Fully assembled light abutment and construction method thereof

Abstract

The invention discloses a fully assembled light abutment. The abutment comprises a pile foundation, a cushion cap, an abutment cap, double baffle blocks, a back wall bracket and a wing wall, the double baffle blocks are connected with the back wall bracket and installed on the cushion cap, the cushion cap, the abutment cap, the double baffle blocks, the back wall bracket and the wing wall are UHPCprefabricated components internally provided with reinforcement cages, the pile foundation is an NC prefabricated component or a UHPC prefabricated component internally provided with reinforcement cages, the cushion cap is connected with the pile foundation through an H-shaped steel plate with a sealing end cover plate, the abutment cap, the wing wall and the back wall bracket are connected withthe cushion cap through H-shaped steel plates with sealing end cover plates, the double baffle blocks are in tensile connection with the abutment cap through prestress reinforcing bars, and the back wall bracket is in tensile connection with the wing wall through prestress reinforcing bars; the construction method of the structure is included. According to the fully assembled light abutment, a fully assembled structure is adopted, the abutment has the advantages of being fast in construction speed, simple in process, easy to control in engineering project quality, less in occupation space of construction sites and the like, and the existing problem of slow construction process, the quality problem brought by hydration heat when large volume concrete construction is conducted, the problemsof large occupation space and environmental pollution and the like of traditional abutments can be effectively solved.

Description

technical field [0001] The invention relates to a bridge component and a construction method thereof, in particular to a fully assembled light abutment and a construction method thereof. Background technique [0002] At present, the bridge substructure in our country mainly adopts the construction method of cast-in-place. The construction period of on-site pouring is long, the amount of labor is large, the on-site pouring is affected by the weather, the construction quality is not easy to guarantee, and the construction covers a large area, and the on-site pouring may cause a lot of waste of concrete due to long-distance transportation of concrete and the professional quality of construction personnel. , causing a large number of direct economic losses, and serious pollution to the surrounding area during the construction process. In order to overcome these unfavorable factors, it is an urgent problem to be solved in bridge construction to find a construction speed block an...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a fully assembled light abutment and its construction method, which utilizes the characteristics of UHPC ultra-high compressive strength and ultra-high toughness to ensure the strength and stability of components On the premise of greatly reducing the component size, reducing the requirements for mechanical transportation and hoisting capacity in the assembly construction; prefabricating the large components of the abutment in blocks can avoid the quality problems caused by the hydration heat during the construction of large-volume concrete, and can effectively solve the traditional In the cast-in-place construction method of the abutment, there are problems such as slow progress, large construction area and serious environmental pollution, and the structural force is clear, the quality is easy to control, and the construction process is simple

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