预应力锚索施工技术及单价分析

王家海铁道第四勘察设计院工经处武汉430063:预应力锚索技术是一种新加固土体技术,在铁路的高路堑边坡加固工程中得到越来越广泛的应用笔者结合现场施工的实际经验,简要介绍了预应力锚索技术施工工序及单价分析:预应力锚索施工技术单价分析:F40317,,,,,,,,,,,,,,,,,,,1K233+150~K233+430,280m,,,30~80m,,K233+224~K233+374,2~10m,0.3~0.5m,0.6~1.2m,K233+320~K233+385,,,10%,0.5~1.5m,,3~24m,,,,,1B0.75,,,,3~8m22.1,,CC,,/0,,/,,,,0,,,,,,审搞人:李鸿兴(收稿日期:2003-07-10)62003年第5期,,,,,,,2.21(mm)3:yyyyyyy3.1,,,,,,20~30mm,,,1,100~200mm,,200~300mm,6~10mm,1~2C15,300kg/m3,15mm3.2,?0.2mYQ-100(),5100~180mm(110mm),([20m3/min),,3.34515.24mm1860,,,OVM15-4,1.5~2m3.4()(),,,24,72003年第5期,3.570%(15~20),15(25%50%70%100%110%),43~5,520~3016~10,3.6,3,,,4,,,,675m,4.13,,,,4.1.1675m,,,1m0.584;1t30.95;1.644.1.2,,10.79kg,1kg,0.013m3,0.03;1t1040kg,36.9kg,18.12,8.5kg,233.9m;54.3kg,0.089m3,0.116m3,51.5kg,19.33kg4.1.30.217,0.074,1.58,0.69,0.17,13.014.2,1:1(m)(t)()()142.6915768.03140.159.84521.5127.6324.7913924.25104.73108.071322.287.79(t)0.041.160.406116.850.5849.8430.95521.511.6427.6353525kg0.310.793.2454.316.291014t2004.010.0012.0082003年第5期353m316.510.0130.210.0891.47299m330.300.1163.51385kg1.401.902.666849kg46.488.71404.841844kg9.5610409942.401207kg2.3151.50118.9727.1562.722021kg18.1536.90669.742741OVM15-4115.5318.122093.4030913.9518.1271.5730922.46151.14372.443077kg3.6419.3370.361.274.624049kg0.466.002.764507F53-1kg10.910.101.094817m0.41233.995.9046454.1918.1275.925043m25.551.307.227119150mm511.070.0315.33189514.008.702.3919059d[150mm292.350.21763.4419108[20m3/min486.820.07436.0219263[50kN65.131.58102.911975285.300.6958.861975988.400.1715.0319518[2@400L123.140.011.2319519[140L/min396.900.013.9716583[650kN24.3813.01317.1819688[63MPa62.1713.01808.83199913.419.477.79:(1):(2):(3):(4)5,审稿人:李连顺(收稿日期:2003-08-20)92003年第5期DeterminationofresponsibilitycostofengineeringprojectsAbstract:Thecentraltaskofconstructionwithprojectmethodistoworkouttheprojectresponsibilitycostofascientificandreasonablenature.Whetherthedeterminationoftheresponsibilitycostisscientificandrationald-irectlyaffectstheprojectmanagementinallrespects.Onlybyformulatingscientificallyandreasonablytheprojectresponsibilitycostwillitbeabletoeffectivelystrengthenthereasonableconfigurationandcontrolofprojectinrelationtopersonnel,financeandmaterialstoachievetheeconomicbenefitstothemaximum.KeyWords:Engineeringproject,responsibilitycost,determinationAnalysisofquotationevaluationmodeAbstract:Thisarticlegivesabriefintroductiontothecommonly-usedmethodsofevaluationonquotationsintenderbiddingandmakesananalysisofthecharacteristicsthereof.KeyWords:Tenderbidding,quotation,evaluation,methodPrestressedanchoragecableconstructiontechniqueandunitpriceanalysisAbstract:Prestressedanchoragecableconstructiontechniqueisanewtechniquewherewithtostrengthentheearthbody,whichismoreandmorefrequentlyappliedtothestrengtheningworksofrailwaydeepcutslopes.Theauthormakesabriefingcombinedwithhispersonalexperienceinthefield,ontheworkprocessofthepre-stressedanchoragecableconstructiontechniqueandperformsananalysisoftheunitpriceKeyWords:Prestressedanchoragecable,constructiontechnique,unitpriceanalysisCostanalysisof24mdoubletrackboxgirderserectionbybridgingmachineAbstract:Basedontheactualconditionsinerectingthe24mdoubletrackboxgirdersonQinghuangdao-Sheyangpassengerdedicatedline,thisarticlemakesadescriptionofthedivision,causeofincurrenceandcompo-sitionoftheerectioncost.KeyWords:Passengerdedicatedline,bridgingmachine,erectionofboxgirder,costanalysisTechno-economicanalysisofblastcontrolforPengshuiTunnelAbstract:Thisarticlegivesanintroductionontheblastcontroldesignandtechnicalmeasuresfortheconstruc-tionofPengshuiTunnelonChongqing-Huaihuarailway,whichstrictlycontrolstheblastresultsandtheim-pactsontheenvironmentandtheextentofdamages,andreducestheundercutandincreasethevestigerateofblastingholestomeettheendofacceleratingconstructionprogress,cuttingthecost,promotingtheeconomicbenefitsandensuringthesafetyandqualityofconstruction.KeyWords:railwaytunnel,blastcontrol,techniqueDeliberationonallocationofconstructionmachineryAbstract:Whetherornottheallocationofconstructionmachineryisreasonablenotonlyaffectstheavailabilityofthemachineryandtheconstructionprogressbutalsodirectlyinfluencestheengineeringcostandeconomicbenefitsofconstructionenterprises.Inthisarticleaneconomiccomparisonismadewiththemathematicalmethodbetweentheschemesofself-procurementandleasingofthemachinesandananalysisisperformedoftheoptimumorganizationonthecoordinationandcomplementofthemachinery.KeyWords:complementofmachinery,economiccomparison,optimumorganizationConstructionmethodselectionandcostanalysisofbuildingenclosureoffoundationpitformetrostationsAbstract:Thecostdifferenceofmetrostationsisreflectedmainlyinthetypeselectionofthebuildingenclosure.Inthisarticleadetailedanalysisisgivenoftheapplicableconditionsandcostofdifferentstations,differentburieddepthsanddifferentbuildingenclosuresbeforechoosingtheenclosuretypewhichshouldbereasonableineconomy,viableintechnicalityandabletoensuretheengineeringsafety.KeyWords:Metrostation,foundationpit,buildingenclosure,constructionmethod,comparison,costanalysisABSTRACTSNO1512003