Importance

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Abstract

The disclosure provides a vibrating wire compressive stress gauge and stress testing equipment suitable for use in low-temperature environments. By providing a stress trigger sleeve made of elastic material, the concrete structure of the lining itself expands when it is affected by high or low temperatures, extruding the stress trigger sleeve, and the extrusion force is offset through the elastic force of the elastic material, thereby preventing the expansion force from being transmitted to the vibrating wire assembly to generate stress signals that are caused by the self-expansion of the lining structure, which may cause measurement error. Specifically, the vibrating wire assembly is provided in the vibrating wire measurement space composed of a stress trigger sleeve and a pair of anchoring disks. When the lining is subjected to external stress, a certain internal force will be generated.

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First Claim