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预制装配式圆竹结构房屋的试验与应用
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Experimental Research and Application of Prefabricated Bamboo Pole House
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    摘要:

    选用我国丰富的毛竹作为结构材料,对圆竹的主要物理力学指标进行了试验与分析.研究结果表明,圆竹的基本力学指标高于TC13级针叶木材,可以作为结构材料使用.设计了几种圆竹构件和结构的金属连接件,基本实现了圆竹构件加工的标准化和施工的预制化.设计了基于墙板模数的圆竹墙体单元,并对2片墙体进行了抗侧力试验,圆竹墙体的抗侧力性能与U型连接件密切相关,抗侧向能力约为同类型轻型木结构墙体的65%.进行了3个圆竹屋架的静载试验,结果表明屋架的极限承载力由变形控制,平均值为12.3 kN.根据试验结果和木结构设计规范,设计和建造了一个约50 m2的预制装配式圆竹房屋示范建筑,验证了该技术的可行性和适用性.示范建筑已使用3年多,目前状况良好.

    Abstract:

    Moso bamboo, a kind of rich forest resource in China, was selected as the building material and tested.The physical and mechanical properties have been tested, and the results show that the main mechanical properties of bamboo pole are better than those of TC13 grade of coniferous wood.So Moso bamboo poles can be used as a structural material.Several types of metal connections were presented to connect bamboo poles with other materials, and the processing standardization has been almost fulfilled by utilizing the metal connections.Two pieces of shear walls made of bamboo poles were conducted through lateral resistance tests.The lateral resistance capacity of this kind of shear wall is about 65%, compared with the same wall of light wood structure.Three pieces of bamboo pole trusses were tested, and the ultimate loading capacity is 12.3 kN.A prefabricated bamboo pole demonstration house with a construction area of 50 m2 was designed and constructed according to the testing results and the code for the design of timber structures.The demonstration house has been used for about three years and its condition is desirable.

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单 波,高 黎 ,肖 岩,王 正.预制装配式圆竹结构房屋的试验与应用[J].湖南大学学报:自然科学版,2013,40(3):7~14

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