Steel bar truss floor support plate and lap joint manner thereof

Abstract

The invention provides a steel bar truss floor support plate and a lap joint manner thereof, and belongs to the technical field of steel bar truss floor support plates. A lap joint spring bolt and a lap joint lock catch are arranged at two ends of a bottom plate respectively, wherein the lap joint spring bolt is formed by bending and is in a continuous two-U shape, and comprises an upper lap jointmaterial storage section and a lower lap joint material storage section, and the lap joint lock catch is formed by bending and sequentially comprises a lock catch section, an upper sealing section, aside sealing section and a lower sealing section. According to the lap joint manner of the steel bar truss floor support plate, the bottom plates of every two adjacent steel bar truss floor support plates are subjected to clamping and lap joint through the lap joint spring bolt and the lap joint lock catch, and an upper material storage cavity and a lower material storage cavity are formed between the lap joint spring bolt and the lap joint lock catch after lap joint is performed. The lap joint strength is good, the lap joint stability of the steel bar truss floor support plate is greatly improved, the lap joint sealing performance is good, the upper material storage cavity and the lower material storage cavity are formed between the lap joint spring bolt and the lap joint lock catch after lap joint is performed, and mud leakage is avoided.

Description

technical field [0001] The invention relates to the technical field of steel truss floor decks, in particular to a steel bar truss floor deck and an overlapping method thereof. Background technique [0002] The truss formed by using steel bars as the upper chord, lower chord and web members and connected by resistance spot welding is called steel truss, and the composite load-bearing plate that is connected by steel truss and bottom plate by resistance spot welding is called steel truss floor deck. The main advantages of the reinforced truss floor deck: the mechanized production is realized, which is conducive to the uniform arrangement of steel bars and the uniform thickness of the concrete cover, which improves the construction quality of the floor. Accelerate the construction progress, increase the construction safety guarantee, realize civilized construction, and meet the national energy conservation and environmental protection requirements. When in use, the bottom pla...

AI Technical Summary

Problems solved by technology

This type of lap joint method is easy to leak mud when pouring concrete. The main reasons for the mud leakage phenomenon are as follows: 1. The oblique bend is long, and the edge of the fold is not smooth during the processing of the bottom plate. Wavy edge, so that there is a gap when two adjacent base plates are installed

2. Due to the deviation in the width of the raw material, during the processing of the base plate, there is a deviation between the oblique bending length and the design requirements, and there is a gap when two adjacent base plates are connected

3. During the installation process, the two adjacent bottom plates are not tensioned, and there is a gap between the two bottom plates

4. Poor lap strength

The overlapping method has high requirements on the precision of the inner connecting plate 13 and the outer connecting plate 12, and the sealing performance is relatively unsatisfactory.

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