1、東北電力大學(xué)畢業(yè)設(shè)計論文設(shè)計題目：長吉單回路送電線路新建工程學(xué)院：建筑工程學(xué)院班級：土木043班姓名：指導(dǎo)教師：500KV吉長送電線路工程第一耐張段總?cè)蝿?wù)書設(shè)計摘要第一章架空線力學(xué)計算及排塔定位第一節(jié)導(dǎo)線的力學(xué)計算4-16第二節(jié)地線的力學(xué)計算16-28第三節(jié)排塔定位29-42第二章架空線金具設(shè)計第一節(jié)確定防震措施，繪制防震錘安裝圖43-45第二節(jié)選擇線路金具，繪制絕緣子串組裝圖45-47第三章電氣設(shè)計48-54第四章桿塔結(jié)構(gòu)設(shè)計第一節(jié)桿塔荷載計算54-63第二節(jié)斷線張力荷載計算63第三節(jié)安裝荷載計算63-66第四節(jié)荷載組合66-67第五節(jié)sap2000內(nèi)力分析及內(nèi)力驗算67-70第五章基礎(chǔ)設(shè)計

2、71-77SAP2000內(nèi)力分析結(jié)果設(shè)計總結(jié)讀書筆記英文翻譯附錄附錄一導(dǎo)線應(yīng)力弧垂曲線附錄二地線應(yīng)力弧垂曲線附錄三導(dǎo)線安裝曲線附錄四地線安裝曲線附錄五桿塔風(fēng)荷載計算分段圖參考文獻1、架空送電線路技術(shù)規(guī)程SDJ3-792、架空電力線路設(shè)計王力中編3、桿塔結(jié)構(gòu)及基礎(chǔ)劉樹堂編4、高壓架空送電線路設(shè)計手冊（第二版）東北電力學(xué)院編5、線路電器技術(shù)陳化鋼編6、建筑結(jié)構(gòu)荷載規(guī)范GB50009-20017、高壓架空送電線路技術(shù)機械計算周振山編8、建筑結(jié)構(gòu)制圖標準GB/T50105-20019、架空送電線路施工孫傳坤編10、送電線路金具設(shè)計程應(yīng)鐲編11、線路運行與檢修1000問山西省電力公晉城送電分公司編第一章

3、架空線力學(xué)計算及排塔定位第一節(jié)導(dǎo)線的力學(xué)計算一、設(shè)計資料查詢，選擇導(dǎo)線型號1、耐張段總長6000m高差350m經(jīng)過第七氣象區(qū)。2、根據(jù)架空送電線路設(shè)計第8頁，500kv送電線路可不驗算電暈的導(dǎo)線最小外徑為2W6.24、326.82、4乂21.6,本設(shè)計采用四分裂導(dǎo)線，選擇導(dǎo)線型號為LGJ240/30O由架空送電線路設(shè)計第245頁查得所選的導(dǎo)線(LGJ240/30)相關(guān)數(shù)據(jù)如下：導(dǎo)線面積A=275.96mm2,導(dǎo)線直徑d=21.6mm,計算拉斷力P=75620N,單位長度質(zhì)量G0=922.2kg/km,由第47頁查得LGJ240/30導(dǎo)線的最終彈性系數(shù)E=73000N/mm2,線膨脹系數(shù)a=19

4、.6勺0七/C。3、由架空送電線路設(shè)計第45頁查得第七氣象區(qū)的資料如表1-1:表1-1第七氣象區(qū)資料表氣象類型最大風(fēng)速最低氣溫年平均氣溫最大覆冰溫度(C)-5-40-5-5風(fēng)速(m/s)300010最高氣溫內(nèi)過電壓外過電壓安裝事故40-515P-15-20015101010覆冰厚度為b=10mm二、計算導(dǎo)線比載1、導(dǎo)線的最大使用應(yīng)力及平均應(yīng)力上限計算導(dǎo)線的破壞應(yīng)力=旦=I%?。=274.03N/mm2。A275.96取導(dǎo)線的設(shè)計安全系數(shù)為k=2.5,則導(dǎo)線的最大使用應(yīng)力為Cp274.032fax=109.61N/mm2。maxk2.5取平均應(yīng)力上限安全系數(shù)k=4,則導(dǎo)線的平均應(yīng)力上限為:274

