Railroad bridge expansion device waterproof performance test system and test method

Abstract

The invention discloses a railroad bridge expansion device waterproof performance test system and test method and relates to the technical field of railroad bridge engineering. The system comprises atest platform system, a test tool system, a water injection and drainage system, a water plugging and sealing system and a test control and data acquisition system, wherein the test tool system is arranged on the test platform system, the test tool system comprises a fixed beam end model and a displacement beam end model which are symmetrically arranged, and a test sample piece is placed between the fixed beam end model and the displacement beam end model; the fixed beam end model and the displacement beam end model are respectively provided with a water plugging sealing system, and a water injection and drainage system is connected between the fixed beam end model and the displacement beam end model; and the test tool system is electrically connected with the test control and data acquisition system. According to the test method based on the system, waterproof performance of the telescopic device in the operation state can be simulated, and the ultimate waterproof capacity and fatigueperformance of the telescopic device can be verified.

Description

technical field [0001] The invention relates to the technical field of railway bridge engineering, in particular to a waterproof performance test system and test method of a railway bridge telescopic device. Background technique [0002] Railway bridge telescopic device means that in order to meet the requirements of bridge deck deformation, telescopic devices are usually installed between two girder ends, between girder ends and abutments, or at the hinged position of bridges; railway bridge telescopic devices need to have certain waterproof performance, in order To ensure its reliable performance, it is necessary to conduct a waterproof performance test before installation and use; the existing test methods for the waterproof performance of railway bridge expansion devices mainly use hydrostatic test methods, which cannot effectively characterize the waterproof performance of railway bridge expansion devices under operating conditions. Contents of the invention [0003] ...

AI Technical Summary

Problems solved by technology

[0002] Railway bridge telescopic device means that in order to meet the requirements of bridge deck deformation, telescopic devices are usually installed between two girder ends, between girder ends and abutments, or at the hinged position of bridges; railway bridge telescopic devices need to have certain waterproof performance, in order To ensure its relia

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