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Swirl pool water stop curtain and construction method thereof

A water-stop curtain and construction method technology, which is applied in excavation, foundation structure engineering, sheet pile walls, etc., can solve the problems of waterproof and pressure difference, etc., and achieve the effect of reducing pile length, strengthening water-stop effect, and occupying less land for construction

Inactive Publication Date: 2016-09-28
马钢集团设计研究院有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem of the support, waterproof and pressure difference of the swirl pool in the prior art, the present invention provides a water-stop curtain for the swirl pool and its construction method

Method used

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  • Swirl pool water stop curtain and construction method thereof
  • Swirl pool water stop curtain and construction method thereof
  • Swirl pool water stop curtain and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] combine Figure 1-8 , a water-stop curtain for a swirl pool, comprising a swirl pool outer cylinder, support piles 1 and water-stop piles, a row of support piles 1 are arranged at equal intervals outside the swirl pool outer cylinder, and the support piles 1 Set water-stop piles on the outside, set water-stop piles between adjacent support piles 1, and overlap between two contacting water-stop piles. Using lap joint technology, according to the abundance of water in the soil, determine a reasonable lap length, so that the force of a ring of water-stop piles is balanced, there will be no weak links in force, and the water-stop piles are firm as a whole, so that the swirl pool

[0050] The number of water-stop piles is set to more than two rows, which is to strengthen the water-stop effect, and the water-stop piles can also play a role in resisting the lateral pressure of the soil. The water stop pile adopts high-pressure rotary grouting pile, which is affected by geolog...

Embodiment 2

[0063] This embodiment is the same as Embodiment 1, wherein the depth of the foundation pit is 3m, the slope is 1:1, and plain concrete is sprayed on the slope to protect the slope.

Embodiment 3

[0065] This embodiment is the same as Embodiment 1, wherein the depth of the foundation pit is 4m.

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Abstract

The invention discloses a water-stop curtain for a swirl pool and a construction method thereof, belonging to the construction field of an underground circular swirl pool. It includes the outer cylinder of the swirling pool, supporting piles and water-stop piles. A row of supporting piles is set outside the outer cylinder of the swirling pool, and water-stopping piles are set outside the supporting piles. Water-stop piles are overlapped between two contacted water-stop piles. The support piles are bored cast-in-situ piles. Drill holes with a drilling rig, lower the steel cage into the hole, pour cement, and weld a section inside the support piles. The steel bars are used to form a whole with the outer cylinder wall of the whirlpool, and the supporting piles are used as part of the wall thickness of the outer cylinder of the whirlpool, which saves cost, increases the self-weight of the whirlpool, and increases the buoyancy resistance. The number of water-stop piles is more than two rows. The water-stop piles adopt the construction technology of high-pressure jet spray piles, and the support piles are set at equal intervals to prevent water from entering the whirlpool. At the same time, they can also bear the lateral pressure of the soil, and the construction is convenient.

Description

technical field [0001] The invention relates to the construction field of an underground circular swirl pool, in particular to a water-stop curtain for a swirl pool and a construction method thereof. Background technique [0002] The swirl pool is an indispensable public and auxiliary system for steelmaking, steel rolling and other process production lines in the metallurgical industry. It is a structure that stores and processes water for cooling process equipment. It uses turbid circulating water to spray water to cool the process equipment. The turbid circulating water is first concentrated in the slag flushing ditch, and then concentrated into the swirl pool. The sediment is collected and utilized, so that the turbid circulating water can be reused after sedimentation and filtration. [0003] Generally, large-scale underground circular swirling pools are constructed in semi-rock soil layers (the upper layer is soil and the lower layer is rock), and underground diaphragm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/18E02D5/34E02D5/46E02D17/02E02D17/04E02D19/20
CPCE02D19/18E02D5/34E02D5/46E02D17/02E02D17/04E02D19/20
Inventor 陈瑛
Owner 马钢集团设计研究院有限责任公司
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