线路力学计算(090901)

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123456711#～12# 孤立档参数计算和校核杆塔编号11#12#备注塔基高程Z0(m)59.159.7杆塔呼高h0(m)10.010.0悬点高程Z(m)69.169.7悬点高差hd(m)0.60档距 L i (m)57.0cosφi0.9999Li /cosφi57.00sinφi0.0105水平档距Lh(m)28.528.5水平导线P(N)267267荷载地线P(N)110110 导线垂直最高气温27.729.3档距计算覆冰有风27.629.4最低气温27.729.3导线垂直档Lv max27.729.4距mLv min27.629.3导线垂直最高气温199.1210.6荷载计算覆冰有风295.4315.2最低气温198.8211.0导线垂直G max315.2315.2荷载NG min198.8210.6地线垂直档最高气温27.1029.91距计算覆冰有风26.8430.16最低气温26.30.36地线垂直档Lv max27.1030.36距Lv min26.29.91地线垂直最高气温78.3986.52荷载计算覆冰有风130.11146.21最低气温77.0787.84地线垂直G max130.11146.21荷载G min77.0786.52导线耐张串悬垂角θ21.19°22.23°√跨越穿越被跨穿物高(m)96.0120.0与低杆距X(m)20.020.0弧垂fmax(m)2.853最大弧垂跨(穿)越弧垂fmin(m)2.558最小弧垂校验低杆悬点高(m)69.1hd/Li * X (m)0.2110.211该处导线高(m)66.457最大弧垂该处导线高(m)74.753最小弧垂线物跨越距(m)-29.3查规程线物穿越距(m)45.247查规程导/地线实际间距=6.313m间距校验规定间距=1.684m√导线防λmax/2=3.933m震锤安λmin/2=0.478mVmax=4.0m/sS1=0.426mS2=0.860m地线防装距离λmax/2=1.469m震锤安装距离

