超声-回弹法及钻芯法在石头河东干渠东滑峪渡槽检测中的应用

Ultrasonic rebound method and core drilling method applied in security evaluation of donghuayu aqueduct

渡槽是一种常见的水工建筑物，目前服役的渡槽多数普遍存在设计标准低、施工质量差、老化失修现象，且没有考虑抗震要求，需要进行加固改造，本文通过对东滑峪渡槽用超声-回弹综合法，结合钻芯法进行各类构件的长龄期混凝土强度现场测试，两种方法测试的结果得到了相互印证，为结构的安全验算以及抗震加固设计提供科学依据。

Aqueduct bridge is a type of water conservancy in common use. There is lots of disease in the servicing aqueduct such as lower design standards, construction equality problems and material aging, further more no aseismic design for the aqueduct. So it's necessary for aqueduct to be reinforced. In this paper, the strength of oldage concrete for elements in Donghuayu aqueduct is testing with ultrasonicrebound method, compared with core drilling method testing the strength is similar. The testing results provide a reference to the security evaluation and aseismic reinforcement of the aqueduct.