Open caisson construction method

A caisson and construction method technology, applied in construction, caisson, infrastructure engineering, etc., can solve the problems of large construction surface, shaft deviation, long construction period, etc., and achieve the effect of improving construction efficiency, ensuring construction quality, and ensuring construction safety

Active Publication Date: 2017-08-29
张士普
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  • Abstract
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Problems solved by technology

[0003] During the construction process, the scaffolding and formwork were repeatedly disassembled and assembled. The workload is huge, the construction area is large, the construction safety requirements are high, and the construction period is long. Improper excavation can cause the shaft to deviate. The only way to correct the deviation is to change the excavation method without guiding measures. Engineering quality is difficult to guarantee

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  • Open caisson construction method

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0040] The invention provides a caisson construction method, the working principle of which is to use this method to reduce the working surface on the ground and reduce the influence of the weather on the construction, and to use the inner formwork of the well wall and the outer formwork of the well wall to sink into the ground together with the concrete well wall to avoid The removal of formwork is eliminated to ensure the quality of the wellbore, and the method of taking soil and pouring the wellbore simultaneously improves the construction efficiency; using steel pipe piles as guides ensures the construction quality, thus solving the problem of repeated disassembly and assembly of scaffolding in the prior art And the problems of heavy workload, large construction area, high ...

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Abstract

The invention discloses an open caisson construction method. Through the open caisson construction method, the ground work face is reduced, and the influence of the weather on the construction is reduced; the manner that a well wall inner formwork and a well wall outer formwork sink into the ground along with a concrete well wall is used, so that form stripping is avoided, and well bore quality is ensured; a soil taking and well bore pouring synchronization manner is adopted, so that construction efficiency is improved; a steel pipe pile is taken as the guidance, so that construction quality is ensured, and therefore the problems of large workload caused by repeated dismounting and mounting of a scaffold and a formwork, large construction area, high requirement on construction safety, long construction period, no guide measures and having difficulty in ensuring engineering quality in the prior art are solved; and the aims of improving the construction efficiency, ensuring construction quality and ensuring construction safety are achieved.

Description

technical field [0001] The invention relates to the field of caisson construction, in particular to a caisson construction method. Background technique [0002] The current caisson method: support the blade foot formwork on the ground and pour the blade foot. The formwork of the shaft wall is supported to a certain height based on the blade foot. This process needs to build a certain height of internal and external scaffolding, pour concrete in the formwork, and remove the formwork and internal and external scaffolding after curing to a certain strength. Just can begin to take soil in the well and make the well sink. After sinking to a certain depth, stop taking soil. Then set up internal and external scaffolding, support internal and external formwork, pour concrete, maintain health, remove formwork and scaffolding. Start to take earth and caisson again. According to this cycle construction to the design depth. Then set up scaffolding in the well, support the well cove...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D23/08E02D5/28E02D5/34
CPCE02D5/285E02D5/34E02D23/08
Inventor 张士普
Owner 张士普
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