Search Results - "Ranjith, P G"

Water-weakening behavior of Hawkesbury sandstone in brittle regime by Wasantha, P.L.P., Ranjith, P.G.

“…This paper investigates the effect of water on the mechanical behavior of intact Hawkesbury sandstone, a massive rock formation in Sydney, Australia. Two sets…”
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A new method of rock type identification based on transformer by utilizing acoustic emission by Wang, Tingting, Qin, Yifan, P G, Ranjith, Zhao, Wanchun, Jiang, Jingyi, Xu, Huayi, Du, Xuetong

“…The characterization and analysis of rock types based on acoustic emission (AE) signals have long been focal points in earth science research. However,…”
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Transformation plasticity and the effect of temperature on the mechanical behaviour of Hawkesbury sandstone at atmospheric pressure by P. G., Ranjith, Viete, Daniel R., Chen, Bai Jie, Perera, M. Samintha A.

“…Uniaxial Compressive Strength (UCS) testing of Hawkesbury sandstone was carried out at various temperatures between 25 and 950°C to explore the mechanical…”
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Effects of effective stress changes on permeability of latrobe valley brown coal by Jasinge, D., Ranjith, P.G., Choi, S.K.

“…One of the key issues with geological sequestration of carbon dioxide in coal seams is change of permeability caused by carbon dioxide (CO2) injection, and…”
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Failure Characteristics of Granite Influenced by Sample Height-to-Width Ratios and Intermediate Principal Stress Under True-Triaxial Unloading Conditions by Li, Xibing, Feng, Fan, Li, Diyuan, Du, Kun, Ranjith, P. G., Rostami, Jamal

“…The failure modes and peak unloading strength of a typical hard rock, Miluo granite, with particular attention to the sample height-to-width ratio (between 2…”
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The use of coal combustion fly ash as a soil amendment in agricultural lands (with comments on its potential to improve food security and sequester carbon) by Ukwattage, N.L., Ranjith, P.G., Bouazza, M.

“…► Range of physico chemical properties of coal combustion fly ash. ► How fly ash can contribute in atmospheric carbon capture and storage in soils. ► How fly…”
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Experimental investigation of geochemical and mineralogical effects of CO2 sequestration on flow characteristics of reservoir rock in deep saline aquifers by Rathnaweera, T. D., Ranjith, P. G., Perera, M. S. A.

“…Interactions between injected CO 2 , brine and rock during CO 2 sequestration in deep saline aquifers alter their natural hydro-mechanical properties,…”
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CO2 permeability of Indian bituminous coals: Implications for carbon sequestration by Vishal, V., Ranjith, P.G., Singh, T.N.

“…The permeability of coal is one of the most critical parameters in estimating the performance of coal seams as methane reservoirs or carbon dioxide sinks. The…”
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Effect of cooling rate on the mechanical behavior of heated Strathbogie granite with different grain sizes by Shao, Shishi, Wasantha, P.L.P., Ranjith, P.G., Chen, B.K.

“…•Water quenching has more influence on granite rocks with larger grain size.•Slowly-cooled rock specimens have longer stable crack propagation regions than…”
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Thermal conductivity of soils and rocks from the Melbourne (Australia) region by Barry-Macaulay, D., Bouazza, A., Singh, R.M., Wang, B., Ranjith, P.G.

“…The thermal conductivity of soils and rocks is an important property for the design of thermally active ground structures such as geothermal energy foundations…”
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Effects of saturation medium and pressure on strength parameters of Latrobe Valley brown coal: Carbon dioxide, water and nitrogen saturations by Perera, M.S.A., Ranjith, P.G., Peter, M.

“…Adsorption of carbon dioxide (CO 2) into coal matrix causes significant change in its chemical and physical structure, resulting in negligible permeability…”
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Investigation of temperature effect on permeability of naturally fractured black coal for carbon dioxide movement: An experimental and numerical study by Perera, M.S.A., Ranjith, P.G., Choi, S.K., Airey, D.

“…► Effect of temperature on permeability of naturally fractured coal. ► Triaxial test for experiments and COMET 3 software for numerical simulation. ► CO2…”
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Iron ore and steel production trends and material flows in the world: Is this really sustainable? by Yellishetty, Mohan, Ranjith, P.G., Tharumarajah, A.

“…Material flow analysis is an analysis of the flow of a material into and out of a particular region. The flow analysis also includes estimation of energy…”
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Effects of gaseous and super-critical carbon dioxide saturation on the mechanical properties of bituminous coal from the Southern Sydney Basin by Perera, M.S.A., Ranjith, P.G., Viete, D.R.

“…•We explore the effect of CO2 saturation on mechanical behavior of bituminous coal.•Properties considered: uniaxial compressive strength (UCS) and Young’s…”
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Strength of geopolymer cured in saline water in ambient conditions by GIASUDDIN, Haider M, SANJAYAN, Jay G, RANJITH, P. G

“…Results of geopolymer cement tests in saline water curing are reported. Saline water exposed curing is relevant to wellbore cements used for geo-sequestration…”
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Permeability of sub-critical carbon dioxide in naturally fractured Indian bituminous coal at a range of down-hole stress conditions by Vishal, V., Ranjith, P.G., Pradhan, S.P., Singh, T.N.

“…Understanding reservoir dynamics from a geotechnical and petrophysical perspective is essential for safe and steady fluid extraction, transport or injection in…”
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A comparative study of generalized regression neural network approach and adaptive neuro-fuzzy inference systems for prediction of unconfined compressive strength of rocks by Singh, Rajesh, Vishal, V., Singh, T. N., Ranjith, P. G.

“…The engineering properties of rocks play a significant role in planning and designing of mining and civil engineering projects. A laboratory database of…”
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Nonlinear single-phase flow in real rock joints by Ranjith, P. G., Darlington, W.

“…Laboratory analysis of single‐phase water and airflow through a real rock joint under increasing confining pressure was carried out in order to assess the…”
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A study of methodologies for CO2 storage capacity estimation of saline aquifers by De Silva, P.N.K., Ranjith, P.G.

“…► Characteristics of CO2 storage capacity estimation in saline aquifers are discussed. ► Effects of in situ properties on CO2 storage capacity are explained. ►…”
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The effects of sub-critical and super-critical carbon dioxide adsorption-induced coal matrix swelling on the permeability of naturally fractured black coal by Perera, M.S.A., Ranjith, P.G., Choi, S.K., Airey, D.

“…Swelling of the coal matrix with the adsorption of CO 2 is one of the leading problems for CO 2 sequestration in deep coal seams as it causes coal seam…”
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