Results 21 to 30 of about 280,904 (309)

Characteristics of direct human impacts on the rivers Karun and Dez in lowland south-west Iran and their interactions with earth surface movements [PDF]

open access: yes, 2015
Two of the primary external factors influencing the variability of major river systems, over river reach scales, are human activities and tectonics.
Frostick, Lynne E.   +6 more
core   +1 more source

Major Technologies for Safe Construction of High Earth-Rockfill Dams

open access: yesEngineering, 2016
The earth-rockfill dam is one of the primary dam types in the selection of high dams to be constructed in Western China, since it is characterized by favorable adaptability of the dam foundation; full utilization of local earth, rock, and building ...
Hongqi Ma, Fudong Chi
doaj   +1 more source

Research progress of waste retaining dam expansion project technology for large domestic waste landfills [PDF]

open access: yesE3S Web of Conferences, 2022
In view of the problem of insufficient storage capacity of the original landfill site, it is a very economical and effective way to use the horizontal, longitudinal and composite extension of garbage dam with geotextile reinforced earth dam.
Song Shuxiang, Zheng Chao, Huang Qiufeng
doaj   +1 more source

The Kambarata 2 blast-fill dam, Kyrgyz Republic: blast event, geophysical monitoring and dam structure modelling [PDF]

open access: yes, 2015
Background The blast-and earth-fill dam of the Kambarata 2 hydropower station is situated in the seismically active Central Tien Shan region of the Kyrgyz Republic.
Fernandez-Steeger, Tomas   +5 more
core   +1 more source

Minimum height of the trapezoidal filter in earth dams using Complex Function Theory

open access: yesAlexandria Engineering Journal, 2015
Height of the trapezoidal filter in earth dam based on an impervious base is established using Complex Function Theory. Based on different earth dam and filter dimensions, such as retained water head upstream the dam, angle of inclination and upstream ...
Mohamed Abd El-Razek M. Rezk   +1 more
doaj   +1 more source

Modeling the effect of central impervious core and downstream filter geometry on seepage through earth dams

open access: yesAin Shams Engineering Journal, 2022
This investigation aims to identify the seepage discharge in the earth dam resting on an impervious foundation. Twenty-one models of a homogenous earth dam with and without horizontal filter and a central impervious core of different width were ...
Sushant Kumar, A.K. Sahu, Munendra Kumar
doaj   +1 more source

Top coal caving mining technique in thick coal seam beneath the earth dam

open access: yesInternational Journal of Mining Science and Technology, 2017
It is important to study the mining technology under structures for raising the coal resources recovery ratio. Based on the geological and mining conditions, the top coal caving harmonic mining technique in thick coal seam beneath the earth dam was put ...
Wenbing Guo, Yi Tan, Erhu Bai
doaj   +1 more source

Determination of Contours of Flooded Areas Due to Possible Accident of Zhinvali (Georgia) Earth Dam and Calculation of the Hydrodynamic Parameters of a Destructive Wave at a Dam [PDF]

open access: yesE3S Web of Conferences, 2020
Using theoretical and field studies, computer software programs (VOLNA-4, and MIKE-21, ) and GIS technology, and taking into account the possible accident (destruction) of the Earth Dam with a height of 102 meters, the contours of the riverbed of flooded
Gavardashvili Givi   +6 more
doaj   +1 more source

Dynamic Analysis of Concrete Arch Dam due to Earthquake Force [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering
A gravity dam with concrete is a vast construction that keeps a large volume of water on its upstream side, and its ability to withstand seismic vibrations is critical.
Sougata Mukherjee, K. Nallasivam
doaj   +1 more source

Overtopping Risk Analysis of Earth Dams considering Effects of Failure Duration of Release Structures

open access: yesComplexity, 2020
For modern high earth dams, sufficient safety margin is considered in the designs of flood discharge capacity and dam crest elevation to prevent flood overtopping. However, for high earth dams which may induce catastrophic consequences, during their long
Lijun Liu, Zhenyu Wu
doaj   +1 more source

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