Results 51 to 60 of about 214,406 (306)
Deep Underground Science and Engineering, EarlyView.Triaxial compression tests under unloading confining pressure conditions were conducted to systematically analyze the permeability behavior of granite retrieved from the different classification surrounding rocks. Abstract The rock mass within mountain tunnels undergoes complex changes in permeability, strength, and deformation during tunneling ...
Xiaoyan Zhang +4 more
wiley +1 more source
Frontiers in MaterialsHazard evaluation of concrete dam fractures is vital for safe operations. The width (S1), length (S2), and depth (S3) of fractures are adopted as the assessment index, and the game theory combination weighting-normal cloud model is introduced. The normal
Wei-Wei Li +4 more
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The Sulphate Effect on Lijiaxia Concrete Dam (China) Gallery
Journal of Chemistry, 2017 The concrete degradation is one of the most serious problems for a dam construct during the normal operation, which determines the dam service life. Hence, it is very important to reduce the extent of the dam concrete degradation for the safety of the ...
Xufen Zhu +4 more
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Three dimensional nonlinear temperature and structural analysis of roller compacted concrete dam [PDF]
, 2009 This paper focuses on the development, verification and application of a three-dimensional finite element code for coupled thermal and structural analysis of roller compacted concrete dams.
Abdulrazeg, Aeid Ali +4 more
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Lifetime evaluation of concrete structures under sustained post-peak loading [PDF]
, 2005 Experimental tests on crack propagation in concrete under constant post-peak loading are simulated using the finite element method and the cohesive crack model, in both Mode I and Mixed-mode conditions.
Barpi, Fabrizio, Valente, Silvio
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Deep Underground Science and Engineering, EarlyView.The spiral conical perforations generated during methane in situ explosion fracturing operations lead to tensile fracture propagation in shale reservoirs being governed by the combined effects of impact pressure, bedding, and aperture under explosive loading. Using multiple regression analysis and digital image correlation technology, the mechanisms of
Yabo Chai +7 more
wiley +1 more source
Yantu gongcheng xuebaoBased on the dam breach case data of Sheyuegou Reservoir in Xinjiang Autonomous Region of China, the model tests on overtopping-induced breach of asphalt concrete core dams are conducted in the flume erosion model test system, and the process of erosion ...
YANG Meng 1, ZHONG Qiming 1, 2, LIN Zhong 3, LI Yu 1, 4, LU Hongning 1, 4
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Simulation of Temperatures and Stresses during Construction of a RCC Dam [PDF]
, 2012 Se describen las variaciones de temperaturas y de tensiones durante la construcción de presas de hormigón compactado. The curing of concrete is an exothermic process.
Lacoma Aller, Luis María +3 more
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Deep Underground Science and Engineering, EarlyView.This paper explores how climate‐resilient technologies, such as smart grids, digital twins, and self‐healing materials, can enhance urban resilience. It highlights the urgent need for proactive planning, public‐private collaboration, and data‐driven innovation to future‐proof underground infrastructure amid accelerating climate and urban pressures ...
Kai Chen Goh +12 more
wiley +1 more source
Horizontal and Vertical Movement of Concrete Dam Erecting on Sandy Soil under Seismic Loading
Diyala Journal of Engineering SciencesConcrete dams are the strongest dams, designed for flood control, electricity generation, and water management. They can become unstable due to ground shaking and earthquake impacts, resulting in stability loss due to embankment and foundation materials
Balqees Ahmed, Hassan O. Abbas
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