Research on Subgrade Differential Settlement Control Standard and Treatment Technology Based on Driving Comfort

Table 10

Geogrid paving scheme parameters for longitudinal cut to fill location.

Vehicle speed (km/h)	Distribution distance of differential settlement l (m)	L1 (m)	L2 (m)	L3 (m)	h1 (m)	h2 (m)	n1	n2
120	l ≤ 2000	20	10	8	1	1.5	2	2
	2000 < l ≤ 4000	15	8	6	1.5	2	2	1
	l > 4000	12	6	5	1.5	2	2	0
100	l ≤ 1670	15	8	6	1	1.5	2	2
	1670 < l ≤ 3340	12	8	6	1.5	2	2	1
	l > 3340	10	6	5	1.5	2	2	0
80	l ≤ 1330	10	6	6	1	1.5	2	2
	1330 < l ≤ 2660	8	6	5	1.5	2	2	1
	l > 2660	6	5	4	1.5	2	2	0
60	l ≤ 1000	8	6	5	1	1.5	2	2
	1000 < l ≤ 2000	6	5	4	1.5	2	2	1
	l > 2000	5	4	3	1.5	2	2	0
40	l ≤ 670	6	5	4	1	1.5	2	2
	670 < l ≤ 1340	5	4	3	1.5	2	2	1
	l > 1340	4	3	3	1.5	2	2	0