CN105544815A - Cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure - Google Patents
Cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure Download PDFInfo
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- CN105544815A CN105544815A CN201610084725.2A CN201610084725A CN105544815A CN 105544815 A CN105544815 A CN 105544815A CN 201610084725 A CN201610084725 A CN 201610084725A CN 105544815 A CN105544815 A CN 105544815A
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
- E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention relates to a cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure. The cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure comprises prefabricated outer wall composite heat preservation formwork monomers; the prefabricated outer wall composite heat preservation formwork monomers are spliced to form a prefabricated integrally-assembled heat preservation outer formwork; the prefabricated integrally-assembled heat preservation outer formwork is fixedly installed on a prefabricated outer wall heat preservation outer formwork frame which is provided with upper transversely-penetrating wall steel bars, a prefabricated outer wall heat preservation outer formwork frame body and opposite-pull bolt assemblies of an inner formwork; the prefabricated outer wall composite heat preservation formwork monomers are provided with first prefabricated connecting parts inserted into the wall steel bars. Compared with the prior art, the cast-in-situ prefabricated non-dismantling integrally-assembled heat preservation outer formwork assembling structure has the advantages that integral prefabricating and hoisting are adopted, and therefore secondary construction of a heat preservation layer is omitted; the heat preservation layer and the main structure are formed integrally and are same in life, and the durability of the heat preservation layer is improved; the heat preservation performance of a building wall can be improved, and the construction quality is improved; by adopting the system, construction of outer formworks and outer scaffolds can be omitted, and the construction efficiency is improved.
Description
Technical field
The invention belongs to external wall technical field, particularly relate to and a kind of cast-in-placely build prefabricated exempting from and dismantle overall assembling insulation exterior sheathing assembly structure.
Background technology
The compulsory execution of building energy-saving standard and city management are to the strict management and control of building waste and construction noise.
Traditional shear wall construction is after reinforcing bar Peng has pricked, workman installs outer, interior masterplate and support system respectively on scaffolding platform and floor, inner and outer template is at inner support (being generally fixed on reinforcing cage with wall thickness equal length reinforcing bar) and split bolt or under the acting in conjunction of drawing band iron, form concrete placings cavity, after concrete reaches strength of mould stripping, remove masterplate and support.
At present, in order to reach power conservation requirement, newly-built concrete shear wall external wall all needs the structure of insulation layer, the scheme that prior art solves the problem of insulation mainly contains two kinds, one is be placed on inside exterior sheathing with the adiabator plate with gauze wire cloth, be combined with concrete wall by plugging wire during concrete placings, after form removal, plaster, make decoration of exterior wall; Two is that concrete main body is first constructed, after paste warming plate, screening, nailing reinforce after, do wall decoration.These two kinds of schemes all need again scaffolding or suspension bracket, plaster, the wet trade such as coating, there is high-altitude application and disaster hidden-trouble, the quality accident that insulation layer comes off also once occurred.There is reality that is long in time limit, that have high input.
A kind of precast facade formwork structure system and the construction method thereof with heat insulation function are disclosed in prior art, number of patent application: 201510436301.3; Precast concrete outer wall template is proposed, namely precast concrete outer wall template is comprised, the inner side of precast concrete outer wall template is fixed with insulation layer, cast-in-place shear wall has been built in the inner side of insulation layer, reach after desirable strength until concrete and remove inner formword, form cast-in-place shear wall, form the external wall system containing precast concrete outer wall template, insulation layer, cast-in-place shear wall.But the intensity depending merely on precast concrete outer wall template and insulation layer when implementing cannot bear at all concreting deadweight and when vibrating to the lateral pressure of template, only rely on split bolt to be inadequate, be easy to cause the problems such as swollen mould; Build in time in addition shaping after, to durability, fastness test, insulation layer bears deadweight and the weight of precast concrete outer wall template at all, and then causes and come off; Its main cause is that insulation layer and walls concrete are directly built shaping, and first insulation layer mutability under comparatively hightension effect, causes and occur hollowing with walls concrete bonding place; Two kinds of material insulation layers and concrete bonding are not fitted, and its adhesion stress is also relatively poor, does not reach the object of expection at all, so implement this technology cannot practice and extension, equally, also there is this problem in precast concrete outer wall template and insulation layer junction.
