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Constructive method of reinforcement and anti-seepage of deep sand and pebble foundation

A technology of foundation reinforcement and construction method, which is applied in basic structure engineering, construction, sheet pile wall and other directions, can solve the problems of low economy and high cost, and achieve the effect of high compressive strength and obvious economic benefits.

Active Publication Date: 2017-06-16
TIBET AGRI & ANIMAL HUSBANDRY COLLEGE
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Problems solved by technology

The pile foundations are basically as deep as 100 meters during construction, so the cost is high and not very economical

Method used

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  • Constructive method of reinforcement and anti-seepage of deep sand and pebble foundation
  • Constructive method of reinforcement and anti-seepage of deep sand and pebble foundation
  • Constructive method of reinforcement and anti-seepage of deep sand and pebble foundation

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Embodiment 1

[0023] Such as Figure 1~3 As shown, the construction method for strengthening and anti-seepage of the deep sand and gravel foundation in Tibet is mainly through pouring the impervious wall 1 on both sides of the foundation treatment and arranging grouting holes 3 in the sand and gravel foundation 2 contained in the two impervious walls 1 , And refill the cement slurry. The sand and pebbles contained in the impermeable wall are filled with cement slurry. Sand and pebbles are natural materials. After they solidify with the cement slurry, they become natural concrete. The concrete has high compressive strength and can withstand a larger upper part. Load. The cost of pouring cement slurry is much lower than the cost of forming a pile, so its economic benefits are obvious. The reinforced concrete anti-seepage walls on both sides have obvious anti-seepage effect. The sand and pebbles in the middle part are solidified to become concrete and also have certain anti-seepage effect. Th...

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Abstract

The invention discloses a technology and construction method for reinforcement and seepage prevention treatment of a deep sandy gravel foundation. Reinforced concrete diaphragm walls are arranged on the two sides of the axis of the treated foundation, cement slurry is poured into the sandy gravel foundation which is located between the diaphragm walls, after maintenance for a certain period, sandy gravels are coagulated to form an artificial concrete foundation, and therefore the purposes of reinforcement and seepage prevention treatment of the deep sandy gravel foundation are achieved.

Description

Technical field [0001] The invention relates to a construction method for strengthening and anti-seepage of a deep and thick sand and gravel foundation, and belongs to the field of water conservancy and hydropower engineering. Background technique [0002] As the state attaches great importance to the social and economic development of Tibet, the construction of various infrastructures is in full swing, such as the rapid development of transportation, municipal and water conservancy and hydropower projects. As a clean and renewable energy hydropower development and construction, into the 21st century, Tibet has successively built Zhikong Hydropower Station (installed capacity of 100,000 KW), Xueka Power Station (installed capacity of 40,000 KW), Laohuzui Power Station (installed capacity of 102,000 KW), Duobu Power Station (installed 100,000 KW) and Tibet’s largest Tibetan wood power station (installed 510,000 KW). As of December 2010, Tibet has built more than 500 large and sma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/18
CPCE02D5/18
Inventor 王培清黄毅于海洋陈东东何强叶文武
Owner TIBET AGRI & ANIMAL HUSBANDRY COLLEGE
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