Results 21 to 30 of about 1,190,930 (264)

Temperature and thermal stress distribution in concrete arch dams in operation [PDF]

open access: yes, 2011
The temperature field of concrete dams in operational stages is dominantly influenced by variations in environmental seasonal temperature and climatic conditions.
Meri, Tony Carlos
core   +1 more source

3D numerical simulation of seismic failure of concrete gravity dams considering base sliding

open access: yesModelling in Civil Environmental Engineering, 2022
The sliding of dam base along dam-foundation rock interface during earthquake excitation can decrease the earthquake response of the dam. The present study reveals a numerical simulation of the seismic failure response for Oued Fodda concrete gravity dam,
DJAMEL Ouzandja, MOKHTAR Messaad
doaj   +1 more source

AC-IBFGS-Based Inversion Method for Estimating the Quasi-Viscoelastic Parameters of Arch Dams

open access: yesIEEE Access, 2022
This article investigates an inverse problem for variable physical and mechanical comprehensive parameters. A back analysis method based on an improved BFGS (Broyden-Fletcher-Goldfarb Shanno-Newtonian iteration) and AC (adjustment coefficient) is ...
Hao Gu   +3 more
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

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

Influence of filling sequence of concrete faced rockfill dam on deformation of squeezed sidewall and dam

open access: yesFrontiers in Earth Science, 2023
During construction of concrete faced rockfill dam (CFRD), the extrusion-sidewall will be protruding or deficiency under normal. Before panel construction, local slope cutting should be taken for the squeezed side wall or supplementary filling measures ...
Li Hongru   +5 more
doaj   +1 more source

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 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

Relationship between internal relative humidity and pore water saturation of dam concrete

open access: yesShuili Shuiyun Gongcheng Xuebao, 2021
In order to investigate whether there is a unique correspondence between the relative humidity of 100% inside dam concrete and the pore water saturation of 100%, dam secondary concrete specimens with a water-binder ratio of 0.5 and different fly ash ...
FEI Dawei   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy