主线桥第五联左幅张拉预应力钢束理论伸长值计算表

主线桥第五联左张幅拉应力钢预理论伸束长值算计表束

号竖向度弧竖向角度线路面

平面弧度

平成弧度θ合 μθ=TAANSQR(T (AN(T向弧竖 度)*TAN竖( 向 =弧.25*0θ度) +ANT(平面 弧)*TAN(度平面弧度 ))

)线长度段(cm) 公式

圆弧[分部：= 弧l长/00] 6直线[部： 分0]圆[部弧分 =:/R]L =L*0.10 =/L*001.R' [/直线分部 (R:±h) 0]

L

213 4 6 57 8 10 191 1 12 13 15416 17 18 19 0 0.18556 500.1 855650 0.1 8556 500 .518565 00 15.6855 00.18555 060. 15658 5 001.8565 50 00 0.58165 0 5.15805560 0. 1865550 .0518655 0.158065 50 0.5168550 0 1586.5 05 0.186555 0 0 1.26924 000.3966375 0 0.0966375 300 0.369376 0 50.039667530 0.0 9366357 0.00963635 07 .009366735 00.093667530

01N(615-31)∑ 注:、1定固端浇在灌砼中长度为5.95cm张拉端考,虑2.5cm;755.0009 692.830 953193.2 84.0224 9159. 313064.07 9516.93 028.422 4915.3 9049.667 951.9302 08.242 954.193 3046.0176 59193.2 80.2424 91593.724 .833 025 76166360.32、伸值长精的确算计与近法计算似相法差量很，小实际计时采用近算计似完算满全足度要精。求

主线桥第五联左幅张拉预应力钢束理论伸长值

注:1、固定端浇灌在砼中长度为59.5cm,张拉端考虑27.5cm;

2、伸长值的精确计算法与近似计算法相差量很小，实际计算时采用近似计算完全满足精度要求。

束理论伸长钢计值算表线段前端 近应法计似算 线后段应 精端计算确 力σ 伸长量伸备 注力σ (lpaM 长)(量mm) (mm) cn(opM)aó =K*=.001*L =0e-μ( +kxθ)= 段线前段后=σc no*端应e (μθ力+xk )(=1σ+ ((1σ- ceo)/n*L2/Eg k+) )x/(k+x θμ))kL/*19050*0 (μθ

-x

ek-(μ+kθx)0.003831640. 0011242 0.00230157 0.0001413220. 1055568 2000.11232 0400.25100 0.07110432 20.10805285 .000142312 0002.50170 00.104231 2.0015562850.0 01142320 .0052010 70001.123420 008697.64 .0003030.91920827 09600152.90.997 0250 60960.150290 9844.66630.960 052190 .97905260 0.60915092 09.8293034 .09601059 0.297590260 .90600129 0.58944666 03.6901529 0.09950270 06.9601529 009.139008 0.999470056

094.0374299 896.74643 9887.49686 0100.13635 1016.43909 14809.72739 192.70022 14183.213731 51.6033 1169.560839 121.05168 2215160.69612 713.55 4124.307354 317262.37 8312.8991411 9531406. 92590 939.191498 49.072394 9869.467437 98.894686 1030.13650 1041.63904910 98.9273 7091270.2421138 213.7 115306363 .198.51063 91021.65128 12516.0966 1271.354 1534.230475 31276.328713 2.989141 401629.59

3350.704494 .7814371 18.5059860 4.92775802869 .64128465.2 31801 1156645.672 544456.613 5308.449665 .7323237 11.82624603 598697.85 64.83593503 6.3343476 94.172318436 .6510101151 62.6734 31.93242888 883.579652浇灌砼中在 0 固定端的 33.057244 4.71299739 4105.6958264 .92281776 9.6628472 5.412435953 116.64537 2.45452318 5730.89968 7弯部分竖 57.4327701 28.66274 .58798079 548.963587 9.63531636714.17 325656 .166089151. 267688 91.9834228 张8拉端 838.684132

伸长值计算表

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