ISO 3416-1986 Textile floor coverings Determination of thickness loss after prolonged heavy static loading《铺地织物 经长时间施加重型静负荷后厚度减薄的测定》.pdf

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1、Norme internationale INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONOMEYHAPOHAR OPTAHMJALWIR n0 CTAHAAPTH3Al b) lpaisseur initiale de chaque prouvette et lpaisseur initiale moyenne; c) la perte dpaisseur, chaque stade de rcupration, pour chaque prouvette, et la moyenne arithmtique des rsultats pour c

2、haque stade de rcupration dpaisseur. 2 ISO 34164986 (FI Annexe Appareil de charge statique (Cette annexe fait partie intgrante de la norme.) Un appareil de charge statique, rpondant aux caractristiques spcifies en 4.3, est bas sur un systme de levier, comme illustr par la figure ci-dessous. Dans cet

3、 appareil, A est un point fixe pivotant et le levier des charges est prolong vers larrire, de manire quun contrepoids C tablisse lquilibre avec le poids du levier. B est un guide obligeant le pied presseur circulaire P se dplacer verticalement et appliquer la charge sur lprouvette S. Le rapport V/X est choisi de telle sorte que la masse m exerce une pression de 700 kPa sur le pied presseur ayant une surface de A mm2 : m =7A x xx IO-*kg Y y 3 Page blanche Page blanche Page blanche

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