Sleeve grouting compactness detection device and detection method

A technology of density detection and sleeve grouting, which is applied in the direction of testing the strength of materials using a single impact force, which can solve the problem of undetectable density of sleeve grouting, and achieve the effect of improving the technical level, ensuring seismic performance and improving reliability.

Inactive Publication Date: 2017-04-26
ANHUI UNIVERSITY OF ARCHITECTURE
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  • Abstract
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Problems solved by technology

[0004] In order to solve the problem that the sleeve grouting density cannot be detected in the current assembly structure, the invention provide...

Method used

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  • Sleeve grouting compactness detection device and detection method
  • Sleeve grouting compactness detection device and detection method
  • Sleeve grouting compactness detection device and detection method

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Embodiment Construction

[0028] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0029] Such as figure 1 As shown, the present invention discloses a sleeve grouting compactness detection device, comprising an impact hammer 1, a guide 2, a grout outlet 3, a grout 4, a sleeve 5, a steel bar 6, a grout inlet 7, a sensor 8, a signal Amplifier 9, computer 10. The sleeve 5 is provided with a steel bar 6, and the steel bar 6 and the sleeve 5 are connected by grouting to form a sleeve slurry-anchor connector. The sleeve slurry-anchor connector can have various forms, which will not be described in this embodiment. The sleeve One end of 5 is connected to the steel bar, and the connection method includes threaded connection or other connection methods, but no matter what the connection method is, the stable connection between the steel b...

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Abstract

The invention discloses a sleeve grouting compactness detection device and a detection method. The device comprises an impact hammer, a guider, a grout outlet, a grout inlet, a grouting material, a sleeve, a steel bar, a sensor, a signal amplifier and a computer. The sleeve is internally provided with the steel bar and is grouted, the sensor is pasted on the surface of grout at the grout inlet of the detected sleeve, the guider is pasted on the surface of grout at the grout outlet of the sleeve, the impact hammer impacts the guider for whipping, the sensor receives a vibration reflected signal, the signal amplifier amplifies and stores the received reflected signal, and the computer reads the signal stored by the signal amplifier. The technology makes up the blank of existing sleeve grouting compactness detection technology, and improves the sleeve grouting quality and steel bar connection reliability, thus guaranteeing the seismic performance of a fabricated structure, enhancing the technological level of fabricated structure, and promoting the development of the construction industry modernization cause.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular, the invention discloses a sleeve grouting compactness detection device and a detection method. Background technique [0002] With the continuous deepening of my country's construction industrialization, reinforced concrete prefabricated structures have been used more and more, and the seismic performance of reinforced concrete prefabricated structures depends on whether the connection of steel bars is reliable. Most of the current methods use grouting sleeve connection, grouting The quality of the sleeve connection mainly depends on the compactness of the grouting in the sleeve, so it is necessary to have detection means to check the density of the grouting in the field construction, but because the sleeve is made of steel and the space inside the sleeve is small, the existing The inspection and acceptance method cannot be inspected. This is an important problem in t...

Claims

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Application Information

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IPC IPC(8): G01N3/30
Inventor 刘运林陈旭东丁克伟刘建军
Owner ANHUI UNIVERSITY OF ARCHITECTURE
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