Summary of the invention
The present invention provides a kind of heat-insulating property durability that increases for solving in known technology the technical problem that exists, reduce construction cost, reduction of erection time, save the construction of insulation layer secondary, construction wall heat-insulating property can be improved, improve build guality, meet National Fire design specifications, permanent cast-in-place the building of the self-heat conserving better contributed for energy-saving and emission-reduction is prefabricatedly exempted to dismantle overall assembling and is incubated exterior sheathing assembly structure.
The technical scheme that the present invention takes for the technical problem existed in solution known technology is:
A kind of cast-in-placely build prefabricated exempting from and dismantle overall assembling insulation exterior sheathing assembly structure, it is characterized in that: comprise precast facade compound heat preservation die plate monomer; Precast monolithic assembling insulation exterior sheathing is formed after the splicing of precast facade compound heat preservation die plate monomer;
Described precast monolithic assembling insulation exterior sheathing is fixedly mounted on the outer mould bases of precast facade insulation, and the erection of described precast facade insulation external mold has upper transverse direction to run through the split bolt assembly of wall steel bar, the precast facade outer mould bases of insulation and inner formword; Described precast facade compound heat preservation die plate monomer is provided with the first prefabricated connector be inserted in wall steel bar.
The present invention can also adopt following technical measures:
Described first prefabricated connector comprises shear connector and/or is fixedly mounted with connector, and described shear connector is arranged between adjacent precast facade compound heat preservation die plate monomer splicing seams; The described connector that is fixedly mounted with runs through whole precast facade compound heat preservation die plate monomer from the lateral surface of precast facade compound heat preservation die plate monomer, and stretches out precast facade compound heat preservation die plate monomer medial surface.
The outer mould bases of described precast facade insulation comprises the external mould frame surrounded by top rail, lower transverse beam, left vertical beam and right vertical beam; Described external mould frame is also provided with mast-up; The medial surface top rail of described external mould frame, lower transverse beam, left vertical beam and right vertical beam are positioned on same datum; In external mould frame, the medial surface of described top rail, lower transverse beam is provided with the first link be connected with precast facade compound heat preservation die plate monomer; The lateral surface of described external mould frame is connected with outer support frame; One group of pretension crossbeam is at least provided with along between the left vertical beam of short transverse and right vertical beam at the lateral surface of external mould frame; The split bolt assembly be connected with inner formword is installed in described pretension crossbeam; Several heat insulation formwork brace summer is interval with between top rail and lower transverse beam in external mould frame; The medial surface of several heat insulation formwork brace summer is all positioned on same datum with top rail, lower transverse beam, left vertical beam and right vertical beam; The side of each heat insulation formwork brace summer or both sides are provided with along the short transverse of heat insulation formwork brace summer the second link be connected with precast facade compound heat preservation die plate monomer; Described second link is installed detachable second prefabricated connector; In external mould frame, the side of described top rail, lower transverse beam is provided with the connection elongated hole connecting the outer mould bases of contiguous prefabricated exterior-wall heat insulation.
Described outer support frame is provided with the outer mould bases verticality adjusting device of precast facade insulation; Described adjusting device comprises base for supporting, and described base for supporting is movably installed with adjusting screw, and described adjusting screw is fitted with swivel nut, and described swivel nut is fixedly mounted on outer support frame.
The advantage that the present invention has and good effect are: because the present invention adopts above-mentioned technology, have the following advantages:
1, insulation layer is combined with precast facade compound heat preservation die plate, save the construction of insulation layer secondary, construction wall heat-insulating property can be improved, improve build guality, meet national exterior wall fireproof code requirement, body of wall and Surgery therapy simultaneous construction can be realized simultaneously, and then better for energy-saving and emission-reduction contribute.
2, precast monolithic assembling warming plate adopts composite construction, and namely insulation layer is arranged on the inner side of cement-based mortar outer coversheet, avoids exposing to the weather, and adds the durability of insulation layer.
