Pile displacements and bending moments can be consequently evaluated (e.g. JRA 1996, Dobry et al 2003) from beam theory.

Japanese Code of Practice (JRA 2002) has incorporated this understanding of pile failure and as shown in Figure 4. The code advises practicing engineers to design piles against bending failure...

Design steps are provided describing the procedure for obtaining design curves on the settlement and drag load on piles with varying pile lengths. The length of the piles is then selected...

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National and international standards and guidance documents are reviewed, and specific requirements for pile design and performance, are summarized. Secondly design methodologies, ranging from simplified to complex models are reviewed.

plots the normalized pile head displacement (y/D) with respect to the applied JRA type lateral load for a range of axial load. Figure 6 plots similar results for the He et al (2006) type lateral...

• Undrained Shear Strength (refer JRA) Where the methods to determine base or shaft resistance make reference to undrained shear strength, Su, of cohesive soils, the following SPT correlations will be used: Su = 5 x SPT “N” value for bored piles Su = 10 x SPT “N” value for driven piles

The Japanese Highway Specification, JRA (1996, 2002) code advises practicing engineers to design piles against bending failure assuming that the non-liquefied crust exerts passive earth pressure on the pile and the liquefied soil offers 30% of total overburden pressure. Figure 1 shows the JRA (1996, 2002) design guideline for

JRA (1996) code of practice showing the idealization for seismic design of bridge foundation. Structural failure of piles (by formation of plastic hinges) passing

Jun 10, 2008 · The objective of this paper is to investigate the implications to practical pile foundation design that flow from both these theories. Provisions for design made by major international codes of practice for pile design including the Japanese Highway Code (JRA) will be …