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On-site testing device and method for tangential bonding strength of fireproof coating of steel structure

A fireproof coating and bonding strength technology, which is applied in the field of on-site testing devices for the tangential bonding strength of fireproof coatings on steel structures, can solve the problems that measuring equipment and methods cannot be used on site, and achieve fast detachable connection and realization The effect of detachable connection and convenient operation

Active Publication Date: 2021-11-09
HUAQIAO UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The current method of measuring the interface tangential bond strength used in engineering can only be realized in the laboratory with the help of a universal testing machine, and this set of measuring equipment and methods cannot be used in the field

Method used

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  • On-site testing device and method for tangential bonding strength of fireproof coating of steel structure
  • On-site testing device and method for tangential bonding strength of fireproof coating of steel structure
  • On-site testing device and method for tangential bonding strength of fireproof coating of steel structure

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Embodiment Construction

[0048] In the claims, description and above-mentioned drawings of the present invention, unless otherwise clearly defined, the terms "first", "second" or "third" are used to distinguish different objects, not for Describe a specific order.

[0049]In the claims, specification and above-mentioned drawings of the present invention, unless otherwise clearly defined, for orientation words, such as using the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top" , "Bottom", "Inner", "Outer", "Up", "Down", "Front", "Back", "Left", "Right", "Clockwise", "Counterclockwise" and other directions or The positional relationship is based on the orientation and positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation , ...

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Abstract

The invention discloses an on-site testing device and method for tangential bonding strength of a fireproof coating of a steel structure. A hoop is selectively and detachably connected with a longitudinal connecting piece and a transverse connecting piece; a hydraulic pump device is arranged in the hoop; the force application direction of the hydraulic pump device is the vertical direction when the hoop is connected with the longitudinal connecting piece; when the hoop is connected with the transverse connecting piece, the force application direction of the hydraulic pump device is the horizontal direction; a clamp is fixedly connected to the hydraulic pump device and is provided with a clamping position; the clamping end of an auxiliary steel plate is detachably fixed to the clamping position, and the testing end is coated with epoxy resin glue and bonded to the fireproof coating of the steel structure; the hydraulic pump device applies tensile force to the clamp, the direction of applying the tensile force by the hydraulic pump device is parallel to the connecting surface of the test end and the fireproof coating; and the clamp drives the auxiliary steel plate to move together so as to measure the tangential bonding strength of the fireproof coating. The testing device can be applied to field measurement, and is simple in structure and convenient to operate.

Description

technical field [0001] The invention relates to an on-site testing device and method for the tangential bonding strength of a fireproof coating of a steel structure. Background technique [0002] When steel structures use fire-resistant coatings for fire-resistant design, it is usually assumed that the working performance of fire-resistant coatings will not be affected by aging and surrounding environmental conditions. The flame retardant system and matrix resin of intumescent steel structure fire retardant coatings contain organic components. Facts have proved that the working performance of intumescent steel structure fire retardant coatings will be degraded after they are put into use. The reliability of steel structure buildings protected by intumescent fire-resistant coatings within the design service life has attracted widespread attention from fire departments, engineering design units and coating manufacturers. [0003] Working performance includes thermal insulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/04
CPCG01N19/04
Inventor 王玲玲王超占楠樱叶勇
Owner HUAQIAO UNIVERSITY
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