Rock-fill concrete

The invention discloses rock-fill concrete which comprises water, cement, gravel, sand, mineral powder, coal ash, a water reducing agent and stone. The rock-fill concrete comprises the following components in parts by weight: 160-200 parts of water, 250-540 parts of cement, 900-1000 parts of gravel, 790-870 parts of sand, 20-220 parts of mineral powder, 0-110 parts of coal ash and 1-10 parts of water reducing agent, wherein the volume of the stone accounts for 55-60 percent of total volume of the rock-fill concrete. According to the rock-fill concrete, the cement is equivalently replaced by using the mineral powder, high long-term strength can be obtained, the rock-fill concrete with excellent penetration resistance can be obtained, the durability of the rock-fill concrete is improved, the amount of the cement is reduced, the cost is saved, the secondary environmental pollution caused by the slag serving as the waste is avoided, the industrial wastes are effectively utilized, and the rock-fill concrete has hi