Vertical cyclic load loading test device for oil tank pile foundation settlement test

A loading test device and pile foundation technology, which can be used in foundation structure tests, foundation structure engineering, construction, etc., can solve problems such as storage tank failure and tank wall deformation, and achieve convenient operation, simple production, and rich and comprehensive experimental data. Effect

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 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 cyclic load loading test device for oil tank pile foundation settlement test
  • Vertical cyclic load loading test device for oil tank pile foundation settlement test
  • Vertical cyclic load loading test device for oil tank pile foundation settlement test

Examples

Experimental program
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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Such as Figure 1-4 As shown, the vertical cyclic load loading test device for the settlement test of the oil tank pile foundation includes 1. Motor 2. Drive rod 3. Box bracket 4. Spring 5. Force sensor 6. Bearing box 7. Pile foundation model 8 . Displacement sensor 9. Motor transmission rod 10. Free guide rail 11. Guide rail pulley 12. First active rod 13. Fixed guide rail plate 14. Central transmission gear. Its main features are: the motor 1 and the fixed guide rail plate 13 are installed above the box body support 3; one end of the motor transmission rod 9 is connected with the rotating shaft of the motor 1, and the other end is embedded in the free guide rail 10 through a protruding short shaft (see image 3 ); the free guide rail 10 is fixed on the lower end of the first active rod 12, and there are two guide rail pulleys 11 arranged up and down behind th...

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Abstract

The invention belongs to the field of geotechnical engineering and oil and gas storage and transportation, and particularly relates to a vertical cyclic load loading test device for an oil tank pile foundation settlement test. The vertical cyclic load loading test device mainly comprises a box body bracket, a spring, a force sensor, a bearing box, a pile foundation model, a displacement sensor, amotor, a motor transmission rod, a free guide rail, a guide rail pulley, a first driving rod, a driven action rod, a central transmission gear and a fixed guide rail plate; and the vertical cyclic load loading test device is characterized in that a motor driving device of the device enables a lifting rod to ascend and descend in a reciprocating mode in the vertical direction through a gear transmission device, so that the spring is subjected to telescopic deformation, a load is generated through deformation of the spring and is applied to a pile foundation model, and the pile foundation modelis settled. The vertical cyclic load loading test device is easy to manufacture and convenient to operate, and a settlement rule of a pile foundation under the cyclic load can be tested.

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 oil tank pile foundation settlement testing. Background technique [0002] Most of the large-scale steel storage tanks in my country are built in coastal cities and are often distributed in soft soil layers, which 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 deformation of the storage tank. Uneven settlement, etc. The vertical cylindrical steel storage tank adopted in my country is a typical metal thin shell structure, and its stability performance is very sensitive to settlement deformation. Among them, the uneven settlement around the tank has the most adverse effect on the stability of the steel stora...

Claims

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Application Information

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IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 杨文东岳滨禧邵逸博杨子惟李衍昭李创创
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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