Results 11 to 20 of about 792 (163)

Rainfall and Temporal Influences on the Hydrodynamics of a Vertical Subsurface Flow Constructed Wetland Treating Domestic Sewage. [PDF]

open access: yesWater Environ Res
The constructed wetland hydrodynamic study indicated the formation of preferential flow paths between Years 3 and 5. Rainfall reduced the retention time and increased dispersive flow in the sewage treatment unit. ABSTRACT This study aimed to evaluate the hydrodynamic behavior of a vertical subsurface flow constructed wetland (VSSF‐CW) treating domestic
Silva G, da Silva Júnior ÉD.
europepmc   +2 more sources

Expression Virus-Like Particles (VLPs) at Geomembrane and Concret in Asian Pacific Shrimp Culture (Litopenaeus vannamei)

open access: yesJournal of Experimental Life Science, 2021
Asian Pacific Shrimp is an invertebrate that the most culture in aquaculture. But the high demand for shrimp makes farmers cultivate a high density. There are several ways to increase the density of shrimp culture, usually called geomembrane plastic and ...
Venny Nur Hidayah   +2 more
doaj   +1 more source

Risk assessment for hazardous waste storage site material aging and groundwater contamination [PDF]

open access: yesE3S Web of Conferences, 2023
Storage sites are the main sites for solid waste storage and also involve environmental pollution risks, but the aging of geomembrane materials and the evolution of defects in hazardous waste storage yards in service environment, which may lead to long ...
Zhang Luyu   +3 more
doaj   +1 more source

Cinquante ans de différentes applications des géomembranes dans les barrages

open access: yesSciences, Eaux & Territoires, 2012
Dans presque 300 barrages au monde, des géomembranes constituent l'étanchéité principale. La géomembrane est généralement associée à d'autres géosynthétiques remplissant diverses fonctions.
D. CAZZUFFI   +3 more
doaj   +1 more source

Geomembrane sustainability through longevity – 40 years of continuous service [PDF]

open access: yesE3S Web of Conferences
Longevity is a key component of sustainability in geomembrane systems. This paper demonstrates that long geomembrane performance is possible with attention to product design when used in a properly designed containment facility.
Shehane Bill, Wilson Felon R.
doaj   +1 more source

Stability of supported geomembrane tube flood barriers of novel design

open access: yesJournal of Flood Risk Management, 2020
Geomembrane tube is an alternative method for the construction of flood barriers, cofferdams and breakwaters for flood risk management. Compared to the traditional method of using sandbags to build flood barriers, geomembrane tubes could be inflated very
Liqiang Sun   +4 more
doaj   +1 more source

Numerical simulation of air resistance of French drains beneath geomembrane in field vacuuming tests

open access: yesYantu gongcheng xuebao, 2022
The French drains beneath the geomembrane are an important engineering measurement for the geomembrane as anti-seepage structures of reservoirs, and have a decisive effect on the air exhaust beneath the geomembrane.
CAO Xue-shan 1, 2, YUAN Jun-ping 1, 2, DING Guo-quan 1, 2
doaj   +1 more source

Assessing the shear-strength properties of geomembranes textured using the spray-on technique [PDF]

open access: yesE3S Web of Conferences
One of the techniques commonly used to create a surface texture on a polyethylene geomembrane consists in spraying filaments on a smooth geomembrane.
Blond Eric, Tarnowski Catrin
doaj   +1 more source

Finite-element Stress and Deformation Analysis of a Geomembrane Face Rockfill Dam

open access: yesRenmin Zhujiang, 2022
For a certain reservoir dam that is a geomembrane face rockfill dam,the composite geomembrane is used as the face slab on the dam surface to prevent seepage.A three-dimensional nonlinear finite-element model of this reservoir dam was built to simulate ...
ZHAO Yuhao   +4 more
doaj  

Overturning stability of supported geomembrane tube for flood control [PDF]

open access: yesE3S Web of Conferences, 2021
As a kind of rapid filling hydraulic structure, geomembrane tube can effectively act as flood barriers and cofferdams for flood risk management. L-shaped block is used to support geomembrane tube to prevent it from rolling.
Gao Xin   +4 more
doaj   +1 more source

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