Research on Design Indicators for Graded Crushed Stone Mixture Based on Vibration Molding Method

Table 3

Maximum dry density of graded crushed stone mixtures with different molding methods.

No.	Modified Proctor compaction		Traditional vibration compaction			Modified vibration compaction		Practical construction
	Maximum dry density (g/cm^3)	Difference of maximum dry density (g/cm^3)	Maximum dry density (g/cm^3)	Difference of maximum dry density (g/cm^3)	Average jump time (s)	Maximum dry density (g/cm^3)	Difference of maximum dry density (g/cm^3)	Maximum dry density (g/cm^3)
1#	2.317	0.014	2.462	0.032	137	2.357	0.013	2.366
2#	2.297	0.011	2.433	0.038	121	2.331	0.027	2.332
3#	2.320	0.021	2.419	0.033	129	2.360	0.014	2.367
4#	2.259	0.025	2.375	0.022	136	2.307	0.016	2.307
5#	2.201	0.019	2.257	0.027	89	2.219	0.009	2.241
6#	2.165	0.014	2.288	0.022	114	2.206	0.014	2.223
7#	2.306	0.016	2.452	0.029	137	2.359	0.018	2.358
8#	2.274	0.022	2.327	0.054	65	2.324	0.019	2.335
9#	2.314	0.028	2.419	0.022	93	2.359	0.015	2.374
10#	2.218	0.024	2.358	0.041	118	2.252	0.024	2.274
11#	2.223	0.017	2.350	0.034	102	2.272	0.023	2.289