{"id":29047,"date":"2026-07-16T23:39:07","date_gmt":"2026-07-16T15:39:07","guid":{"rendered":"http:\/\/www.jdcui.com\/?p=29047"},"modified":"2026-07-17T00:04:39","modified_gmt":"2026-07-16T16:04:39","slug":"%e8%ae%ba%e6%96%87journal-axial-restraint-effects-on-the-cyclic-performance-and-elongation-behavior-of-t-shaped-rc-beams-experimental-and-numerical-investigations","status":"publish","type":"post","link":"http:\/\/www.jdcui.com\/?p=29047","title":{"rendered":"[\u8bba\u6587][Journal] Axial restraint effects on the cyclic performance and elongation behavior of T-shaped RC beams: Experimental and numerical investigations"},"content":{"rendered":"<p><span style=\"color: #ff00ff; background-color: #ccffcc;\"><strong>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002<\/strong><\/span><\/p>\n<hr \/>\n<p><span style=\"color: #333399;\">\u5e08\u5f1f \u9648\u71b9\u4fca \u53d1\u8868\u7684\u4e00\u7bc7\u8bba\u6587\uff0c\u8f74\u5411\u7ea6\u675f\u6548\u5e94\u5bf9T\u5f62\u94a2\u7b4b\u6df7\u51dd\u571f\u6881\u5faa\u73af\u6027\u80fd\u53ca\u4f38\u957f\u884c\u4e3a\u5f71\u54cd\u7684\u8bd5\u9a8c\u4e0e\u6570\u503c\u7814\u7a76\uff0c\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u770b\u770b\u3002<\/span><\/p>\n<table style=\"height: 337px; width: 100%;\">\n<tbody>\n<tr style=\"height: 40px;\">\n<td style=\"width: 23.2359%; height: 45px;\">\u3010\u82f1\u6587\u9898\u76ee\u3011<\/td>\n<td style=\"width: 130.111%; height: 45px;\"><strong>Axial restraint effects on the cyclic performance and elongation behavior of T-shaped RC beams: Experimental and numerical investigations<\/strong><\/p>\n<p>\u8f74\u5411\u7ea6\u675f\u5bf9 T \u5f62\u94a2\u7b4b\u6df7\u51dd\u571f\u6881\u5faa\u73af\u6027\u80fd\u548c\u4f38\u957f\u884c\u4e3a\u7684\u5f71\u54cd\uff1a\u8bd5\u9a8c\u4e0e\u6570\u503c\u7814\u7a76<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"width: 23.2359%; height: 37px;\">\u3010\u82f1\u6587\u4f5c\u8005\u3011<\/td>\n<td style=\"width: 130.111%; height: 37px;\"><span class=\"fontstyle0\">Xi-Jun Chen <sup>a b<\/sup>,Xiao-Lei Han <sup>a b<\/sup>,Gui-Rui Lin <sup>a b<\/sup>,Jing Ji <sup>a b<\/sup>, <strong>Ji-Dong Cui<\/strong><sup> c<\/sup><\/span><\/td>\n<\/tr>\n<tr style=\"height: 37px;\">\n<td style=\"width: 23.2359%; height: 12px;\">\u3010\u5355\u4f4d\u3011<\/td>\n<td style=\"width: 130.111%; height: 12px;\">\n<dl class=\"affiliation\">\n<dt><sup>a<\/sup>State Key Laboratory of Subtropical Building and Urban Science, South China University of Technology, Guangzhou, China<\/dt>\n<\/dl>\n<dl class=\"affiliation\">\n<dt><sup>b<\/sup>School of Civil Engineering and Transportation, South China University of Technology, Guangzhou, China<\/dt>\n<\/dl>\n<dl class=\"affiliation\">\n<dt><sup>c<\/sup>China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd, Guangzhou, China<\/dt>\n<\/dl>\n<\/td>\n<\/tr>\n<tr style=\"height: 167px;\">\n<td style=\"width: 23.2359%; height: 10px;\">\u3010Abstract\u3011<\/td>\n<td style=\"width: 130.111%; height: 10px;\">To