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A STUDY ON SEISMIC VULNERABILITY ANALYSIS OF CONCRETE GRAVITY DAM WITH STRAIN RATE EFFECT [PDF]
Civil Engineering Journal, 2018 The seismic vulnerability analysis of gravity dam can predict the probability of dam damage at different levels under different seismic loads. It is significant to evaluate the seismic safety, optimize the seismic design and develop the reinforcement ...
Hai-tao Wang +4 more
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Numerical Simulation of Shock Response and Dynamic Fracture of a Concrete Dam Subjected to Impact Load [PDF]
Earth Sciences Research Journal, 2016 The shock response and dynamic fracture of concrete gravity dams under impact load are the key problems to evaluate the antiknock safety of the dam. This study aims at understanding the effects of impact shock on the elastic response and dynamic fracture
Lu Lu +4 more
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The damage to model concrete gravity dams subjected to water explosions
Defence Technology, 2023 Over the past century, the safety of dams has gradually attracted attention from all parties. Research on the dynamic response and damage evolution of dams under extreme loads is the basis of dam safety issues.
Shang Ma +5 more
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Directions of improvement of massive hydraulic retaining structures [PDF]
E3S Web of Conferences, 2023 The article deals with the issues of improving hydraulic retain-ing structures of the gravity (massive) type. In order to reduce the cost of building gravity (massive) dams and increase their efficiency, a constant search for new, more efficient design ...
Balzannikov Mikhail
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Applied Sciences, 2022 A reliability analysis method based on least squares support vector machines with an improved particle swarm optimization algorithm (IPSO-LSSVM) is proposed to calculate the reliability of concrete gravity dams when explicit nonlinear limit-state ...
Shida Wang +4 more
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Mathematics, 2023 Due to the construction technology of roller compacted concrete (RCC) gravity dams, there are many weak layers that have the potential to affect the seismic performance of dams. However, research on the seismic response and failure characteristics of RCC
Gaohui Wang +4 more
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International Journal of Concrete Structures and Materials, 2020 This paper proposes an approach to assess and predict the seismic risk of existing concrete gravity dams (CGDs) considering the ageing effect. The combination of fragility function and cumulative absolute velocity (CAV) depending on two failure states ...
Tahmina Tasnim Nahar +2 more
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Push-over analysis of concrete gravity dams due to flood inflow [PDF]
Numerical Methods in Civil Engineering, 2021 This study numerically predicts the failure scenario of a cracked concrete gravity dam through a push-over nonlinear analysis. The mixed-mode Linear Elastic Fracture Mechanics (LEFM) was employed using the extended finite element method (XFEM).
Mohammad Reza Gavzan Daroonkola +1 more
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Improving Resistance of Gravity Dam to Seismic Wave by Using Stepped Base [PDF]
E3S Web of Conferences, 2021 This study analyzes the possible modes of the seismic wave for concrete gravity dams and the damage occurring in the body where two gravity dam sections are taken as a case study.
Jabbar Asmaa Abdul +2 more
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Parametric Study of Concrete Dam Stability in the Case of Gallery and Tailwater Existence
Eurasian Journal of Science and Engineering, 2021 A concrete gravity dam can simply be defined as a large structure constructed of concrete that can hold back and also store a large amount of water.
Thamir Mohammed Ahmed
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