Asphalt roads wear more than concrete roads, but many countries are replacing concrete roads with asphalt because it is cheaper, despite concrete roads having some major advantages. Learn about the advantages and disadvantages of the different road paving surfaces in this article.
Field tests on cements are carried to know the quality of cement supplied at site. It gives some idea about cement quality based on colour, touch and feel and other tests.
Invitation to tender
When all the preliminaries are completed and the owner has decided to proceed with the work, tenders are invited. Legally this is an attempt to check if there would be interested contractors to carry out the work within the estimated limit of time and finance.
