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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

Pathegama Gamage Ranjith publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Pathegama Gamage Ranjith sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 604 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Pathegama Gamage Ranjith D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Pathegama Gamage Ranjith sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 104 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

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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