An Integral Abutment Seamless Bridge Using Double-layer Concrete Steel Tube Flexible Pile
A technology of steel tube concrete and integral abutment, which is applied in the direction of bridges, bridge parts, bridge construction, etc., and can solve the problems of poor absorption of horizontal deformation, poor seismic performance and energy consumption performance, and poor seismic performance and energy consumption performance. and other issues, to achieve good horizontal and longitudinal displacement, improve seismic performance and energy dissipation performance, and have good seismic performance and energy dissipation performance
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[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below through specific embodiments and related drawings.
[0020] Such as Figure 1~3 As shown, an integral abutment seamless bridge using double-layer concrete-filled steel tube flexible piles includes a main girder 5 of the bridge body and a concrete-filled steel tube pile body 4 inserted into the ground. The cross-section of the pile body 4 is a flat structure. The pile body 4 includes an inner steel pipe 3 and an outer steel pipe 1 sleeved on its periphery. Concrete 2 is poured in the cavity formed between the outer peripheral wall of the inner steel pipe 3 and the inner peripheral wall of the outer steel pipe 1. No concrete is filled, thus the inner steel pipe 3, the outer steel pipe 1 and the concrete 2 work together to improve the ductility of the pile and form a double-layer steel pipe concrete flexible pile, ...
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