Effect of Existing Nearby Structures in Tunnel Excavation at TSC Area

Nazrul, Fuad Bin; Islam, Mohaimenul; Umama, Mohammad Abu; Mansur, Mahdi

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dc.contributor.author	Nazrul, Fuad Bin
dc.contributor.author	Islam, Mohaimenul
dc.contributor.author	Umama, Mohammad Abu
dc.contributor.author	Mansur, Mahdi
dc.date.accessioned	2020-10-28T07:42:35Z
dc.date.available	2020-10-28T07:42:35Z
dc.date.issued	2019-11-15
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P a g e \| 47 • Mahmud, K., Gope, K., Chowdhury, S.M., (2012) Possible causes & solutions of traffic jam and their impact on the economy of Dhaka city. Journal of Management and Sustainibility 2:112-135. • Uniform Field Soil Classification System (Modified Unified Description), Michigan Department of Transportation (2009). • Engineering Classification of Earth Materials, United States Department of Agriculture Natural Resources Conservation Service, Part 631 National Engineering Handbook, Chapter 3. • Bangladesh National Building Code (2006), Part 6, Chapter 2-3. • http://www.geotechdata.info/ • https://www.dhakatribune.com/bangladesh/communication/2018/08/03/subway-system-to-be-built-in-dhaka • https://profilebd.blogspot.com/2019/01/subway-in-dhaka-city-solution-of.html • http://www.newagebd.net/article/47541/subway-to-be-built-for-dhaka-city P	en_US
dc.identifier.uri	http://hdl.handle.net/123456789/600
dc.description	Supervised by Prof. Dr. Hossain Md. Shahin	en_US
dc.description.abstract	Urban underground structures e.g. construction of subway tunnels, are a crucial part of Geotechnical Engineering. Existing nearby structures have a significant impact on construction and excavation work. Until starting the key construction sequences, proper investigation and accurate analysis are needed. This study addresses the TSC area tunnel project. The tunnel should be placed considering the impacts and risks associated with building loads. In this perspective, numerical analysis can be classified as an important tool to evaluate the ground deformations, surface settlements and stress that occurred during the tunnel construction sequences. In this work, PLAXIS 2D, a finite element analysis application has been used to analyse finite elements. In the simulation, Mohr Coulomb Model model has been used as a constitutive model of the soil. Laboratory tests have defined soil parameters that characterize physical and strength properties. Triaxial tests and consolidation tests obtained design parameters. It needs only a few integrated material parameters and can take into account the effect of the principal intermediate stress on soil deformation and strength, surface settlement, displacement vector, stress path influence on plastic flow direction and density and/or including pressure influence. It was found that the simulation of soil-structure interaction and behavior according to the field scenario in the Plaxis 2D system allows for the higher safety factor. Therefore, with an advanced simulation tool Plaxis 2D, a subway tunnel network can be designed for Dhaka city after a proper prediction of ground movement and tunneling effect	en_US
dc.language.iso	en	en_US
dc.publisher	Department of Civil and Environmental Engineering, Islamic University of Technology, Gazipur, Bangladesh	en_US
dc.subject	Tunnel lining, Soil Parameters, Finite Element Method, Plaxis-2D, Surface Settlement, Numerical Analysis, Mohr Coulomb Model, Constitutive Model	en_US
dc.title	Effect of Existing Nearby Structures in Tunnel Excavation at TSC Area	en_US
dc.type	Thesis	en_US