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中美混凝土结构设计规范抗震承载力安全度设置水平的比较研究
42 () Vol.42 Sup.
2009 10 Engineering Journal of Wuhan University Oct.2009
:1671-8844(2009)S2-0177-07
李健祥, 侯建国
(, 430072)
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:TU 37 A
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Comparison on safety level of aseismic capacity between Chinese
and American codes of concrete structure design
LI Jianxiang, HOU Jianguo
(School of Civil and Architectural Engineering, Wuhan University, Wuhan 430072, China)
Abstract:Thebasicprinciples of aseis ic design in Chinese and A ercian codes are introduced;and the differ-
ences between the codes are co pared.Based on the codes about the concrete structural co ponents aseis ic
bearing capacity checking, between Chinese and A ercian concretestructure design codes, taking thebasiccon-
creteco ponents of Chinese structure seis ic level of four, seis ic design category for standard fortification
class as the bench ark, fro the perspective of safety factor of the subfactor design expression, calculating and
co paring the safety level set of the aseis icbearing capacity of the basicco ponents checked for the concrete
structure in theChinese and A erican codes, thequantitativedata of thedifferencein the safety level of the con-
crete structural co ponents aseis ic bearing capacity between Chinese and A erican codes are obtained.A
nu ber of a end ents on thechecking of aseis ic bearing capacity of Chinese code are suggested;that can be
for referencein engineering applications and future revisions of Chinese codes.
Key words:concrete structure;aseis ic bearing capacity;safety level set;safety factor;co parison
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