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Pathegama Gamage Ranjith

Pathegama Gamage Ranjith

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Engineering and Technology
Australia
2026

D-Index & Metrics

Engineering and Technology

D-Index
104
Citations
33524
World Ranking
122
National Ranking
10

Earth Science

D-Index
102
Citations
32543
World Ranking
120
National Ranking
12

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in Australia Leader Award

Overview

What is he best known for?

The fields of study he is best known for:

  • Composite material
  • Thermodynamics
  • Geotechnical engineering

His primary scientific interests are in Geotechnical engineering, Coal, Composite material, Acoustic emission and Compressive strength. His work carried out in the field of Geotechnical engineering brings together such families of science as Brittleness, Ultimate tensile strength, Stress and Elastic modulus. His research in Coal intersects with topics in Carbon sequestration and Permeability.

His Permeability research incorporates elements of Porosity and Overburden pressure. His studies in Acoustic emission integrate themes in fields like Ultimate failure, Moisture, Shear, Strain rate and Crack closure. His work deals with themes such as Cementitious, Mineralogy and Dissipation, which intersect with Compressive strength.

His most cited work include:

  • A review of studies on CO2 sequestration and caprock integrity (263 citations)
  • An experimental investigation on thermal damage and failure mechanical behavior of granite after exposure to different high temperature treatments (191 citations)
  • An experimental investigation on thermal damage and failure mechanical behavior of granite after exposure to different high temperature treatments (191 citations)

What are the main themes of his work throughout his whole career to date?

Pathegama Gamage Ranjith focuses on Geotechnical engineering, Composite material, Coal, Permeability and Coal mining. His research integrates issues of Shear, Stress and Elastic modulus in his study of Geotechnical engineering. He interconnects Carbon sequestration and Petroleum engineering in the investigation of issues within Coal.

Within one scientific family, Pathegama Gamage Ranjith focuses on topics pertaining to Petroleum reservoir under Permeability, and may sometimes address concerns connected to Aquifer. His Coal mining study combines topics in areas such as Chemical engineering and Supercritical fluid. His research in Compressive strength intersects with topics in Mineralogy and Cement.

He most often published in these fields:

  • Geotechnical engineering (31.94%)
  • Composite material (24.63%)
  • Coal (21.50%)

What were the highlights of his more recent work (between 2018-2021)?

  • Composite material (24.63%)
  • Coal (21.50%)
  • Permeability (21.92%)

In recent papers he was focusing on the following fields of study:

His primary areas of study are Composite material, Coal, Permeability, Coal mining and Petroleum engineering. His work in Composite material tackles topics such as Rock mass classification which are related to areas like Joint angle and Cracking. His Coal research is multidisciplinary, incorporating elements of Chemical engineering and Supercritical fluid.

His research on Permeability also deals with topics like

  • Overburden pressure which connect with Supercritical carbon dioxide and Effective stress,
  • Porosity, which have a strong connection to Soil science. His Petroleum engineering research is multidisciplinary, relying on both Carbon sequestration and Fracture. Pathegama Gamage Ranjith studied Brittleness and Oil shale that intersect with Mineralogy.

Between 2018 and 2021, his most popular works were:

  • Effects of thermal treatment on physico-morphological properties of Indian fine-grained sandstone (36 citations)
  • Petrological and ultrasonic velocity changes of coals caused by thermal cycling of liquid carbon dioxide in coalbed methane recovery (26 citations)
  • Effect of coal maturity on CO2-based hydraulic fracturing process in coal seam gas reservoirs (25 citations)

In his most recent research, the most cited papers focused on:

  • Composite material
  • Thermodynamics
  • Mechanical engineering

His main research concerns Coal, Composite material, Coal mining, Bituminous coal and Supercritical fluid. The Coal study combines topics in areas such as Fracture mechanics, Compressive strength, Chemical engineering and Overburden pressure. As a part of the same scientific family, he mostly works in the field of Overburden pressure, focusing on Unconventional oil and, on occasion, Primary energy, Electricity generation and Geotechnical engineering.

His study on Composite material is mostly dedicated to connecting different topics, such as Rock engineering. Pathegama Gamage Ranjith has researched Coal mining in several fields, including Permeability, Petroleum engineering, Porous medium, Moisture and Borehole. In his study, Mineralogy is inextricably linked to Hydraulic fracturing, which falls within the broad field of Permeability.

