CN201217872Y

CN201217872Y - Prefabricated stacking floor

Info

Publication number: CN201217872Y
Application number: CNU2008200902373U
Authority: CN
Inventors: 刘文清; 姜洪斌; 耿永常; 阎红缨
Original assignee: Heilongjiang Yuhui New Building Materials Co Ltd
Current assignee: Heilongjiang Yuhui New Building Materials Co Ltd
Priority date: 2008-06-18
Filing date: 2008-06-18
Publication date: 2009-04-08
Anticipated expiration: 2018-06-18

Abstract

The utility model relates to a precast superposition floor plate. The current cast-in-place floor plate construction adopts a complicated construction method of a mould supporting plate, a binding steel bar and cast-in-place concrete. The precast superposition floor plate comprises a precast concrete bottom plate (1), a post-cast superposition layer (2), an interface connecting steel bar girder (3) and plate end bulges (4), wherein the precast concrete bottom plate (1) comprises all plate bottom reinforcing bars (5) of the floor plate, the plate end bulges (4) are distributed along the edge of the plate, the interface connecting steel bar girder (3) is a welding steel bar girder mode and is correspondingly matched with the plate end bulges (4), the interface connecting steel bar girder (3) is partially buried in the precast concrete bottom plate (1) in advance and is partially exposed out of the top surface of the bottom plate, and the exposed part of the interface connecting steel bar girder (3) from the bottom plate is cast in the post-cast superposition layer (2). The precast superposition floor plate is produced by adopting a precast superposition floor plate method and is constructed by adopting a site hanging installation and post-cast superposition layer method, the connecting performance of the constructing process is reliable, the construction quality is easy to ensure, and the support and stress continuity of the floor plate is good.

Description

Prefabricated laminated floor slab

One, technical field:

The utility model relates to the prefabricated laminated floor slab of the precast concrete that is suitable for housing industrialization.

Two, background technology:

In concrete building structures, except beam column shear wall main body load-carrying members, also has this main bearing member of a large amount of concrete floors, according to traditional building structure mode of construction, traditional form of construction work that these floors generally adopt integral cast-in-situ or lay prefabricated hollow floor, wherein cast-in-situ floor has the advantage that globality is strong, stress performance is good, but construction is comparatively complicated, the on-the-spot complicated construction mode that substantially also adopts a template, assembling reinforcement, cast-in-place concrete.Though and the prefabricated hollow floor easy construction, globality is relatively poor.

Construction mode according to housing industrialization, agent structure such as beam column shear wall etc. adopt precast concrete, structural element is divided into the structural portion product according to certain mode, the structural portion product are prefabrication, the job site adopts lifting to install, therefore the form of construction work of concrete floor also should be suitable for this mode of construction of agent structure, just can make the construction of concrete floor satisfy the base program of fabricated construction worker method.

Three, summary of the invention:

The purpose of this utility model provides a kind of prefabricated laminated floor slab, and it is complicated that this prefabricated laminated floor slab is used to solve the construction of available coagulation Tulou plate, the bad problem of stressed property.

The technical scheme that its technical problem that solves the utility model adopts is:

This prefabricated laminated floor slab by the precast concrete base plate, after water overlapping layers, interface connecting reinforcement truss and plate distal process and go out to form, the precast concrete base plate contains arrangement of reinforcement at the bottom of whole plates of floor, goes out along panel edges installation plate distal process; Interface connecting reinforcement truss is the welded reinforcement truss form, it goes out corresponding configuration with the plate distal process, connecting reinforcement truss part in interface is embedded in the precast concrete base plate in advance, and part is exposed the end face of base plate, waters in the overlapping layers after the part that interface connecting reinforcement truss exposes base plate is cast in.

The Lower Half of the interface connecting reinforcement truss in the such scheme is embedded in the precast concrete base plate in advance, and the first half exposes the end face of base plate.

Plate distal process in the such scheme goes out to be the outstanding position of the level of plate end when concrete prefabricated that the plate distal process goes out to reserve the reserved steel bar gap in braced structures, arranges that along plate opposite side edge one determining deviation is corresponding bearing length is the outstanding length of plate.

Plate distal process in the such scheme goes out corresponding setting of opposite side at the precast concrete base plate.Described interface connecting reinforcement truss is bidirectional arrangements in length and breadth.

Beneficial effect:

1, the utility model is suitable for the construction characteristics of housing industrialization, adopt the method production, on-site hoisting of prefabricated laminated floor slab install and after water overlapping layers mode construct, the building course switching performance is reliable, construction quality is easy to guarantee, all disadvantages of original form of construction work have fully been avoided, site operation environment and condition are improved greatly, and speed of application is accelerated greatly.

2, arrangement of reinforcement extend out to panel edges at the bottom of the non-plate distal process of the utility model went out the plate of position precast concrete base plate, this position with after water overlapping layers fluid concrete simultaneously, and by and the mutual anchoring of reserved steel bar of braced structures, the bearing globality of stiffener; When contiguous prefabricated laminated floor slab is supported in same braced structures, reserve certain installation between two plates and adjust the slit, this moment, the plate distal process went out half for the braced structures width, and plate negative reinforcement herein can be crossed over braced structures and arrange, thereby realized the support and the stressed continuity of plate.

3, the utility model helps environmental protection and energy saving, is suitable for extensive construction, helps reducing construction cost, saves construction fund.

Four, description of drawings:

Fig. 1 is the front view of prefabricated laminated floor slab;

Fig. 2 is the vertical view of prefabricated laminated floor slab;

Fig. 3 is a syndeton schematic diagram between adjacent prefabricated laminated floor slab.

