Segment prefabricated assembled pier steel member and construction method and application

Abstract

The invention discloses a segment prefabricated assembled pier steel member which comprises a short steel component, a long steel component and anchoring positioning steel bars, a plurality of first reinforcing ribs are arranged on the short steel component, first vertical bolt holes are formed in the two ends of the short steel component, and a plurality of first horizontal bolt holes are formedin the lower end steel plate; a plurality of second reinforcing ribs are arranged on the long steel component, second vertical bolt holes are formed in the two ends of the long steel component, and aplurality of second horizontal bolt holes are formed in the lower end steel plate; the anchoring positioning steel bars are uniformly scattered in a steel reinforcement cage, spiral teeth are arrangedat the outer ends of the anchoring positioning steel bars respectively, and a plurality of matched reinforcing steel bars are arranged at the inner sides. The invention further provides a construction method and application adopting the steel component. A structural steel component is used for being adopted as a template and a supporting upper portion structure, temporary anchoring is performed,the construction safety is improved, the component can be disassembled after construction is completed to be recycled, and finally, factory prefabrication and on-site rapid assembling construction operation of bridge piers can be achieved.

Description

technical field [0001] The invention belongs to the technical field of civil engineering, and in particular relates to a segmental prefabricated assembled pier steel component, a construction method and an application thereof. Background technique [0002] Conventional bridge construction is to seal off the construction site and cast concrete on site, which will seriously affect the original traffic. At the same time, the noise of mechanical construction will greatly interfere with the surrounding environment, and some assembled bridge piers still exist during use. Insufficient durability of splices. The development and application of new concrete materials such as ultra-ultra-high-performance concrete has prompted great changes in the bridge construction process. The upper structure of the bridge has achieved segmental assembly construction, and some assembled piers still have splicing durability during use. Insufficient problem. For bridges across seas and rivers, the nu...

AI Technical Summary

Problems solved by technology

[0002] Conventional bridge construction is to seal off the construction site and cast concrete on site, which will seriously affect the original traffic. At the same time, the noise of mechanical construction will greatly interfere with the surrounding environment, and some assembled bridge piers still exist during use. Insufficient durability of splices

The development and application of new concrete materials such as ultra-ultra-high-performance concrete has prompted great changes in the bridge construction process. The upper structure of the bridge has achieved segmental assembly construction, and some assembled piers still have splicing durability during use. Insufficient problem

For bridges across seas and rivers, the number of piers is large and the size is large, and the severe corrosion of the marine environment leads to a relatively low turnover and reuse rate of steel formwork; for urban bridges, due to the relatively large number of people and traffic and the construction site Relatively small and other factors are not conducive to modern mechanized construction

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