Instrument for judging rebar space and protection layer thickness in steel concrete structure by magnetic force

A technology for the thickness of the protective layer and inner steel bars, which is applied in the direction of instruments, mechanical devices, and mechanical thickness measurement, etc., can solve the problems of inconvenient carrying, high maintenance cost, and easy damage, and achieve enhanced protection effects, enhanced safety, and reduced The effect of maintenance costs

Pending Publication Date: 2020-01-10
广州市建筑材料工业研究所有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] (1) The existing instruments that use magnetic force to determine the spacing of steel bars and the thickness of the protective layer in steel concrete structures are inconvenient to carry, easy to damage, and have high maintenance costs, so they need to be improved

Method used

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  • Instrument for judging rebar space and protection layer thickness in steel concrete structure by magnetic force
  • Instrument for judging rebar space and protection layer thickness in steel concrete structure by magnetic force
  • Instrument for judging rebar space and protection layer thickness in steel concrete structure by magnetic force

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0028] like Figure 1 to Figure 7 As shown, an instrument that uses magnetic force to determine the distance between steel bars and the thickness of the protective layer in a steel concrete structure, it includes a collection cylinder 1, the bottom of the collection cylinder 1 is fixedly connected with a first connecting block 2, and the top of the collection cylinder 1 is provided with a cover 3 The side of the cover 3 away from the collection tube 1 is fixedly connected with a second connection block 4, and the side adjacent to the first connection block 2 and the second connection block 4 is fixedly connected with a fixed piece 5, and the first connection block 2 and the second connection block 4 are fixedly connected with each other. The insides of the two connecting bloc...

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Abstract

The invention relates to the technical field of building detection instrument, in particular to an instrument for judging rebar space and protection layer thickness in a steel concrete structure by amagnetic force. The instrument comprises a collection cylinder, wherein a first connection block is fixedly connected with the bottom of the collection cylinder, a cover is arranged at the top of thecollection cylinder, a second connection block is fixedly connected with one side, far away from the collection cylinder, of the cover, fixed pieces are fixedly connected with sides, adjacent to eachother, of the first connection block and the second connection block, connection holes are formed in the first connection block and the second connection block, and straps are arranged in the two connection holes. The instrument has the advantages that a protection film is arranged, the protection effect of a magnetic rolled plate is effectively improved, and damage to one side far away from a detection surface due to collision and friction of other objects during the application process of the magnetic rolled plate is effectively reduced, so that the magnetic rolled plate is difficult to damage, and the maintenance cost of the magnetic rolled plate is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of building detection instruments, in particular to an instrument for judging the distance between steel bars and the thickness of a protective layer in a steel concrete structure by using magnetic force. Background technique [0002] The reason why reinforced concrete can work together is determined by its own material properties. First, steel bars and concrete have approximately the same linear expansion coefficient, which will not cause excessive stress due to different environments. Second, there is good adhesion between steel bars and concrete. Sometimes the surface of the steel bar is also processed into spaced ribs to improve the mechanical engagement between the concrete and the steel bar. When this is still not enough to transmit the tension between the steel bar and the concrete, the end of the steel bar is usually bent 180 In addition, the alkaline environment provided by the calcium hydroxide in ...

Claims

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Application Information

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IPC IPC(8): G01B5/06G01B5/14
CPCG01B5/14G01B5/066
Inventor 欧曙光赵侠潘智杰王守林钟传国
Owner 广州市建筑材料工业研究所有限公司
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