10♠导\\地线比载组合自重比载(N/m.mm2)g1冰重g2导线0.03407900.0156956地线0.07787250.0477677♥导线耐张绝缘子串荷重及比载组合自重荷重(N)Gj1垂直总Gj3比载569.6650.0gj1gj3(N/m.mm2)1.20332141.3732118♣导线的状态方程：竣工状态（两侧有绝缘子串）时：A＝σm-E*gm^2*L^2*cB＝E*gn^2*L^2*cosφ^Kzm/Kzn＝1+(2*λ*cos已知竣工工况，求紧线观测时（一A＝σm-E*gm^2*L^2*cB＝E*gn^2*L^2*cosφ^K1n＝1+(λ*cosφ/L)^2♦ 导线控制工况(m)竣工状况（两侧有绝缘子串）时，不同工况下导线其它控制条件最低气温t=40-20g=0.0340760.0340790gj=1.203321431.2033214σ=5.7006.030Kzm/Kzn=2.1958052.195805A=-715.534B=26232.9024弧垂fmax=3.097m2.784张力Tmax=1749 N1272跨越点弧垂fx计算2.580♠地线应力计算：地线控制工况(m)地线其它控制条件最低气温t=40-20g=0.077872460.0778725σ=10.40011.267A=-480.16194B=62380.3247弧垂fmax=3.041m2.807张力Tmax=682 N419穿越点弧垂fx计算2.558地线防震锤安装距离λmin/2=0.176mS1=0.158mVmax=4.0m/sS2=0.318m♥竣工工况（两侧有绝缘子串）时的导线弧垂：导线竣工(无冰无风)t=g=gj=σ=Kzm/Kzn=A=B=弧垂f=150.03407571.2033214255.8312.195808340℃35℃30℃25℃ 使用说明： 1、输入孤立档基本参数； 2、选定孤、点击“计算1”，检查本表左侧各校验项，如果不合5、计算弧垂曲线； 6、调整图表坐标刻度与实际值相导20℃15℃10℃5.7002.195805-801.71426232.9022.9455.7252.195805-794.53226232.9022.9325.7512.195805-787.35126232.9022.9185.7772.195805-780.16926232.9022.9055.8042.195805-772.98726232.9022.25.8312.195805-765.80626232.9022.8795.8582.195805-758.62426232.9022.865♣紧线工况（一侧有绝缘子串）时的导线弧垂：导线竣工(无冰无风)t=g=gj=σ=A=B=弧垂f=150.03407571.2033214255.830796940℃35℃30℃25℃20℃15℃10℃导线4.8521.22-801.714188.13.15.8741.22-794.532188.13.1424.61.22-787.351188.13.1284.9181.22-780.169188.13.1144.9411.22-772.987188.13.0994.91.22-765.806188.13.08.9871.22-758.624188.13.071Kzm/K1n=2.1958083♠地线弧垂：t=g=σ=A=B=弧垂f=地线无冰无风15°150.07787245610.7363621440℃35℃30℃25℃20℃15℃10℃10.400-566.34162380.3253.04110.465-559.16062380.3253.02210.531-551.97862380.3253.00310.598-4.79662380.3252.98410.667-537.61562380.3252.96510.736-530.43362380.3252.94610.808-523.25262380.3252.926本孤立档导线竣工弧垂曲线弧垂fD（m）3.0 2.9 2.8 2.7 -40℃-35℃-30℃-25℃-20℃-15℃-10℃-5℃0导线竣工弧锤曲线本孤立档导线施工紧线弧垂3.5 3.4 弧垂fD（m）3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 -40℃-35℃-30℃-25℃-20℃-15℃-10℃-5℃0导线紧线施工弧垂曲线本孤立档地线安装弧垂曲3.5 3.4 弧垂fD（m）3.3 3.2 3.1 3.0 3.0 2.9 2.8 2.7 2.6 2.5 -40℃-35℃-30℃-25℃-20℃-15℃-10℃-5℃0地线安装弧垂曲线11121314151617181920垂直总g3g4(10)无冰风压g4(15)30覆冰风压g4(30)g5g6(10)无冰有风g6(15)覆冰有风g6(30)g70.04977460.00658210.01480970.04442910.01006840.03470880.03715780.05599390.05078270.125010.013960.03473910.10421720.03523390.07938830.08526970.13009750.1304871子串荷重及比载无冰风压无冰有风覆冰风压覆冰有风耐张串长λ(m)=GJ4(10)GJ4(30)Gj5Gj6(10)Gj6(30)Gj7悬垂串长λ'(m)=10.9298.3014.52569.67577.99650.14悬点'高差h'(m)=gj4(10)gj4(30)gj5gj6(10)gj6(30)gj7耐张串λ0(m)=0.02307610.20768070.03068391.203271.22111171.37356导线档距L1(m)=2.2442.1008.0002.24452.51σn3－Aσn2－B＝0弹模E=7.60E+04线胀α=1.E-05绝缘子串）时：L^2*cosφ^3*Kzm/(24*σm^2)-α*E*cosφ*(tn-tm)cosφ^3*Kzn/24 （已知工况m，待求工况n）*cosφ/L)^2*(gj/g-1)*(3+2*λ*cosφ/L*gj/g-4*λ*cosφ/L)时（一侧有绝缘子串）工况：L^2*cosφ^3*Kzm/(24*σm^2)-α*E*cosφ*(tn-tm)cosφ^3*K1n/24 （已知竣工工况m，待求紧线工况n）/L)^2*(gj/g-1)*(6+4*λ*cosφ/L*(gj/g-2)-3*(λ*cosφ/L)^2*(gj/g-1))侧有绝缘子串）时，不同工况下的导线应力计算：计算导线其它工况(n)下应力最大风速-50.05599391.22111178.2901.588107400.03407901.20332145.7002.195805-50.05078271.373568.0121.802812年均气温150.03407901.20332145.8312.195805最高气温覆冰有风覆冰无风-50.04977461.37321187.9051.826503无冰无风150.03407901.20332145.8312.195805导线其它控制条件调整该应力值，使孤立档0.034076满足弧垂控制1.20332143条件、或导线55.70070张力或其它要求。40最高气温-765.80665-801.71466-737.08025-737.08025-737.08025-765.8066526232.902426232.902451220.231147825.7662469.584526232.90242.87912302.6682.94512022.7293.09717492.8532.99016902.7612.97916672.7512.87912302.668[σm]=115.868[σpj]=72.417计算地线其它工况(n)下应力年均气温150.077872510.736最高气温400.077872510.400最大风速-50.130097518.298覆冰有风-50.130487118.352覆冰无风-50.1250117.682无冰无风150.077872510.736地线其它控制条件调整该应力值，使孤立档0.07787246满足弧垂控制1010.40040条件、或地线张力或与导线配合要40最高气温-530.43316-566.34117-501.70675-501.70675-501.70675-530.4331662380.324762380.3247174107.76175151.9020162381.568062380.32472.9463992.6843.0413862.7712.8886802.6312.8886822.6312.8866572.6292.9463992.684[σm]=323.790[σpj]=292.221、输入孤立档基本参数； 2、选定孤立档的控制条件：正常应力、弧垂、张力等，具体操作见相应的批注； 3，检查本表左侧各校验项，如果不合要求，则调整应力； 4、根据导线情况选定地线应力，计算，并注意左侧校验项；； 6、调整图表坐标刻度与实际值相适应。导线竣工弧垂曲线(供竣工验收用)5℃0℃-5℃-10℃-15℃-20℃-25℃-30℃-35℃-40℃5.8862.195805-751.44326232.9022.8525.9142.195805-744.26126232.9022.8385.9422.195805-737.07926232.9022.8255.9712.195805-729.826232.9022.8116.0002.195805-722.71626232.9022.7976.0302.195805-715.53526232.9022.7846.0602.195805-708.35326232.9022.7706.0902.195805-701.17126232.9022.7566.1212.195805-693.99026232.9022.7426.1532.195805-686.80826232.9022.728导线紧线观测弧垂曲线(供施工紧线用)5℃0℃-5℃-10℃-15℃-20℃-25℃-30℃-35℃-40℃5.0101.22-751.443188.13.0565.0341.22-744.261188.13.0425.0581.22-737.079188.13.0275.0831.22-729.8188.13.0135.1081.22-722.716188.12.9985.1331.22-715.535188.12.9835.1591.22-708.353188.12.9685.1851.22-701.171188.12.9535.2111.22-693.990188.12.9385.2381.22-686.808188.12.923地线施工弧垂曲线5℃0℃-5℃-10℃11.107-494.52562380.3252.847-15℃11.186-487.34462380.3252.827-20℃11.267-480.16262380.3252.807-25℃11.349-472.98062380.3252.787-30℃11.433-465.79962380.3252.766-35℃11.519-458.61762380.3252.746-40℃10.880-516.07062380.3252.90710.9-508.88862380.3252.88711.030-501.70762380.3252.86711.607-451.43662380.3252.725垂曲线图表（未考虑初伸长）0℃5℃10℃15℃20℃25℃30℃35℃40℃架线气温℃线弧垂曲线图表（未考虑初伸长）0℃5℃10℃15℃20℃25℃30℃35℃架线气温℃40℃弧垂曲线图表（未考虑初伸长）0℃5℃10℃15℃20℃25℃30℃35℃架线气温℃40℃21交叉跨越校验距离--规范摘录

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