{"id":2971,"date":"2011-06-12T23:06:00","date_gmt":"2011-06-12T15:06:00","guid":{"rendered":"http:\/\/www.jiafanglei.com\/?p=2971"},"modified":"2022-06-12T23:06:46","modified_gmt":"2022-06-12T15:06:46","slug":"%e4%bb%a5%e7%94%b5%e5%8e%82%e4%b8%bb%e5%8e%82%e6%88%bf%e4%b8%ba%e4%be%8b-%e6%8c%89%e7%be%8e%e6%a0%87%e5%88%a4%e6%96%ad%e6%8a%97%e9%9c%87%e4%b8%8d%e8%a7%84%e5%88%99","status":"publish","type":"post","link":"http:\/\/www.jiafanglei.com\/en\/archives\/2971","title":{"rendered":"\u4ee5\u7535\u5382\u4e3b\u5382\u623f\u4e3a\u4f8b \u6309\u7f8e\u6807\u5224\u65ad\u6297\u9707\u4e0d\u89c4\u5219"},"content":{"rendered":"\n<p>\u200b<strong>1 \u4e3b\u5382\u623f\u7ed3\u6784\u5f62\u5f0f\u4ecb\u7ecd<\/strong><\/p>\n\n\n\n<p>\u706b\u529b\u53d1\u7535\u5382\u4e3b\u5382\u623f\u901a\u5e38\u91c7\u7528\u6846\u6392\u67b6\u7ec4\u5408\u7ed3\u6784\u4f53\u7cfb\uff0c\u5176\u4e2d\u4e00\u90e8\u5206\u4e3a\u591a\u5c42\u6846\u67b6\uff0c\u53e6\u4e00\u90e8\u5206\u4e3a\u5355\u5c42\u6392\u67b6\u5927\u7a7a\u95f4\uff08\u56fe 1-1\uff0c\u672c\u6587\u4f8b\u9898\u6a21\u578b\uff09\uff0c\u6216\u8005\u5efa\u7acb\u5728\u591a\u5c42\u6846\u67b6\u4e0a\u7684\u6392\u67b6\u5927\u7a7a\u95f4\uff08\u56fe 1-2\uff09\u4f53\u7cfb\u3002\u8fd9\u79cd\u7ed3\u6784\u4f53\u7cfb\u5e03\u7f6e\u590d\u6742\uff0c\u8377\u8f7d\u591a\u6837\uff0c\u7ed3\u6784\u6574\u4f53\u6297\u9707\u6027\u80fd\u8f83\u5dee\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-809131544fa14c54dba55d15dad5e187_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 1-1 \u4e3b\u5382\u623f\u5256\u9762\u56fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-5085b36b341dfaa80a3398592c069bde_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 1-2 \u4e3b\u5382\u623f\u5256\u9762\u56fe<\/figcaption><\/figure>\n\n\n\n<p><strong>2 \u4e3b\u5382\u623f\u7ed3\u6784\u4f53\u7cfb\u7279\u70b9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4e3b\u5382\u623f\u6c34\u5e73\u548c\u7ad6\u5411\u7ed3\u6784\u5e03\u7f6e\u4e0d\u5747\u5300<\/li><li>\u4fa7\u5411\u521a\u5ea6\u5206\u5e03\u4e0d\u5747\u5300\uff0c\u6392\u67b6\u90e8\u5206\u521a\u5ea6\u5c0f\u4e8e\u6846\u67b6\u90e8\u5206\u521a\u5ea6<\/li><li>\u7ed3\u6784\u8d28\u5fc3\u548c\u521a\u5fc3\u4e0d\u91cd\u5408\uff0c\u504f\u5fc3\u5927<\/li><li>\u6846\u67b6\u90e8\u5206\u4e0e\u6392\u67b6\u90e8\u5206\u5b58\u5728\u9519\u5c42<\/li><li>\u8377\u8f7d\u6309\u7167\u5de5\u827a\u9700\u6c42\u5e03\u7f6e\uff0c\u5206\u5e03\u6781\u4e0d\u5747\u5300<\/li><\/ul>\n\n\n\n<p>\u4e24\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u7ed3\u6784\u5f62\u5f0f\uff0c\u4ece\u6297\u9707\u6982\u5ff5\u4e0a\u8bb2\u5e94\u8bbe\u7f6e\u6297\u9707\u7f1d\uff0c\u5206\u6210\u4e24\u4e2a\u72ec\u7acb\u7684\u7ed3\u6784\u4f53\u7cfb\u3002\u800c\u5b9e\u9645\u4e0a\u7531\u4e8e\u5386\u53f2\u539f\u56e0\u548c\u590d\u6742\u7684\u5de5\u827a\u9700\u6c42\uff0c\u5927\u90e8\u5206\u4e3b\u5382\u623f\u90fd\u5f3a\u884c\u5c06\u4e24\u79cd\u7ed3\u6784\u5f62\u5f0f\u5408\u5e76\uff0c\u4f5c\u4e3a\u4e00\u4e2a\u7a7a\u95f4\u6574\u4f53\u8fdb\u884c\u7ed3\u6784\u8bbe\u8ba1\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u8bbe\u8ba1\u4eba\u5458\u53ea\u80fd\u6839\u636e\u5de5\u7a0b\u7ecf\u9a8c\u548c\u6297\u9707\u6982\u5ff5\u5bf9\u7ed3\u6784\u7684\u8584\u5f31\u90e8\u5206\u8fdb\u884c\u52a0\u5f3a\uff0c\u7f3a\u4e4f\u8db3\u591f\u7684\u89c4\u8303\u652f\u6301\u3002<\/p>\n\n\n\n<p><strong>3 \u9879\u76ee\u4ecb\u7ecd<\/strong><\/p>\n\n\n\n<p>\u672c\u6587\u7684\u5206\u6790\u6a21\u578b\u662f\u4ece\u67d0\u5c0f\u578b\u71c3\u7164\u7535\u5382\u94a2\u7ed3\u6784\u4e3b\u5382\u623f\u7b80\u5316\u800c\u6765\uff0c\u4fdd\u7559\u7ed3\u6784\u4e3b\u4f53\u7279\u5f81\uff0c\u5ffd\u7565\u6b21\u8981\u56e0\u7d20\uff0c\u7136\u540e\u4f7f\u7528\u8f6f\u4ef6 Staad pro \u5bf9\u7b80\u5316\u6a21\u578b\u6309\u7167 ASCE7-16 \u8fdb\u884c\u4e0d\u89c4\u5219\u5224\u65ad\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-2d09f755a44116a3d4b5127a218c7d77_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 3-1<\/figcaption><\/figure>\n\n\n\n<p>\u672c\u7b80\u5316\u6a21\u578b\u5efa\u7b51\u7269\u5e73\u9762\u5c3a\u5bf8\u4e3a 31m\uff08\u6a2a\u5411\uff09x77m\uff08\u7eb5\u5411\uff09\u3002\u6c7d\u673a\u623f\u4e3a\u5355\u5c42\u5355\u5761\u6392\u67b6\u7ed3\u6784\uff0c\u8de8\u5ea6 21.2m\uff0c\u5c4b\u9876\u6700\u9ad8\u5904\u6807\u9ad8 20.7m\u3002\u9664\u6c27\u7164\u4ed3\u95f4\u4e3a 5 \u5c42\u5355\u8de8\u6846\u67b6\u7ed3\u6784\uff0c\u5404\u5c42\u6807\u9ad8\u5206\u522b\u4e3a\uff1a\u4e00\u5c42 4.3m\uff0c\u4e8c\u5c42 8m\uff0c\u4e09\u5c42 15.3m\uff0c\u56db\u5c42 20.7m\uff0c\u5c4b\u9762\u5c42 28m\uff0c\u8de8\u5ea6 9.8m\uff0c\u5176\u4e2d\u4e00\u3001\u4e8c\u3001\u4e09\u3001\u4e94\u5c42\u662f\u73b0\u6d47\u6df7\u51dd\u571f\u697c\u677f\uff0c\u7ed3\u6784\u4f53\u7cfb\u6a2a\u5411\u4e3a\u53d7\u5f2f\u6846\u6392\u67b6\u7ed3\u6784\uff0c\u7eb5\u5411\u4e3a\u652f\u6491\u6846\u67b6\u7ed3\u6784\uff0c\u67f1\u811a\u53cc\u5411\u94f0\u63a5\u3002<\/p>\n\n\n\n<p>\u867d\u7136\u4e0d\u89c4\u5219\u5224\u65ad\u4e0e\u5730\u9707\u70c8\u5ea6\u65e0\u5173\uff0c\u4f46\u672c\u6587\u4e3a\u4e86\u5c55\u793a\u4e0d\u89c4\u5219\u5224\u65ad\u540e\u6240\u9700\u8981\u91c7\u53d6\u7684\u52a0\u5f3a\u63aa\u65bd\uff0c\u5047\u5b9a\u4e86\u6297\u9707\u8bbe\u8ba1\u53c2\u6570\u5982\u4e0b\u3002<\/p>\n\n\n\n<p>\u98ce\u9669\u7c7b\u522b\uff1a3\u7c7b Ie= 1.25<\/p>\n\n\n\n<p>\u573a\u5730\u7c7b\u522b\uff1aC\u7c7b<\/p>\n\n\n\n<p>Ss = 0.4, S1 = 0.097<\/p>\n\n\n\n<p>\u6839\u636e ASCE7-17 \u7b2c 11 \u548c 12 \u7ae0\u8ba1\u7b97\u5730\u9707\u4f5c\u7528<\/p>\n\n\n\n<p>\u67e5\u8868 11.4.1, 11.4.2\uff0cFa = 1.3, Fv= 1.5<\/p>\n\n\n\n<p>SDS = 2\/3FaSs = 0.35<\/p>\n\n\n\n<p>SD1 = 2\/3FvS1 = 0.10<\/p>\n\n\n\n<p>Ts = SD1\/SDS = 0.29s<\/p>\n\n\n\n<p>\u67e5\u8868 11.6-1, 11.6-2\uff0cSDC\u5206\u522b\u4e3a C \u7c7b\u548c B \u7c7b\uff0c\u6309\u4e0d\u5229\u60c5\u51b5\u53d6 C \u7c7b\u3002<\/p>\n\n\n\n<p>\u6839\u636e\u8868\u683c 12.2-1\uff0c\u7eb5\u5411\u652f\u6491\u6846\u67b6\u7ed3\u6784\u9009\u62e9 steel OCBF (ordinary concentrically braced frame)\uff0cR=3.25, Cd=3.25\uff0c\u6a2a\u5411\u6846\u67b6\u7ed3\u6784\u9009\u62e9 steel OMF (ordinary moment frame)\uff0cR=3.5, Cd=3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-a263e659190777212a0a4cf3cd28ff64_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4ece\u7edf\u8ba1\u8868\u683c\u53ef\u4ee5\u770b\u51fa\uff0c\u7ed3\u6784\u5728\u6a2a\u5411\uff08X \u65b9\u5411\uff09\u8377\u8f7d\u4e0e\u4fa7\u5411\u521a\u5ea6\u5206\u5e03\u6bd4\u8f83\u5747\u5300\uff0c\u8d28\u5fc3\u548c\u521a\u5fc3\u57fa\u672c\u90fd\u4f4d\u4e8e\u5efa\u7b51\u7269\u5f62\u5fc3\uff1b\u7ed3\u6784\u5728\u7eb5\u5411\uff08Z \u65b9\u5411\uff09\u56e0\u8d28\u91cf\u591a\u96c6\u4e2d\u5728\u6846\u67b6\u90e8\u5206\uff0c\u6392\u67b6\u90e8\u5206\u8d28\u91cf\u8f83\u8f7b\uff0c\u800c\u4fa7\u5411\u521a\u5ea6\u7531 A, B, C \u4e09\u5217\u67f1\u7684\u67f1\u95f4\u652f\u6491\u5171\u540c\u63d0\u4f9b\uff0c\u521a\u5fc3\u4f4d\u4e8e\u6392\u67b6\u90e8\u5206\uff0c\u9760\u8fd1 B \u8f74\uff0c\u8d28\u5fc3\u4e0e\u521a\u5fc3\u666e\u904d\u5b58\u5728 3~7m \u7684\u504f\u5fc3\uff0c\u610f\u5473\u7740\u7eb5\u5411\u5730\u9707\u529b\u4f34\u968f\u7740\u663e\u8457\u7684\u626d\u8f6c\u6548\u5e94\uff0c\u800c\u7eb5\u5411\u5730\u9707\u529b\u56e0\u5468\u671f\u77ed\uff0c\u6570\u503c\u5927\u4e8e\u6a2a\u5411\u5730\u9707\u529b\uff0c\u626d\u8f6c\u5f15\u8d77\u7684\u4e0d\u5229\u4f5c\u7528\u66f4\u5927\uff0c\u8fd9\u662f\u6846\u6392\u67b6\u7ed3\u6784\u5f62\u5f0f\u7684\u4e00\u79cd\u5148\u5929\u7f3a\u9677\u3002<\/p>\n\n\n\n<p>\u6309\u7167\u632f\u578b\u5206\u89e3\u53cd\u5e94\u8c31\u6cd5\uff0c\u8ba1\u7b97\u5f97\u51fa\u57fa\u5e95\u526a\u529b\u548c\u697c\u5c42\u5730\u9707\u529b\u53ca\u5176\u626d\u77e9\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-504a06d5b29581b3028ef10cdbfa4d0d_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6ce8\uff1a\u626d\u77e9\u8003\u8651\u4e86\u56fa\u6709\u504f\u5fc3\u548c 5% \u7684\u5076\u7136\u504f\u5fc3\u3002<\/p>\n\n\n\n<p><strong>4 \u6c34\u5e73\u4e0d\u89c4\u5219\u5224\u65ad<\/strong><\/p>\n\n\n\n<p>\u6839\u636e ASCE7-16 \u8868\u683c 12.3-1\uff0c\u5bf9\u6c34\u5e73\u4e0d\u89c4\u5219\u4f9d\u6b21\u8fdb\u884c\u5224\u65ad\u3002<\/p>\n\n\n\n<p><strong>Torsional Irregularity<\/strong><\/p>\n\n\n\n<p>Torsional irregularity is defined to existwhere the maximum story drift, computed including accidentaltorsion with Ax = 1.0, at one end of the structure transverse to an axis is more than 1.2 times the average of the story drifts at the two ends of the structure. Torsional irregularity requirements in the reference sections apply only to structures in which the diaphragms arerigid or semi-rigid.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-cea20f08ae8c3fa2eaf06eefee995d7e_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>Staad pro \u8ba1\u7b97\u7ed3\u679c\u548c\u4e0d\u89c4\u5219\u5224\u65ad\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-6d9094f5fb4988c8705b79f322c571c4_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-0a912ada6d3b3b4a76c7dc0bb672a5bf_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u5bf9\u4e8e\u672c\u4f8b SDC \u7c7b\u522b C\uff0c\u626d\u8f6c\u4e0d\u89c4\u5219\u548c\u7279\u522b\u626d\u8f6c\u4e0d\u89c4\u5219\u9700\u8981\u6ee1\u8db3\u4ee5\u4e0b\u8981\u6c42\u3002<\/p>\n\n\n\n<p>\u9694\u677f\u7c7b\u578b\uff1a12.3.1.2 \u672c\u4f8b\u4e2d\u6df7\u51dd\u571f\u697c\u677f\u4ec5\u5b58\u5728\u4e8e\u9664\u6c27\u7164\u4ed3\u95f4\u7684\u7279\u5b9a\u697c\u5c42\uff0c\u5bf9\u4e8e\u6bcf\u8de8\u697c\u677f\u6765\u8bf4\uff0c\u867d\u7136\u8de8\u9ad8\u6bd4\u6ee1\u8db3\u5c0f\u4e8e 