Interior static pressure injection device for measuring compressive strength of masonry mortar

A technology of compressive strength and masonry mortar, which is applied in the field of indoor static pressure penetration devices, to achieve the effects of simplifying the test process, improving accuracy and reliability, and reducing workload

Inactive Publication Date: 2017-05-31
TAIYUAN UNIV OF TECH
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  • Application Information

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Problems solved by technology

[0005] The present invention provides an indoor static pressure penetrating device for measuring the compressive strength of masonry mor

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  • Interior static pressure injection device for measuring compressive strength of masonry mortar

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Embodiment Construction

[0012] An indoor static pressure penetrating device for measuring the compressive strength of masonry mortar, comprising a bottom plate 1 fixed on a base, vertical and opposite side vertical plates 2 fixed on the bottom plate 1 in parallel, fixed on The cover plate 3 between the tops of the vertical plates 2 on both sides, the vertical screw rod 5 with the horizontal hand wheel 4 that vertically passes through the cover plate 3 and is screwed with the cover plate 3, is installed on the vertical screw rod 5 lower end of the vertical screw rod 5. To the pressure sensor 6, the clamp 7 installed at the lower end of the vertical pressure sensor 6 is fixed below the clamp 7 and the penetrating steel needle 8 whose cone head faces the bottom plate 1,

[0013] The lower part of each side vertical board 2 is respectively horizontally and vertically penetrated with a horizontal screw 9, and each horizontal screw 9 is threadably matched with the lateral vertical board 2, and each horizont...

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Abstract

The invention relates to the field of measuring the compressive strength of mortar in mortar joints of masonry, and particularly relates to an interior static pressure injection device for measuring the compressive strength of masonry mortar. The interior static pressure injection device comprises a bottom plate, two lateral vertical plates, a cover plate, a vertical screw, a vertical pressure sensor, a clamp and an injection steel needle, wherein the bottom plate is fixedly arranged on a base, the two lateral vertical plates are vertical and are oppositely fixed on the bottom plate in parallel, the cover plate is fixedly arranged between the top ends of the two lateral vertical plates, the vertical screw vertically and perpendicularly penetrates through the cover plate, is in threaded fit with the cover plate and is provided with a horizontal hand wheel, the vertical pressure sensor is arranged at the lower end of the vertical screw, the clamp is arranged at the lower end of the vertical pressure sensor, the injection steel needle is fixedly arranged below the clamp, and the conical head of the injection steel needle faces towards the bottom plate. Compared with the prior art, the interior static pressure injection device has the beneficial effects that the simultaneous measurement on axial pressure, injection force limit value and injection depth in the same device can be realized, so that the testing precision and reliability can be increased.

Description

technical field [0001] The invention relates to the field of measuring the compressive strength of masonry mortar, in particular to an indoor static pressure penetration device for measuring the compressive strength of masonry mortar. Background technique [0002] At present, there are many testing methods for the compressive strength of masonry mortar in my country. The current national "Technical Specifications for Masonry Engineering Field Testing" GB50315-2011 masonry mortar testing methods include: cylinder pressure method, mortar sheet shearing method, Mortar rebound method, point load method and selective pressure method. However, these methods are not widely used in on-site detection due to practical problems such as the need for sampling and preparation, inconvenient operation, many influencing factors, and large errors. In fact, one of the more commonly used methods in on-site testing is the penetration method, which implements the industry standard of the People's...

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Application Information

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IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/0003G01N2203/0019G01N2203/0037G01N2203/0087G01N2203/0617G01N2203/0676G01N2203/0682
Inventor 郭昭胜巫俊杰崔娟玲张冬艺王蕊
Owner TAIYUAN UNIV OF TECH
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