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An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Engineering 2016, Volume 2, Issue 3,   Pages 294-301 doi: 10.1016/J.ENG.2016.03.003

Abstract:

Based on systematic experiments on the influence of air entrainment on rock block stability in plungepools impacted by high-velocity jets, this study presents adaptations of a physically based scour modelThe modifications regarding jet aeration are implemented in the Comprehensive Scour Model (CSM), allowing; namely, water, rock, and air.Block ejection from the rock mass depends on a combination of the aerated time-averaged pressure coefficient

Keywords： Air entrainment     Uplift     Rock scour     Dam safety     High-velocity jets     Block stability     Scour assessment    

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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: Scour depth around bridge piers plays a vital role in the safety and stability of the bridges.The former approaches used in the prediction of scour depth are based on regression models or black boxaims to develop new equations using particle swarm optimization as a metaheuristic approach to predict scourMoreover, sensitivity analysis is conducted to achieve the most effective parameters in the estimation of scourThe derived equations can be used as a suitable proxy to estimate scour depth in both experimental and

Keywords： scour depth     bridge design and construction     particle swarm optimization     computational mechanics     artificial    

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Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 546-565 doi: 10.1007/s11709-023-0943-4

Abstract: However, research concerning the scour mechanism of multi-wall foundations (MWFs) remains scarce, hinderingfour MWFs with different wall arrangements and inflow angles, including the flow field analysis and scourIt was found that the maximum scour depth of MWFs with an inflow angle of 0° was smaller than that ofMeanwhile, changing the inflow angle significantly affects the scour characteristics of MWFs arranged

Keywords： multi-wall foundation     current-induced scour     bridge foundation     large-eddy simulation     numerical analysis    

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Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 273-287 doi: 10.1007/s11709-018-0459-5

Abstract: overview of the most popular state-of-the-art computational methods available for modelling fracture in rockmethods which can be found elsewhere but particularly address their potential in modelling fracture in rockFurthermore, we also address ‘general’ difficulties that may arise for simulating fracture in rock andfractured rock.

Keywords： numerical modelling     method development     rock mechanics     fractured rock     rock fracturing    

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Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0035-5

Abstract: Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Keywords： finite element power     stability rock escarpment    

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Aspects of rock permeability

Lianyang ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 102-116 doi: 10.1007/s11709-013-0201-2

Abstract: Effective evaluation of rock permeability is required in different energy, engineering and environmentalAlthough much research has been conducted on rock permeability, it is still one of the most difficulttasks for practicing rock engineers to accurately determine rock permeability.Based on a comprehensive literature review, this paper outlines the key aspects of rock permeability, and anisotropy of rock permeability.

Keywords： rock     permeability     discontinuity     stress     temperature     scale effect     anisotropy    

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Influence of soft rock-fill material as dam embankment with central bituminous concrete membrane

Peter TSCHERNUTTER

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 63-70 doi: 10.1007/s11709-010-0016-3

Abstract: Laboratory as well as field tests on solid rock-fill material were performed before the beginning ofDuring the construction the properties of the available rock-fill changed from solid to soft materials

Keywords： embankment dam     bituminous concrete membrane     rock-fill material properties     deformation behavior    

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interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil overlying rock

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1494-1503 doi: 10.1007/s11709-021-0768-y

Abstract: The problem related to bearing capacity of footing either on pure soil or on pure rock mass has beenCurrently, no study deals with the bearing capacity of strip footing on a cohesive soil layer overlying rockprogramming, the ultimate bearing capacity of a strip footing located on a cohesive soil overlying rockdifferent values of interface adhesion factor (αcr) between the cohesive soil and rockmass strength parameters of beneath rock mass layer.

Keywords： bearing capacity     soil-rock interface     Hoek−Brown yield criterion     plasticity     limit analysis    

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Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 322-328 doi: 10.1007/s11709-017-0387-9

Abstract: Mechanical properties of rock materials are related to textural characteristics.Textural characteristics of rock materials are influenced by the following factors: mineral composition

Keywords： Mechanical properties     rock material     texture     mineral characteristics    

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Frost heave and freezing processes of saturated rock with an open crack under different freezing conditions

Zhitao LV, Caichu XIA, Yuesong WANG, Ziliang LIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 947-960 doi: 10.1007/s11709-020-0638-z

Abstract: illustrate the reasons for this phenomenon, a numerical model on the freezing processes of saturated rockNumerical results show that a frozen shell that blocks the migration of water in crack to rock developsHowever, the migration path of water in crack to the unfrozen rock under freezing front exists underThe freezing process and permeability of rock together determine the migration of water in crack andTherefore, the freezing condition and rock permeability determine the frost heave of rock with crack

