Device for testing compression in rectangular steel plate surface

A technology of rectangular steel plate and test device, which is applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problems of increasing the complexity of the test device and so on.

Inactive Publication Date: 2012-07-04
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the batch test of different specimen parameters is further considered, the complexity of the test device will be increased.

Method used

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  • Device for testing compression in rectangular steel plate surface
  • Device for testing compression in rectangular steel plate surface
  • Device for testing compression in rectangular steel plate surface

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Embodiment Construction

[0034] The embodiments of the present invention are described in detail below. Based on the premise of the technical solution of the present invention, the present embodiment provides detailed implementation and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0035] Such as Figure 1-4 As shown, this embodiment provides a rectangular steel plate in-plane compression test device, including a square-shaped main frame, the main frame is composed of longitudinal H-shaped steel 1 and horizontal H-shaped steel 2, 3, and is supported on the base H On the shaped steel 4, 5; the hydraulic jack 19 is placed horizontally on the base H-shaped steel 5, and the pad 18 is placed at the end of the jack; a load-guiding rigid block 6 is set between the jack 19 and the steel plate test piece 20, and the rigid block is composed of The block clamp 7 is fixed on the longitudinal H-shaped steel 1 of the main frame; the uppe...

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Abstract

The invention discloses a device for testing compression in a rectangular steel plate surface, belonging to the field of civil engineering professional testing devices. The device is formed by connecting a square main frame with H-shaped steel through a bolt, and can be used for self-balance in a test load. In the device, a load guide rigid block is arranged between a hydraulic jack and a steel plate loading edge, so that uniform compression loading is realized, and off-plate simple support constraint conditions are provided for four sides of a test steel plate through a wedge-shaped support plate. In the entire testing device, the size of a component can be adjusted flexibly according to the size of a test piece, so that the loading requirements of steel plates of different sizes are met. Due to the adoption of the device, uniform compression testing in the rectangular steel plate surface is more convenient, and the batch testing requirements of test pieces are met simultaneously; and the device can be applied to civil engineering teaching and scientific research testing.

Description

technical field [0001] The invention relates to a teaching and scientific research test device for the civil engineering specialty, which is particularly suitable for the mechanical performance test of a rectangular compressed steel plate in a civil engineering structure. Background technique [0002] With the development of my country's national economic level, steel structures have been more widely used in my country's engineering construction. In steel structures such as buildings and bridges, in-plane compression is the most common stress mode for steel plates. Compared with tension, in addition to the consideration of strength, plate compression also has the potential for buckling failure. As a basic element of a steel structure, a single plate plays a vital role in the safety of the entire structure by its pressure properties, and is significantly affected by factors such as initial bending, opening ratio, and stiffness of stiffeners. Therefore, it has become a scien...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/12
Inventor 程斌王健磊李纯钱沁
Owner SHANGHAI JIAO TONG UNIV
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