CN211774963U - Hollow superstructure that light mandrel combination was filled - Google Patents
Hollow superstructure that light mandrel combination was filled Download PDFInfo
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- CN211774963U CN211774963U CN202020106666.6U CN202020106666U CN211774963U CN 211774963 U CN211774963 U CN 211774963U CN 202020106666 U CN202020106666 U CN 202020106666U CN 211774963 U CN211774963 U CN 211774963U
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Abstract
The utility model discloses a hollow floor system filled with light core mold combination, which comprises an upper flange plate, a lower flange plate, a gap rib beam, a strip-shaped core mold, a structural column and a plurality of frame beams connected with the structural columns, wherein a plurality of filling core molds are distributed at intervals in a region surrounded by the plurality of frame beams, and dense rib beams are formed among the plurality of filling core molds; the filling core mold consists of two strip-shaped or four square core molds, and a gap rib beam is arranged between every two adjacent core molds; the utility model combines two strip-shaped core moulds into a larger square core mould, thereby solving the problems of the prior art that the hollow floor system cast by the larger square core mould has the reinforcing steel bars exposed on the bottom surface, and the phenomena of honeycomb holes, cracking, water seepage and the like; the problems that rib arrangement of the ribbed hidden beam is too dense, and reinforcing steel bars and labor are wasted due to the fact that a small square core mold is used in the prior art are also solved.
Description
Technical Field
The utility model relates to a hollow superstructure structure of cast in situ concrete, more specifically relate to a hollow superstructure that light mandrel combination was filled.
Background
In the field of construction, as large-span concrete structures are increasing day by day, more and more floors adopt the hollow floor structure technology. The use of lightweight filling materials to replace part of the concrete does not substantially affect the stress performance of the structure, but can greatly reduce the dead weight of the structure. According to the current technical regulation of cast-in-place concrete hollow floor systems JGJ/T268-2012, the filling material is divided into three structural types, namely a hollow slab with a built-in filling body, a hollow slab with a single-side exposed filling body and a hollow slab with a double-side exposed filling body, according to different filling modes of the filling material. The double-side exposed filling body hollow slab is limited in use because the concrete rib beam does not contain any flange and the rigidity of the floor slab is small. The hollow slab with the built-in filler comprises an upper flange and a lower flange, the equivalent mechanical section of the hollow slab is an I-shaped section, the hollow slab with the filler exposed on one side only comprises the upper flange, and the equivalent mechanical section of the hollow slab is a T-shaped section. When the thickness of the floor slab is the same, the rigidity of the floor slab with the I-shaped section is about twice of that of the floor slab with the T-shaped section, so that the hollow slab with the I-shaped section has the best mechanical property.
At present, in the technical field of cast-in-place steel disc concrete hollow floor systems, square core moulds with various specifications are usually adopted and placed on reinforcing steel bars on the surface of a template bottom plate laid by the hollow floor system or in dense reinforcing beam grids, integral or single body anti-floating is made, upper gluten is laid and bound, concrete is poured to form the hollow floor system, but after the template of the existing hollow floor system is removed, the phenomena of steel bar exposure on the bottom surface of the concrete floor system, honeycomb holes, cracking, water seepage and the like generally exist, so that serious construction quality hidden dangers exist in the hollow floor system, the main reason in the aspect is that the hollow floor system filling core mould is the square core mould, the middle position of the square core mould cannot flow when concrete is poured and vibrated, the bottom surface of the concrete floor system is not compact, and engineering.
Disclosure of Invention
The utility model aims to provide a: the hollow floor system filled with the light core mold combination is characterized in that a square core mold is formed by two strip-shaped core molds which are arranged at intervals, so that the flowability of concrete is effectively ensured, the compactness of concrete of a lower flange plate is promoted, and the problem is avoided.
