Problems and countermeasures of deep pile construction 1, construction efficiency is low, the main reason is to lift down the drilling tool takes up too much time, the efficiency of the drill pipe to transfer the drilling pressure is low.Countermeasures: (1) raise the length of the drill bit, so tha Read More

------------------------- 1 ------------------------- Wire rope uncoiling as well as installation, the correct method should be used to prevent wire rope kinking. Also pay attention not to make the surface of the wire rope stained with sand, so as not to exacerbate the wear and tear, affecting the s Read More