Zobrazeno 1 - 10
of 218
pro vyhledávání: '"Ranjith Pathegama Gamage"'
Publikováno v:
Journal of Intelligent Construction, Vol 2, Iss 1, p 9180029 (2024)
Externí odkaz:
https://doaj.org/article/b207aa43a642410c8ba701dd6fc9998d
Publikováno v:
International Journal of Mining Science and Technology, Vol 32, Iss 2, Pp 283-294 (2022)
The creep phenomenon of rocks is quite complex and the creep mechanisms are far from being well understood. Although laboratory creep tests have been carried out to determine the creep deformation of various rocks, these tests are expensive and time-
Externí odkaz:
https://doaj.org/article/06286f40cdec47618ba2abe455f92a41
Publikováno v:
Energies, Vol 14, Iss 18, p 5965 (2021)
This review provides the hydration and volume expansion mechanism of expansive materials, with the goal of utilizing them in the development of sustainable mining methods. The main focus of the review will be the newly developed non-destructible rock
Externí odkaz:
https://doaj.org/article/e2751f233edb4702841ac406d213421c
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 8, Iss 3, Pp 329-340 (2016)
Most of deep geological engineered structures, such as rock caverns, nuclear waste disposal repositories, metro rail tunnels, multi-layer underground parking, are constructed within hard crystalline rocks because of their high quality and low matrix
Externí odkaz:
https://doaj.org/article/f5af17b50e0d49c489e6e941cd7737c9
Publikováno v:
Energies, Vol 12, Iss 19, p 3717 (2019)
In view of the water swelling of mudstone and the creep induction function of formations in the process of oilfield water injection, the casing incurs collapse deformation under local lateral load. In this study, according to the actual collapse defo
Externí odkaz:
https://doaj.org/article/fb89f81d334249ca87b4e2b252a7ae4a
Autor:
Miao Chen, Shengqi Yang, Ranjith Pathegama Gamage, Wendong Yang, Pengfei Yin, Yuanchao Zhang, Qiangyong Zhang
Publikováno v:
Energies, Vol 12, Iss 1, p 79 (2018)
Many rock engineering accidents have proven that the coalescence of discontinuities in surrounding rock can have a major impact on the security and stable operation of energy infrastructure. To give an insight into the understanding of the crack prop
Externí odkaz:
https://doaj.org/article/409af38bad8b4349b37f5163e9046282
Autor:
Ayal Wanniarachchi, Ranjith Pathegama Gamage, Qiao Lyu, Samintha Perera, Hiruni Wickramarathne, Tharaka Rathnaweera
Publikováno v:
Energies, Vol 12, Iss 1, p 14 (2018)
Hydro-fracturing is a common production enhancement technique used in unconventional reservoirs. However, an effective fracturing process requires a precise understanding of a formation’s in-situ strength behavior, which is mainly dependent on the
Externí odkaz:
https://doaj.org/article/d12ec87922054af7a924f3b5301408a2
Publikováno v:
Applied Sciences, Vol 8, Iss 7, p 1092 (2018)
With its low viscosity properties, CO2 has much greater penetration capacity into micro-fractures, and therefore has more potential to create expanded and effective fractures in shales during the hydraulic fracturing process. However, the feasibility
Externí odkaz:
https://doaj.org/article/b69d81f36a134c2c87d2f46d34f88b40
Autor:
Wendong Yang, Ranjith Pathegama Gamage, Chenchen Huang, Guangyu Luo, Jingjing Guo, Shugang Wang
Publikováno v:
Energies, Vol 11, Iss 6, p 1462 (2018)
The creep characteristics of rocks are very important for assessing the long-term stability of rock engineering structures. Two loading methods are commonly used in creep tests: single-step loading and multi-step loading. The multi-step loading metho
Externí odkaz:
https://doaj.org/article/ebbcc9f641af4435af3b19f5ba89eddc
Autor:
Xiaogang Zhang, Ranjith Pathegama Gamage, Mandadige Samintha Anne Perera, Ashani Savinda Ranathunga
Publikováno v:
Energies, Vol 11, Iss 5, p 1116 (2018)
The adsorption of moisture or brine into coal causes the coal mass mechanical properties to be significantly altered, which can greatly affect the coal mining and coal seam gas extraction process. A study was therefore initiated to investigate the in
Externí odkaz:
https://doaj.org/article/61009856316847c2927461faf3c6f9dd