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一、概述混凝土大坝及其他水工建筑物常因各种原因产生裂缝.由于裂缝的存在,使建筑物的整体性及耐久性因之下降,甚至危及建筑物的安全和寿命.为了估计裂缝的危害性以及制定处理、补强方案,因而需要知道裂缝的深度.以
I. INTRODUCTION Concrete dams and other hydraulic structures often produce cracks due to various reasons. Due to the existence of cracks, the integrity and durability of the buildings are reduced and even endanger the safety and life of the buildings. In order to estimate the cracks The dangers and the formulation of treatment and reinforcement programs, so we need to know the depth of cracks