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2021-02-24

Present situation and development of tunnel rock drilling equipment in China

Drilling and blasting method are still one of the most commonly used in tunneling in China due to the advantages of economy, high efficiency and strong adaptability to geology.

2021-02-22

The Development Prospects of Hydraulic Rock Drill

Hydraulic rock drill has excellent performance and is easily matched with a variety of hydraulic equipment, which creates more opportunities for various non-blast hole construction.

2021-02-18

“Teeth of Industry” – Cemented Carbide

Cemented carbide refers to an alloy material made of refractory metal hard compound (mainly Tungsten Carbide) and bonding metal (mainly Cobalt) through powder metallurgy process.

2021-02-08

Reaming theory and effect of self-drilling hollow anchor bolt used as soil nail

Self-drilling hollow anchor bolt is widely used in the world, and its reaming effect makes the anchoring effect better.

2021-01-29

Market Overview of Top Hammer Rock Drilling Tools

Top hammer rock drilling tools can transmit intensive impact energy into the rock with the least possible loss of energy. It has the characteristics of good rock breaking effect, high penetration rates and high productivity.

2021-01-26

Application of self – drilling hollow grouting anchor bolt instead of advanced small conduit in conglomerate layer

The construction of self-drilling hollow grouting anchor bolt can improve the soil reinforcement effect, improve the water leakage phenomenon, and reduce the settlement.
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