investigate the cyclic performance and axial elongation behavior of T-shaped RC beams under axial restraint, three full-scale specimens with a shear-span ratio of 4 were tested under quasi-static cyclic loading, including one unrestrained specimen and two restrained specimens with low and high axial restraint levels. The results showed that both axial elongation and residual elongation ratio decreased with increasing restraint stiffness, indicating stronger suppression of the unrecoverable residual component than the recoverable geometric component. Beam elongation under restraint generated restraint-induced axial compression, which increased with restraint stiffness and enhanced flexural capacity. The backbone curves exhibited post-yield hardening due to restraint-induced axial compression, together with asymmetric responses caused by slab action, with higher peak lateral loads and more gradual post-peak strength degradation under negative loading. The maximum restraint-induced axial compression reached 576\u202fkN, and the maximum overstrength ratio reached 96%, suggesting that axial restraint may significantly influence beam-end force demands and force redistribution in RC frames. Axial restraint also enhanced lateral stiffness and energy dissipation capacity, with cumulative energy dissipation increasing by 21% and 42% for the low- and high-restraint specimens, respectively. ABAQUS finite-element models were established and validated against the tests, with maximum errors of less than 11% for peak lateral load and 17% for axial elongation. Numerical analyses further indicated that restrained T-shaped beams may be evaluated as compression-bending members for flexural capacity assessment, although this simplification cannot reproduce the full hysteretic response. Further validation is needed to extend these findings beyond the investigated specimens and restraint conditions.<\/p>\n<p>\u4e3a\u7814\u7a76\u8f74\u5411\u7ea6\u675f\u4e0b T \u5f62\u94a2\u7b4b\u6df7\u51dd\u571f\u6881\u7684\u5faa\u73af\u6027\u80fd\u548c\u8f74\u5411\u4f38\u957f\u884c\u4e3a\uff0c\u8fdb\u884c\u4e86 3 \u4e2a\u526a\u8de8\u6bd4\u4e3a 4 \u7684\u8db3\u5c3a\u8bd5\u4ef6\u62df\u9759\u529b\u5faa\u73af\u52a0\u8f7d\u8bd5\u9a8c\uff0c\u5305\u62ec 1 \u4e2a\u65e0\u7ea6\u675f\u8bd5\u4ef6\u548c 2 \u4e2a\u5206\u522b\u5177\u6709\u4f4e\u3001\u9ad8\u8f74\u5411\u7ea6\u675f\u6c34\u5e73\u7684\u7ea6\u675f\u8bd5\u4ef6\u3002\u7ed3\u679c\u8868\u660e\uff0c\u968f\u7740\u7ea6\u675f\u521a\u5ea6\u589e\u5927\uff0c\u8f74\u5411\u4f38\u957f\u548c\u6b8b\u4f59\u4f38\u957f\u7387\u5747\u51cf\u5c0f\uff0c\u8bf4\u660e\u8f74\u5411\u7ea6\u675f\u5bf9\u4e0d\u53ef\u6062\u590d\u6b8b\u4f59\u5206\u91cf\u7684\u6291\u5236\u4f5c\u7528\u5f3a\u4e8e\u5bf9\u53ef\u6062\u590d\u51e0\u4f55\u5206\u91cf\u7684\u6291\u5236\u4f5c\u7528\u3002\u7ea6\u675f\u6761\u4ef6\u4e0b\u6881\u4f38\u957f\u4f1a\u4ea7\u751f\u7ea6\u675f\u8bf1\u5bfc\u8f74\u538b\uff0c\u8be5\u8f74\u538b\u968f\u7ea6\u675f\u521a\u5ea6\u589e\u5927\u800c\u589e\u5927