3, inner formword is set up in the inner side that precast monolithic assembling insulation exterior sheathing is corresponding, again coupling assembling is assembled through inner formword and precast monolithic and be incubated exterior sheathing and be incubated outer mould bases with precast facade and be fixedly connected with, building exterior sheathing and external scaffolding can be saved, improve efficiency of construction, reduce costs, the reduction of erection time.
4, adopt the outer mould bases of precast facade insulation, support powerful concrete deadweight, while can resist produced lateral force of vibrating when building; Solving the problem of prior art exterior sheathing bearing capacity difference, there is the problem of hollowing in the junction of causing because of insulation layer distortion.
5, the connection with concrete wall is improved at precast concrete outer wall template at the connector preset, overcome the shearing force of heat-insulation plate for external deadweight, improve fastness, extend the durability of insulation layer, fundamentally solve exterior wall heat-preserving system and there is cracking, play the quality problems such as drum comes off;
6, the present invention can realize factory normalization production and processing, solves the quality uncontrollability brought of execute-in-place in construction process;
7, the present invention realizes insulation and building same life-span substantially.
In sum, this practicality provides a kind of self-heat conserving, permanent cast-in-place building prefabricatedly exempt to dismantle overall assembling insulation exterior sheathing assembly structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 3;
Fig. 3 is the right view of Fig. 3;
Fig. 4 is the left parallax stereogram of Fig. 3;
Fig. 5 is the right parallax stereogram of Fig. 3;
Fig. 6 is the structural representation of Construction State of the present invention;
Fig. 7 is shaping rear shear wall structure schematic diagram;
Fig. 8 and Fig. 8 a is precast facade compound heat preservation die plate monomer structure schematic diagram;
Fig. 9 is fixedly mounted with connecting-piece structure schematic diagram;
Figure 10 is the first pretension gland structure schematic diagram in Fig. 9;
Figure 11 is the second prefabricated connecting-piece structure schematic diagram;
Figure 12 is the second pre-gland body construction schematic diagram in Figure 11;
Figure 13 is the second prefabricated connector and the first link or the second link syndeton schematic diagram;
Figure 14 is shear connector structural representation;
Figure 15 is A-A sectional view in Figure 14;
Figure 16 is the outer die carrier structure schematic diagram of precast facade insulation with one-sided external corner;
Figure 17 is the outer die carrier structure schematic diagram of precast facade insulation with bilateral external corner;
Figure 18 is with the outer die carrier structure schematic diagram of one-sided inner corner trim precast facade insulation;
Figure 19 is with the outer die carrier structure schematic diagram of jack to jack adapter angle precast facade insulation;
Figure 20 is with fire barrier precast monolithic assembling insulation exterior sheathing splicing structure schematic diagram.
In figure: 100, inner formword;
200, precast monolithic assembling insulation exterior sheathing; 210, precast facade compound heat preservation die plate monomer; 211, pregroove marks; 212, the first pretension groove; 213, the second pretension groove; 214, cement-based mortar outer coversheet; 215, vitrification micropearl morttar transition zone; 216, binding sand pulp layer; 217, phenol formaldehyde foam insulation layer; 218, rock wool heat-preservation layer; 219, cement-based mortar internal surface layer; 220, glass screen cloth or zinc-plated weldering net; 230, latticed reinforcing rib;
300, shear wall;
400, wall steel bar;
500, the outer mould bases of precast facade insulation; 501, top rail; 501-1, connection elongated hole; 502, lower transverse beam; 503, left vertical beam; 504, right vertical beam; 505, mast-up; 506, the first link; 507, outer support frame; 508, pretension crossbeam; 509, heat insulation formwork brace summer; 510, the second link; 511, the second prefabricated connector; 5110, the second pre-gland; 5110-1, the second pre-gland body; 5110-2, mounting hole; 5111, the second pretension bolt; 5111-1, the second nut; 5111-2, the second screw rod; 5112, the 3rd pre-load nut; 512, adjusting device; 5120, base for supporting; 5121, adjusting screw; 5122, swivel nut;
600, split bolt assembly;
710, shear connector; 711, shear resisting board; 712, horizontal plate; 713, Y type anchoring termination; 720, connector is fixedly mounted with; 721, the first pretension bolt; 7210, the first nut; 7211, groove is screwed; 7212, the first screw rod; 722, the first pre-gland; 7220, the first pre-gland body; 7221, mounting hole; 723, the first locking nut; 724, the second locking nut;
