Steel bar binding method for beam-slab combination part of large-span laminated slab

Abstract

The invention relates to the technical field of prefabricated part assembly, in particular to a steel bar binding method for a beam-slab combination part of a large-span laminated slab, which comprises the following steps of: firstly, preliminarily binding reinforcing bars of beam steel bars to obtain a structural framework, binding the reinforcing bars at the bottom of the structural framework, putting the structural framework into an erected beam template, mounting a beam-penetrating steel sleeve on the structural framework, and then, mounting a beam-penetrating steel sleeve on the structural framework; then hoisting operation of the laminated slabs is carried out, the laminated slabs are hoisted on the two sides of the structural frame, after the laminated slabs are hoisted in place, pre-burying of water and electricity pipelines is carried out, after hoisting of the laminated slabs is completed, corresponding reinforcing bars are bound to the top of the structural frame, finally laminated slab surface ribs are bound to the upper portion of the whole structural frame, and after binding is completed, the water and electricity pipelines are pre-buried; according to the technical scheme, bottom reinforcing bars are bound firstly, top reinforcing bars are bound after the laminated slab is hoisted, the construction efficiency is improved, quality control is good, and a better guarantee is provided for safe and civilized construction.

Description

Technical Field

[0001] The present invention relates to the technical field of precast component assembly, and particularly to a steel bar binding method for the combined part of a large-span composite slab and a beam. Background Art

[0002] The composite floor slab is composed of a precast part and a cast-in-place part. At present, during the construction of the prefabricated composite slab, the concrete part of the composite slab needs to penetrate 1 cm into the beam body. When binding the stress-bearing steel bars of the beam part, the horizontal steel bars of the composite slab need to pass under the longitudinal bars at the top of the beam, and the stress-bearing bars at the beam-column joint are relatively dense, which often brings great inconvenience to the installation construction of the composite slab. At the same time, there are steel sleeves passing through the beam in the beam, and the sleeves cannot be installed after the composite slab is hoisted. Therefore, the non-standard situations that cannot be remedied caused by the positioning and binding of the longitudinal bars and stirrups in the upper part of the beam are everywhere.

[0003] Therefore, it is extremely urgent to avoid the conflict problem between the horizontal bars of the composite slab and the longitudinal bars of the beam during the installation of the composite slab. Summary of the Invention

[0004] The purpose of the present invention is to provide a steel bar binding method for the combined part of a large-span composite slab and a beam, so as to solve the problem that during the hoisting process of the composite slab, the reserved horizontal bars of the composite slab conflict with the post-cast frame beam and the upper longitudinal bars and cannot be hoisted into place.

[0005] To achieve the above purpose, the present invention provides a steel bar binding method for the combined part of a large-span composite slab and a beam. The steel bar binding method for the combined part of a large-span composite slab and a beam includes the following steps:

[0006] Fabricate the steel bar reinforcement of the beam, and perform preliminary binding on the steel bar reinforcement of the beam to obtain a structural framework;

[0007] After binding the reinforcement at the bottom of the structural framework, place it into the pre-erected beam formwork, and install a steel sleeve passing through the beam on the structural framework;

[0008] Conduct the hoisting operation of the composite slab, hoist the composite slab on both sides of the structural framework, and when the composite slab is hoisted in place, embed the water and electricity pipelines;

[0009] After the hoisting of the composite slab is completed, bind the corresponding reinforcement at the top of the structural framework;

[0010] Bind the top surface reinforcement of the composite slab above the whole of the structural framework. After the binding is completed, pour concrete above the top surface reinforcement of the composite slab.

[0011] Among them, in the step of "fabricating the steel bar reinforcement of the beam", the fabricated reinforcement includes structural steel bars, stirrups, longitudinal bottom steel bars, and upper longitudinal steel bars of the beam.

[0012] Among them, the specific content of the step "preliminarily bind the reinforcement of the beam reinforcement to obtain a structural framework" is to evenly bind multiple stirrups to the structural reinforcement, and the positions of the stirrups need to be staggered from the positions of the horizontal bars of the folded slab top reinforcement to be bound later, so as to obtain a structural framework.

