What advatange of segmental drilling casing on foundation borehole piling

The rotary drilling rig with casing followed is using the power system of the hydraulic rigs to driving the segmental casing, using the rigs verticality display function to control the piles' verticality.

The advantages of the process could be understanded as below points:

1. There is no need for mud wall protection, which is in line with the concept of environmental protection and green construction;

2. To prevent accidents in the hole, it will not be buried due to the collapse of the hole;

3. Pile shape rules, quality improvement;

4. Make full use of the characteristics of undisturbed soil, which helps to improve the bearing capacity;

5. It can run deep casing, and the construction efficiency is high;

6. The verticality display of the rotary excavator can directly reflect the verticality of the casing;

7. Only need to configure the corresponding length of casing and corresponding accessories, no need to add expensive equipment.

8. The casing operation of the rotary excavator is simple and the failure rate is low