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February 1, 2005 1
Analysis of Test Slab Failure DataAnalysis of Test Slab Failure Data
David R. BrillFAA Airport Technology R&D Branch, AAR-410
William J. Hughes Technical Center, Atlantic City, NJAirport Pavement Working Group Meeting
Sheraton Atlantic City Convention Center HotelFebruary 2, 2005
February 1, 2005 2 AAR-410
ObjectivesObjectives
Quantify CC2 rigid test item performance and failure using the SCI concept.
Relate to historical rigid full-scale tests (Lockbourne, Sharonville, MWHGL etc.).
Compare with current failure model. Analyze effects of test variables:
Support type (stabilized base vs. conventional). 4-wheel vs. 6-wheel. Traffic on outside lane.
February 1, 2005 3 AAR-410
CC2 Test Item LayoutCC2 Test Item Layout
C EN TER LIN E
22.9 m (75 ft)
18.3
m (
60 f
t)
22 .9 m (75 ft)22.9 m (75 ft)
M R C M R G M R SN orth C arriageTrafficked A rea
South C arriageTrafficked A rea
D irection ofTraffic
7.6 m (25 ft) T ransitionArea (Typ.)
Construction Cycle 2 – Trafficking MRCConstruction Cycle 2 – Trafficking MRC
MRC trafficking
stopped on June 24,
2004 (north side after
12,675 passes and
south side after 5,402
passes.
A total of 96 cracks
were detected and 20
cores taken.
400'
325'
C19
C20
C18
C17
C14
C16
C15
CS
C12
C11
C6
C10C9
CSC8
CS
5
15
24
25
23
CS CS
S12 S17
S11
1
2
17
22
26
27
S7S2
S1 S6
29
32
33
S16
CS
CS CS
S9
S3 S8
S5
S4
S10
30
31
34
CSCS
CS
CS
CS
CS
S20S15
6
16
CS CS
S14 S19
14
13
28
CS
CS
S13 S18
3
4
10
7
9
12
11
8
19
21
20
35
36
37
38
39
C1
C2
C3
C4
C5
C7
40
41
42
43
44
4645
48
47
49
50
51
52
18
54
53
5655
57
58
5960
61
62
63
64
65
66
67
68
69
70
71 72
73
74
C13
75
76
77
CS
CS
CS
78
79
80
81
82
83
86 85
84
87
88
89
90
9192
93
94
96
95
North South
February 1, 2005 5 AAR-410
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
4
3
2
17
8
500'
425'
S32 S37S27S22
S29
S23 S28
S25
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S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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3
2
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8
9 500'
425'
S32 S37S27S22
S29
S23 S28
S25
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S30 S40S35
S34 S39
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S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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3
2
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8
9 500'
425'
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S29
S23 S28
S25
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S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
4
3
2
17
8
9 500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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3
2
17
8
9
1011
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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2
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1011
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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2
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8
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1011
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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2
17
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9
1011
500'
425'
S32 S37S27S22
S29
S23 S28
S25
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S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
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S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
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S30 S40S35
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S33 S38
6
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1011
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500'
425'
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S29
S23 S28
S25
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S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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17
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1011
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
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17
8
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1011
12
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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12
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
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500'
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S32 S37S27S22
S29
S23 S28
S25
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S34 S39
S33 S38
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S31