5、.032=68.51N/mm42、導(dǎo)線的比載計算自重比載g1g19.8G0010=9.8922.210；=32.7510；N/m-mm2275.96冰重比載g2b(b+d)g2=27.73A310乂(10+216)33210=27.7310=31.7510N/m-mm275.96垂直總比載g33332g3胡1g2=32.751031.7510=64.5010N/m-mm風(fēng)壓比載g4_.2g4=0.6125sin200：其中/為風(fēng)速不均勻系數(shù)，c為風(fēng)載體型系數(shù)。6當(dāng)v=30m/s時，af=0.61,c=1.1,則_2-_-2二匚cd、20611121630og4(030)=0.6125sin21

6、0=0.6125110A275.96=28.9510$N/m-mm2當(dāng)v=15m/s時，af=0.75,c=1.1,則.2二Fcd、.2g4(o,15)=0.6125sinA.32=8.9010N/m-mm230.751.121.6152275.96當(dāng)v=10m/s時，aF=1.0,c=1.1,則u10=0.6125110-2-Fcd.2g4(010)=0.6125sinA3.,2=5.2710N/mmm311.121.6102;102.6125110275.96覆冰時的風(fēng)壓比載g5覆冰時的風(fēng)速為Vb=10m/s,af=1.0,c=1.2,貝Un_C7：F(d2b)b23_h1.0(21.62

7、0)1023g5(1010)0.735100.735小10A275.96=11.0810，N/m-mm2有冰無風(fēng)時的綜合比載g622一一2一一一2一._J3一一一296(0,30)=1,91+g4(0,30)=J32.75+28.950=43.7U10N/mmmg6(0,15)2+g24(0,15)=J32.752+8.902x10抵=33.94X10%/mmm2g6(0,10)=02+g24(0,1。)=J32.752+5.272其10“=33.17K1N/m-mm2(6)有冰有風(fēng)時的綜合比載g7g7=jg32g%=(64.5211.08210=65.4410N/m-mm2三、計算臨界檔距，

8、判斷控制氣象1、計算臨界檔距可能出現(xiàn)最大應(yīng)力的氣象條件有：最低氣溫、年平均氣溫、最大覆冰、最大風(fēng)速，它們對應(yīng)的比載與應(yīng)力的比值計算如下：3a最低氣溫:（-）=0.2995七tmirl=Y0C;-ma/109.613b年平均氣溫：（塵）=0.478x10,t平=-5：C;。平68.51c最大覆冰:/g765.4410；()=、-max109.61=0.597勺0七tb=-5C;最大風(fēng)速：（些!）-max437110q=0.39910,tf=-5C。109.61ab24平max(68.51-109.61)+24F9.6乂10業(yè)乂(-5+40)73000-32.32(0.47810)-(0.2991

9、0)=145.69m彖（tb-孺）Lac=max,22,g7gF09.612419.610”(-540)(65.4410遛)2-(32.7510)2=248.24mI，一：-ad-max2419.610-6(-540)22Sf)Tog,(43.7110)-(32.7510)22g6-gi=485.84m24,、,、Emax-。平)+24X(折-t平)124一、_lr(109.6168.51)+219.10乂(-5+5)里）2_（塵）2心max心平_73000(0.59710；)2一(0.47810)2=325.0m24,、24E(max一。平)*240,故lbd是第二個有效臨界檔距。緊接著對第

10、二個代表檔距的第二個下標d對應(yīng)d欄進行判別，由丁d欄中有一個零值，故淘汰此欄。因此，有兩個代表檔距，它們是lab=145.96和lbd=325。當(dāng)實際檔距l(xiāng)lab=145.69時，控制氣象為a-最低氣溫；當(dāng)實際檔距l(xiāng)ab=145.69llbd=325時，控制氣象為c-最大覆冰，如表1-3所示：表1-3導(dǎo)線的檔距與控制氣象關(guān)系表最低氣溫年平均氣溫最大覆冰145.69m325m三、繪制導(dǎo)線的應(yīng)力弧垂曲線1、各氣象類型對應(yīng)的比載及溫度如表1-4所示;表1-4氣象類型與及其對應(yīng)的比載溫度表氣象類型風(fēng)速(m/s)溫度(C)覆冰厚度(mm比載(N/m-m命最高氣溫0400g1最低氣溫0-400g1年平均氣

