6931

6473

كارشناسي ارشد

مكانيك سنگ

اصفهان: دانشگاه صنعتي اصفهان، دانشكده معدن

1390

[نه]، 137ص.: مصور، جدول، نقشه، نمودار

ص.ع. به فارسي و انگليسي

مسعود چراغي سيف آبادي

حميد هاشم الحسيني، پدرام پيروي نسب

11/5/91

لهراسب فرامرزي، محمدعلي روشن ضمير

1396/09/18

كتابنامه

معدن

مهندسي معدن

ID6473

به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي

Stability Analysis and Support System Design of Sardasht Long Tunnel Sattar Azami s azmi@ac iut ac ir Date of Submission 18th Februery 2012 Department of mining Engineering Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language FarsiSupervisor Masoud cheraghi cheraghi@cc iut ac irAbstractIn order to optimum exploitation of country water resource and energy production utilize of Clas riverwater resource in the west Azarbaejan province Sardasht city via make dam on that river was anticipated The goal of the project accomplishment in the first point is electricity energy production and agricultureand etc set in next preference Main purpose of this thesis is stability analysis and conveyance tunnel topowerhouse support system design with consider anisotropy condition that tunnel cross slate rocks andalso inner hydrostatic pressure For stability analysis empirical and numerical method have utilized Wihtrock mass classification systems RMR Q GSI Long Sardasht tunnel route have been categorized and fourgeothnical zones comprise three zones whit almost similar character and fault zone with different characterwith other have been specified Long Sardasht tunnel geomechanical parameters based laboratory data rockmass engineering classification system empirical relation and engineering judgment determined Based adifferent rock classification system tunnel route s rock mass set in the very weak to weak class based onthe RMR system and exceptionally poor to very poor based Q system With attention to result of rock engineering classification for numerical modeling continuum method andFLAC3D software was choice For rock mass anisotropy effect on the stability and tunnel s perimeterdisplacement different angle of anisotropy plane angle considered For analysis Ubiquitous joint model andMohr Cloumb model have been utilized In numerical modeling tunnel for two state without external waterpressure and also inner water pressure with groundwater that have been considered hydrostatic wasmodeled With attention to result of numerical modeling the critical state was empty condition anddifference quantity in the axial force in the empty tunnel of inner water pressure to the inner water pressurecondition is half In the ultimate inner hydrostatic pressure for different thickness and excavation withshield machine tunnel have been analysed ed In the cases that axial force and bending moment acting onthe segment was critical shield thickness and void gap that resulting of the shield telescopic have beenmodeled and in the fault zone two percent of tunnel diameter overcut have been considered Because in theall long of tunnel on support system applied for Long Sardasht tunnel support system optimum thicknessof 35 centimeter have been suggested With respect to inner water pressure and for cracking control of thelining also observe ACI 318 standard the spacing between bars so that have been choice that width of crackwill smaller of standard quantity Also in the zones that applied abiquitous model three type ofreinforcement system based axial force and bending moment induced in the lining have been designed andwith increasing in depth axial force and bending moment difference between mohr and abiquitousmodel have been decreased Keywords Stability analysis and support system design pressure tunnel anisotropy mechanical excavation reinforcement

مسعود چراغي سيف آبادي

حميد هاشم الحسيني، پدرام پيروي نسب

لهراسب فرامرزي، محمدعلي روشن ضمير