Resumen
The principle of the method specified is vertically compressing a length of pipe supported horizontally between two parallel flat plates moved at a constant speed which is dependent upon the diameter of the pipe, measuring the force and the deflection, plotting the force versus deflection, and calculating the ring stiffness as a function of the force necessary to produce a deflection of 0,03 nominal diameter diametrically across the pipe. Applies to pipes having a circular cross-section.
Informaciones generales
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Estado: RetiradaFecha de publicación: 1994-02Etapa: Retirada de la Norma Internacional [95.99]
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Edición: 1Número de páginas: 5
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Comité Técnico :ISO/TC 138/SC 5ICS :23.040.20
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Ciclo de vida
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Ahora
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Revisada por
RetiradaISO 9969:2007