BEARING CAPACITY OF TAPERED AND STEP-TAPERED PILES SUBJECTED TO AXIAL COMPRESSIVE LOADING

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GHAZAVI MAHMOUD; Alimardani Lavasan Arash

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Year:2006 | Issue:7

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Title

BEARING CAPACITY OF TAPERED AND STEP-TAPERED PILES SUBJECTED TO AXIAL COMPRESSIVE LOADING

Author(s)

GHAZAVI MAHMOUD | Alimardani Lavasan Arash

Keywords

FINITE DIFFERENCE METHOD

PILE FOUNDATIONS

TAPERED PILE

BEARING CAPACITY

MOHR-COULOMB CRITERION

Abstract

IN THIS PAPER THE BEARING CAPACITY OF CYLINDRICAL, TAPERED AND STEPPED PILES UNDER VERTICAL STATIC LOADS HAS BEEN INVESTIGATED USING FINITE DIFFERENCE METHOD BASED ON THE COMMERCIALLY AVAILABLE CODE, FLAC 3D (FAST LAGRANGIAN ANALYSIS OF CONTINUA). THE PILE IS ASSUMED TO HAVE LINEARLY ELASTIC. THE MAIN OBJECTIVE OF THE PAPER IS TO INVESTIGATE WHETHER A TAPERED PILE CAN BE IDEALIZED AS SOME PRISMATIC SEGMENTS CONNECTED RIGIDLY AT NODES. THE SOIL FAILURE IS ASSUMED TO OBEY MOHR-COULOMB CRITERION. THE SOIL-PILE INTERACTION HAS BEEN MODELED USING INTERFACE ELEMENTS. SUCH ELEMENTS ALLOW THE PILE TO SLIP FROM THE SOIL WHEN NECESSARY. A CYLINDRICAL PILE OF THE SAME VOLUME AND LENGTH HAS ALSO BEEN ANALYZED. THIS FACILITATES TO COMPARE LOAD-CARRYING CAPACITY OF PRISMATIC, UNIFORMLY TAPERED, AND STEP-TAPERED PILES OF THE SAME VOLUME AND LENGTH. TO ENSURE THE ACCURACY OF THE CONSTRUCTED NUMERICAL MODEL OF PILES, THE RESULTS OBTAINED FROM NUMERICAL ANALYSIS HAVE BEEN COMPARED WITH THOSE OBTAINED FROM EXPERIMENTAL AND THEORETICAL APPROACHES. THIS COMPARISON INDICATES A VERY GOOD AGREEMENT. IT WILL BE SHOWN THAT A UNIFORMLY TAPERED PILE CANE BE CONFIDENTLY IDEALIZED AS A NUMBER OF PRISMATIC SEGMENTS WHICH ARE CONNECTED TO EACH OTHER. THIS IS AN INTERESTING FINDING AND ENABLES USERS TO APPLY SIMPLE ONE DIMENSIONAL NUMERICAL ANALYSIS FOR DETERMINATION OF PILE CAPACITY.

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APA: Copy

GHAZAVI, MAHMOUD, & Alimardani Lavasan, Arash. (2006). BEARING CAPACITY OF TAPERED AND STEP-TAPERED PILES SUBJECTED TO AXIAL COMPRESSIVE LOADING. INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). SID. https://sid.ir/paper/907046/en

Vancouver: Copy

GHAZAVI MAHMOUD, Alimardani Lavasan Arash. BEARING CAPACITY OF TAPERED AND STEP-TAPERED PILES SUBJECTED TO AXIAL COMPRESSIVE LOADING. 2006. Available from: https://sid.ir/paper/907046/en

IEEE: Copy

MAHMOUD GHAZAVI, and Arash Alimardani Lavasan, “BEARING CAPACITY OF TAPERED AND STEP-TAPERED PILES SUBJECTED TO AXIAL COMPRESSIVE LOADING,” presented at the INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). 2006, [Online]. Available: https://sid.ir/paper/907046/en

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