Inspect and locate the cavities or buried object in the ground to avoid obstruction in construction.
During the construction of civil and building structure, the cavities and buried objects in the foundation and concrete may be an obstruction for it. The inner cavities deteriorate the soundness of structure, it may lead to big accident such as collapsing. Grasp with the internal situation, it is possible to prevent the accident and prolong the life of structure eventually. We select the suitable inspection method considering with the characteristics of structure, and lead to the precise result.