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Lateral Load Test on the Bar-type Anti-buoyancy Anchors in the Weathered Rock  

Park, Chan-Duk (강원대학교 토목공학과)
Lee, Kyu-Hwan (건양대학교 토목시스템공학과)
Ryu, Nam-Jae (강원대학교 토목공학과)
Lee, Song (서울시립대학교 토목공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.8, no.4, 2004 , pp. 165-174 More about this Journal
Abstract
This study is about a horizontal load test of buoyance anchor installed in the section where underground water level happens in the depth of 5m under the ground when the ground is excavated, because the section as a excavation section of high speed railway ${\bigcirc}{\bigcirc}$ station is near a rivers and because the section always has a reservoir of full water level on the left. Therefore, in this study we will appraise the long-term stability of the structure permanently being taken buoyance by the underground water level, through the spot test of the buoyance anchor installed in the section where underground water level happens. For that, Bar Type anchor is used, which can get enough pulling-out force by a method to resist buoyance by using friction force against the ground by high strength steel rod or steel wire. Anti-buoyance anchor is installed on the bottom slab of underground structure being taken horizontal force by the braking and accelerating of high speed train. And, It is aimed to analyze and grasp the review result of stability for the horizontal force that happens at the parking and stopping of high speed train, by executing horizontal load test for the grasping of the movements characteristic of buoyance anchor.
Keywords
Buoyance Anchor; Bar Type Anchor; Lateral Load Test;
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