Effects of Randomness of Material Parameters on Crack Failure of Concrete
Concrete is taken as three-phase composites consisting of aggregate, interface and mortar matrix in the paper. The tensile strength and elastic modulus of each phase material are assumed to obey Weibull distribution. A few random aggregate and random parameter models are generated by Monte-Carlo met...
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| Veröffentlicht in: | Key engineering materials 2006, Vol.324-325, p.243-246 |
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| container_title | Key engineering materials |
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| creator | Du, Cheng Bin Ren, Chao Jun Ying, Zong Quan |
| description | Concrete is taken as three-phase composites consisting of aggregate, interface and mortar
matrix in the paper. The tensile strength and elastic modulus of each phase material are assumed to
obey Weibull distribution. A few random aggregate and random parameter models are generated by
Monte-Carlo method. Tensile failure of micro element is described by tension damage model, in
which the stress will be reduced linearly after the stress reaches the maximum tensile strength. The
results show that more cracks of lower homogenous specimens are observed than those of higher
homogenous specimens. The phenomenon of discontinuous cracking is observed in the former, while
strain localization and brittle behavior is observed in the latter. The ultimate load obtained in the
numerical simulation agrees well with that of the test. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.324-325.243 |
| format | Article |
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matrix in the paper. The tensile strength and elastic modulus of each phase material are assumed to
obey Weibull distribution. A few random aggregate and random parameter models are generated by
Monte-Carlo method. Tensile failure of micro element is described by tension damage model, in
which the stress will be reduced linearly after the stress reaches the maximum tensile strength. The
results show that more cracks of lower homogenous specimens are observed than those of higher
homogenous specimens. The phenomenon of discontinuous cracking is observed in the former, while
strain localization and brittle behavior is observed in the latter. The ultimate load obtained in the
numerical simulation agrees well with that of the test.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.324-325.243</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Key engineering materials, 2006, Vol.324-325, p.243-246</ispartof><rights>2006 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2213-5f9f995711853728a7aa3f604dc96320b5753911bb71ea203016e4945fd81ff93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/43?width=600</thumbnail><link.rule.ids>314,776,780,4010,27900,27901,27902</link.rule.ids></links><search><creatorcontrib>Du, Cheng Bin</creatorcontrib><creatorcontrib>Ren, Chao Jun</creatorcontrib><creatorcontrib>Ying, Zong Quan</creatorcontrib><title>Effects of Randomness of Material Parameters on Crack Failure of Concrete</title><title>Key engineering materials</title><description>Concrete is taken as three-phase composites consisting of aggregate, interface and mortar
matrix in the paper. The tensile strength and elastic modulus of each phase material are assumed to
obey Weibull distribution. A few random aggregate and random parameter models are generated by
Monte-Carlo method. Tensile failure of micro element is described by tension damage model, in
which the stress will be reduced linearly after the stress reaches the maximum tensile strength. The
results show that more cracks of lower homogenous specimens are observed than those of higher
homogenous specimens. The phenomenon of discontinuous cracking is observed in the former, while
strain localization and brittle behavior is observed in the latter. The ultimate load obtained in the
numerical simulation agrees well with that of the test.</description><issn>1013-9826</issn><issn>1662-9795</issn><issn>1662-9795</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqVkE1Lw0AQhhdRsFb_Q04ehKT7kU2yR62tFlsU0fMy3c5iarKpuwnFf-9qBc8ehvl6eZl5CLliNMspryb7_T4LpkbX17Y2mcN-8jBbZYLnqeAy47k4IiNWFDxVpZLHsaZMpKrixSk5C2FLqWAVkyOymFmLpg9JZ5NncJuudRh-uhX06Gtokifw0GJs4tglUw_mPZlD3Qwev3XTzhkf1-fkxEIT8OI3j8nrfPYyvU-Xj3eL6fUyNZzHG6RVVilZMlZJUfIKSgBhC5pvjCoEp2tZSqEYW69LhsCpoKzAXOXSbipmrRJjcnnw3fnuY8DQ67YOBpsGHHZD0FxJJipJo_DmIDS-C8Gj1Ttft-A_NaP6m6KOFPUfRR0p6khRR4oxpI4Uo8ntwaT34EKP5k1vu8G7-OF_bL4A49eD4A</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Du, Cheng Bin</creator><creator>Ren, Chao Jun</creator><creator>Ying, Zong Quan</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2006</creationdate><title>Effects of Randomness of Material Parameters on Crack Failure of Concrete</title><author>Du, Cheng Bin ; Ren, Chao Jun ; Ying, Zong Quan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2213-5f9f995711853728a7aa3f604dc96320b5753911bb71ea203016e4945fd81ff93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Cheng Bin</creatorcontrib><creatorcontrib>Ren, Chao Jun</creatorcontrib><creatorcontrib>Ying, Zong Quan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Key engineering materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Cheng Bin</au><au>Ren, Chao Jun</au><au>Ying, Zong Quan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Randomness of Material Parameters on Crack Failure of Concrete</atitle><jtitle>Key engineering materials</jtitle><date>2006</date><risdate>2006</risdate><volume>324-325</volume><spage>243</spage><epage>246</epage><pages>243-246</pages><issn>1013-9826</issn><issn>1662-9795</issn><eissn>1662-9795</eissn><abstract>Concrete is taken as three-phase composites consisting of aggregate, interface and mortar
matrix in the paper. The tensile strength and elastic modulus of each phase material are assumed to
obey Weibull distribution. A few random aggregate and random parameter models are generated by
Monte-Carlo method. Tensile failure of micro element is described by tension damage model, in
which the stress will be reduced linearly after the stress reaches the maximum tensile strength. The
results show that more cracks of lower homogenous specimens are observed than those of higher
homogenous specimens. The phenomenon of discontinuous cracking is observed in the former, while
strain localization and brittle behavior is observed in the latter. The ultimate load obtained in the
numerical simulation agrees well with that of the test.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.324-325.243</doi><tpages>4</tpages></addata></record> |
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| title | Effects of Randomness of Material Parameters on Crack Failure of Concrete |
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