铁路路基沉降观测方案.docx

1、铁路路基沉降观测方案铁路扩能改造工程路基沉降观测及变形观测评估方案编制：复核：审批：一、 编制依据1.1 TB10101-99新建铁路工程测量规范1.2 客运专线铁路无碴轨道铺设条件评估技术指南1.3 客运专线铁路路基工程施工质量验收暂行标准1.4 TZ212-2005客运专线铁路路基工程施工技术指南1.5 JGJ/T 8-97建筑变形测量规程；1.6 GB 50026-93工程测量规范；1.7 GB 12897-91国家一、二等水准测量规范；1.8 GB/T 18314-2001全球定位系统（GPS）测量规范。二、观测范围及主要内容根据客运专线铁路无碴轨道铺设条件评估技术指南规定：沉降观测断

2、面的间距一般不应大于50m，地势乎坦、地基条件均匀良好的路堑、高度小于5m的路堤可放宽到100m；地形、地质条件变化较大地段应适当加密。湘桂铁路扩能改造工程路基填方的分布范围及设置计划见表1：表1 填方的分布范围及设置计划序号范围最大填土高度本段长度设置观测断面数备注1D1K8+300D1K8+5007 2004挖除换填2D1K9+250D1K9+7907.3,7.054010挖除换填3DK3+684DK4+0504,8.43664挖除换填4DK4+125DK4+3502 2252挖除换填5DK13+262.97DK13+5008 237.034DK13+262.97DK13+325段地基采用

3、水泥搅拌桩加固，桩长4m6.2m6LXDK6+826.875LXDK7+720.5514.44 893.67518清淤换填AB料7LXDK8+114.75+775.0810.00 660.3313清淤回填渗水土8LSDK6+715.43LSDK7+00011.70 284.575-9DK13+545DK14+10011.67 555.00 11鱼塘清淤0.610.98m，填渗水土3.094.34m；软基挖除换填改良土0.602.79m；搅拌桩桩长4.08.4m，正三角形布置，间距1.2m，桩径50cm10DK14+100DK15+1656.20 1065.00 21鱼塘清淤0.500.80m，

4、填渗水土1.603.04m；软基挖除换填渗水土0.751.92m；搅拌桩桩长4.08.92m，正三角形布置，间距1.1、1.4m，桩径50cm11DK15+165DK15+5206.20 355.00 7挖除换填改良土0.5m12DK15+520DK15+5726.20 52.00 1挖除换填改良土0.5m13DK15+572DK15+6156.20 43.00 1挖除换填改良土1.0m14DK15+615DK16+4006.20 785.00 16鱼塘清淤0.370.57m，填渗水土0.370.57m；软基挖除换填渗水土0.531.35m；搅拌桩桩长4.08.97m，正三角形布置，间距1.2

5、、1.3m，桩径50cm15DK16+400DK17+13210.90 732.00 16鱼塘清淤0.280.66m，填渗水土2.554.32m；软基挖除换填渗水土0.692.83m16DK17+132DK17+2506.50 118.00 2挖除换填改良土1.0m17DK17+250DK17+4806.50 230.00 4挖除换填改良土1.0m18DK17+480DK17+6406.50 160.00 3挖除换填改良土1.0m19DK17+640DK17+8666.50 226.00 4挖除换填渗水土1.22.0m20DK17+866DK18+2526.50 3867挖除换填改良土0.51

6、.0m21DK18+252DK18+6502.90 3984挖除换填改良土0.51.0m22DK18+650DK18+700.422.90 50.421软基挖除换填渗水土0.432.02m23DK18+877.22DK19+1006.60 222.784挖除换填改良土1.0m24DK19+100DK19+1806.60 801挖除换填改良土0.51.0m25DK19+180DK19+274.476.60 94.472挖除换填改良土1.0m26DK19+649.97DK19+7003.80 50.031软基挖除换填渗水土0.692.00m27DK19+700DK19+8203.80 1201挖除

7、换填改良土0.51.0m28DK19+820DK19+991.653.80 171.652软基挖除换填渗水土2.003.47m29DK20+384.3DK20+5665.10 181.73挖除换填改良土1.001.55m30DK13+545DK14+10011.67 555.00 11鱼塘清淤0.610.98m，填渗水土3.094.34m；软基挖除换填改良土0.602.79m；搅拌桩桩长4.08.4m，正三角形布置，间距1.2m，桩径50cm31DK14+100DK15+1656.20 1065.00 21鱼塘清淤0.500.80m，填渗水土1.603.04m；软基挖除换填渗水土0.751.9

8、2m；搅拌桩桩长4.08.92m，正三角形布置，间距1.1、1.4m，桩径50cm32DK15+165DK15+5206.20 355.00 7挖除换填改良土0.5m33DK15+520DK15+5726.20 52.00 1挖除换填改良土0.5m34DK20+566DK20+7005.10 1342挖除换填改良土0.51.0m35DK21+230.38DK21+3909.65 159.623软基挖除换填渗水土1.004.34m36DK21+390DK21+4409.65 501挖除换填改良土0.5m37DK21+440DK21+5769.65 1362鱼塘清淤0.741.09m，填渗水土2.

