•\-2.8(2)@“®“I•ÏŒ`ŽŽŒ±Œ‹‰Ê
D
r
= 75%, p = 24.5 kN/m
2
ƒÐ
c
' = 24.5 kN/m
2
G
0
*3
= 50.1 MN/m
2
Step.
•ÐU•‚¹‚ñ’f‚Ђ¸‚Ý
ƒÁ
(SA)
*1
“™‰¿‚¹‚ñ’f„«—¦
G
eq
(MN/m
2
)
*2
—š—ðŒ¸Š—¦
h (%)
G
eq
/G
0
1
3.78E-06
50.1
1.2
1.00
2
7.76E-06
49.0
0.4
0.98
3
1.62E-05
47.0
1.1
0.94
4
3.62E-05
42.5
3.8
0.85
5
8.60E-05
36.2
7.0
0.72
6
1.86E-04
30.3
9.8
0.61
7
4.77E-04
19.2
16.2
0.38
8
7.47E-03
1.6
31.0
0.03
NoteF
*1
FƒÁ = ƒÃ
a(SA)
E(1+v)
*2
FG
eq
= E
eq
/(2(1+v)), v = 0.5
*3
FG
0
= G
max