Results 41 to 50 of about 409 (179)

Creep model for rockfill materials based on particle breakage energy consumption

Yantu gongcheng xuebao
Due to the complex rheological characteristics of rockfill materials, the existing empirical creep models have problems such as unclear meaning and too many parameters.
CHEN Ziyu 1, LI Guoying 1, 2, MI Zhankuan 1, 2, WEI Kuangmin 1, 2
doaj   +1 more source

Comprehensive review of innovative construction technology of high‐core rockfill dam: Nuozhadu project

River, Volume 4, Issue 2, Page 135-148, May 2025.
Abstract Underpinned by the ultrahigh‐core rockfill dam at the Nuozhadu Hydropower Station, comprehensive studies and engineering practices have been conducted to address several critical challenges: coordination of seepage deformation in dam materials, prevention and control of high‐water‐pressure seepage failure, static and dynamic deformation ...
Biao Liu, Zongliang Zhang, Lei Yan, Chao Liu, Mingxin Wu, Yuzhen Yu, Daren Zhang   +6 more
wiley   +1 more source

Geophysical imaging of the subsurface seismic structure of the Chestnut Hill Reservoir earth embankment dam (Massachusetts)

Near Surface Geophysics, Volume 23, Issue 2, Page 105-120, April 2025.
Abstract Degradation within a manmade earth embankment structure is often unobservable from the surface. In order to evaluate the structural integrity of earth embankment levees and dams and identify subsurface zones of weakness that may result in the future failures of such structures, various geophysical methods have been proposed as effective ...
Steven J. Maniscalco, John E. Ebel
wiley   +1 more source

Construction and Analysis of Slope Plane Deformation of High CFRD Based on Statistical Analysis of Multi‐Points Monitoring Data

Engineering Reports, Volume 7, Issue 3, March 2025.
This study proposed a method of modeling and analysis of dam slope plane deformation based on multi‐points monitoring data. Firstly, based on the sort out and analyze of actual monitoring data of the Hongjiadu CFRD, the deformation property of the dam has been mastered.
Xiongxiong Zhou, Wenjun Cai, Qiujiang He, Jing Zhou, Bingqian Zhou   +4 more
wiley   +1 more source

Effects of porosity on strength and deformation of rockfill materials

Yantu gongcheng xuebao, 2018
In view of the rockfill materials utilized in a 300 m - grade high earth-rock core rockfill dam to be constructed, large static triaxial tests under different porosities are performed to analyze the influences of porosity on strength and deformation of ...
XU Wei-wei1 , SHI Bei-xiao 2,3, CHEN Sheng-shui 2, LING Hua 2,3
doaj   +1 more source

Effect of uncertainties in breach location and breach mechanisms on risk‐related classification of off‐stream reservoirs

Journal of Flood Risk Management, Volume 18, Issue 1, March 2025.
Abstract Off‐stream reservoirs are artificial water storage structures that increase the flood risk of an area. In some places, related risk reduction plans are based on a risk classification of these structures, which follows local water resource management regulations. These classification methods typically follow deterministic qualitative guidelines
Nathalia Silva‐Cancino, Leonardo Alfonso   +1 more
wiley   +1 more source

Experimental Study of Dike‐Break Induced Flow Generated by Instantaneous Opening of the Side Gate

Journal of Flood Risk Management, Volume 18, Issue 1, March 2025.
ABSTRACT A large‐scale experimental model of instantaneous dike‐break induced flow was conducted in this work. Water level variations in the river channel and floodplain, breach discharge, and the surface velocity field at the breach were measured during dike failure.
Dawei Zhang, Zhongxiang Wang, Huiwen Liu, Wuxia Bi   +3 more
wiley   +1 more source

Three‐dimensional characterization of particle morphology in natural gravel and blasted rock fragments using SfM‐MVS photogrammetry

River, Volume 4, Issue 1, Page 70-83, February 2025.
Structure from Motion‐Multi‐View Stereo photogrammetry 3D reconstruction. Abstract This study aims to develop a high‐precision and cost‐efficient method for the three‐dimensional reconstruction of large particles in natural gravel and blasted rock fragments, utilizing Structure from Motion (SfM) and Multi‐View Stereo (MVS) techniques.
Hongchen Liu, Zitao Zhang, Huaizhi Su, Xuedong Zhang, Jing Hu   +4 more
wiley   +1 more source

Coarse‐Grained Ore Distribution on Conveyor Belts With TRCU Neural Networks

IET Image Processing, Volume 19, Issue 1, January/December 2025.
(1) The method can be used as technical support and the basis for subsequent real‐time particle size detection in the beneficiation process. (2) The proposed model combines Transformer and residual blocks with the CBAM attention mechanism in the encoder‐decoder. (3) The proposed model can effectively partition the ore particles of different grain sizes.
Weinong Liang, Xiaolu Sun, Yutao Li, Yang Liu, Guanghui Wang, Jincheng Wang, Chunxia Zhou   +6 more
wiley   +1 more source

Long-term deformation analysis of Shuibuya concrete face rockfill dam based on response surface method and improved genetic algorithm

Water Science and Engineering, 2019
Due to the size effects of rockfill materials, the settlement difference between numerical simulation and in situ monitoring of rockfill dams is a topic of general concern.
Fu-hai Yao, Shao-heng Guan, He Yang, Yuan Chen, Huan-feng Qiu, Gang Ma, Qi-wen Liu   +6 more
doaj   +1 more source