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Hooping type steel sheet pile cofferdam platform and integrated construction method depending on cofferdam platform

A technology of steel sheet pile cofferdam and steel sheet pile, which is applied in basic structure engineering, construction and other directions to achieve the effect of simplifying construction procedures, saving cost and construction period, and reducing construction unsafe factors

Active Publication Date: 2010-12-08
GUANGDONG GUANYUE HIGHWAY & BRIDGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a hoop-type steel sheet pile cofferdam platform and an integrated construction method relying on the cofferdam platform to solve the problem of prestressed steel sheet piles that mainly bear the internal pressure of the cofferdam and are constrained by outsourcing in deep water areas. Cofferdam technical problems; and solve the problem of integrated construction of piles and caps

Method used

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  • Hooping type steel sheet pile cofferdam platform and integrated construction method depending on cofferdam platform
  • Hooping type steel sheet pile cofferdam platform and integrated construction method depending on cofferdam platform
  • Hooping type steel sheet pile cofferdam platform and integrated construction method depending on cofferdam platform

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Embodiment Construction

[0041] Examples see Figure 1-8 As shown, a hoop-type steel sheet pile cofferdam platform includes a cofferdam formed by a group of densely enclosed steel sheet piles 2 and an internal support system. The internal support system is supported inside the cofferdam, and the roots of the steel sheet piles 2 extend to the cofferdam. Below the base of the weir, the top of the steel sheet pile 2 is higher than the water surface 1, and the adjacent sides of the adjacent steel sheet piles are engaged with each other. The inner space of the cofferdam is filled with fillers 7, and there is at least a circle of steel beams 9 around the outer circumference of the cofferdam, one end of which passes through The fixed-end anchor 12 is fixed on the fixed-end anchor backing plate 13, and the other end is fixed on the tension-end anchor backing plate 15 through the tension-end anchor 14. positioning ring 10. The filling range of the filler 7 is from the bottom of the river bed to above the wate...

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Abstract

The invention relates to a hooping type steel sheet pile cofferdam platform and an integrated construction method depending on the cofferdam platform. Fillers are filled in the inner space of a cofferdam; at least two circles of steel tendons are arranged around the periphery of the cofferdam; one end of each steel tendon is fixed on an anchor bearing plate at the fixed end through an anchor device at the fixed end, and the other end of each steel tendon is fixed on an anchor bearing plate at the stretching end through an anchor device at the stretching end; and the steel tendons also pass through a positioning ring which is fixed at the convex part of the periphery of a steel sheet pile. By additionally providing facilities and measures for reinforcing the steel sheet pile cofferdam, the construction of the underwater pile foundation can be finished only depending on the steel sheet pile cofferdam required for the platform construction under the condition that a waterborne overhead pile drilling platform does not need to be arranged, and the integrated construction of the platform can be finished only depending on the steel sheet pile cofferdam arranged in the construction of the underwater pile foundation without additionally arranging a steel sheet pile cofferdam. The method of the invention has the advantages of saving the overall cost of the engineering, shortening the construction period, reducing the unsafe factors in construction, saving the energy, reducing the emission, and the like. The invention can be widely applied to construction of engineering, such as underwater bridges, wharfs, and the like.

Description

technical field [0001] The invention relates to a construction platform and construction method for underwater piles and caps, in particular to a hoop-type steel sheet pile cofferdam platform and an integrated construction method relying on the cofferdam platform. Background technique [0002] For the construction of underwater pile foundations of bridges, wharves and other engineering structures, the current traditional method is generally to set up an overhead drilling platform on the water and rely on the overhead drilling platform for construction. After the construction of the pile foundation is completed, the overhead drilling must be removed first. pile platform, and then the construction of the cap can be started; while the cap is often constructed by setting a steel sheet pile cofferdam, but the steel sheet pile cofferdam is limited to the construction of the substructure such as the cap or pier body; because the water pile The construction supporting facilities of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/04E02D27/14E02D27/52
Inventor 黎景光谭可源万平魏伟文
Owner GUANGDONG GUANYUE HIGHWAY & BRIDGE
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