The ABC Company is planning to start a new operationhauling sand to a ready-mix concrete plant. The equipmentsuperintendent estimates that the company-owned 30-yardwheel tractor scrapers can obtain 26-ton loads. He is concernedabout the high RR of the units in the sand (RR factor250 lb/ton) and the low tractive ability of the tractors on thisjob. Will traction be a problem? If so, what do you suggestto help?

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Types of Concrete

Concrete is the fundamental material used in civil engineering such as building materials for building structures. Concrete is an aggregate mixture of cement, sand, and fine and coarse rock pieces. The cement acts as a binding material that holds the compositions together, sets, and hardens with time. Apart from cement, there are other different types of binding materials used, such as lime concrete, bitumen, asphalt, and so on.