{"id":15126,"date":"2025-09-10T03:27:20","date_gmt":"2025-09-10T03:27:20","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=15126"},"modified":"2025-09-10T03:27:23","modified_gmt":"2025-09-10T03:27:23","slug":"single-girder-crane-main-beam-end-crack-repair","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/zh\/posts\/single-girder-crane-main-beam-end-crack-repair\/","title":{"rendered":"\u5355\u6881\u8d77\u91cd\u673a\u4e3b\u6881\u7aef\u90e8\u88c2\u7eb9\u4fee\u590d"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u76ee\u5f55<\/p><nav><ul><li><a href=\"#crack-cause-analysis\">\u88c2\u7eb9\u539f\u56e0\u5206\u6790<\/a><ul><li><a href=\"#1-stress-concentration\">1.\u5e94\u529b\u96c6\u4e2d<\/a><\/li><li><a href=\"#2-welding-defects\">2.\u710a\u63a5\u7f3a\u9677<\/a><\/li><li><a href=\"#3-fatigue-load\">3.\u75b2\u52b3\u8f7d\u8377<\/a><\/li><li><a 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