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1、110kV昆共线24#25#迁移工程 施工图设计说明书检索号: JX-S1005S-D01图 号： S1005S-D01-01宁岗变茅坪变35kV线路改造工程施工图设计说明书及材料汇总表江苏海宏电力工程顾问有限公司设计证书号：A2320045672010年11月南昌第 2 页 共 9 页 批 准：审 核：校 对：设 计：施工图设计说明书目录1工程总述11.1设计依据11.2建设规模11.3设计范围12路径12.1路径方案选择12.2 路径方案12.3 路径协议12.4 路径特征12.5 交叉跨越23机电部分23.1 气象条件23.2 导地线及其防振措施23.3 绝缘子和金具33.4 绝缘配合、
2、防雷和接地44 杆塔基础54.1 杆塔部分54.2 基础部分55 对通信线路的影响及其防护66 主要设备材料汇总表87 孤立档架线弧垂表.9宁岗变茅坪变35kV线路改造工程 施工图设计 说明书及设备材料汇总表1工程总述1.1设计依据(1)设计委托单。1.2建设规模(1)本工程线路起于110kV宁岗变35kV构架，止于35kV茅坪变35kV构架。线路按单回路设计架设，全长约17.2km。拆除原有线路长约18.3km，拆除砼杆88基。(2)本工程导线、避雷线型号：导线型号： LGJ-120/20 (K=3.0)(GB1179-83)型钢芯铝绞线。避雷线型号: GJ-35(K=4.0)钢绞线。1.3
3、设计范围(1)本工程送电线路本体设计。(2)本工程送电线路对邻近通信线影响的保护设计。(3)本工程初步设计概算书的编制。2路径2.1路径方案本工程线路从110kV宁冈变35kV构架出线，宁冈变35kV构架至原宁茅线14#段沿原线路走廊架设；原宁茅线14#至原宁茅线46#段改线，在原14#处左转后与230省道平行，经彭家、巫基后，再右转跨过230省道至原宁茅线46#处；原宁茅线46#至茅坪变35kV构架段沿原线路走廊架设，其中，由于原78#79#档距过大，路径改为在原78#处右转425210，大号方向163米处新建一基转角杆，再左转至原79#处。具体路径走向详见线路路径图。2.2 路径协议利用老
4、线路通道，路径协议已报批。2.3 路径特征1、地质、地形情况线路地形以丘陵、水田为主。地形：丘陵45%；水田25%；山地30%。地质：土坑60%；坚土20%；泥水20%。2、交通情况线路所经地区交通运输条件较差。2.4 交叉跨越交叉跨越（次）10kV380V220V通信线230省道13181753机电部分3.1 气象条件本工程气象条件采用江西省II类气象区。详见表3.1。表3.1气象条件 项目工况气温()风速(m/s)覆冰厚度(mm)最高气温4000最低气温-1000最大风速10250最大覆冰-51010年平均气温1500安装情况0100外过电压15100内过电压15150冰的比重0.9年平均
5、雷暴日40地震烈度63.2 导地线及其防振措施3.2.1 导地线(1)导线采用LGJ-120/20型钢芯铝绞线。(2)全线架设避雷线，型号为GJ-35钢绞线。(3)本工程导地线使用参数详见表3.2.1。表3.2.1 导地线使用参数 型号参数LGJ-120/20GJ-35标称截面积(mm2)12035结构(mm)股数/单股直径铝26/2.38钢7/1.857/2.6截面积S(mm2)134.4937.15外径d(mm)15.077.00计算拉断力(N)4100045472弹性模量(MPa) E76000181423线膨胀系数(1/)18.910-611.510-6单位质量W(kg/km)466.