3 \u7684\u8981\u6c42\uff0c\u4f46\u56e0\u4e3a\u5b58\u5728\u6c34\u5e73\u4e0d\u89c4\u5219\uff0c\u6240\u4ee5\u4e0d\u80fd\u5b9a\u4e49\u4e3a\u521a\u6027\u9694\u677f\uff0c\u5e94\u6309\u534a\u521a\u6027\u8003\u8651\u3002<\/p>\n\n\n\n<p>12.7.3 \u5bf9\u4e8e\u6c34\u5e73\u4e0d\u89c4\u5219 1a, 1b\uff0c\u9700\u8981\u4f7f\u7528\u8ba1\u7b97\u673a\u4e09\u7ef4\u6a21\u578b\u5206\u6790\uff0c\u5f53\u9694\u677f\u4e0d\u7b26\u5408\u521a\u6027\u6216\u67d4\u6027\u9694\u677f\u5b9a\u4e49\u65f6\uff0c\u8981\u5efa\u6a21\u8003\u8651\u9694\u677f\u771f\u5b9e\u521a\u5ea6\uff0c\u5982\u56fe 3-1 \u6240\u793a\u3002<\/p>\n\n\n\n<p>12.8.4.3 \u5bf9\u4e8e\u6c34\u5e73\u4e0d\u89c4\u5219 1a, 1b\uff0c\u5730\u9707\u7684\u5076\u7136\u504f\u5fc3\u4f5c\u7528\u8981\u6839\u636e\u4e0d\u89c4\u5219\u7a0b\u5ea6\u9488\u5bf9\u76f8\u5e94\u697c\u5c42\u8fdb\u884c\u653e\u5927\u3002\u653e\u5927\u7cfb\u6570\u8ba1\u7b97\u516c\u5f0f Ax = (\u03b4max\/1.2\u03b4avg)2\uff0c\u8ba1\u7b97\u7ed3\u679c\u5982\u4e0b\u3002\u6ce8\u610f\u6b64\u5904\u4f7f\u7528\u7684\u662f\u4f4d\u79fb \u03b4\uff0c\u800c\u975e\u5c42\u95f4\u4f4d\u79fb \u0394\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-036b9731eee795d529b6e4036c5c5a14_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u624b\u52a8\u8ba1\u7b97\u6dfb\u52a0\u5076\u7136\u504f\u5fc3\u626d\u77e9\uff0c\u5219\u76f4\u63a5\u5c06\u653e\u5927\u540e\u7684\u626d\u77e9\u52a0\u8f7d\u81f3\u5404\u697c\u5c42\u7684\u8d28\u5fc3\uff1b\u5982\u679c\u7531\u8f6f\u4ef6\u8003\u8651\u5076\u7136\u504f\u5fc3\uff0c\u5219\u5728\u5076\u7136\u504f\u5fc3\u8ddd\u53c2\u6570\u680f\uff0c\u586b\u5199\u653e\u5927\u4ee5\u540e\u7684\u504f\u5fc3\u8ddd\uff08\u6ce8\uff1a\u8f6f\u4ef6\u65e0\u6cd5\u6309\u697c\u5c42\u653e\u5927\u626d\u77e9\uff09\u3002<\/p>\n\n\n\n<p>12.12.1 \u5c42\u95f4\u4f4d\u79fb\u4e0d\u80fd\u8d85\u8fc7\u672c\u6761\u89c4\u5b9a\u7684\u9650\u503c\u3002<\/p>\n\n\n\n<p><strong>ReentrantCorner Irregularity<\/strong><\/p>\n\n\n\n<p>Reentrant corner irregularity is defined toexist where both plan projections of the structure beyond a reentrant cornerare greater than 15% of the plan dimension of the structure in the givendirection.<\/p>\n\n\n\n<p>\u672c\u4f8b\u5efa\u7b51\u5e73\u9762\u5e03\u7f6e\u6ca1\u6709\u51f9\u89d2\u6216\u51f8\u89d2\uff0c\u56e0\u6b64\u4e0d\u5b58\u5728\u6c34\u5e73\u4e0d\u89c4\u5219\u7c7b\u578b 2\u3002<\/p>\n\n\n\n<p><strong>DiaphragmDiscontinuity Irregularity<\/strong><\/p>\n\n\n\n<p>Diaphragm discontinuity irregularity is definedto exist where there is a diaphragm with an abrupt discontinuity or variationin stiffness, including one that has a cutout or open area greater than 50% ofthe gross enclosed diaphragm area, or a change in effective diaphragm stiffnessof more than 50% from one story to the next.