Construction method of soil covering tank

A construction method and soil-covering technology, applied in artificial islands, water conservancy projects, infrastructure projects, etc., to achieve the effect of reducing construction intensity, reducing occurrence probability and operating costs, and increasing benefits

Active Publication Date: 2010-10-06
中国化学工程第四建设有限公司
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AI Technical Summary

Problems solved by technology

[0002] Due to the underground construction of earth-covered tanks, it is different from the construction of ground storage tanks. Therefore, there have always been some technical difficulties that are difficult to solve, such as the construction of thin-shell concrete on the tank roof, the stability of the tank roof formwork support system, and the construction of the waterproof layer outside the tank. quality control, etc.

Method used

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  • Construction method of soil covering tank
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  • Construction method of soil covering tank

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specific Embodiment

[0038] A. Civil construction soil-covered tank chamber.

[0039] 1. Earth excavation:

[0040] The combination of backhoe excavator and manual excavation is used. In order to avoid disturbing the base soil when the backhoe excavates, an earthwork with a base elevation of 20-30cm is reserved during excavation, and manual cleaning is adopted; the width of the outer working surface of the foundation trench is 1800mm , the excavation is carried out according to the slope of 1:0.55, and adjusted according to the soil quality. If the height is too large, step back slope can be adopted, and slope protection can be adopted if necessary to avoid landslides; drainage ditches are dug around the foundation pit, and water collection is arranged reasonably The pit shall be drained with a φ50 sewage pump, and the temporary drainage facilities of the foundation pit shall be combined with the permanent facilities as far as possible; the plastic film shall be covered on the soil slope to preven...

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Abstract

The invention relates to a construction method of a soil covering tank for storing product oil and the like, which comprises the following steps of: (A) building a tank chamber of a soil covering tank: firstly, carrying out earth excavation with a method combining a back-acting shovel and manual excavation; then, manufacturing a ring beam, precasting concrete blocks on the spot according to the radian of the ring beam, and building the concrete blocks; carrying out the engineering of steel bars: welding steel bars by machining, and manually binding the steel bars on the spot; carrying out the engineering of templates and scaffolds: taking a bamboo plywood as a top plate template of a concrete thin shell of the tank chamber, designing a camber at the middle part, and taking scaffold tubes as bottom template brackets of the thin shell of the tank; then, carrying out concrete engineering and asphalt sand construction; and finally, carrying out waterproof engineering, thereby completing the construction of the tank chamber of the soil covering tank; and (B) installing a storage tank body of the soil covering tank: firstly, precasting the storage tank body; then, installing a tank bottom plate; installing the tank body, and welding the storage tank; and finally, testing and inspecting to complete the whole construction process of the soil covering tank after the construction is qualified. The invention reduces the occurrence of accidents, increases the benefit and reduces the dust emission.

Description

technical field [0001] The invention relates to a technical method for building engineering construction, in particular to a construction method for a soil-covered tank used for storage of refined oil and the like. Background technique [0002] Due to the underground construction of earth-covered tanks, it is different from the construction of ground storage tanks. Therefore, there have always been some technical difficulties that are difficult to solve, such as the construction of thin-shell concrete on the tank roof, the stability of the tank roof formwork support system, and the construction of the waterproof layer outside the tank. quality control etc. Contents of the invention [0003] The purpose of the present invention is to improve and innovate on the shortcomings and problems existing in the background technology, and to provide a safe, efficient and high-quality earth-covered tank construction method that can reduce hidden dangers in the engineering construction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H7/04E02D29/045E02D29/05
Inventor 孙韵吴长贵余双喜袁军科
Owner 中国化学工程第四建设有限公司
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