9、245.21m；软基挖除换填渗水土2.263.27m38DK21+576DK21+6959.65 1192挖除换填改良土0.51.0m39DK21+695DK21+928.29.65 233.24鱼塘清淤0.751.83m，填渗水土0.751.83m；软基挖除换填渗水土2.092.59m40DK22+184.6DK22+2703.80 85.41鱼塘清淤0.600.66m，填渗水土0.600.66m；软基挖除换填渗水土1.422.36m41DK22+270DK22+3703.80 1001挖除换填改良土0.5m42DK22+370DK22+4283.80 581挖除换填改良土0.51.0m43

10、DK22+428DK22+5403.80 1121鱼塘清淤0.560.60m，填渗水土2.593.83m；软基挖除换填渗水土1.342.92m44DK22+540DK22+635.333.80 95.331挖除换填改良土0.5m45DK22+635.33DK22+6503.80 14.67软基挖除换填渗水土1.59m46DK22+650DK22+9805.60 3306鱼塘清淤0.600.82m；软基挖除换填改良土0.802.23m；搅拌桩桩长4.0m，正三角形布置，间距1.3m，桩径50cm47DK22+980DK23+2905.60 3105挖除换填改良土0.51.0m48DK23+290

11、DK23+3205.60 30挖除换填改良土0.711.23m49DK23+320DK23+5105.60 1903鱼塘清淤0.60m，填筑渗水土2.36m；软基挖除换填渗水土1.46m；搅拌桩桩长4.0m，正三角形布置，间距1.3m，桩径50cm50DK23+510DK23+6005.60 902挖除换填改良土0.51.0m51DK23+600DK23+7205.60 1202鱼塘清淤0.60m，填筑渗水土2.77m；搅拌桩桩长4.05.0m，正三角形布置，间距1.3m，桩径50cm52DK23+720DK23+8135.60 932挖除换填改良土0.51.0m53DK23+813DK24+

12、25012.80 4378鱼塘清淤0.60m，填筑渗水土2.072.67m；软基换填渗水土1.092.19m；软基换填改良土1.02.29m；搅拌桩桩长4.05.14m，正三角形布置，间距1.3m，桩径50cm54DK24+250DK24+38012.80 1302换填改良土0.722.52m55DK24+380DK24+82512.80 4459鱼塘清淤0.500.60m，填筑渗水土3.103.73m；软基换填渗水土1.41m；搅拌桩桩长4.05.08m，正三角形布置，间距1.3m，桩径50cm56DK24+825DK24+92012.80 952挖除换填改良土0.5m57DK24+920D

13、K25+2254.10 3053鱼塘清淤0.580.68m，填筑渗水土0.603.94m；软基换填渗水土0.81.34m58DK25+225DK25+3504.10 1251挖除换填改良土0.5m59DK25+350DK25+5754.10 2252换填渗水土0.95m；搅拌桩桩长4.05.0m，正三角形布置，间距1.3m，桩径50cm60DK25+575DK25+7304.10 1551软基换填渗水土0.622.43m；软基换填改良土0.51.0m61DK25+730DK26+0504.30 3203挖除换填改良土0.51.0m62DK26+050DK26+3804.30 3303鱼塘清淤0

14、.440.60m，填筑渗水土2.522.95m；软基换填渗水土0.801.51m63DK26+380DK26+6304.30 2502鱼塘清淤0.59m，填筑渗水土0.59m64DK26+630DK27+117.654.30 487.654软基换填渗水土0.891.0m；软基换填改良土1.0m65DK27+339.73DK27+5257.13 185.273挖除换填改良土0.5m66DK27+525DK27+7007.13 1753挖除换填改良土0.51.0m67DK27+700DK27+8007.13 1002鱼塘清淤0.60m，搅拌桩桩长4.0m，正三角形布置，间距1.3m，桩径50cm6

15、8DK27+800DK28+0807.13 2805挖除换填改良土0.51.0m69DK28+080DK28+2757.13 1954/70DK28+275DK28+4857.13 2102挖除换填改良土0.5m71DK28+485DK28+6007.13 1152/72DK28+600DK28+7007.13 1002挖除换填改良土0.5m73DK28+700DK28+8904.00 1902/74DK28+890DK29+0257.00 1352鱼塘清淤0.480.60m，填筑渗水土0.4870.60m；软基换填渗水土0.932.09m75DK29+025DK29+4107.00 2855

16、挖除换填改良土0.51.0m76DK29+310DK29+4107.00 1002鱼塘清淤0.60m，填筑渗水土2.57m；软基换填渗水土1.022.00m77DK29+410DK29+5107.00 1002挖除换填改良土0.5m78DK29+510DK29+6157.50 1052挖除换填改良土1.0m79DK29+615DK29+7007.50 851搅拌桩桩长4.04.8m，正三角形布置，间距1.3m，桩径0.5m80DK29+890DK30+0108.8 1202原地面碾压81DK31+550DK31+7505.3 2004换填82DK31+830DK31+9403.6 1101原地