11、溫0-50g1最大覆冰10-510g7最大風(fēng)速30-50g6(0,30)內(nèi)過電15-50g6(0,15)2|2字卜-0壓外過電壓10150g6(0,10)安裝10-150g6(0,10)事故0-200g12、以控制氣象為第一狀態(tài)，待求狀態(tài)為第二狀態(tài)，將第一狀態(tài)與第二狀態(tài)所對應(yīng)的數(shù)據(jù)分別代入狀態(tài)方程式:二一0-24七(1-1)Egl2Egl2其中令A(yù)oI2-Ea(t。-1。,B=，則式(1-1)24二0一24一o可簡化為。玨3-AO02-B=0。以年平均氣溫為第一狀態(tài)，最大覆冰為第二狀態(tài)為例，運用迭代法編得C程序如下：main()(floatl,g1=0.03275,f,g2=0.06544,A

12、,B,t1=-5,t2=-5,c=68.51,x,x1,x0,dx;scanf(%f,&l);A=c-(73000*g1*g1*l*l)/(24*c*c)-73000*0.0000196*(t2-t1);B=73000*g2*g2*l*l/24;printf(f,%f,A,B);x0=1.0;dodx=(x0*x0*x0-A*x0*x0-B)/(3*x0*x0-2*A*x0);x1=x0;x0=x0-dx;while(x0!=x1);printf(nc=%fn,x0);f=(g2*l*l)/(8*x0);printf(f=%f,f);每隔50n利用以上程序，分別求得表1-4中九中氣象類型下的應(yīng)

13、力和弧垂，見表1-5:表1-5地線的應(yīng)力弧垂曲線數(shù)據(jù)表比載單位：xioN/m-mrm溫度單位：。C應(yīng)力單位：N/mrn弧垂單位m控制氣象低溫平氣最氣年均溫最大覆冰檔最高氣溫最低氣溫最大覆冰年平均氣溫9=32.75t=40g1=32.75t=-40G=65.44t=-5g1=32.75t=-5距(Tf(Tf(Tf(Tf5018.440.55109.610.0966.270.3161.040.1710029.621.38109.610.3778.151.0564.630.63145.6937.812.30109.600.7988.811.9668.511.2715038.362.40109.110

14、.8489.482.0668.511.3420043.933.73103.071.5796.573.3968.512.3925048.255.3096.872.64102.524.9968.513.7330051.657.1391.284.04107.466.8568.515.3832553.078.1588.844.87109.617.8868.516.3135053.279.4183.795.98109.619.1466.687.5240053.5812.2276.188.60109.6111.9463.9210.2545053.8115.4071.0411.67109.6115.1161

15、.9913.3750053.9918.9667.5215.16109.6118.6660.6116.8955054.1322.8865.0419.04109.6122.5859.5920.7860054.2327.1763.2223.31109.6126.8758.8225.0665054.3231.8461.8627.96109.6131.5358.2329.71控檔最大風(fēng)速內(nèi)過電壓外過電壓安裝制g6(0,30)=43.71g6(0,15)=33.94g6(0,10)=33.17g6(0,10)=33.17氣t=-5t=-5t=15t=-15象距bfbfbfbf最低氣溫年平均氣溫最大覆冰50

16、62.560.2261.190.1736.510.2874.660.1410069.020.7965.090.6544.840.9276.800.54145.6975.431.5469.261.3051.711.7079.351.1115075.691.6269.291.3852.051.7979.191.1820078.462.7969.622.4455.522.9977.372.1425080.764.2369.893.7958.204.4575.793.4230082.605.9570.115.4560.276.1974.515.0132583.386.9270.2016.3861.12

17、7.1773.9815.9235082.198.1468.447.5960.438.4071.447.1140080.3110.8965.7610.3259.3811.1767.619.81450二78.9314.0263.89113.4558.6314.3264.9612.9250077.9117.5362.54116.9658.0717.8563.09116.4355077.1321.4361.5420.8557.6521.7661.7220.32600n76.5325.7060.7825.1357.3226.0460.6924.5965076.0530.3560.1929.7857.07

