分隔巷道與風(fēng)管聯(lián)合式施工通風(fēng)在特長隧道中的應(yīng)用研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文分隔巷道與風(fēng)管聯(lián)合式施工通風(fēng)在特長隧道中的應(yīng)用研究姓名：陳海鋒申請學(xué)位級別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：楊其新；盧智強201105Abstract1、砌elforthecurrentuseofinclinedorhorizontalholes弱aIlauxiliarytunnelconstructionmethodoftunnelconstructioniSproposedseparatejointtype

2、constructionottunnelsandtheventilationpipeRelyingonlong—Hungtunnelproject，thepartitionofthekindsofventilationducttunnelconstructionventilationwerestudiedAxialfanaccordingtodifferentconditionstestingthewindbameduct，airpre

3、ssurechanges，thepartitionswithinthepartitionductleakagerateofairductwallsurfacefrictioncoefficientsweredeterminedthatthetunnelventilationisfeasiblepartitionNumericalsimulationofthreedimensionalmodelofthepipelineandventil

4、ationwerestudiedindifferentdivisionsofthewindwatchouselocationtllelengthofthewindposition，axialfansandtherelativepositionoftheinclinedwind，airpressureacomparativeanalysisoftheimpactofobtainedthemostreasonableventilationa

5、rrangement，greatlyimprovedthroughthefield。provenventilationThematllematicalmodelandthetraditionaleconomyofventilationwereanalyzed，obtainedseparateventilationtunnelandpipejointcangreatlyreducetheprojectcost，withbetterecon

6、omyThisventilationmodecallbepopularizedinsimilarprojectsThisthesisexpatiateonthebasictheoryoftunnelventilationutilizingCFDnumericalsimulationreliedonengineeringinstance，andverifyingthedatabyspotmeasurement，educin。gtheres

7、ultintheendComparedtheeconomyofthisventilationmodewithtraditionalduetventilationSOthattOcuttheengineeringexpenseWiththetunnellargerandlargerandassistantaditsmoteandmore，thisventilationmodecanprolongthedistanceoffirstinde

8、pendencepressintunnelventilationeffectivelyUsingietfanstodeliverairininclinedshaft，astighthole，utilizingfirstindependencepressintuImelventilatonthisventilationmodeCallovercomethedifficultofventilationresuIt矗Omassistantad