The utility model adopts the technical scheme as follows: a hollow floor system filled by combining a light core mold comprises an upper flange plate, a lower flange plate, a gap rib beam, a strip-shaped core mold, a structural column and a plurality of frame beams connected with the structural column, wherein a plurality of filling core molds are distributed at intervals in a region defined by the plurality of frame beams, and dense rib beams are formed among the plurality of filling core molds; the filling core mold consists of two strip-shaped or four square core molds, and a gap rib beam is arranged between every two adjacent core molds.
The utility model discloses a theory of operation does: firstly, laying the steel bars of the multi-ribbed beam on a template according to the design requirements of a drawing, then combining the steel bars of the lower flange with the steel bars of the multi-ribbed beam to form a grid, arranging two strip-shaped core moulds into a square core mould at intervals, fixing the square core mould by using a connecting buckle, installing an anti-floating combined component (namely, according to the design height of the core mould, processing the thickness of the lower flange plate by using cold binding wires to manufacture self-drilling screw rods with different lengths, sleeving a screw cap on the self-drilling screw rods, penetrating an anti-floating metal gasket on the self-tapping metal gasket from a light core mould 1, sleeving a self-tapping screw on the screw cap by using an electric drill, drilling the self-tapping screw into the template and fixing the template on the template, effectively ensuring the thickness of the lower flange plate), then placing the multi-ribbed beam steel bars of an upper flange plate and the multi-ribbed beam grid of the lower flange plate between the upper flange plate and laying the steel bars of the upper, And arranging rectangular stirrups around the square core mold to connect the upper and lower flange reinforcements, pouring concrete after the single body and the whole body of the core mold are subjected to anti-floating, and compacting the upper flange plate, the lower flange plate and the dense rib beams under the action of a vibrating rod to form the I-shaped hollow floor.
Firstly, laying metal wires on a template, laying lower flange steel bars according to the design requirements of a drawing, arranging two strip-shaped core moulds into a square core mould at intervals side by side, fixing the square core mould by using a connecting buckle, mounting an anti-floating combined component, then placing the square core mould between the dense rib beam steel bars of an upper flange plate and the metal wires of a lower flange plate, laying the upper flange plate steel bars to form an integral floor slab steel bar structure, then arranging tie bars in a gap between the two strip-shaped core moulds to connect the upper flange steel bars and the lower flange steel bars, then arranging rectangular hoop bars around the square core mould to connect the upper flange steel bars and the lower flange steel bars, pouring concrete after the single anti-floating and the integral anti-floating of the core moulds are completed, and compacting the upper flange plate, the lower flange plate and the dense rib beam through the action of a vibrating.
Furthermore, the filling core mold is a square core mold formed by arranging two strip-shaped core molds at intervals or a square core mold formed by arranging four square core molds at intervals, a square with the length of about 1 square meter is formed by the two strip-shaped or four square core molds, the interval is arranged in the middle, so that concrete can flow into the bottom, the interval rib beams are formed, the effect of a stable structure is achieved, and the dense rib beams are reduced due to the larger square core mold, so that the reduced steel bars and labor force can meet the design requirement.
Furthermore, an upper grid reinforcing steel bar formed by laying ribbed beam reinforcing steel bars and upper flange reinforcing steel bars is arranged in the upper flange plate; the filling core mould is provided with ribs, so that the structure is more stable.
Furthermore, lower grid reinforcing steel bars formed by laying ribbed beam reinforcing steel bars and lower flange reinforcing steel bars are arranged in the lower flange plate; the filling core mould is arranged with ribs, and the H-shaped floor is cast in situ, so that the structure is more stable.
Furthermore, lower grid reinforcing steel bars formed by laying metal wires and lower flange reinforcing steel bars are arranged in the lower flange plate; the metal wire is one or more of iron wire, steel bar net wire and cold binding wire; and ribs are distributed under the filling core mold, and the T-shaped floor is cast in situ to meet the design requirement.
Furthermore, rectangular stirrups are arranged in the multi-ribbed beam and are used for connecting the upper flange steel bars and the lower flange steel bars; the structure is more stable.
