Pump drainage method for water seepage of bedrock

A bedrock and cement technology, which is applied in the field of bedrock water seepage and drainage, can solve problems such as incomplete drainage, influence of concrete silo preparation and concrete pouring, etc.

Inactive Publication Date: 2017-10-20
中国葛洲坝集团建设工程有限公司
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  • Application Information

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Problems solved by technology

[0002] In the construction of hydropower projects, especially in the process of foundation concrete storage and concrete pouring, if the bedrock seepage is not properly treated, the bedrock seepage will seriously affect the foundation concrete storage and concrete pouring, and then affect the quality of concrete construction
[0003] During the current construction process, there i

Method used

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  • Pump drainage method for water seepage of bedrock
  • Pump drainage method for water seepage of bedrock
  • Pump drainage method for water seepage of bedrock

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Embodiment Construction

[0019] Such as Figure 1~Figure 4 Shown, a kind of pumping method of bedrock water seepage, comprises the following steps:

[0020] Step 1. Drilling and intubation steps:

[0021] Use a pneumatic drill to drill a hole of about 36mm at the seepage point of the bedrock. The plastic pipe 1 is generally a polyvinyl chloride plastic pipe with an outer diameter of 26.8mm and an inner diameter of 20mm. There is basically no gap in the 36mm hole and the contact is tight; Then insert a plastic pipe 1, and one end of the plastic pipe 1 is against the water seepage point, and the other end of the plastic pipe 1 is connected to the bedrock surface water absorbing device 2, so that the seepage water at the water seepage point is sucked away.

[0022] The bedrock surface water absorption device 2 can adopt the authorized utility model patent: "a bedrock surface or concrete surface water absorption device" (CN201220745754.6).

[0023] Step 2, the steps of laying stone piles 3:

[0024] Ar...

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Abstract

The invention discloses a pump drainage method for water seepage of a bedrock. The method comprises the steps that a hole is drilled in a water seepage point of the bedrock, a plastic pipe is inserted into the hole, one end of the plastic pipe abuts against the water seepage point, and the other end of the plastic pipe is connected to a bedrock surface water pumping device so as to pump away seepage water of the water seepage point; piled stones are laid on the periphery of the plastic pipe, and the plastic pipe is tightly wrapped by the laid piled stones; cement is fully paved on the laid piled stones, then the laid piled stones are coated with sodium silicate, the sodium silicate and the cement are rapidly solidified so as to form a non-water-seepage thin-layer concrete structure, and then the seepage water at the moment can only be pumped out of a bunker from the plastic pipe; and through the steps, pump drainage of the seepage water can be completed. The pump drainage method for the water seepage of the bedrock has the advantages that the water seepage problem of the bedrock can be solved, bunker preparing and concrete pouring can be ensured not to be influenced by the water seepage of the water seepage point, and the concrete construction quality can be guaranteed.

Description

technical field [0001] The invention relates to the field of bedrock water seepage treatment, in particular to a bedrock water seepage pumping and drainage method. Background technique [0002] In the construction of hydropower projects, especially in the process of foundation concrete storage and concrete pouring, if the bedrock seepage is not handled well, the bedrock seepage will seriously affect the foundation concrete storage and concrete pouring, and then affect the quality of concrete construction. [0003] During the current construction process, there is no drilling on site, and plastic pipes are directly used to resist the seepage position to divert the seepage water away, but it is not thorough, and water still flows into the warehouse; Large drainage is not thorough and there is no other treatment; both will have a serious impact on concrete storage and concrete pouring, and then affect the quality of concrete construction. Contents of the invention [0004] T...

Claims

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Application Information

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IPC IPC(8): E02D19/20
CPCE02D19/20
Inventor 张守怀陈润虎晓东张国安田鸿超段江鹏刘建华王鹏罗贤武陈玉代小玲
Owner 中国葛洲坝集团建设工程有限公司
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