現(xiàn)澆混凝土簡(jiǎn)支異形板最優(yōu)配筋方法研究
尚仁杰,李俊安,吳轉(zhuǎn)琴,周建鋒
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現(xiàn)澆混凝土簡(jiǎn)支異形板最優(yōu)配筋方法研究尚仁杰,李俊安,吳轉(zhuǎn)琴,周建鋒(中冶集團(tuán)建筑研究總院結(jié)構(gòu)所,北京 100088)[摘要]根據(jù)喬漢生屈服準(zhǔn)則,得到了板內(nèi)任一點(diǎn)既滿足承載力同時(shí)又滿足兩方向配筋和最小配筋的計(jì)算方法。根據(jù)一點(diǎn)的最優(yōu)配筋方法統(tǒng)一考慮一塊板,得到了整塊板內(nèi)x向和y向統(tǒng)一配筋時(shí)兩個(gè)方向最優(yōu)配筋的上、下限值。給出了利用ANSYS在最優(yōu)配筋的上、下限值范圍內(nèi)尋找整塊板最優(yōu)配筋的計(jì)算方法。通過工程實(shí)例介紹了對(duì)異形板進(jìn)行最優(yōu)配筋計(jì)算的分析方法和計(jì)算過程。[關(guān)鍵詞]異形板;屈服準(zhǔn)則;有限元法;配筋中圖分類號(hào):TU375.2文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2011)01-0068-03Study on the method to calculate the best reinforcement of the simple-supported irregular slabShang Renjie, Li Jun′an, Wu Zhuanqin, Zhou Jianfeng(Central Research Institute of Building and Construction, MCC Group, Beijing 100088, China)Abstract:The method to calculate the best reinforcement of one point was obtained, according to the Johansen yield criterion. The low and up bounds of the reinforcement of x and y directions of the whole slab were obtained based on the method of one point. ANSYS software was used to find the best reinforcement of the whole slab within the low and up bounds. The analysis and calculating method to find the best reinforcement of an irregular slab was introduced through an engineering example.Keywords:irregular slab; yield criterion; FEM; reinforcement作者簡(jiǎn)介:尚仁杰,博士,教授級(jí)高工,Email:shangrj2000@yahoo.com.cn。參考文獻(xiàn)[1]派克 R,根勃爾 W L.鋼筋混凝土板[M].黃國(guó)楨,成源華,譯.上海:同濟(jì)大學(xué)出版社,1992.[2]邵永健.鋼筋混凝土異形板的極限分析[J].蘇州城建環(huán)保學(xué)院學(xué)報(bào),1999,12(1):44-48.[3]童岳生,錢國(guó)芳,吳豹.鋼筋混凝土異形板的試驗(yàn)研究[J].土木工程學(xué)報(bào),1993,26(4):61-68.[4]高秀華.求解異形板彎曲的康托洛維奇法[J].山東建筑工程學(xué)院學(xué)報(bào),1998,13(2):72-76.[5]童岳生,童申家,錢國(guó)芳.鋼筋混凝土L形板的試驗(yàn)研究和極限分析[J].西安建筑科技大學(xué)學(xué)報(bào),1997,29(4):368-372.[6]蘇小卒,季建平,韋玉華.直角三角形鋼筋砼板的計(jì)算用表[J].特種結(jié)構(gòu),2000,17(1):15-19.
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