The analysis for application of rock foundation in mountain area;

Through analyzing and discussing some of tower rock foundations which is in common domestic are at present,according to surface features of poly-mountain and hill in Jiangxi,a new type rock foundation is designed and applied in connecting the Hubei to Jiangxi power network engineering of 500kV transmission line.

In connection with the characteristics of Yichang mountain area,the key method to reduce the cost and time of transmission lines construction and to make the operation convenient is applying large number of rock foundations.

The paper describes the normal problems occurred in rubble foundation.

The quality control of rubble foundation may be ensured from a key link of which are select material conscientiously and satisfy the needs of mortar plumpnessand soon,thus the reliability of fuilding is guaranteed.

It is presented that strip rubble foundation can be used under the door pillars when concrete door pillars are required by greater entrances on ground floor.

It was suggested that adopted high-alkalinity number sulpfric-alkyl-phenol-Ca as the main-dose OITA reducing-grinding-acids from Australia based on 500SN oil can make good quality high alkalinity number shipping cylinder oil from paraffin base oil through prescription sifting test.

The effects of increasing viscosity and depressing pour point of T803B in paraffin base oils withdifferent viscosity while matching with different Vlls were described.