CN210975857U

CN210975857U - Caisson connection structure

Info

Publication number: CN210975857U
Application number: CN201921360866.8U
Authority: CN
Inventors: 张剑; 欧阳信; 罗权国; 李志荣
Original assignee: Changsha Broad Homes Industrial Anhui Co ltd
Current assignee: Changsha Broad Homes Industrial Anhui Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-10
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a caisson connecting structure, which comprises a caisson bottom plate, load-bearing members positioned around the caisson bottom plate and a floor plate connected with the load-bearing members, wherein the caisson bottom plate is connected with the lower parts of the load-bearing members, the floor plate is connected with the upper parts of the load-bearing members, and the caisson bottom plate and the floor plate are positioned on different sides of the load-bearing members; the caisson bottom plate comprises a caisson prefabricated layer and a caisson cast-in-place layer poured on the caisson prefabricated layer, the bearing member is a cast-in-place beam, and the caisson cast-in-place layer and the bearing member form an integrated forming structure. Therefore, a prefabricated and cast-in-place superposed caisson structure is formed, the integrity is superior to that of a fully prefabricated caisson, and the safety of a waterproof and integral structure is guaranteed. And, caisson prefabricated layer can adopt general floor mould production, and production efficiency is high, and is with low costs. During construction, the caisson prefabricated layer can be used as a lower template of a formwork of a caisson cast-in-place layer, the on-site hoisting and positioning and the template supporting are simple and convenient, and the on-site construction difficulty is greatly reduced.

Description

Caisson connection structure

Technical Field

The utility model belongs to the technical field of the assembled architectural design, especially, relate to a caisson connection structure.

Background

The totally cast caisson has been replaced by the totally cast caisson gradually at present along with the rising of prefabricated assembly type structures because there are the problems of complicated steel bar binding, difficult formwork support, large construction difficulty and the like. As shown in fig. 1, a conventional fully prefabricated caisson 1-1 generally comprises a caisson bottom plate and a reversed sill arranged around the bottom plate, and the caisson with the reversed sill is directly prefabricated into a whole in a factory. During installation, the gluten 1-2 of the prefabricated caisson needs to penetrate through the bearing members 1-3 and then extend into a cast-in-place layer above the prefabricated floor slabs 1-4, so that the prefabricated caisson needs to be installed after the whole prefabricated floor slabs 1-4 on the periphery are completely hoisted, and a pouring space of the bearing members 1-3 is reserved between the prefabricated floor slabs 1-4 and the prefabricated caisson 1-1. The prefabricated caisson has the problems of complex mold design, difficult factory production, higher production cost, difficult component transportation, large construction operation difficulty of site hoisting and positioning and bearing component template construction, difficult operation of binding reinforcing steel bars extending into a floor slab, poor integrity after construction and the like. In addition, the reverse ridges with the width of 100mm are arranged on the periphery of the caisson, so that the position of the vertical sewage pipe needs to be deviated to the indoor space, the installation of the bathtub and other appliances is limited, and the use space of the toilet is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a caisson connection structure with low costs, production and construction are convenient, the wholeness is good, and can solve because the prefabricated caisson leads to the problem that the lavatory space reduces in the design process completely.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a caisson connecting structure comprises a caisson bottom plate, force-bearing members and a floor plate, wherein the force-bearing members are positioned on the periphery of the caisson bottom plate, the floor plate is connected with the force-bearing members, the caisson bottom plate is connected to the lower parts of the force-bearing members, the floor plate is connected to the upper parts of the force-bearing members, and the caisson bottom plate and the floor plate are positioned on different sides of the force-bearing members; the caisson bottom plate comprises a caisson prefabricated layer and a caisson cast-in-place layer poured on the top surface of the caisson prefabricated layer, the bearing member is a cast-in-place beam, and the caisson cast-in-place layer and the bearing member form an integrated forming structure.

Therefore, a prefabricated and cast-in-place superposed caisson structure is formed, the integrity is superior to that of a fully prefabricated caisson, and the safety of a waterproof and integral structure is guaranteed. And, caisson prefabricated layer can adopt general floor mould production, and production efficiency is high, and is with low costs, has solved the difficult, the higher problem of component cost of full prefabricated caisson mould preparation and component production. During construction, the caisson prefabricated layer can be used as a lower template of a formwork of a caisson cast-in-place layer, the on-site hoisting and positioning and the template supporting are simple and convenient, and the on-site construction difficulty is greatly reduced. And, this coincide caisson can not influence the building usage space because of prefabricated caisson production requirement.

Preferably, the bearing member is a bearing beam or a bearing wall.

