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Solidifying and hardening progress monitoring system for mining cement filling slurry and monitoring method thereof

A technology of cement filling and monitoring system, applied in the direction of material resistance, etc., can solve the problems of non-destructive measurement, difficulty, destruction of the number of experimental specimens, etc.

Active Publication Date: 2014-12-10
CHINA UNIV OF MINING & TECH (BEIJING)
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

At present, the indoor penetration method and the press are mainly used to measure the consolidation strength characteristics, but the above-mentioned method mainly involves destructive testing and requires a large number of experimental specimens, so it is difficult to continuously and non-destructively measure the information of the whole process of slurry coagulation and hardening

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  • Solidifying and hardening progress monitoring system for mining cement filling slurry and monitoring method thereof
  • Solidifying and hardening progress monitoring system for mining cement filling slurry and monitoring method thereof
  • Solidifying and hardening progress monitoring system for mining cement filling slurry and monitoring method thereof

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Embodiment Construction

[0022] combine figure 1 As shown in Fig. 1, a monitoring system for the consolidation and hardening process of cemented filling slurry for mine use, including a pressurized sample mechanism and a sample measuring mechanism. The real-time change of sample resistance further reflects the consolidation and hardening process of mine cemented filling slurry.

[0023] In the pressurized sampling mechanism, the sample preparation mold 4 is embedded in the limiting mold 6, the limiting mold 6 is fixed on the bottom of the connecting frame 8, and the resistance increaser 7 is fixed on the connecting frame 8 The centroid of the upper part is on the same axis as the centroid of the limiting mold 6, and the top of the resistance booster 7 can extend into the sample preparation mold 4 when pressurized;

[0024] In the sample measuring mechanism, the needle electrode 1 passes through the sample preparation mold 4 and the limit mold 6 at equal intervals through the electrode holes 9 ...

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Abstract

The invention discloses a solidifying and hardening progress monitoring system for mining cement filling slurry and a monitoring method thereof. The solidifying and hardening progress monitoring system for the mining cement filling slurry comprises a pressurizing and sample preparing mechanism, and a sample measuring mechanism, wherein the pressurizing and sample preparing mechanism is provided with a sample preparing die, a limiting die, a resistance increasing device and a connecting frame, and the sample measuring mechanism is provided with a needle type electrode, a guide line, a resistance collecting host computer, an anti-falling coupling plug and an electrode hole. Under the efficient matching between the pressurizing and sample preparing mechanism and the sample measuring mechanism, the system disclosed by the invention is used for continuously detecting the whole solidifying and hardening progress of the mining cement filling slurry in a real-time manner under the action of the certain top pressure so as to simulate the solidifying and hardening conditions of the mining cement filling slurry in a gob under the action of the overburden pressure and fulfill the purpose for accurately, efficiently and continuously monitoring the solidifying and hardening progress of the mining cement filling slurry in a lossless manner.

Description

technical field [0001] The invention belongs to the technical field of mine engineering, and relates to a monitoring system for the consolidation and hardening process of cemented filling slurry used in mines, and a method for applying the system. Background technique [0002] Mine cemented filling slurry is an artificial composite medium prepared by water, tailings or gangue matrix and cementitious material in a certain proportion. It is gradually condensed through hydration reaction, and finally consolidated and hardened to form a filling with a certain strength. body. The degree of hydration reaction between the cementitious material and the aggregate directly determines the macroscopic strength of the filling body. Monitoring the strength consolidation law during the consolidation process of the filling slurry will ultimately reduce the Mine filling costs are of great significance. At present, indoor penetration method and press are mainly used to measure its consolida...

Claims

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Application Information

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IPC IPC(8): G01N27/04
Inventor 徐文彬潘卫东张通
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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