Detailed description of the invention
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 7, a kind of cast-in-placely build prefabricated exempting from and dismantle overall assembling insulation exterior sheathing assembly structure, comprise precast facade compound heat preservation die plate monomer 210, precast monolithic assembling insulation exterior sheathing 200 is formed after the splicing of precast facade compound heat preservation die plate monomer, described precast monolithic assembling insulation exterior sheathing 200 is fixedly mounted on the outer mould bases 500 of precast facade insulation, the outer mould bases 500 of described precast facade insulation and the precast monolithic assembling be arranged on the outer mould bases of precast facade insulation are incubated exterior sheathing integral hoisting in the outside of wall steel bar 400, and it is corresponding with the inner formword inside wall steel bar, and be provided with in wall steel bar and laterally run through wall steel bar 400, the split bolt assembly 600 of the precast facade outer mould bases 500 of insulation and inner formword 100, described precast facade compound heat preservation die plate monomer 201 is provided with the first prefabricated connector be inserted in wall steel bar, and described first prefabricated connector is now cast in shear wall 300.
When practice of construction, form the cast-in-place inner chamber building shear wall between precast monolithic assembling insulation exterior sheathing 200 and inner formword 100, in inner chamber, be banded with wall steel bar 400; The inner side of described precast monolithic assembling insulation exterior sheathing is cast-in-place shear wall 300, and described cast-in-place shear wall 300 assembles with precast monolithic the inner formword 100 being incubated exterior sheathing 200 and install inside it to form for supporting cast in situs;
In said structure, described first prefabricated connector comprises shear connector 710 and/or is fixedly mounted with connector 720, and described shear connector 710 is arranged between adjacent precast facade compound heat preservation die plate monomer 210 splicing seams; The described connector 720 that is fixedly mounted with runs through whole precast facade compound heat preservation die plate monomer 210 from the lateral surface of precast facade compound heat preservation die plate monomer 210, and stretches out precast facade compound heat preservation die plate monomer 210 medial surface.
Refer to Figure 14 and Figure 15, described shear connector 710 mainly comprises shear resisting board 711, one end symmetry of described shear resisting board is bent with horizontal plate 712, and described plate is inserted in the pregroove marks 211 offered contiguous prefabricated exterior wall composite thermal insulation template monomer 210 side respectively; The other end of described shear resisting board is provided with Y type anchoring termination 713, described Y type anchoring termination and shear wall 300 one cast-in-place build together with.
Refer to Fig. 9 and Figure 10, the described connector 720 that is fixedly mounted with mainly comprises the first pretension bolt 721, described first pretension bolt 721 is set with the first pre-gland 722, described first pre-gland 722 spiral-lock in the first pretension groove 212, described first pretension bolt 721 is equipped with the first locking nut 723 and the second locking nut 724 on precast facade compound heat preservation die plate monomer 210 lateral surface; Wherein the first pretension bolt 721 and the first pre-gland 722 are fastened on precast facade compound heat preservation die plate monomer 210 by the first locking nut 723; Described second locking nut 724 be positioned at the first pretension bolt 721 outer end insert shear wall, with shear wall is cast-in-place build together with.The first above-mentioned pretension bolt and the first pre-gland 722 also can adopt integrative-structure.
First pretension bolt 721 comprises the first nut 7210 and the first screw rod 7212, and described first nut outer face is provided with and screws groove 7211, and the inner face of the first nut is pyramidal structure; Described first pre-gland 722 comprises the first pre-gland body 7220 and installs the mounting hole 7221 of the first pretension bolt, and described mounting hole is the taper hole matched with the pyramidal structure of the first nut inner face; After described first pretension bolt 721 and the first pre-gland 722 and the first locking nut 723 pretension, ensure the outer face of the first pre-gland 722, the outer face of the first nut 7210 and precast facade compound heat preservation die plate monomer 210 lateral surface in the same plane, thus ensure that the external surface of precast monolithic assembling insulation exterior sheathing is more smooth, be convenient to the decoration construction of exterior wall.
