{"id":3347,"date":"2020-04-07T17:17:37","date_gmt":"2020-04-07T09:17:37","guid":{"rendered":"http:\/\/101.37.83.176\/?p=3347"},"modified":"2022-09-06T14:18:18","modified_gmt":"2022-09-06T06:18:18","slug":"wind-load-conversion","status":"publish","type":"post","link":"http:\/\/101.37.83.176\/?p=3347","title":{"rendered":"\u4e2d\u5916\u7ed3\u6784\u98ce\u8377\u8f7d\u7684\u8f6c\u6362"},"content":{"rendered":"<p>\u5bf9\u4e8e\u98ce\u901f\u8bb0\u5f55\uff0c\u4e00\u822c\u53d6\u5e73\u5747\u98ce\u7684\u65f6\u8ddd\u4e3a10min~1h\u8f83\u4e3a\u7a33\u5b9a\u3002\u56fd\u9645\u4e0a\uff0c\u591a\u6570\u56fd\u5bb6\uff08\u5982\u4e2d\u56fd\u89c4\u8303\u3001\u6b27\u6d32\u89c4\u8303\uff09\u5c06\u5e73\u5747\u98ce\u65f6\u8ddd\u53d6\u4e3a10min\uff0c\u4f46\u4e5f\u6709\u56fd\u5bb6\u5c06\u5e73\u5747\u98ce\u65f6\u8ddd\u53d6\u4e3a3s\u7684\u77ac\u65f6\u98ce\u901f\uff08\u5982\u7f8e\u56fd\u89c4\u8303\uff09\uff0c\u4e5f\u6709\u7684\u56fd\u5bb6\u53d61h\uff08\u5982\u52a0\u62ff\u5927\uff09\u3002<\/p>\n<p>\u5bf9\u4e8e\u6d89\u5916\u9879\u76ee\uff0c\u4e2d\u56fd\u7684\u5de5\u7a0b\u5e08\u4e00\u822c\u9664\u76f4\u63a5\u91c7\u7528\u5f53\u5730\u89c4\u8303\u8bbe\u8ba1\u5916\uff0c\u901a\u5e38\u8fd8\u4f1a\u91c7\u7528\u4e2d\u56fd\u89c4\u8303\u9a8c\u7b97\u4e00\u904d\uff0c\u6216\u6982\u5ff5\u4e0a\u7528\u4e2d\u56fd\u89c4\u8303\u8fdb\u884c\u4f30\u8ba1\u3002\u8fd9\u5c31\u6d89\u53ca\u5230\u81ea\u7136\u8377\u8f7d\u7684\u8f6c\u6362\u95ee\u9898\uff0c\u7ecf\u5e38\u9047\u5230\u7684\u662f\u5982\u4f55\u5c063s\u9635\u98ce\u98ce\u901f\u8f6c\u6362\u4e3a10min\u98ce\u901f\u7684\u60c5\u51b5\u3002\u5982\u679c\u4e0d\u8003\u8651\u5404\u56fd\u89c4\u8303\u4f53\u7cfb\u6574\u4f53\u7684\u5dee\u5f02\uff0c\u4ec5\u4ece\u6c14\u8c61\u5b66\u7684\u89d2\u5ea6\u770b\uff0c\u8fd9\u79cd\u98ce\u65f6\u8ddd\u7684\u8f6c\u6362\u5c31\u662f\u6c42\u9635\u98ce\u56e0\u5b50\u7684\u95ee\u9898\u3002<\/p>\n<p><a href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/wind-speed.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3354\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/wind-speed.png\" alt=\"\" width=\"857\" height=\"278\" srcset=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/wind-speed.png 857w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/wind-speed-300x97.png 300w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/wind-speed-768x249.png 768w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/wind-speed-624x202.png 624w\" sizes=\"auto, (max-width: 857px) 100vw, 857px\" \/><\/a><\/p>\n<p>\u98ce\u901f\u53ef\u4ee5\u8868\u8fbe\u4e3a\u5e73\u5747\u98ce+\u8109\u52a8\u98ce<br \/>\nV<sub>t<\/sub> =V<sub>T0<\/sub>+u(t)<\/p>\n<p>\u5b9a\u4e49\u5cf0\u503c\u56e0\u5b50g\u4e3a\u8109\u52a8\u98ce\u5206\u91cf\u7684\u6700\u5927\u503c\u4e0e\u5176\u6807\u51c6\u5dee\u4e4b\u6bd4<br \/>\ng=u<sub>max<\/sub>\/\u03c3<sub>u<\/sub><\/p>\n<p>\u5b9a\u4e49\u6e4d\u6d41\u5f3a\u5ea6\u4e3a\u8109\u52a8\u98ce\u6807\u51c6\u5dee\u4e0e\u5e73\u5747\u98ce\u7684\u4e4b\u6bd4<br \/>\nI<sub>u<\/sub>=\u03c3<sub>u<\/sub>\/V<sub>t0<\/sub><\/p>\n<p>\u76f8\u5e94\u7684\u9635\u98ce\u98ce\u901f\u53ef\u4ee5\u8868\u8fbe\u4e3a<br \/>\nV<sub>t<\/sub>=V<sub>T0<\/sub>+g*\u03c3<sub>u<\/sub><\/p>\n<p>\u5b9a\u4e49\u9635\u98ce\u56e0\u5b50\u4e3a\u9635\u98ce\u98ce\u901f\u4e0e\u5e73\u5747\u98ce\u901f\u7684\u4e4b\u6bd4<br \/>\nK<sub>t<\/sub>=V<sub>t<\/sub>\/V<sub>T0<\/sub>=1+g*I<sub>u<\/sub><\/p>\n<p>\u4e3a\u4fbf\u4e8e\u76f4\u89c2\u7406\u89e3\u4ee5\u6587\u732eWorld Meteorological Organization, Guidelines for Converting between Various Wind Averaging Periods in Tropical Cyclone Conditions, 2010\u4e2d\u7ed9\u51fa\u76841989\u5e74\u5f3a\u70ed\u5e26\u6c14\u65cb\u5965\u68ee\u7684\u5b9e\u6d4b\u7ed3\u679c\u4e3a\u4f8b\u3002<\/p>\n<p><a href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3353\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng.png\" alt=\"\" width=\"831\" height=\"318\" srcset=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng.png 831w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng-300x115.png 300w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng-768x294.png 768w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng-624x239.png 624w\" sizes=\"auto, (max-width: 831px) 100vw, 831px\" \/><\/a><\/p>\n<p>\u6d4b\u91cf\u70b9\u5728\u8ddd\u6fb3\u5927\u5229\u4e9a\u897f\u6d77\u5cb8130km\u7684\u6d77\u4e0a\u94bb\u4e95\u5e73\u53f0\u3002<\/p>\n<p><a href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3352\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng2.png\" alt=\"\" width=\"654\" height=\"595\" srcset=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng2.png 654w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng2-300x273.png 300w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/taifeng2-624x568.png 624w\" sizes=\"auto, (max-width: 654px) 100vw, 654px\" \/><\/a><\/p>\n<p>\u56fe\u4e2d\u7ed9\u51fa\u7684\u7ed3\u679c\u5305\u62ec\uff1a<br \/>\nV600\u2014\u201410min\u5e73\u5747\u98ce\u901f<br \/>\nV60\u2014\u20141min\u5e73\u5747\u98ce\u901f<br \/>\nV60,600\u2014\u201410min\u5185\u76841min\u5e73\u5747\u6700\u5927\u98ce\u901f<br \/>\nV3,600\u2014\u201410min\u5185\u76843s\u5e73\u5747\u6700\u5927\u98ce\u901f<br \/>\nV3,3600\u2014\u20141\u5c0f\u65f6\u5185\u76843s\u5e73\u5747\u6700\u5927\u98ce\u901f<br 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href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3351\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor.png\" alt=\"\" width=\"936\" height=\"528\" srcset=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor.png 936w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-300x169.png 300w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-768x433.png 768w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-624x352.png 624w\" sizes=\"auto, (max-width: 936px) 100vw, 936px\" \/><\/a><\/p>\n<p>\u5de5\u7a0b\u5b9e\u8df5\u4e2d\u53ef\u4ee5\u53c2\u8003\u7f8e\u56fd\u89c4\u8303ASCE\/SEI 7-16\u4e2d\u7ed9\u51fa\u4e86\u4e0d\u540c\u65f6\u8ddd\u7684\u5e73\u5747\u6700\u5927\u98ce\u901f\u4e0e1\u5c0f\u65f6\u5e73\u5747\u98ce\u901f\u7684\u8f6c\u6362\u66f2\u7ebf\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<p><a