Vertical circular load loading test device of storage tank group pile foundation settlement test

A loading test device and pile group foundation technology, which is applied in foundation structure tests, foundation structure engineering, construction, etc., can solve problems such as tank wall deformation and storage tank failure, and achieve the effect of improving flexibility

Inactive Publication Date: 2020-07-24
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The settlement of the pile group foundation has a direct impact on the structural stability of the storage tank. If the non-uniform settlement of the tank bottom foundation occurs, the tank wall will be deformed. Excessive deformation will directly cause the storage tank to fail.

Method used

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  • Vertical circular load loading test device of storage tank group pile foundation settlement test
  • Vertical circular load loading test device of storage tank group pile foundation settlement test
  • Vertical circular load loading test device of storage tank group pile foundation settlement test

Examples

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the drawings.

[0023] Such as Figure 1-5 As shown, the vertical cyclic load loading test device for the settlement test of the pile foundation of the storage tank includes 1. Motor, 2. Lifting rod, 3. Spring, 4. Force sensor, 5. Bearing box, 6. Foundation pile model, 7 .Displacement sensor, 8. Simulation oil tank chassis, 9. Motor drive rod, 10. Fixed guide rail, 11. Driven rod, 12. Upper bracket, 13. Motor shaft, 14. Lifting rod top slider. It is characterized in that: the carrying box 5 and the upper bracket 12 constitute the overall frame of the device. The upper end of the carrying box 5 carries the motor 1 and the fixed guide rail 10. At the same time, the top of the motor 1 and the fixed guide rail 10 is connected to the upper support 12 to prevent the motor 1 and the fixed guide rail 10 from being Movement occurred during the test; in addition, a cavity is preset in the middle of the upper ...

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Abstract

The invention belongs to the field of geotechnical engineering and oil and gas storage and transport, and particularly relates to a vertical circular load loading test device of a storage tank group pile foundation settlement test. The device is characterized in that a crank arm (composed of a motor transmission rod and a driven rod), a lifting rod top end sliding block and a fixed guide rail areconnected to form a crank arm sliding block device, the crank arm sliding block device serves as a load simulating system, a simulation oil tank chassis, multiple springs and a foundation pile model form a group pile foundation simulation system, under motor driving, the load simulation system exerts loads to the group pile foundation simulation system to enable the simulation oil tank chassis todo reciprocated lifting in the vertical direction, the springs generate telescopic deforming, through deforming of the springs, the loads are generated and are exerted to the foundation pile model, settlement of the model is generated, and the device is easy to manufacture, convenient to operate, and capable of the settlement rule test of foundation piles in the group pile foundation under the circular loads.

Description

Technical field [0001] The invention relates to civil engineering and oil and gas storage and transportation engineering research, in particular to a vertical cyclic load loading test device for the settlement test of a pile foundation of a storage tank. Background technique [0002] Most of the large-scale steel storage tanks in my country are built in coastal cities, often distributed in soft soil layers, and are prone to various settlement deformations, including the overall uniform settlement of the storage tank, the dish-shaped settlement of the bottom plate, the overall inclined settlement of the storage tank, and the surrounding areas of the storage tank. Uneven settlement, etc. The vertical cylindrical steel storage tank used in our country is a typical metal thin-shell structure, and its stability is very sensitive to settlement deformation. Among them, the uneven settlement around the tank has the most unfavorable influence on the stability of the steel storage tank. Th...

Claims

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Application Information

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IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 杨文东李创创邵逸博杨子惟岳滨禧李衍昭
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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