Shelincuo and Bangecuo extensional lake basins in the northern pa rt of Tibet and present chasmic activities;

In this paper the stress intensity factor of a semi infinite moving crack under the concentrated force is derived.

By applying the theory of complex function and the principle of strain energy,the present paper obtains an asymptotic expansions for the fields of thetip of a Ⅲ-mode curved moving crack.

In this paper the anti-plane moving crack in non-homogeneous elastic materials is studied by an analytical method.

Changling fault depression is continental basin of volcanic-sedimentary rock,fault movement is key factor controling volcanic activity and plane distribution of volcanic rock.