Results 1 to 10 of about 803 (219)

The Wetting Deformation Model of Rockfill and Its Two Methods for Simulating Rockfill Dam Collapse Settlement [PDF]

open access: yesThe Scientific World Journal, 2023
The wetting deformation of the upstream dam shell material during the impoundment of the core wall rockfill dam seriously affects the safety of the dam.
Litan Pan   +3 more
doaj   +3 more sources

A Study of the Rockfill Material Behavior in Large-Scale Tests [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2013
Inspecting the behavior of the rockfill materials is of significant importance in analysis of rockfill dams. Since the dimensions of grains in such materials are greater than the conventional sizes suitable for soil mechanics tests, it is necessary to ...
Ali Ghanbari   +2 more
doaj   +2 more sources

Fractures in non-homogeneous rockfill materials from a micromechanics perspective [PDF]

open access: yesJournal of Hydraulic Structures, 2022
This study investigates particle breakage and cracks propagation of non-homogeneous rockfill materials, particularly conglomerates, from a microscale perspective. The conglomerate's materials were gathered from Masjed-E-Soleyman, MES, rockfill dam, Iran.
Saber Alidadi   +2 more
doaj   +2 more sources

Influence of Scale Effect on Strength and Deformation Characteristics of Rockfill Materials. [PDF]

open access: yesMaterials (Basel), 2022
The hybrid method was adopted to model the original gradation of rockfill materials. According to the specification requirements, three simulated gradations of rockfill materials have been obtained. By the same token, the corresponding maximum particle sizes are 20 mm, 40 mm and 60 mm, respectively.
Han H, Li J, Shi J, Yang C.
europepmc   +3 more sources

A laboratory-based test procedure for the investigation of slaking-induced changes in geotechnical properties of tailing dam embankment materials [PDF]

open access: yesHeliyon
Slaking is a process of material parameters alteration resulting from wetting-drying cycles, changes in overburden stress, and chemical interactions. Tailings Storage Facilities (TSF) constructed with materials prone to slaking may experience breaches ...
Chaminda Gallage   +4 more
doaj   +2 more sources

Rockfill material segmentation and gradation calculation based on deep learning

open access: yesCase Studies in Construction Materials, 2022
The gradation of rockfill materials affected the rolling quality and body strength of earth-rockfill dam. To address the limitations of manual screening and traditional computer vision methods, a gradation detection method suitable for rockfill dam ...
Haoyue Fan   +6 more
doaj   +3 more sources

Discrete element simulation of crushable rockfill materials

open access: yesWater Science and Engineering, 2013
A discrete element method was used to study the evolution of particle crushing in a rockfill sample subjected to triaxial shear. A simple procedure was developed to generate clusters with arbitrary shapes, which resembled real rockfill particles.
Lei Shao   +3 more
doaj   +2 more sources

A particle-breakage critical state model for rockfill material

open access: yesScience China Technological Sciences, 2015
Particle breakage has a significant influence on the stress-strain and strength behavior of rockfill material. A breakage critical state theory (BCST) was proposed to describe the evolution of particle breakage. The breakage critical state line in the breakage critical state theory was correlated with the breakage factor, which was fundamentally ...
Yang Xiao, Yifei Sun, Sun Yifei
exaly   +4 more sources

Rockfill material uncertainty inversion analysis of concrete-faced rockfill dams using stacking ensemble strategy and Jaya optimizer

open access: yesWater Science and Engineering, 2023
Numerical simulation of concrete-faced rockfill dams (CFRDs) considering the spatial variability of rockfill has become a popular research topic in recent years.
Qin Ke   +3 more
doaj   +1 more source

Strength and stiffness parameters for hardening soil model of rockfill materials

open access: yesSoils and Foundations, 2021
In recent years, an increasing number of rockfill dams have been constructed in many developing countries around the world. One difficulty in the engineering design and construction of rockfill dams is the characterisation of the rockfill materials ...
Raksiri Sukkarak   +3 more
doaj   +1 more source

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