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Major Technologies for Safe Construction of High Earth-Rockfill Dams

open access: yesEngineering, 2016
The earth-rockfill dam is one of the primary dam types in the selection of high dams to be constructed in Western China, since it is characterized by favorable adaptability of the dam foundation; full utilization of local earth, rock, and building ...
Hongqi Ma, Fudong Chi
doaj   +5 more sources

Displacement-Based Back-Analysis of the Model Parameters of the Nuozhadu High Earth-Rockfill Dam [PDF]

open access: yesThe Scientific World Journal, 2014
The parameters of the constitutive model, the creep model, and the wetting model of materials of the Nuozhadu high earth-rockfill dam were back-analyzed together based on field monitoring displacement data by employing an intelligent back-analysis method.
Yongkang Wu   +4 more
doaj   +6 more sources

Research Hotspot and Trend Analysis of Earth-Rockfill Dam Stability Based on Knowledge Map

open access: yesRenmin Zhujiang
Since the 20th century, earth-rockfill dam instability accidents have occurred frequently all over the world. In order to systematically summarize the current status and hotspots of research on earth-rockfill dam stability and analyze the future ...
WANG Luoxi   +4 more
doaj   +5 more sources

Comparison between Duncan and Chang’s EB Model and the Generalized Plasticity Model in the Analysis of a High Earth-Rockfill Dam [PDF]

open access: yesJournal of Applied Mathematics, 2013
Nonlinear elastic model and elastoplastic model are two main kinds of constitutive models of soil, which are widely used in the numerical analyses of soil structure. In this study, Duncan and Chang's EB model and the generalized plasticity model proposed
Weixin Dong   +3 more
doaj   +4 more sources

Analysis of Static Stability of Earth-Rockfill Dam Slope Based on PSO-PR-IE Method

open access: yesRenmin Zhujiang
In order to fully consider the advantages of the anti-sliding performance of the contact interface using the partitioned rigid body–interface element (PR-IE) method, the static stability analysis method of earth-rockfill dam slope based on the PR-IE ...
LIU Qiankun   +3 more
doaj   +4 more sources

Study on Influence of Numerical Simulation Accuracy on High Core Wall Rockfill Dam Deformation and Crack Analysis

open access: yesBuildings, 2022
With the increasing height of rockfill dams, detailed and effective numerical simulation for the dam design and construction has become increasingly important.
Xiongxiong Zhou, Bo Wu, Li Li
doaj   +2 more sources

An End-to-End Particle Gradation Detection Method for Earth–Rockfill Dams from Images Using an Enhanced YOLOv8-Seg Model [PDF]

open access: yesSensors
Rockfill particle gradation significantly influences mechanical performance in earth–rockfill dam construction, yet on-site screening is often time-consuming, labor-intensive, and structurally invasive.
Yu Tang   +5 more
doaj   +2 more sources

Application of NARX in Seepage Prediction of Earth-Rockfill Dams

open access: yesRenmin Zhujiang, 2022
Seepage monitoring is an important means to master the safety state of a dam.As the seepage pressure of earth-rockfill dams lags behind the reservoir water level,a nonlinear auto-regressive neural network with exogenous inputs (NARX),a network ...
ZHAO Pu, GU Yanchang, WU Yunxing
doaj   +1 more source

Research Progress on Failure Probability Analysis of Earth-Rockfill Dams Based on Random Field Models

open access: yesRenmin Zhujiang
The physical and mechanical parameters of rock and soil inside earth-rockfill dams have strong spatial variability. Random field models can accurately model and analyze failure probability through scientific methods, which helps to better evaluate dam ...
WANG Wei, LIAO Zhihao, LIAO Jielin
doaj   +1 more source

Development and initial application of test devices for leakage of earth-rockfill dams

open access: yesYantu gongcheng xuebao, 2023
To accurately simulate the seepage characteristics of earth-rockfill dams during leakage, a test device is developed. The device can precisely control the test variables such as platform slope, water supply discharge, water temperature, etc.
MA Zhaoyang , REN Jie , NAN Shenghao , XU Song
doaj   +1 more source

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