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Rigid auxiliary system for concrete uniaxial compression test

An auxiliary system, uniaxial compression technology, applied in the direction of applying stable tension/pressure to test material strength, strength characteristics, measuring devices, etc., can solve problems such as insufficient applicability, achieve strong applicability, simple operation, improve safety effect

Pending Publication Date: 2021-01-29
NANJING UNIV OF TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide a concrete uniaxial compression test rigid auxiliary system in order to overcome the lack of applicability of the existing rigid auxiliary test device

Method used

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  • Rigid auxiliary system for concrete uniaxial compression test
  • Rigid auxiliary system for concrete uniaxial compression test
  • Rigid auxiliary system for concrete uniaxial compression test

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Embodiment Construction

[0016]The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0017]Such asFigure 1-5Shown: A rigid auxiliary system for uniaxial compression test of concrete, including four rigid auxiliary devices, four sets of rigid auxiliary devices are symmetrically distributed around the concrete specimen, namely on the four corners of the lower plate 7 of the press; The device includes a force-transmitting steel pipe 1, a disc spring 2, a connecting plate 3, a guiding steel column 4, a test bench 5, a press upper plate 6, a press lower plate 7 and bolts 8. The connecting plate 3 and the guide steel column 4 are connected by welding, and the disc spring 2 and the force transmission steel pipe 1 pass through the guide steel column 4 in order to be stacked. Such asimage 3 As shown, the connecting plate 3 and the lower plate 7 of the press are connected by bolts 8.

[0018]Such asimage 3 The rigid auxiliary system can be adjusted to meet the he...

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Abstract

The invention discloses a rigid auxiliary system for a concrete uniaxial compression test; the rigid auxiliary system is composed of four sets of rigid auxiliary devices, and the four sets of rigid auxiliary devices are symmetrically distributed on the periphery of concrete test pieces, namely the four corners of a lower pressing plate of a press machine. Each set of rigid auxiliary device comprises a force transmission steel pipe, a belleville spring, a connecting plate, a guide steel column and a bolt. The device supports high-strength concrete test pieces of different sizes, has high applicability and operability, can adjust the rigidity of the auxiliary system according to the rigidity of the concrete test pieces, and can adjust the height of the rigid auxiliary system according to theconcrete test pieces of different sizes; the device can basically cover the uniaxial compressive stress-strain test work of existing concrete test pieces.

Description

Technical field[0001]The invention belongs to the field of civil engineering, and relates to a rigid auxiliary system for a uniaxial compression test of concrete, in particular to a rigid auxiliary system for a uniaxial compression stress-strain test of high-strength concrete.Background technique[0002]With the improvement and development of science and technology, high-strength concrete has been widely used in many engineering fields, and has gradually become an indispensable material in industrial and civil buildings. In the uniaxial compressive stress-strain test of ultra-high-strength concrete, it is more dangerous and difficult to measure the falling section of high-strength concrete compressive stress-strain, and the emergence of rigid element auxiliary system greatly reduces the difficulty of the test , The device has great scientific research value. Therefore, many universities have increased their research and development efforts to improve the manufacturing and working capa...

Claims

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Application Information

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IPC IPC(8): G01N3/02G01N3/08
CPCG01N3/02G01N3/08G01N2203/0003G01N2203/0019G01N2203/0075G01N2203/0252G01N2203/0676G01N2203/0682
Inventor 杜咏陈敬芝严奥宇
Owner NANJING UNIV OF TECH
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