Figure 8-7.5: Allowable bearing pressure on cohesionless soil layers stabilized by vibroflotation

Geotechnical Engineering Procedures For Foundation Design of Buildings
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UFC 3-220-01N

15 AUGUST 2005

Figure 8-7.5 Allowable bearing pressure on cohesionless soil layers stabilized by

vibroflotation

Table 8-7.3 Vibroflotation Patterns for Isolated Footings for an Allowable Bearing

Pressure

Pattern

Vibroflotation

Center to Center

Square Footing

Points

Spacing in meters

Size in meters

(feet)

1.2 (4.0)

---

1.4 1.7 (4.5 5.5)

1.8 (6.0)

Line

1.8 2.1 (6 - 7)

2.3 (7.5)

Triangle

2.3 2.9 (7.5 - 9.5)

1.8 (6.0)

Square

3.0 3.7 (10 12)

2.3 (7.5)

Square +1

@ center

8-100