Recently，Slurry balance shield machine applied by China Railway Construction Heavy Industries Co., Ltd. in the second bid section of the second phase of Bangalore Metro Project in India，Amid the cheers and shouts.，Burst out of the hard rock like a steel dragon.，The two-year excavation task was successfully completed.。

This is the third shield machine successfully completed by China Railway Construction Heavy Industries in the Bangalore Metro Project.。The shield machine is precise、The connection of all construction sections has been completed efficiently.，It fully proves the excellent performance of the heavy equipment of the railway construction in the formation of Bangalore.，It has added a lot of color to the overseas major achievements of China Railway Construction Heavy Industries.。

The Bangalore Metro Line passes through hard granite.、Mixed stratum composed of loose jointed rock stratum and soft soil。In addition，The line passes through several residential areas and several centuries-old temples.，The pile foundations of these historic buildings are shallow.，Poor foundation stability。So，Bangalore Metro Project is recognized as the most complex shield construction project in India。The second section of the second phase of the project is the most difficult section of the Bangalore Metro Project.，Uneven hardness of formation，Rock hardness up to hundreds of megapascals，There are a large number of boulders，Shallow burial depth，High requirements for settlement control，Many difficult challenges once plagued the owners and customers.，This also makes it necessary for the equipment to have extremely high excavation performance and a very precise control system.。

The shield machine of Railway Construction Heavy Industry took the lead in many projects in the same period.，He has won the monthly footage championship for many times.，And created the highest monthly footage of 377 meters of excavation record.。It provides a solid guarantee for customers to compete with other construction units on the same stage.。Successful Practice of Shield Machine in Bangalore Metro Project，Indian owners and customers have regained confidence in the use of shield construction in extremely complex strata and working conditions.。