Research progress and future prospective of soundless chemical demolition agents (SCDAs) and associated applications

Z Zhong, P Tao, H Zhang, H **, R Lou, Y Cui… - … and Building Materials, 2023‏ - Elsevier
Rapid urbanizations impose increasing challenges on safety decompositions of those
buildings that reached service life, so there is an urgent call for eco-friendly demolition …

Evaluating the application of rock breakage without explosives in underground construction—a critical review of chemical demolition agents

KM Habib, S Shnorhokian, H Mitri - Minerals, 2022‏ - mdpi.com
The method of drilling and blasting with explosives is widely used in rock fragmentation
applications in underground construction projects, such as tunnels and caverns. However …

Investigation on the key techniques and application of the new-generation automatically formed roadway without coal pillars by roof cutting

Q Zhang, M He, S Guo, J Qi, J Yang, C Wang… - International Journal of …, 2022‏ - Elsevier
The first-generation automatically formed roadway without coal pillars by roof cutting
(AFRCPRC) technology has achieved significant technical and economic benefits in the …

Ground response mechanism of entries and control methods induced by hard roof in longwall top coal caving panel

H Wang, J Wang, D Elmo, M He, Z Ma, C Gao - Engineering Failure …, 2023‏ - Elsevier
This paper presents an integrated approach for theoretical analysis and numerical modeling
to investigate the ground response mechanism of entries and control methods induced by …

A quantitative investigation on the fragmentation performance of SCDA in cracking steel fiber reinforced concrete

Z Zhong, P Tao, H **, R Lou, Y Cui, J Liu - Construction and Building …, 2023‏ - Elsevier
A better application of Soundless Chemical Demolition Agents (SCDAs) in fragmentation is
based on our knowledge on their expansive characteristics. In this study, an integration of …

Numerical investigation on rock fracture induced by a new directional rock-breaking technology

S Guo, Q Zhang, M He, J Wang, J Liu, C Ming… - Engineering Fracture …, 2022‏ - Elsevier
Instantaneous expansion with a single fracture (IESF) is a new type of nonexplosive
directional rock-breaking technology, which uses expansion gas induced by special slitting …

[HTML][HTML] Investigation of a non-explosive directional roof cutting technology for self-formed roadway

Q Zhang, M He, J Wang, S Guo, C Zhu, Z Tao… - International Journal of …, 2022‏ - Elsevier
Traditional explosives have characteristics of high risk, large vibration, and poor directional
fracturing. Consequently, an instantaneous expander with a single crack surface (IESCS) …

Excavation compensation theory and supplementary technology system for large deformation disasters

M He, Q Sui, Z Tao - Deep Underground Science and …, 2023‏ - Wiley Online Library
Given the challenges in managing large deformation disasters in energy engineering, traffic
tunnel engineering, and slope engineering, the excavation compensation theory has been …

Investigation on directional failure mechanism of tunnel peripheral holes induced by instantaneous expansion

S Guo, Q Zhang, Z Lv, M He, S Jeon, Z Tao, Y Ji… - Engineering Failure …, 2023‏ - Elsevier
Due to the detrimental effects of detonation waves on the stability of surrounding rock, non-
explosive excavation techniques for tunnel peripheral holes have been developed. One …

Crack propagation behavior and damage extent of rock mass under instantaneous expansion in borehole

S Guo, Q Zhang, M He, S Jeon, Y Gao… - Rock Mechanics and Rock …, 2024‏ - Springer
Roof-cutting blasting by explosives involves certain operational risks and is prone to cause
damage to surrounding rock. Accordingly, a new non-explosive directional rock-breaking …