Furthermore, a lacing wire is arranged in the gap rib beam and is used for connecting the upper flange steel bar and the lower flange steel bar; the structure is more stable.
Further, the section of the core mold is quadrilateral, circular, polygonal or elliptical; suitable for different shapes.
Further, the core mould is made of plastic or foam or metal materials; different materials of the core mold can be selected according to design requirements.
Further, the length of the strip core moulds is equal to the width of the two strip core moulds plus the width of the gap rib beam, and the two adjacent strip core moulds are connected through 2-3 connecting buckles; the distance between the strip-shaped core moulds is uniform, and the structure is stable.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model combines two strip-shaped core moulds into a larger square core mould, thereby solving the problems of the prior art that the hollow floor system cast by the larger square core mould has the reinforcing steel bars exposed on the bottom surface, and the phenomena of honeycomb holes, cracking, water seepage and the like; the phenomenon that reinforcing steel bars and labor are wasted due to the fact that the reinforcing steel bars are distributed too densely because a small square core die is used in the prior art is also solved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic partial cross-sectional view of an I-shaped embodiment of the present invention;
FIG. 3 is another cross-sectional view of a portion of an I-shaped embodiment of the present invention;
FIG. 4 is a schematic partial cross-sectional view of a T-shaped embodiment of the present invention;
FIG. 5 is another cross-sectional view of a portion of a T-shaped embodiment of the present invention;
labeled as: 1-filling core mould, 2-frame beam, 3-structural column, 4-core mould, 5-clearance rib beam, 6-self-drilling screw rod, 7-anti-floating metal gasket, 8-connecting buckle, 11-dense rib beam steel bar, 12-upper flange steel bar, 13-upper flange plate, 14-dense rib beam, 15-tie bar, 16-rectangular hoop bar, 17-lower flange steel bar, 18-lower flange plate, 19-template and 20-metal wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-5, a hollow floor slab filled with a light core mold combination comprises an upper flange plate 13, a lower flange plate 18, a gap rib beam 5, a strip core mold 4, a structural column 3 and a plurality of frame beams 2 connected with the plurality of structural columns 3, wherein a plurality of filling core molds 1 are distributed at intervals in an area defined by the plurality of frame beams 2, and dense rib beams 14 are formed among the plurality of filling core molds 1; the filling core mould 1 consists of two strip-shaped or four square core moulds 4, and a gap rib beam 5 is arranged between every two adjacent core moulds 4.
The utility model discloses a theory of operation does: firstly, the multi-ribbed beam steel bars 11 are laid on a template 19 according to the design requirements of a drawing, then the lower flange steel bars 17 and the multi-ribbed beam steel bars 11 are combined to form grids, two strip core moulds 4 are arranged side by side at intervals to form a square core mould and are fixed by a connecting buckle 8, anti-floating combined components are installed (namely, according to the design height of the core moulds, the thickness of the lower flange plate 18 is processed by cold binding wires to form drill tail screw rods 6 with different lengths, screw cap caps are sleeved on the drill tail screw rods 6 and penetrate through anti-floating metal gaskets 7, then a light composite cement core mould 1 penetrates through self-tapping outer screw nails, the self-tapping screw nails are sleeved on the screw cap by hand electric drills, the drill tail screw nails are drilled into the template 19 and are fixed on the template 19, the thickness of the lower flange plate 18 is effectively ensured), then the multi-ribbed beam steel bars 11 of the upper flange plate 13 and the grids of the multi-ribbed beam steel bars 11 of the lower flange plate 18 are, and then the tie bar 15 is arranged in the gap between the two strip core moulds 4 to connect the upper and lower flange steel bars, the rectangular hoop bar 16 is arranged around the square core mould to connect the upper and lower flange steel bars, after the single body anti-floating and the whole body anti-floating of the core mould are finished, the concrete is poured, the upper flange plate 13, the lower flange plate 18 and the dense rib beam 14 are compacted through the action of the vibrating spear, and the H-shaped hollow floor is formed.
