Question $5$

TPG$3700$ Assignment $1-02/04/2024$

$5\mathrm{.}1$ Briefly describe the meaning of the following pavement design concepts:

$5\mathrm{.}1\mathrm{.}1$ E$80$s$.$

$5\mathrm{.}1\mathrm{.}2$ Pavement serviceability.

$5\mathrm{.}1\mathrm{.}3$ The concept of "material depth".

$(2)$

$(2)$

$5\mathrm{.}2$ The sketch below shows critical timing and actions during the life cycle of a road pavement to be constructed in the Northwest province.

$5\mathrm{.}2\mathrm{.}1$ Calculate the cumulative E$80$s and the traffic class.

$5\mathrm{.}2\mathrm{.}2$ Draw a labelled graph to show the time versus riding quality relationship.

$5\mathrm{.}2\mathrm{.}3$ Explain the type of failure and maintenance requirement at years $2031$ and $2039.$

$5\mathrm{.}3$ Given: road category $B,$ Weinert value $=1\mathrm{.}8,$ design $CBR=9\mathrm{.}6\%,$ and cumulative traffic per design lane over $20$ years SDP $=2\mathrm{.}98$ million E$80$s$.$ Use TRH $4$ and provide all possible