As a further improvement of the above technical solution:

in order to improve the structural strength and the connection strength of the caisson prefabricated layer and the bearing members, the side face of the caisson prefabricated layer is provided with caisson bottom ribs extending outwards from opposite side faces, and the caisson bottom ribs extend into the corresponding bearing members.

In order to improve the structural strength and the connection strength of the caisson cast-in-place layer and the bearing members, the side surface of the caisson cast-in-place layer is provided with caisson gluten extending into the corresponding bearing members, preferably, the tail ends of the caisson gluten are bent upwards to form L type bent reinforcing steel bars.

In order to avoid on-site hole opening and delay construction progress, a wired box is pre-buried at the bottom of the caisson prefabricated layer. The line box can be used for installing the lamp in the next layer of toilet.

In order to further improve the integrity of the structure, the floor slab comprises a floor slab prefabricated layer and a floor slab cast-in-situ layer poured on the top surface of the floor slab prefabricated layer, and the caisson cast-in-situ layer, the bearing member and the floor slab cast-in-situ layer are of an integrated forming structure.

In order to improve the structural strength and the connection strength of the floor precast layer and the bearing member, the side surface of the floor precast layer facing the corresponding bearing member is provided with a floor bottom rib extending into the bearing member.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a unified with the way of prefabricated caisson and coincide floor, optimized the production method in the design, practiced thrift the cost of mould preparation and factory production, reduced component cost of transportation, solved that mould design is complicated, mould preparation and manufacturing cost are higher and the aspect problem of component transportation.

2. The utility model discloses on-spot hoist and mount position and template are strutted simple and conveniently, have reduced site operation difficulty for hoist and mount construction speed, reduced construction cost and accelerated the engineering progress.

3. The utility model discloses also solved because the problem that the prefabricated caisson leads to the lavatory space to reduce in the design process takes place, this kind of prefabricated method design accommodation of assembled caisson is unrestricted.

Drawings

Fig. 1 is a schematic view of a conventional fully prefabricated caisson connecting structure.

Fig. 2 is a schematic view of a caisson connecting structure according to an embodiment of the present invention.

Fig. 3 is a schematic sectional view of a caisson connecting structure according to an embodiment of the present invention.

Illustration of the drawings: 1. a caisson floor; 11. a caisson prefabrication layer; 12. casting a layer in a caisson; 13. caisson bottom ribs; 14. gluten in a caisson; 2. a force-bearing member; 3. a floor slab; 31. a floor slab prefabrication layer; 32. a floor cast-in-place layer; 33. floor slab bottom ribs; 4. and (4) casting the wall column in situ.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

Example 1:

as shown in fig. 2 and 3, the caisson connecting structure of the present embodiment includes a caisson bottom plate 1, four bearing members 2 located around the caisson bottom plate 1, and four floor slabs 3 corresponding to the four bearing members 2 one to one. The lower end of the intersection of two adjacent bearing members 2 is provided with a cast-in-situ wall column 4. The caisson bottom plate 1 is adjacent to the lower part of each bearing member 2, the floor 3 is connected to the upper part of the corresponding bearing member 2, and the caisson bottom plate 1 and the floor 3 are positioned on different sides of the bearing members 2.

In this embodiment, the bearing member 2 is a bearing beam. In addition, the bearing members 2 around the bottom plate 1 of the caisson can also be bearing walls.

As shown in fig. 3, the caisson bottom plate 1 comprises a caisson prefabricated layer 11 and a caisson cast-in-place layer 12 poured on the top surface of the caisson prefabricated layer 11, the side surface of the caisson prefabricated layer 11 is provided with caisson bottom ribs 13 extending outwards from opposite side surfaces, and the caisson bottom ribs 13 extend into corresponding force-bearing members 2; the side of the caisson cast-in-place layer 12 is provided with caisson gluten 14 which extends into the corresponding bearing member 2. The floor slab 3 comprises a floor slab prefabricated layer 31 and a floor slab cast-in-place layer 32 poured on the top surface of the floor slab prefabricated layer 31, and floor slab bottom ribs 33 extending into the bearing members 2 are arranged on the side surfaces, facing the corresponding bearing members 2, of the floor slab prefabricated layer 31; the bearing member 2 is a cast-in-situ beam, and the caisson cast-in-situ layer 12, the bearing member 2 and the floor cast-in-situ layer 32 are of an integrated molding structure.

In this embodiment, the caisson prefabricated layer 11, the caisson cast-in-place layer 12, and the floor prefabricated layer 31 are embedded with reinforcing mesh, the reinforcing mesh is formed by interleaving transverse reinforcing bars and longitudinal reinforcing bars, and two ends of the transverse reinforcing bars and the longitudinal reinforcing bars extend outwards to form caisson bottom ribs 13, caisson gluten 14, or floor bottom ribs 33, respectively. Wherein, caisson gluten 14 bends upwards and forms the reinforcing bar of bending.