Keywords： frost heave     rock with crack     freezing process     freezing condition     frost heave mode    

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On the seismic stability analysis of reinforced rock slope and optimization of prestressed cables

Wenbo ZHENG, Xiaoying ZHUANG, Yongchang CAI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 132-146 doi: 10.1007/s11709-012-0152-z

Abstract: The evaluation of the seismic stability of high rock slopes is of vital importance to ensure the safeanalysis based on the finite element method is developed to evaluate the seismic stability of reinforced rockThe method is applied to analyze a high rock slope in south-west China and the optimization of cables

Keywords： high rock slope     reinforced system     optimization     prestressed cable     seismicity    

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Field and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled

Frontiers of Structural and Civil Engineering   Pages 1370-1386 doi: 10.1007/s11709-023-0947-0

Abstract: The tunnel boring machine (TBM) is typically used in hard-rock tunnel excavation.Owing to the unsatisfactory adaptability of TBM to the surrounding rock, when crossing high-strengthTherefore, high-pressure waterjet technology should be applied to assist in rock breaking for efficientnozzle diameter, and nozzle speed on cutting are investigated via laboratory experiments of cutting hard rockThe results show that high-pressure waterjets are highly efficient for rock breaking and are suitable

Keywords： tunnel boring machine     hard-rock cutting     free face     disc cutter     rock-cutting efficiency    

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Design and construction of scour protection for deep-water group pile foundation structures of two pylons

He Ping,Guan Yijun,Zhang Xiongwen,Zhang Qun,Zhou Jianhua

Strategic Study of CAE 2009, Volume 11, Issue 3,   Pages 44-50

Abstract: description of deep-water group pile foundation, the paper analyzed impact to the bridge safety introduced by scourand its protection and further presentsed different solutions of scour protection for foundation structures

Keywords： Sutong Bridge     deep-water group piles     scour protection     design and construction    

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Some Challenges of Deep Mining Review

Charles Fairhurst

Engineering 2017, Volume 3, Issue 4,   Pages 527-537 doi: 10.1016/J.ENG.2017.04.017

Abstract: This places increased focus on “ground control” and on rock mechanics to define the depththe deformational behavior of rock masses that are anisotropic and discontinuous—attributes thatwere described as the defining characteristics of in situ rock by Leopold Müller, the presidentand founder of the International Society for Rock Mechanics (ISRM), in 1966.For the first time, mining—and rock engineering—will have its own mechanics-based “

Keywords： Deep mining     Rock discontinuities     Synthetic rock mass     Mineral resources     Rock mechanics    

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Compared and analyzed the petrology and geochemistry of felsic rock mass enriches rare and non-ferrous

Wang Zixi,Ling Jinlan and Song Yanfang

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 50-58

Abstract: of these rock masses are small（area＜10 km2）.High SiO2， K2O， K2O/Na2O are benefit of enriching Mo in the magma which rock mass enriches Cu， Mo；highTiO2 and low P2O5 are benefit of enriching in the magma which rock mass enrich Nb， Ta.The enriching Cu of rock mass is S type granite，but the enriching Mo of rock mass is transiting fromrock mass has A type， I type and S type granites.

Keywords： felsic rock mass；rare metal；non-ferrous metal；formation of rock；small rock mass    

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Title Author Date Type Operation

An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Journal Article

Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Journal Article

Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Journal Article

Computational methods for fracture in rock: a review and recent advances

Ali JENABIDEHKORDI

Journal Article

Correction to: Effect of undercut on the lower bound stability of vertical rock escarpment using finite

Journal Article

Aspects of rock permeability

Lianyang ZHANG

Journal Article

Influence of soft rock-fill material as dam embankment with central bituminous concrete membrane

Peter TSCHERNUTTER

Journal Article

interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil overlying rock

Journal Article

Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Journal Article

Frost heave and freezing processes of saturated rock with an open crack under different freezing conditions

Zhitao LV, Caichu XIA, Yuesong WANG, Ziliang LIN

Journal Article

On the seismic stability analysis of reinforced rock slope and optimization of prestressed cables

Wenbo ZHENG, Xiaoying ZHUANG, Yongchang CAI

Journal Article

Field and laboratory experimental studies on hard-rock tunnel excavation based on disc cutter coupled

Journal Article

Design and construction of scour protection for deep-water group pile foundation structures of two pylons

He Ping,Guan Yijun,Zhang Xiongwen,Zhang Qun,Zhou Jianhua

Journal Article

Some Challenges of Deep Mining

Charles Fairhurst

Journal Article

Compared and analyzed the petrology and geochemistry of felsic rock mass enriches rare and non-ferrous

Wang Zixi,Ling Jinlan and Song Yanfang

Journal Article