S27S22
S21 S26 S36
S29
S23 S28
S25
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S30 S40S35
S34 S39
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500'
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S32 S37S27S22
S29
S23 S28
S25
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S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
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S30 S40S35
S34 S39
S33 S38
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1011
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
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3031
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
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2
17
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1011
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3031
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3738
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425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
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1011
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
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425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
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500'
425'
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S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
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500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
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500'
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S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
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112113
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14 180
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195 196
111
144
116
60
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197
24
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
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132
133
134
135
136
137
138
139
140
141
142
143
145
117 146
147
148
151
152
153
154
77
155
158
157156
159 160
161
162
163
164
165
166
168
169
167
170
171
172
175
174
176
173
177
178
182
181
14 180
179 184
183
185
52
79
186
187
65188
189
191
190
20
192
193
194
195 196
111
144
116
60 197
24
201
202
199
198
201
39
203
83
204
205
206
149
150
207
208
46
110
57
210209
211
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
4
3
2
1
7
8
9
10
11
12
13
15
16
17
18
22
21
23
19
26
25
27
28
29
3031
33
32
34
35
36
37
38
40
41
42
43
44
45
49
50
51
53
54
56
58
61
62
63
64
66
67
68
69
70
71
72
75
73
74
76
78
81
80
84
86
87
88
89
90
9192
93
94
95
9697
98
99
100
102
10
103
108
106
107
113
114
115
121
11
120 122
123
118126
127128
129125
130
131
132
133
134
136
137
138
140
141
142
143
145
117146
147
148
151
152
153
154
77
155
158
157156
159
161
162
163
164
165
166
168
169
167
170
171
172
175
174
176
173
177
178
182
181
14 180
179 184
183
185
52
79
186
187
65
188
189
191
190
20
192
193
194
195
196
111
144
116
60 197201
202
199
198
201
39
203
83
204
205
206
149
150
207
208
46
110
57
209
212
124214
213
215
216
217
218
219
135
220
104
105
85221
82
222
139
223224
225
160109
55
112
210
47
228
227
226
229
59 48
230
211
24
231
232
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
4
3
2
1
7
8
9
10
11
12
13
15
16
17
18
22
23
19
26
25
27
28
29
3031
33
32
34
35
38
40
41
42
43
44
45
49
50
51
53
54
56
61
62
63
64
66
67
68
69
70
71
72
75
74
76
78
81
80
86
87
88
89
91
9293
94
95
9697
98
99
100
102
10
103
108
106
107
113
114
115
121
11
120 122
123
118126
127128
129125
130
131
132
133
136
137
138
140
141
142
143
145
117146
147
148
151
152
153
154
77
155
158
157156
159 161
162
163
164
165
166
168
170
172
175
174
176
173
177
178
182
181
14180
179184
183
185
52
79
186
187
65
188
189
191
190
20
192
193
194
196
111
144
116
60 197201
202
199
198
201
39
203
83
204205
206
149
150
207
208
46
110
57
209
212
124214
213
215
216
217
218
219
135
220
104
105
85221
82
222
139
223224
225
160109
55
112
210
47
228
227
226
229
59 48
230
211
24
232
21
84
233
234134
167
16990
235
237195
36238
73
37
239
240
58
236
171
241
231
242
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
4
3
2
1
7
8
9
10
11
12
13
15
16
17
18
22
23
19
26
25
27
28
29
30
31
33
32
34
35
38
40
41
42
43
44
45
49
50
51
53
54
56
61
62
63
64
66
67
68
69
70
71
72
75
74
76
78
81
80
86
87
88
89
91
9293
94
95
9697
98
99
100
102
10
103
108
106
107
113
114
115
121
11
120 122
123
118126
127128
129125
130
131
132
133
136
137
138
140
141
142
143
145
117146
147
148
151
152
153
154
77
155
158
157156
159 161
162
163
164
165
166
168
170
172
175
174
176
173
177
178
182
181
14180
