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鋼管再生混合柱在紫金縣文化活動(dòng)中心的應(yīng)用
劉瓊祥1,吳波2,蔡慶雄1,劉偉1,許喆1,周健能1,趙新宇2
摘 要
(1 深圳市建筑設(shè)計(jì)研究總院有限公司,深圳 518031;2 華南理工大學(xué)亞熱帶建筑科學(xué)國家重點(diǎn)實(shí)驗(yàn)室,廣州 510640)
[摘要]簡要介紹了鋼管再生混合柱在紫金縣文化活動(dòng)中心的應(yīng)用,論述了針對本工程開展的試驗(yàn)研究。比較了華南理工大學(xué)進(jìn)行的4mm厚和1mm厚鋼管再生混合柱的軸心抗壓承載力實(shí)測值與按CECS28:90計(jì)算方法所得的計(jì)算值。充分考慮舊混凝土在鋼管中分布的均勻性以及新舊混凝土強(qiáng)度的差異性,提出了鋼管再生混合柱軸心抗壓承載力的計(jì)算方法。
[關(guān)鍵詞]鋼管再生混合柱;工程應(yīng)用;足尺試驗(yàn);軸心抗壓承載力
中圖分類號(hào):TU398文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2011)05-0009-04
Application of steel stub columns filled with demolished concrete segment/lump in Culture & Entertainment Centre of Zijin County
Liu Qiongxiang1, Wu Bo2, Cai Qingxiong1, Liu Wei1, Xu Zhe1, Zhou Jianneng1, Zhao Xinyu2 (1 Shenzhen General Institute of Architectural Design and Research Co., Ltd., Shenzhen 518031, China;2 State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, China)
Abstract:The application of steel stub columns filled with demolished concrete segment/lump (DCS/L) in Culture & Entertainment Centre of Zijin County was presented. An experiment including two full-size DCLs filled steel tubular stub columns cast on site was discussed. According to CECS28:90, the axial load bearing capacities of the specimens were calculated and compared with the tested axial load bearing capacities of steel stub columns filled with DCS/L with 1mm and 4mm in thickness. Considering of the distribution uniformity of demolished concrete in steel tube and the difference between demolished and cast-in-situ concrete, a formula was proposed to determine the axial ultimate strength of steel stub columns filled with DCS/L.
Keywords:steel stub column filled with demolished concrete segment/lump; engineering application; full-size test; axial load bearing capacity
作者簡介:劉瓊祥,教授級(jí)高級(jí)工程師,一級(jí)注冊結(jié)構(gòu)工程師,Email:liu.qx@szonline.net。
參考文獻(xiàn)
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