[0013] Among them, in the step "preliminarily bind the reinforcement of the beam reinforcement", when binding multiple stirrups, the positions of the subsequent steel sleeves passing through the beam need to be avoided.

[0014] Among them, in the step "carry out the hoisting operation of the composite slab and hoist the composite slab on both sides of the structural framework", the composite slabs located on both sides of the structural framework are all arranged at the top of the beam formwork.

[0015] Among them, in the step "after the hoisting of the composite slab is completed, bind the corresponding reinforcement on the top of the structural framework", binding the corresponding reinforcement on the top of the structural framework specifically means binding the longitudinal bars at the upper part of the beam at the top of the structural framework.

[0016] A method for binding steel bars at the combined part of a large-span composite slab and beam of the present invention first preliminarily binds the reinforcement of the beam reinforcement to obtain a structural framework. After binding the reinforcement at the bottom of the structural framework, it is placed into the already set beam formwork, and a steel sleeve passing through the beam is installed on the structural framework. Then, carry out the hoisting operation of the composite slab, hoist the composite slab on both sides of the structural framework, and when the composite slab is in place after hoisting, carry out the embedding of the water and electricity pipelines. After the hoisting of the composite slab is completed, bind the corresponding reinforcement on the top of the structural framework. Finally, bind the top reinforcement of the composite slab above the whole of the structural framework. After binding, pour concrete above the top reinforcement of the composite slab. By adopting this technical solution, the binding of the bottom reinforcement is carried out first, and the binding of the top reinforcement is carried out after the hoisting of the composite slab is completed. At the same time, the positioning and fixing problem during the embedding of the steel sleeve passing through the beam is also solved, and this method improves the construction efficiency and has good quality control, providing better guarantee for safe and civilized construction. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a flow chart of the steps of the method for binding steel bars at the combined part of a large-span composite slab and beam provided by the present invention.

[0019] Figure 2 It is a construction schematic diagram of step S1 provided by the present invention.

[0020] Figure 3 It is the construction schematic diagram of step S2 provided by the present invention.

[0021] Figure 4 It is the construction schematic diagram of step S3 provided by the present invention.

[0022] Figure 5 It is the construction schematic diagram of step S4 provided by the present invention.

[0023] Figure 6 It is the construction schematic diagram of step S5 provided by the present invention. Detailed implementation manners

[0024] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0025] Please refer to Figures 1 to 6 , the present invention provides a steel bar binding method for the beam-slab joint of a long-span composite slab. The steel bar binding method for the beam-slab joint of the long-span composite slab includes the following steps:

[0026] S1: Fabricate the steel bar reinforcement of the beam and perform preliminary binding on the steel bar reinforcement of the beam to obtain a structural framework (as Figure 2 shown);

[0027] S2: After binding the reinforcement at the bottom of the structural framework, place it into the already erected beam formwork, and install a beam-through steel casing on the structural framework (as Figure 3 shown);

[0028] S3: Carry out the hoisting operation of the composite slab, hoist the composite slab on both sides of the structural framework, and when the composite slab is hoisted in place, embed the water and electricity pipelines (as Figure 4 shown);

[0029] S4: After the hoisting of the composite slab is completed, bind the corresponding reinforcement at the top of the structural framework (as Figure 5 shown);

[0030] S5: Bind the top surface reinforcement of the composite slab above the whole of the structural framework. After binding, pour concrete above the top surface reinforcement of the composite slab (as Figure 6 shown).

[0031] In this embodiment, first, the reinforcement bars of the beam are preliminarily tied to obtain a structural framework. After tying the reinforcement at the bottom of the structural framework, it is placed into the pre-erected beam formwork, and a steel sleeve passing through the beam is installed on the structural framework. Then, the hoisting operation of the composite slab is carried out. The composite slab is hoisted on both sides of the structural framework. After the composite slab is hoisted in place, the embedded installation of the water and electricity pipelines is carried out. After the hoisting of the composite slab is completed, the corresponding reinforcement is tied at the top of the structural framework. Finally, the top surface reinforcement of the composite slab is tied above the overall structural framework. After tying is completed, concrete is poured above the top surface reinforcement of the composite slab. By adopting this technical solution, the tying of the bottom reinforcement is carried out first, and the tying of the top reinforcement is carried out after the hoisting of the composite slab is completed. At the same time, the problem of positioning and fixing during the embedded installation of the steel sleeve passing through the beam is also solved. Moreover, this method improves the construction efficiency and has good quality control, providing better guarantee for safe and civilized construction.

