CN207646978U - Prestressing force rolls over shape metal mesh concrete core slab - Google Patents

Abstract

The utility model provides a kind of prestressing force folding shape metal mesh concrete core slab, including folding shape metal mesh, concrete, deformed bar, welded steel fabric, framework of steel reinforcement and additional net, roll over the metal mesh that shape metal mesh is upper and lower bending, additional net is located at the lower part of folding shape metal mesh and is closely connect with it, rolls over shape metal mesh and additional net is enclosed cavity portion；The top of folding shape metal mesh is disposed with deformed bar and welded steel fabric, and framework of steel reinforcement is located at the left and right sides of folding shape metal mesh, and concrete wraps folding shape metal mesh, deformed bar, welded steel fabric, framework of steel reinforcement and additional net.The utility model has the characteristics that be simple to manufacture, install convenient, reasonable for structure, reliable in quality, widely used, is suitble to industrialization, assembling development.

Description

Prestressing force rolls over shape metal mesh concrete core slab

Technical field

The utility model is related to a kind of assembled architecture prefabricated components, especially a kind of one kind for building building construction Prestressing force rolls over shape metal mesh concrete core slab.

Background technology

Concrete is a kind of good composite material, every to have the place of architectural engineering that use concrete, this multiple The advantages of condensation material, is that its designability, people devise as needed：Plastic concrete, dry concrete, fluidised form Concrete, high performance concrete, pump concrete, ready-mixed concrete, super plasticized concrete, high performance flowing concrete, thousand Year concrete, high-performance expansion concrete, high property spray concrete, renewable concrete, plant cover concrete, light-weight aggregate coagulation Many concrete such as soil, foam concrete, heat resistance concrete, abrasion-proof concrete, pervious concrete, fiber concrete.These Concrete is mutually combined reinforced concrete member with reinforcing bar again, and prestressed reinforced concrete is mutually combined with deformed bar Component is mutually combined steel fiber reinforced concrete connector with steel fibre, and welded steel fabric coagulation is mutually combined with welded steel fabric Soil structure etc..

Nowadays, the assembled architecture in China has been enter into great development period, and concrete dense-rib superstructure is a kind of common in building The rational building cover structure of mechanical property, since superstructure is flexural member, when closing on destruction concrete due to tensile strength it is low And crack, pulling force is undertaken by reinforcing bar, is exited the concrete of work below and can be cut out a part, and weight is mitigated, and saves concrete.It is existing There is the complicated construction technique of concrete dense-rib superstructure in technology, rental die for special purpose shell mold plate is expensive, concrete and amount of reinforcement Greatly, complex manufacturing technology is caused, a series of of high cost, defects such as heavier-weight.Therefore a kind of solution building industrialization is needed, firmly Residence industrialization, design standard, a kind of of construction assembling are suitble to the prefabricated building element excellent convenient for assembling quality.

Utility model content

In order to solve the above-mentioned technical problem, develop assembled architecture, solve the shortcoming of existing building component, this practicality The technical solution of novel offer is：

A kind of prestressing force rolls over shape metal mesh concrete core slab, and the cored slab includes folding shape metal mesh 1, concrete 2, pre- Stress reinforcing bar 3, welded steel fabric 4 and additional net 6, the folding shape metal mesh 1 is that bending up and down is in wavy metal mesh, described Additional net 6 is located at the lower part of the folding shape metal mesh 1 and is closely connect with it, the folding shape metal mesh 1 and the additional net 6 It is enclosed cavity portion 1F；The top of the folding shape metal mesh 1 is disposed with deformed bar 3 and welded steel fabric 4, described Concrete 2 wraps the folding shape metal mesh 1, deformed bar 3, welded steel fabric 4 and additional net 6.

Preferably, the folding shape metal mesh 1 includes mesh portions 1A, following mesh portions 1B and vertical mesh portions 1C above, if The dry mesh portions 1A and following mesh portions 1B or more above is staggered, and is connected by vertical mesh portions 1C.

