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鋼板-磚砌體組合短柱軸心受壓局部屈曲性能研究*
陳玉立1，曹雙寅2，敬登虎2
摘 要

 

（1蘇州設(shè)計(jì)研究院股份有限公司，蘇州215021；2東南大學(xué)，南京210096）
 
[摘要]在磚柱表面外包鋼板形成鋼板-磚砌體組合柱，可以大大提高原有砌體的承載力、延性與外包鋼板的屈曲性能。本文通過已有鋼板-磚砌體組合短柱軸壓靜載試驗(yàn)及有限元模擬，分析鋼板-磚砌體組合短柱的工作機(jī)理?；阡摴芑炷良氨“寰植壳碚?，提出鋼板-磚砌體組合短柱局部屈曲臨界應(yīng)力的計(jì)算方法，并對(duì)影響鋼板局部屈曲的若干因素進(jìn)行探討。
[關(guān)鍵詞]鋼板;磚砌體;軸心受壓;局部屈曲性能;能量法
中圖分類號(hào)： TU317      文獻(xiàn)標(biāo)識(shí)碼：A      文章編號(hào)：1002-848X(2013)S1-0493-05
 
Local buckling behavior of steel plate-masonry composite column subjected to axis force
Chen Yuli1, Cao Shuangyin2, Jing Denghu2
(1 Suzhou Institute of Architectural Design Co., Ltd., Suzhou 215021,China; 2 Southeast University, Nanjing 210096,China)
 
Abstract: The axially compressive bearing capacity, as well as the local buckling behavior and the ductility may be further enhanced, by bonding steel plate around masonry column. This article is to acquire the bearing mechanism of steel plate plate-masonry composite column via the axially compressive static tests of 6 steel plate-masonry short column specimens and finite element method. Basing on the theory of concrete-filled steel tube column and the energy method ,the calculation formula of the critical local buckling stress for this kind of composite column has also been deduced, some factors influencing the local buckling behavior also has been analyzed.
Keywords: steel plate; masonry; axially compressed; local buckling; energy method
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