Rotary pile construction quality control points1、Construction quality quality pre-control(1) Piling machine performance check. After the pile set is installed, the construction unit should be urged to check the main performance of the pile machine. Read More

When a new item is born, the value it brings will conflict with the items with similar value, and the generation of this conflict will bring the comparison of advantages and disadvantages, and finally let people have choices from this comparison. In piling machinery, rotary drilling rig has been wid Read More

At present, rotary drilling rig has become one of the mainstream construction machinery of bored pile because of its advanced technology, rapid and stable hole formation. Due to the various engineering geological conditions in different places, different engineering designs are unlikely to be comp Read More

When drilling in karst cave area, the mud is easy to leak, and the mud elevation in the hole suddenly drops, which will lead to the failure of the wall protection in the hole and lead to the accident of hole collapse. The filling material in the cave is loose and has collapsed. If the volume of th Read More