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(1 中國建筑科學(xué)研究院,北京 100013; 2 清華大學(xué)土木工程系,北京 100084)
[摘要]簡要介紹了本次《混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范》修訂中對于安全問題的考慮,包括結(jié)構(gòu)在天災(zāi)人禍偶然作用下的抗災(zāi)性能、結(jié)構(gòu)的整體穩(wěn)固性、結(jié)構(gòu)設(shè)計(jì)中的安全層次。修訂規(guī)范增加了“結(jié)構(gòu)方案”的要求,加強(qiáng)了結(jié)構(gòu)分析的內(nèi)容,適當(dāng)增加了構(gòu)件設(shè)計(jì)中的安全儲備,加強(qiáng)了結(jié)構(gòu)構(gòu)件的連接構(gòu)造措施。由于采用高強(qiáng)、高性能材料以及技術(shù)進(jìn)步的成果,在全面提高安全度的條件下,并未引起材料消耗的明顯增加。
[關(guān)鍵詞]混凝土結(jié)構(gòu);結(jié)構(gòu)安全;抗災(zāi)性能;整體穩(wěn)固性
中圖分類號:TU318.4文獻(xiàn)標(biāo)識碼:A文章編號:1002-848X(2011)03-0118-05
Introduction of revision of Code for design of concrete structure:
Safety and calamity resistance performance of concrete structures
Di Xiaotan1, Ye Liping2, Xu Youlin1
(1 China Academy of Building Research, Beijing 100013, China;
2 Department of Civil Engineering, Tsinghua University, Beijing 100084, China)
Abstract:Security issues considerations in the revision of Code for design of concrete structures are briefly introduced, such as calamity resistance performance of structure under the occasional act of natural and man-made disaster, the structural robustness and safety level in the structure design. With the code revision, structural concept requirement is increased, structural analysis is strengthened, the emergency capacity in the designing component is modestly expanded, the connections-structural measures about structural element are also strengthened. Because of the application of high-strength and high-performance materials and technological advance, the reliability improving has not increased the materials consumption obviously.
Keywords:concrete structure; structural safety; resilience performance; robustness
作者簡介:邸小壇,國家建筑工程質(zhì)量檢測中心總工程師,研究員。
葉列平,教授,博士生導(dǎo)師。
徐有鄰,中國建筑科學(xué)研究院結(jié)構(gòu)所顧問,博士,研究員。
注:本文由徐有鄰執(zhí)筆
參考文獻(xiàn)
[1]GB50010—2011混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范[S].北京:中國建筑工業(yè)出版社,2011.
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