Paper Information

Journal:   AMIRKABIR   Fall 2003 , Volume 14 , Number 56-B; Page(s) 1166 To 1184.
 
Paper: 

BEARING CAPACITY ANALYSIS OF SHALLOW FOUNDATIONS FROM CPT DATA

 
 
Author(s):  ESLAMI ABOU ALFAZL, GHOLAMI AHANGARAN MAHDI
 
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Abstract: 

Application of Cone Penetration Test, CPT have shown an increase in geotechnical design and site investigation due to measurement of soil characteristics, supplying continuous profile and incorporating a variety of sensors with it. Because of similarity between cone penetrometer and a model pile, research work has been concentrated in this field and therefore, there is a limited information for using CPT data in shallow foundation design. A static analytical model based on general shear failure mechanism of logarithm spiral has been developed for calculating directly bearing capacity of footings from q, by realizing foundation dimension, surcharge and data processing. Five current CPT direct methods for determining bearing capacity of footings have been investigated and criticized the proposed method and five others were compare to the measured capacity ranging from 1. 7 to 15 kg/cm2 of 32 footings with the width range from 0.3 to 3m compiled in a database. The statistical and cumulative probability approach for validation of predictive methods indicates favorable and optimistic results for proposed method and it can be considered in geotechnical practice.

 
Keyword(s): CONE PENETRATION TEST-CPT, SHALLOW FOUNDATIONS(FOOTINGS), CONE RESISTANCE-Q C, BEARING CAPACITY, STATIC ANALYSIS, GENERAL SHEAR FAILURE
 
References: 
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