QUESTIONS 21 What is the purpose of mix design 22 How does s

QUESTIONS 2.1 What is the purpose of mix design? 2.2 How does structural design differ from mix design? 2.3 What are the most important considerations for construction of an asphalt pavement?

Solution

Stuructural design deals with the designing the size of the members for example, in pavement, thickness of the pavement will be designed through structural design. Structureal design safeguard from the loads and it ensure safety agains the loads.

While for mix design, it deals with the materials that are used in the construction. For example in concrete pavement we use cement, sand and aggregates. These proportions are designed through mix design. It is nothing to with loads.