http://www.iaeme.com/IJARET/index.asp 157 editor@iaeme.com International Journal of Advanced Research in Engineering and Technology (IJARET) Volume 11, Issue 7, July 2020, pp. 157-170, Article ID: IJARET_11_07_017 Available online athttp://www.iaeme.com/IJARET/issues.asp?JType=IJARET&VType=11&IType=7 ISSN Print: 0976-6480 and ISSN Online: 0976-6499 DOI: 10.34218/IJARET.11.7.2020.017 © IAEME Publication Scopus Indexed STABILITY ASSESSMENT USING NUMERICAL MODELLING FOR LARGE UNDERGROUND SPACE IN URBAN AREAS FOR UNDERGROUND PARKING FACILITY AT METRO STATION Dinesh R A* M.Tech Scholar, Department of Mining Engineering, VNIT- Visvesvaraya National Institute of Technology, Nagpur, Maharashtra, India Yerpude R R Professor, Department of Mining Engineering, VNIT- Visvesvaraya National Institute of Technology, Nagpur, Maharashtra, India *Corresponding Author ABSTRACT The existing use of underground space and further options of strengthening and integrating underground spaces into traditional planning process in urban areas has been surveyed through various studies and importance of underground spaces are explained in urban area. Urban underground space provide solutions for traffic congestion and here is such approach related to traffic congestion, lack of space, emission of pollutants through vehicles demanding for need of urban underground space. With increase in traffic and congestion scenario, metro has been playing vital role in metropolitan cities of India but there’s always need for off-street parking like underground parking facilities at metro station considering the lack of space for parking, rise in motorized vehicles, congestion scenario in numerous urban areas of country. The underground parking station at metro station is going to be first of its kind in India. The various studies related to stability excavations, factors for underground parking, Deep excavations and working sequences are being studied and Top down construction Methodology adopted at urban area which has become a trend for its speed in execution. The numerical modeling was also done with respect to stability for respective geometry with basic soil parameters from a study. The Finite element modeling was done with RS2 2019 software. After detailed survey and on few assumptions two models were done for metro station which was dimensionally 32 mx21 m and to metro corridor for length of 200 m considering the plastic condition with 3 noded triangles with Mohr-Coulomb failure criteria. The Installation of diaphragm wall and struts are done with the sequential excavation i.e Top down construction methodology is adopted for 4 levels of excavation phases of underground