ESTIMATING MODULI AND FRICTION ANGLE FROM SELF-BORING PRESSUREMETER TESTS IN SAND

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概要

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• Self-boring pressuremeter test (SBPMT) data has been analyzed based on cylindrical cavity expansion method and dimensionless cylindrical cavity expansion factors (F"_q) to determine angle of friction, rigidity index (I_r) and modulus of elasticity (E). Then, based on a hyperbolic model, secant modulus (E_<sf>), secant modulus at 50 percent failure stresses (E_<50>), and initial modulus (E_i) have been determined. Reasonable values of angle of friction, initial modulus (E_i), and secant modulus of deformation at failure (E_<sf>) have been determined for sand deposits located in different geographical regions. The secant modulus (E_<50>) determined by this method compares well with unload-reload modulus, E_r, determined from unload-reload cycle of the SBPM tests.

• 社団法人地盤工学会の論文
• 2005-10-15

著者

• Gupta Ramesh

  Senior Geotechnical Engineer Structure & Bridge Div. Virginia Department Of Transportation

関連論文

• ESTIMATING MODULI AND FRICTION ANGLE FROM SELF-BORING PRESSUREMETER TESTS IN SAND
• FINITE STRAIN ANALYSIS FOR SELF-BORING PRESSUREMETER TESTS IN SAND

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