The temperature is high in summer, and the rotary drilling rig is operating in such an environment, and the components face many tests. Good maintenance work can ensure the stable operation of the rig and extend the service life. The following introduces the key points of summer maintenance of rotar Read More

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

With the rapid urbanization, the demand for urban construction, infrastructure, and underground engineering projects has increased significantly. The rotary drilling rig, as an efficient foundation construction machine, is widely used in pile foundation construction, deep pit excavation, and other p Read More