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V-H composite bearing capacity model test loading device and method

A technology for loading equipment and model testing, which is applied in the testing of infrastructure, construction, infrastructure engineering, etc. to achieve high repeatability, manpower saving, and flexible application.

Pending Publication Date: 2021-06-11
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a V-H composite bearing capacity model test loading equipment to solve the problem of combined vertical and horizontal loading in the existing marine foundation model test

Method used

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  • V-H composite bearing capacity model test loading device and method
  • V-H composite bearing capacity model test loading device and method
  • V-H composite bearing capacity model test loading device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Such as Figure 1 to Figure 3 As shown, a V-H composite bearing capacity model test loading device includes a horizontal loading system, a vertical loading system, a conversion system, a sensor 14 and a base plate 15;

[0057] The horizontal loading system includes a slide rail 1, a slide rail plate 2, a slider 3, a horizontal connector 4 and a limit block 5; two slide rails 1 are fixed on the slide rail plate 2 in parallel; each slide rail 1 The slider 3 with locking function is set on the top, and the slider 3 is fixed on the slide rail 1 by the pin 7 to prevent sliding during vertical loading; the slider 3 can slide smoothly on the slide rail 1 by loosening the pin 7 , in order to apply horizontal loads; the top of the slider 3 is welded with a loading plate 6 for connection with the vertical loading system; one end of the slide rail 1 is welded with a horizontal connector 4 for connecting horizontal loading equipment, and the horizontal connector 4 The bottom of th...

Embodiment 2

[0075] When carrying out the vertical loading test: (1) firstly connect the assembled V-H composite bearing capacity model test loading equipment to the foundation 16 roof bolts through the bottom plate 15; (2) connect the loading rod 8 and the vertical loading motor; (3) Ensure that the slide rail plate 2 is flush with the end of each loading plate 6, lock the slider 3, level the fixed screw 11, connect the sensor 14 and the data acquisition instrument, and carry out vertical loading.

Embodiment 3

[0077] When carrying out the horizontal loading test: (1) firstly connect the assembled V-H composite bearing capacity model test loading equipment with the foundation 16 roof bolts through the bottom plate 15; (2) connect the loading rod 8 and the vertical loading motor, this operation is In order to play the role of erecting and fixing loading equipment when loading horizontally; (3) the horizontal connector 4 of the loading equipment is connected to the horizontal loading motor; (4) ensuring that the end of the slide rail plate 2 is flush with each loading plate 6, Loosen the slider 3, disassemble the fixing screw 11, connect the sensor 14 and the data acquisition instrument, and carry out horizontal loading.

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Abstract

The invention discloses a V-H composite bearing capacity model test loading device and method. The test loading device comprises a horizontal loading system, a vertical loading system, a conversion system, a sensor and a bottom plate. The problem of vertical and horizontal combined loading in an existing marine foundation model test is solved. The test loading device has the following advantages that (1) convenience is achieved, specifically, the structure is simple, operation is convenient, and manpower is saved; (2) the application range is wide, specifically, the test loading device is suitable for most ocean gravity type and suction type foundation types, and the difficulty of model test research foundation V-H composite bearing capacity is greatly lowered; (3) repeatability is high, specifically, the test loading device can be repeatedly used for a composite loading test of a foundation; and (4) flexibility is high, specifically, combined application of vertical and horizontal loads can be well achieved, application of the vertical or horizontal loads can further be conducted independently, and application is flexible.

Description

technical field [0001] The invention belongs to the technical field of marine foundation engineering, and in particular relates to a loading device and method for a V-H composite bearing capacity model test. Background technique [0002] Offshore oil and gas resources are relatively abundant. With the rapid economic development, large-scale development of offshore oil and gas resources has become an inevitable trend, and various drilling, oil production and storage platforms have emerged as the times require. In addition, the demand for clean energy is also increasing with the development of the economy and society, which promotes the development of clean energy such as offshore wind energy to usher in a new upsurge. Whether it is a variety of offshore platforms or offshore wind turbines, in order to cope with the complex marine environment during service, the design of the foundation is particularly important, and the bearing capacity is the most basic issue in foundation d...

Claims

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Application Information

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IPC IPC(8): E02D33/00
CPCE02D33/00
Inventor 刘润孙国栋汪嘉钰江宇王一伟宋毅然
Owner TIANJIN UNIV
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