个人资料整理，仅供个人学习使用 1 / 1 Workmanship flaw chart for sub grade filling Geological survey Clean base and survey and laying-out Rolling base before filling Checking base Filling in layer Paving with bulldozer Leveling with grader Rolling Checking Do well record and check signed certification Sub grade shaping Demarcate optimum dampness and maximal dry density by compactness Demarcate opt