高原高寒地区隧道施工技术研究

上海交通大学硕士学位论文高原高寒地区隧道施工技术研究姓名：曹红彬申请学位级别：硕士专业：建筑与土木工程指导教师：王建华;冯卫星20061101-I-50-II-StudyontunnelconstructiontechniquesincoldplateauregionsABSTRACTTunnelinginColdPlateauissubjectedtotheconstructionconditionofthelowtemperatureandlowatmosphericpressure.Comparedwithordinaryregions,specialconstructiontechniquesshouldbeadoptedtodealwithproblemsinducedbyColdPlateausuchasfreeze-thawdamage,Combustionpowerequipmentefficiencydecrease,andWasteGasDischargingandVentilation.Inthecomingfiveyears,morethan50kilometerstunnelwillbeconstructedintheColdplateauofwesternChina.However,specialconstructiontechniquesincoldplateauhavenotbeenwellstudiedtoensurethecontinuousconstructionofconcreteintheseregions.ThisthesispresentasystematicresearchonconstructiontechniquesinColdplateaubasedonacasehistoryoftheZhehushantunnelconstruction.Inthisstudy,basedonfieldtestdataanalysisandtheoreticalresearchonwinterconstruction,concreteanti-freezeconstructiontechniquesisdeveloped;thecomponentdesignanduseofChemicalAdmixturesareimproved;researchonplateauventilationequipmentefficiencyisconductedtoenhancetheventilationability;combustionpowerequipmentisupgradedtorecoverefficiency;anewintegratedpatternforconstructionequipmentincoldplateausisdeveloped.Keywords:coldplateausregions,tunnelconstruction,anti-freezetechniques,ventilation,constructionequipmentintegration-III-hm-1TNthTTbT1c1c2KJ/KgKKJ/KgPsPg%TwTcTsTg~213131(1)-3-(2)3330420068Kpa13.7%444844462200(3)04000100010812%1013343330m34%25%53%23132(1)(2)(3)14141142(1)(2)(3)-4-15151(1)(2)(3)152(1)(2)(3)(4)(5)(6)(7)(8)153(1)(2)-5-(3)100%20%1650%3000550440017(1)(2)(3)(4)(5)-6-21317444880~140m2,5.53300m3.3~3.8°C-30°C~-31°C1.01m47cm40km/h2m3.5m5m9m201004.5m5m4448m()4446m37~46m24220014A()2381m2393m20014~200492-140km/h7.5m9.0m7.5m+20.75m5.0m3.5m30m20100-7-2-1223400m42004200m4415m1070m1400m9458400020400600120m-8-3900m233.33.828.220.030~31.1910938mm5107080%4.84.9g/m313.9g/m370%565587mm1.01m47100cm1.7m/s24m/s24241Q4T2zT3zhT3xr630%IIIII2421030m-9-HCO3--Ca2+Mg2+HCO3--Ca2+Mg2+107154mg/L254~5-10-3131131232WDA5WSS3-13-23-33-13-30°C-10°C-17°C3-43-60°C-10°C-17°C1m0°C-11-30~50cm90~110cm800m3-105010020030040050060065070075080090002.56.59.710.310.510.811.411.811.311.810.911.71.23.56.39.810.310.710.911.611.911.611.711.211.90.55.57.18.58.510.311.010.910.911.911.611.911.611.81.06.57.78.48.610.510.910.611.112.111.711.912.111.81.56.47.98.38.811.511.311.311.912.111.811.911.712.22.06.68.58.810.511.711.911.511.912.311.912.111.512.43.07.08.59.311.211.811.412.111.912.31211.811.713.64.07.38.29.511.512.312.112.212.312.412.512.212.213.6-12-3-2-1050100200300400500600650700750800900-10-10-10-6.5-4-3-2-3-1.50.56.5711.4-10-9.5-9-6-3-2.5-2-1.5-11.58911.50.5-2-2-2.50.5222.532.54.589.511.51.04.55.04.578.59.59.51111.311.511.411.512.31.55.56.5779109.51211.811.711.511.512.92.066.57.57.591111.512.212.312.412.512.513.13.06.77.58.49.510.511.412.112.312.512.412.512.913.54.07.27.59.01111.912.012.312.512.712.712.912.913.53-3-1750100200300400500600650700750800900-17.1-17.1-10.3-9.3-8.1-6.3-1.50.2-0.42.55.26.36.5-16.5-16.3-9.2-8.1-7.3-5.6-0.70.60.53.25.86.97.20.5-1.1-0.9-0.9-0.20.60.61.11.31.83.56.16.97.51.03.33.54.24.55.16.66.77.17.37.57.58.18.61.556.26.56.87.39.19.59.79.810.310.610.810.82.05.56.5779109.51211.811.711.511.512.93.06.46.57.57.591111.512.212.312.412.512.513.14.06.87.28.79.511.211.512.512.312.512.412.512.913.5-13-3-103-2-10-20-100102001234/m/oC50100200600900-20-100102001234/m/oC50100200600900-14-3-3-173-40-20-10010200100200300400500600700800900/m/oC0.51.01.52.03.04.0-20-100102001234/m/oC50100200600900-15-3-5-103-6-17-20-10010200100200300400500600700800900/m/oC0.51.01.52.03.04.0-20-10010200100200300400500600700800900/m/oC0.51.01.52.03.04.0-16-33(1)(2)20015%,5%(3)34(1)(2)(3)(4)(5)35351(1)6m312mH60(2)450kg/m30.50.55-17-1416cm4.5%7%32.5RC25300~360Kg/m3C20290~330Kg/m3390~485Kg/m320~40mm5~20mmPH8.30.5~0.55+3-5RB1+AEA+3-5+AEAIJA1GMHZ65STC10%5~7%3-1(3)5MpaRB-1AEAHZ-6AEASTC205105Mpa(4)a-18-1bcd11KW6m323-7-19-3-1()C:W:S:G:F:1:F21m3(Kg)C:W:S:G:F:1:F2(%)(cm)(%)28(Mpa)200(%)C101:0.55:3.208:5.46:0.01:0235:129:754:1283:2.4:00.5531.46615C201:0.6:2.417:4.121:0.01:0290:174:701:1195:2.9:00.629.75528C251:0.53:2.435:3.634:0.02:0.08301:159:733:1094:6.02:240.5332.11553214.1S10+3C201:0.5:2.216:2.216:0.04388:194:860:860:15.50.537.4248~10C101:0.53:3.208:5.46:0.02:0235:125:754:1283:4.7:00.5531.45.5616C201:0.52:2.417:4.121:0.02:0290:151:701:1195:5.8:00.629.76519+3~-5C251:0.53:2.435:3.634:0.02:0.08301:159:733:1094:6.02:240.5332.11653213.8S1012~14-20-()C:W:S:G:F:1:F21m3(Kg)C:W:S:G:F:1:F2(%)(cm)(%)28(Mpa)200(%)C201:0.5:2.216:2.216:0.04388:194:860:860:15.50.537.425C101:0.51:3.208:5.46:0.035:0235:120:754:1283:8.2:00.5131.56.5616C201:0.56:2.287:3.893:0.035:0310:174:709:1207:10.9:00.5629.56.5628C251:0.50:2.305:3.460:0.035328:164:756:1135:11.5:260.531.714.553114.7S10-5~-10C201:0.45:2.051:2.051:0.06430:194:882:882:25.80.4536.92520~22C101:0.53:0.952:5.03:0.04:0253:1