Visualization Grouting Device for Coal Rock Fissures
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Solution Overview
Problem
Current grouting reinforcement engineering lacks scientific theoretical guidance due to the concealment of grouting processes, making it difficult to determine reasonable grouting parameters and schemes, leading to inefficient resource use and potential safety risks in roadway construction.
Innovation Solution
A visualization grouting simulation device for coal and rock fissures that includes a fissure grouting box body with adjustable inclination and a data acquisition system, allowing for the simulation and visualization of slurry diffusion under various geological and grouting conditions, enabling the study of grouting parameters and their effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If grouting reinforcement engineering is performed without visualization, then grouting parameters can be determined based on construction experience, but the development of grouting theory is far behind engineering practice and lacks scientific theoretical guidance
Solution Approach 1:
The patent uses fluorescent slurry mixed with UV fluorescent powder that glows under ultraviolet light, enabling visual tracking of slurry diffusion paths and ranges in fissures. This color change technique transforms the invisible grouting process into an observable phenomenon, providing scientific data for theory development while maintaining engineering reliability
Solution Approach 2:
The patent introduces an intermediary visualization system consisting of UV lighting and fluorescent markers that mediate between the slurry and observation equipment. This intermediary allows indirect observation of slurry diffusion without interfering with the grouting process, bridging the gap between engineering practice and theoretical research
2Reliability
If grouting parameters are designed conservatively to achieve ideal reinforcement effect, then safety is improved, but resources are wasted
Solution Approach 1:
The patent implements real-time feedback by continuously monitoring slurry diffusion ranges and pressures through visualization and pressure sensors. This feedback enables dynamic adjustment of grouting parameters during the process, optimizing the balance between reinforcement effect and material consumption by stopping grouting when diffusion targets are achieved
3Loss of substance
If grouting parameters are designed simply to save resources, then resource efficiency is improved, but ideal grouting effect is not achieved and security risks remain
Solution Approach 1:
The patent employs dynamic grouting parameter adjustment based on real-time visualization data. Grouting pressure, flow rate, and duration are continuously optimized according to observed slurry diffusion patterns, enabling resource-efficient grouting that achieves safety targets without excessive material consumption
4Adaptability or versatility
If fissure grouting is performed in deeply buried rock mass with complex fissure network, then grouting engineering can be applied to real scenarios, but the flow and diffusion of grouting slurry is extremely hidden and difficult to observe
Solution Approach 1:
The patent applies fluorescent markers to slurry, making it visible under UV light even in complex, deeply buried rock mass fissures. This color change technique overcomes the observation difficulty in real engineering scenarios while maintaining broad adaptability to various grouting applications
Solution Approach 2:
The patent adds a temporal dimension to observation by using time-lapse photography and video recording to capture slurry diffusion processes. This dimensional approach transforms hard-to-observe spatial diffusion into observable temporal progression, enabling measurement in complex real-world scenarios
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the intuitive observation and comparison of grouting diffusion forms under different conditions, improving the accuracy and rationality of grouting simulations by simulating tortuous pore channels and varying gas permeability, thus optimizing grouting effectiveness and safety.
Implementation Method 1
采用在紫外光照射下会发光的荧光材料作为示踪剂，将荧光材料掺入到灌浆料中，在灌浆过程中，利用紫外灯照射，通过摄像头拍摄照片或视频，即可观察到浆液在裂隙中的扩散路径和范围
Implementation Method 2
在盒体的上顶板上布置压力传感器，用于检测盒体内的压力变化
Data Source
AI summary
Disclosed are a visualization grouting device for coal and rock fissures and a test method, a test device including a visualization fissure grouting box body, a box body bracket, a grouting device and a monitoring device. A bottom plate is divided into four identical areas, rubber cushion blocks with different specifications are arranged to simulate different fissure widths and tortuosity, artificial protolith thin film is pasted inside, and a grouting hole and a plurality of pressure measuring holes are arranged in the center of the upper top plate. In the present disclosure, the grouting process of fissures under different grouting conditions, such as different fissure widths, roughness, grouting resistance and tortuosity of pore channels can be simulated, the grouting under different fissure conditions can be simultaneously simulated, and the differences of different grouting diffusion forms can be clearly and intuitively analyzed and compared through the visualization box body.