\uff0c\u5e76\u63d0\u9ad8\u6881\u7684\u53d7\u5f2f\u627f\u8f7d\u529b\u3002\u9aa8\u67b6\u66f2\u7ebf\u56e0\u7ea6\u675f\u8bf1\u5bfc\u8f74\u538b\u8868\u73b0\u51fa\u5c48\u670d\u540e\u5f3a\u5316\uff0c\u540c\u65f6\u53d7\u697c\u677f\u4f5c\u7528\u5f71\u54cd\u5448\u73b0\u4e0d\u5bf9\u79f0\u54cd\u5e94\uff0c\u8d1f\u5411\u52a0\u8f7d\u4e0b\u5cf0\u503c\u4fa7\u5411\u8377\u8f7d\u66f4\u9ad8\u3001\u5cf0\u540e\u5f3a\u5ea6\u9000\u5316\u66f4\u7f13\u3002\u6700\u5927\u7ea6\u675f\u8bf1\u5bfc\u8f74\u538b\u8fbe\u5230 576 kN\uff0c\u6700\u5927\u8d85\u5f3a\u6bd4\u8fbe\u5230 96%\uff0c\u8868\u660e\u8f74\u5411\u7ea6\u675f\u53ef\u80fd\u663e\u8457\u5f71\u54cd\u94a2\u7b4b\u6df7\u51dd\u571f\u6846\u67b6\u4e2d\u7684\u6881\u7aef\u5185\u529b\u9700\u6c42\u548c\u5185\u529b\u91cd\u5206\u5e03\u3002\u8f74\u5411\u7ea6\u675f\u8fd8\u63d0\u9ad8\u4e86\u4fa7\u5411\u521a\u5ea6\u548c\u8017\u80fd\u80fd\u529b\uff0c\u4f4e\u7ea6\u675f\u548c\u9ad8\u7ea6\u675f\u8bd5\u4ef6\u7684\u7d2f\u8ba1\u8017\u80fd\u5206\u522b\u589e\u52a0 21% \u548c 42%\u3002\u7814\u7a76\u5efa\u7acb\u4e86 ABAQUS \u6709\u9650\u5143\u6a21\u578b\u5e76\u901a\u8fc7\u8bd5\u9a8c\u9a8c\u8bc1\uff0c\u5cf0\u503c\u4fa7\u5411\u8377\u8f7d\u6700\u5927\u8bef\u5dee\u5c0f\u4e8e 11%\uff0c\u8f74\u5411\u4f38\u957f\u6700\u5927\u8bef\u5dee\u5c0f\u4e8e 17%\u3002\u6570\u503c\u5206\u6790\u8fdb\u4e00\u6b65\u8868\u660e\uff0c\u53d7\u7ea6\u675f T \u5f62\u6881\u53ef\u4f5c\u4e3a\u538b\u5f2f\u6784\u4ef6\u8fdb\u884c\u53d7\u5f2f\u627f\u8f7d\u529b\u8bc4\u4f30\uff0c\u4f46\u8be5\u7b80\u5316\u65b9\u6cd5\u4e0d\u80fd\u518d\u73b0\u5b8c\u6574\u6ede\u56de\u54cd\u5e94\uff1b\u76f8\u5173\u7ed3\u8bba\u4ecd\u9700\u5728\u66f4\u591a\u8bd5\u4ef6\u548c\u7ea6\u675f\u6761\u4ef6\u4e0b\u8fdb\u4e00\u6b65\u9a8c\u8bc1\u3002<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 23.2359%; height: 25px;\">\u3010Keywords\u3011<\/td>\n<td style=\"width: 130.111%; height: 25px;\">\n<div id=\"kwrd0010\" class=\"keyword\">T-shaped RC beam<span style=\"font-family: inherit; font-size: inherit;\">;\u00a0<\/span>Beam elongation<span style=\"font-family: inherit; font-size: inherit;\">;\u00a0<\/span>Axial restraint<span style=\"font-family: inherit; font-size: inherit;\">;\u00a0<\/span>Cyclic loading<span style=\"font-family: inherit; font-size: inherit;\">;\u00a0<\/span>Finite-element simulation<\/div>\n<div>T\u5f62\u94a2\u7b4b\u6df7\u51dd\u571f\u6881\uff1b\u6881\u4f38\u957f\uff1b\u8f74\u5411\u7ea6\u675f\uff1b\u5faa\u73af\u52a0\u8f7d\uff1b\u6709\u9650\u5143\u6a21\u62df<\/div>\n<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 23.2359%; height: 25px;\">\u3010\u57fa\u91d1\u8d44\u52a9\u3011<\/td>\n<td style=\"width: 130.111%; height: 25px;\">\n<div id=\"kwrd0010\" class=\"keyword\">\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\uff0852378515\uff09\uff1b\u5e7f\u4e1c\u7701\u79d1\u6280\u8ba1\u5212\u9879\u76ee\uff082023A1111120027\uff09<\/div>\n<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 23.2359%; height: 10px;\">\u3010\u671f\u520a\u680f\u76ee\u3011<\/td>\n<td style=\"width: 