A shape hardening function is developed that improves the predictive capabilities of the generalized bounding surface model for cohesive soils, especially when
This is a review paper on the performances of both conventional and energy-absorbing rockbolts manifested in laboratory tests. Characteristic parameters such as
The new Austrian tunneling method(NATM) is widely applied in design and construction of underground engineering projects. When the type and distribution of unfavorable geological bodies(UGBs)associate