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Standard Test Method for Long-Term Ring-Bending Strain of “Fiberglass” (Glass-Fiber-Reinforced Thermosetting-Resin) Pipe
Automaticky preložený názov:
Štandardná skúšobná metóda pre Long-Term Ring ohýbanie kmeňa & ldquo; CSF-rdquo; (Sklenými vláknami vystužený Teplom-živice) Pipe
NORMA vydaná dňa 1.4.2012
Označenie normy: ASTM D5365-12
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.4.2012
Kód tovaru: NS-30896
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
constant load, deflection, end point, fiberglass pipe, pipe-ring specimens, regression line, ring-bending strain , Constant load, Deflection--plastics, Endpoint analysis, Glass-fiber-reinforced (GRP) plastics, Least squares calculation, Loading tests--plastics, Pipe-ring specimens, Regression analysis, Ring-bending strain, Strain testing--plastics, ICS Number Code 23.040.20 (Plastic pipes)
Significance and Use | ||||||
This test method determines the long-term ring-bending strain of pipe when deflected under constant load and immersed in a chemical environment. It has been found that effects of chemical environments can be accelerated by strain induced by deflection. This information is useful and necessary for the design and application of buried fiberglass pipe. Note 3—Pipe of the same diameter but of different wall thicknesses will develop different strains with the same deflection. Also, pipes having the same wall thickness but different constructions making up the wall may develop different strains with the same deflection. |
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1. Scope | ||||||
1.1 This test method covers a procedure for determining the long-term ring-bending strain (Sb) of “fiberglass” pipe. Both glass-fiber-reinforced thermosetting-resin pipe (RTRP) and glass-fiber-reinforced polymer mortar pipe (RPMP) are “fiberglass” pipes. 1.2 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. A specific warning statement is given in 9.5. Note 1—There is no known ISO equivalent to this standard. |
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2. Referenced Documents | ||||||
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