This topic studies the construction of inorganic binder stabilized base (subbase).
Option a is wrong, and it needs to be reshaped with a grader. High materials should be scraped out of the road directly, and it is forbidden to form thin layer repair phenomenon;
Option B is wrong, and every plastic operation must reach the specified slope and road arch;
Option c is correct. During the rolling process, the surface of inorganic binder stabilized materials should always be moist. When the water evaporates too fast, a small amount of water should be added in time, and a large amount of water is strictly prohibited.
Option d is wrong. It is forbidden for the roller to turn around or make emergency braking on the completed or rolling section.