Two-dimensional visual grouting experiment box and use method

Abstract

The invention discloses a two-dimensional visual grouting experiment box and a use method, and aims to accurately grasp the diffusion rule and the flowing property of filling slurry between broken roofs or caving gangues and facilitate people to research the filling performance, the grouting effect and other contents of the filling slurry. The two-dimensional visual grouting experiment box mainly comprises a transparent acrylic plate, fixed channel steel, screws and the like. Six transparent acrylic plates are fastened into a box body through components such as a groove structure, fixing channel steel and screws, a grouting hole is drilled in the center of a front plate of the box body, and concentric circles are drawn with the grouting hole as the center and used for observing the diffusion radius, path and effect of filling slurry. The two-dimensional visual grouting experiment box is convenient to operate, simple and easy to implement and small in size, a large amount of cost is saved, blindness and uncertainty risks of on-site grouting and filling are reduced, and scientific research and verification can be facilitated.

Description

technical field [0001] The invention belongs to the technical field of green mining in the coal industry, in particular to the field of a coal mine grouting filling experimental device. Background technique [0002] In the process of coal mine mining or excavation, the geological conditions of broken roof are often encountered. The general solution is to use grouting reinforcement technology to strengthen the broken roof zone by grouting the broken zone of the roof. In underground gangue solid filling gobside entry retaining project or goaf overlying rock caving area grouting filling project, the grouting pipeline is often used to grout the gangue filling roadside body or the collapsing gangue in the caving area Reinforces, fills the gaps between filler materials. Whether it is the grouting reinforcement of the broken roof in the coal mine production process, or the grouting filling reinforcement of the support body and the filling material in the caving area of ​​the under...

AI Technical Summary

Problems solved by technology

Whether it is the grouting reinforcement of the broken roof in the coal mine production process, or the grouting filling reinforcement of the support body and the filling material in the caving area of ​​the underground roadway, the diffusion law and flow characteristics of the grout between the broken roof and the filling material It is often not visible to the naked eye, so it is impossible to accurately grasp whether the gap between the broken roof and the filling material is filled with filling slurry, which is not conducive to studying the filling performance of the filling slurry.

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