[0032] Further, in the step of "fabricating the reinforcement bars of the beam", the fabricated reinforcement bars include structural reinforcement bars, stirrups, longitudinal bottom reinforcement bars, and longitudinal upper reinforcement bars of the beam.

[0033] Further, the specific content of the step of "preliminarily tying the reinforcement bars of the beam to obtain a structural framework" is that multiple stirrups are evenly tied to the structural reinforcement bars, and the positions of the stirrups need to be staggered from the positions of the horizontal reinforcement bars of the top surface reinforcement of the subsequent folded slab to obtain a structural framework.

[0034] Further, in the step of "preliminarily tying the reinforcement bars of the beam", when tying multiple stirrups, the positions of the subsequent steel sleeves passing through the beam need to be avoided.

[0035] Further, in the step of "carrying out the hoisting operation of the composite slab and hoisting the composite slab on both sides of the structural framework", the composite slabs located on both sides of the structural framework are both arranged at the top of the beam formwork.

[0036] Further, in the step of "after the hoisting of the composite slab is completed, tying the corresponding reinforcement at the top of the structural framework", tying the corresponding reinforcement at the top of the structural framework specifically means tying the longitudinal upper reinforcement bars of the beam at the top of the structural framework.

[0037] The above-disclosed is only a preferred embodiment of the present invention. Of course, the scope of the rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the invention.

Claims

1. A method for tying steel bars at the joint of a beam and a slab of a large-span composite slab, characterized in that: The steps include: Make the reinforcement of the beam reinforcement and perform preliminary binding of the reinforcement of the beam reinforcement to obtain the structural frame; After tying the reinforcement at the bottom of the structural frame, put it into the already supported beam formwork, and install the beam steel casing on the structural frame; Carry out the hoisting operation of the composite plate, hoist the composite plate on both sides of the structural frame, and when the composite plate is hoisted in place, pre-bury the water and electricity pipelines; After the composite slab is hoisted, tie the corresponding reinforcement on the top of the structural frame; The composite slab reinforcement is tied on the top of the entire structural frame. After the tying is completed, concrete is poured on the top of the composite slab reinforcement.

2. The method for tying steel bars at the joint of a large-span composite slab beam and slab according to claim 1, characterized in that: In the step "Preparing the reinforcement of the beam reinforcement", the reinforcement prepared includes structural reinforcement, stirrups, longitudinal bottom reinforcement and longitudinal reinforcement of the upper part of the beam.

3. The method for tying steel bars at the joint of a large-span composite slab beam and slab as claimed in claim 2, characterized in that: The specific content of the step "and preliminarily tying the reinforcement of the beam reinforcement to obtain a structural frame" is to evenly tie a plurality of stirrups on the structural reinforcement, and the positions of the stirrups need to be staggered with the positions of the horizontal bars of the folded plate surface bars that are subsequently tied, so as to obtain the structural frame.

4. The method for tying steel bars at the joint of a large-span composite slab beam and slab as claimed in claim 3, characterized in that: In the step "preliminary binding of the beam reinforcement", when tying multiple stirrups, the position of the subsequent beam steel casing must be avoided.

5. The method for tying steel bars at the joint of a beam and a slab of a large-span composite slab as claimed in claim 4, characterized in that: In the step of "carrying out hoisting operation of the composite plate and hoisting the composite plate on both sides of the structural frame", the composite plates located on both sides of the structural frame are arranged on the top of the beam formwork.

6. The method for tying steel bars at the joint of a beam and a slab of a large-span composite slab as claimed in claim 5, characterized in that: In the step "after the composite slab is hoisted, tie the corresponding reinforcement at the top of the structural frame", tying the corresponding reinforcement at the top of the structural frame specifically refers to tying the upper longitudinal reinforcement of the beam at the top of the structural frame.

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