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Construction method of steel jacket box for rock-socketed bearing platform construction under water level change

A technology of water level change and construction method, applied in caisson, infrastructure engineering, construction and other directions, can solve the problems of subsidence of steel-jacketed tanks, difficulty in ensuring safety and reliability, and inability to fully utilize the construction advantages of steel-jacketed tanks, etc. The effect of project cost, reduction of equipment turnover cost, and good waterproof effect

Inactive Publication Date: 2021-02-26
CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP +1
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Problems solved by technology

However, in the actual construction process, when the geological conditions are not suitable for the subsidence of the steel casing, the construction advantages of the steel casing cannot be fully utilized, and the safety and reliability are difficult to guarantee, especially when there is no covering layer or In the case of less covering layer, the steel casing is prone to sinking problems, and the water level rises during the flood season will make construction impossible. Therefore, it is necessary to improve the construction method

Method used

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  • Construction method of steel jacket box for rock-socketed bearing platform construction under water level change
  • Construction method of steel jacket box for rock-socketed bearing platform construction under water level change
  • Construction method of steel jacket box for rock-socketed bearing platform construction under water level change

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Embodiment Construction

[0036] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should no...

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Abstract

The invention provides a construction method of a steel jacket box for rock-socketed bearing platform construction under water level change. The construction method comprises the following steps thata groove is dug in rock at a designed bridge position, a double-wall steel jacket box is manufactured, assembled and floated to a site, concrete or water is injected into inner and outer side steel wall plates to enable the double-wall steel jacket box to sink to a specified position, according to requirements, in order to increase the gravity, a partition plate can be welded on the inner wall ofthe double-wall steel jacket box to form partition bins, concrete or water is injected into the partition bins, the gravity is increased, and the sinking requirement is met. Compared with the prior art, the construction method has the advantages that a blade angle does not need to be arranged at the lower end of the double-wall steel jacket box, an air suction dredger does not need to be adopted,the equipment circulating cost is reduced, the construction cost is reduced, and the problem that the double-wall steel jacket box sinks under the condition that geological conditions are not suitablefor soil cutting sinking, no covering layer or few covering layers is solved.

Description

technical field [0001] The invention belongs to the technical field of bridge construction, and in particular relates to a construction method of a steel box used for the construction of a rock-socketed cap under changing water levels. Background technique [0002] Steel casing is a common method for bridge foundation construction, and it has been widely used in bridge construction in recent years due to its advantages of fast construction speed, low cost, and high safety. However, in the actual construction process, when the geological conditions are not suitable for the subsidence of the steel casing, the construction advantages of the steel casing cannot be fully utilized, and the safety and reliability are difficult to guarantee, especially when there is no covering layer or In the case of less covering layer, the steel box is prone to subsidence, and the rise of the water level in the flood season will lead to the impossibility of construction. Therefore, it is necessar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D23/08E02D23/16E02D19/02E02D15/08
CPCE02D15/08E02D19/02E02D23/08E02D23/16
Inventor 宋伟俊高学文王森张广涛龚国锋高明慧赵军伟赵江裴野栾征谋向敏滕云龙陈可华
Owner CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP
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