Question #$1-$ Aggregate Blending $(21$ marks$)$

Below are two aggregates that are accessed in local pits near the job site. The specification that we are trying to

meet is noted in the row entitled Spec. Please blend the aggregates in the proportions found by focusing on

Sieve size $1\mathrm{.}8mm$ and solving for $b.$

For Sieve $1\mathrm{.}8mm$ and using the Basic formula:

Adjusted for sieve $600m$ :

Adjusted for sieve $4\mathrm{.}75mm$ :