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A space structure multi-plane complex load loading test system and test method

A space structure and test system technology, applied in the direction of testing material strength by applying stable torsion force, testing material strength by applying stable bending force, testing material strength by applying stable tension/pressure, etc., can solve the safety evaluation of space structure Destruction and other issues

Active Publication Date: 2021-04-27
DALIAN UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

At present, there is still a lack of relevant test equipment in China to accurately simulate the complex stress state of the space structure, and carry out the safety evaluation and damage mechanism research of the space structure under complex load conditions

Method used

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  • A space structure multi-plane complex load loading test system and test method
  • A space structure multi-plane complex load loading test system and test method
  • A space structure multi-plane complex load loading test system and test method

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Embodiment Construction

[0043] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0044] figure 1 , 2 , 3 shows a layout diagram of a space structure multi-plane complex load loading test system. In the figure, this space structure multi-plane complex load loading test system includes the test system base 2 arranged on the foundation 1, the loading system operating platform 7, the hydraulic oil source 8, the pressurized oil pump 9, the cooling water tank 10 and the electric control system . The test system base 2 is provided with an adjustable reaction force column 3 and a plurality of independent loading units 6 , and one side of the adjustable reaction force column 3 is provided with a cantilever flange fixed end 4 . The position of the cantilever flange fixed end 4 on the adjustable reaction column 3 is adjusted according to the height of the test piece 11 . The base 2 of the test system is an all-roun...

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Abstract

A space structure multi-plane complex load loading test system and test method belong to the technical field of civil and ocean engineering structure tests. The test system includes the base of the test system arranged on the foundation, the operating platform of the loading system, the hydraulic oil source, the pressurized oil pump, the cooling water tank and the electric control system. The base of the test system is equipped with adjustable reaction columns and multiple independent loading units , One side of the adjustable reaction force column is provided with a cantilever flange fixed end. The upper end of the chord of the specimen is fixedly connected to the fixed end of the cantilever flange of the adjustable reaction force column, the lower end is fixed on the base of the test system, and the struts of the specimen are fixedly connected to the flange connection surfaces of the respective independent loading units. The test system has two loading methods of force control and displacement control, which can realize cyclic loading of single load or load combination, and can be used to carry out fatigue damage tests of space structures, verify the fatigue ultimate bearing capacity, and reveal the fatigue damage mechanism.

Description

technical field [0001] The invention relates to a multi-plane complex load loading test system and test method for a space structure, which is used to carry out research on failure modes and damage mechanisms of multi-plane loaded structures under the joint action of axial force, bending moment and torque, which belongs to civil and ocean engineering structures field of test technology. Background technique [0002] With the development of the economy and the progress of society, more and more large-scale, special-shaped, complex buildings and structures have appeared, and correspondingly more and more complex components have been produced. For example, the connection components in the space support system of large stadiums, the force transmission components in the transfer layer of super high-rise buildings, the connection components in the roof grid structure of airports, the multi-plane pipe nodes in the fixed foundation structure of offshore wind turbines, etc., the abov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08G01N3/20G01N3/22G01N3/02
CPCG01N3/02G01N3/08G01N3/20G01N3/22G01N2203/0017G01N2203/0019G01N2203/0021G01N2203/0023
Inventor 李昕鲍石榴王文华张昱
Owner DALIAN UNIV OF TECH
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