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Analysis of Metal Plate Connected Wood Truss Assemblies under Out-of-Plane Loads

机译:平面外负载下的金属板连接木桁架组件分析

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Metal plate connected wood trusses (MPCWT) are not designed to carry out-of-plane loads and performance of MPCWT assemblies under these loads are not considered. The goal of this research is to compare structural analysis models of MPCWT assemblies under out-of-plane loads to previous experimental data. The rotational stiffness of truss-wall connections, and truss bracing elements were evaluated for inclusion in the structural analysis model. A parametric study considering load location, joint stiffness and dimensions of MPCWT assembly was conducted. The structural analysis model of the MPCWT assemblies had first truss deflections within 4% difference of experimental results. Variation of the load location along the length of the MPCWT assembly produced a 9% difference in maximum deflection. The rotational stiffness of lateral and diagonal bracing should be included as model inputs for the accurate representation of experimental behavior since neither pin nor rigid assumptions were not correct.
机译:金属板连接木桁架(MPCWT)没有被设计成进行面外负荷和这些负载下MPCWT组件性能不考虑。这项研究的目的是出平面外载荷以前的实验数据下比较MPCWT组件结构分析模型。桁架壁连接,并且桁架支撑元件的转动刚度列入结构分析模型进行了评价。考虑负荷位置,关节僵硬和MPCWT的尺寸的参数研究组件进行。所述MPCWT组件的结构分析模型具有的实验结果4%差内第一桁架偏转。沿MPCWT长度的负载位置的变化组件产生在最大偏转9%的差异。横向和对角支撑的旋转刚度应包括作为用于实验的行为准确表示模型的输入因为无论销也不刚性的假设是不正确的。

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