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首页> 外文会议>7th World Conference on Timber Engineering, WCTE 2002 Vol.1, Aug 12-15, 2002, Shah Alam, Malaysia >EVALUATION OF THE SHEAR PROPERTIES OF FRAMEWORK WALL CONSTRUCTION COMPOSED OF CURVED LVL'S
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EVALUATION OF THE SHEAR PROPERTIES OF FRAMEWORK WALL CONSTRUCTION COMPOSED OF CURVED LVL'S

机译：弯曲LVL组成的框架墙结构抗剪性能评估

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摘要

A framework panel was developed on a model scale using four curved LVL's as the frame members. A series of experiments was carried put for evaluating the shear performance of the framework panel as well as the performance of the curved LVL. First, the performance of the curved LVL was evaluated by measuring its resistance against angular deformation. The resistance in the closing direction was bigger than that of the opening direction. When the outside frame was attached, the performance in both the closing and the opening directions were improved. Next, the framework panels, composed of four curved LVL's (O panel), were subjected to shear loads for evaluating their rigidity. Then, various kinds of framework panels, based on the O panel, were assembled and subjected to shear loads to evaluate their shear rigidity. The shear rigidity of the FO panel, in which the O panel was inserted in the outside frame (F panel) and connected with bolts and nuts, was two-thirds of the rigidity of the panel with a bracing member (BC panel). When pieces of plywood were nailed on both the upper and the lower portions of the FO panel, the panel (PPO panel) showed almost equal values of shear wall resistance as the BC panel. This shows the framework panel composed of curved LVL's has a great potential as a load-bearing wall panel with an open space in the center, with equal or higher shear rigidity than the originally braced panel (BC panel).
机译：使用四个弯曲的LVL作为框架构件以模型比例开发了框架面板。进行了一系列实验，以评估框架面板的剪切性能以及弯曲LVL的性能。首先，通过测量弯曲的LVL的抗角变形能力来评估其性能。闭合方向的阻力大于打开方向的阻力。安装外框后，关闭和打开方向的性能均得到改善。接下来，由四个弯曲的LVL组成的框架面板（O面板）受到剪切载荷以评估其刚度。然后，组装基于O面板的各种框架面板，并承受剪切载荷以评估其剪切刚度。将O面板插入外框（F面板）并用螺栓和螺母连接的FO面板的抗剪刚度是带有支撑部件（BC面板）的面板的三分之二。当将胶合板钉在FO面板的上部和下部上时，面板（PPO面板）的剪切壁阻力值几乎与BC面板相同。这表明由弯曲的LVL组成的框架面板具有巨大的潜力，可作为承重墙面板的中央具有开放空间，其抗剪刚度与原始支撑面板（BC面板）相同或更高。

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