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ASTM D2925-01(2007)e1

Historical Reaffirmation

Standard Test Method for Beam Deflection of “Fiberglass” (Glass-Fiber-Reinforced Thermosetting Resin) Pipe Under Full Bore Flow

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1.1 This test method covers measurement of the deflection as a function of time of a specimen of fiberglass pipe supported on a flat non-arced support as a simple beam under full bore flow of water at elevated temperatures. Both glass-fiber-reinforced thermosetting-resin pipe (RTRP) and glass-fiber-reinforced polymer mortar pipe (RPMP) are fiberglass pipes.

Note 1—For the purposes of this standard, polymer does not include natural polymers.

1.2 This test method can be used to determine deflection at varying conditions by substituting other test media.

1.3 Deflections observed using this test method are representative only of piping supported as a simple beam under full bore flow which has one diameter of pipe overhanging at each support.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

Note 2—There is no known ISO equivalent to this standard.

1.5 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.


In the absence of deflection measurements from actual installed-above-ground piping, this test method may be used to evaluate the influence of span length on mid-span deflections at differing temperatures under full bore flow.

Note 3—A flat bearing area, small contact area, and narrow bearing width may induce high localized support interaction stresses, and constraints imposed by the supports may also adversely influence deflections and performance of the pipe.

SDO ASTM: ASTM International
Document Number D2925
Publication Date March 1, 2007
Language en - English
Page Count 4
Revision Level 01(2007)e1
Supercedes
Committee D20.23
Publish Date Document Id Type View
Sept. 1, 2024 D2925-24 Revision
Aug. 1, 2014 D2925-14 Revision
June 10, 2001 D2925-01 Revision
Aug. 1, 2019 D2925-14R19 Reaffirmation
March 1, 2007 D2925-01R07E01 Reaffirmation
June 10, 2001 D2925-95R00E01 Reaffirmation