نتایج جستجو برای: geomembrane
تعداد نتایج: 147 فیلتر نتایج به سال:
As a kind of rapid filling hydraulic structure, geomembrane tube can effectively act as flood barriers and cofferdams for risk management. L-shaped block is used to support prevent it from rolling. The contact force between the analyzed by using particle flow code (PFC 2D ) software, overturning stability calculated. relationship key factors was established. It found that central angle has litt...
Application temperatures and exposure environments are among the causes of premature antioxidant loss in polymer geomembranes. Therefore, over long term, degradation takes place which is reflected geomembrane properties. In this work, accelerated thermal ageing polyethylene was carried out a climatic chamber at 70℃ with 21% oxygen. The evolution tensile properties, puncture resistance, shore D ...
In the USA and Australia in particular, water authorities prefer geomembrane lined covered earthen constructions over concrete steel because of a myriad benefits across installation, environmental, project cost criteria. Floating covers for reservoirs obstruct sunlight, which prevents algae reactive by-products from interfering with taste odor, prevent evaporation disinfectants, dilution precip...
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