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Load testing of anchors for wire mesh and cable net rockfall slope protection systems
This study presents results of field tests conducted on anchors used to support wire mesh and cable net rockfall protection systems. The load transfer and failure characteristics of these anchors are different from those used in most civil applications in that loads are often applied transversely to...
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Published in: | Engineering geology 2005-07, Vol.79 (3), p.162-176 |
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Language: | English |
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container_title | Engineering geology |
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creator | Shu, Shanzhi Muhunthan, Balasingam Badger, Thomas C. Grandorff, Robert |
description | This study presents results of field tests conducted on anchors used to support wire mesh and cable net rockfall protection systems. The load transfer and failure characteristics of these anchors are different from those used in most civil applications in that loads are often applied transversely to the top of tendon rather than axially. The study included vertical as well as horizontal series of tests conducted on some anchors widely used in wire mesh and cable net rockfall protect systems. It was found that the deformation characteristics of these anchors under vertical loading are nonlinear. They are approximated by a hyperbolic formulation and used to calculate the ultimate capacity. Top-downward progressive cracking of the grout was observed during loading and influences the deformation characteristics of these anchors under horizontal loading. The anchors deflected excessively before they could attain their ultimate capacity in the horizontal direction. Based on the field tests, it appears that the deformation under horizontal loading in the systems can be limited by using an enlarged grout zone at the top. |
doi_str_mv | 10.1016/j.enggeo.2005.01.008 |
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The load transfer and failure characteristics of these anchors are different from those used in most civil applications in that loads are often applied transversely to the top of tendon rather than axially. The study included vertical as well as horizontal series of tests conducted on some anchors widely used in wire mesh and cable net rockfall protect systems. It was found that the deformation characteristics of these anchors under vertical loading are nonlinear. They are approximated by a hyperbolic formulation and used to calculate the ultimate capacity. Top-downward progressive cracking of the grout was observed during loading and influences the deformation characteristics of these anchors under horizontal loading. The anchors deflected excessively before they could attain their ultimate capacity in the horizontal direction. 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Retaining walls</subject><subject>Exact sciences and technology</subject><subject>Field test</subject><subject>Geotechnics</subject><subject>Hyperbolic load-displacement curve</subject><subject>Rockfall</subject><subject>Ultimate capacity</subject><subject>Wire mesh</subject><issn>0013-7952</issn><issn>1872-6917</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNp9kE1P3DAQhi1UpG6Bf9CDL-0tYewk_rggVai0lVbiAmfL2JPF22y8eAKIf49Xi9RbT6OZeefjfRj7KqAVINTltsV5s8HcSoChBdECmBO2EkbLRlmhP7EVgOgabQf5mX0h2h5SAL1i9-vsI1-QljRveB65n8NjLsTHXPhrKsh3SI-1GnnwDxPyGRdecvg7-mniNOU98n3JC4Yl5ZnTGy24o3N2WvuEFx_xjN3f_Ly7_t2sb3_9uf6xbnxnYWlMp5UyfTQ6dFFr5Y2SYKwUAwo_BGNtxF72WstobPShRyFQ9maQDzhIGLoz9v24t77w9FxNuF2igNPkZ8zP5KQZlLJKVWF_FIaSiQqObl_Szpc3J8AdGLqtOzJ0B4YOhKsM69i3j_2egp_GUukk-jerrFQG-qq7Ouqwmn1JWByFhHPAWAmGxcWc_n_oHc0oiIc</recordid><startdate>20050711</startdate><enddate>20050711</enddate><creator>Shu, Shanzhi</creator><creator>Muhunthan, Balasingam</creator><creator>Badger, Thomas C.</creator><creator>Grandorff, Robert</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20050711</creationdate><title>Load testing of anchors for wire mesh and cable net rockfall slope protection systems</title><author>Shu, Shanzhi ; Muhunthan, Balasingam ; Badger, Thomas C. ; Grandorff, Robert</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a390t-8376684d87c3d776a862089215e1a5c899de424772d89dac4e11e24852be52053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Anchor</topic><topic>Applied sciences</topic><topic>Buildings. 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subjects | Anchor Applied sciences Buildings. Public works Earthwork. Foundations. Retaining walls Exact sciences and technology Field test Geotechnics Hyperbolic load-displacement curve Rockfall Ultimate capacity Wire mesh |
title | Load testing of anchors for wire mesh and cable net rockfall slope protection systems |
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