Refer to Fig. 3 to Fig. 7, the outer mould bases 500 of described precast facade insulation comprises the external mould frame surrounded by top rail 501, lower transverse beam 502, left vertical beam 503 and right vertical beam 504; Described external mould frame is also provided with mast-up 505; The medial surface top rail of described external mould frame, lower transverse beam, left vertical beam and right vertical beam are positioned on same datum, ensure that the external surface of precast facade compound heat preservation die plate monomer after prefabricated laying precast facade compound heat preservation die plate monomer is in same level, is convenient to later stage decoration construction; In external mould frame, the medial surface of described top rail 501, lower transverse beam 502 is provided with the first link 506 be connected with precast facade compound heat preservation die plate monomer 210, described first link makes L-type structure, is convenient to weld together with the medial surface of top rail 501, lower transverse beam 502; The lateral surface of described external mould frame is connected with outer support frame 507; One group of pretension crossbeam 508 is at least provided with along between the left vertical beam of short transverse and right vertical beam at the lateral surface of external mould frame; The split bolt assembly 600 be connected with inner formword is installed in described pretension crossbeam, the object of split bolt assembly 600 is the outer mould bases 500 of precast facade insulation, precast facade compound heat preservation die plate 200 is connected as a whole with inner formword 100, ensures, when building, not fall apart.
Several heat insulation formwork brace summer 509 is interval with between top rail 501 and lower transverse beam 502 in external mould frame; The medial surface of several heat insulation formwork brace summer is all positioned on same datum with top rail 501, lower transverse beam 502, left vertical beam 503 and right vertical beam 504; The side of each heat insulation formwork brace summer 509 or both sides are provided with along the short transverse of heat insulation formwork brace summer the second link 510 be connected with precast facade compound heat preservation die plate monomer, and in order to simplify making, described second link 510 also makes L-type structure; Described second link 510 is installed detachable second prefabricated connector 511; Refer to Figure 11 to Figure 13; Described second prefabricated connector 511 comprises the second pre-gland 5110 and the second pretension bolt 5111, in the second pretension groove 213 of the described second pre-gland 5110 spiral-lock inside precast facade compound heat preservation die plate monomer 210, second pretension bolt 5111 stretches out from the inner side of precast facade compound heat preservation die plate monomer 210 and passes the first link 506 and the second link 510, equipped detachable 3rd pre-load nut 5112 on lateral surface second pretension bolt 5111 of the first link 506 and the second link 510; The second above-mentioned pretension bolt 5111 comprises the second nut 5111-1 and the second screw rod 5111-2, and described second nut 51110 outer face is provided with and screws groove 5111-3, and the inner face of the second nut is pyramidal structure; Described second pre-gland 5110 comprises the second pre-gland body 5110-1 and installs the mounting hole 5110-2 of the second pretension bolt 5111, and described mounting hole 5110-2 is the taper hole matched with the pyramidal structure of the second nut 5111-1 inner face; After described second pretension bolt 5111 and the second pre-gland 5110 and the 3rd locking nut 5112 pretension, ensure the outer face of the second pre-gland 5110, the outer face of the second nut 5111-1 and precast facade compound heat preservation die plate monomer 210 lateral surface in the same plane; In external mould frame, the side of described top rail 501, lower transverse beam 502 is provided with the connection elongated hole 501-1 connecting the outer mould bases of contiguous prefabricated exterior-wall heat insulation.Second pre-gland 5110 of the above-mentioned second prefabricated connector 511 and the second pretension bolt 5111 also can adopt integrative-structure.
According to the architectural design of reality, the outer mould bases of described precast facade insulation can also be integrally formed with external corner framework (as Figure 16 and Figure 17) or inner corner trim framework (as Figure 18), also can have two inner corner trim frameworks (as Figure 19).
