大跨度斜拉桥自适应无应力状态法施工控制实践(工程硕士)

1、大跨度斜拉桥自适应无应力状态法施工控制与实践2012年3月目录第一章绪论21.1斜拉桥发展21.2施工控制现状21.3本文研究背景21.4本文研究主要工作2第二章斜拉桥自适应无应力控制法21.5概述21.6自适应控制法基本思路21.7自适应控制系统21.8本章小结2第三章拉索无应力控制21.9概述21.10悬链线法31.11抛物线法31.12本桥控制实践3边跨斜拉索索力监控表3中跨斜拉索索力监控表201.13本章小结36第四章主梁无应力控制法361.14设计及成桥线形371.15制造线形371.16安装线形39边跨线形监控表39中跨线形监控表511.17本章小结66第五章结论及展望67第一章

2、绪论1.1 斜拉桥发展1.2 施工控制现状1.3 本文研究背景1.4 本文研究主要工作第二章 斜拉桥自适应无应力控制法1.5 概述1.6 自适应控制法基本思路1.7 自适应控制系统1.8 本章小结第三章 拉索无应力控制1.9 概述斜拉索为一柔性结构，在自重作用下，呈现为悬链曲线。目前在悬索桥计算中，求取大缆无应力下料长度一般采用悬链线求解；而在斜拉桥中, 还普遍采用以抛物线理论为基础的公式求解。泰州新通扬运河特大桥斜拉索长度较短,拉索垂度非线性影响不太明显,因此，本桥斜拉索下料长度采用抛物线法计算。斜拉索受力示意图1.10 悬链线法1.11 抛物线法1.12 本桥控制实践边跨斜拉索索力监控表根

3、据规范泰州新通扬运河特大桥主桥边跨斜拉索索力误差范围在+10%-10%以内，详细数据见表4.14.2，通过桥面铺装前的部分斜拉索索力调整后，成桥后索力误差范围在+5%-5%以内，详细数据见表4.34.5，符合监控误差控制要求。表一.1 边跨东侧斜拉索（C1C14）监控数据表（单位：KN）C14'C13'C12'C11'C10'C9'C8'C7'C6'C5'C4'C3'C2'C1'第一次张拉C1',C1斜拉索计算值2673.9实测值2609.8差值-64.1移动挂篮计算值267

4、7.5实测值2492.5差值-185.0吊装F2,F2'预制节段计算值2740.5实测值2547.2差值-193.3第二次张拉C1',C1斜拉索计算值3291.4实测值3157.8差值-133.6预应力筋张拉计算值3374.6实测值3417.5差值42.9第一次张拉C2',C2斜拉索计算值2379.03251.3实测值2185.9差值-193.1移动挂篮计算值2383.63253.6实测值2458.73339.9差值75.186.3第二次张拉C2',C2斜拉索计算值3353.13287.0实测值3198.6差值-154.5吊装S3,S3'预制节段计算值3

5、510.23384.2实测值3286.5差值-223.7第一次张拉C3',C3斜拉索计算值2093.73312.93259.0实测值1923.73329.13321.7差值-170.016.262.7移动挂篮计算值2097.73314.53259.5实测值2145.73299.33317.6差值48.0-15.258.1吊装F4,F4'预制节段计算值2313.13450.83342.8实测值2305.83388.73331.8差值-7.3-62.1-11.0预应力筋张拉计算值2321.13456.13345.6实测值2340.43407.23337.9差值19.3-48.9-7

6、.7移动挂篮计算值2208.23372.53295.53241.8实测值2445.03723.63371.13251.2差值236.9351.175.69.4吊装S5,S5'预制节段计算值4018.53728.53505.33360.9实测值4521.53491.73279.3差值503.0-13.6-81.6第一次张拉C5',C5斜拉索计算值2197.43558.03364.23285.43229.8实测值2399.93656.73510.83229.93099.5差值202.698.6146.5-55.5-130.3吊装F6,F6'预制节段计算值2575.73875

7、.43609.53429.43311.9实测值2667.63922.83674.43299.03099.5差值91.947.464.9-130.4-212.4预应力筋张拉计算值2580.63879.73612.33430.73312.4实测值2697.23985.03723.13316.93184.8差值116.6105.2110.8-113.7-127.6第二次张拉C5',C5斜拉索计算值3828.23611.63400.43302.83236.1实测值4147.83716.83558.43216.63093.8差值319.6105.2158.0-86.2-142.4吊装S6,S6&