130.111%; height: 10px;\">&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-29050\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2026\/07\/cov200h.gif\" alt=\"\" width=\"217\" height=\"289\" \/><\/p>\n<p>Journal of Building Engineering<\/p>\n<p>Date: 1 July 2026<\/p>\n<p>Article: 116860<\/p>\n<p>Volume: Volume 129<\/p>\n<p>&nbsp;<\/p>\n<p>Published by<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-29052\" src=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2026\/07\/elsevier.png\" alt=\"\" width=\"68\" height=\"75\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u3010\u4e0b\u8f7d (download)\u3011\uff1a<a href=\"http:\/\/www.jdcui.com\/wp-content\/uploads\/2026\/07\/Axial-restraint-effects-on-the-cyclic-performance-and-elongation-behavior-of-T-shaped-RC-beams_-Experimental-and-numerical-investigations.pdf\">Axial restraint effects on the cyclic performance and elongation behavior of T-shaped RC beams_ Experimental and numerical investigations.pdf<\/a><\/strong><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><span style=\"font-size: 14pt; background-color: #999999; color: #000000;\"><strong>\u5173\u4e8e\u6211\u4eec<\/strong><\/span><\/p>\n<p style=\"text-align: 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style=\"text-align: center;\">E-mail\uff1ajidong_cui@163.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u5e72\u3001\u5b9e\u8df5\u3001\u79ef\u7d2f\u3001\u601d\u8003\u3001\u521b\u65b0\u3002 \u5e08\u5f1f \u9648\u71b9\u4fca \u53d1\u8868\u7684\u4e00\u7bc7\u8bba\u6587\uff0c\u8f74\u5411\u7ea6\u675f\u6548\u5e94\u5bf9T\u5f62\u94a2\u7b4b\u6df7\u51dd\u571f\u6881\u5faa\u73af\u6027\u80fd\u53ca\u4f38\u957f\u884c\u4e3a\u5f71\u54cd\u7684\u8bd5\u9a8c\u4e0e\u6570\u503c\u7814\u7a76\uff0c\u611f\u5174\u8da3\u7684\u53ef\u4ee5\u770b\u770b\u3002 \u3010\u82f1\u6587\u9898\u76ee\u3011 Axial restraint effects on the cyclic performance and elongation behavior of T-shaped RC beams: Experimental and numerical investigations \u8f74\u5411\u7ea6\u675f\u5bf9 T \u5f62\u94a2\u7b4b\u6df7\u51dd\u571f\u6881\u5faa\u73af\u6027\u80fd\u548c\u4f38\u957f\u884c\u4e3a\u7684\u5f71\u54cd\uff1a\u8bd5\u9a8c\u4e0e\u6570\u503c\u7814\u7a76 \u3010\u82f1\u6587\u4f5c\u8005\u3011 Xi-Jun Chen a &#8230;<\/p>\n","protected":false},"author":1,"featured_media":29054,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[384],"tags":[4512,4511,385,4514,4513],"class_list":["post-29047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper","tag-elsevier","tag-journal-of-building-engineering","tag-385","tag-4514","tag-4513"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"CJD\"\/>\n\t<meta name=\"keywords\" content=\"elsevier,journal of building engineering,\u8bba\u6587,\u8f74\u5411\u4f38\u957f,\u8f74\u5411\u7ea6\u675f\u6548\u5e94\" \/>\n\t<link rel=\"canonical\" href=\"http:\/\/www.jdcui.com\/?p=29047\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<script type=\"application\/ld+json\" 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