Method and structure for constructing large-scale liquid storage tank energy-dissipating shock absorption and shock insulation foundation

A liquid storage tank and foundation technology, which is applied in the direction of basic structure engineering, earthquake resistance, building components, etc., can solve problems such as foundation cracking, uneven settlement, and affecting the safety of liquid storage tanks, and achieve the effect of superior durability, reliability and safety

Inactive Publication Date: 2009-01-21
陈威
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The design service life of large liquid storage tanks and their foundations usually does not exceed 50 years, and problems

Method used

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  • Method and structure for constructing large-scale liquid storage tank energy-dissipating shock absorption and shock insulation foundation
  • Method and structure for constructing large-scale liquid storage tank energy-dissipating shock absorption and shock insulation foundation

Examples

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Embodiment Construction

[0016] Design and excavate a foundation pit 1 in the shape of a rotating curved surface on the selected tank site after hydrogeological investigation. Determine the benchmarking point for elevation control survey, open the access for construction machinery to enter and exit the construction site, and carry out groundwater precipitation, drainage and foundation pit support as required. The excavated rock and soil are all transported to the surroundings of the foundation pit, treated and compacted in layers as slope protection for the foundation of the liquid storage tank. The compacted surface of the foundation pit in the shape of a rotating curved surface completed by manual and engineering machinery (bulldozers, excavators, road rollers, transport vehicles, etc.), rock blasting, hydraulic machinery, etc. should be smooth, solid and free of tors. The geometric shape and size deviation of the curved surface foundation pit 1 should not be greater than 200 mm (measured with wire ...

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Abstract

The invention discloses a theory of durable three-dimensional energy dissipation shock absorption and shock insulation base for a large sized vertical type liquid storage tank, a structural method thereof and a structure thereof. The base takes a reinforced concrete rotary thin shell with ring beams as a shock insulation and bearing structure, a sand bedding layer thickly laid under the rotary thin shell as a bearing and energy dissipation shock absorption structure, and an underlayer as a concrete precast slab protective layer and a earthwork synthetic material impermeable layer. The engineering construction method is briefly introduced here. The liquid storage tank which is good in rigidity as well as flexibility can resist a destructive 10-magnitude earthquake, the service life is as long as 70 to 100 years, but for other disasters such as earthquake downfall, bad slip, collapse and debris flow, etc., additional protective measurements need to be taken.

Description

technical field [0001] The invention relates to a construction method and structure for energy dissipation, shock absorption and shock isolation foundation of a large liquid storage tank. technical background [0002] Modern buildings have developed seismic isolation technology in terms of earthquake resistance, that is, adding seismic isolation devices to the foundation of the building or the structural parts of the building, and changing the dynamic characteristics of the building structural system through the large deformation of the seismic isolation device. The superstructure of the building structure is changed from the magnified swaying type to the overall translational superstructure of the seismic isolation structure, so that the whole structure is still in an elastic state under the action of a strong earthquake, which improves the adaptability of the building structure to the earthquake and reduces the impact on the building. Structural bearing capacity and materi...

Claims

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Application Information

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IPC IPC(8): E04B1/98E02D27/44
Inventor 陈威
Owner 陈威
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