Preferably, the mesh portions 1B below is connected with the two adjacent vertical mesh portions 1C in left and right, composition holding groove 1G； Adjacent with left and right mesh portions 1A two vertical mesh portions 1C and additional net 6 are connected above described, form the cavity portion 1F； The both sides of the folding shape metal mesh 1, are connected by mesh portions 1B below a vertical mesh portions 1C and half, slot are poured after forming edges of boards 1H。

Preferably, the vertical mesh portions 1C is vertical or has certain angle of inclination.

Preferably, the section of the cavity portion 1F is quadrangle or triangle.

Preferably, the connecting place of the mesh portions 1A and vertical mesh portions 1C above, and mesh portions 1B and vertical below The junction of mesh portions 1C is both provided with circular arc-shaped corner 1E.

Preferably, the concrete 2 include lower-layer concrete 2A, holding groove inner concrete 2B, overlapping layer concrete 2C and Slot inner concrete 2D is poured after edges of boards；Mesh portions 1B and the additional net 6 below are embedded among the lower-layer concrete 2A, described Holding groove inner concrete 2B is cast in the holding groove 1G, and the deformed bar 3 is embedded in the holding groove inner concrete 2B It is interior, there is welded steel fabric 4 in the overlapping layer concrete 2C；Slot 1H is poured after the edges of boards to pour coagulation in slot after placing edges of boards Native 2D.

Preferably, also there is framework of steel reinforcement 5, the framework of steel reinforcement 5 to be located at the left and right sides of the folding shape metal mesh 1, institute It states after framework of steel reinforcement 5 is embedded in the edges of boards and pours in slot inner concrete 2D.

Preferably, the overlapping layer concrete 2C and holding groove inner concrete 2B is poured simultaneously, is poured in slot after the edges of boards Concrete 2D be in construction and installation cast in situs, to the reliable connection between plate and plate, plate and supporting structure, the reinforcing bar Skeleton 5 pours after being embedded in the edges of boards in slot inner concrete 2D.

Preferably, the deformed bar 3 eliminates compressor wire using prestress wire or spiral ribs；The reinforcing bar Welded mesh 4 uses cold-rolled ribbed steel wire, is formed through spot welding；The folding shape metal mesh 1 uses cold-rolled strip expansion web or special type High ribbed formwork.

Preferably, the framework of steel reinforcement 5 includes that main reinforcement 5A, bearing rod 5B and stirrup 5C, the bearing rod 5B are located at main reinforcement The top of 5A, the stirrup 5C are rectangular by main ribs 5A and bearing rod 5B hoops；The framework of steel reinforcement 5 is to be mounted at the scene It pours in slot 1H, is embedded in after cast-in-place edges of boards among pouring slot inner concrete 2D after the edges of boards.

The attainable advantageous effect of the utility model institute, compared with prior art, which not only has dead load Gently, geological process power is small, reduces structure floor height, sound insulation, it is heat-insulated, economical, be applicable in, feature reasonable for structure, also have and energy saving subtract Row is beneficial to the clear superiority of environmental protection.

Description of the drawings

Fig. 1 is the prestressing force folding shape metal mesh concrete core slab structure chart of the utility model；

Fig. 2 is the prestressing force folding shape metal mesh concrete core slab vertical view of the utility model；

Fig. 3 is the A-A sectional views of Fig. 2；

Fig. 4 is the folding shape metal mesh perspective view of the utility model；

Fig. 5 is the sectional view of the folding shape metal mesh and additional net of the utility model；

Fig. 6 is the schematic diagram of the framework of steel reinforcement of the utility model.

Reference sign：

1- rolls over shape metal mesh；Mesh portions above 1A-；Mesh portions below 1B-；The vertical mesh portions of 1C-；1D- mesh；1E- justifies Arc corner；1F- cavity portions；1G- holding grooves；Slot is poured after 1H- edges of boards；2- concrete；2A- lower-layer concretes；It is mixed in 2B- holding grooves Solidifying soil；2C- overlaps layer concrete；Slot inner concrete is poured after 2D- edges of boards；3- deformed bars；4- welded steel fabrics；5- reinforcing bars Skeleton；5A- main reinforcements；5B- bearing rods；5C- stirrups；6- adds net.

