Deep mine ground pressure intensity is high, under the condition of mining influence and impact ground pressure and strata control is especially difficult, thus support system is more and more strengthened, such as the need to reduce the frame from u-shape set, strengthen the link rod, and even to use U36 steel;spray the anchor net supporting China Steel Support for Tunnel, U Shape 29 Steel Support Steel Support For Tunnel, U Shape 29 Steel Support for Mining, Steel Arch Support Introduction Of 20 Mnk U-Shaped Steel For Tunnel And Mine Supporting U-shaped steel support is a cross-sectional shape like the English letter "U" steel. States produced sectional shape of U-shaped, etc. geometric parameters and material vary.
With the effects of high geostress and intensive dynamic disturbances in deep mining, the stability and safety of tunnels are seriously affected. The optimization for U-shaped steel support is of vital significance and can solve the problems of cost reduction and tunnel instability. Based on the perturbation equation, a coupled formula for U-shaped steel and the surrounding rock mass was steel arches mining, steel arches mining Suppliers and offers 3,015 steel arches mining products. A wide variety of steel arches mining options are available to you, such as pressure treated wood type, feature, and metal type.d u shape steel stents mining-ASTM A36 Mild/Low Carbon The stent is made of 0.018 × 0.025 in. stainless steel archwire which consists of a u loop angulated at 20 . China 25 U Shaped Support Mining Tunnel Steel Support U-shaped steel support is a cross-sectional shape like the English letter "U" steel. States produced sectional shape of U-shaped, etc. geometric parameters and material vary.