{"id":2688,"date":"2016-04-25T01:35:10","date_gmt":"2016-04-24T17:35:10","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=2688"},"modified":"2026-02-19T10:38:59","modified_gmt":"2026-02-19T02:38:59","slug":"opensees-concrete04-material-test","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=2688","title":{"rendered":"OpenSees Concrete04 Material Test"},"content":{"rendered":"<p>Concrete04\u53d7\u538b\u90e8\u5206\u7684\u5305\u7edc\u7ebf\u91c7\u7528Popovics (1973) \u63d0\u51fa\u7684\u5355\u8c03\u8377\u8f7d\u4e0b\u7684\u5e94\u529b\u2014\u5e94\u53d8\u5173\u7cfb\uff0c\u5e76\u6839\u636eKarsan-Jirsa\u52a0\u5378\u8f7d\u51c6\u5219\u786e\u5b9a\u5176\u52a0\u5378\u8f7d\u521a\u5ea6\uff08\u7ebf\u6027\uff09\uff1b\u53d7\u62c9\u90e8\u5206\u7684\u5305\u7edc\u7ebf\u7531\u7ebf\u6027\u4e0a\u5347\u6bb5\u548c\u6307\u6570\u4e0b\u964d\u6bb5\u7ec4\u6210\uff0c\u5176\u52a0\u5378\u8f7d\u4e0e\u518d\u52a0\u8f7d\u521a\u5ea6\u53d6\u5176\u4e0e\u539f\u70b9\u7684\u5272\u7ebf\u521a\u5ea6\u3002(<span style=\"color: #0000ff;\">Concrete is\u00a0a uniaxial Popovics concrete material object with degraded linear unloading\/reloading stiffness according to the work of Karsan-Jirsa and tensile strength with exponential decay.<\/span>)<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u6750\u6599\u53c2\u6570\uff08<span style=\"color: #0000ff;\">Material Parameters<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 20px;\">fc\uff1a\u6df7\u51dd\u571f28\u5929\u6297\u538b\u5f3a\u5ea6\uff08<span style=\"color: #0000ff;\">concrete compressive strength at 28 days<\/span> \uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">ec\uff1a\u6df7\u51dd\u571f\u5cf0\u503c\u5f3a\u5ea6\u5bf9\u5e94\u7684\u5e94\u53d8\uff0c\u5373fc\u5bf9\u5e94\u7684\u5e94\u53d8\uff08<span style=\"color: #0000ff;\">concrete strain at maximum strength<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">Ec\uff1a\u521d\u59cb\u521a\u5ea6\uff08<span style=\"color: #0000ff;\">initial stiffness<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">fct\uff1a\u6df7\u51dd\u571f\u6297\u62c9\u5f3a\u5ea6\uff08c<span style=\"color: #0000ff;\">oncrete tensile strength<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">et\uff1a\u6df7\u51dd\u571f\u6781\u9650\u62c9\u5e94\u53d8\uff08<span style=\"color: #0000ff;\">ultimate tensile strain of concrete<\/span>\uff09\uff1b<\/p>\n<p style=\"padding-left: 20px;\">beta\uff1a\u5e94\u53d8\u8fbe\u5230etu\u65f6\u62c9\u5e94\u529b\u4e0e\u5cf0\u503c\u62c9\u5e94\u529b\u7684\u6bd4\u503c\uff08<span style=\"color: #0000ff;\">the exponential curve patameter to define the residual stress at etu<\/span>\uff09\u3002<\/p>\n<ul style=\"list-style-type: square;\">\n<li style=\"line-height: 1.5;\"><strong>\u6d4b\u8bd5\uff08<span style=\"color: #0000ff;\">Test<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2689\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-material.png\" alt=\"con04-material\" width=\"465\" height=\"363\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2690\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-ten.png\" alt=\"con04-ten\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-ten.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-ten-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2691\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-comp.png\" alt=\"con04-comp\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-comp.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-comp-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2692\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-comp-ten.png\" alt=\"con04-comp-ten\" width=\"540\" height=\"357\" srcset=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-comp-ten.png 842w, http:\/\/www.jdcui.com\/wp-content\/uploads\/2016\/04\/con04-comp-ten-768x508.png 768w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u53c2\u8003\uff08<span style=\"color: #0000ff;\">References<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p><strong>[1] <a href=\"http:\/\/opensees.berkeley.edu\/wiki\/index.php\/Concrete04_Material_--_Popovics_Concrete_Material\">Concrete04<\/a><\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u7a0b\u5e8f\u4e0b\u8f7d (<span style=\"color: #0000ff;\">Program Download<\/span>)<\/strong><\/li>\n<\/ul>\n<p><strong><a href=\"http:\/\/www.jdcui.com\/?p=2571\" target=\"_blank\" rel=\"noopener noreferrer\">[Tool][\u8f6f\u4ef6] OpenSees Material Test [OpenSees\u5355\u8f74\u6750\u6599\u6d4b\u8bd5\u5de5\u5177]<\/a><\/strong><\/p>\n<p>\uff08<span style=\"color: #ff00ff;\"><strong> PS.