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Soil Young's Modulus (E) for Mohr-Coulomb Model 2
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tipsabc,
Table 4.4.7.2.2A in AASHTO Standard Specifications for Highway Bridges (HB-17) presents a table of Elastic modulus ranges for several different soil types based on information published by Bowles and the US Navy.
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Barring that, The US Navy, in DM7.01, suggests the following correlations for Es:
Es(tsf)/N1 (corrected SPT N)
Silts, sands silts, slightly cohesive silt-sand mixtures: 4
Clean, fine to med, sands & slightly silty sands: 7
Coarse sands & sands with little gravel: 10
Sandy gravels and gravel: 12
Es/qc (from CPT - same units as qc)
Sandy soils: 2
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Bowles has many ranges and empirical correlations listed in Tables 2-6, 3-5 and 5-5 from the 1982 edition.
Hope this helps.
Jeff
Jeffrey T. Donville, PE
TTL Associates, Inc.
Table 4.4.7.2.2A in AASHTO Standard Specifications for Highway Bridges (HB-17) presents a table of Elastic modulus ranges for several different soil types based on information published by Bowles and the US Navy.
-----
Barring that, The US Navy, in DM7.01, suggests the following correlations for Es:
Es(tsf)/N1 (corrected SPT N)
Silts, sands silts, slightly cohesive silt-sand mixtures: 4
Clean, fine to med, sands & slightly silty sands: 7
Coarse sands & sands with little gravel: 10
Sandy gravels and gravel: 12
Es/qc (from CPT - same units as qc)
Sandy soils: 2
-----
Bowles has many ranges and empirical correlations listed in Tables 2-6, 3-5 and 5-5 from the 1982 edition.
Hope this helps.
Jeff
Jeffrey T. Donville, PE
TTL Associates, Inc.
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