You have developed a trackform for High Speed Two Ltd $($as part of your group coursework$).$

Based on the trackform designed for the high$-$speed rail line, develop solutions, rationales and

justifications for the following questions:

$5.)$ Describe mechanisms of trackbed deterioration. Start by briefly describing the load transfer

mechanism. State how the trackform influences trackbed behaviour. Explain the main modes

of trackbed $($formation$)$ failure