A high-strength bolt damping gasket device and installation method for on-site splicing of corrugated steel plate bridges and culverts

Abstract

A high-strength bolt shock-absorbing washer device for on-site splicing of corrugated steel plate bridges and culverts, including high-damping rubber composite gaskets installed on both sides of corrugated steel plates through bolts and nuts. The steel sheet interlayer and the high-damping rubber layer of the inner disk are laminated and pressed. The high-damping rubber layer of the inner disk is closely attached to the corrugated steel plate. The initial tightening scale line of the pre-tightening torque is set, and the middle position of the steel sheet interlayer is provided with a pointer pointing vertically to the initial tightening scale line. The rubber compression thickness of the high damping rubber layer of the inner disc. The invention can improve the phenomena of deformation and stress concentration at the crest or trough of the corrugated steel plate, reduce the processing and construction procedures of gaskets, and ensure the anti-seismic force performance of the bolted joints of the corrugated steel plate bridge and culvert structure.

Description

technical field [0001] The invention belongs to the technical field of practical engineering application of buildings and civil engineering, is suitable for bolted joints of corrugated steel plate structures, relates to the mechanical properties and stress distribution of high-damping rubber materials, and specifically relates to a high-strength bolt-reducing bolt used for on-site splicing of corrugated steel plate bridges and culverts. Shock pad device and installation method. Background technique [0002] Prefabricated corrugated steel plate bridges and culverts are widely used because of their excellent adaptability to cold regions and plateau pastoral areas, and are in the ascendant. It has the advantages of high strength, fast assembly, low labor cost, strong climate adaptability, and guaranteed quality. However, during the service period, due to problems such as assembly and splicing errors in key nodes connected by high-strength bolts, the quality of on-site construc...

AI Technical Summary

Problems solved by technology

[0006] In view of the role and deficiency of traditional corrugated steel plate gaskets in actual engineering, in order to overcome the above-mentioned shortcomings of the prior art and solve the problems of poor adaptability and cumbersome construction procedures of traditional corrugated steel plate gaskets, the purpose of the present invention is to provide a The high-strength bolt shock-absorbing gasket device is used for on-site splicing of corrugated steel plate bridges and culverts, and the corresponding arrangement method is provided. From the two aspects of material and structure, it can improve the deformation of corrugated steel plate wave peaks or troughs caused by poor fit of traditional gaskets At the same time, the processing and construction procedures of the gasket are reduced, and the seismic performance of the bolted joints of the corrugated steel plate bridge and culvert structure is guaranteed, which provides convenience for actual engineering.

Images