地表水平正反敲击激振下孔法剪切波速测试理论依据讨论

肖妍姗, 周正华, 苏杰, 魏鑫

Discussion about the theoretical basis of the down-hole method for shear wave velocity test under surface forward and reverse horizontal hammer strikes

XIAO Yan-Shan, ZHOU Zheng-Hua, SU Jie, WEI Xin

图1 地表水平正反敲击下孔法S波波速测试 a—地表水平敲击下孔法波速测试示意;b—北京某场地正反向地表水平敲击下孔法S波波速测试获得的记录波形;c—地表水平激振下孔法S波波速测试三维分析模型

Fig.1 Surface level positive and negative percussion hole method S-wave velocity test a—schematic of downhole seismic method with surface plank source;b—signal traces recorded at different testing depth by downhole seismic method at a site in Beijing;c—3D numerical analysis model of downhole seismic method