18、30.7059.9029.24控檔事故制g1=32.75氣t=-20象距(Tf最低5081.540.13氣溫10083.01一0.49年平145.6984.841.02均氣15084.5911.09溫20081.71一2.025079.113.2330076.9714.79最大32576.08H5.68覆冰35073.086.8640068.589.5545065.5012.6650063.3416.1655061.7720.0560060.6024.3265059.7028.973、繪制導(dǎo)線的應(yīng)力弧垂曲線圖，如圖1四、繪制導(dǎo)線的安裝曲線1、繪制安裝曲線時以檔距為橫坐標，弧垂和應(yīng)力為縱坐標，運

19、用程序（同應(yīng)力弧垂曲線程序）從最高施工氣溫至最低施工氣溫沒隔10。繪制一條弧垂和應(yīng)力曲線，程序計算數(shù)據(jù)如下表1-6:表1-6導(dǎo)線的安裝曲線數(shù)據(jù)表比載單位：x10N/m-mrm溫度單位：。C應(yīng)力單位：N/mrn弧垂單位：m控制氣象溫度40C30C20C10C檔距(Tf(Tf(Tf(Tf最低5018.440.5523.520.4431.370.3342.010.24氣溫10029.621.3834.361.1940.721.0148.960.84年平145.6937.812.3042.332.0548.021.8155.111.58均氣15038.362.4042.822.1548.421.905

20、5.361.66溫20043.933.7347.783.4352.423.1258.022.8225048.255.3051.594.9655.504.6160.084.2630051.657.1354.556.7557.876.3761.685.97最大32553.078.1555.787.7558.847.3562.336.94覆冰35053.279.4155.679.0158.368.5961.398.1740053.5812.2255.5011.8057.6211.3759.9410.9345053.8115.4055.3814.9757.0814.5258.9214.0750053.

21、9918.9655.2918.5156.6818.0658.1717.5955054.1322.8855.2222.4356.3821.9757.6021.5060054.2327.1755.1626.7256.1426.2557.1725.78控制氣象溫度0C-10C-20C-30C檔距(Tf(Tf(Tf(Tf最低氣溫年平均氣溫5054.450.1967.780.1581.540.1395.520.1110059.030.6970.530.5883.010.4996.120.43145.6963.691.3673.681.1884.851.0296.910.9015063.771.4473.

22、581.2584.591.0996.520.9520064.712.5372.612.2681.712.0091.921.7825065.483.9171.793.5679.113.2387.482.9230066.075.5871.135.1876.974.7983.674.40最大覆冰32566.316.5270.876.1076.085.6882.055.2735064.807.7468.687.3073.086.8678.106.4240062.5210.4865.3910.0268.589.5572.169.0845060.9213.6163.1113.1465.5012.6668.

23、1412.1750059.7617.1261.4816.6563.3416.1665.3415.6655058.9121.0260.2920.5461.7720.0563.3519.5560058.2525.3059.3924.8160.6024.3261.8723.82控制氣象溫度40C檔距(Tf最低50109.610.09氣溫100109.610.37年平145.69109.610.79均氣150109.110.84溫200103.071.5925096.872.6430091.284.04最大32588.844.87覆冰35083.795.9840076.188.6045071.0411

24、.6750067.5215.1655065.0419.0460063.2223.312、繪制導(dǎo)線的安裝曲線，如圖2第二節(jié)地線的力學(xué)計算一、設(shè)計資料，選擇地線型號1、根據(jù)架空輸電線路設(shè)計第9頁表1-5規(guī)定，500KV線路的地線采用鍍鋅鋼絞線時標稱截面不應(yīng)小丁70mm根據(jù)此規(guī)定選擇結(jié)構(gòu)形式1勺9、直徑11mm抗拉強度1270MPaA級鋅層的鋼絞線，標記為19-11.0-1270-A-YB/T5004-2001,所選擇的地線直徑d=11.0mmA=72.22mmG=60.12kg/hm=601.2kg/km,2o-P=1270N/mm2、由丁地線只有鋼線構(gòu)成，由架空輸電線路設(shè)計第46貞查得鋼線的彈性