179184
183
185
52
79
186
187
65
188
189
191
190
20
192
193
194
196
111
144
116
60 197201
202
199
198
201
39
203
83
204205
206
149
150
207
208
46
110
57
209
212
124214
213
215
216
217
218
219
135
220
104
105
85221
82
222
139
223224
225
160109
55
112
210
47
228
227
226
229
59 48
230
211
24
232
21
84
233
234134
167
16990
235
237195
36238
73
37
239 240
58
236
241
231
242
171243
244
Construction Cycle 2:Construction Cycle 2:Trafficking Test Item MRGTrafficking Test Item MRG
MRG After
31,020 Passes
7/13/2004 7/14/2004 7/19/2004 7/20/2004 7/27/2004
Spall 8/2/2004 8/9/2004
8/11/2004 8/16/2004 8/18/2004 8/20/2004 8/24/2004 8/26/2004 8/27/2004 8/31/2004 9/7/2004 9/9/2004
9/14/2004 9/21/2004 9/28/2004 10/5/2004
10/13/2004 10/29/2004 11/9/2004
11/16/2004 11/23/2004 12/02/2004 12/07/2004 12/14/2004
February 1, 2005 6 AAR-410
500'
425'
S32 S37S27S22
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
S32 S37
S31
S27S22
S21 S26 S36
S29
S23 S28
S25
S24
S30 S40S35
S34 S39
S33 S38
6
5
4
3
2
1
7
8
9
10
11
12
13
15
16
17
18
22
23
19
26
25
27
28
29
30
31
33
32
34
35
38
40
41
42
43
44
45
49
50
51
53
54
56
61
62
63
64
66
67
68
69
70
71
72
75
74
76
78
81
80
86
87
88
89
91
9293
94
95
9697
98
99
100
102
10
103
108
106
107
113
114
115
121
11
120 122
123
118126
127128
129125
130
131
132
133
136
137
138
140
141
142
143
145
117146
147
148
151
152
153
154
77
155
158
157156
159 161
162
163
164
165
166
168
170
172
175
174
176
173
177
178
182
181
14180
179184
183
185
52
79
186
187
65
188
189
191
190
20
192
193
194
196
111
144
116
60 197201
202
199
198
201
39
203
83
204205
206
149
150
207
208
46
110
57
209
212
124214
213
215
216
217
218
219
135
220
104
105
85221
82
222
139
223224
225
160109
55
112
210
47
228
227
226
229
59 48
230
211
24
232
21
84
233
234134
167
16990
235
237195
36238
73
37
239 240
58
236
241
231
242
171243
244
MRG After
31,020 Passes
7/13/2004 7/14/2004 7/19/2004 7/20/2004 7/27/2004
Spall 8/2/2004 8/9/2004
8/11/2004 8/16/2004 8/18/2004 8/20/2004 8/24/2004 8/26/2004 8/27/2004 8/31/2004 9/7/2004 9/9/2004
9/14/2004 9/21/2004 9/28/2004 10/5/2004
10/13/2004 10/29/2004 11/9/2004
11/16/2004 11/23/2004 12/02/2004 12/07/2004 12/14/2004
February 1, 2005 7 AAR-410
600'
525'
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1600'
525'
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
600'
525'
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
600'
525'
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
11
12
13
14
15
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
11
12
13
14
15
16
17
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19
20
21
22
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19
20
21
22
2324
25
26
27
28
29
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19
20
21
22
2324
25
26
27
28
29
30
32
31
600'
525'
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
89
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19
20
21
22
2324
25
26
27
28
29
30
32
3135
34
33
600'
525'
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19
20
21
22
2324
25
26
27
28
29
30
32
3135
34
33
36
37
38 39
40
41
42
43
44
45
46
600'
525'
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19
20
21
22
2324
25
26
27
28
29
30
32
3135
34
33
36
37
38 39
40
41
42
43
44
45
46
C3
49
4748
C5
5152
50
53
600'
525'
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
CS
10
11
12
13
14
15
16
17
18
19 20
21
22
2324
25
26
27
28
29
30
32
3135
34
33
36
37
38 39
40
41
42
43
44
45
46
C3
49
4748
5152
50
53
54
55
56
57
58
59
60
61 600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
1920
21
22
2324
25
26
27
28
29
30
32
3135
34
33
36
37
38 39
40
41
42
43
44
45
46
C3
49
4748
5152
50
53
54
55
56
57
58
59
60
6163
62600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
1920
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38 39
40
41
42
43
44
45
46
C3
49
4748
5152
50
53
54
55
56
57
58
59
60
616362
64
65
31
68
6766
69
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
19 20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38 39
40
41
42
43
44
45
46
C3
49
47
48
5152
50
53
54
55
56
57
58
59
60
616362
64
65
31
68
6766
69
72
71
70
7374
75
76
77
78
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
19 20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38 39
40
41
42
43
44
45
46
C3
49
47
48
5152
50
53
54
55
56
57
58
59
60
616362
64
65
31
68
6766
69
72
71
70
7374
75
76
77
78
8079
81 82
8384
85
86
87
88
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44
45
46
C3
49
48
5152
50
53
54
56
57
58 60
616362
64
65
31
68
6766
69
72
7170
73 74
75
76
77
78
8079
81 82
8384
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098 99
101
10
103
104
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44
45
46
C3
49
48
