Gravel Roads Construction and Maintenance and role of asphalt
For the Gravel Roads the “gravel” is actually aggregate that sticks to the emulsion and, after rolling and sweeping, provides a skid-resistant surface to improve safety. As vehicles travel over the newly applied surface, some of the aggregate may come loose under the tires. 1. Engineering design: Engineering design starts from planning and site survey then includes bidding the contract, inspection for all required equipment, borrow pits selection for both embankment and gravel source, source of water and fly camp for operators and related staffs. Planning is client responsibilities to provide engineering study, project fund and time schedules. Site survey is to detect the road route on site and study the type of existed soil and water stream...