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04
2025
-
07
Precautions for installation of initial support steel mesh in tunnels
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1、 Preparation work before laying
Before laying the initial steel mesh in the tunnel, a series of preparatory work needs to be carried out, including cleaning the garbage inside the tunnel, conducting foundation treatment, and laying a waterproof layer. At the same time, it is necessary to inspect the steel mesh to ensure that there are no quality issues.
2、 Techniques for laying steel mesh
When laying the initial support steel mesh in the tunnel, the following techniques should be noted:
1. The steel mesh should be tightly attached to the top and side walls of the tunnel, and there should be no looseness.
2. The laying of steel mesh should avoid overlapping or misalignment as much as possible to ensure the uniformity and consistency of the laying effect.
3. Professional tools such as steel wire ropes and ladders are required for laying to ensure safety and efficiency.
3、 Pay attention to safety issues
During the installation of the initial support steel mesh in the tunnel, special attention should be paid to safety issues. When conducting high-altitude operations, it is necessary to ensure the effectiveness and correct use of equipment such as safety belts and safety ropes for workers.
4、 Acceptance and maintenance
After the laying of the initial support steel mesh in the tunnel is completed, acceptance and maintenance work need to be carried out. Among them, the acceptance should focus on the tightness, flatness, and waterproof performance of the steel mesh. At the same time, regular maintenance and inspection are required during use to ensure the service life and effectiveness of the steel mesh.
In short, as an important tunnel support material, the installation process of initial support steel mesh in tunnels needs to be strictly carried out in accordance with relevant regulations, while also paying attention to safety issues and maintenance work. I hope this article can provide valuable information and assistance to readers.
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