Effects of close proximity underwater explosion on the nonlinear dynamic response of concrete gravity dams with orifices
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2018.06.016
Abstract: Abstract In order to meet the demand for power, irrigation, flood control, drinking water, etc., many orifices are usually designed on the dam body. This paper is aimed to evaluate the close proximity underwater explosion… read more here.
Keywords: gravity dams; close proximity; underwater explosion; proximity underwater ... See more keywords
Seismic vulnerability of gravity dams in near-fault areas
Sign Up to like & getrecommendations! Published in 2017 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2017.08.020
Abstract: Abstract This research deals with seismic vulnerability assessment of gravity dams located in near-fault areas by proposing a probabilistic seismic demand model for gravity dams considering near-field earthquake ground motions. It is done by conducting… read more here.
Keywords: fault areas; gravity dams; near fault; gravity ... See more keywords
Fuzzy seismic fragility analysis of gravity dams considering spatial variability of material parameters
Sign Up to like & getrecommendations! Published in 2021 at "Soil Dynamics and Earthquake Engineering"
DOI: 10.1016/j.soildyn.2020.106439
Abstract: Abstract Due to the heterogeneity of massive concrete and unevenness of pouring process, concrete strengths in gravity dams show obvious spatial variability. In addition, since the evolution of damage states for gravity dams is a… read more here.
Keywords: seismic fragility; gravity dams; spatial variability; damage ... See more keywords
Three-dimensional modelling of shear keys in concrete gravity dams using an advanced grillage method
Sign Up to like & getrecommendations! Published in 2020 at "Water science and engineering"
DOI: 10.1016/j.wse.2020.09.003
Abstract: Abstract Contraction joint shear keys are resilient features of gravity dams that can be considered to increase the sliding safety factors or minimise seismic residual sliding displacements, allowing costly remedial actions to be avoided. This… read more here.
Keywords: three dimensional; gravity dams; shear keys; advanced grillage ... See more keywords
Influence of Reservoir Water Levels on the Protective Performance of Concrete Gravity Dams Subjected to Underwater Explosions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Structural Engineering"
DOI: 10.1061/(asce)st.1943-541x.0002143
Abstract: AbstractBlast loads would cause serious damage to concrete gravity dams, and a possible dam break can lead to a catastrophe in downstream populated areas. Preventing damage to dam structures is of ... read more here.
Keywords: water levels; gravity dams; influence reservoir; reservoir water ... See more keywords
Comparison of homogenous and random fields of tensile strength effects on the nonlinear dynamical response of Guandi concrete gravity dams under strong earthquake waves
Sign Up to like & getrecommendations! Published in 2020 at "Structure and Infrastructure Engineering"
DOI: 10.1080/15732479.2020.1832534
Abstract: Abstract Spatial variability of tensile strength, widely existing in concrete gravity dams due to the influence of long construction period and heterogeneous construction quality, has a profound impact on the nonlinear behaviour of structures. In… read more here.
Keywords: tensile strength; strength; random fields; gravity dams ... See more keywords
New explicit formulas for optimum design of concrete gravity dams
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Concrete"
DOI: 10.12989/cac.2021.27.2.143
Abstract: Large dams are a part of the infrastructure of any society, and a huge amount of resources are consumed to build them. Among the various types of dams, the optimum design of concrete gravity dams… read more here.
Keywords: concrete gravity; gravity dams; optimum design; gravity ... See more keywords
Damage detection in concrete gravity dams using signal processing algorithms based on earthquake vibrations
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Vibroengineering"
DOI: 10.21595/jve.2019.20202
Abstract: In structural engineering, damage detection in concrete gravity dams (CGDS) is a practical problem. Dam destruction can have severe financial consequences and may even lead to fatalities. Therefore, structural health monitoring in advance is crucial.… read more here.
Keywords: damage detection; detection; gravity dams; detection concrete ... See more keywords