STUDY ON FRACTURE TOUGHNESS AND CRITICAL CRACK LENGTH OF EXISTING STEEL HIGHWAY BRIDGE MEMBERS
In this study, fracture toughness of existing steel highway bridge members was investigated by CTOD and Charpy Impact tests, and critical crack length, at which fatigue crack shifts to the brittle fracture, was discussed. Critical CTOD value, δc became 0.058mm(-30℃) and 0.027mm(-50℃) based on the lo...
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| Veröffentlicht in: | Kou kouzou rombunshuu 2012/03/29, Vol.19(73), pp.73_53-73_64 |
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| container_end_page | 73_64 |
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| container_issue | 73 |
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| container_title | Kou kouzou rombunshuu |
| container_volume | 19 |
| creator | MURAKOSHI, Jun SAWADA, Mamoru |
| description | In this study, fracture toughness of existing steel highway bridge members was investigated by CTOD and Charpy Impact tests, and critical crack length, at which fatigue crack shifts to the brittle fracture, was discussed. Critical CTOD value, δc became 0.058mm(-30℃) and 0.027mm(-50℃) based on the lower value obtained by the CTOD tests (4 bridges) and Charpy impact tests (13 bridges). Based on δc, critical crack length was estimated for fatigue crack growth at web gusset welded joints of steel I-girder bridges. |
| doi_str_mv | 10.11273/jssc.19.73_53 |
| format | Article |
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Critical CTOD value, δc became 0.058mm(-30℃) and 0.027mm(-50℃) based on the lower value obtained by the CTOD tests (4 bridges) and Charpy impact tests (13 bridges). Based on δc, critical crack length was estimated for fatigue crack growth at web gusset welded joints of steel I-girder bridges.</description><identifier>ISSN: 1880-9928</identifier><identifier>EISSN: 1884-0329</identifier><identifier>DOI: 10.11273/jssc.19.73_53</identifier><language>eng ; jpn</language><publisher>Japanese Society of Steel Construction</publisher><subject>Bridges (structures) ; Brittle fracture ; Charpy impact test ; Crack opening displacement ; Crack propagation ; Critical crack length ; Fatigue crack ; Fatigue failure ; Fracture mechanics ; Fracture toughness test ; Highway bridges ; Steel bridge ; Structural steels</subject><ispartof>Kou kouzou rombunshuu, 2012/03/29, Vol.19(73), pp.73_53-73_64</ispartof><rights>2012 Japanese Society of Steel Construction</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids></links><search><creatorcontrib>MURAKOSHI, Jun</creatorcontrib><creatorcontrib>SAWADA, Mamoru</creatorcontrib><title>STUDY ON FRACTURE TOUGHNESS AND CRITICAL CRACK LENGTH OF EXISTING STEEL HIGHWAY BRIDGE MEMBERS</title><title>Kou kouzou rombunshuu</title><addtitle>Kou kouzou rombunshuu</addtitle><description>In this study, fracture toughness of existing steel highway bridge members was investigated by CTOD and Charpy Impact tests, and critical crack length, at which fatigue crack shifts to the brittle fracture, was discussed. Critical CTOD value, δc became 0.058mm(-30℃) and 0.027mm(-50℃) based on the lower value obtained by the CTOD tests (4 bridges) and Charpy impact tests (13 bridges). Based on δc, critical crack length was estimated for fatigue crack growth at web gusset welded joints of steel I-girder bridges.