Steel Arch Support, is a kind of arch structure made of steel sections (such as I-beam, channel steel, H-beam, etc.), which is used to support and reinforce the surrounding rock or soil body. This typ

The hydraulic support worker must be familiar with the performance, structure, principle and hydraulic control system of the hydraulic support, master this operating procedure, be able to maintain the

Practical significance of steel support for mine roadway Support Arch

The U-shaped steel arch support is a kind of steel with a cross-sectional shape like the English letter "U". The cross-sectional shape, geometric parameters and material of U-shaped tunnel roof suppor

Main uses and advantages of U-shaped Steel Arch Support—— U-shaped steel support is a kind of passive support srch for coal mine support. It has high tensile strength and compressive strength, and has

The hydraulic support worker must be familiar with the performance, structure, principle and hydraulic control system of the hydraulic support, familiar with the basic operation and hydraulic knowled