Results 31 to 40 of about 9,765 (263)

A study of the saturation levels of concrete at different depths on the downstream zone of a dam under low-temperature conditions

open access: yesCase Studies in Construction Materials, 2022
For concrete dams, the saturation level before freezing is an important factor influencing freeze-thaw deterioration of the downstream area of the dam.
Yaoying Huang   +3 more
doaj   +1 more source

Nonlinear seismic response of arch dams considering joint opening effects and boundary conditions of discontinuous foundation [PDF]

open access: yesNumerical 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
doaj   +1 more source

Real time thermal field analysis on Wudongde super high arch dam during construction

open access: yesGlobal Energy Interconnection, 2019
During concrete dam construction, concrete temperature monitoring and control is key to ensuring dam concrete quality and construction safety. In this study, a 2D thermal field restructuring method relating to the Kriging temperature interpolation is ...
Haoyang Peng   +4 more
doaj   +1 more source

Concrete face rockfill dam located on deformed foundation: stress-strain state

open access: yesMagazine of Civil Engineering, 2023
Concrete face rockfill dam (CFRD) located on soil foundation has a composite structure of the seepage control facility. It includes three elements: the dam concrete face, the seepage control cuttoff wall (CW) in the foundation and the concrete apron ...
Sainov Mikhail
doaj   +1 more source

Estimation of the Modulus of Elasticity for Dam Concrete [PDF]

open access: yesCement and Concrete Research, 1998
Peer ...
Vilardell, J.   +3 more
openaire   +2 more sources

Nonlinear analysis of concrete gravity dams under normal fault motion [PDF]

open access: yesJournal of Structural and Construction Engineering, 2016
The importance of the seismic behavior of concrete gravity dams in their safety evaluation and stability is inevitable. Many factors affect the prediction of the behavior of concrete dams such as dam-foundation-reservoir interaction, dam and foundation ...
Mehdi Alijani Ardeshir   +2 more
doaj  

Numerical Simulation of Shock Response and Dynamic Fracture of a Concrete Dam Subjected to Impact Load

open access: yesEarth 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
doaj   +1 more source

Long-Term Performance and Microstructural Characterization of Dam Concrete in the Three Gorges Project

open access: yesEngineering
This study investigates the long-term performance of laboratory dam concrete in different curing environments over ten years and the microstructure of 17-year-old laboratory concrete and actual concrete cores drilled from the Three Gorges Dam.
Chen Lyu   +5 more
doaj   +1 more source

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   +1 more source

Downstream impacts of dam breach using HEC-RAS: a case of Budhigandaki concrete arch dam in central Nepal [PDF]

open access: yes
Studies on concrete dam breach are limited compared to earthen and other types of dams. With an increase in the construction of concrete dams, particularly in the developing world, it is imperative to have a better understanding of the dam breach ...
Pandey, Vishnu Prasad   +3 more
core   +1 more source

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