Firstly, laying metal wires 20 on a template 19, laying lower flange steel bars 17 according to the design requirements of a drawing, arranging two strip-shaped core moulds 4 into a square core mould at intervals side by side, fixing the square core mould by using a connecting buckle 8, after an anti-floating combined component is installed, laying the square core mould between the dense rib beam steel bars 11 of an upper flange plate 13 and the metal wires 20 of a lower flange plate 18, laying upper flange steel bars 12 to form an integral floor slab steel bar structure, arranging tie bars 15 in a gap between the two strip-shaped core moulds 4 to connect the upper flange steel bars and the lower flange steel bars, arranging rectangular hoop bars 16 around the square core mould to connect the upper flange steel bars and the lower flange steel bars, pouring concrete after the single body anti-floating and the integral anti-floating of the core mould are finished, and compacting the upper flange plate 13, the lower flange plate 18 and the dense rib beam 14 by the action of a.
Example 2
On the basis of embodiment 1, the filling core mold 1 is a square core mold formed by arranging two strip-shaped core molds 4 at intervals or a square core mold formed by arranging four square core molds 4 at intervals, a square of about 1 square meter is formed by two strip-shaped or four square core molds 4, and an interval is formed in the middle, so that concrete can flow into the bottom, a space rib beam is formed, a stable structure is realized, and the dense rib beams 14 are reduced due to the larger square core mold, so that the steel bars and labor force are reduced, and the design requirement can be met.
Example 3
On the basis of the embodiment 1, an upper grid steel bar formed by laying a ribbed beam steel bar 11 and an upper flange steel bar 12 is arranged in the upper flange plate 13; the filling core mould 1 is provided with ribs, so that the structure is more stable.
Example 4
On the basis of embodiment 3, lower grid reinforcing steel bars formed by laying ribbed beam reinforcing steel bars 11 and lower flange reinforcing steel bars 17 are arranged in the lower flange plate 18; the filling core mould 1 is arranged with ribs, and the H-shaped floor is cast in situ, so that the structure is more stable.
Example 5
On the basis of the embodiment 3, lower grid reinforcing steel bars formed by laying metal wires 20 and lower flange reinforcing steel bars 17 are arranged in the lower flange plate 18; the metal wire is one or more of iron wire, steel bar net wire and cold binding wire; the filling core mould 1 is arranged with ribs, and the T-shaped floor is cast in situ, which meets the design requirements.
Example 6
On the basis of any one of embodiments 1 to 5, a rectangular hoop 16 is arranged in the multi-ribbed beam 14 and is used for connecting the upper flange steel bars 12 and the lower flange steel bars 17; the structure is more stable.
Example 7
On the basis of any one of embodiments 1 to 5, a tie bar 15 is arranged in the gap rib beam 5 and is used for connecting the upper flange reinforcing steel bar 12 and the lower flange reinforcing steel bar 17; the structure is more stable.
Example 8
On the basis of the embodiment 1, the section of the core mold 4 is quadrilateral, circular, polygonal or elliptical; suitable for different shapes.
Example 9
On the basis of any one of embodiments 1 to 5, the core mold 4 is made of plastic or foam or metal material; different materials of the core mold can be selected according to design requirements.
Example 10
On the basis of any one of the embodiments 1 to 5, the length of the strip-shaped core mold 4 is equal to the width of two strip-shaped core molds 4 plus the width of the gap rib beam 5, and two adjacent strip-shaped core molds 4 are connected through 2 to 3 connecting buckles 8; the distance between the strip-shaped core moulds 4 is uniform, and the structure is stable.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hollow floor system filled by combining a light core mold comprises an upper flange plate (13), a lower flange plate (18), a gap rib beam (5), a strip-shaped core mold (4), a structure column (3) and a plurality of frame beams (2) connected with the plurality of structure columns (3), wherein a plurality of filling core molds (1) are distributed at intervals in an area surrounded by the plurality of frame beams (2), and dense rib beams (14) are formed among the plurality of filling core molds (1); the filling core mould is characterized in that the filling core mould (1) consists of two strip-shaped or four square core moulds (4), and a gap rib beam (5) is arranged between every two adjacent core moulds (4).