Described outer support frame 507 is provided with the outer mould bases verticality adjusting device 512 of precast facade insulation; Described adjusting device 512 comprises base for supporting 5120, described base for supporting 5120 is movably installed with adjusting screw 5121, described adjusting screw is fitted with swivel nut 5122, and described swivel nut 5122 is fixedly mounted on outer support frame 507.
Precast facade compound heat preservation die plate monomer 210 preferably adopts following structure, refer to Fig. 8 and Fig. 8 a, namely from comprising cement-based mortar outer coversheet 214, vitrification micropearl morttar transition zone 215, binding sand pulp layer 216, phenol formaldehyde foam insulation layer 217 or rock wool heat-preservation layer 218 and cement-based mortar internal surface layer 219 successively outside to inside, wherein glass screen cloth or zinc-plated weldering net 220 is equipped with in cement-based mortar outer coversheet, binding sand pulp layer and cement-based mortar internal surface layer; Latticed reinforcing rib 230 is provided with between binding sand pulp layer and phenol formaldehyde foam insulation layer or rock wool heat-preservation layer.
Build Surgery therapy designing requirement according to reality, increase fire barrier in precast monolithic assembling insulation exterior sheathing system, the material selection rock wool heat-preservation layer of the insulation layer of the precast facade compound heat preservation die plate monomer of described formation fire barrier, as Figure 20.
Precast facade template monomer adopts above-mentioned composite construction, has the following advantages: 1, design and construction technology is simple, is easy to large scale application.The load-carrying members form of cast-in-situ concrete framework (frame is cut) structure is constant, and current standard specifications design still pressed by beam column and shear wall, design standard and software for calculation complete, construction technology is ripe, is easy to large scale application.
2, reach integrated technique requirement, achieve building heat preservation and the body of wall object with the life-span.Together with permanent composite thermal-insulating exterior formwork is cast in the cast-in-situ concrete member such as beam column and shear wall of framework (frame is cut) structure, and firmly connected (tensile bearing capacity >=0.5Mpa) by connector, reach Synchronization Design, synchronous construction, the synchronous technical requirements checked and accepted, achieve building heat preservation and the body of wall object with the life-span.
3, adopt multi-layer structure design pattern, there is higher intensity and good heat-insulating property.Permanent composite thermal-insulating exterior formwork is made up of rock-wool heat insulation plate, inside and outside bonding enhancement layer and insulation transition zone etc., and have higher mechanical strength, directly can do exterior sheathing uses, and thermal and insulating performance is good, meets the standard-required of building energy conservation 65%.
4, adopt this structure fire technical method, there is good fireproof performance.Inside and outside insulation layer, main facade is coated by cement polymer mortar topping; effectively can avoid the generation of fire phenomena in work progress, after construction work is completed, outside insulation layer, cement mortar protective course reaches more than 30mm; fireproof performance improves greatly, meets the demand of security against fire.
5, novelty be provided with insulation transition zone, avoid the common quality defect problems such as float coat hollowing, cracking.In permanent composite thermal-insulating exterior formwork structural shape design, be provided with insulation transition zone, alleviate the strain that heat insulation formwork produces because of environmental change, avoid the common quality defect problems such as float coat hollowing, cracking.
6, adopt through engineering approaches preformed patterns, guarantee product engineering quality.Permanent composite thermal-insulating exterior formwork all adopts batch production prefabricated, in use, without fraud opportunity, to stop to use inferior materials and turn out substandard goods the generation of phenomenon, in concrete placement, on-site verification is carried out to the product quality of permanent composite thermal-insulating exterior formwork, effectively prevent counterfeit and shoddy goods for construction work.
7, integrated composite thermal-insulating exterior formwork adopts multi-layer structure design, is provided with interior outboard bonds enhancement layer, improves the mechanical properties such as the anti-folding of heat insulation formwork, resistance to compression, shock resistance, reach the requirement of cast in place concrete form operation technique, decrease template consumption.
