Results 71 to 80 of about 1,880 (181)

Feedback Analysis of Deformation Modulus for an Extra‐High Arch Dam With Dam Height of 300 m Level

Advances in Civil Engineering, Volume 2025, Issue 1, 2025.
Deformation is a critical indicator for safety monitoring of arch dams in operation; comparing measured deformation values with calculated ones is a common approach to assess dam behavior. However, deformation calculated based on design deformation parameters often significantly differs from measured values, especially for extra‐high arch dams; to ...
Zhiyong Qi, Dawen Tan, Futing Sun, Shilin Gong, Xuhuang Du, Li Qingchao   +5 more
wiley   +1 more source

Pore pressure in the core of ultra-high earth core rockfill dam at consideration of stress-strain state

Magazine of Civil Engineering
In the clayey core of the rockfill dam, pore pressure always appears, which may present a serious threat to the dam safety. Therefore, in the middle of the 20th century, there started the development a theory of clayey soil consolidation in cores of ...
Sainov Mikhail, Boldin Aleksandr
doaj   +1 more source

Coupling sPCA‐Based Statistical Modeling With Deep Residual Networks Considering Thermal Effect for Deformation Forecasting in High Dams

Structural Control and Health Monitoring, Volume 2025, Issue 1, 2025.
Accurate prediction of deformation under thermal influences is critical for the safety assessment and long‐term performance of high dams. This study proposes a novel two‐stage prediction framework that integrates statistical modeling with deep learning to enhance the interpretability and accuracy of dam deformation forecasting.
Bo Liu, Fangfang Liu, Fei Song, Francesc Pozo   +3 more
wiley   +1 more source

Seismic Stability Analysis of a High Earth and Rockfill Dam

, 1995
Accumulation of knowledge on earthquake activity in California has lead to stronger ground motions being postulated for the evaluation of the seismic stability of dams.
Ostadan, F., Marrone, J., Deng, N., Arango, I.   +3 more
core  

3D Dynamic Analysis of a 270m Concrete Faced Rockfill Dam

, 2011
3D finite element mesh for a 270m high CFRD was generated with advanced grid discretion technology. Adopting EI-Centro seismic wave with maximum horizontal acceleration 0.277g, dynamic response of this 270m high concrete faced rockfill dam was obtained ...
Da Wei Sun, Kang Ping Wang, Hui Qin Yao, Guo Dong Zhang   +3 more
core   +1 more source

System Reliability Analysis of Slope Stability of Earth Rock Dams Based on Finite Element Strength Reduction Method

Applied Sciences
To overcome the limitations of rigid body limit equilibrium methods in earth rock dam slope stability analysis, this study develops a system reliability framework using the finite element strength reduction method (FEM-SRM).
Huibao Huang, Junchi Zhu, Zhenyu Wu, Jiankang Chen, Jichen Tian   +4 more
doaj   +1 more source

Altered flow and sediment transport impacts on the ecosystems of Chinese major rivers: An urgent call for eco‐fluvial dynamics

River, Volume 3, Issue 4, Page 341-361, November 2024.
Abstract River ecosystems face challenges due to environmental degradation and alterations in flow and sediment transport resulting from climate change and other anthropogenic impacts. These changes may substantially affect river morphology, nutrient dynamics, wetland vegetation, aquatic habitats, and river ecological stability.
Hongwei Fang, Guojian He, Lei Huang, Chenwei Zhao, Jianyu Wang, Yong Han, Qifeng Gao, Tao Zhang, Jianan Meng   +8 more
wiley   +1 more source

Knowledge Extraction via Machine Learning Guides a Topology‐Based Permeability Prediction Model

Water Resources Research, Volume 60, Issue 7, July 2024.
Abstract The complexity and heterogeneity of pore structure present significant challenges in accurate permeability estimation. Commonly used empirical formulas neglect its microscopic and topological characteristics, thus lacking accuracy and adaptability. While machine learning (ML) and deep learning (DL) models demonstrate promising performance, but
Jia Zhang, Gang Ma, Zhibing Yang, Jiangzhou Mei, Daren Zhang, Wei Zhou, Xiaolin Chang   +6 more
wiley   +1 more source

Long-Term Settlement of High Concrete-Face Rockfill Dam by Field Monitoring and Numerical Simulation

, 2020
High concrete-face rockfill dams (CFRDs) with heights of over 100 m have been quickly developed in recent years. The self-weight of rockfill materials causes creep deformation of the dam body.
Zhigang Li, Haoyuan Jiang, Qibing Zhan, Xinjian Sun, Yongye Li, Yawei Zhao, Junxing Zheng, Peng Cao, Xinjie Zhou, Zhongxiang Ma   +9 more
core   +1 more source

Distribution and variation of earth pressure on submerged toe wall

Yantu gongcheng xuebao
Submerged toe walls are frequently used in high concrete face rockfill dams. At present, the distribution and variation of earth pressure on the back of a submerged toe wall during construction and impounding periods are not clear.
JI Enyue 1, 2, FU Zhongzhi 1, 2, ZHEN Feng 3, XU Ming 3
doaj   +1 more source