<\/p>\n\n\n\n<p>\u672c\u4f8b\u56e0\u6c7d\u673a\u623f\u5f00\u655e\u5927\u7a7a\u95f4\uff0c\u6ca1\u6709\u4efb\u4f55\u697c\u677f\uff0c\u4ee5 4.3m \u5c42\u4e3a\u4f8b\uff08\u56fe 4-1\uff09\uff0c\u9694\u677f\u9762\u79ef\u5c0f\u4e8e\u5efa\u7b51\u7269\u9762\u79ef\u7684 50%\uff0c\u76f8\u5f53\u4e8e\u5f00\u6d1e\u9762\u79ef\u5927\u4e8e 50%\uff0c\u5c5e\u4e8e\u4e0d\u89c4\u5219\u7c7b\u578b 3\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-c09add3634f8f5136abca6151df677b3_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 4-1<\/figcaption><\/figure>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u5bf9\u4e8e SDC \u7c7b\u522b C\uff0c\u6ca1\u6709\u9488\u5bf9\u6b64\u6761\u4e13\u95e8\u7684\u63aa\u65bd\uff0c\u6761\u6587 12.7.3 \u5efa\u6a21\u8003\u8651\u9694\u677f\u771f\u5b9e\u521a\u5ea6\uff0c\u7b97\u662f\u76f8\u5173\u6761\u6587\u3002<\/p>\n\n\n\n<p><strong>Out-of-PlaneOffset Irregularity<\/strong><\/p>\n\n\n\n<p>Out-of-plane offset irregularity is definedto exist where there is a discontinuity in a lateral force-resistance path,such as an out-of-plane offset of at least one of the vertical elements.<\/p>\n\n\n\n<p>\u672c\u4f8b\u4e0d\u5b58\u5728\u6297\u4fa7\u529b\u4f53\u7cfb\u4e0d\u8fde\u7eed\u3002<\/p>\n\n\n\n<p><strong>NonparallelSystem Irregularity<\/strong><\/p>\n\n\n\n<p>Nonparallel system irregularity is definedto exist where vertical lateral force-resisting elements are not parallel tothe major orthogonal axes of the seismic force-resisting system.<\/p>\n\n\n\n<p>\u672c\u4f8b\u4e0d\u5b58\u5728\u6297\u4fa7\u529b\u4f53\u7cfb\u5e73\u884c\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p><strong>5 \u7ad6\u5411\u4e0d\u89c4\u5219\u5224\u65ad<\/strong><\/p>\n\n\n\n<p><strong>Stiffness\u2013 Soft Story Irregularity<\/strong><\/p>\n\n\n\n<p>Stiffness \u2013 soft story irregularity is definedto exist where there is a story in which the lateral stiffness is less than 70% of that in the story above or less than 80% of the average stiffness of thethree stories above.<\/p>\n\n\n\n<p>\u4ece\u8868\u683c\u7684\u63aa\u65bd\u9002\u7528\u6027\u6765\u770b\uff0cSDC \u7c7b\u522b C \u6ca1\u6709\u7279\u6b8a\u89c4\u5b9a\uff0c\u5bf9\u4e8e D, E, F \u7c7b\u6709\u9002\u7528\u6027\u7684\u5f3a\u5236\u8981\u6c42\u3002\u672c\u6587\u4e3a\u4e86\u5c55\u793a\u4e3b\u5382\u623f\u7684\u4e0d\u89c4\u5219\u7279\u6027\uff0c\u8fdb\u884c\u4fa7\u5411\u521a\u5ea6\u4e0d\u89c4\u5219\u5224\u65ad\u3002<\/p>\n\n\n\n<p>\u5728\u5e94\u7528\u672c\u6761\u89c4\u5219\u68c0\u9a8c\u8f6f\u5f31\u5c42\u4e4b\u524d\uff0c\u5148\u6839Exception\u4e2d\u7b2c\u4e00\u6761\u8bf4\u660e\uff0c\u5224\u65ad\u5c42\u95f4\u4f4d\u79fb\u662f\u5426\u5c0f\u4e8e\u4e0a\u5c42\u4e0a\u5c42\u7684 130%\uff0c\u82e5\u5c0f\u4e8e\u5219\u53ef\u4ee5\u8c41\u514d\u8f6f\u5f31\u5c42\u4e0d\u89c4\u5219\u548c\u8d28\u91cf\u4e0d\u89c4\u5219\u7684\u5224\u65ad\u3002\u6ce8\u610f\u9876\u90e8\u4e24\u5c42\u4e0d\u9700\u8981\u505a\u4f4d\u79fb\u6bd4\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u6b21\u9876\u5c42\u4e0d\u9700\u8981\u505a\u76f8\u5bf9\u4e8e\u9876\u5c42\u7684\u8f6f\u5f31\u5c42\u4e0d\u89c4\u5219\u5224\u65ad\u3002<\/p>\n\n\n\n<p>\u5c06\u8f6f\u4ef6\u5206\u6790\u7ed3\u679c\u6574\u7406\u5982\u4e0b\u8868\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-0f7217d570d04ef727afe25694aadc6e_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u51fa\uff0c\u7b2c 1 \u5c42\u548c\u7b2c 3 \u5c42\u9700\u8981\u505a\u8f6f\u5f31\u5c42\u68c0\u9a8c\uff0c\u610f\u5473\u7740\u9700\u8981\u8ba1\u7b97 1 2 3 4 5 \u5c42\u7684\u5c42\u521a\u5ea6\u3002<\/p>\n\n\n\n<p>\u5c42\u521a\u5ea6\u8ba1\u7b97\u65b9\u6cd5\uff1a\u5728\u672c\u5c42\u9876\u90e8\u548c\u5e95\u90e8\u65bd\u52a0\u5927\u5c0f\u76f8\u540c\u65b9\u5411\u76f8\u53cd\u7684\u6c34\u5e73\u529b V\uff08\u56fe 5-1\uff09\uff0c\u5f97\u51fa\u5c42\u95f4\u4f4d\u79fb \u0394\uff0c\u5219 K = V\/\u0394\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-da497106299089efe35dde1f50c6e9af_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 5-1<\/figcaption><\/figure>\n\n\n\n<p>\u901a\u8fc7\u8ba1\u7b97\u8f6f\u4ef6\u8ba1\u7b97\u5f97\u51fa\u7ed3\u6784\u6a2a\u5411\u5404\u5c42\u521a\u5ea6\u5982\u4e0b\u8868\u683c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic3.zhimg.com\/80\/v2-22e13a52ce45bfe1383a1e75fe317a8e_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u53ef\u4ee5\u770b\u51fa\u7b2c\u4e00\u5c42\u5c5e\u4e8e\u7279\u522b\u8f6f\u5f31\u4e0d\u89c4\u5219\uff08\u4e00\u65b9\u9762\u56e0\u4e3a\u94f0\u63a5\u67f1\u811a\uff0c\u53e6\u4e00\u65b9\u9762\u56e0\u4e3a\u4e8c\u5c42\u5c42\u521a\u5ea6\u8f83\u5927\uff09\uff0c\u7b2c\u4e09\u5c42\u63a5\u8fd1\u8f6f\u5f31\u4e0d\u89c4\u5219\uff0c\u56e0\u4e3a\u672c\u4f8b\u9009\u5047\u8bbe\u5730\u9707\u70c8\u5ea6\u4e0d\u9ad8\uff0c\u5e76\u6ca1\u6709\u7279\u6b8a\u8981\u6c42\u3002\u82e5\u672c\u4f8b\u4f53 SDC \u7c7b\u522b\u4e3a D\uff0c\u5219\u6309\u8868\u683c 12.6-1 \u4e0d\u5141\u8bb8\u4f7f\u7528\u5e95\u90e8\u526a\u529b\u6cd5\u5206\u6790\uff1b\u82e5\u672c\u4f8b\u4f53 SDC \u7c7b\u522b\u4e3a E \u6216 F\uff0c\u5219\u6309\u6761\u6587 12.3.3.1 \u4e0d\u5141\u8bb8\u7ed3\u6784\u5b58\u5728\u7279\u522b\u8f6f\u5f31\u4e0d\u89c4\u5219\u3002<\/p>\n\n\n\n<p><strong>Weight (Mass) Irregularity<\/strong><\/p>\n\n\n\n<p>Weight (mass) irregularity is defined toexist where the effective mass of any story is more than 150% of the effectivemass of an adjacent story. A roof that is lighter than the floor below need not be considered.<\/p>\n\n\n\n<p>\u56e0\u5de5\u4e1a\u9879\u76ee\u7684\u697c\u9762\u8377\u8f7d\u5b8c\u5168\u6309\u7167\u751f\u4ea7\u5de5\u827a\u548c\u7ba1\u9053\u5e03\u7f6e\u786e\u5b9a\u7684\uff0c\u6709\u6548\u5730\u9707\u8d28\u91cf\u5728\u4e0d\u540c\u697c\u5c42\u7684\u5206\u5e03\u975e\u5e38\u4e0d\u5747\u5300\uff0c\u4ece\u8868\u683c 3-1 \u53ef\u4ee5\u770b\u51fa\uff0c\u6bcf\u5c42\u90fd\u5b58\u5728\u8d28\u91cf\u4e0d\u5747\u5300\u3002<\/p>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u5bf9\u672c\u4f8b\u9898\u65e0\u5f71\u54cd\uff0c\u5bf9 SDC D E F \u7c7b\u7684\u5206\u6790\u65b9\u6cd5\u6709\u8981\u6c42\u3002<\/p>\n\n\n\n<p><strong>Vertical Geometric Irregularity<\/strong><\/p>\n\n\n\n<p>Vertical geometric irregularity is definedto exist where the horizontal dimension of the seismic force-resisting systemin any story is more than 130% of that in an adjacent story.