25、系數(shù)E=200900N/mm線膨脹系數(shù)_6上:=11.5101/C二、計算地線比載1、地線的最大使用應(yīng)力及平均應(yīng)力上限計算：由丁地線采用鋼絞線，易腐蝕，其設(shè)計安全系數(shù)按規(guī)定應(yīng)比導(dǎo)線的設(shè)計安全系數(shù)大，取地線最大使用應(yīng)力的設(shè)計安全系數(shù)為3.02.5,年平均運行應(yīng)力的設(shè)計安全系數(shù)為5.04.0,即o平=20%bP。地線的最大使用應(yīng)力為：；P12702。=一-=423.33N/mm2;maxk3.0地線的平均運行應(yīng)力上限為：_-p1270一，2心平=254N/mm。552、地線的比載計算(1) 自重比載g1g19.8G0109.8601.233210=81.5810N/mmm72.22(2) 冰重比載

26、g2b(b+d)g2=27.73A頂1010+11)乙3210=27.7310=80.6310N/m-mm(3) 72.22垂直總比載g3_3_3_32g3=gg2=81.581080.6310=162.2110N/m-mm，其中af為風(fēng)速不均勻系(線徑17mm寸，c取1.2),(4) 風(fēng)壓比載g4g4=0.6125-Fcdvsin21010A數(shù)，c為風(fēng)載體型系數(shù)。d當(dāng)v=30m/s時，af=0.61,c=1.272.22-2上Fcd、2菖g4(030)=0.6125sin2u10A32=61.4610N/mmm-一20.611.21130=0.6125110.,2-Fcd2g4(0,15)=

27、0.6125sinA32=18.8910N/mmm當(dāng)v=15m/s時，af=0.75,c=1.2,則20.751.21115210=0.612511072.22O當(dāng)v=10m/s時，aF=1.0,c=1.2,則2偵11.211102曷10=0.612511072.22.2-Fcd2g4(010)=0.6125sinA.32=11.1910N/mmm(5) 覆冰時的風(fēng)壓比載g5覆冰時的風(fēng)速為Vb=10m/s,af=1.0,c=1.2,則22F（d2b）.b“51.0（1120）1072.22g5（10,10）=0.735k10=0.735x乂10=31.5510室N/m-mm2g6（0,30）=

28、如12-g24（0,30）有冰無風(fēng)時的綜合比載g6=項81.58261.46210=102.1410N/mmm2g6（0,15）=162+g24（0,15）=（81.582+18.892巧10室=83.7410N/mmm2g6（0,10）=92+g24（0,10）=J81.582+11.192乂1hBZ/IxION/mmm2(6)有冰有風(fēng)時的綜合比載g7g7=g32g25=162.21231.55210；=165.2510；N/m-mm2三、計算臨界檔距，判斷控制氣象1、計算臨界檔距可能出現(xiàn)最大應(yīng)力的氣象條件有：最低氣溫、年平均氣溫、最大覆冰、最大風(fēng)速，它們對應(yīng)的比載與應(yīng)力的比值計算如下：3a

29、最低氣溫:(1)=.=0.193x10i,tmin=-40C;-ma/423.33b年平均氣溫：(處)=81.58*10=0.321勺0七t平=-5：C;。平2543c最大覆冰：()=165.2510=0.390X10,tb=-5C;ma/423.33d最大風(fēng)速:96(0,30)102.1410()fax423.33=0.241k10七tf-5CLab24,后(偵平一fax)+2%(t平一tmin)24、A/x(254423.33)+24乂11.5乂10乂(5十40)200900(0.32仆10二)2(0.193x10凌)2Lac=一max2411.510-6(-540)，24&(tbtmin

30、)bmin-423.333232(165.2510)2-(81.5810)222g7一g1=289.52mLad24口(tf-頑)max2296-g1=423.332411.5乂10圣勺-5+40)(102.1410；)2-(81.5810；)2-676.98m24,、,、E(Smax一平)+2的(折一t平)里)2_(處)2CJI7,max平24、(423.33-254)2411.510(-55)200900-32-32(0.3910)-(0.32110)2=642.15m吃4maxE(。max-平)+24(tft平)g6、2/g1、2-max24200900(423.33-254)2411.