href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/ASCE7-16-figure-c26.5-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3350\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/ASCE7-16-figure-c26.5-1.png\" alt=\"\" width=\"788\" height=\"436\" srcset=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/ASCE7-16-figure-c26.5-1.png 788w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/ASCE7-16-figure-c26.5-1-300x166.png 300w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/ASCE7-16-figure-c26.5-1-768x425.png 768w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/ASCE7-16-figure-c26.5-1-624x345.png 624w\" sizes=\"auto, (max-width: 788px) 100vw, 788px\" \/><\/a><\/p>\n<p>\u4e0a\u56fe\u7684\u5b9e\u7ebf\u7528\u4e8e\u5e38\u6001\u98ce\uff0c\u662f\u6587\u732eDurst C. S., Wind speeds over short periods of time, Meteorological Magazine, 89, 181-186, 1960\u4e2d\uff0c\u6839\u636e\u5b9e\u6d4b\u8d44\u6599\u7ed9\u51fa\u4e861\u5c0f\u65f6\u5e73\u5747\u98ce\u901f\u6362\u7b97\u4e3a\u4e0d\u540c\u65f6\u8ddd\u5e73\u5747\u6700\u5927\u98ce\u901f\u7684\u6362\u7b97\u7cfb\u6570\u3002<\/p>\n<p><a href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-durst.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3348\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-durst.png\" alt=\"\" width=\"269\" height=\"220\"\/><\/a><\/p>\n<p>\u4e0a\u56fe\u7684\u865a\u7ebf\u7528\u4e8e\u98d3\u98ce\u3002\u8be5ESDU\u66f2\u7ebf\u53ef\u6309\u6587\u732eEngineering Science Data Unit, Item No. 83045, Strong winds in the atmospheric boundary layer. II: Discrete gust speeds., London, 2002\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n<p><a href=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-ESDU.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3349\" src=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-ESDU.png\" alt=\"\" width=\"576\" height=\"808\" srcset=\"http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-ESDU.png 576w, http:\/\/101.37.83.176\/wp-content\/uploads\/2020\/04\/gust-factor-ESDU-214x300.png 214w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/a><\/p>\n<p><strong>\u7ed3\u8bba\uff1a<\/strong><br \/>\n1\u30013s\u9635\u98ce\u98ce\u901f\u8f6c\u6362\u4e3a10min\u98ce\u901f\u7684\u8f6c\u6362\u7cfb\u6570\u4e3a1.43\u3002\u5176\u5b83\u98ce\u65f6\u8ddd\u4e5f\u53ef\u53c2\u8003\u4ee5\u4e0a\u5185\u5bb9\u5f97\u5230\u3002\u6587\u4e2d\u7684\u8ba1\u7b97\u91c7\u7528MathCAD 15\uff0c\u5982\u6709\u9700\u8981\u6e90\u6587\u4ef6\u53ef\u4ee5\u8054\u7cfb\u6211\u3002<\/p>\n<p>2\u3001\u53e6\u5916\u91c7\u7528\u7f8e\u6807ASCE7-16\u65f6\u8981\u6ce8\u610f\uff0c\u5b83\u7684\u91cd\u73b0\u671f\u548cASCE7-05\u4e0d\u540c\u4e86\u3002\u5982\u679c\u8981\u8f6c\u4e3a50\u5e74\u7684\u91cd\u73b0\u671f\uff0c\u9700\u8981\u8fdb\u884c\u91cd\u73b0\u671f\u7684\u6362\u7b97\u3002<br \/>\n\u5f97\u5230\u6821\u5bf9\u7684\u81ea\u7136\u8377\u8f7d\u540e\uff0c\u5176\u5b9e\u540e\u7eed\u7684\u4e2d\u7f8e\u98ce\u8377\u8f7d\u7684\u8ba1\u7b97\u8fd8\u6709\u4e09\u70b9\u4e3b\u8981\u533a\u522b\uff1a<br \/>\n1) \u4e2d\u56fd\u89c4\u8303\u4e0d\u8003\u8651\u98ce\u5411\u6298\u51cf\uff0c\u5728\u8ba1\u7b97\u4e3b\u4f53\u7ed3\u6784\u98ce\u8377\u8f7d\u65f6\u4e5f\u4e0d\u8003\u8651\u5185\u90e8\u98ce\u538b\uff1b<br \/>\n2) \u98ce\u901f\u538b\u529b\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u4e2d\u56fd\u548c\u7f8e\u56fd\u5206\u522b\u91c7\u7528\u4e86\u5e73\u5747\u98ce\u548c\u9635\u98ce\u5bf9\u5e94\u7684\u98ce\u901f\u538b\u529b\uff1b<br \/>\n3) \u4e2d\u56fd\u7684\u98ce\u632f\u7cfb\u6570\u4ee3\u8868\u7684\u662f\u57fa\u4e8e\u5e73\u5747\u98ce\u8377\u8f7d\u7684\u653e\u5927\u500d\u6570\uff0c\u800c\u7f8e\u56fd\u7684\u9635\u98ce\u6548\u5e94\u56e0\u5b50\u5219\u662f\u57fa\u4e8e\u9635\u98ce\u8377\u8f7d\u7684\u8c03\u6574\u7cfb\u6570\u3002<\/p>\n<p>3\u3001\u91cd\u8981\u7684\u5c31\u662f\u8981\u8bb0\u4f4f\uff0c\u5404\u56fd\u89c4\u8303\u4e0d\u80fd\u6df7\u7528\uff0c\u56e0\u4e3a\u89c4\u8303\u4f53\u7cfb\u4e2d\u8003\u8651\u4e86\u5404\u81ea\u7684\u53ef\u9760\u5ea6\u5339\u914d\u3002\u81ea\u7136\u8377\u8f7d\u9700\u8981\u6821\u5bf9\u4e3a\uff0c\u5404\u81ea\u89c4\u8303\u89c4\u5b9a\u7684\u53c2\u8003\u57fa\u51c6\u7684\u540e\u65b9\u53ef\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e2d\u5916\u7ed3\u6784\u98ce\u8377\u8f7d\u7684\u8f6c\u6362\u3002\u5404\u56fd\u89c4\u8303\u4e0d\u80fd\u6df7\u7528\uff0c\u56e0\u4e3a\u89c4\u8303\u4f53\u7cfb\u4e2d\u8003\u8651\u4e86\u5404\u81ea\u7684\u53ef\u9760\u5ea6\u5339\u914d\u3002\u81ea\u7136\u8377\u8f7d\u9700\u8981\u6821\u5bf9\u4e3a\uff0c\u5404\u81ea\u89c4\u8303\u89c4\u5b9a\u7684\u53c2\u8003\u57fa\u51c6\u7684\u540e\u65b9\u53ef\u4f7f\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":3353,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[132,19,27],"tags":[242,105,15],"class_list":["post-3347","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-principle","category-eurocodes","category-us-codes","tag-242","tag-wind-engineering","tag-wind-load"],"_links":{"self":[{"href":"http:\/\/101.37.83.176\/index.php?rest_route=\/wp\/v2\/posts\/3347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/101.37.83.176\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/101.37.83.176\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/101.37.83.176\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/101.37.83.176\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3347"}],"version-history":[{"count":0,"href":"http:\/\/101.37.83.176\/index.php?rest_route=\/wp\/v2\/posts\/3347\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/101.37.83.176\/index.php?rest_route=\/wp\/v2\/media\/3353"}],"wp:attachment":[{"href":"http:\/\/101.37.83.176\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/101.37.83.176\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3347"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/101.37.83.176\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}