Specific implementation mode

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Shown in Fig. 1~Fig. 3, the utility model provide it is a kind of suitable for prefabricated buildings building one kind answer in advance Power rolls over shape metal mesh concrete core slab, which can make floor, roof boarding, wallboard, and the cored slab includes folding shape Metal mesh 1, concrete 2, deformed bar 3, welded steel fabric 4 and additional net 6, the folding shape metal mesh 1 are that bending is in up and down Wavy metal mesh, the additional net 6 are located at the lower part of the folding shape metal mesh 1 and are closely connect with it, specific connection side The means such as iron wire binding, welding can be used in formula.The folding shape metal mesh 1 and the additional net 6 are enclosed cavity portion 1F；It is described The top of folding shape metal mesh 1 is disposed with deformed bar 3 and welded steel fabric 4, and the concrete 2 wraps the folding shape Metal mesh 1, deformed bar 3, welded steel fabric 4 and additional net 6.

As illustrated in figures 4-5, the folding shape metal mesh 1 is from the point of view of section morphology, similar to the wave for being bent into " several " font The metal otter board of shape, the folded plate shape metal mesh being made of mesh portions 1A above, following mesh portions 1B and vertical mesh portions 1C are several A mesh portions 1A and following mesh portions 1B or more above is staggered, and is connected by vertical mesh portions 1C.The wet end below Divide 1B to be connected with the two adjacent vertical mesh portions 1C in left and right, holding groove 1G is formed, to store holding groove inner concrete 2B；Institute It states the two vertical mesh portions 1Cs adjacent with left and right of mesh portions 1A above and additional net 6 is connected, form the cavity portion 1F；Institute The both sides for stating folding shape metal mesh 1 are connected by mesh portions 1B below a vertical mesh portions 1C and half, slot are poured after forming edges of boards 1H。

Wherein, vertical mesh portions 1C can be it is vertical also can be gradient, naturally, the section of the cavity portion 1F is four Side shape or triangle.

As in Figure 3-5, it is described above mesh portions 1A and vertical mesh portions 1C connecting place, and below mesh portions 1B and The junction of vertical mesh portions 1C is both provided with circular arc-shaped corner 1E.

As shown in figure 3, the concrete 2 includes lower-layer concrete 2A, holding groove inner concrete 2B, overlapping layer concrete 2C With slot inner concrete 2D is poured after edges of boards；Mesh portions 1B and the additional net 6 below are embedded among the lower-layer concrete 2A, described Holding groove inner concrete 2B is cast in the holding groove 1G, and the deformed bar 3 is embedded in the holding groove inner concrete 2B It is interior, there is welded steel fabric 4 in the overlapping layer concrete 2C；Slot 1H is poured after the edges of boards to pour coagulation in slot after placing edges of boards Native 2D.

Also there is framework of steel reinforcement 5, the framework of steel reinforcement 5 to be located at the left and right sides of the folding shape metal mesh 1, the reinforcing bar Frame 5 pours after being embedded in the edges of boards in slot inner concrete 2D.

The overlapping layer concrete 2C is poured simultaneously with holding groove inner concrete 2B, and slot inner concrete 2D is poured after the edges of boards It is in construction and installation cast in situs, to the reliable connection between plate and plate, plate and supporting structure, the framework of steel reinforcement 5 buries It is poured in slot inner concrete 2D after being located at the edges of boards.

In another embodiment, it is poured after the overlapping layer concrete 2C and holding groove inner concrete 2B and edges of boards Slot inner concrete 2D is poured simultaneously, and the part of the framework of steel reinforcement 5 pours slot inner concrete after being embedded in the edges of boards In 2D, another part exposes, so that subsequent construction scene is for the connection between plate and plate, plate and supporting structure.

As shown in figure 4, described have mesh 1D on mesh portions 1A and vertical mesh portions 1C above, below mesh portions 1B and attached Screening 6 also has mesh.

As shown in FIG. 1 to 3, prestressing force provided by the utility model rolls over shape metal mesh concrete core slab, pours first The concrete of mesh portions 1B and additional net 6 below, below mesh portions 1B and additional net 6 be embedded among lower-layer concrete 2A, accept Slot inner concrete 2B is cast in holding groove 1G, inside there is deformed bar 3, overlapping layer concrete 2C and holding groove inner concrete 2B is poured simultaneously, and overlapping in layer concrete has welded steel fabric 4, and it is to pour at the scene that slot inner concrete 2D is poured after edges of boards , to the reliable connection of plate and plate, plate and supporting structure, being poured in slot inner concrete 2D after edges of boards has framework of steel reinforcement 5.

