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Sealant fatigue testing device for fabricated building envelope

A technology for building envelope structure and test device, which is applied in the direction of measurement device, application of repetitive force/pulse force test material strength, instrument, etc.

Pending Publication Date: 2018-10-26
CHINA ACAD OF BUILDING RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the existing sealant detection technology, the detection of bonding quality is mainly the detection of bond strength (positive tension test) and the detection of shear strength (shear test), which cannot comprehensively evaluate the performance of the sealant when it is affected by the comprehensive force. Adhesion

Method used

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  • Sealant fatigue testing device for fabricated building envelope
  • Sealant fatigue testing device for fabricated building envelope

Examples

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Embodiment Construction

[0022] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0023] Such as figure 1 and figure 2 As shown, the embodiment of the present invention discloses a sealant fatigue test device for the prefabricated building enclosure structure, which is used to detect the test piece provided with the sealant. The sealant is applied to the enclosure structure wall of the prefabricated building Board, to achieve the bonding between the wall panel joints. The test device includes a specimen...

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Abstract

The invention relates to a sealant fatigue testing device for a fabricated building envelope. The sealant fatigue testing device is used for detecting test specimens with sealants and comprises a testspecimen fixing structure and a stretching structure. The test specimen fixing structure is used for test specimen fixation, the stretching structure comprises a force applying portion, one end of the force applying portion is connected with the test specimen, the test specimen and / or the force applying portion are capable of moving in a plane perpendicular to connection direction of the force applying portion and the test specimen to provide multiple detection positions of the test specimen or the force applying portion, and the force applying portion applies forces in different directions to the test specimen at each detection position; the multiple detection positions include a first detection position, and the force applying portion applies a force perpendicular to a plane of the testspecimen to the specimen at the first detection position. By position regulation of the test specimen and / or the force applying portion, the test specimen or the force applying portion has the multiple detection positions, sealant stress angle can be adjusted, and assessment of adhesion conditions of sealants under comprehensive force influences can be realized.

Description

technical field [0001] The invention relates to the field of building technology, in particular to a sealant fatigue test device for an assembled building envelope. Background technique [0002] The enclosure structure wall panels of prefabricated buildings are mainly prefabricated in factories, and are mechanically connected with beams, columns, and floors. The wall panels of the enclosure structure have the function of resisting loads such as earthquakes. Therefore, the sealant used for the joints of the wall panels is also subject to the combined effects of tension, compression, and shear due to the deformation of the wall panels. In the existing sealant detection technology, the detection of bonding quality is mainly the detection of bond strength (positive tension test) and the detection of shear strength (shear test), which cannot comprehensively evaluate the performance of the sealant when it is affected by the comprehensive force. Adhesive condition. [0003] The a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/32
CPCG01N3/32G01N2203/0073G01N2203/0017G01N2203/0005
Inventor 刘盈张仁瑜王霓郝志华
Owner CHINA ACAD OF BUILDING RES
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