Results 11 to 20 of about 578 (183)

Effect of Normal and Shear Interaction Stiffnesses on Three-Dimensional Viscoplastic Creep Behaviour of a CFR Dam

open access: yesAdvances in Civil Engineering, 2018
Rockfill materials and foundation continuously interact with each other during lifetime of the rockfill dams. This interaction condition alters the viscoplastic behaviour of these dams in time.
Memduh Karalar, Murat Çavuşli
doaj   +1 more source

Assessment of the Upstream Slope Stability of Darbandikhan Rockfill Dam during Drawdown

open access: yesARO-The Scientific Journal of Koya University, 2021
Earth and rockfill dams face a variety of loading conditions during lifetime. One of the most critical loading conditions is the rapid drawdown of water level after steady state conditions.
Sirwan Gh. Salim, Krikar M. G. Noori
doaj   +1 more source

Study on compound structure of concrete gravity dam-face rockfill dam

open access: yesShuili Shuiyun Gongcheng Xuebao, 2022
In view of the outstanding problems in super high concrete face rockfill dams, such as large deformation of concrete face plate, easy opening of concrete face joint and non-maintenance of bottom face plate, etc., a new type of dam body structure suitable
LIU Jing, LU Xi, DANG Faning
doaj   +1 more source

A three-dimensional elasto-plastic dynamic response procedure for concrete-faced rockfill dams

open access: yesInternational Journal of Distributed Sensor Networks, 2018
Equivalent linear dynamic analysis is the primary method of analysis for concrete-faced rockfill dams during earthquake. However, this method cannot be directly used to estimate permanent deformation during earthquake, which is important to evaluate the ...
Bin Xu, Yang Zhou, Jingmao Liu, Xiang Yu
doaj   +1 more source

Application of CCTV visual image processing method in culvert disease diagnosis of earth-rock fill dam

open access: yesShuili Shuiyun Gongcheng Xuebao, 2019
The earth-rockfill dam construction in China has been greatly improved in the past few decades. However, with the extension of the service period of the earth-rockfill dam, its underlying culvert pipe diseases, especially leakage phenomenon, need to be ...
SONG Zilong   +3 more
doaj   +1 more source

A simulation-optimization approach to determine optimum features of detention rockfill dams under flood condition [PDF]

open access: yesمهندسی منابع آب, 2019
Detention rockfill dams are one of the structural methods that can control flood risks with no impermeable core or membrane. These dams decrease the maximum discharge of flood hydrograph and postpone the time of its occurrence reducing life and financial
Nafiseh Khoramshokooh   +2 more
doaj  

Unified modeling behavior of rockfill materials along different loading stress paths

open access: yesSoils and Foundations, 2022
Rockfill materials used for dam construction show obvious stress path dependency during construction process. The constitutive model for rockfill materials are mainly established based on conventional triaxial test.
Shihai Bian   +4 more
doaj   +1 more source

Deformation of rockfill in bodies of rockfill dams

open access: yesStroitel stvo nauka i obrazovanie [Construction Science and Education], 2019
Introduction. The main factor determining the stress-strain state (SSS) of rockfill dam with reinforced concrete faces is deformability of the dam body material, mostly rockfill. However, the deformation properties of rockfill have not been sufficiently studied yet for the time being due to technical complexity of the matter, Materials and methods. To
openaire   +2 more sources

Influence of the Uncertainty in the Dam‐Breach Hydrograph on the Flood Hazard Assessment in a Valley Area

open access: yesJournal of Flood Risk Management, Volume 19, Issue 2, June 2026.
ABSTRACT The reliability of flood event simulations is a crucial aspect in terms of saving lives. The worst flood scenarios derive from possible dam failures. For earthen dams, the breaching mechanism, triggered by overtopping or piping, is affected by several modelling uncertainties, which propagate downstream and may influence flood hazard mapping ...
Andrea Antonella Graziano   +2 more
wiley   +1 more source

Extrapolation-Based Scale Effect Model for Granular Heap Modulus

open access: yesAdvances in Civil Engineering, 2023
The numerical analysis was used to predict the rockfill dam displacement, and the model parameters were calibrated using the triaxial experiments on scale-down rockfill samples. Due to the scale effect of rockfill material, the displacements were usually
Zhigang Ma, Shuaifeng Wu, Ran Wei
doaj   +1 more source

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