CCF20080116008

METODA MEYERHOFA

For (f>

Shape

Depth

Inclination

Any (/)

s_r= 1 + 0.2K_r-

d_c= 1 + 0.2VkĄ

ir=i„= 1-

90‘

For (f) = 0°

S, = Sy = 1.0

d. =.    = 1.0

*r = 1

For <f> > 10°

_r=Sy = i + o.i*_p| d_q= d_y = \ + o.iVĘ|

= tan² (45 + 1

or = angle of resukant measured

from verticai axis    Y///////S//////////

When triaxial <f> is used for piane strain, adjust <j) to obtain <j>_p, = ( 1.1 — 0.1 — j </>_lriaiii,i