预应力筋张拉伸长值计算表1

钢绞线的公每束钢绞线每束钢绞线截面控制张拉力张拉控制应力钢束称面积Ap面积A=n×ApF=δ×A/1000油表读数油表读数油表读数数量nδ（MPa）编号y=0.021705F*0.1y=0.021705F*0.2y=0.021705F-（KN）（根）（mm2）（mm2）-0.99528 (MPa)-0.99528 (MPa)0.99528 (MPa)N1N2N3N414014014014077759809809807001388.9261389.6921391.6271393.0141361.151361.901363.79975.111.961.961.961.124.914.924.923.2428.5528.5628.6120.1710%张拉20%张拉100%张拉备注YCQ250Q型压力表号为1145钢绞线的公每束钢绞线每束钢绞线截面控制张拉力张拉控制应力钢束称面积Ap面积A=n×ApF=δ×A/1000油表读数油表读数油表读数数量nδ（MPa）编号y=0.021705F*0.1y=0.021705F*0.2y=0.021705F-（KN）（根）（mm2）（mm2）-0.99528 (MPa)-0.99528 (MPa)0.99528 (MPa)N1N2N3N414014014014099971260126012609801389.5311390.0931391.8671391.7511750.811751.521753.751363.922.802.812.811.976.606.616.624.9337.0137.0237.0728.6110%张拉20%张拉100%张拉备注YCQ250Q型压力表号为1145钢绞线的公每束钢绞线每束钢绞线截面控制张拉力张拉控制应力钢束称面积Ap油表读数油表读数油表读数面积A=n×ApF=δ×A/1000数量nδ（MPa）编号2y=0.021731F*0.1y=0.021731F*0.2y=0.021731F+1.1（KN）（根）（mm2）（mm）+1.144249 (MPa)+1.144249(MPa)44249 (MPa)N1N2N3N414014014014077759809809807001388.9261389.6921391.6271393.0141361.151361.901363.79975.114.104.104.113.267.067.067.075.3830.7230.7430.7822.3310%张拉20%张拉100%张拉备注YCQ250Q型压力表号为1538钢绞线的公每束钢绞线每束钢绞线截面控制张拉力张拉控制应力钢束称面积Ap油表读数油表读数油表读数面积A=n×ApF=δ×A/1000数量nδ（MPa）编号y=0.021731F*0.1y=0.021731F*0.2y=0.021731F+1.1（KN）（mm2）（根）（mm2）+1.144249 (MPa)+1.144249(MPa)44249 (MPa)N1N2N3N414014014014099971260126012609801389.5311390.0931391.8671391.7511750.811751.521753.751363.924.954.954.964.118.758.768.777.0739.1939.2139.2630.7810%张拉20%张拉100%张拉备注YCQ250Q型压力表号为1538钢绞线的公每束钢绞线每束钢绞线截面钢束称面积Ap面积A=n×Ap张拉控制应力数量nδ（MPa）编号（根）（mm2）（mm2）N1N2N3140140140555700700700139513951395单根控制张10%张拉20%张拉拉力F=δ×油表读数油表读数A/n/1000y=0.208611F*0.1y=0.208611F*0.2（KN）-0.28824(MPa)-0.28824(MPa)195.30195.30195.303.793.793.797.867.867.86100%张拉油表读数y=0.208611F-0.28824(MPa)40.4540.4540.45备注200KN型压力表号为6828钢绞线的公每束钢绞线每束钢绞线截面控制张拉力张拉控制应力钢束称面积Ap面积A=n×ApF=δ×A/1000油表读数油表读数油表读数数量nδ（MPa）编号y=0.021705F*0.1y=0.021705F*0.2y=0.021705F-（KN）（根）（mm2）（mm2）-0.99528 (MPa)-0.99528 (MPa)0.99528 (MPa)N1N2N3N414014014014099971260126012609801390.6451389.6921391.6271393.0141752.211751.011753.451365.152.812.812.811.976.616.616.624.9337.0437.0137.0628.6410%张拉20%张拉100%张拉备注YCQ250Q型压力表号为1145钢绞线的公每束钢绞线每束钢绞线截面控制张拉力张拉控制应力钢束称面积Ap油表读数油表读数油表读数面积A=n×ApF=δ×A/1000数量nδ（MPa）编号2y=0.021731F*0.1y=0.021731F*0.2y=0.021731F+1.12（KN）（mm）（根）（mm）+1.144249 (MPa)+1.144249(MPa)44249 (MPa)N1N2N3N414014014014099971260126012609801390.6451389.6921391.6271393.0141752.211751.011753.451365.154.954.954.954.118.768.758.777.0839.2239.2039.2530.8110%张拉20%张拉100%张拉备注YCQ250Q型压力表号为1538