To the roots mechanical function, 2 calculation formula models, the shearing strength and anti-splitting strength model,were developed in the condition of surface soil reinforced with herb-root and slope anchored with taproot model.

Lower-bound method for limit analysis of anchorage depth of sliding resistant piles;

Determination of the anchorage depth of rigid anti-slide piles based on strength reduction method;

Reliability design of anchoring depth for friction piles;

The reliability analysis about the anchoring depth of a friction pile;

On effect of variability of parameters on anchoring depth reliability of anti-sliding pile;