8, heat insulation core material adopts high-performance pnenolic aldehyde foam heat-insulating board, and coefficient of thermal conductivity is less than 0.024W/m.K, is far superior to the 0.032W/m.K of mainstay material in the market, and due to this material be thermosetting heat insulating material, taken into account fireproof performance excellent.Heat insulation core material adopts rock-wool heat insulation plate, and this material is the inorganic material that existing market insulation is best, guarantees that the fire line of total system can be up to state standards the A level fire-protection rating of regulation completely.
The present invention also carry a kind of with concrete one cast-in-place build prefabricated exempt to dismantle overallly assemble the construction method being incubated exterior sheathing assembly structure, comprise the following steps:
(1), prefabricated inner formword 100, precast facade compound heat preservation die plate monomer 210, precast facade insulation outer mould bases 500;
(2), precast facade compound heat preservation die plate monomer installed the shear connector 710 of the first prefabricated connector and be fixedly mounted with connector 720, with the second prefabricated connector 511, and be assembled in the outer mould bases of precast facade insulation formed and be incubated outer mould bases precast monolithic integrally with precast facade and assemble and be incubated exterior sheathing 200;
(3), in precast monolithic assembling the cast-in-place wall steel bar 400 building shear wall of colligation inside exterior sheathing is incubated,
(4), by outer mould bases 500 hoisted in position of precast facade insulation, and support fixing, install inner formword 100 in the inner side of wall steel bar, inner formword installs employing prior art, does not repeat at this; Again outer for precast facade insulation mould bases 400 is passed through the pre-stressed joint of split bolt assembly with inner formword 100; Described split bolt assembly adopts prior art, described split bolt assembly comprises the wall bushing running through wall steel bar, the precast facade outer mould bases of insulation and inner formword, be installed on the pretension bolt in wall bushing, inner formword is stretched out in one end of described pretension bolt, the other end of pretension bolt stretches out the pretension crossbeam on adventitia frame, is fitted with pre-load nut respectively at the two ends of pretension bolt; Adjustment precast monolithic assembling insulation exterior sheathing is fixedly mounted with the second locking nut 724 of connector; Then the verticality adjusting device 512 outside the outer mould bases of precast facade insulation is adjusted, the verticality of the outer mould bases of adjustment precast facade insulation, after adjustment is vertical, being incubated outer mould bases according to adjustment precast facade is that benchmark adjusts split bolt assembly again, makes precast facade be incubated the pre-stressed joint parallel with inner formword of outer mould bases;
(5), concreting in the wall steel bar be incubated between exterior sheathing is assembled to inner formword and precast monolithic;
(6), until concrete reach after desirable strength and remove inner formword and the outer mould bases of precast facade insulation, form cast-in-place shear wall, form the external wall system containing precast monolithic assembling insulation exterior sheathing, cast-in-place shear wall.
The present invention has the following advantages in sum:
1, insulation layer is combined with assembled template component, save the construction of insulation layer secondary, construction wall heat-insulating property can be improved, improve build guality, meet national exterior wall fireproof code requirement, body of wall and Surgery therapy simultaneous construction can be realized simultaneously, and then better for energy-saving and emission-reduction contribute.
2, precast monolithic assembling warming plate adopts composite construction, and namely insulation layer is arranged on the inner side of cement-based mortar outer coversheet, avoids exposing to the weather, and adds the durability of insulation layer.
3, inner formword is set up in the inner side that precast monolithic assembling insulation exterior sheathing is corresponding, again coupling assembling is assembled through inner formword and precast monolithic and be incubated exterior sheathing and be incubated outer mould bases with precast facade and be fixedly connected with, building exterior sheathing and external scaffolding can be saved, improve efficiency of construction, reduce costs, the reduction of erection time.
4, adopt the outer mould bases of precast facade insulation, support powerful concrete deadweight, while can resist produced lateral force of vibrating when building; Solving the problem of prior art exterior sheathing bearing capacity difference, there is the problem of hollowing in the junction of causing because of insulation layer distortion.
5, the connection with concrete wall is improved at precast concrete outer wall template at the connector preset, overcome the shearing force of heat-insulation plate for external deadweight, improve fastness, extend the durability of insulation layer, fundamentally solve exterior wall heat-preserving system and there is cracking, play the quality problems such as drum comes off;
6, the present invention can realize factory normalization production and processing, solves the quality uncontrollability brought of execute-in-place in construction process;
7, the present invention realizes insulation and building same life-span substantially.
