Marine environment and dynamic load coupling test equipment system

Abstract

The invention discloses a marine environment and dynamic load coupling test equipment system, which comprises marine environment simulation environment box equipment (1) and an electro-hydraulic servo dynamic and static testing machine (2), wherein the electro-hydraulic servo dynamic and static testing machine comprises a testing machine loading head which applies power load to a test piece, a dynamic load control circuit and an electronic control cabinet; the electronic control cabinet is used for providing saline water and compressed air for a saline water spraying device; the electronic control cabinet is connected with the saline water spraying device via an air pipe and a water pipe; the test piece is fixedly arranged on a test piece support in the body of the marine environment simulation environment box; and the test piece is subjected to loading compression, stretching and bending deformation loading under different environments of saline water dipping, saline water fluctuation and saline water atomization. According to the marine environment and dynamic load coupling test equipment system disclosed by the invention, dynamic load as well as the environments of saline water dipping, saline water fluctuation and saline water atomization can be simultaneously provided for the experiment test piece, the characteristics of marine structure service under the marine environment conditions, such as marine underwater areas, water table fluctuation areas, splash areas and the like, can be simulated.

Description

technical field [0001] The invention relates to a marine environment and dynamic load coupling test equipment system, which can simulate the actual service condition of the marine structure in the marine corrosive environment and the dynamic load acts simultaneously, and can be used for the simulation test of the actual service state of the structural components of cross-sea bridges and seaport wharves , can be used as a test equipment for the safety and durability evaluation of marine structures, and can be applied to scientific research, production and appraisal in the field of marine structures. Background technique [0002] At present, a large number of cross-sea bridges and seaport terminals have been built in China. With the increase of service life, most of these structures have local damage such as steel bar corrosion and component fracture under the joint action of the marine environment and loads, and some structures even have partial structural collapse. Severe da...

AI Technical Summary

Problems solved by technology

[0004] (1) The current research does not consider the actual service conditions of the engineering structure, and only designs the load test from the perspective of theoretical research. Part of the seawater environment immersion or spraying is carried out after unloading, or alternately, and the load and environmental erosion are not fully considered. Coupling effect;

[0005] (2) The research is limited to indoor tests and lacks understanding of the long-term durability of actual projects. Most of the research results only come to the qualitative expression of the external stress level on the chloride ion penetration resistance of concrete, and it is impossible to establish the relationship between the rapid test and the long-term durability of actual projects. Quantitative relationship between

[0006] Generally speaking, the existing test methods cannot represent the actual engineering status, and the research results need to be further deepened before they can be used to guide the design and construction of actual projects, and more systematic and detailed research work is needed

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