土の繰返し三軸試験におけ ... - geolabo-chubu.com

1 An examination of excess pore water pressure behavior in cyclic triaxial test to determine deformation properties geomaterials , chubu Soil Research Co-operation ( geolabo - chubu ) 2 G- h- ( ) - 1) (1) 14 -1 14 -2 (2) JGS 0542-2009 5cm 10cm CO2 200kN/m2 B B (1) -1 ( u/ c) ( )

2 = u/ c 5 10% =1% 10 u/ c 2 1% 10 =2% u/ c 50 65% (2) -2 = u/ c = u/ c 10 = u/ c 2 2 =2% u/ c = 90% -1 -2 wn (%) s (g/cm3) t (g/cm3) (%) rc(kN/m2)Eeq (M N/m2) wn (%) s (g/cm3) t (g/cm3) (%) rc(kN/m2)Eeq (M N/m2) -2 0%20%40%60%80%100% u/ 'c (%)( ) = 0%20%40%60%80%100% u/ 'c (%)( ) =100%20%40%60%80%100% u/ 'c (%)( ) = 0%20%40%60%80%100% u/ 'c (%)( ) =10 -1 , 10 2% 2 = 1 =1 , =1% -3 (1)

3 11 u/ c =90% 7 (2) u/ c (1) 7 (3) a.

4 10 =2% 50 60% 85 90% u/ c =2% b. u/ c 50 60% c. 1) 5 2010.

5 -80-60-40-20020406080-3-2-101 % -20%0%20%40%60%80%100%024681012 u/ 'c -80-60-40-200204060800 20406080100 kN/m2 (kN/m2)(kN/m2) -20%0%20%40%60%80%100%024681012 u/ 'c -200-150-100-500501001502000501001502002 50 kN/m2 (kN/m2) (%)(kN/m2) -3 1