E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
E02D 3/08 (2006.01) E02D 3/10 (2006.01) E02D 27/34 (2006.01) E04H 9/02 (2006.01)
Patent
CA 2250989
Liquefiable soil (10) is treated for earthquake liquefaction for a building structure or work (11) on or below an overlying ground surface. A plurality of substantially vertical prefabricated drains (12) are positioned at spaced intervals in the liquefiable soil (10) and a reservoir (14) is provided and adapted for draining off water which is expelled from the drains (12) during an earthquake. The drains (12) are generally comprised of an elongated plastic core material providing channels for channeling water off or therealong and this core is sometimes or selectively surrounded by a filter fabric as required to provide a composite drain.
L'invention concerne le traitement d'un sol liquéfiable (10) pour éviter la liquéfaction sismique pour une structure ou un chantier (11) sur ou sous la surface du sol. Une pluralité de drains préfabriqués sensiblement verticaux (12) sont placés à intervalles réguliers dans le sol liquéfiable (10) et on installe et on adapte un réservoir (14) destiné à évacuer l'eau s'écoulant des drains (12) au cours d'un séisme. Les drains (12) sont généralement constitués d'une âme plastique allongée formant un canal d'écoulement ou de ruissellement de l'eau, et cette âme peut, selon le cas, être entourée par un tissu filtre suivant les besoins, ce qui donne un drain composite.
Geotechnics America Inc.
Goughnour R.robert
Marks & Clerk
LandOfFree
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