Alternative Title

Paper No. 1.16

Location

St. Louis, Missouri

Session Start Date

3-8-1998

Session End Date

3-15-1998

Abstract

Site investigation is a scientific process, its main objective being to provide definite values of soil properties and parameters for the foundation design and construction engineer, so that an economic and safe design can be prepared. For many years, plate loading tests have been used and yield dependable information. Geotechnical investigations of sands and sandy soils invariably involve the use of standard penetration tests (SPT) but the test results are apt to be variously interpreted with respect to foundation analysis. This paper attempts to set out a rational approach for the interpretation of the field N-values upon which the allowable soil pressure of cohesionless soils are normally predicted. The validity of Peck, Hanson & Thornburn (1974)'s SPT-correction method and allowable soil pressure chart are analysed and a new SPT-correction method and chart have been propounded in the background of a digest of available data and literature extent on the subject.

Department(s)

Civil, Architectural and Environmental Engineering

Appears In

International Conference on Case Histories in Geotechnical Engineering

Meeting Name

Fourth Conference

Publisher

University of Missouri--Rolla

Publication Date

3-8-1998

Document Version

Final Version

Rights

© 1998 University of Missouri--Rolla, All rights reserved.

Document Type

Article - Conference proceedings

File Type

text

Language

English

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Validity of Peck, Hanson and Thornburn's SPT Correction Method and Soil Pressure Chart

St. Louis, Missouri

Site investigation is a scientific process, its main objective being to provide definite values of soil properties and parameters for the foundation design and construction engineer, so that an economic and safe design can be prepared. For many years, plate loading tests have been used and yield dependable information. Geotechnical investigations of sands and sandy soils invariably involve the use of standard penetration tests (SPT) but the test results are apt to be variously interpreted with respect to foundation analysis. This paper attempts to set out a rational approach for the interpretation of the field N-values upon which the allowable soil pressure of cohesionless soils are normally predicted. The validity of Peck, Hanson & Thornburn (1974)'s SPT-correction method and allowable soil pressure chart are analysed and a new SPT-correction method and chart have been propounded in the background of a digest of available data and literature extent on the subject.