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Blast-Resistance and Damage Behavior of Underwater Explosion for Concrete Gravity Dam Considering Concrete Strength Partition

open access: yesBuildings, 2023
The consequences of dam damage caused by explosions, wars, and terrorist attacks are extremely serious, and they can cause casualties among downstream residents.
Wenlong Huo
doaj   +4 more sources

A STUDY ON SEISMIC VULNERABILITY ANALYSIS OF CONCRETE GRAVITY DAM WITH STRAIN RATE EFFECT [PDF]

open access: yesCivil 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
doaj   +3 more sources

Dynamic Failure Experimental Study of a Gravity Dam Model on a Shaking Table and Analysis of Its Structural Dynamic Characteristics [PDF]

open access: yesSensors
Investigating the dynamic response patterns and failure modes of concrete gravity dams subjected to strong earthquakes is a pivotal area of research for addressing seismic safety concerns associated with gravity dam structures.
Jianchun Qiu   +7 more
doaj   +2 more sources

Directions of improvement of massive hydraulic retaining structures [PDF]

open access: yesE3S 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
doaj   +1 more source

Reliability Analysis of Concrete Gravity Dams Based on Least Squares Support Vector Machines with an Improved Particle Swarm Optimization Algorithm

open access: yesApplied 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
doaj   +1 more source

Seismic Response and Damage Characteristics of RCC Gravity Dams Considering Weak Layers Based on the Cohesive Model

open access: yesMathematics, 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
doaj   +1 more source

Push-over analysis of concrete gravity dams due to flood inflow [PDF]

open access: yesNumerical 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
doaj   +1 more source

Risk Assessment of Aged Concrete Gravity Dam Subjected to Material Deterioration Under Seismic Excitation

open access: yesInternational 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
doaj   +1 more source

Improving Resistance of Gravity Dam to Seismic Wave by Using Stepped Base [PDF]

open access: yesE3S 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
doaj   +1 more source

Parametric Study of Concrete Dam Stability in the Case of Gallery and Tailwater Existence

open access: yesEurasian 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
doaj   +1 more source

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