Bridge integrally-assembled pier and construction method

A prefabricated and integrated technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of complicated processes, insufficient seismic performance, economic disadvantages, etc., to simplify the connection process, facilitate energy saving, material reduction and environmental protection.

Inactive Publication Date: 2016-10-26
ANHUI TRANSPORT CONSULTING & DESIGN INST
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Problems solved by technology

The amount of concrete and steel used in the prefabricated components of the traditional bridge substructure is equivalent to that of the cast-in-place structure, and the economy is at a disadvantage after considering the transportation and hoisting costs
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Method used

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  • Bridge integrally-assembled pier and construction method
  • Bridge integrally-assembled pier and construction method
  • Bridge integrally-assembled pier and construction method

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Embodiment Construction

[0028] The essence of the present invention will be further described below in conjunction with the accompanying drawings and specific implementation, but the content of the present invention is not limited thereto.

[0029] see figure 1 and 5 , an integrally assembled pier of a bridge: including 2 sets of assembled PHC pipe piles 1, 2 assembled caps 2, 1 assembled tie beam 3, 2 segmental prefabricated pier bodies 4, 1 assembled cover beam 5. Two pier body anchoring end bases 7. Among them, the assembled PHC pipe pile 1 is a pile group architecture, such as figure 2 and 3 shown. A fabricated cap 2 is connected to the top of each fabricated PHC pipe pile 1 . Two fabricated caps 2 are connected by a fabricated tie beam 3 .

[0030] On the top of each fabricated cap 2 there is a pier body anchoring end base 7, such as Figure 4 shown. The segmental prefabricated pier body 4 and the prefabricated cover beam 5 are installed on the top of the base 7 at the anchorage end of t...

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Abstract

The invention discloses a bridge integrally-assembled pier and a construction method. The structural system of the bridge integrally-assembled pier is composed of integrally-assembled PHC pipe piles, assembled bearing platforms, an assembled tie beam, segment prefabricated pier bodies, an assembled cover beam and other components. The assembled bearing platforms, the assembled tie beam, the segment prefabricated pier bodies and the assembled cover beam are connected through steel pipes and a prestressing system. In the installation process, a prestressing tendon penetrates through all the components at first, positioning is completed through steel pipe sleeves under the self weight condition, the prestressing steel tendon is tensioned integrally, and a system is formed. According to the bridge integrally-assembled pier and the construction method, the components all adopt an industrialized production process and an assembly installation process, the construction period is shortened, and environment protecting is facilitated; a part of the components is made of high-strength concrete, so that materials are saved, and the construction cost is reduced; the detachable, replaceable and recycling effects are achieved, and energy saving and emission reducing are facilitated; and the seismic performance of the system is excellent.

Description

technical field [0001] The invention relates to the field of bridge engineering construction, in particular to a structural form and a construction method of an integrally assembled pier of a bridge. Background technique [0002] Assembled bridge piers are divided into several components along the vertical modularization, such as cap beams (pier caps), pier bodies, caps, pile foundations, etc., which are manufactured in factories or prefabricated sites, and then transported to the construction site for construction. Assembled on site. Compared with cast-in-place components, its advantages mainly include: factory prefabrication and other stages of construction on site can be carried out at the same time, shortening the construction period; factory standardized production is conducive to quality assurance and reduced labor costs; it is conducive to environmental protection and has better adaptability in complex climates and environments. powerful. This is in line with the de...

Claims

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Application Information

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IPC IPC(8): E01D19/02E01D21/00E02D27/12E02D27/14
CPCE01D19/02E01D21/00E02D27/12E02D27/14
Inventor 袁瑞程远志徐宏光席进杨善红赵勇吴平平武东超靳洪波甘旭东戴玮陶鹏魏民黄江许大晴
Owner ANHUI TRANSPORT CONSULTING & DESIGN INST
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