الفهرس 
Application of load and resistance factor design approach to pile design in egypt
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Abstract
The keystone of this research is to evaluate and develop the existing LRFD resistance factors for pile design in Egypt. The recommended values in the literature are applied for large and small-diameter bored piles and driven piles. A new methodology for evaluation is proposed to be a guide for evaluating the existing resistance factors or that will be calibrated later from an applied and economic point of view. Moreover, a new electronic pile load test database is established to calibrate new resistance factors on the basis of the reliability theory using the First order Second Moment (FOSM) approach.The analysis covers different static and dynamic design formulae available in the different codes such as Egyptian, Canadian, German, as well as AASHTOcodes, and FhwA design manual. Also, it covers various nominal pile capacity interpretation criteria from static and dynamic pile load-settlement responses. The evaluation results show that the New resistance factors developed in this study provide appropriate and consistent designs in terms of safety and reliability without significantly increasing the foundation costs compared with the existing resistance factors of the Egyptian literature.