مقایسه میان نشست اندازه گیری شده و پش بینی شده شالوده های سطحی بر روی خاک دانه ای
Comparison between the measured and predicted
Settlement of Shallow foundations on granular soils
R.amini ahidashti1, a.hadad2
1- M.Sc. Student, Department of Civil Engineering, Semnan University, Semnan, Iran
2- Associate Professor, Department of Civil Engineering, Semnan University, Semnan, Iran
Abstract
There are several methods for settlement evaluation of shallow foundations on granular soils. Most existing methods are based on the results of in situ tests. The purpose of this paper is assessment the methods of estimating settlements of shallow foundations and comparison the predicted and observed results. The concrete foundation was statically load tested for reviewing the results of this experiment. In addition, field tests as the standard penetration tests and the cone penetration test have been conducted. The results of field tests and concrete foundation were modeled using the finite element method. Finite element analysis using either SPT or CPT derived input parameters provided conservative settlement estimates. However, most of the empirical methods employed in this study provide reasonable estimates using CPT and SPT derived parameters as input.
Key Words: settlement- SPT- CPT- shallow foundation- FEM
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