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

Table 5

Soil parameters under different working conditions.

Number	Intercept cohesion	Internal friction angle	Compactness/%
	c (kPa)	φ (°)	Before vibration	After vibration
1	26.9	27.4	88.2	—
2	23.6	28.9	88.3	88.2
3	21.3	27.7	88.2	88.0
4	18.4	27.8	88.2	87.9
5	16.1	27.8	88.3	87.9
6	22.7	27.2	88.3	88.2
7	18.0	29.1	88.4	88.2
8	14.5	29.0	88.3	88.0