A system of systems framework for the evaluation of critical infrastructure : the case of Changi international airport

Abstract

Critical Urban Infrastructures are always a crucial concern to any governments and their decision makers. Infrastructures based on the current demographic trend, future cities will provide residence for almost 70% of total global population in a few decades. However, we stand at a crossroad, that cities must change radically to achieve long-term sustainability and survivability. Shortage of energy, food and water resources, inadequate public transportation systems and other basic infrastructures, will constrain the 5