QUESTION $2$

A client has sent $100kg$ of gravel material to your laboratory and requested tests to determine its suitability for use in construction. Tables $1$ present the laboratory test results on the Sieve Analysis and Atterberg limits $($Liquid Limit and Plastic Limit$).$

Table $1$: Sieve analysis and Atterberg limits

$\backslash$table$[[$Total mass of sample: $3510\mathrm{.}5($g$)],[$Sieve Size $($mm$),$Individual Mass Retained $($g$)],[63,0],[50,56\mathrm{.}2],[28,350\mathrm{.}8],[20,530\mathrm{.}4],[14,362\mathrm{.}1],[5,\{$:$622\mathrm{.}2$:$\}],[2,295\mathrm{.}4],[0\mathrm{.}425,884\mathrm{.}5],[0\mathrm{.}075,201\mathrm{.}4],[,\backslash$table$[[$rg limits$],[$imit $=20],[$imit $=11]]]]$

$2\mathrm{.}1.$ Determine the cumulative percentage passing of the material in Table $1.$

$(9)$

$2\mathrm{.}2.$ Refer to the results obtained in Question $2\mathrm{.}1.($Sieve analysis$)$ to plot the grain size distribution curve. Use the graph given in Annexure $1$ and determine $D_{60},D_{30}$ and $D_{10}.$

$2\mathrm{.}3.$ Calculate the uniformity coefficient $C_u,$ and coefficient of gradation $C_c.$

$(4)$