|
Title |
Experimental Study for the Structural Stability of Permanent Anchor
|
|
Authors |
유남재 ; 박병수 ; 박찬덕 ; 홍영길 ; 이종용 |
|
Keywords |
Permanent anchor ; Ultimate uplift capacity ; Bond length ; Tendon ; 영구앵커 ; 극한인발력 ; 정착길이 ; 텐던 |
|
Abstract |
This paper is an experimental result of performing the prototype of anchor tests in field to investigate the ultimate uplifting capacity of permanent anchor embedded in weathered rock. For prototype of actual anchor test in situ, four grouted anchors having various anchor lengths were installed in field and their ultimate uplift capacities were obtained by analyzing test results of load-displacement curves obtained from field uplift tests. On the other hand, creep tests, applying pull-out loading at the stage of the maximum loading during 15 minutes, were performed to investigate ultimate resisting capacity of anchor so that the values of creep rate at the ultimate loading conditions were evaluated. Dial gauges were installed on the surface of ground to measure the vertical displacement distribution from the anchor so that the failure mechanism of permanent anchor embedded in weathered rock and failure boundary of ground during application of loading were evaluated.
|