Secondary stress simulation device for repaired buried pipeline and test method

Secondary stress simulation device for repaired buried pipeline and test method

The invention relates to the technical field of buried pipeline performance testing, in particular to a device and a method for simulating secondary stress of a repaired buried pipeline. A device for simulating secondary stress of a repaired buried pipeline comprises a loading frame, the loading fra...

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Hauptverfasser: HUI ERQING, ZHANG HAN, GAO CHAO, DONG SHUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator HUI ERQING
ZHANG HAN
GAO CHAO
DONG SHUN
description The invention relates to the technical field of buried pipeline performance testing, in particular to a device and a method for simulating secondary stress of a repaired buried pipeline. A device for simulating secondary stress of a repaired buried pipeline comprises a loading frame, the loading frame comprises an upper loading plate and a lower bearing plate, the upper loading plate and the lower bearing plate are correspondingly arranged, a to-be-tested pipeline is accommodated between the upper loading plate and the lower bearing plate, a lining is accommodated in the to-be-tested pipeline, and the lining is arranged between the upper loading plate and the lower bearing plate. The inner wall of the to-be-tested pipeline is attached to the outer wall of the lining, and a vertical rod is arranged between the upper loading plate and the lower loading plate; the upper loading plate and the lower loading plate are close to each other or far away from each other in the direction of the vertical rod; the loading
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Secondary stress simulation device for repaired buried pipeline and test method
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