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Assembly type building sleeve grouting detection method

A technology of sleeve grouting and detection method, which is applied to measuring devices, processing response signals of detection, and analyzing solids by using sonic/ultrasonic/infrasonic waves, etc., can solve the difficulty of grouting quality control of grouting holes, insufficient expansion, and insufficient strength. and other problems, to achieve the effect of improving the level of detection technology, promoting application and promoting social benefits

Pending Publication Date: 2020-11-06
CHONGQING JIANZHU COLLEGE
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AI Technical Summary

Problems solved by technology

[0004] ①The detection technology of sleeve grouting fullness is not advanced and perfect, and there is no unified detection method and standard in the whole country
There are still controversies in the test detection method, detection frequency, and evaluation criteria
[0005] ② It is difficult to control the quality of grouting in grouting holes
[0006] ③Traditional grouting materials have many problems such as insufficient strength and insufficient expansion

Method used

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  • Assembly type building sleeve grouting detection method
  • Assembly type building sleeve grouting detection method
  • Assembly type building sleeve grouting detection method

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Embodiment Construction

[0030] 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.

[0031] refer to Figure 1-4 , 1. The test method for sleeve grouting of prefabricated buildings, including the following steps:

[0032] S1: Collection of data, performance testing of grouting material, mix ratio test, selection of grouting sleeve, test and detection of fluidity, mechanics and expansion of grouting material, selection of suitable grouting material type, grouting sleeve joint, and assembly type Research on the test method and principle of building sleeve grouting;

[0033] S2: On-site layout, artificially formulate models of different fullness for sleeve grouting of prefabricated buildings, conduct theoretical and practical, qualitative and quantitat...

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Abstract

The invention discloses an assembly type building sleeve grouting detection method. The method comprises the following steps: collecting data, detecting the performance of a grouting material, carrying out a mix proportion test, selecting a grouting sleeve, carrying out test detection on the fluidity, the mechanical property, the expansibility and the like of the grouting material, selecting an appropriate grouting material variety and a grouting sleeve joint, and researching the grouting test method and principle of the fabricated building sleeve; carrying out on-site point distribution, grouting the fabricated building sleeve, artificially making models with different plumpness degrees, carrying out theoretical, practical, qualitative and quantitative system research on a sleeve groutingdetection technology, and carrying out experimental detection verification in combination with engineering projects; and performing field data collection: carrying out multiple tests on the model, and then collecting test data. Impact elastic waves are used as a test medium, experimental detection is conducted on sleeve grouting, and influences of grouting defects, boundary conditions, concrete materials, arrangement and the like on waveform parameters are clear.

Description

technical field [0001] The invention relates to the technical field of sleeve grouting for buildings, in particular to a detection method for sleeve grouting for fabricated buildings. Background technique [0002] The steel sleeve grouting construction process is a key link in the quality control of prefabricated building installation and construction, and is the focus of project quality control. Beijing, Shanghai, Anhui and other places took the lead in promoting prefabricated buildings. Song Bing of Tsinghua University proposed that the dimensional accuracy of civil construction should be improved, and the tolerance size of civil construction should be controlled and quantified. Zhao Yong from Tongji University thinks: Pay attention to the review of design drawings and the control of construction process. At this stage, many experts and scholars have studied the mechanical properties and failure modes of the grouted joints of reinforced sleeves caused by the material and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/04G01N29/12G01N29/46
CPCG01N29/045G01N29/12G01N29/46G01N2291/014G01N2291/0232G01N2291/0289
Inventor 于洪江张春丽段鹏张玲邢霖黄杉
Owner CHONGQING JIANZHU COLLEGE
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