Best Publications

  • A review of studies on CO2 sequestration and caprock integrity

    Richa Shukla;Pathegama Ranjith;Asadul Haque;Xavier Choi

  • An experimental investigation on thermal damage and failure mechanical behavior of granite after exposure to different high temperature treatments

    Sheng Qi Yang;P. G. Ranjith;P. G. Ranjith;Hong Wen Jing;Wen Ling Tian

  • Opportunities and Challenges in Deep Mining: A Brief Review

    Pathegama G. Ranjith;Jian Zhao;Minghe Ju;Radhika V.S. De Silva

  • The brittleness indices used in rock mechanics and their application in shale hydraulic fracturing: A review

    Decheng Zhang;P.G. Ranjith;M.S.A. Perera

  • Transformation plasticity and the effect of temperature on the mechanical behaviour of Hawkesbury sandstone at atmospheric pressure

    P G Ranjith;Daniel R. Viete;Bai Jie Chen;M. Samintha A. Perera

  • Geochemical aspects of CO2 sequestration in deep saline aquifers: A review

    G.P.D. De Silva;P.G. Ranjith;M.S.A. Perera

  • Temperature-dependent mechanical behaviour of Australian Strathbogie granite with different cooling treatments

    W.G.P. Kumari;P.G. Ranjith;M.S.A. Perera;M.S.A. Perera;B.K. Chen

  • Energy evolution characteristics of hard rock during triaxial failure with different loading and unloading paths

    Diyuan Li;Zhi Sun;Tao Xie;Xibing Li

  • Experimental and numerical studies on the mechanical behaviour of Australian Strathbogie granite at high temperatures: An application to geothermal energy

    Shishi Shao;P.G. Ranjith;P.L.P. Wasantha;B.K. Chen

  • Hydraulic fracturing under high temperature and pressure conditions with micro CT applications: Geothermal energy from hot dry rocks

    W.G.P. Kumari;P.G. Ranjith;M.S.A. Perera;M.S.A. Perera;X. Li

  • The effect of CO2 on the geomechanical and permeability behaviour of brown coal: Implications for coal seam CO2 sequestration

    Daniel R Viete;Pathegama Gamage Ranjith

  • Effects of effective stress changes on permeability of latrobe valley brown coal

    D. Jasinge;P.G. Ranjith;S.K. Choi

  • Fracture analysis of marble specimens with a hole under uniaxial compression by digital image correlation

    Diyuan Li;Quanqi Zhu;Zilong Zhou;Xibing Li

  • Environmental life-cycle comparisons of steel production and recycling: Sustainability issues, problems and prospects

    Mohan Yellishetty;Mohan Yellishetty;Gavin M. Mudd;P.G. Ranjith;A. Tharumarajah

  • Iron ore and steel production trends and material flows in the world: Is this really sustainable?

    Mohan Yellishetty;P.G. Ranjith;A. Tharumarajah

  • Mechanical behaviour of Australian Strathbogie granite under in-situ stress and temperature conditions: An application to geothermal energy extraction

    W.G.P. Kumari;P.G. Ranjith;M.S.A. Perera;S. Shao

  • Effect of cooling rate on the mechanical behavior of heated Strathbogie granite with different grain sizes

    Shi Shi Shao;Piyal Lp Wasantha;Pathegama Gamage Ranjith;Bernard Chen

  • Thermal conductivity of soils and rocks from the Melbourne (Australia) region

    D. Barry-Macaulay;A. Bouazza;R.M. Singh;B. Wang

  • Influence of thermal treatment on mode I fracture toughness of certain Indian rocks

    Bankim Mahanta;Bankim Mahanta;T.N. Singh;P.G. Ranjith

  • Strength failure behavior and crack evolution mechanism of granite containing pre-existing non-coplanar holes: Experimental study and particle flow modeling

    Yan Hua Huang;Sheng Qi Yang;P. G. Ranjith;P. G. Ranjith;Jian Zhao

  • Reuse of iron ore mineral wastes in civil engineering constructions: A case study

    Mohan Yellishetty;Vanda Karpe;E H Reddy;K N Subhash

  • A review of studies on CO 2 sequestration and caprock integrity

    Richa Shukla;Pathegama Ranjith;Asadul Haque;Xavier Choi

Frequent Co-Authors

Mandadige Samintha Anne Perera
Mandadige Samintha Anne Perera University of Melbourne
Asadul Haque
Asadul Haque Monash University
Vikram Vishal
Vikram Vishal Indian Institute of Technology Bombay
T. N. Singh
T. N. Singh Indian Institute of Technology Bombay
Jayantha Kodikara
Jayantha Kodikara Monash University
Jay G. Sanjayan
Jay G. Sanjayan Swinburne University of Technology
Jian Zhao
Jian Zhao Monash University
Stephan K. Matthäi
Stephan K. Matthäi University of Melbourne
Tao Xu
Tao Xu Northeastern University
Abdelmalek Bouazza
Abdelmalek Bouazza Monash University

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