Improvement of Bearing Capacity of Shallow Foundation on Geogrid Reinforced Silty Clay and Sand

Table 2

Different tests and parameters used in the experimental investigation.

Test no.	Test types	𝑁	𝑢/𝐵	ℎ/𝐵	𝑏/𝐵
1	Silty clay soil only	0	0	0	0
2	Sand only	0	0	0	0
3	Local soil and sand layer	0	0	0	0
4	1 geogrid in the interface of silty clay soil and sand layer	1	0.67	0	6.44
5	1 geogrid at the middle of sand layer in two-layer soil	1	0.33	0	6.44
6	1 geogrid at the middle of sand layer and 1 geogrid in the interface of two soils	2	0.33	0.33	6.44
7	1 geogrid at the middle of sand layer, 1 in the interface of two soils, and 1 in silty clay soil, respectively	3	0.33	0.33	6.44
8	1 geogrid at the middle of sand layer, 1 in the interface of two soils, and 1 in silty clay soil, respectively	4	0.33	0.33	6.44