As shown in FIG. 1 to 3, prestress wire or spiral shell can be used in holding groove inner concrete 2B in deformed bar 3 It revolves rib and eliminates compressor wire.The presstressed reinforcing steel 7, using delayed bonding prestressed tendon, unbonded prestressing tendon, merging bellows Penetrating post-tensioning has cohesive steel strand wires or mixed configuration presstressed reinforcing steel, and the presstressed reinforcing steel 7 linearly anchors, broken line anchors, multistage Curve anchors, continuous anchoring or interruption anchoring.

As shown in figure 3, in overlapping layer concrete 2C cold-rolled ribbed steel wire can be used, through spot welding in welded steel fabric 4 At；The folding shape metal mesh 1 is using cold-rolled strip expansion web or extraordinary high ribbed formwork.

As shown in fig. 6, the framework of steel reinforcement 5, which includes main reinforcement 5A, bearing rod 5B and stirrup 5C, the bearing rod 5B, is located at master The top of muscle 5A, the stirrup 5C are rectangular by main ribs 5A and bearing rod 5B hoops；The framework of steel reinforcement 5 is to install at the scene It pours in slot 1H, is embedded in after cast-in-place edges of boards among pouring slot inner concrete 2D after the edges of boards；The framework of steel reinforcement 5 uses steel Muscle, to load-bearing and connection.

The method for making prestressing force folding shape metal mesh concrete core slab of the utility model, includes the following steps：

Step 1, it is needed to select metal material according to engineering function, it is following that required folding shape metal mesh 1, which is divided, Part：Slot 1H is poured after mesh portions 1A, following mesh portions 1B, vertical mesh portions 1C, holding groove 1G and edges of boards above to be designed；

Step 2, folding shape metal mesh 1 is manufactured in metal mesh profession manufactory；

Step 3, type, the intensity of selection concrete are needed according to engineering function, and carry out match ratio trial；

Step 4, the pedestal in the pedestal of plant produced pre-tensioned prestressed concrete component below corresponding folding shape metal mesh 1 On, pour the lower-layer concrete 2A of 20mm-50mm thickness；

Step 5, additional net 6 and folding shape metal mesh 1 are linked together and is placed in stretching bed seat, and be pressed into lower layer's coagulation 10mm-15mm depth in native 2A；

Step 6, deformed bar 3 is placed in the holding groove 1G of the folding shape metal mesh 1；

Step 7, prestressed reinforcement of tensioning 3；

Step 8, welded steel fabric 4 is laid on the folding shape metal mesh 1；

Step 9, holding groove inner concrete 2B and overlapping layer concrete 2C are poured；

Step 10, curing concrete；

Step 11, when concrete strength reaches 80% or more, loosen deformed bar 3；

Step 12, it cuts off reinforcing bar, hang out cored slab, storage.

The advantages of prestressing force folding shape metal mesh concrete core slab and its manufacturing method of the utility model design, is：

(1) the utility model provides a kind of new composite structure, rolls over shape metal mesh concrete structure, has reinforcing bar The overall merit of concrete, welded steel fabric concrete, steel fiber reinforced concrete, steel skeleton concrete.

(2) connection of plate and plate, plate and support construction annoyings always assembled architecture, the utility model in the prior art Using the method for pouring slot after edges of boards, cast in situs is that armored concrete connects rib, meets the design requirement of " the weak component of strong ties ".

(3) slot concrete folding technology is poured after the edges of boards of the utility model design, it is simple and reliable, overcome assembled architecture The persistent ailment of overall performance, poor seismic behavior embodies the developing direction of the following assembled architecture.

(4) prestressing force of the utility model design is used to roll over shape metal mesh concrete core slab, it is widely used, it can make Floor, wallboard, roof boarding.It can be adopted in prefabricated concrete structure system, modern cast-in-place structural system, steel structure system With the development of China's building industrialization will be promoted.

(5) the built-in reinforcing system that deformed bar is combined with folding shape metal mesh, welded steel fabric, additional net is used System, on the basis of saving space, has reached optimal structural mechanics effect.

Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power Subject to the protection domain that profit requires.

Claims (10)

1. a kind of prestressing force rolls over shape metal mesh concrete core slab, which is characterized in that the cored slab includes folding shape metal mesh (1), concrete (2), deformed bar (3), welded steel fabric (4) and additional net (6), the folding shape metal mesh (1) is upper and lower Bending is in wavy metal mesh, and the additional net (6) is located at the lower part of the folding shape metal mesh (1) and is closely connect with it, The folding shape metal mesh (1) and the additional net (6) are enclosed cavity portion (1F)；It is described folding shape metal mesh (1) top according to Secondary to be provided with deformed bar (3) and welded steel fabric (4), the concrete (2) wraps the folding shape metal mesh (1), pre- Stress reinforcing bar (3), welded steel fabric (4) and additional net (6).

2. a kind of prestressing force according to claim 1 rolls over shape metal mesh concrete core slab, which is characterized in that the folding shape Metal mesh (1) includes mesh portions (1A), following mesh portions (1B) and vertical mesh portions (1C) above, several described wet ends above Divide (1A) and following mesh portions (1B) to be staggered up and down, is connected by vertical mesh portions (1C).

3. a kind of prestressing force according to claim 2 rolls over shape metal mesh concrete core slab, which is characterized in that below described Mesh portions (1B) are connected with the two adjacent vertical mesh portions (1C) in left and right, composition holding groove (1G)；The mesh portions above Two vertical mesh portions (1C) and additional net (6) (1A) adjacent with left and right are connected, and form the cavity portion (1F)；The folding The both sides of shape metal mesh (1) are connected with half of following mesh portions (1B) by a vertical mesh portions (1C), slot are poured after forming edges of boards (1H)。

4. a kind of prestressing force according to claim 3 rolls over shape metal mesh concrete core slab, which is characterized in that described vertical Mesh portions (1C) are vertical or have certain angle of inclination.

5. a kind of prestressing force according to claim 4 rolls over shape metal mesh concrete core slab, which is characterized in that the cavity The section in portion (1F) is quadrangle or triangle.

6. a kind of prestressing force according to claim 3 rolls over shape metal mesh concrete core slab, which is characterized in that above described The connecting place of mesh portions (1A) and vertical mesh portions (1C), and the junction of mesh portions (1B) and vertical mesh portions (1C) below It is both provided with circular arc-shaped corner (1E).

7. a kind of prestressing force according to claim 3 rolls over shape metal mesh concrete core slab, which is characterized in that the coagulation Native (2) include pouring coagulation in slot after lower-layer concrete (2A), holding groove inner concrete (2B), overlapping layer concrete (2C) and edges of boards Native (2D)；Mesh portions (1B) and the additional net (6) below are embedded among the lower-layer concrete (2A), are mixed in the holding groove Solidifying soil (2B) is cast in the holding groove (1G), and the deformed bar (3) is embedded in the holding groove inner concrete (2B), There is welded steel fabric (4) in the overlapping layer concrete (2C)；Slot (1H) is poured after the edges of boards to pour in slot after placing edges of boards Concrete (2D).

8. a kind of prestressing force according to claim 7 rolls over shape metal mesh concrete core slab, which is characterized in that also have steel Tendons skeleton (5), the framework of steel reinforcement (5) are located at the left and right sides of the folding shape metal mesh (1), and the framework of steel reinforcement (5) is embedded It is poured after the edges of boards in slot inner concrete (2D).

9. a kind of prestressing force according to claim 1 rolls over shape metal mesh concrete core slab, which is characterized in that described pre- to answer Power reinforcing bar (3) eliminates compressor wire using prestress wire or spiral ribs；The welded steel fabric (4) is using cold-rolled ribbed Steel wire is formed through spot welding；The folding shape metal mesh (1) is using cold-rolled strip expansion web or extraordinary high ribbed formwork.

10. a kind of prestressing force according to claim 8 rolls over shape metal mesh concrete core slab, which is characterized in that the steel Tendons skeleton (5) includes main reinforcement (5A), bearing rod (5B) and stirrup (5C), and the bearing rod (5B) is located at the top of main reinforcement (5A), The stirrup (5C) is rectangular by main ribs (5A) and bearing rod (5B) hoop.