【摘要】 采用以全波震相分析为理论基础的多波地震勘探技术，以超声波频段的多波型、多震相及多种技术方法，对南江沉管隧道水底基础结构的不均匀性进行了无损检测检测的主要内容为水底基础的膨润土水泥砂浆强度与沉管底面钢板之间间隙的比例、间隙中残积物物性及强度。膨润土水泥砂浆强度、混凝土路基至河床基底分层状况等介绍了在解决这一技术难题时，开展的多波地震勘探的技术思路、主要方法及勘探结果，结果表明这种方法是有效的．更多还原

【Abstract】 It is introduced that the application of the technology in quality testing of Yongjiang River submarine tuber tunnel foundation which is complex and heterogeneous in the paper. The technology includes engineering multi-wave seismic prospeCting, ultrasonic seismic model experiment and other testing method. The testing contents includes quality, thickness and strength of the injecting cement mortar layer, materials in the gaps, state of layer divided for foundation.更多还原