3. Verify mix design and construction related to technical specifications and the upper and lower gradation fluctuation range of technical performance verification Synthesis Mixture grading curve. (1) determined by the target gradation curve according to the average stall sieve material, which is determined using the ratio of the synthesis mixture obtained gradation. (2) Synthesis of mixture gradation for heavy compaction tests and 7d age of unconfined compressive strength tests to verify the performance of the mixture. (3) The fluctuation range of materials have been used in a proportion determined stall and stall graded material, gradation fluctuation calculating the actual production of the mix, and for this fluctuation range, the lower limit of performance verification. (4) inorganic binder stable base material, when the strength to meet the requirements, it still should test the anti-erosion and crack resistance.