多层混凝土结构初步设计阶段应用中欧规范时主要参数设定对比
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摘要
从上部混凝土结构初步设计相关的主要参数设定上,比较中欧规范的异同。中欧规范对结构重要性的分类、设计使用年限的分类基本一致,各类极限状态下的组合表达式形式基本一致,但在荷载分项系数上有差异。同中国规范相比,欧洲规范的活荷载整体取值更高,对雪荷载的计算更为细致,对风荷载的计算有一定区别。中欧规范对普通钢筋的强度和延性的要求类似,混凝土强度设计值差别不大,但欧洲规范对耐久性要求更高。在参考欧洲规范设计时,应注意基本组合的选择和国家附录对部分参数取值的变化。
Parameters in Chinese and European codes for multistory concrete structures were compared.Specifications related to consequence definition,design life,and load combination in Chinese code are similar to those in European code.However,the values of loading factors are different between two codes.Comparing to Chinese code,the values of the uniformly distributed live loads are larger in the European code.The calculating methods about snow loads are simialr but the specification about wind loads are different in two codes.In both codes,steel strength is similar but concrete strength is slightly different.Durability is more demanding in European codes.Therefore,parameter seletion and load combination need to be carefully considered when using the two diffferent codes.
Parameters in Chinese and European codes for multistory concrete structures were compared.Specifications related to consequence definition,design life,and load combination in Chinese code are similar to those in European code.However,the values of loading factors are different between two codes.Comparing to Chinese code,the values of the uniformly distributed live loads are larger in the European code.The calculating methods about snow loads are simialr but the specification about wind loads are different in two codes.In both codes,steel strength is similar but concrete strength is slightly different.Durability is more demanding in European codes.Therefore,parameter seletion and load combination need to be carefully considered when using the two diffferent codes.
引文
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[19]吴元元,任光勇,颜潇潇,等.欧洲与中国规范风荷载计算方法比较[J].低温建筑技术,2010,(6):63-65.Wu Yuanyuan,Ren Guangyong,Yan Xiaoxiao,et al.Comparison of wind loaddesign approaches in Eurocode with Chinese codes[J].Low Temperature Architecture Technology,2010,(6):63-65.(in Chinese)
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[21]中华人民共和国住房和城乡建设部.GB/T50476—2008混凝土结构耐久性设计规范[S].北京:中国建筑工业出版社,2008.Ministry of Housing and Urban-rural Development of the People's Republic of China.GB/T 50476—2008Code for durability design of concrete structure[S].Beijing:China Architecture and Building Press,2008.(in Chinese)
[22]薛颖亮,李云贵.关于欧洲风荷载规范的研究与程序实现[C].第二届工程建设计算机应用创新论坛,上海,2009.Xue Yinliang,Li Yungui.Study on wind load according to Eurocode and program implementation[C].Shanghai:Second forum on innovation in computer application to construction,2009.(in Chinese)
[2]严亚林.欧洲混凝土规范构件设计及其与中国规范的比较研究[D].北京:中国建筑科学研究院,2010.Yan Yalin.A study on Eurocodes about the RC elements design and comparison between Eurocodes and Chinese Codes[D].Beijing:China Academy of Building Research,2010.(in Chinese)
[3]贡金鑫,车轶,李荣庆.混凝土结构设计[M].北京:中国建筑工业出版社,2009.Gong Jinxin,Che Yi,Li Rongqing.Design on reinforced concrete structures[M].Beijing:China Architecture and Building Press,2009.(in Chinese)
[4]薛颖亮.中欧风荷载、地震作用、荷载效应组合的对比研究及欧洲规范版SATWE软件开发[D].北京:中国建筑科学研究院,2010.Xue Yinliang.Comparative research of wind load,seismic action,load and effect combination between European and Chinese codes anddevelopment of European version SATWE[D].Beijing:China Academy of Building Research,2010.(in Chinese)
[5]申剑铭,王俊平,李孟雄.欧洲规范结构设计原则简介[J].工业建筑,2011,41(2):102-107.Shen Jianming,Wang Junping,Li Mengxiong.Brief introduction to structural design with Eurocodes[J].Industrial Construction,2011,41(2):102-107.(in Chinese)
[6]赵英杰,朱华宝.用欧美规范对境外建筑进行结构设计对比分析[J].山西结构,2012,38(6):42-44.Zhao Yingjie,Zhu Baohua.Comparison and analysis to abroad structure design according to Eurocodes and American codes[J].Shanxi Architecture,2012,38(6):42-44.(in Chinese)
[7]Eurocode-basis of structural design[S].CEN,2002
[8]Eurocode 1:Actions on structures-Part 1-1:General actions-densities,self-weight,imposed loads for buildings[S].CEN,2002.
