- 摘 要
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張 勇1 劉錫良2 石永久1 王元清1
（1 清華大學(xué)土木系 北京 100084； 2 天津大學(xué)土木系 300072）[提要] 將金屬拱型波紋屋蓋結(jié)構(gòu)模擬成帶肋的正交異性筒殼，運(yùn)用由空間梁單元和板殼元組成的混合有限元程序?qū)ξ萆w結(jié)構(gòu)進(jìn)行幾何非線性分析，從而明確了不同的山墻構(gòu)造對不同縱跨比屋蓋結(jié)構(gòu)承載力的影響，得到了一些有用的結(jié)論，可供設(shè)計(jì)參考。
[關(guān)鍵詞] 金屬拱型波紋屋蓋 山墻 縱跨比 等效正交異性 幾何非線性分析Arched corrugated metal roof is modeled as ribbed orthotropic shell, and analyzed with geometrically nonlinear finite element program composed of spatial beam element and shell element. The influence of different end wall constitutions on the load bearing capacity of the roofs with different length-to-span ratios is made clear,and some valuable conclusions are drawn from the study.
Keywords: arched corrugated metal roof( ACMR); end wall; length to span ratio; equivalent orthotroplc; geometrically nonlinear analysis
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