Multi-arch dam safety evaluation based on statistical analysis and numerical simulation [PDF]
Scientific Reports, 2022 The Foziling multi-arch dam, one of the few multi-arch dams in the world, was built on the bedrock with complicated geological conditions. It has undergone several reinforcements since it was put into service in the 1950s.
Qi He +5 more
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Dynamic Response-Based Safety Monitoring and Damage Identification of Concrete Arch Dams via PSO–LSTM [PDF]
SensorsThe measured dynamic response of concrete arch dams under seismic excitation is a typical time series that contains rich information about structural conditions.
Jianchun Qiu +9 more
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Numerical assessment of the influences of uplift pressure in joints on the seismic response of an arch dam having a jointed foundation [PDF]
Numerical Methods in Civil Engineering, 2022 Joints, which are usually located in the abutments of dams, play a vital role in the seismic stability evaluation of arch dams. This paper presents a comprehensive numerical investigation of the influence of uplift pressure in joints on the seismic ...
Hasan Mostafaei +3 more
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Modal Parameter Recursive Estimation of Concrete Arch Dams under Seismic Loading Using an Adaptive Recursive Subspace Method [PDF]
SensorsModal parameter estimation is crucial in vibration-based damage detection and deserves increased attention and investigation. Concrete arch dams are prone to damage during severe seismic events, leading to alterations in their structural dynamic ...
Xinyi Zhu +8 more
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Ordinary Kriging Interpolation Method Combined with FEM for Arch Dam Deformation Field Estimation
Mathematics, 2023 The deformation characteristic of the arch dam can directly reflect its service performance, which can be analyzed on the basis of the dam deformation field.
Chenfei Shao +4 more
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Analysis of the influence of asymmetric geological conditions on stability of high arch dam
Science and Engineering of Composite Materials, 2021 Geological conditions play a decisive role in the stability of arch dam engineering, and the asymmetric geological conditions of the abutment have a very negative impact on the safety of the arch dam.
Ding Zelin +4 more
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Mathematics, 2023 During the operational period, unexpected upstream deformation has been observed in several super-high arch dams located in the alpine and gorge regions.
Chenfei Shao +4 more
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Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
Mathematics, 2021 The stability of an arch dam can be significantly damaged by an extreme underwater explosion. This study proposed a damage index for assessing the degree of local damage of an arch dam after the dam was subjected to an underwater explosion.
Xiaohua Zhao +3 more
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Applied Sciences, 2022 During the operation period, the deformation of an ultra-high arch dam is affected by the large fluctuation of the reservoir water level. Under the dual coupling of the ultra-high dam and the complex water level conditions, the traditional variational ...
Yongtao Liu +6 more
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Nonlinear seismic response of arch dams considering joint opening effects and boundary conditions of discontinuous foundation [PDF]
Numerical Methods in Civil Engineering, 2021 In most cases, concrete arch dams in the presence of suitable abutments, have high bearing capacity and more appropriate safety regarding the cost aspects, when compared to the other types of dams.
A. Ferdousi
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