Transcription of DEEP FOUNDATIONS – Pile Foundations
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CHAPTER 7. DEEP FOUNDATIONS pile FOUNDATIONS ULTIMATE pile CAPACITY. Beacause of the non-homogeneity of soil and the unlimited variables that affecting pile behaviour, different methods of approach are, therefore, existed. Among these methods are:- a. The static methods, b. The load -transfer methods, c. The empirical methods d. The dynamic methods, and e. Field tests methods. A. static APPROACH. Piles in Compression: L. Q ult = P( .C u + K s . v . tan ).dz + A b ( c + vb .N q + . ) WP .. (1). 0. Q ult = Qs + .Q b Wp ..(2). Qall = Qs / + .Q b / Wp ..(3). Qall = Qult / .. (4). where: SF = Safety factor = for driven piles, and = or = and = for bored piles.
DEEP FOUNDATIONS – Pile Foundations ULTIMATE PILE CAPACITY Beacause of the non-homogeneity of soil and the unlimited variables that affecting pile behaviour, different methods of approach are, therefore, existed. Among these methods are:- a. The static methods, b. The load-transfer methods, c. The empirical methods d.
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