نتایج جستجو برای: geomembrane
تعداد نتایج: 147 فیلتر نتایج به سال:
Purpose: justification of irrigation canal impervious linings use with new materials and methods for their calculation. Materials methods. The proposed improved designs canals were the research. To determine specific filtration flow, calculation free backed concrete-film damage in polymer geomembrane, taking into account moisture contours partial soil saturation water at base used. Results. Amo...
Antioxidant depletion was evaluated in high-density polyethylene (HDPE) geomembrane (GM) coupons immersed in radioactive synthetic leachate (RSL) representative of leachate in low-level radioactive waste (LLW) disposal facilities operated by the U.S. Department of Energy’s environmental restoration programs. Depletion was assessed at four temperatures (25, 50, 70, and 90°C). Comparative tests w...
Tests were conducted to determine thickness of smooth, nonreinforced geomembranes using three methods: mechanical (according to ASTM and European standards), ultrasonic, and magnetic methods. The mechanical method is the standard procedure used for determining thickness of geomembranes. The ultrasonic and magnetic methods are not commonly used for geomembranes; however, they are used for testin...
Geomembranes are used worldwide as basin liners in tailings ponds to decrease the permeability of foundation and prevent further transportation harmful contaminants contaminated water. However, leakage into environment damage geomembrane have been reported. This paper reviews available literature recommendations on structures for use a basal liner ponds, presents framework achieve early involve...
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