[9]Eurocode 2:Design of concrete structures-Part 1-1:General rules and rules for buildings[S].CEN,2004.
[10]Eurocode 3:Design of steel structures-Part 1-1:General rules and rules for buildings[S].CEN,2005.
[11]中华人民共和国住房和城乡建设部.GB 50068—2001建筑结构可靠度设计统一标准[S].北京:中国建筑工业出版社,2001.Ministry of Housing and Urban-rural Development of the People's Republic of China.GB 50068—2001Unified standard for reliability design of building structures[S].Beijing:China Architecture and Building Press,2001.(in Chinese)
[12]中华人民共和国住房和城乡建设部.GB 50011—2010建筑抗震设计规范[S].北京:中国建筑工业出版社,2010.Ministry of Housing and Urban-rural Development of the People's Republic of China.GB 50011—2010Code for seismic design of buildings[S].Beijing:China Architecture and Building Press,2010.(in Chinese)
[13]韩秀星,刁波.中国与欧洲混凝土结构规范耐久性设计异同[J].混凝土,2010,43(3):54-57.Han Xiuxing,Diao Bo.Designing code comparison of the concrete structure durability between China and Europe[J].Concrete,2010,43(3):54-57.(in Chinese)
[14]中华人民共和国住房和城乡建设部.GB 50009—2012建筑结构荷载规范[S].北京:中国建筑工业出版社,2012.Ministry of Housing and Urban-rural Development of the People's Republic of China.GB 50009—2012Load code for the design of building structures[S].Beijing:China Architecture and Building Press,2012.(in Chinese)
[15]Eurocode 1-Actions on structures-Part 1-3:General actions-Snow loads[S].CEN,2003.
[16]UK national annex to Eurocode 1:Actions on structures-Part 1-3:General actions-Snow loads[S].BSI,2003.
[17]Eurocode 1:Actions on structures-Part 1-4:General actions-Wind actions[S].CEN,2005.
[18]洪小健,顾明.顺风向等效风荷载及响应——主要国家建筑风荷载规范比较[J].建筑结构,2004,34(7):39-43.Hong Xiaojian,Gu Ming.Along-wind equivalent wind load and response—comparison of wind load on codes between main countries[J].Building Structure,2004,34(7):39-43.(in Chinese)
[19]吴元元,任光勇,颜潇潇,等.欧洲与中国规范风荷载计算方法比较[J].低温建筑技术,2010,(6):63-65.Wu Yuanyuan,Ren Guangyong,Yan Xiaoxiao,et al.Comparison of wind loaddesign approaches in Eurocode with Chinese codes[J].Low Temperature Architecture Technology,2010,(6):63-65.(in Chinese)
[20]UK National Annex to Eurocode-Basis of structural design[S].BSI,2005.
[21]中华人民共和国住房和城乡建设部.GB/T50476—2008混凝土结构耐久性设计规范[S].北京:中国建筑工业出版社,2008.Ministry of Housing and Urban-rural Development of the People's Republic of China.GB/T 50476—2008Code for durability design of concrete structure[S].Beijing:China Architecture and Building Press,2008.(in Chinese)
[22]薛颖亮,李云贵.关于欧洲风荷载规范的研究与程序实现[C].第二届工程建设计算机应用创新论坛,上海,2009.Xue Yinliang,Li Yungui.Study on wind load according to Eurocode and program implementation[C].Shanghai:Second forum on innovation in computer application to construction,2009.(in Chinese)
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