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List of products by author: S. M. Pourhashemi
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NATM Tunneling in Urban Area, A Review of Planning, Executing, and Monitoring in Tehran Metro Line 6
Abstract: The EPB-TBM is usually used in a ground which has a significant part of finegrained soil. A suitable ground for an EPB machine, after excavation and entering into the pressure chamber, becomes a plastic material with required ability to apply the face pressure. Tehran metro line 6 project with length of 31.2 km has an extension part about 6 km. The path of extension part is located in both of...
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Rock Conditioning in EPB-Tunneling, Case Study: Southern Extension of Tehran Metro Line 6
Abstract: The EPB-TBM is usually used in a ground which has a significant part of finegrained soil. A suitable ground for an EPB machine, after excavation and entering into the pressure chamber, becomes a plastic material with required ability to apply the face pressure. Tehran metro line 6 project with length of 31.2 km has an extension part about 6 km. The path of extension part is located in both of...
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Structural analysis and design for final lining bifurcations in alluvial grounds Niayesh Tunnel (Tehran, Iran)
Abstract: This paper is to present the structural analysis and design of the final lining for the bifurcations of Niayesh tunnel minimum overburden(18m) .The tunnel section considered for design has a maximum width of 30m and maximum height of 17m.The main tunnel lining is composed of a double shell lining system consisting of both initial support and final lining . It is assumed that all loads are...
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Tunnel Monitoring During the Excavation Phase and Cost Optimization - a Case Study of Hakim Tunnel
Abstract: Although with the expansion of the urbanization dimensions of urban transportation have extended, it has not been able to meet the traffic needs of people in cities. This issue has been more pronounced in medium and large cities around the world and using public transportation systems to move people seems imperative to the extent that finding a solution for mass transportation expansion is...
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