混凝土结构物的非破坏性检验ＨｕｗＷｉｌｌｉａｍｓ对于业已完工的混凝土结构物有好几种非破坏性试验技术，用以确定它的完整性。每一种都有它的优点和缺点。本文介绍的方法主要是用于探测在建筑物内部或建筑物背后存在的一些空洞。运用这种技术可评估的结构物包括：混凝... Nondestructive Testing of Concrete Structures HuwWilliams has several non-destructive testing techniques for finished concrete structures to determine its integrity. Each has its own advantages and disadvantages. This article describes the method is mainly used to detect the existence of some inside the building or behind some of the hollow. Structures that can be evaluated using this technology include: ...