\u00a0<\/strong><em>\u7a0b\u5e8f\u514d\u8d39\u4e0b\u8f7d \uff0c\u6b22\u8fce\u5927\u5bb6\u7ed9\u6211\u63d0\u610f\u89c1 \uff0c\u656c\u8bf7\u5c0a\u91cd\u52b3\u52a8\u6210\u679c<\/em><\/span> \uff09<\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u76f8\u5173\u8bdd\u9898\u00a0<span style=\"color: #0000ff;\">( Related Topics)<\/span><\/strong><\/li>\n<\/ul>\n<p><strong>[1]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2703\">OpenSees Concrete06 Material Test<\/a><\/strong><\/p>\n<p><strong>[2]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2696\">OpenSees ConcreteD Material Test<\/a><\/strong><\/p>\n<p><strong>[3]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2688\">OpenSees Concrete04 Material Test<\/a><\/strong><\/p>\n<p><strong>[4]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2573\">OpenSees Concrete02 Material Test<\/a><\/strong><\/p>\n<p><strong>[5]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2673\">OpenSees Concrete01 Material Test<\/a><\/strong><\/p>\n<p><strong>[6]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2668\">OpenSees RambergOsgoodSteel Material Test<\/a><\/strong><\/p>\n<p><strong>[7]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2567\">OpenSees Steel02 Material Test<\/a><\/strong><\/p>\n<p><strong>[8]\u00a0<a class=\"row-title\" href=\"http:\/\/www.jdcui.com\/?p=2603\">OpenSees Steel01 Material Test<\/a><\/strong><\/p>\n<ul style=\"list-style-type: square;\">\n<li><strong>\u5907\u6ce8\uff08<span style=\"color: #0000ff;\">Comments<\/span>\uff09<\/strong><\/li>\n<\/ul>\n<p><span style=\"color: #ff00ff;\">\u611f\u8c22 <em>\u6797\u4e50\u658c<\/em> \u5e08\u5f1f \u5e2e\u5fd9\u6574\u7406\u6587\u6863\u3002<\/span><\/p>\n<p><center><div  class=\"thumbs-rating-container\" id=\"thumbs-rating-2688\" data-content-id=\"2688\"><button class=\"thumbs-rating-up thumbs-rating-voted\" onclick=\"thumbs_rating_vote(2688, 1);\">Vote Up +19<\/button> <button class=\"thumbs-rating-down\" onclick=\"thumbs_rating_vote(2688, 2);\">Vote Down -0<\/button><span class=\"thumbs-rating-already-voted\">You already voted!<\/span><\/div><\/center><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Concrete04\u53d7\u538b\u90e8\u5206\u7684\u5305\u7edc\u7ebf\u91c7\u7528Popovics (1973) \u63d0\u51fa\u7684\u5355\u8c03\u8377\u8f7d\u4e0b\u7684\u5e94\u529b\u2014\u5e94\u53d8\u5173\u7cfb\uff0c\u5e76\u6839\u636eKarsan-Jirsa\u52a0\u5378\u8f7d\u51c6\u5219\u786e\u5b9a\u5176\u52a0\u5378\u8f7d\u521a\u5ea6\uff08\u7ebf\u6027\uff09\uff1b\u53d7\u62c9\u90e8\u5206\u7684\u5305\u7edc\u7ebf\u7531\u7ebf\u6027\u4e0a\u5347\u6bb5\u548c\u6307\u6570\u4e0b\u964d\u6bb5\u7ec4\u6210\uff0c\u5176\u52a0\u5378\u8f7d\u4e0e\u518d\u52a0\u8f7d\u521a\u5ea6\u53d6\u5176\u4e0e\u539f\u70b9\u7684\u5272\u7ebf\u521a\u5ea6\u3002(Concrete is\u00a0a uniaxial Popovics concrete material object with degraded linear unloading\/reloading stiffness according to the work of Karsan-Jirsa and tensile strength with exponential decay.) \u6750\u6599\u53c2\u6570\uff08Material Parameters\uff09 fc\uff1a\u6df7\u51dd\u571f28\u5929\u6297\u538b\u5f3a\u5ea6\uff08concrete compressive &#8230;<\/p>\n","protected":false},"author":1,"featured_media":2691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[157,100,3,254,5],"tags":[244,363,352,261,348],"class_list":["post-2688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earthquake-engineering-","category-fem-","category-opensees","category-reinforced-concrete-","category-structural-engineering","tag-concrete","tag-concrete04","tag-mattest","tag-opensees","tag-os"],"aioseo_notices":[],"views":4245,"_links":{"self":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/2688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2688"}],"version-history":[{"count":0,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/posts\/2688\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=\/wp\/v2\/media\/2691"}],"wp:attachment":[{"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2688"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jdcui.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}