In sum, the present invention increases heat-insulating property durability, reduces construction cost, reduction of erection time, saves the construction of insulation layer secondary, can improve construction wall heat-insulating property, improve build guality, meet National Fire design specifications, can reach fire prevention A grade standard.
The above is only to preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solution of the present invention.
Claims (4)
1. cast-in-place building prefabricatedly exempts to dismantle an overall assembling insulation exterior sheathing assembly structure, it is characterized in that: comprise precast facade compound heat preservation die plate monomer; Precast monolithic assembling insulation exterior sheathing is formed after the splicing of precast facade compound heat preservation die plate monomer;
Described precast monolithic assembling insulation exterior sheathing is fixedly mounted on the outer mould bases of precast facade insulation, and the erection of described precast facade insulation external mold has upper transverse direction to run through the split bolt assembly of wall steel bar, the precast facade outer mould bases of insulation and inner formword; Described precast facade compound heat preservation die plate monomer is provided with the first prefabricated connector be inserted in wall steel bar.
2. cast-in-place building according to claim 1 prefabricatedly exempts to dismantle overall assembling insulation exterior sheathing assembly structure, it is characterized in that: described first prefabricated connector comprises shear connector and/or is fixedly mounted with connector, described shear connector is arranged between adjacent precast facade compound heat preservation die plate monomer splicing seams; The described connector that is fixedly mounted with runs through whole precast facade compound heat preservation die plate monomer from the lateral surface of precast facade compound heat preservation die plate monomer, and stretches out precast facade compound heat preservation die plate monomer medial surface, and inserts in shear wall.
3. cast-in-place building according to claim 1 prefabricatedly exempts to dismantle overall assembling insulation exterior sheathing assembly structure, it is characterized in that: the outer mould bases of described precast facade insulation comprises the external mould frame surrounded by top rail, lower transverse beam, left vertical beam and right vertical beam; Described external mould frame is also provided with mast-up;
The medial surface top rail of described external mould frame, lower transverse beam, left vertical beam and right vertical beam are positioned on same datum;
In external mould frame, the medial surface of described top rail, lower transverse beam is provided with the first link be connected with precast facade compound heat preservation die plate monomer;
The lateral surface of described external mould frame is connected with outer support frame;
One group of pretension crossbeam is at least provided with along between the left vertical beam of short transverse and right vertical beam at the lateral surface of external mould frame; The split bolt assembly be connected with inner formword is installed in described pretension crossbeam;
Several heat insulation formwork brace summer is interval with between top rail and lower transverse beam in external mould frame; The medial surface of several heat insulation formwork brace summer is all positioned on same datum with top rail, lower transverse beam, left vertical beam and right vertical beam; The side of each heat insulation formwork brace summer or both sides are provided with along the short transverse of heat insulation formwork brace summer the second link be connected with precast facade compound heat preservation die plate monomer; Described second link is installed detachable second prefabricated connector;
In external mould frame, the side of described top rail, lower transverse beam is provided with the connection elongated hole connecting the outer mould bases of contiguous prefabricated exterior-wall heat insulation.
4. described according to claims 1 to 3 is arbitrary cast-in-placely builds prefabricated exempting from and dismantle overall assembling insulation exterior sheathing assembly structure, it is characterized in that: described outer support frame is provided with the outer mould bases verticality adjusting device of precast facade insulation; Described adjusting device comprises base for supporting, and described base for supporting is movably installed with adjusting screw, and described adjusting screw is fitted with swivel nut, and described swivel nut is fixedly mounted on outer support frame.
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| CN201610084725.2A CN105544815B (en) | 2016-02-07 | 2016-02-07 | One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition |
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| CN201610084725.2A CN105544815B (en) | 2016-02-07 | 2016-02-07 | One kind is cast-in-place to build prefabricated whole assembly heat preservation exterior sheathing assembling structure free of demolition |
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| CN105544815B (en) | 2019-09-03 |
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