On-site anti-shear strength detector for flexible adhesive material

A technology of shear strength and bonding materials, which is applied in the direction of applying stable shear force to test the strength of materials, etc., can solve the problem that the on-site test of the bridge deck waterproof layer cannot accurately reflect the shear performance of the waterproof layer, and the difference in shear force Larger problems, to achieve the effect of enhancing practicability, convenient portability, and reducing volume

Inactive Publication Date: 2007-10-10
SOUTHEAST UNIV
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Problems solved by technology

[0002] The shear strength test of the flexible waterproof layer has specified the indoor shear strength test method and technical standard in JT/T535-2004 "Water-based Asphalt-Based Waterproof Coatings for Roads and Bridges" in the transportation industry standard of the People's Republic of China, and the test requires a press fixture The angle is 30°~45°, but there is no provision for the test of the on-site shear strength. At present, there are direct shear instruments for the on-site shear strength of flexible waterproof layers in China. The results cannot be compared, and there is a big difference between

Method used

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  • On-site anti-shear strength detector for flexible adhesive material
  • On-site anti-shear strength detector for flexible adhesive material

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Embodiment Construction

[0012] An on-site shear strength tester for flexible adhesive materials, comprising a transmission 2, a pressure sensor 4, and a pressure head 5, a shaft 3 that can be lifted and lowered is arranged in the transmission 2, the pressure sensor 4 is arranged at the end of the shaft 3, and the pressure head 5 is located at the end of the pressure sensor 3. The field shear strength tester for flexible materials includes a base 1, and the transmission 2 is movably connected to the base 1. In this embodiment, the base 1 includes a bracket 11 and two vertical Arm 12, two upright arms 12 are located at the both sides of machine base 1 and position is opposite, on two upright arms 12, splint 13 is movably connected respectively, and two splints 13 are positioned at the inner side of upright arm 12 respectively, in two The splint 13 is respectively provided with an arc-shaped groove 6, and the two vertical arms 12 are respectively provided with a groove 7, and the groove 7 is located belo...

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Abstract

An analyzer used for detecting shear strength of flexible bound material on-site is prepared for setting shaft being able to be lifted up and down in speed variator, arranging pressure transducer at end of said shaft, setting pres head at end of pressure transducer.

Description

technical field [0001] The invention relates to a material shear strength tester, in particular to an on-site shear strength tester for flexible bonding materials. Background technique [0002] The shear strength test of the flexible waterproof layer has specified the indoor shear strength test method and technical standard in the transportation industry standard JT / T535-2004 of the People's Republic of China "Water-based Asphalt-Based Waterproof Coatings for Roads and Bridges", and the test requires a press fixture The angle is 30°~45°, but there is no provision for the test of the on-site shear strength. At present, there are direct shear instruments for the on-site shear strength of flexible waterproof layers in China. The results cannot be compared, and there is a large difference between the measured direct shear force and the shear force under dynamic load in the pavement structure, and field test equipment with a shear force angle of 30°-45° in line with the national ...

Claims

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Application Information

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IPC IPC(8): G01N3/24
Inventor 窦有年
Owner SOUTHEAST UNIV
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