日式剪力墙覆面板钉连接性能试验研究
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摘要
剪力墙是日式梁柱式木结构最主要的抗侧力构件,其抗侧力取决于覆面板钉连接的性能。按照日式剪力墙构造制作剪力墙覆面板钉连接试件,分别进行单调和往复加载试验,分析钉连接的破坏模式、荷载-位移曲线及承载力,并对相关曲线进行拟合分析。研究表明,加载方式对钉连接测试结果有明显影响;落叶松胶合板和辐射松/杨木复合胶合板的覆面板钉连接性能均较好,二者承载力相近。
Shear wall is the main element to resist lateral force in Japanese-style post-and-beam structures,whose performance is affected by nail connections. Specimens of sheathing nail connections were manufactured based on Japanese-style shear wall and tested in monotonic and cyclic loading in groups.Load-displacement curves and bearing capacity were recorded during failure. The load-displacement curves and skeleton curves of the hysteresis curves were then fitted by an exponential function using the least square method. We found that performance of the nail connections with Larch plywood and Radiata pine/Poplar combination plywood all worked very well with similar bearing capacity,but was influenced by loading conditions.
Shear wall is the main element to resist lateral force in Japanese-style post-and-beam structures,whose performance is affected by nail connections. Specimens of sheathing nail connections were manufactured based on Japanese-style shear wall and tested in monotonic and cyclic loading in groups.Load-displacement curves and bearing capacity were recorded during failure. The load-displacement curves and skeleton curves of the hysteresis curves were then fitted by an exponential function using the least square method. We found that performance of the nail connections with Larch plywood and Radiata pine/Poplar combination plywood all worked very well with similar bearing capacity,but was influenced by loading conditions.
引文
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[2]高颖,杨越,伊松林,等.日本预制装配式框板胶合木结构的技术特点及研究现状[J].木材工业,2013,27(4):20-24.
[3]林晨.日本木结构独立住宅的建造及其人性化特点[J].华中建筑,2012(5):29-33.
[4]Collins M,Kasal B,Paevere P,et al.Three-dimensional model of light frame wood buildings.I:Model description[J].Journal of Structural Engineering,2005,131(4):676-683.
[5]程海江.轻型木结构房屋抗震性能研究[D].上海:同济大学,2007.
[6]陈志勇.轻型木结构中剪力墙钉连接承载性能试验研究[D].哈尔滨:哈尔滨工业大学,2006.
[7]周楠楠.强震区轻型木结构抗震性能研究[D].上海:同济大学,2010.
[8]邹晓静,郭云,刘雁.轻型木结构中钉节点试验研究[J].建筑结构,2010(3):111-114.
[9]周红梅.木结构钉连接力学性能试验研究[D].长沙:中南林业科技大学,2015.
[10]阙泽利,李哲瑞,王菲彬,等.高盐环境对钉连接木结构抗剪性能的影响[J].工业建筑,2015(9):81-85.
[11]熊海贝,化明星,康加华,等.轻型木结构钉节点低周反复试验研究[J].结构工程师,2011,27(z1):195-200.
[12]熊海贝,化明星,杨春梅,等.低周反复荷载作用下钉节点性能试验研究[J].四川建筑科学研究,2012,38(4):1-5.
[13]熊海贝,潘志付,康加华,等.轻型木结构面板钉节点单调加载试验研究[J].结构工程师,2011,27(6):106-112.