Results 41 to 50 of about 606,788 (152)

The Effects of the No-Load Factors on Static Response of the Gravity Dam

open access: yes, 2010
By using finite element method, analysis the static response of internal force and displacement of gravity dam under water and no-load factors. The change of the stiffness ratio and the difference of dam and foundation stiffness at the dam heel and toe ...
Zhi Dong Qiu, De Min Wei
core   +1 more source

Probabilistic Seismic Analysis of the Deep Sliding Stability of a Concrete Gravity Dam-Foundation System

open access: yesAdvances in Civil Engineering, 2020
There are various uncertainties in the design, construction, and operation of dams. These uncertainties have an important impact on the seismic response and seismic safety evaluation of concrete dams. In this research, a typical nonoverflow monolith of a
Hui Liang   +5 more
doaj   +1 more source

Optimization Study For The Cross-Section Of A Concrete Gravity Dam: Genetic Algorithm Model And Application [PDF]

open access: yes, 2019
Concrete gravity dams have trapezoidal shape in their cross section and shall guarantee the global stability against acting loads like hydrostatic and uplift pressures through his gravitational actions (self-weight and others).
Gutstein, Daniela   +3 more
core   +1 more source

Effect of near-fault ground motion with pulse signal on dynamic response of dam-reservoir-foundation systems

open access: yesGrađevinar, 2023
This paper aimed to determine the effects of a pulse signal of near-fault ground motion on the dynamic response of gravity dams, including dam-reservoir-foundation interaction, using different reservoir modelling approaches such as Westergaard, Lagrange,
Ahmet Can Altunisik   +2 more
doaj   +1 more source

Characteristics of Different Kinds of Concrete Gravity Dam Under Water Contact Explosion

open access: yes工程科学与技术, 2017
:In the past half century,China has constructed more dams than any other country in the world.The impact of the blast load on the safety of a concrete dam needs to be assessed.The effects of different locations for underwater contact explosion on two ...
XU Qiang   +4 more
doaj  

On the exciter placement for the modal testing of a gravity dam

open access: yes, 1993
It is possible to test a mechanical system consisting of dam-foundation-sedimentwater in situ as a black-box system by employing the measurement data of the acceleration response of the dam to some force excitation signal, with no assumption being made ...
Pietrzko, Stanislaw (author)
core  

Seismic Response Analysis of Reservoir Water-Gravity Dam-Foundation System

open access: yes, 2017
The Scaled boundary finite element method and finite-infinite element method are used to model the system of reservoir water – gravity Dam - infinite foundation. The effect of the reservoir water and the infinite foundation on the seismic response of the
Yu Yang Wang   +3 more
core   +1 more source

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

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   +1 more source

Joint Optimization of RCC Gravity Dam on Complex Foundation Considering Seismic Dynamic Response

open access: yesRenmin Zhujiang, 2023
To explore the influence of transverse seam cutting of a high RCC gravity dam on the seismic performance of the dam body,this paper takes the RCC gravity dam project of Mahl Hydropower Station in Pakistan with high seismic intensity and sand-mudstone ...
LI Jinyou, HU Jiang, GU Zhenhua
doaj  

Seismic Fragility Analysis of Gravity Dams Considering the Fuzziness of Damage States Thresholds

open access: yes工程科学与技术, 2020
Since the evolution of the structural damage states is a gradual transitional process and the fuzziness of cognition, the thresholds of damage states of the gravity dams are fuzzy, which will affect the evaluation results of damage states of gravity dams.
Yuan WANG   +4 more
doaj  

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