The construction of bored pile is mostly carried out in quaternary loose strata, so collapse is the most common accident in the construction of bored pile1. Signs before an accidentSlump hole and shrinkage hole occur in drilling construction, generally speaking, it does not happen suddenly. There we Read More

As a large mechanical equipment, rotary drilling rig is widely used in geological exploration and infrastructure construction. Due to its complex working environment and large equipment volume, special attention must be paid to safety when operating rotary drilling RIGS. The following are the safety Read More

With the continuous improvement of global environmental awareness and the increasing tension of energy resources, the construction engineering industry is also actively promoting the green development of equipment. Traditional rotary drilling RIGS often have problems of high fuel consumption and low Read More