Based on the Coulomb′s law,the lateral friction of prefabricated concrete piles is computed by adopting effective stress and cohesive shear strength.

Research on Andai Ritual in Kulun Area;

Taking Balin Right Banner of Inner Mongolia as an example,the author detailedly analysed several kinds of methods that chiefly adopted in the desertification prevention and control at present of northern semiarid grasslands in China,such as enclosure to prevent grazing,emigrant or immigrant for ecology,raising in enclosure and the small grass enclosed pasture.

Simple talk about the application of Coulomb Theory in construction;