</description><subject>Bridges (structures)</subject><subject>Brittle fracture</subject><subject>Charpy impact test</subject><subject>Crack opening displacement</subject><subject>Crack propagation</subject><subject>Critical crack length</subject><subject>Fatigue crack</subject><subject>Fatigue failure</subject><subject>Fracture mechanics</subject><subject>Fracture toughness test</subject><subject>Highway bridges</subject><subject>Steel bridge</subject><subject>Structural steels</subject><issn>1880-9928</issn><issn>1884-0329</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkM1PgzAAxYnRxEV39dyjF2a7Am2PjHVAZJBAie5iU6AoC_uQbgf_ezdnvHp57yXvl3d4lvWA4AShKcFPa2PqCWITgqWLr6wRotSxIZ6y658Mbcam9NYaG9NVEDqeQzHBI-utEOV8BbIULHI_EGXOgcjKMEp5UQA_nYMgj0Uc-Mkp-MEzSHgaighkC8Bf40LEaQgKwXkCojiMXvwVmOXxPORgyZcznhf31k2reqPHv35nlQsugshOsvC8aq-Ri6nNapc1mlVN5TRUMawoQh6qGqhQrSjFLau1dpHSLdN1gxtFGGUOZG4LSeMxD99Zj5fd_bD7PGpzkJvO1Lrv1VbvjkYiQj1ECPbo_6jrIAdS5pIT6l_QtTmody33Q7dRw5dUw6Grey3Pn0vE5Onzi7r4r6s_1CD1Fn8DTSF2Qw</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>MURAKOSHI, Jun</creator><creator>SAWADA, Mamoru</creator><general>Japanese Society of Steel Construction</general><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20130101</creationdate><title>STUDY ON FRACTURE TOUGHNESS AND CRITICAL CRACK LENGTH OF EXISTING STEEL HIGHWAY BRIDGE MEMBERS</title><author>MURAKOSHI, Jun ; SAWADA, Mamoru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j1538-9c59de9bdb4d8a93a81161bd0a1ca883f9cee51aef9ecd3da79894095f07d6963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2013</creationdate><topic>Bridges (structures)</topic><topic>Brittle fracture</topic><topic>Charpy impact test</topic><topic>Crack opening displacement</topic><topic>Crack propagation</topic><topic>Critical crack length</topic><topic>Fatigue crack</topic><topic>Fatigue failure</topic><topic>Fracture mechanics</topic><topic>Fracture toughness test</topic><topic>Highway bridges</topic><topic>Steel bridge</topic><topic>Structural steels</topic><toplevel>online_resources</toplevel><creatorcontrib>MURAKOSHI, Jun</creatorcontrib><creatorcontrib>SAWADA, Mamoru</creatorcontrib><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Kou kouzou rombunshuu</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MURAKOSHI, Jun</au><au>SAWADA, Mamoru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>STUDY ON FRACTURE TOUGHNESS AND CRITICAL CRACK LENGTH OF EXISTING STEEL HIGHWAY BRIDGE MEMBERS</atitle><jtitle>Kou kouzou rombunshuu</jtitle><addtitle>Kou kouzou rombunshuu</addtitle><date>2013-01-01</date><risdate>2013</risdate><volume>19</volume><issue>73</issue><spage>73_53</spage><epage>73_64</epage><pages>73_53-73_64</pages><issn>1880-9928</issn><eissn>1884-0329</eissn><abstract>In this study, fracture toughness of existing steel highway bridge members was investigated by CTOD and Charpy Impact tests, and critical crack length, at which fatigue crack shifts to the brittle fracture, was discussed. Critical CTOD value, δc became 0.058mm(-30℃) and 0.027mm(-50℃) based on the lower value obtained by the CTOD tests (4 bridges) and Charpy impact tests (13 bridges). Based on δc, critical crack length was estimated for fatigue crack growth at web gusset welded joints of steel I-girder bridges.</abstract><pub>Japanese Society of Steel Construction</pub><doi>10.11273/jssc.19.73_53</doi><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 1880-9928 |
| ispartof | Kou kouzou rombunshuu, 2012/03/29, Vol.19(73), pp.73_53-73_64 |
| issn | 1880-9928 1884-0329 |
| language | eng ; jpn |
| recordid | cdi_proquest_miscellaneous_1786177368 |
| source | J-STAGE Free |
| subjects | Bridges (structures) Brittle fracture Charpy impact test Crack opening displacement Crack propagation Critical crack length Fatigue crack Fatigue failure Fracture mechanics Fracture toughness test Highway bridges Steel bridge Structural steels |
| title | STUDY ON FRACTURE TOUGHNESS AND CRITICAL CRACK LENGTH OF EXISTING STEEL HIGHWAY BRIDGE MEMBERS |
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