The Discussion of Rock & Soil Parameter of Bored Pile

The ultimate shaft friction and end resistance of rock & soil are very important to the calculation of vertical bearing capacity of bored pile, and related to the engineering safty and economy. Therefore, in the design of bored pile, the designer should not only obey the code of Specifications for Design of Ground and Foundation of Highway Bridges and Culverts, but also take the geological age, the geotechnical conditions and other else factors into consideration.