8、#39;预制节段计算值4276.03980.23681.23465.43327.6实测值4501.34004.73746.13343.93142.0差值225.424.664.9-121.4-185.5预应力筋张拉计算值4284.13986.13684.93467.13328.2实测值4482.24001.43720.23332.73153.7差值198.015.435.3-134.4-174.5第一次张拉C6',C6斜拉索计算值2301.03731.73529.63334.73261.53208.9实测值2449.43998.23584.63449.73161.53065.0差值14

9、8.4266.555.0114.9-100.0-143.9吊装F7,F7'预制节段计算值2791.74081.53813.13547.73383.13276.0实测值2900.14233.03780.53580.93267.73138.2差值108.4151.5-32.633.2-115.4-137.9第二次张拉C6',C6斜拉索计算值4016.93790.53571.83361.93273.53212.1实测值4033.33994.63594.03400.13163.73061.1差值16.5204.122.138.2-109.8-150.9移动挂篮搭设支架，计算值4024.

10、23793.73572.93361.33272.33210.5实测值4292.34001.83600.23446.93155.03063.1差值268.1208.027.385.6-117.3-147.4吊装S7,S7'预制节段计算值4591.04190.53891.13597.83405.93283.7实测值4528.54311.53640.33263.23144.0差值-62.4121.042.5-142.7-139.7预应力筋张拉计算值4600.34196.03894.73599.73406.63283.7实测值4401.74162.93968.63703.03296.73132

11、.4差值-198.5-33.173.9103.3-109.8-151.4第一次张拉C7',C7斜拉索计算值2413.43890.93700.03496.33302.23236.33187.2实测值2316.23782.43627.43663.03535.93198.93084.1差值-97.2-108.5-72.6166.7233.7-37.4-103.1吊装F8,F8'预制节段计算值2919.24340.14008.73739.43479.53334.43239.4实测值2735.04620.43883.33857.83645.93252.13076.5差值-184.2280

12、.2-125.5118.4166.5-82.3-163.0预应力筋张拉计算值2924.44344.94011.33740.83480.03334.43239.1实测值2664.64090.73869.03844.93620.43080.93076.5差值-259.8-254.2-142.3104.0140.4-253.5-162.7第二次张拉C7',C7斜拉索计算值4206.03965.73746.23527.93321.13243.63187.8实测值4067.14020.23651.63678.83482.93165.93036.3差值-138.954.5-94.6150.9161

13、.8-77.7-151.5吊装S8,S8'预制节段计算值4797.64479.64094.23797.93515.03349.13243.0实测值4508.24283.33987.33932.63720.23258.83063.1差值-289.4-196.3-106.9134.6205.3-90.4-179.9预应力筋张拉计算值4806.14485.84097.53799.73515.63349.03242.6实测值4288.34117.33858.43851.33603.43227.73080.3差值-517.8-368.5-239.151.787.9-121.4-162.3第一次张

14、拉C8',C8斜拉索计算值2522.64081.03854.63668.63464.83272.53213.93168.2实测值2374.93883.83765.43637.83688.23491.33172.53038.2差值-147.7-197.2-89.2-30.8223.5218.7-41.4-130.0吊装F9,F9'预制节段计算值3037.34541.34248.93931.83665.93414.53289.53206.4实测值2724.54273.54104.03876.13867.53609.13218.83076.5差值-312.8-267.8-145.0-

15、55.7201.6194.6-70.7-129.9预应力筋张拉计算值3042.24545.84251.93933.13666.33414.33289.13205.9实测值2762.94303.14144.03879.73841.63600.63216.63066.9差值-279.2-242.6-107.9-53.4175.3186.3-72.5-139.0第二次张拉C8',C8斜拉索计算值4391.54155.13911.93702.13486.13283.73216.83166.3实测值4071.03949.83825.13686.23707.23510.83190.13063.1差

16、值-320.5-205.2-86.8-15.9221.1227.0-26.7-103.3吊装S9,S9'预制节段计算值4990.24678.54353.93992.83704.53435.03295.73205.1实测值4225.14412.54202.13911.83864.33606.33216.63045.8差值-765.1-265.9-151.8-80.9159.8171.3-79.1-159.3预应力筋张拉计算值4998.24684.34357.73994.43704.93434.63295.03204.5实测值4385.74372.64188.73901.13854.636

