Deterioration of FRP-to-Concrete Bond under Failure Loading
Characteristics of FRP-to-concrete bond are observed to deteriorate under cyclic loads. Deterioration has been observed under load conditions which result in a stress range in the bonded FRP of only 4% of the material capacity. Current design recommendations and “accepted practice” often neglect thi...
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Veröffentlicht in: | Advances in structural engineering 2006-12, Vol.9 (6), p.779-789 |
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creator | Harries, Kent A. Aidoo, John Zorn, Andrew Quattlebaum, Joshua |
description | Characteristics of FRP-to-concrete bond are observed to deteriorate under cyclic loads. Deterioration has been observed under load conditions which result in a stress range in the bonded FRP of only 4% of the material capacity. Current design recommendations and “accepted practice” often neglect this detrimental effect. The clear effects of bond deterioration under fatigue loading are demonstrated for moderate-scale laboratory specimens and in full-scale specimens recovered from a forty-year old interstate highway bridge. The results suggest additional limit states that must be considered when even relatively small fatigue loads are present. |
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Deterioration has been observed under load conditions which result in a stress range in the bonded FRP of only 4% of the material capacity. Current design recommendations and “accepted practice” often neglect this detrimental effect. The clear effects of bond deterioration under fatigue loading are demonstrated for moderate-scale laboratory specimens and in full-scale specimens recovered from a forty-year old interstate highway bridge. The results suggest additional limit states that must be considered when even relatively small fatigue loads are present.</description><subject>Bonding</subject><subject>Cyclic loads</subject><subject>Deterioration</subject><subject>Fatigue (materials)</subject><subject>Fatigue failure</subject><subject>Highway bridges</subject><subject>Limit states</subject><subject>Structural engineering</subject><issn>1369-4332</issn><issn>2048-4011</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp9kEFPwzAMhSMEEmPwBzj1BFzK7CRNW3GCwQBpEgjBuUpad-rUNSNpD_x7Uo0bUk-27O9Zz4-xS4Rb5AoWKFQuhQCVpvnYSnXEZhxkFktAPGazEYgDwU_ZmfdbAORpijN290g9ucY63Te2i2wdrT7e497GS9uVLuyiB9tV0dBV5KKVbtrBUbS2umq6zTk7qXXr6eKvztnX6ulz-RKv355fl_fruBSZ6GNMwJi8khWB4RwoE2BIgwgDZVCZ4AxrlZpEcECFQqa6IkO1yKTRUGVizq4Pd_fOfg_k-2LX-JLaVndkB1_kiJhwFb6bs6tJkudKJELKAN5MgphmCpVSMKL8gJbOeu-oLvau2Wn3UyAUY_jF__CDaHEQeb2hYmsH14WEphS_QPWCCw</recordid><startdate>20061201</startdate><enddate>20061201</enddate><creator>Harries, Kent A.</creator><creator>Aidoo, John</creator><creator>Zorn, Andrew</creator><creator>Quattlebaum, Joshua</creator><general>SAGE Publications</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>20061201</creationdate><title>Deterioration of FRP-to-Concrete Bond under Failure Loading</title><author>Harries, Kent A. ; Aidoo, John ; Zorn, Andrew ; Quattlebaum, Joshua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-150bb9d4de0b220e830bea034de6b16b3691f67b5320161347adebef384ba0d83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Bonding</topic><topic>Cyclic loads</topic><topic>Deterioration</topic><topic>Fatigue (materials)</topic><topic>Fatigue failure</topic><topic>Highway bridges</topic><topic>Limit states</topic><topic>Structural engineering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Harries, Kent A.</creatorcontrib><creatorcontrib>Aidoo, John</creatorcontrib><creatorcontrib>Zorn, Andrew</creatorcontrib><creatorcontrib>Quattlebaum, Joshua</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Advances in structural engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Harries, Kent A.</au><au>Aidoo, John</au><au>Zorn, Andrew</au><au>Quattlebaum, Joshua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Deterioration of FRP-to-Concrete Bond under Failure Loading</atitle><jtitle>Advances in structural engineering</jtitle><date>2006-12-01</date><risdate>2006</risdate><volume>9</volume><issue>6</issue><spage>779</spage><epage>789</epage><pages>779-789</pages><issn>1369-4332</issn><eissn>2048-4011</eissn><abstract>Characteristics of FRP-to-concrete bond are observed to deteriorate under cyclic loads. Deterioration has been observed under load conditions which result in a stress range in the bonded FRP of only 4% of the material capacity. Current design recommendations and “accepted practice” often neglect this detrimental effect. The clear effects of bond deterioration under fatigue loading are demonstrated for moderate-scale laboratory specimens and in full-scale specimens recovered from a forty-year old interstate highway bridge. The results suggest additional limit states that must be considered when even relatively small fatigue loads are present.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><doi>10.1260/136943306779369446</doi><tpages>11</tpages></addata></record> |
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subjects | Bonding Cyclic loads Deterioration Fatigue (materials) Fatigue failure Highway bridges Limit states Structural engineering |
title | Deterioration of FRP-to-Concrete Bond under Failure Loading |
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