Abstract
At present, composite slabs in our country have been widely used. There are few studies on the dynamic characteristics of assembled composite slabs in the existing literature. In this paper, the time history curve and amplitude spectrum of ribbed pre-stressed concrete composite slabs have been measured in the field, and the frequency changes in their dynamic characteristics have been analysed with YSV dynamic signal acquisition and analysis system. The reasons affecting the dynamic characteristics of ribbed prestressed concrete composite slabs are analysed, and the first six modal frequencies of ribbed prestressed concrete composite slabs are obtained, which lays a foundation for the construction quality inspection of ribbed prestressed concrete composite slabs.
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