Which is more expensive, stone retaining wall or flaky?

The cost of stone retaining walls and rubble is very high. According to relevant public information, 90 yuan /m3 is used for the block stone concrete retaining wall and 1 10 yuan /m3 for the flaky retaining wall. Rubble is often used to build subgrade slopes, retaining walls and bridge slope protection. Block stone refers to the rock with a roughly square shape that meets the engineering requirements after mining and processing. Block stone has low cost and less time consumption.