利用单钉单剪层合板连接结构挤压性能测试方法和单钉双剪层合板连接结构挤压性能测试方法(ASTM D 5961A/B),对T700/5429开孔层合板螺栓连接结构的挤压性能进行试验研究,分析不同测试方法对开孔层合板连接结构挤压性能的影响.研究表明:两种试验方法中层合板连接构件均在连接孔处出现有效的挤压破坏形式,但单剪连接试验的稳定性差,影响因素较多,试验数据的离散性较大,且测得的连接结构的极限挤压强度和偏移挤压强度均低于双剪试验的结果.因此,双剪试验方法更适合用于复合材料层合板连接结构设计中挤压许用值的测量.
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