Adjustable electronic temperature-controlled three-dimensional shotcrete performance testing experimental device and method

A technology of sprayed concrete and testing experiments, which is applied in the direction of measuring devices, instruments, etc., can solve the problems of cumbersome operation, time-consuming and laborious, and the inability to truly simulate the roadway, etc., and achieve the effect of high automated testing, high testing accuracy, and high testing efficiency

Active Publication Date: 2021-09-24
SHANDONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing experimental devices are not perfect enough to truly simulate the concrete spraying and performance testing at different positions on the top, bottom and side walls of the roadway in the high ground temperature environment of the roadway. At the same time, the operation is cumbersome, time-consuming and laborious

Method used

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  • Adjustable electronic temperature-controlled three-dimensional shotcrete performance testing experimental device and method
  • Adjustable electronic temperature-controlled three-dimensional shotcrete performance testing experimental device and method
  • Adjustable electronic temperature-controlled three-dimensional shotcrete performance testing experimental device and method

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Embodiment Construction

[0025] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:

[0026] like figure 1 — Figure 4 As shown, an adjustable electronic temperature-controlled three-dimensional sprayed concrete performance test experimental device is mainly composed of a control system, a specimen clamping system, a heating system, a spraying system and a testing system.

[0027] The control system is mainly composed of a control box 1 and a temperature regulator 2 installed in the control box 1 .

[0028] The specimen clamping system is mainly composed of a three-sided frame 3 , a specimen clamping frame 4 , a first horizontal hydraulic prop 5 and a clamping head 6 . The three-sided frame 3 is arranged directly above the control box 1, which is convenient for space arrangement and saves occupied space. The three-sided frame 3 is surrounded by a top plate 3a, a side plate 3b and a bottom plate 3c, and the opening of the three-sided fra...

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PUM

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Abstract

The invention discloses an adjustable electronic temperature-controlled three-dimensional sprayed concrete performance testing experimental device, which includes a control system, a specimen clamping system, a heating system, a spraying system and a testing system. The specimen clamping system includes a A three-sided frame, each of the four corners of the three-sided frame inner cavity is provided with a specimen holder, each specimen holder is equipped with a clamping head, the heating system includes a heating plate and a heater; the injection system includes a second Horizontal hydraulic prop, blower fan, collecting box, feed pipe, rotary nozzle, vertical hydraulic prop and vertical hydraulic push rod, and the test system includes a laser speedometer, an impact force sensor, a stress sensing sheet, and a temperature sensor; the present invention also includes Its experimental method is disclosed. It can simulate the high geothermal environment of the roadway, conduct three-dimensional concrete spraying in the roadway in real time, and perform the performance test of the spraying impact force, rebound rate and initial bond strength of the shotcrete under the influence of high temperature conditions.

Description

technical field [0001] The invention relates to the technical field of concrete spraying test devices, in particular to an adjustable electronic temperature-controlled three-dimensional sprayed concrete performance test device and method for laboratories. Background technique [0002] At present, in the deep mining of mines, tunnels and other fields often face high ground temperature disasters. Therefore, in the process of strengthening the roadway, in order to make the shotcrete technology more efficient and safe, it is necessary to highly simulate the real disaster conditions, and then accurately test various performance parameters in the shotcrete spraying process, so as to ensure the accuracy of the experimental data and real effectiveness. The existing experimental devices are not perfect enough to truly simulate the high ground temperature environment of the roadway, concrete spraying and performance testing at different positions on the top, bottom and side walls of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 刘兆霞赵继鹏刘国明陈连军郭楠孟祥瑞郭晓晗柴顺杰
Owner SHANDONG UNIV OF SCI & TECH
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