<\/p>\n\n\n\n<p>\u8be5\u6a21\u578b\u6a2a\u5411\u6297\u4fa7\u529b\u4f53\u7cfb\u4e3a\u53d7\u5f2f\u6846\u67b6\u7ed3\u6784\uff0c\u5176\u4e2d\u7b2c\u4e94\u5c42\u5e73\u9762\u5c3a\u5bf8\u4e0e\u5176\u4f59\u56db\u5c42\u4e0d\u540c\uff08\u76f8\u5dee 130% \u4ee5\u4e0a\uff09\uff0c\u56e0\u6b64\u5b58\u5728\u7ad6\u5411\u51e0\u4f55\u4e0d\u89c4\u5219\u3002<\/p>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u5bf9\u672c\u4f8b\u9898\u65e0\u5f71\u54cd\uff0c\u5bf9 SDC D E F \u7c7b\u7684\u5206\u6790\u65b9\u6cd5\u6709\u8981\u6c42\u3002<\/p>\n\n\n\n<p><strong>In-Plane Discontinuity in Vertical Lateral Force-Resisting Element Irregularity<\/strong><\/p>\n\n\n\n<p>In-plane discontinuity in vertical lateralforce-resisting element irregularity is defined to exist where there is anin-plane offset of a vertical seismic force-resisting element resulting inoverturning demands on supporting structural elements.<\/p>\n\n\n\n<p>\u8be5\u6a21\u578b\u7eb5\u5411\u6297\u4fa7\u529b\u4f53\u7cfb\u4e3a\u652f\u6491\u6846\u67b6\u7ed3\u6784\uff0cC \u8f74\u5e03\u7f6e\u5982\u56fe 5-2\uff0c\u5176\u4e2d\u4f4d\u4e8e\u4e24\u7aef\u7684\u67f1\u95f4\u652f\u6491\u5e76\u672a\u4ece\u9876\u90e8\u8fde\u8d2f\u5230\u5e95\u90e8\uff0c\u5b58\u5728\u6297\u4fa7\u529b\u4f53\u7cfb\u5e73\u9762\u5185\u4e0d\u8fde\u7eed\u4e0d\u89c4\u5219\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-133a0ddfc2fc15bb61139f20e2d09837_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 5-2<\/figcaption><\/figure>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u5bf9\u672c\u4f8b SDC \u7c7b\u522b C\uff0c\u5e94\u6309\u7167 12.3.3.3\uff0c\u5bf9\u56fe 5-2 \u4e2d\u7ea2\u7ebf\u6240\u5708\u7684\u67f1\u5b50\u7684\u5730\u9707\u5185\u529b\u5e94\u7528\u8d85\u5f3a\u7cfb\u6570 \u03a90\u3002<\/p>\n\n\n\n<p><strong>Discontinuityin Lateral Strength \u2013 Weak Story Irregularity<\/strong><\/p>\n\n\n\n<p>Discontinuity in lateral strength \u2013 weakstory irregularity is defined to exist where the story lateral strength is lessthan 80% of that in the story above. The story lateral strength is the totallateral strength of all seismic-resisting elements sharing the story shear forthe direction under consideration.<\/p>\n\n\n\n<p>\u9009\u53d6\u6a2a\u5411\u6846\u6392\u67b6\u68c0\u9a8c\u8584\u5f31\u5c42\u4e0d\u89c4\u5219\uff0c\u56e0 12 \u6980\u6846\u6392\u67b6\u622a\u9762\u4e00\u81f4\uff0c\u9009\u53d6 6 \u8f74\u7684\u6846\u6392\u67b6\u4f5c\u4e3a\u4ee3\u8868\uff08\u5982\u56fe 1-1 \u6240\u793a\uff09\uff0c\u5047\u8bbe\u6846\u67b6\u6ee1\u8db3\u5f3a\u67f1\u5f31\u7cb1\u8981\u6c42\uff0c\u697c\u5c42\u6c34\u5e73\u627f\u8f7d\u529b\u91c7\u7528 AISC 341 \u4e2d\u6240\u5efa\u8bae\u516c\u5f0f<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic1.zhimg.com\/80\/v2-011a67ceb1f33465653e620f5e068f0c_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8ba1\u7b97\uff0c\u8ba4\u4e3a\u697c\u5c42\u6c34\u5e73\u627f\u8f7d\u529b\u662f\u697c\u5c42\u5c48\u670d\u65f6\u5bf9\u5e94\u7684\u6c34\u5e73\u529b\uff08\u56fe 5-3\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic2.zhimg.com\/80\/v2-aa4cc2d0ffdd7ed224189f16dd4a1a49_1440w.jpg\" alt=\"\"\/><figcaption>\u56fe 5-3<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/pic4.zhimg.com\/80\/v2-13e407b3fe05f0a7e5f58833323aa8ff_1440w.