17、06.33234.32911.8差值-612.5-311.7-169.0-93.3149.6171.6-60.7-292.6第一次张拉C9',C9斜拉索计算值2646.74260.14038.03810.43633.03431.33242.43191.93149.8实测值2540.84023.64042.73890.63761.03763.33547.83209.83098.9差值-105.9-236.64.780.2128.0332.0305.417.9-50.9吊装F10,F10'预制节段计算值3081.64625.94347.74060.83786.73533.83298

18、.23206.23140.7实测值2890.34328.54294.74117.43843.33828.43570.63307.03071.5差值-191.3-297.4-53.056.656.6294.6272.4100.8-69.2浇筑湿接缝计算值3172.74703.24414.24115.93822.13559.63315.23214.33143.9实测值2905.14394.24375.34194.43955.73917.33674.23295.63118.4差值-267.6-309.0-39.078.5133.6357.7359.081.3-25.4预应力筋张拉计算值3199.04

19、730.04442.84147.53851.53593.23353.33249.23177.9实测值2959.84443.74405.74212.63941.23907.43700.33272.93104.7差值-239.1-286.3-37.165.289.7314.1347.123.7-73.2第二次张拉C9',C9斜拉索计算值4566.64344.64105.43861.93663.13450.93253.83196.33150.4实测值4537.74023.64086.63983.23814.63831.73616.53270.63132.2差值-28.9-321.1-18.8

20、121.3151.5380.8362.774.3-18.2吊装S10,S10'预制节段计算值5196.04867.14549.74226.43895.23618.93365.03251.13174.9实测值4500.64706.94441.34230.93955.73943.83636.63318.43142.0差值-695.4-160.2-108.44.560.5324.9271.667.3-32.9预应力筋张拉计算值5204.04872.64553.24228.33895.63618.53364.13250.23174.1实测值4782.34295.94294.74112.9389

21、3.93871.13651.13205.33130.2差值-421.6-576.7-258.5-115.4-1.7252.6286.9-44.9-43.9第一次张拉C10'C10斜拉索计算值2746.94429.04228.74004.73776.83606.73407.43221.83177.43137.6实测值2809.84263.43831.63907.73886.23707.73730.93553.53252.53132.2差值62.9-165.7-397.2-97.1109.4101.1323.5331.775.2-5.5吊装F11,F11'预制节段计算值3288.0

22、4918.94630.24341.54049.23777.23528.23299.63214.03152.5实测值3226.34706.34225.64229.74050.03865.03861.23645.33293.33140.0差值-61.6-212.5-404.5-111.80.887.8333.1345.779.3-12.4预应力筋张拉计算值3292.74923.14632.84342.94049.63776.93527.53298.63213.23151.8实测值3220.74700.04220.34214.84067.93857.73864.53656.83284.23155.8

23、差值-71.9-223.1-412.6-128.118.380.8337.1358.271.04.0吊装S11,S11'预制节段计算值5362.55064.24737.24420.34102.93803.13539.43300.33209.23145.4实测值5518.95177.84328.54365.14126.43879.43884.33633.73282.03144.0差值156.4113.7-408.7-55.223.576.3344.9333.572.7-1.4预应力筋张拉计算值5370.25069.84740.64422.04103.33802.63538.33298.9

24、3208.23144.5实测值5388.04968.44285.14269.64112.93857.73838.33607.93257.13100.8差值17.8-101.4-455.6-152.49.655.2300.0308.948.9-43.7第一次张拉C11'C11斜拉索计算值2841.54601.04390.44191.13967.13740.33578.73381.93199.33160.83123.1实测值2887.2差值45.7吊装F12,F12'预制节段计算值3381.75092.34818.74532.74245.33957.93709.33469.4325

25、1.33182.13128.9实测值3413.05194.54519.14065.74067.13943.43753.83766.53564.93236.73077.4差值31.3102.2-299.6-467.1-178.2-14.544.6297.1313.654.6-51.6预应力筋张拉计算值3379.55090.34816.14529.84242.23954.73706.83467.23249.43180.93128.2实测值3406.95173.24500.64034.14062.23903.83750.33769.83582.13241.33098.9差值27.382.9-315.

26、5-495.7-179.9-50.943.5302.6332.660.3-29.3第二次张拉C11'C11斜拉索计算值4947.44660.24436.14222.43987.63751.73581.63379.93194.03154.73116.5实测值5361.74668.84055.93684.33789.03657.53598.93666.63496.73178.43096.9差值414.38.6-380.2-538.1-198.6-94.217.3286.7302.823.7-19.6吊装S12,S12'预制节段计算值5571.35213.04911.54596.04

27、286.63980.73715.33466.03242.03172.13119.1实测值6045.75562.94525.34034.14072.03890.63736.13747.13545.03216.53094.9差值474.4349.9-386.2-561.9-214.6-90.020.8281.1303.044.4-24.2第一次张拉C12'C12斜拉索计算值2948.44810.94537.94329.34136.83917.13695.43546.53354.43176.33144.33108.8实测值3363.65140.34508.63888.03554.83662.