6、80318.20安全系数k3.04.03.2.2 导、地线防振措施本工程全线加装防振锤进行防振，导线LGJ-120/20配型号FD-3,地线GJ-35配型号FG-35。3.3 绝缘子和金具3.3.1绝缘子本工程导线耐张串、悬垂串均采用XP-70普通型瓷式绝缘子，其中直线杆为单联3片组合，耐张为4片组合；连续上下山及高差大地方采用双线夹，重要交跨地方采用双串绝缘子。详见绝缘子及金具串组装图。3.3.2 金具本工程所使用的金具以国家标准局批准的电力金具为主选取，个别金具参照南京线路器材厂最新样本。以下金具适用于LGJ-120/20导线和GJ-35型避雷线。（1）悬垂金具： 导 线：XGU-3，避雷
7、线：XGU-3（2）耐张金具： 导 线：NLD-3，避雷线：NX-13.4 绝缘配合、防雷和接地本工程绝缘配合及防雷接地依据电力行业标准交流电气装置的过电压保护和绝缘配合和交流电气装置的接地进行设计。3.4.1 绝缘配合根据江西省污秽区域图和勘测期间沿线调查的实际情况，本工程送电线路所经地区无污染，基本污秽等级按泄漏比距2.5cm/kV考虑。本工程线路塔头空气间隙绝缘配合，各带电部分与杆塔构件最小间隙及相应的风速见表3.4.1-2。表3.4.1-2 35kV线路等级空气间隙工 况间隙距离(m)相应风速(m/s)备 注工作电压0.1025操作过电压0.2515大气过电压0.45103.4.2 防
8、雷设计1、本工程全线架设避雷线。2、本工程避雷线均直接接地，避雷线对静止边导线的保护角不大于30度。在气温15无风时，档距中央导线与地线间的距离能满足S0.012L+1(m)要求。3.4.3 接地设计1、接地装置：水平接地体采用12圆钢埋深0.6m，围绕杆塔基础敷设的闭合风车形装置。详见接地装置一览图。2、当工频接地电阻不能满足要求时，应延长或增加接地射线的长度，直至工频接地电阻满足要求为止。4 杆塔基础4.1 杆塔部分根据沿线交通情况，本工程采用35kV通用设计预应力电杆。新建线路新立直线杆43基，转角杆24基，转角塔3基。具体使用情况详见杆塔一览图。4.2 基础部分根据沿线地质情况，全线基
9、础采用底盘加拉线盘。基础详细尺寸见底拉盘一览图。5 对通信线路的影响及其防护本工程对临近的通信线有关情况进行了搜资，结合初勘现场实际情况，送电线路邻近未见有级以上重要通信线路，其杆塔、导线机械强度、电气性能及安全系数均符合有关规定，本线路所跨越的三级通信线路无平行接近，线路与通信线路的接近距离和交叉跨越角均满足有关规定，无须采取保护措施。6 主要设备材料汇总表序号设备材料名称及用途规格单位数量1（图号35-TY-08）6米下段24S5根762（图号35-TY-08）4.5米下段24S5根153（图号35-TY-07）6米中段24S5根604（图号35-TY-07）4.5米中段24S5根625（
10、图号35-TY-06）6米上段24S5根916砼杆铁附件钢材t23.397接地钢材t6.88导线LGJ-120/20t25.39避雷线GJ-35t6.010拉线盘0.6米*0.3米只17211拉线盘0.8米*0.4米只4812拉线盘1.0米*0.5米只8413拉线盘1.2米*0.6米只2814拉线盘1.4米*0.7米只1215基础底盘1.2米*0.6米只4616基础底盘1.4米*0.7米只4517基础底拉盘1.2米*0.6米只1218LGJ-120/20导线耐张绝缘子串35DN1串19819LGJ-120/20导线悬垂绝缘子串35DX1串16420LGJ-120/20导线悬垂双线夹绝缘子串35
11、DX2串1521GJ-35避雷线耐张金具串BN1串13222GJ-35避雷线悬垂金具串BX1串4523导线防振锤FD-3只48024地线防振锤FG-35只25325铁塔钢材Q235、Q345吨7.9826基础用钢筋HPB235、HRB335吨0.6427基础用砼量C20m353.728地脚螺栓Q235吨0.38注：1、以上材料均未计入损耗。2、以上设备型号仅做参考，以招标结果为准。7 孤立档架线弧垂表导线LGJ-120/20孤立档架线弧垂表（过牵引长度0.1m，已考虑降温20）宁冈变构架1#1#2#2#3#3#4#4#5#档距31m档距272m档距308m档距316m档距236m温度()竣工弧
12、垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)40(20)1.2211.3087.9677.98310.35910.37711.04611.0645.8735.88635(15)1.2031.2897.8197.83510.20810.22610.88910.9075.7295.74230(10)1.1841.2697.6697.68410.05610.07310.73010.7485.5835.59525(5)1.1651.2487.5177.5329.9019.91810.57010.5875.4345
13、.44620(0)1.1461.2277.3647.3779.7459.76210.40810.4245.2845.29515(-5)1.1261.2067.2087.2219.5879.60310.24310.2605.1325.14210(-10)1.1061.1857.0507.0639.4289.44310.07710.0934.9784.9875(-15)1.0861.1636.8906.9029.2669.2819.9099.9254.8224.8310(-20)1.0651.1416.7276.7399.1039.1179.7399.7544.6644.672-5(-25)1.0
14、441.1186.5636.5758.9378.9519.5679.5824.5054.512-10(-30)1.0231.0956.3976.4088.7698.7839.3939.4084.3444.351-15(-35)1.0011.0716.2296.2398.6008.6139.2179.2314.1834.189-20(-40)0.9781.0476.0586.0688.4288.4419.0399.0524.0214.027-25(-45)0.9561.0225.8865.8968.2558.2678.8598.8723.8593.864-30(-50)0.9320.9975.7