31、510(-55)(0.24110；)2-(0.32110心)2,如(tf-折)mc2c2g6一g7=423.332411.510(-55)22g6-g7=02、判斷控制氣象把最低氣溫（a）、年平均氣溫（b）、最大覆冰（c）和最大風(fēng)速（d）按比載與應(yīng)力的比值從小到大排歹0,制成表1-7,并將以上六個檔距填入下表：表1-7地線的臨界檔距判別表adbclad=676.98虛數(shù)lbd=642.15l36=虛數(shù)Lcd=0lab=289.52因a欄中有一虛數(shù)值，故淘汰a欄中的所有臨界檔距，直接對d欄進行判別；由丁d欄中有一虛數(shù)值和一個零值，故淘汰d欄中的所有臨界檔距，直接對b欄進行判別；b欄中無零值和虛數(shù)

32、值，且b欄中只有一個臨界檔距值lbd=642.15，故lbd=642.15是唯一的有效臨界檔距。當(dāng)實際檔距l(xiāng)lbd=642.15時，控制氣象為c-最大覆冰，如表1-8所示：表1-8地線的檔距與控制氣象關(guān)系表年平均氣溫最大覆冰642.15三、繪制導(dǎo)線的應(yīng)力弧垂曲線1、各氣象類型對應(yīng)的比載及溫度如表1-4所示;表1-4氣象類型與及其對應(yīng)的比載溫度表氣象類型風(fēng)速(m/s)溫度(C)覆冰厚度(mm比載(N/m-mi2)最高氣溫0400g1最低氣溫0-400g1年平均氣溫0-50g1最大覆冰10-510g7最大風(fēng)速30-50g6(0,30)內(nèi)過電壓15-50g6(0,15)外過電壓10150g6(0,1

33、0)安裝10-150g6(0,10)事故0-200g12、以控制氣象為第一狀態(tài)，待求狀態(tài)為第二狀態(tài)，將第一狀態(tài)與第二狀態(tài)所對應(yīng)的數(shù)據(jù)分別代入狀態(tài)方程式:Eg224七02Eg2i224。02-e(質(zhì)-t)(1-1)其中令A(yù)=。EJ_(t,b=旦嗚，則式(1-1)24。0-24七可簡化為。3AO2-B=0。以年平均氣溫為第一狀態(tài)，最大覆冰為第二狀態(tài)為例，運用迭代法編得C程序如下：main()(floatl,g1=0.08158,f,g2=0.16525,A,B,t1=-5,t2=-5,c=254,x,x1,x0,dx;scanf(%f,&l);A=c-(200900*g1*g1*l*l)/(24*

34、c*c)-200900*0.0000115*(t2-t1);B=200900*g2*g2*l*l/24;printf(f,%f,A,B);x0=1.0;dodx=(x0*x0*x0-A*x0*x0-B)/(3*x0*x0-2*A*x0);x1=x0;x0=x0-dx;while(x0!=x1);printf(nc=%fn,x0);f=(g2*l*l)/(8*x0);printf(f=%f,f);每隔50n利用以上程序，分別求得表1-4中九中氣象類型下的應(yīng)力和弧見表1-9:表1-9地線的應(yīng)力弧垂曲線數(shù)據(jù)表比載單位：10N/m-mrm溫度單位：。C應(yīng)力單位：N/mrn弧垂單位m控檔最高氣溫最低氣溫

35、最大覆冰年平均氣溫制氣g1=81.58t=40g1=81.58t=-40g7=165.25t=-5g1=81.58t=-5象距(Tf(Tf(Tf(Tf年平50153.770.17333.950.08260.280.202540.10均氣100162.500.63331.300.31275.480.752540.40溫150172.651.33327.150.70294.051.582540.90200182.442.24321.841.27312.872.642541.61250191.253.33315.802.02330.683.902542.51300198.974.61309.492.

36、97347.075.362543.61350205.646.07303.284.12361.966.992544.92最大覆冰400211.377.72297.455.49375.398.802546.42450216.309.55292.167.07387.4710.802548.13500220.5311.56287.498.87398.3212.9625410.04550224.1713.76283.4310.88408.0615.3125412.14600227.3116.15279.9313.11416.8117.8425414.45642.15229.5118.32277.1915

37、.17423.3320.12253.8516.56650229.0618.81275.4715.64423.3320.62252.7817.04700226.4922.06265.7418.80423.3323.91246.7320.25750224.3725.57257.8922.24423.3327.45241.8023.72800222.6029.32251.5125.95423.3331.23237.7527.45850221.1133.32246.2729.92423.3335.25234.3931.43900219.8437.57241.9434.14423.3339.52231.

