$(1)$ What are the objectives of stabilisation?

$(2)$ What is "mechanical stabilisation or modification"?

$(3)$ What soils can be stabilised with lime$?$

$(4)$ Describe how lime stabilisation works.

$(5)$ What is the "initial lime consumption test" used for?

$(6)$ Would you stabilise a soil with lime if the lime demand of the soil were $9\%?$ Explain.

$(7)$ Explain why mixtures of lime and slagment can be successfully used to stabilise intermediate soils $($soils without sufficient clay$).$

$(8)$ Identify four of the factors that affect the strength of cement$-$treated soils.

$(9)$ What are the advantages of a bitumen$-$treated base?

$(10)$ What are the attractive qualities of an ETB $($emulsion$-$treated base$)?$

$(11)$ Describe the process of stabilising a soil with foamed bitumen.