Table 5-1. Stress Ratio Versus Allowable Load
Repetitions (PCA Fatigue Curve)*
Allowable load
.
Stress ratio
repetitions
< 0.45
0.45
0.46
0.47
0.48
0.49
0.50
0.51
0.52
0.53
0.54
0.55
0.56
0.57
0.58
0.59
0.60
0.61
m ,
0.62
0.63
0.64
0.65
0.66
0.67
0.68
0.69
0.70
0.71
0.72
unlimited
62,790,761
14,335ÿ236
5,202,474
2,402,754
1,286,914
762,043
485ÿ184
326,334
229,127
166ÿ533
124,523
94ÿ065
71,229
53,937
40,842
30,927
23ÿ419
17,733
13,428
10,168
7,700
5,830
4,415
3,343
21532
1,917
1 ÿ452
1,099
Allowable load
Stress ratio
0.73
0.74
0.75
0.76
0.77
0.78
0.79
0.80
0.81
0.82
0.83
0.84
0.85
0.86
0.87
0.88
0.89
0.90
0.91
0.92
0.93
0.94
0.95
0.96
0.97
0.98
0.99
1.00
>1.00
repetitions
832
63O
477
361
274
207
157
119
9O
68
52
39
30
22
!7
13
10
7
6
4
3
2
2
1
1
1
1
0
0
mÿ
*Thickness Design for Concrete Highway and Street Pavements,
EB109.01P, Portland Cement Association, Skokie, IL, 1984.

カタログ - ニューオプト

NEW CEMENT PLANT KALUZHSKY RUSSIA