The construction method of the caisson connecting structure comprises the following steps:

s1: respectively hoisting the caisson prefabricated layer 11 and the floor slab prefabricated layer 31 to corresponding installation positions;

s2: erecting a caisson cast-in-place layer formwork, a bearing member formwork, a floor slab cast-in-place layer formwork and a cast-in-place wall column formwork; the caisson bottom ribs 13, the caisson gluten 14 and the floor bottom ribs 33 all extend into the force-bearing component die;

s3: and pouring concrete into the caisson cast-in-place layer mold, the bearing member mold and the floor slab cast-in-place layer mold, so that the caisson bottom plate 1, the bearing member 2 and the floor slab 3 are connected into a whole.

The utility model discloses with the peripheral side cancellation of caisson, pour caisson load component (or in the cast-in-place wall post) at on-the-spot formwork, solved prefabricated caisson mould preparation and the higher problem of component production difficulty, component cost. The caisson manufacturing method and the composite floor manufacturing method are unified, the factory production is simple and single, the floor at the position of the caisson is subjected to plate lowering treatment (namely the prefabricated layer of the caisson is lower than the prefabricated layer of the floor) when the caisson is hoisted on site, the steel bars are directly anchored into the cast-in-place beam (or the cast-in-place wall column), the floor surface ribs of the caisson are constructed according to the configuration of the traditional building gluten, the site hoisting and the formwork supporting are simple and convenient, the problem that the toilet space is reduced due to the fact that the caisson is completely prefabricated in the design process is solved, and the design adaptation range of the assembly type caisson prefabricating method is not.

The utility model discloses construct according to coincide floor construction method, hoist caisson and coincide floor earlier, caisson and coincide floor do not have hoist and mount precedence order, reapply to water upper cast-in-place layer concrete, make coincide floor and whole structural component link into an entirety, guarantee waterproof and structural safety; and the whole prefabricated caisson (the caisson of anti-bank in area) directly prefabricates into a whole in mill, and not only the production mould of mill is with high costs, and the wholeness does not have after the site operation is accomplished moreover the utility model discloses a coincide caisson is good.

The production mode of the laminated caisson is the same as that of the laminated floor, the laminated caisson can be used for a general floor die, the production efficiency is high, and the laminated caisson cannot influence the use space of a building due to the production requirement of the prefabricated caisson, so that the drainage and water supply vertical pipe needs to be deviated inwards to occupy the use space of a toilet.

In addition, still can set up the line box in the bottom on caisson prefabricated layer for the lamps and lanterns installation of next floor bathroom, in order to further improve the efficiency of construction.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims

1. A caisson connecting structure comprises a caisson bottom plate (1), force-bearing members (2) located on the periphery of the caisson bottom plate (1) and a floor (3) connected with the force-bearing members (2), wherein the caisson bottom plate (1) is connected to the lower portions of the force-bearing members (2), the floor (3) is connected to the upper portions of the force-bearing members (2), and the caisson bottom plate (1) and the floor (3) are located on different sides of the force-bearing members (2); the caisson structure is characterized in that the caisson bottom plate (1) comprises a caisson prefabricated layer (11) and a caisson cast-in-place layer (12) poured on the caisson prefabricated layer (11), the bearing member (2) is a cast-in-place beam, and the caisson cast-in-place layer (12) and the bearing member (2) form an integrated forming structure.

2. Caisson connection structure according to claim 1, characterized in that the sides of the caisson prefabrication layer (11) are provided with caisson bottom ribs (13) extending outwards from opposite sides, the caisson bottom ribs (13) extending into the respective load-bearing members (2).

3. Caisson connection structure according to claim 1, characterized in that the sides of the caisson pouring layer (12) are provided with caisson gluten (14) that extends into the respective force-bearing member (2).

4. The caisson connecting structure according to claim 1, wherein a wire box is embedded in the bottom of the caisson prefabrication layer (11).

5. The caisson connecting structure according to any one of claims 1 to 4, wherein the floor (3) comprises a prefabricated floor layer (31) and a cast-in-place floor layer (32) poured on the top surface of the prefabricated floor layer (31), and the caisson pouring-in-place layer (12), the bearing member (2) and the cast-in-place floor layer (32) are of an integrally formed structure.

6. Caisson connection structure according to claim 5, characterised in that the sides of the floor slabs (31) facing the respective load-bearing elements (2) are provided with floor bottom ribs (33) which project into the load-bearing elements (2).