28、93594.03539.93609.23448.93185.13065.7差值415.2329.4-29.3-441.3-581.9-254.2-101.4-6.5254.8272.640.8-43.1第二次张拉C12'C12斜拉索计算值5095.24883.34596.04373.64166.73936.23705.43548.43351.53170.23137.83101.8实测值5623.15117.74475.63882.33530.23598.4差值527.9234.3-120.4-491.4-636.5-337.9预应力筋张拉计算值5792.05424.75062.4476

29、2.74461.94162.83869.73637.03401.53191.33139.73095.6实测值5786.45611.44914.34263.43811.13841.03717.23619.93657.03516.63176.23073.5差值-5.6186.8-148.1-499.3-650.9-321.8-152.5-17.1255.5325.336.5-22.1第一次张拉C13'C13斜拉索计算值3034.74945.84766.34493.54286.34098.63881.83663.43523.23334.03158.43130.73096.0实测值3601.7

30、5251.34894.14286.53701.23422.83525.33468.7差值566.9305.5127.8-207.0-585.1-675.8-356.5-194.7第二次张C13',C13斜拉索计算值5268.95017.64816.74531.74313.34114.63889.63664.53519.73327.33149.93123.03088.4实测值5759.95294.94916.24299.43706.83384.13575.53510.23460.93545.93482.63174.03050.2差值491.0277.399.5-232.3-606.5-7

31、30.5-314.2-154.3-58.8218.6332.750.9-38.3第一次张C14',C14斜拉索计算值3110.35120.04885.44716.44447.14244.34063.53851.53637.53505.23318.63144.83119.93084.7实测值3135.15492.15173.34820.64267.23678.93355.33507.23468.73471.23590.13446.03185.13073.5差值24.8372.1287.9104.2-179.9-565.5-708.3-344.3-168.7-34.0271.5301.36

32、5.3-11.3表一.2 边跨西侧斜拉索（C1C14）监控数据表（单位：KN）C14'C13'C12'C11'C10'C9'C8'C7'C6'C5'C4'C3'C2'C1'第一次张拉C1',C1斜拉索计算值2673.9实测值2572.0差值-101.9移动挂篮计算值2677.5实测值2547.2差值-130.3吊装F2,F2'预制节段计算值2740.5实测值2611.4差值-129.1预应力筋张拉计算值2740.9实测值3327.8差值586.9第二次张拉C1'

33、;,C1斜拉索计算值3291.4实测值3279.3差值-12.1预应力筋张拉计算值3374.6实测值3327.8差值-46.8第一次张拉C2',C2斜拉索计算值2379.03251.3实测值2163.7差值-215.3移动挂篮计算值2383.63253.6实测值2411.83243.2差值28.2-10.4第二次张拉C2',C2斜拉索计算值3353.13287.0实测值3189.6差值-163.5第一次张拉C3',C3斜拉索计算值2093.73312.93259.0实测值1927.93211.13239.2差值-165.8-101.8-19.8移动挂篮计算值2097.7

34、3314.53259.5实测值2208.23179.73245.2差值110.6-134.8-14.3吊装F4,F4'预制节段计算值2313.13450.83342.8实测值2375.23278.93261.2差值62.1-171.9-81.6预应力筋张拉计算值2321.13456.13345.6实测值2400.93283.43267.3差值79.8-172.7-78.3移动挂篮计算值2208.23372.53295.53241.8实测值2452.83747.03384.93271.3差值244.7374.589.429.5吊装S5,S5'预制节段计算值4018.53728.5

35、3505.33360.9实测值3993.83477.73193.4差值265.3-27.6-167.5第一次张拉C5',C5斜拉索计算值2197.43558.03364.23285.43229.8实测值2411.23631.53533.13207.83038.2差值213.873.5168.9-77.6-191.6吊装F6,F6'预制节段计算值2575.73875.43609.53429.43311.9实测值2670.53864.33697.33312.43055.4差值94.9-11.187.8-116.9-256.5预应力筋张拉计算值2580.63879.73612.33430.73312.4实测值2718.03935.83737.53350.73068.8差值137.456.1125.2-79.9-243