38、5835.67控檔最大風(fēng)速內(nèi)過電壓外過電壓安裝制氣g6(0,30)=102.14t=-5g6(0,15)=83.74t=-5g6(0,10)=82.44t=15g6(0,10)=82.44t=-15象距(Tf(Tf(Tf(Tf年50255.190.13254.110.10208.890.12276.800.09平100258.4410.49一254.430.41211.840.49275.940.37均150262.981.09254.900.92215.841.07274.640.84氣200268.071.91255.441.64220.191.87273.081.51溫250273.17

39、12.92256.012.56224.422.87271.412.37300277.994.13256.553.67228.314.06269.753.44350282.385.54257.054.99231.765.45268.214.71400286.3017.14257.496.50234.777.02266.816.18450289.768.92257.888.22237.378.79265.587.86500292.7910.90258.2210.13239.6210.75264.519.74550295.44113.071258.5112.25241.5512.91263.5911

40、.83最600297.7515.44258.7514.56243.5217.88260.8316.69642.15293.8621.29251.8420.37239.2221.11253.8919.89大覆冰650298.50118.071257.7417.16243.5217.88260.8316.69700293.86121.29251.8420.37239.2221.11253.8919.89750289.9924.77247.0123.84235.6924.59248.2423.35800286.7428.50243.0327.57232.7728.33243.6127.0785028

41、4.0H32.48239.7331.55230.3332.32239.7831.05900281.6836.71236.9635.78228.2736.57236.5835.28控檔事故制g1=81.58氣t=-20象距(Tf年平50288.170.09均氣100286.790.36溫150284.690.81200282.1.45250279.322.28300276.513.32350273.874.56400271.466.01450269.327.67500267.479.53550265.8611.60600264.4913.88取大642.15263.3215.97覆冰650261

42、.9916.45700254.4819.63750248.3923.09800243.4126.81850239.30J30.79900235.8735.023、繪制地線的應(yīng)力弧垂曲線圖，如圖3。四、繪制導(dǎo)線的安裝曲線1、繪制安裝曲線時以檔距為橫坐標，弧垂和應(yīng)力為縱坐標，運用程序（同應(yīng)力弧垂曲線程序）從最高施工氣溫至最低施工氣溫沒隔10。繪制一條弧垂和應(yīng)力曲線，程序計算數(shù)據(jù)如下表1-6:表1-10地線的安裝曲線數(shù)據(jù)表比載單位：x10N/m-mrm溫度單位：。C應(yīng)力單位：N/mrn弧垂單位：m控制溫度40C30C20C10C氣象檔距(Tf(Tf(Tf(Tf年平均氣溫50153.770.17175

43、.500.15197.650.13220.060.12100162.500.63181.430.56201.350.51222.010.46150172.651.33188.851.21206.271.11224.731.02200182.442.24196.382.08211.511.93227.761.79250191.253.33203.363.13216.532.94230.762.76300198.974.61209.584.38221.104.15233.553.93350205.646.07215.05.81225.125.55236.055.29400211.377.72219

44、.687.42228.627.14238.246.85450216.309.55223.719.23231.648.91240.138.60500220.5311.56227.1611.22234.2310.88241.7610.55550224.1713.76230.1313.40236.4513.05243.1612.69600227.3116.15232.6915.78238.3615.40244.3615.02控制氣象溫度0C-10C-20C-30C檔距(Tf(Tf(Tf(Tf年平均氣溫50242.650.11265.370.10288.170.09311.040.08100243.2

45、30.42264.860.39286.790.36308.960.33150244.060.94264.090.87284.690.81305.740.75200245.021.66263.181.55282.691.45301.701.35250246.012.59262.222.43282.112.28297.212.14300246.953.72261.283.51279.323.32292.603.14350247.805.04260.414.80276.514.56288.164.34400248.566.56259.636.28273.876.01284.065.74450249.228.29258.947.97271.467.67280.397.36500249.7910.