Explicit dynamics based numerical simulation approach for assessment of impact of relief hole on blast induced deformation pattern in an underground face blast

VK Himanshu, AK Mishra, AK Vishwakarma… - … and Geophysics for Geo …, 2022 - Springer
The exploitation of geo-resources is dominantly done using drilling and blasting. The
breakage of rock mass by blasting has many challenges. The optimal breakage in an …

Evaluation of optimum burden for the excavation of narrow vein ore deposits using numerical simulation

AK Vishwakarma, VK Himanshu, K Dey - Rock Mechanics and Rock …, 2024 - Springer
Burden is one of the major influencing blast design parameters which should be optimised
for the extraction of narrow vein ore bodies. Numerical simulation-based approach has been …

Determination of optimal burden for ringhole blasting in underground hard rock mining under varying geotechnical properties

AK Vishwakarma, VK Himanshu, K Dey - Rock Mechanics and Rock …, 2024 - Springer
Burden is one of the most important parameter which plays an immense role in rock
breakage using explosive energy. It is very difficult to select the optimum burden under …

Assessment of blasting impacts in underwater concrete berth demolition and development of a Hybrid Controlled Blasting (HCB) technique–A case study

SK Modi, V Murthy - Structures, 2022 - Elsevier
Expansion of seaports often necessitates demolition of old berths near newly constructed
berths. The 'Underwater drilling and blasting'technique is generally preferred for demolition …

Empirical relation to evaluate blast induced crack development zone while using explosives of different detonation pressure in opencast bench blasting

S Kumar, AK Mishra, VK Himanshu, AK Vishwakarma… - Heliyon, 2024 - cell.com
The optimum utilisation of explosive energy in the rock blasting operation is a prime
challenge for the blast designers. The explosive energy in this operation is used for …

Accurate Prediction and Modeling of Overbreak Phenomenon in Tunnel Excavation Using Rock Engineering System Method

H Fattahi, H Ghaedi - International Journal of Geomechanics, 2024 - ascelibrary.org
According to various human needs, such as mineral supply, transportation, and
underground storage, tunnel excavation has become commonplace today. However, one of …

[图书][B] Blasting Technology for Underground Hard Rock Mining

VK Himanshu, AK Mishra, MP Roy, PK Singh - 2023 - Springer
The mineral industries have shown a significant shift from openpit to underground method of
mining due to extinction of shallow depth ore deposits. The openpit mining is preferred for …

Drivage excavation using drilling and blasting

VK Himanshu, AK Mishra, MP Roy… - Blasting Technology for …, 2023 - Springer
The drivage excavation in underground mine is done to make the access to the orebody.
The excavation is dominantly performed using drilling and blasting. The burn-cut blasting …

Challenges and Way Forward

VK Himanshu, AK Mishra, MP Roy… - Blasting Technology for …, 2023 - Springer
Underground blasting for hard rock mining consists of three main stages as drivage
development, slot raise excavation and production ring excavation. The nature of challenges …

[图书][B] Principles and Practices of Rock Blasting

VK Himanshu, NK Bhagat, AK Vishwakarma… - 2024 - books.google.com
This book enriches the readers with the advances in rock blasting techniques for mining and
civil construction rock excavation projects, including the need for and importance of rock …