15、135.7218.0798.0918.6768.6893.6983.7027#8#8#9#24#25#25#26#26#27#档距304m档距177m档距210m档距172m档距313m温度()竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)40(20)10.09610.1133.1383.1464.5984.6103.0083.01610.73110.74935(15)9.9459.9623.0073.0144.4574.4672.8742.88110.57910.59730(10)9.7929.80
16、92.8742.8814.3134.3232.7402.74610.42610.44325(5)9.6389.6542.7412.7474.1674.1762.6062.61110.27110.28820(0)9.4829.4982.6082.6134.0204.0282.4722.47610.11410.13115(-5)9.3249.3392.4762.4803.8713.8782.3392.3429.9559.97210(-10)9.1649.1792.3452.3483.7213.7272.2092.2119.7959.8115(-15)9.0029.0172.2172.2193.57
17、03.5762.0822.0839.6329.6480(-20)8.8388.8532.0912.0933.4183.4241.9591.9609.4689.483-5(-25)8.6728.6861.9701.9713.2673.2721.8421.8429.3029.317-10(-30)8.5048.5181.8541.8543.1173.1211.7301.7299.1349.148-15(-35)8.3358.3481.7441.7432.9692.9721.6251.6248.9648.977-20(-40)8.1638.1751.6401.6392.8232.8251.5271.
18、5258.7918.805-25(-45)7.9898.0011.5421.5412.6802.6811.4361.4348.6178.630-30(-50)7.8127.8241.4521.4502.5412.5421.3521.3508.4418.45327#28#64#65#65#66#76#茅坪变构架档距153m档距163m档距471m档距32m温度()竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)40(20)2.6002.6092.7892.79724.73624.7620.9070.99135(15)2.4812.4
19、892.6642.67224.58224.6080.8930.97630(10)2.3612.3682.5392.54524.42824.4530.8800.96125(5)2.2412.2462.4132.41824.27224.2980.8660.94620(0)2.1202.1252.2872.29124.11624.1410.8520.93115(-5)2.0002.0042.1622.16623.95923.9840.8380.91510(-10)1.8831.8852.0392.04223.80023.8260.8230.8995(-15)1.7671.7691.9191.9212
20、3.64123.6660.8090.8830(-20)1.6561.6571.8031.80423.48123.5060.7940.867-5(-25)1.5491.5491.6921.69223.32023.3450.7790.850-10(-30)1.4491.4481.5861.58623.15823.1830.7630.833-15(-35)1.3541.3531.4871.48622.99523.0190.7480.816-20(-40)1.2661.2641.3941.39322.83122.8550.7320.798-25(-45)1.1851.1831.3081.30622.6
21、6622.6900.7150.780-30(-50)1.1101.1081.2291.22722.50022.5240.6980.762地线GJ-35孤立档架线弧垂表（过牵引长度0.05m，已考虑降温10）宁冈变构架1#1#2#2#3#3#4#4#5#档距31m档距272m档距308m档距316m档距236m温度()竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)40(30)0.8820.8915.4425.4457.2667.2717.7527.7573.8733.87535(25)0.8650.87
22、35.3355.3387.1537.1577.6347.6393.7753.77730(20)0.8470.8545.2275.2307.0397.0437.5167.5203.6783.68025(15)0.8280.8365.1195.1226.9246.9287.3967.4013.5813.58320(10)0.8090.8175.0115.0146.8096.8137.2777.2813.4853.48615(5)0.7900.7974.9034.9066.6936.6977.1567.1603.3893.39110(0)0.7710.7784.7954.7976.5776.5817
23、.0357.0393.2953.2975(-5)0.7510.7574.6874.6896.4606.4646.9146.9183.2023.2040(-10)0.7300.7374.5794.5816.3436.3476.7926.7953.1103.112-5(-15)0.7090.7154.4724.4746.2266.2296.6706.6733.0203.021-10(-20)0.6870.6934.3654.3676.1086.1116.5476.5502.9322.933-15(-25)0.6650.6714.2594.2615.9905.9936.4246.4272.8452.
