Method for controlling emptiness sound of bearing plate of prestressed post-tensioned box beam
A bearing plate and prestressing technology, which is applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of bearing plate fasting sound, dense steel bars, and poor concrete penetration, so as to reduce later maintenance and improve product quality. Effect
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[0013] The specific implementation of the present invention will be further described with reference to the accompanying drawings.
[0014] The method for controlling the hollow sound of the support slab of the prestressed post-tensioned box girder includes the pouring sequence of the cemented stones on the inner surface of the support slab and the concrete near the support slab.
[0015] (1) Bond the stones on the inner surface of the bearing plate 3, the specific method is as follows: before the bearing plate 3 is installed, use steel glue to uniformly bond the crushed pieces with a particle size of 20-25mm on the surface of the embedded surface of the bearing plate 3 The spacing L between stone 5 and crushed stone 5 is 100-150mm, and the bonding position of crushed stone 5 should avoid the mesh reinforcement of the beam at the seat. The bonding of crushed stone 5 should be firm to ensure that the crushed stone is bonded during concrete pouring. Not to be disturbed.
[0016] (2) T...
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