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Reverse operation construction rapid channel sinking culvert construction method

A construction method and fast technology, applied in the direction of roads, roads, artificial islands, etc., can solve the inconvenience of pedestrians crossing the road, and achieve the effect of fast construction progress, avoiding inconvenience, and saving cantilever support piles

Inactive Publication Date: 2020-11-03
南通隆嘉机械科技有限公司
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a construction method for the submerged culvert of the expressway by reverse operation, so as to solve the inconvenience caused by the closure of the road to pedestrians when constructing the submerged culvert under the expressway

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  • Reverse operation construction rapid channel sinking culvert construction method
  • Reverse operation construction rapid channel sinking culvert construction method
  • Reverse operation construction rapid channel sinking culvert construction method

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Embodiment Construction

[0038] Such as Figure 1-9 Shown is a construction method for the sinking culvert of the fast track by reverse operation, the sinking culvert 1 is located under the road surface of the fast track 2, and the steps of the construction method are:

[0039] S1: Prefabricated piles and beams: The prefabricated piles 11 and prefabricated beams 12 required for forming are poured outside the construction site, and the prefabricated piles 11 have their own vacuum downwater pipes. Different specifications are prefabricated at different positions of 1. The prefabricated pile 11 is composed of a pile point and a pile body, and the pile point is fixed at the bottom of the pile body, and a vacuum downwater pipe is installed inside the pile body.

[0040] S2: Expressway road surface segmentation: divide the road surface of expressway 2 into three sections in the width direction, the first section of road surface 21 is a quarter of the width of the expressway road surface adjacent to the exte...

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Abstract

The invention relates to a reverse operation construction rapid channel sinking culvert construction method. A sinking culvert is located below a road surface of a rapid channel. The construction method comprises the following steps of S1, obtaining precast piles and precast beams; S2, segmenting the road surface of the rapid channel; S3, performing piling construction; S4, performing high-pressure grouting; S5, mounting pavement beams and recovering the road surface of the rapid channel; S6, reducing the water level of the sinking culvert; S7, excavating the sinking culvert; S8, performing pouring; S9, mounting water collecting and draining systems; and S10, performing pipe sealing and pressure bearing. A segmented construction method is adopted, a passage road for pedestrians is reserved, and inconvenience brought to the pedestrians due to road sealing is avoided; the precast piles are used as vertical walls, so that cantilever supporting piles can be omitted; the precast beams are used as road surface structures, so that the construction progress is fast, and the manufacturing cost is low; and the required precast piles and the required precast beams are poured and formed outside a construction site, so that the problems that the road surface closing time is too long and the road surface area is occupied due to pouring and forming in the construction site are solved.

Description

technical field [0001] The invention relates to the technical field of sinking culvert construction, in particular to a method for constructing a sinking culvert of a fast track by reverse operation. Background technique [0002] During the construction of the sinking culvert under the existing expressway, in order to ensure the safety of the construction personnel and the safety of road traffic during the excavation and construction of the floor in the culvert, it is necessary to close the expressway, and the closure of the fastway will cause the road to be impassable and affect It will cause great inconvenience to pedestrians crossing the road. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a construction method for the submerged culvert of the expressway by reverse operation, so as to solve the inconvenience caused by the closure of the road to pedestrians when constructing the submerged culvert under the exp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/045E01C1/00E01C1/02E01C1/04
CPCE01C1/00E01C1/02E01C1/04E02D29/045
Inventor 于榕庆卢兴明
Owner 南通隆嘉机械科技有限公司
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