新建铁路兰州至重庆线夏官营至广元段西秦岭隧道防灾救援技术-研究

《新建铁路兰州至重庆线夏官营至广元段西秦岭隧道防灾救援技术-研究》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、万方数据AbstractAsextra—longmountaintunnelsoftherailway1inehavemuchsuperiority,theyhavebeenusedmoreandmorewidely．Butatthesametimeextra-longmountaintunnelsalsobringsomenewproblemsofdisasterpreventionandrescue．Basedonthisreason，thedesignofrailwaytunneldisasterpreventionandrescueworkhasimportanten

2、gineeringsignificance．Duetothevariouscharacteristicsofrailwaytunnelfire，disasterpreventionandrescueoftunnelmainlygivesprioritytofiredisasters．BasedonWestQinlingTunnelbetweenXiaguanyingtoGuangyuaninnewlybuiltLanzhou—Chongqingrailwayastheresearchobject，accordingtoChina'sCode加rDesignonEvacuati

3、onEngineeringforDisaster肌ventionandRescueofRailway死，znelrelatedstandards．combiningwiththelocalactualengineeringconditions，disasterpreventionandrescuesystemofWestQinlingTunnelisresearchedanddesigneddeeply．ThroughanalyzingWestQinlingTunnelprofile，themainnaturalconditionsandtechnicalstandardso

4、fthemainline，andreferenceotherextra-longmilwaytunneldisasterpreventionandrescueplanbothathomeandabroad，combiningtherelevantspecification，thesubsystemsareselectedtocontainedinWestQinlingTunneldisasterpreventionandrescuesysteminthefinal．WhenanalyzinganddesigningeachsubsystemofWestQinlingTunne

5、ldisasterpreventionandrescuesystem，twoormoredesigningschemeshavedesignedaccordingtotherelatedspecification．Eachschemecontinuestosetanumberofsolutions．Aftercomparingtheadvantagesanddisadvantages，investmentschemes，theactualdemandandSOonofeachdesignscheme，anoptimaldesignschemewillbechosen．Them

6、aindesignresultsshow：(1)thewholetunnelsetsuparescueemergencystationatLuojialiSlope，andtheemergencyrescuestationstructureusesshelter+intensivecrosschannel，andemergencyrescuestationlengthis600m；(2)ventilationsystemuseaxialflowfantosupplyairandairatLuojialiSlope，andshelterdisasteriS160m3／sanda

7、irexhaustiS264m3／s．openareaofpressurereleasevalveis23．54m2；(3)DisasterpreventionwaterfireextinguishingsystemofWestQinlingTunnelincludes：aqueousfilm—formingfoamhydrantextinguishing，fixedautomatichighpressurewatermistfireextinguishingandwatercurtainfireext