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EPB  excavation  of  less  than  five  meters  below  the  historic structure of Chandpole Gate on the Jaipur Metro Project

EPB excavation of less than five meters below the historic structure of Chandpole Gate on the Jaipur Metro Project

14860

J. Clark / C. Cooper

The tunnels excavated by Continental Engineering Corporation (CEC) for the underground section of the Jaipur Metro project faced the usual challenges posed by metro projects worldwide, including small site footprints, and the associated problems regarding segment and muck storage space, etc. These challenges were, however, relatively straightforward when compared to the challenges faced by the tunneling operations. The Earth Pressure Balance (EPB) TBMs were required to bore under extremely low overburden, alongside and beneath several culturally sensitive historic structures. The age of these structures and their construction methods/materials were of great concern when considering the possible consequences of tunneling-induced ground settlement and vibrations. This paper will describe the measures taken regarding TBM operations and surface monitoring to ensure that these historic structures suffered no adverse effects due to tunneling.

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10,00 €

Year 2017
City Bergen
Country Norway