ABSTRACT
Contents 3.1 Introduction .............................................................................................. 44 3.2 Overview of CBTC’s Capacity ...................................................................45 3.3 Rail and Fastening Parts Infrastructure ..................................................... 46
3.3.1 Superstructure Subsection.............................................................. 46 3.3.2 Rail Overview ................................................................................ 46
3.3.2.1 Defects in Rails ................................................................47 3.3.3 Fastening Parts Overview ...............................................................49 3.3.4 Critical Place on Rail Network .......................................................49
3.4 Rail and Fastening Parts Inspection ...........................................................50 3.4.1 Manual and Automated Visual Rail Inspection ..............................51 3.4.2 Liquid Penetrant Rail Inspection ....................................................52 3.4.3 Ultrasonic Rail Inspection ..............................................................52