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u7531\u6b64\u53ef\u89c1\u7b2c\u4e09\u5c42\u7531\u4e8e\u5c42\u9ad8\u8fc7\u5927\uff0c\u5c5e\u4e8e\u7ad6\u5411\u4e0d\u89c4\u5219 5a\uff08\u8584\u5f31\u5c42\uff09\u3002<\/p>\n\n\n\n<p><strong>\u76f8\u5e94\u63aa\u65bd<\/strong><\/p>\n\n\n\n<p>\u5bf9\u672c\u4f8b\u9898\u65e0\u5f71\u54cd\uff0c\u5c3d\u7ba1\u5982\u6b64\uff0c\u4f46\u4ecd\u5efa\u8bae\u6d88\u9664\u6216\u51cf\u8f7b\u8fd9\u79cd\u7ed3\u6784\u4e0d\u89c4\u5219\u3002\u5bf9 SDC D E F\u7c7b\u63d0\u51fa\u4e86\u5206\u6790\u65b9\u6cd5\u548c\u9002\u7528\u6027\u7684\u8981\u6c42\u3002<\/p>\n\n\n\n<p><strong>6 \u603b\u7ed3<\/strong><\/p>\n\n\n\n<p>\u7ecf\u8fc7\u4e0a\u6587\u7684\u5206\u6790\uff0c\u68c0\u9a8c\u51fa\u4f8b\u9898\u6a21\u578b\u5b58\u5728\u6c34\u5e73\u4e0d\u89c4\u5219 1a, 1b, 3 \u7c7b\u578b\u548c\u7ad6\u5411\u4e0d\u89c4\u5219 1b, 2, 3, 4, 5a \u7c7b\u578b\uff0c\u4e5f\u5217\u4e3e\u4e86\u9700\u8981\u91c7\u53d6\u7684\u63aa\u65bd\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u5206\u6790\u53d1\u73b0\u672c\u4f8b\u6a21\u578b\u6a2a\u5411\u6297\u4fa7\u529b\u4f53\u7cfb\u4e3b\u8981\u7531 9.8m \u8de8\u5ea6\u7684\u53d7\u5f2f\u6846\u67b6\u8d21\u732e\uff0c\u800c\u6392\u67b6\u66f4\u591a\u7684\u662f\u4f9d\u9644\u4e8e\u6846\u67b6\u7ed3\u6784\u3002\u5bf9\u4e8e\u5927\u578b\u673a\u7ec4\u5e38\u7528\u7684\u9664\u6c27\u95f4\u548c\u7164\u4ed3\u95f4\u5206\u5f00\u5e03\u7f6e\u65b9\u6848\uff08\u53732 \u8de8\u53d7\u5f2f\u6846\u67b6\uff09\uff0c\u6846\u67b6\u7ed3\u6784\u5728\u4fa7\u5411\u521a\u5ea6\u4e2d\u7684\u5360\u6bd4\u5c06\u66f4\u5927\uff0c\u662f\u5206\u6790\u7684\u91cd\u70b9\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f88\u591a\u5927\u578b\u4e3b\u5382\u623f\u7684\u7ed3\u6784\u5e03\u7f6e\u5f62\u5f0f\u8981\u590d\u6742\u7684\u591a\uff0c\u6839\u636e\u5de5\u827a\u8981\u6c42\uff0c\u666e\u904d\u5b58\u5728\u5404\u79cd\u5939\u5c42\u3001\u8dc3\u5c42\u3001\u8de8\u5c42\u7b49\u5f62\u5f0f\uff0c\u4ee5\u53ca\u91cd\u578b\u8bbe\u5907\u5728\u7a7a\u95f4\u4e2d\u4e0d\u89c4\u5219\u7684\u5e03\u7f6e\u3002\u5982\u679c\u5b8c\u5168\u6309\u7167\u5b9e\u9645\u6a21\u578b\u53bb\u5206\u6790\uff0c\u5206\u6790\u8fc7\u7a0b\u4e2d\u5f88\u5bb9\u6613\u51fa\u73b0\u5947\u5f02\uff0c\u5e94\u5408\u7406\u7684\u7b80\u5316\u6b21\u8981\u7684\u5e72\u6270\u56e0\u7d20\uff0c\u6293\u4f4f\u4e3b\u6297\u4fa7\u529b\u4f53\u7cfb\u7684\u7ed3\u6784\u672c\u8d28\u53bb\u5206\u6790\u7ed3\u6784\u4f53\u7cfb\u7684\u6297\u9707\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u5f53\u9047\u5230\u9ad8\u70c8\u5ea6\u5730\u9707\u533a\uff08SDC D \u53ca\u4ee5\u4e0a\uff09\uff0cordinary \u7c7b\u578b\u7684\u7ed3\u6784\u5f62\u5f0f\u4e0d\u518d\u5141\u8bb8\u4f7f\u7528\uff0c\u9700\u8981\u4e13\u95e8\u8fdb\u884c\u5ef6\u6027\u8bbe\u8ba1\uff0c\u53ef\u4ee5\u901a\u8fc7\u5f39\u5851\u6027\u52a8\u529b\u8865\u5145\u5206\u6790\u6765\u53d1\u73b0\u3001\u9a8c\u8bc1\u8584\u5f31\u90e8\u4f4d\uff0c\u52a0\u5f3a\u8584\u5f31\u90e8\u4f4d\u3002<\/p>\n\n\n\n<p>\u53c2\u8003\u6587\u732e<\/p>\n\n\n\n<p>ASCE.&nbsp;<em>Minimum design loads for buildings and other structures (ASCE\/SEI 7-16)<\/em>, American Society of Civil Engineers.<\/p>\n\n\n\n<p>ASCE.&nbsp;<em>Guide to the Seismic Load Provisions of ASCE 7-10<\/em>, American Society of Civil Engineers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u200b1 \u4e3b\u5382\u623f\u7ed3\u6784\u5f62\u5f0f\u4ecb\u7ecd 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