17、面碾压83DK32+400DK32+6102.4 2102原地面碾压84DK32+700DK32+8104.9 1101换填85DK32+960DK33+4206.4 4609换填86DK32+960DK33+4205.8 4609换填87DK35+000DK35+1309.8 1302换填88DK35+240DK35+4304.7 1902原地面碾压89DK35+500DK35+6358.5 1352原地面碾压90DK36+670DK36+7702.90 100 1原地面碾压91DK36+770DK36+9359.80 165 3原地面碾压92DK37+230DK37+4259.20 195

18、 3换填93DK38+325DK38+5056.70 180 3原地面碾压94DK38+505DK38+71013.10 185 3搅拌桩95DK38+765DK38+8408.00 75 1原地面碾压96DK39+245DK39+4009.80 155 3原地面碾压97DK39+990DK40+20010.50 210 4换填98DK40+200DK40+3151.70 115 1原地面碾压99DK40+830DK41+0307.10 200 4左侧换填100DK41+030DK41+23010.20 200 2左侧换填101DK41+415DK41+5154.70 100 1原地面碾压10

19、2DK43+165DK43+35012.50 185 3原地面碾压103DK44+480DK44+6459.77 1653原地面碾压104DK44+770DK44+8855.00 1102换填渗水土105DK45+420DK45+5809.00 1603换填渗水土106DK45+870DK45+9105.00 401换填渗水土107DK46+010DK46+23012.00 2204换填渗水土108DK46+520DK46+6205.25 1002原地面碾压109DK47+200DK47+42012.38 2004换填渗水土110DK47+490DK47+65011.50 1603原地面碾压1

20、11DK47+800DK47+9709.72 1703换填渗水土112DK48+710DK48+9105.52 2004换填渗水土113DK49+110DK49+4508.52 3406换填渗水土114DK49+710DK49+9356.69 2354原地面碾压115DK49+985DK50+21015.38 2254原地面碾压116DK50+370DK50+4702.30 1001原地面碾压117DK52+910DK53+1302.45 2202换填渗水土118DK53+230DK53+6656.79 3356搅拌桩119DK54+390DK54+7602.80 2703原地面碾压120DK

21、56+722.DK56+795.8.47 731搅拌桩121DK56+833.87DK56+959.58.82 125.632搅拌桩122DK56+959.5DK57+080.9.45 120.52搅拌桩123DK57+224.1DK57+4658.03 240.90 5搅拌桩124DK58+145.6DK58+270.6.27 124.40 2原地面碾压125DK58+350.DK58+434.74.09 84.71换填改良土126DK58+660.5DK58+78010.99 119.52换填改良土127DK58+984.2DK59+133.97.79 149.73换填渗水土128DK59

22、+526DK59+7107.50 1843原地面碾压129DK60+118.65DK60+331.53.43 212.852换填渗水土130DK60+331.5DK60+46311.10 131.52搅拌桩、换填改良土131DK60+463DK60+631.364.54 101.361搅拌桩、换填改良土132DK60+631.36DK60+771.353.24 139.991换填改良土133DK60+771.35DK60+898.835.88 127.482换填改良土134DK60+898.83DK61+0481.53 149.171原地面碾压135DK62+415DK62+501.087.6

23、2 86.081原地面碾压136DK62+501.08DK62+701.5.59 199.924原地面碾压137DK63+018.5DK63+083.50.03 651换填渗水土138DK64+105DK64+2056.29 1002清淤139DK64+570DK64+72510.21 1553挖除换填渗水土140DK65+875DK66+0602.60 851DK65+925-DK66+000挖除换填渗水土141DK67+970DK68+1105.87 1402DK67+985-DK68+055挖除换填渗水土142DK68+711.28DK68+7804.50 68.721原地面碾压143D

24、K69+520DK69+63611.82 1162原地面碾压144DK72+438.78DK72+6355.66 96.222DK72+530-DK72+630挖除换填渗水土145DK74+850DK75+148.273.20 298.273原地面碾压146DK77+233.73DK77+7855.21 551.2711挖除塘坝、片石碾压147DK78+360DK78+7707.14 4108DK78+390-DK78+750搅拌桩加固区148DK79+580DK80+031.258.58 451.259DK79+636-DK79+863搅拌桩加固区149DK81+670DK82+0908.3

25、6 4208DK81+852-DK81+921搅拌桩加固区150DK82+860DK83+37010.80 51010DK83+010-DK83+350搅拌桩加固区151DK83+620DK84+154.258.52 534.2510DK83+736-DK83+987搅拌桩加固区152DK92+574.48DK93+2204.32 674.27清淤换填渗水土153DK93+463.13DK93+550.786.25 87.651原地面碾压154DK95+160DK96+263.774.64 1103.7710清淤换填渗水土155DK98+635.45DK99+00013.00 374.557原地面碾压156DK99+209DK99+4404.61 2312清淤换填渗水土157DK100+200DK100+457.783.10 257.782碾压片石158DK100+799DK100+9997.49 200.624换填改良土159DK103+750DK103+97012.50 2204换填渗水土160DK1