Watering overlapping layers 3 interface connecting reinforcement truss 4 plate distal process behind the 1 precast concrete base plate 2 goes out

Arrangement of reinforcement 6 braced structuress 7 braced structures reserved steel bars 8 contiguous prefabricated laminated floor slabs at the bottom of 5 plates

Five, the specific embodiment:

Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing:

Embodiment 1:

As Fig. 1, Fig. 2, shown in Figure 3, prefabricated laminated floor slab by precast concrete base plate 1, interface connecting reinforcement truss 3, plate distal process go out 4, after water overlapping layers 2 and form, precast concrete base plate 1 contains arrangement of reinforcement 5 at the bottom of whole plates of floor, go out 4 along the certain pitch arrangement plate of panel edges distal process, the plate distal process goes out 4 and is the outstanding position of the level of plate end when concrete prefabricated, the plate distal process goes out to reserve the reserved steel bar gap in braced structures, and bearing length is the outstanding length of plate.Interface connecting reinforcement truss 3 is the welded reinforcement truss form, and interface connecting reinforcement truss 3 Lower Halves are embedded in precast concrete base plate 1 in advance, and the first half exposes the end face of base plate 1.Arrangement of reinforcement 5, interface connecting reinforcement truss 3 and plate distal process go out 4 integral prefabricated in factory at the bottom of precast concrete base plate 1 and the plate thereof, be that arrangement of reinforcement 5 has been disposed at when prefabricated in the precast concrete base plate 1 at the bottom of the latter half of interface connecting reinforcement truss 3 and the plate, the job site adopts lifting to install.After water overlapping layers 2 be prefabricated in the factory at above-mentioned ingredient finish, lift to braced structures, and lay after water the back cast that finishes of arrangement of reinforcement in the overlapping layers and equipment installation, after being cast in, the first half that cast rear interface connecting reinforcement truss 3 exposes the precast concrete base plate waters in the overlapping layers 2, play connect precast concrete base plate 1 and after water overlapping layers 2 concrete, interface shearing-resistance effect, and play frame riser top arrangement of reinforcement and stiffener distal process simultaneously and go out 4 effect, increase precast concrete base plate 1 rigidity.

The construction of use the utility model, when the field by using lifting is installed, the corresponding plate distal process that is provided with of the opposite side of precast concrete base plate 1 goes out 4 and can be supported in peripheral structure, arrangement of reinforcement 5 had certain length in reserve at the bottom of non-plate distal process went out the plate at position, and with the reserved steel bar 7 mutual lapping and anchorings of braced structures 6, after colligation configuration plate top reinforcing bar and the installation apparatus pipeline, this position with after water overlapping layers 2 simultaneously during fluid concrete, cast becomes integral body, then the supporting condition of plate can satisfy fixed requirement, has strengthened the bearing globality of plate.When contiguous prefabricated laminated floor slab 8 is supported in same braced structures 6, reserve certain installation between two plates and adjust the slit, the plate distal process went out 4 and was half of braced structures width this moment, and plate negative reinforcement herein can be crossed over braced structures and arrange, thereby realizes the support and the stressed continuity of plate.

When the pre-erection lifting is supported in braced structures; the plate distal process go out 4 and the interface connecting reinforcement truss 3 of interior configuration play the effect of interim gripper shoe surface construction load; non-plate distal process goes out the bearing length that also there is braced structures protective layer thickness size at the position, can guarantee the safety of construction period of prefabricated laminated floor slab.A small amount of interim support also can be set under plate when span of slab or plate surface construction load are big.

But the prefabricated laminated floor slab of the utility model is installed according to stress performance, room-size, the design of production and transport lifting ability piecemeal, piecemeal.

The utility model interface connecting reinforcement truss 3 is bidirectional arrangements in length and breadth, and each that strengthen prefabricated superimposed sheet is to rigidity.

Claims

1, a kind of prefabricated laminated floor slab, it is characterized in that: this prefabricated laminated floor slab by precast concrete base plate (1), after water overlapping layers (2), interface connecting reinforcement truss (3) and plate distal process and go out (4) and form, precast concrete base plate (1) contains arrangement of reinforcement (5) at the bottom of whole plates of floor, goes out (4) along panel edges installation plate distal process; Interface connecting reinforcement truss (3) is the welded reinforcement truss form, it goes out (4) corresponding configuration with the plate distal process, interface connecting reinforcement truss (3) part is embedded in precast concrete base plate (1) in advance, part is exposed the end face of base plate, waters in the overlapping layers (2) after the part that interface connecting reinforcement truss (3) exposes base plate is cast in.

2, prefabricated laminated floor slab according to claim 1 is characterized in that: the Lower Half of described interface connecting reinforcement truss (3) is embedded in precast concrete base plate (1) in advance, and the first half exposes the end face of base plate.

3, prefabricated laminated floor slab according to claim 1 and 2, it is characterized in that: described plate distal process goes out (4) and is the outstanding position of the level of plate end when concrete prefabricated, the plate distal process goes out (4) and reserves reserved steel bar gap in braced structures, arrange that along plate opposite side edge one determining deviation is corresponding bearing length is the outstanding length of plate.

4, prefabricated laminated floor slab according to claim 1 and 2 is characterized in that: described plate distal process goes out (4) corresponding setting of opposite side at precast concrete base plate (1).

5, according to claim 1 or 2 or 3 or 4 described prefabricated laminated floor slabs, it is characterized in that: described interface connecting reinforcement truss (3) is bidirectional arrangements in length and breadth.