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Foundation reinforcement and connector combination of integral floating water taking head and construction method

A ground reinforcement and floating technology, which is applied in infrastructure engineering, soil protection, construction, etc., can solve the problems of large engineering volume and long construction period, and achieve the effects of short construction period, convenient and feasible construction, and reduced construction difficulty

Active Publication Date: 2014-04-09
ZHEJIANG ELECTRIC POWER DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the foundation conditions of the water intake head are complicated and the construction environment in the water is harsh, steel barrel cofferdams are used for construction as usual, but this method has a large amount of work, a long construction period, and certain risks

Method used

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  • Foundation reinforcement and connector combination of integral floating water taking head and construction method
  • Foundation reinforcement and connector combination of integral floating water taking head and construction method

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Embodiment

[0026] A power plant project in Zhejiang uses seawater from Hangzhou Bay as a circulating cooling water source. Hangzhou Bay is a world-famous strong tidal bay. When the tide is high, the tide waves come in from the open sea, and there are two tides east of Jinshanzui, namely the southeast tide and the northeast tide, which meet north of Wupan and head straight for Ganpu along the north side of Hangzhou Bay. When the tide ebbs, the southeastern part of Hangzhou Bay falls first, making the main axis of the ebb and flow of Hangzhou Bay consistent. Generally, the tidal current velocity is high, the average velocity of the half tide is 1.16m / s, and the measured maximum velocity is 2.45m / s. The edge beach of Liuliwan has a forward and counterclockwise backflow in the middle of high tide, late tide and late ebb tide respectively. The upper part of the formation at the water intake head is a silt layer, and the lower part is a rock layer. The slope of the rock layer is steep and th...

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Abstract

The invention discloses a foundation reinforcement and connector combination of an integral floating water taking head and a construction method. The foundation reinforcement and connector combination comprises a water taking head foundation. The water taking head foundation is reinforced by the aid of rock-socketed cast-in-place piles and is excavated, and rubble is filled back into the water taking head foundation; pile sleeves are arranged at the bottom of the water taking head, underwater concrete is filled into gaps of the pile sleeves of the rock-socketed cast-in-place piles via reserved grout pipes, and the rock-socketed cast-in-place piles are nested in the water taking head. The construction method includes a, reasonably arranging the rock-socketed cast-in-place piles according to actual conditions of the water taking head and computation results and reinforcing the foundation; b, excavating a foundation region of the water taking head and filling the rubble into the foundation region; c, arranging the pile sleeves for sleeving the rock-socketed cast-in-place piles at the bottom of the water taking head and reserving the grout pipes when the water taking head is manufactured; d, temporarily plugging the reserved grout pipes of the water taking head; e, filling the underwater concrete from the tops of the reserved grout pipes into the nesting gaps of the rock-socketed cast-in-place piles nested in the water taking head.

Description

technical field [0001] The invention relates to a foundation reinforcement, joint and construction method of an integral floating water intake head in a seaside power plant in a complex environment, and belongs to the technical field of power plants. Background technique [0002] At present, the economy in the east coast of my country is developing rapidly, and the demand for electricity is large. In order to meet the requirements of economic development in the region and improvement of people's living standards, the country needs to invest huge sums of money every year in the construction of large-scale thermal power plants. The site selection of large-scale thermal power plants should fully consider the convenience and economy of coal transportation, water intake and drainage, as well as factors such as land conservation and environmental protection. Therefore, many large thermal power plants are generally arranged by the sea. Seaside power plants generally adopt the dire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/08
Inventor 刘显群吴建国沈又幸钱海平李琪童建国艾月平黄建武杨涛邱纪龙
Owner ZHEJIANG ELECTRIC POWER DESIGN INST
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