Sinorock self drilling rock anchor is a important element for support

28/giu/2017 04:16:14 sinorockzqq Contatta l'autore

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Rock bolt is the most widely used support element in support systems in underground mines and civil tunnels. Rockb olting design is indeed mainly based on experience and it appears that rock bolting design is simply a business of selection of rockbolt types and the determination of bolt length and spacing, but, one essentially uses, either explicitly or implicitly, a methodology in a specific rock bolting design.

Rock burst is an instability issue in overstressed hard and strong rock. The goal of rock support in such conditions is to absorb the kinetic energy of the ejected rock. Energy-absorbing rock bolts should be used in burst prone rock masses. The higher the load-bearing capacity of the energy absorbing rock bolt is, the less the ejected rock displaces.

Various sizes of self drilling rock bolts from Sinorock can provided for you,Sinorock self drilling rock anchors are often used for excavation support, or as a part of permanent retaining walls, or to resist up-lift forces on foundations. Sinorock uses rock anchors to stabilize slopes and walls, provide tiebacks for bridges, stabilize dams, and secure caisson bottoms.

Sinorock Self drilling rock anchor system’s inclination should be 15°~25° horizontal downward, no large than 45°. With increase of inclination, horizontal component of self drilling anchor system decreases. Too large inclination will reduce anchoring effect and increase vertical component on supporting structure, which will also cause settlement of retaining structure and surrounding foundation. To use self drilling anchor system’s pulling resistance effectively, self drilling anchor system should parallel with direction of side pressure effect.

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