2. The hollow floor system filled with the light core mold combination as claimed in claim 1, wherein the filling core mold (1) is a square core mold formed by arranging two strip core molds (4) at intervals or a square core mold formed by arranging four square core molds (4) at intervals.
3. The hollow floor system filled with the light core mold combination as claimed in claim 1, wherein the upper flange plate (13) is internally provided with upper grid reinforcing steel bars formed by laying dense rib beam reinforcing steel bars (11) and upper flange reinforcing steel bars (12).
4. The hollow floor system filled with the light core mold combination as claimed in claim 3, wherein the lower flange plate (18) is internally provided with lower grid reinforcing steel bars formed by laying ribbed beam reinforcing steel bars (11) and lower flange reinforcing steel bars (17).
5. The hollow floor system filled with the light core mold combination as claimed in claim 3, wherein the lower flange plate (18) is internally provided with lower grid reinforcing steel bars formed by laying metal wires (20) and lower flange reinforcing steel bars (17), and the metal wires are one or more of iron wires, reinforcing steel mesh wires and cold binding wires.
6. A core-mould assembly filled hollow floor slab as claimed in any one of claims 1 to 5, wherein said ribbed beams (14) have rectangular stirrups (16) for connecting the upper flange reinforcing bars (12) and the lower flange reinforcing bars (17).
7. A core-mould-assembly-filled hollow floor slab as claimed in any one of claims 1 to 5, wherein said gap ribs (5) are provided with tie bars (15) for connecting the upper flange reinforcing bars (12) and the lower flange reinforcing bars (17).
8. The hollow floor system filled with the light core mold combination as claimed in any one of claims 1 to 5, wherein the section of the core mold (4) is quadrilateral, circular, polygonal or elliptical.
9. A light core mould combined filling hollow floor as claimed in any one of claims 1 to 5, characterized in that the core mould (4) is made of plastic or foam or metal material.
10. The hollow floor slab filled with the light core mold combination as claimed in any one of claims 1 to 5, wherein the length of the strip-shaped core mold (4) is equal to the width of two strip-shaped core molds (4) plus the width of the gap rib beam (5), and two adjacent strip-shaped core molds (4) are connected through 2-3 connecting buckles (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106666.6U CN211774963U (en) | 2020-01-17 | 2020-01-17 | Hollow superstructure that light mandrel combination was filled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106666.6U CN211774963U (en) | 2020-01-17 | 2020-01-17 | Hollow superstructure that light mandrel combination was filled |
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| CN211774963U true CN211774963U (en) | 2020-10-27 |
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| CN202020106666.6U Active CN211774963U (en) | 2020-01-17 | 2020-01-17 | Hollow superstructure that light mandrel combination was filled |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726921A (en) * | 2020-12-27 | 2021-04-30 | 江西美丽坚建材科技有限公司 | Mold box arrangement method for eliminating small special-shaped molds of dense-rib floor |
| CN113309281A (en) * | 2021-06-03 | 2021-08-27 | 安徽同济建设集团有限责任公司 | Light filling protective layer for hollow floor slab and processing method thereof |
-
2020
- 2020-01-17 CN CN202020106666.6U patent/CN211774963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726921A (en) * | 2020-12-27 | 2021-04-30 | 江西美丽坚建材科技有限公司 | Mold box arrangement method for eliminating small special-shaped molds of dense-rib floor |
| CN113309281A (en) * | 2021-06-03 | 2021-08-27 | 安徽同济建设集团有限责任公司 | Light filling protective layer for hollow floor slab and processing method thereof |
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