Changes in the structure and mechanical properties of a typical coal induced by water immersion

T Ai, S Wu, R Zhang, M Gao, J Zhou, J **e… - International Journal of …, 2021 - Elsevier
Understanding fundamental aspects of the effects of water on both the mesostructure and
mechanical characteristics of coal and coal-water interactions is important for increasing the …

Mechanical degradation model of porous coal with water intrusion

H Song, Z Zhong, B Lin - Energy, 2023 - Elsevier
To study the mechanical degradation of deep coal seam due to geothermal and
groundwater effects, a nonlinear constitutive model of porous coal in humid environments …

Petrophysical properties and durability of granites employed as building stone: a comprehensive evaluation

LMO Sousa - Bulletin of Engineering Geology and the Environment, 2014 - Springer
The use of a rock as a building stone is conditioned by several factors, from its aesthetic
characteristics to its petrophysical properties. Even though the latter are taken into …

Evaluation of building and dimension stone using physico-mechanical and petrographic properties: a case study from the Kohistan and Ladakh batholith, Northern …

I Ahmed, M Basharat, L Sousa, MS Mughal - Environmental Earth …, 2021 - Springer
This study evaluates the geotechnical characteristics of granite from the Kohistan and
Ladakh batholiths of Gilgit and surrounding areas (Pakistan). For this purpose, 27 rock …

Building stone evaluation—A case study of the sub-Himalayas, Muzaffarabad region, Azad Kashmir, Pakistan

S Mustafa, MA Khan, MR Khan, LMO Sousa… - Engineering …, 2016 - Elsevier
Building stone is one of the oldest material used in construction. The present study
evaluated the physical and mechanical characteristics of dolomite, limestone and sandstone …

Petrography and Geochemistry of Gahirat Marble in Relation to Geotechnical Investigation: Implications for Dimension Stone, Chitral, Northwest Pakistan

SAA Bukhari, M Basharat, HT Janjuhah, MS Mughal… - Applied Sciences, 2023 - mdpi.com
The modernization of human civilization has led to the prospect of better and more durable
building materials. Marble, found in various colors and textures, has been used as a building …

[書籍][B] Computational fluid dynamics modeling of underground coal longwall gob ventilation systems using a developed meshing approach

RC Gilmore - 2015 - search.proquest.com
Mining accidents related to ventilation problems that often occur deep within a mine are
costly events in terms of production loss, equipment loss, public relations, and ultimately, the …

Mechanical Properties of Bump‐Prone Coal with Different Porosities and Its Acoustic Emission‐Charge Induction Characteristics under Uniaxial Compression

X Ding, X **ao, X Lv, D Wu, J Xu - Advances in Civil …, 2019 - Wiley Online Library
Discreteness of mechanical property affected by the intimal damage, which emerged with
various degrees of material composition and geological structure, is the difference in …

[PDF][PDF] Work practices to manage bump prone ground

F Varley, J Whyatt - Proceedings of the 27th international conference on …, 2008 - cdc.gov
In deep and highly-stressed coal mining, advanced design practices are used to minimize
the potential for damaging events to occur. Despite these design efforts, the hazard of coal …

Measurement of hydraulic fracture growth in a naturally fractured orebody for application to preconditioning

RG Jeffrey, A Van As, X Zhang… - … : Proceedings of the …, 2010 - papers.acg.uwa.edu.au
Hydraulic fracturing is applied for the preconditioning of orebodies prior to cave mining. A
major project at Northparkes Mines was carried out in 2006 to investigate hydraulic fracture …