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Large-span cable-stayed locking dewatering operating platform and construction method thereof

A technology of operating platforms and cable-stayed locks, applied in the field of construction engineering, can solve problems such as failure to meet precipitation requirements, achieve the effect of improving stability and safety, and reducing support pressure

Inactive Publication Date: 2015-10-28
SHANGHAI NO 4 CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When the depressurization well pipe is set at a position far away from the support due to some special requirements, such as the pressurized water in the drawdown pit, the above two operating platforms can no longer meet the dewatering requirements

Method used

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  • Large-span cable-stayed locking dewatering operating platform and construction method thereof
  • Large-span cable-stayed locking dewatering operating platform and construction method thereof
  • Large-span cable-stayed locking dewatering operating platform and construction method thereof

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Embodiment Construction

[0027] The large-span cable-stayed dewatering operation platform proposed by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0028] combine Figure 1 to Figure 3 , this embodiment discloses a large-span cable-stayed dewatering operation platform for supporting a dewatering well 6, including a steel platform 1, an unloading clamp 2 and a steel wire rope 3, and one end of the steel platform 1 is set on the second support 4 As a fixed end, the other end of the steel platform 1 cantilever outwards as a cantilever end. The steel platform 1 adopts No. 20 channel steel, and...

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Abstract

The invention provides a large-span cable-stayed locking dewatering operating platform and a construction method thereof. The large-span cable-stayed locking dewatering operating platform and the construction method aim to solve difficult problems of excessively long distances from pressure reduction well pipes to braces and excessively large span of existing platforms in foundation pit dewatering procedures in the prior art. The large-span cable-stayed locking dewatering operating platform is used for bracing a dewatering well and comprises a steel platform, a detaching clip and steel wire ropes. One end of the steel platform is arranged on a second brace and is used as a fixed end, the other end of the steel platform outwardly extends in a cantilever manner to be used as a cantilever end, the dewatering well is arranged at the cantilever end of the steel platform, the detaching clip is arranged on a first brace, one end of each steel wire rope is pulled by the detaching clip, and the other end of each steel wire rope is connected onto a position, which is close to the dewatering well, of the steel platform. The large-span cable-stayed locking dewatering operating platform and the construction method have the advantages that the steel platform is arranged on the second brace, the detaching clip can be arranged on the first brace, the positions, which are close to the dewatering well, of the steel platform can be pulled by the detaching clip, the steel platform can be turned into a 'simply supported beam' form from a 'cantilever beam' form, accordingly, brace pressures on the fixed end of the steel platform and bending moment which is generated by upper loads on the fixed end can be relieved, and the stability and the safety of the integral operating platform can be improved.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to a large-span cable-stayed dewatering operation platform and a construction method thereof. Background technique [0002] At present, the dewatering platform used in the pit dewatering well pipe usually adopts two types of operating platforms: scaffolding steel pipe or cantilevered steel platform, but the cantilever distance of these two types of operating platforms is generally not too large. Among them, the cantilever distance of scaffolding steel pipes is generally about 1-2m; the cantilever distance of cantilevered steel platforms is generally about 3-4m. [0003] When the depressurization well pipe is set at a position far away from the support due to some special requirements, such as the pressurized water in the drawdown pit, the above two operating platforms can no longer meet the dewatering requirements. [0004] Therefore, how to provide a long-distance safe and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G3/18E04G3/24E02D19/10
Inventor 孔德志汪洋朱海峰石勇曹文根陈建江
Owner SHANGHAI NO 4 CONSTR
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