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In-water drilled pile foundation construction system capable of recovering steel protective barrels and construction method thereof

A technology for foundation construction and steel casing, which is applied in basic structure engineering, sheet pile walls, buildings, etc., can solve the problem that the steel casing cannot be recycled, and achieve the effect of realizing reuse, solving the problem of non-recycling and reducing construction costs.

Inactive Publication Date: 2015-04-15
CHINA RAILWAY 19 BUREAU GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an underwater bored pile foundation construction system with recyclable steel casing and its construction method, so as to solve the problem in the prior art that the steel casing of bored piles in deep water areas cannot be recycled

Method used

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  • In-water drilled pile foundation construction system capable of recovering steel protective barrels and construction method thereof
  • In-water drilled pile foundation construction system capable of recovering steel protective barrels and construction method thereof
  • In-water drilled pile foundation construction system capable of recovering steel protective barrels and construction method thereof

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Embodiment Construction

[0032] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0033] Such as Figure 1-3 As shown, the underwater bored pile foundation construction system of the recyclable steel casing of this embodiment includes: an offshore drilling platform 1 located on the sea surface, and a crawler crane (not shown in the figure) located on the offshore drilling platform 1 And vibratory hammer 2, the outer steel casing 4 arranged between the seabed stable geological layer 3 and the offshore drilling platform 1, the inner steel casing 5 arranged in the outer steel casing 4, the inner steel casing 5 arranged in the inner steel casing 5 The drill bit and the mud pump 8 installed on the offshore drilling platform; a reaction frame and a jack 7 are provided between the to...

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Abstract

The invention relates to the technical field of deep-water-area drilled piles and particularly discloses an in-water drilled pile foundation construction system capable of recovering steel protective barrels and a construction method thereof. The system comprises a seaborne drill platform located on the sea surface, a crawler crane, a vibratory hammer, an outer steel protective barrel arranged between a seabed stable geological layer and the seaborne drill platform, an inner steel protective barrel arranged in the outer steel protective barrel, a drill bit arranged in the inner steel protective barrel and a slurry pump arranged on the seaborne drill platform, wherein the crawler crane and the vibratory hammer are arranged on the seaborne drill platform, a counter-force frame and a jack are arranged between a top opening of the inner steel protective barrel and the seaborne drill platform, and the drill bit is connected with the vibratory hammer through the crawler crane. The problem that deep-water-area drilled pile steel protective barrels in the prior art cannot be recovered is solved.

Description

technical field [0001] The invention relates to the technical field of bored piles in deep water areas, in particular to an underwater bored pile foundation construction system and a construction method thereof that can recover steel casings when implementing bored piles in deep water areas below sea level. Background technique [0002] The steel casing plays a vital role in the whole process of bored pile foundation construction in water, and determines the quality of the pile foundation. Generally speaking, the steel casing of the pile foundation of the bridge in the water must pass through the silt cover layer of the sea (river) bed, and be driven into a stable geological rock formation, and it must be ensured that no seepage, mud leakage or reverse flow occurs during the drilling project. The phenomenon of perforation. According to the conventional technology, the steel casing of the underwater pile foundation constructed in the deep water environment is a one-time inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/66E02D27/52E02D27/12
CPCE02D5/665E02D27/12E02D27/525
Inventor 王学忠薄春莲黄士杰寇海军
Owner CHINA RAILWAY 19 BUREAU GRP CO LTD
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