settlement_of_shallow_foundations_on_granular_soils (Lutenegger ang DeGroot)

Table 7.1 Normalized Load-Settlement Analysis- Model Test Footings
Reference Test Conditions Other Information
DeBeer ( 1970) • Dry quartz sand D, = 32.7, 65.0, 67.8, 82.5,
•D=15cm,Dr=O 84.8, 86.5,87.5, and 89.0%
• Lab Test
• Given Quit
Siraj-Eldine and Bottero • B =Scm, LIB= 1, Dr= 0 H!B = 0.50, 0.75, 1.00, and
(1987) • Dry unit wt. = 15.8 kN/m 3 1.80
• Lab Test
• Found Quit (log Q vs. log S)
• B = 5 em, LIB= 1, Dr= 0
• Dry unit wt. = 16.7kN/m 3
• Lab Test
• Found Quit (sharp break in
loading curve)
H/B=1and2
Cooke (1988) • Diameter= 0.305m HID= 0.50, 0.75, 1.00, 1.50,
• Loose Sand 2.00, and 3.00
• Lab Test
• Quit Given (Meyerhof)
• Diameter= 0.305m HID= 1, 2, and 3
• Dense Sand
• Lab Test
• Quit Given (Meyerhof)
Poulos et a!. (1994) • Compressible calcareous a'vo = 35, 69, 103, 103, 138,
sand
172, and 207 kPa
• Dry unit wt. = 1.47 t/m 3 ,
D,=47%
• D = 2.5 em, Dr= 0
• Lab Test
• Found Quit (log Q vs. log S)
191