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Construction method of cable tunnel in high-water-level area

A cable tunnel and high water level technology, which is applied in excavation, infrastructure engineering, construction, etc., can solve problems affecting construction quality and progress, low building structures, and inability to construct, so as to solve trench construction problems, ensure project progress, The effect of easy operation

Inactive Publication Date: 2018-12-11
SHANXI TAIGANG STAINLESS STEEL CO LTD
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Problems solved by technology

[0003] In order to overcome the deficiencies of the existing technology, solve the problem that the construction of cable trenches and cable tunnels in high water level areas is low, the water level is high after excavation, and construction cannot be carried out, and local water accumulation affects the construction quality and progress. Technical problem, provide a method for the construction of cable tunnels in high water level areas

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  • Construction method of cable tunnel in high-water-level area
  • Construction method of cable tunnel in high-water-level area
  • Construction method of cable tunnel in high-water-level area

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0025] Such as Figure 1 to Figure 6 A method for construction of a cable tunnel in a high water level area is shown, comprising the following steps:

[0026] a. Determine the construction location in the high water level area, detect the water level height of the groundwater layer 2 at the construction location, and design the laying height of the cable tunnel 6 under the ground layer 1 according to the actual working conditions;

[0027] b. Excavation: Excavate the trench 3 at the construction site, the distance between the excavation depth of the trench 3 and the bottom plate of the cable tunnel 6 designed in step a is not less than 500mm, and install the pumping pipeline 4 in the excavated trench 3 ;

[0028] c. Rock filling: backfill the gravel layer 5 into the excavated trench 3 until the gravel layer 5 is backfilled to the height of t...

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Abstract

The invention relates to a construction method of a cable tunnel in a high-water-level area, belongs to the technical field of engineering construction, and solves the technical problem that construction quality and progress are affected by construction part water accumulation during construction in the high-water-level area. According to the technical scheme, the method includes the steps of a, determining a construction position in the high-water-level area, detecting the water level of a underground aquifer at the construction position, and designing the underground laying height of a cabletunnel according to actual working conditions; b, excavating, to be more specific, mounting a water pumping pipeline in an excavated trench; c, filling a pebble layer into the excavated trench; performing cable tunnel construction, and using the water pumping pipeline to continuously pump water during the construction; e, removing the water pumping pipeline, and inspecting the leakage conditionof the cable tunnel; f, backfilling a load-bearing and water-permeable pebble layer until the pebble layer is higher than the water level to complete the backfilling. The construction method is easy in construction, convenient to operate, capable of well solving the construction problems of the cable tunnel in the high-water-level area and capable of guaranteeing construction quality and progress.

Description

technical field [0001] The invention belongs to the technical field of engineering construction, in particular to a method for constructing a cable tunnel in a high water level area. Background technique [0002] Due to the construction of cable trenches and cable tunnel lights in high water level areas, the position of new construction structures is low, and the water level after excavation is high, making it impossible to construct, so it is necessary to lower the water level. However, since the groundwater is of slow seepage type, if pumping is not carried out during construction, it will easily cause local water accumulation, which will affect the construction quality and progress. Contents of the invention [0003] In order to overcome the deficiencies of the existing technology, solve the problem that the construction of cable trenches and cable tunnels in high water level areas is low, the water level is high after excavation, and construction cannot be carried out,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/06E02D19/06
CPCE02D17/06E02D19/06
Inventor 周康杰张俊禄刘炜张红
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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