Concrete anti-cracking performance testing device

A technology for crack resistance and testing device, which is applied in measurement devices, electromagnetic measurement devices, preparation of test samples, etc., and can solve the problems of single internal environment and many concrete bubbles.

Pending Publication Date: 2021-08-24
南通固盛建材有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a concrete crack resistance test device to solve the problems that the test device proposed in the above background technology has more air bubbles inside the concrete and the internal environment is relatively single during the test process

Method used

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  • Concrete anti-cracking performance testing device
  • Concrete anti-cracking performance testing device
  • Concrete anti-cracking performance testing device

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0027] see Figure 1-5 , an embodiment provided by the present invention: a concrete crack resistance test device, including a casing 1 and a concrete crack resistance test system, a base 2 is installed at the middle position inside the casing 1, and the base 2 and the casing 1 are slid by The support rod 16 is slidingly connected, the bottom of the housing 1 is provided with a transmission base plate 8, the front and rear ends of the transmission base plate 8 are provided with tooth grooves 35, the middle position of the upper end of the base 2 is provided with an inner mold 3, and the inner mold 3 and the base 2 In one structure, the outer mold 4 is installed on th...

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Abstract

The invention discloses a concrete anti-cracking performance testing device, relates to the technical field of concrete detection, and aims to solve the problems of more bubbles in concrete and relatively single internal environment in the testing process of an existing testing device. A base is installed in the middle of the interior of the shell, a transmission bottom plate is arranged at the bottom of the shell, tooth grooves are formed in the front end and the rear end of the interior of the transmission bottom plate, an inner mold is arranged in the middle of the upper end of the base, an outer mold is installed on the periphery of the upper end of the base, and the space between the inner mold and the outer mold is filled with a concrete test piece. A heating device is installed on one side of the interior of the shell, a fan is installed on one side of the heating device, a water mist outlet is fixedly formed in the other side of the interior of the shell, an atomization device is installed on the other side of the shell, an electronic magnifying lens is arranged above the shell, and a window is arranged in the middle of the upper end of the shell.

Description

technical field [0001] The invention relates to the technical field of concrete detection, in particular to a concrete crack resistance test device. Background technique [0002] Since the tensile strength of concrete is much smaller than the compressive strength, the ultimate tensile deformation is very small, and cracks are prone to occur under the action of external force, temperature change, humidity change, etc. Cracks in concrete and reinforced concrete can affect the integrity, durability, and even safety and stability of buildings. Cracks can be divided into three types: stress cracks, drying shrinkage cracks and temperature cracks. Under the action of external force, concrete cracks are called stress cracks; during the hardening and use of concrete, cracks caused by changes in water content are called dry shrinkage cracks; during the process of thermal expansion and contraction of concrete due to temperature changes, temperature stress occurs The cracks caused by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/38G01N1/28G05D27/02G01B7/16
CPCG01N33/383G01N1/28G05D27/02G01B7/18
Inventor 刘峰马安沈向阳马鑫峰
Owner 南通固盛建材有限公司
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