24、846-20(-30)0.6420.6484.1534.1555.8725.8756.3016.3042.7612.762-25(-35)0.6190.6244.0494.0515.7545.7576.1786.1812.6782.679-30(-40)0.5950.6003.9463.9475.6365.6386.0556.0582.5982.5997#8#8#9#24#25#25#26#26#27#档距304m档距177m档距210m档距172m档距313m温度()竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)
25、施工弧垂(m)40(30)7.0607.0651.9201.9212.9342.9361.7931.7937.5457.55035(25)6.9476.9521.8511.8522.8462.8471.7271.7277.4317.43630(20)6.8346.8381.7841.7852.7592.7601.6631.6637.3167.32125(15)6.7206.7241.7191.7202.6742.6751.6021.6027.2017.20520(10)6.6056.6091.6571.6582.5902.5911.5431.5437.0857.08915(5)6.4906.4
26、941.5971.5982.5082.5091.4871.4876.9686.97210(0)6.3746.3781.5401.5402.4282.4291.4341.4346.8516.8555(-5)6.2586.2621.4851.4862.3502.3501.3831.3836.7336.7370(-10)6.1426.1451.4331.4332.2742.2741.3341.3346.6156.618-5(-15)6.0256.0291.3831.3832.2002.2011.2881.2886.4966.500-10(-20)5.9085.9121.3361.3362.1292.
27、1301.2441.2446.3776.381-15(-25)5.7915.7941.2901.2912.0602.0611.2031.2036.2586.261-20(-30)5.6745.6771.2481.2481.9941.9951.1631.1636.1396.142-25(-35)5.5575.5601.2071.2071.9311.9311.1261.1266.0196.022-30(-40)5.4415.4431.1681.1681.8701.8701.0911.0915.9005.90227#28#64#65#65#66#76#茅坪变构架档距153m档距163m档距471m档
28、距32m温度()竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)竣工弧垂(m)施工弧垂(m)40(30)1.3491.3501.5841.58518.42618.4350.7330.74135(25)1.2961.2961.5241.52418.30618.3150.7190.72730(20)1.2451.2451.4661.46618.18618.1940.7040.71225(15)1.1971.1971.4101.41118.06518.0730.6890.69720(10)1.1511.1511.3571.35817.94317.9520.6740
29、.68215(5)1.1071.1071.3071.30717.82117.8290.6590.66610(0)1.0661.0661.2591.25917.69817.7060.6430.6505(-5)1.0271.0271.2131.21317.57517.5830.6270.6340(-10)0.9900.9901.1701.17017.45017.4580.6110.618-5(-15)0.9550.9551.1291.12917.32617.3340.5940.601-10(-20)0.9230.9231.0901.09017.20017.2080.5770.583-15(-25)0.8920.8921.0531.05317.07417.0820.5590.565-20(-30)0.8620.8621.0181.01816.94716.9550.5410.547-25(-35)0.8350.8350.9850.98516.82016.8270.5230.528-30(-40)0.8080.8080.9540.95416.69216.6990.5030.509第 9 页 共 9页
