Drilling and blasting is still the most widely used method for tunnel excavation in hard rocks.
However, this method causes damage to adjacent buildings and structures mainly because …

Drilling and blasting method have been widely used for driving tunnels in hard rock. When
designing a blast operation especially in case of long tunnels, the primary objective of …

Drilling and blasting (D&B) has long been an essential technique in rock excavation,
particularly in drift mining, where it is frequently employed due to its high efficiency. As …

By integrating an established rock damage model into the LS-DYNA computer code and
using a widely used method for equivalently simulating multiple blastholes detonation, the …

The technique of multi-long-hole blasting with large empty holes has been used in practice
to break rock mass. However, the damage mechanism of rock mass surrounded by empty …

In order to address the issue of limited excavation footage in the drilling and blasting of a
water diversion tunnel with a cross-section of approximately 10 m2, which is unable to meet …

Based on a series of cyclic impact and uniaxial compression tests, this study investigates the
effects of prior dynamic damage on the mechanical behavior of granite specimens and their …

Ground vibration is a major concern during tunnel blasting operations, and its control plays
an important role in minimizing the undesirable environmental impacts of the blasting. This …

Ground vibration is one of the effects of the blasting process; when the ground vibration
reaches the highest level, it will disturb comfort and even cause damage to the surrounding …

Achieving smooth and efficient blasting of tunnel walls is a challenging task. Tunneling
performance and advancement can best be performed with proper and effective blasting …