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更新時(shí)間:2025.04.20
預(yù)應(yīng)力鋼絞線伸長(zhǎng)量計(jì)算表

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15%張拉 30%張拉 100%張拉 油表讀數(shù) Y=0.03080F*0.15- 0.1686(MPa) 油表讀數(shù) Y=0.03080F*0.3- 0.1686(MPa) 油表讀數(shù) Y=0.03080F- 0.1686(MPa) N1 140 4 560 1395 781.20 3.44 7.05 23.89 N2 140 4 560 1395 781.20 3.44 7.05 23.89 N3 140 3 420 1395 585.90 2.54 5.25 17.88 15%張拉 30%張拉 100%張拉 油表讀數(shù) Y=0.03080F*0.15- 0.1686(MPa) 油表讀數(shù) Y=0.03080F*0.3- 0.1686(MPa) 油表讀數(shù) Y=0.03080F- 0.1686(MPa) N1 140 5 700 1395 976.50 4.34 8.85 29.91 N2 140

預(yù)應(yīng)力鋼絞線國(guó)標(biāo)

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Structure Nominal Dia. (mm) Tolerance( mm) Cross section area (Sn/mm2) Re.mas s per 1m (g/m) Tensile Strength Not less than (Rm/Mpa) Yield Strength Not less than (Fp 0.2/ Mpa) (Lo≥500mm)A gt Elongation at max load Not less than (﹪) Intial load to ﹪of nominal max load Not more than ( ﹪) The relaxation at 1000h (r/﹪) 1770 1590 1860 1670 1470 1570 1720 1860 1960 1720 1860 1960 3.5

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