Self drilling rock bolting system is especially suitable for unstable ground conditions

According to the requirement of the design specification for railway roadbed structure, the anchor bar retaining wall can be applied to the normal area of rocky road, soil nailing wall can be used to the common area of soil and broken soft rock. In the underground water more developed area or loose slope soil, the […]

Self drilling anchor bolt design will make tremendous contribution to civil constructions

In recent years, the apartment demand in Carolina is always growing. According to the experts, the apartment construction in South Carolina, US will boom in 2018 and continue its upward trend over the next 13 years. A recent study even showed the need for 63,000 units throughout South Carolina by 2030. In the Charleston region, […]

Applicable strata and advantages of self drilling bolts

Generally speaking, the self drilling anchor bolt is applicable for the stratum which suitable for retaining wall and soil nail wall, and it also suitable for the stratum which suitable for prestressed anchor bolt. For the anchoring technology with drilling operation, drilling often becomes the most critical process, and directly affects the bearing capacity of […]

Technical measures for improving pulling force of self drilling rock bolt

1. Choose reasonable drilling technology 1) Drilling hole is strictly prohibited water, which should use high-pressure wind piercing, slag discharge, cooling operation; 2) For determine the diameter of drill bit, it’s should adopt drilling machine when drilling with self drilling rock bolt, check the verticality of the drill pipe, the anchor hole deflection, with footage […]

Safe soil nails from Sinorock ensure the quality of construction

The development of vertical and sub-vertical elements to standard soil nail system has increased the use and application of soil nail earth retention and slope stabilization. Advances in material such as fibre glass pipe which improves mechanical interaction with injected grout is used in the tunnel face. The use of double corrosion protection and durable […]

Application of self drilling anchor in building foundation

Self drilling anchor as a kind of simple, reliable, practical and efficient construction method. The micro pile technique is a reliable system that can bear large axial or lateral loads. And it has little interference on the the existing structure. The self drilling anchor bolt is used in the foundation engineering. When the self drilling […]