钢—混凝土组合空腹板架结构的试验研究及工程实践

【作者】 杨想红；

【导师】 黄勇；

【作者基本信息】 贵州大学 ， 结构工程， 2007， 硕士

【摘要】 钢-混凝土组合空腹板架结构是在组合楼盖结构的基础上提出的一种新结构形式，它由下层交叉钢肋、上层混凝土板及连接上下层并使之共同工作的钢管或钢管混凝土剪力键组合而成。本文对组合空腹板架结构作了大量的试验研究及相应的理论分析：首先，对组合空腹板的组成单元——组合空腹梁进行了足尺模型试验，侧重研究组合空腹梁下层钢肋、上层混凝土板的内力分布规律，对组合空腹板建立了基于空间梁单元与壳单元的混合元计算模型、空间壳单元计算模型两种有限元分析方法，对试验模型进行了理论分析；其次，依托某一实际对组合空腹板架结构作了原位静力试验研究，并对组合空腹板架结构建立了基于空间梁单元与壳单元的混合元计算模型，对试验进行了理论分析；再次，同样是依托某实际工程，对该组合空腹楼盖结构进行了原位试验，测试了结构自由振动的基本频率，并与理论计算值进行了比较和分析；最后，对组合空腹板架结构中的重要组成部分方形钢管剪力键作了拟静力试验研究，研究了它的滞回性能，同时对方形钢管剪力键作了非线性理论分析。最后，本文详细介绍了一实际工程的设计及施工过程。更多还原

【Abstract】 The stell-concrete composite open-web plate is a fresh structure form which is advanced based on composite plate structure. It is made of lower crossing steel ribs,upper concrete plate and shear blocks of steel tubes or concrete-filled steel tubes which connect the upper and the lower members and make them work together. In this paper, the massive experimental study and theoretical analysis are done to composite open-web plate. Firstly, In order to study the static behavior of this structure,composite open-web beams,the basic unit of the composite open-web plate,were analyzed. A full scale model composite open-web beam was tested. The law of internal force distribution for upper concrete plate and lower steel ribs of the composite open-web beams had been studied in detail. Two theoretical calculation models,the combination of beam element and shell element model and the spatial shell element model were established to analyze the composite open-web plate. Secondly, depended on some practically project field test is actual to research the static behavior of the composite open-web plate ,at the some time , a theoretical calculation models,the combination of beam element and shell element model was established to analyze the composite open-web plate. Thirdly , depended on some practically project field test is actual to research the dynamical behavior of the composite open-web plate, And has carried on the comparison and the analysis with the theorypredicted value. Finally, the quasi-static test is done to the stell-tube shear blocks which are important in the composite open-web plate structure to study the component’s hysteresis loop. Meanwhile the non-linearized theory analysis has made to the stell-tube shear blocks. Finally this article introduced in detail an actual project design and the construction process.更多还原