The Influence of Pile-Driving Vibration on the Soil Nailing Support of a Silty Soil Foundation Pit

Table 4

Test working conditions.

Number	Excitation force (kN)	Vibration frequency (Hz)
1	—	—
2	2	6.7
3	4	6.7
4	6	6.7
5	8	6.7
6	4	5
7	4	8.3
8	4	10

The overburden pressure of 80 kPa was determined according to the overburden earth pressure of the actual engineering soil nails.