Results 171 to 180 of about 4,837 (209)
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Analysis of geomembrane wrinkles
Geotextiles and Geomembranes, 1992Abstract In the field, geomembranes expand when they are heated by the sun, and they exhibit wrinkles. The size and spacing of these wrinkles depend on the type of geomembrane. A theoretical analysis presented in this paper gives relationships between various parameters such as height, width and spacing of the wrinkles; modulus, thickness, density ...
J.P. Giroud, N. Morel
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Journal of Geotechnical Engineering, 1996
This note describes slide failures of the inside slope of a water reservoir, following a prolonged period of heavy rainfall. The reservoir had just been completed and was empty. Sliding took place along the plane of the smooth-surfaced geomembrane high-density polyethylene (HDPE), which had been installed 0.4 m below the face of the slope to contain ...
A. C. Stamatopoulos, P. C. Kotzias
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This note describes slide failures of the inside slope of a water reservoir, following a prolonged period of heavy rainfall. The reservoir had just been completed and was empty. Sliding took place along the plane of the smooth-surfaced geomembrane high-density polyethylene (HDPE), which had been installed 0.4 m below the face of the slope to contain ...
A. C. Stamatopoulos, P. C. Kotzias
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1999
A geotextile is any textile, or related product, permeable to water, used within a foundation, soil, rock, earth or any geotechnical engineering — the material is an integral part of a man-made project, structure, or system [1], The geotextile can include a coating deposit on one or both sides so as to consolidate the fabric or to protect it against ...
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A geotextile is any textile, or related product, permeable to water, used within a foundation, soil, rock, earth or any geotechnical engineering — the material is an integral part of a man-made project, structure, or system [1], The geotextile can include a coating deposit on one or both sides so as to consolidate the fabric or to protect it against ...
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Coextruded HDPE/VLDPE Multilayer Geomembranes
Geotextiles and Geomembranes, 1991Abstract High density polyethylene (HDPE) geomembranes have been used extensively during the last decade and very low density (VLDPE) geomembranes have been introduced during the last few years. Both materials have properties that are desirable for particular applications. HDPE has excellent chemical resistance, UV resistance and high modulus.
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Durability of HDPE geomembranes
Geotextiles and Geomembranes, 2002This paper summarizes the basic concepts and mechanisms related to the durability of HDPE geomembranes and discusses the factors influencing the service life of geomembrane liners.Geomembrane durability is addressed in terms of field performance and laboratory test results under various conditions.It discusses their projected service lives that may ...
R.Kerry Rowe, Henri P Sangam
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Geomembrane-clay composite liners
Geotextiles and Geomembranes, 1991Abstract A successful 1·22 m wide HDPE/Bentonite composite liner widely used in the waterproofing industry is now available as a 5·33 m wide geomembrane. Properties and potential applications are discussed.
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Use of geomembranes in high altitude applications: examples of PVC-P geomembranes
1999On aborde, à travers un exemple d'ouvrage et en s'appuyant sur d'autres communications, le vieillissement des géomembranes PVC utilisées en altitude, en particulier pour les bassins d'enneigement artificiel. Les résultats d'essais réalisés sur 3 échantillons prélevés sur cet ouvrage sont présentés. Les causes de cette dégradation prématurée de même que
Lambert, Stéphane +2 more
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Wide-Width Geomembrane Testing
2000Geomembranes are the most widely used components of liner and cover systems throughout the world. Arguably they are the most critical components of such systems. Millions of square meters of geomembrane have been used as liquid barriers over the past 20 years.
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A New High Friction HDPE Geomembrane
Geotextiles and Geomembranes, 1991Abstract This paper focuses on the description and behavior of a new type of patented textured HDPE geomembrane which is trademarked under the name FrictionFlex TM . Information about its manufacture is presented. The adhesive strength of the coating particles which are sprayed onto the sheet when they are at the proper elevated temperature is also ...
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