5152
50
53
54
56
57
58 60
616362
64
65
31
68
6766
69
72
7170
73 74
75
76
77
78
8079
81 82
8384
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098 99
101
10
103
104
105
1063
10
111
110
107
108
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44
45
46
C3
49
48
5152
50
53
54
56
57
58 60
616362
64
65
31
68
6766
69
72
7170
73 74
75
76
77
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098 99
101
10
103
104
105
1063
10
111
110
107
108
112
113
114
115
116117
118119
120
121
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44
45
46
C3
49
48
5152
50
53
54
56
57
58 60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
100
98
99
101
11
103
104
105
1063
10
111
110
107
108
112
113
114
115
102117
118119
120
121
122
123124
125
126
127
129
128
600'
525'
CS C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44
45
46
C3
49
48
5152
50
53
54
56
57
58 60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
100
98
99
101
116
103
104
105
1063
10
111
110
107
108
112
113
114
115
102117
118119
120
121
122
123124
125
126
127
129
128
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58 60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101
116
103
104
105
1063
10
111
110
107
108
112
113
114
115
102117
118119
121
122
120
123124
125
126
127
129
128
130
131
132
133
135
134136
138137
139
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58
60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101
116
103
104
105
1063
10
1113
110
107
108
112
113
114
102117
118119
121
122
120
123124
125
126
127
129
128
130
131
132
133
135
134136
138
139
140
141
115
142
144
145
143
146
147
137
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58
60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101
116
103
104
105
1063
10
1113
110
107
108
112
113
114
102117
118119
121
122
120
123124
125
126
127
129
128
130
131
132
133
135
134136
138
139
140
141
115
142
144
145
143
146
147
137
148
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58
60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101116
103
104
105
1063
10
1113
110
107
108
112
113
114
102117
118119
121
122
120
123124
125
126
127
129
128
130
131
132
133
135
134136
138 139
140
141
115
142
144
145
143
146
147
137
148
152
154
150
149
CS
151
153
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58
60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101116
103
104
105
1063
10
1113
110
107
108
112
113
114
102117
118119
121
122
120
123124
125
126
127
129
130
131
132
133
135
134136
138
139
140
141
115
142
144
145
143
146
147
137
148
152
154
150
149
CS
151
153
155
156
128
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58
60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101116
103
104
105
1063
10
1113
110
107
108
112
113
114
102117
118119
121
122
120
123124
125
126
127
129
130
131
132
133
135
134136
138
139
140
141
115
142
144
145
143
146
147
137
148
152
154
150
149
CS
151
153
155
156
128
7/13/2004 7/14/2004 7/16/2004 7/19/2004 7/20/2004
Corner Spall 7/21/2004
Core 8/2/2004 8/5/2004 8/9/2004
8/11/2004 8/12/2004 8/16/2004 8/18/2004 8/20/2004 8/24/2004 8/26/2004 8/27/2004 8/31/2004 9/7/2004 9/9/2004
9/14/2004 9/21/2004 9/28/2004 10/5/2004
10/13/2004 10/29/2004 11/9/2004
11/16/2004 11/23/2004 12/02/2004 12/07/2004 12/14/2004
CS
MRS After
30,996 Passes
Construction Cycle 2:Construction Cycle 2:Trafficking Test Item MRSTrafficking Test Item MRS
February 1, 2005 8 AAR-410
600'
525'
CS
C5
C4
CS
C2
C1
S52 S57
S51
S47S42
S41 S46 S56
S49
S43 S48
S45
S44
S50 S60S55
S54 S59
S53 S58
1
4
2
3
5
6
7
8
9
CS
CS
CS
10
11
12
13
14
15
16
17
18
20
21
22
2324
25
26
27
28
29
30
32
35
34
33
36
37
38
39
40
41
42
43
44 45
46
C3
49
48
5152
50
53
54
56
57
58
60
616362
64
65
31
68
6766
69
72
7170
73 74
75
7677
78
8079
81 82
83
84
85
86
87
88
89
55
90
91
92
93
94
19
95
59
4796
97
10098
99
101116
103
104
105
1063
10
1113
110
107
108
112
113
114
102117
118119
121
122
120
123124
125
126
127
129
130
131
132
133
135
134136
138
139
140
141
115
142
144
145
143
146
147
137
148
152
154
150
149
CS
151
153
155
156
128
MRS After
30,996 Passes
7/13/2004 7/14/2004 7/16/2004 7/19/2004 7/20/2004
Corner Spall 7/21/2004
Core 8/2/2004 8/5/2004 8/9/2004
8/11/2004 8/12/2004 8/16/2004 8/18/2004 8/20/2004 8/24/2004 8/26/2004 8/27/2004 8/31/2004 9/7/2004 9/9/2004
9/14/2004 9/21/2004 9/28/2004 10/5/2004
10/13/2004 10/29/2004 11/9/2004
11/16/2004 11/23/2004 12/02/2004 12/07/2004 12/14/2004
CS
February 1, 2005 9 AAR-410
CC2 Test Items - ResultsCC2 Test Items - Results Full-scale traffic testing began on 4/27/04. Trafficking ended 12/10/04. Passes completed:
Top-down cracking has not been eliminated, but bottom-up longitudinal cracks have occurred in the lane receiving loading from both lines of tires.
Passes CompletedTest Item Gear Type Apr-Jun 2004 Jul-Sep 2004 Oct-Dec 2004 TotalMRC - North 4-wheel 12675 0 0 12675MRC - South 4-wheel 5405 0 0 5405MRG - North 6-wheel 0 21186 9834 31020MRG - South 4-wheel 0 21162 9834 30996MRS - North 6-wheel 0 20262 0 20262MRS - South 4-wheel 0 21162 9834 30996
February 1, 2005 10 AAR-410
Performance MonitoringPerformance Monitoring Visual Distress Surveys.
ASTM D 5340-93 and FAA AC 150/5380-6. Daily up to 10,000 passes. Weekly after 10,000 passes.
Embedded Sensors. Responses monitored for early indication of cracking.
Nondestructive Tests. HWD every 15 wanders (990 passes) up to 10,000
passes. Every 30 wanders after 10,000 passes. Destructive Testing.
Cores to investigate origin of cracks.
February 1, 2005 11 AAR-410
Structural Condition Index (SCI)Structural Condition Index (SCI)
Rollings (1988) SCI is structural component of rigid PCI.
Only load related distress types are considered (e.g., L/T/D cracks, corner breaks, shattered slab).
SCI is always equal to or higher than PCI for the same pavement feature.
Joint and corner spalling was excluded from the SCI computation for CC2 test items.
February 1, 2005 12 AAR-410
Micro PAVER ComputationsMicro PAVER Computations
Record structural distresses based on visual surveys.
Treat each test item (north side or south side) as a sample unit.
Follow ASTM procedures for counting distresses and assigning severity levels.
February 1, 2005 13 AAR-410
CC2 Test Item DistressesCC2 Test Item DistressesMRS North - Shattered Slab MRG North - Corner Spall
MRG South - Longitudinal Crack Intersecting Corner BreakMRS North - Long. & Diag. Cracks
February 1, 2005 14 AAR-410
SCI Versus Coverage AnalysisSCI Versus Coverage Analysis
Plot SCI as a function of applied coverages. P/C ratio is computed from wander pattern. All slabs in sample unit versus inside traffic lane only.
Obtain linear regression of SCI versus log(C). Intercept with SCI=100 line yields CO (cov. to 1st crack).
Intercept with SCI=0 line yields CF (cov. to full failure).
New rigid design concerned with coverages to SCI=80. Lower portions of failure curve (below SCI = 80) are
important for overlay designs.
February 1, 2005 15 AAR-410
y = -60.606Ln(x) + 503.04
R2 = 0.9049
y = -29.763Ln(x) + 235.22
R2 = 0.8104
0
20
40
60
80
100
120
1 10 100 1000 10000
Coverages
SC
I
Current Failure Model (No Compensation) Current Failure Model (SB Compensation)
MRC-North (P/C = 3.80) MRC-South (P/C = 4.71)
Log. (MRC-North (P/C = 3.80)) Log. (MRC-South (P/C = 4.71))
PRELIMINARY DATAPRELIMINARY DATA
Test Item MRC - SCI versus Coverages Test Item MRC - SCI versus Coverages (All Distresses)(All Distresses)
February 1, 2005 16 AAR-410
y = -72.715Ln(x) + 572.15
R2 = 0.821
y = -64.43Ln(x) + 506.04
R2 = 0.8269
0
20
40
60
80
100
120
1 10 100 1000 10000
Coverages
SC
I
Current Failure Model (No Compensation) Current Failure Model (SB Compensation)
MRC-North (P/C = 3.80) MRC-South (P/C = 4.71)
Log. (MRC-North (P/C = 3.80)) Log. (MRC-South (P/C = 4.71))
Test Item MRC - SCI versus Coverages Test Item MRC - SCI versus Coverages (Center Traffic Lane Distresses Only)(Center Traffic Lane Distresses Only)
PRELIMINARY DATAPRELIMINARY DATA
February 1, 2005 17 AAR-410
y = -44.174Ln(x) + 374.94
R2 = 0.8957
y = -100.61Ln(x) + 871.57
R2 = 0.9611
0
20
40
60
80
100
120
1 10 100 1000 10000 100000 1000000
Coverages
SC
I
MRS-North (6 wheel, P/C = 4.71) MRS-South (4 wheel, P/C = 4.71)
Rigid Failure Model - 6 wheel (No Compensation) Rigid Failure Model - 4 wheel (No Compensation)
Rigid Failure Model - 6 wheel (SB compensation) Rigid Failure Model - 4 wheel (SB Compensation)
Log. (MRS-North (6 wheel, P/C = 4.71)) Log. (MRS-South (4 wheel, P/C = 4.71))
Test Item MRS - SCI versus CoverageTest Item MRS - SCI versus Coverage(Center Traffic Lane Distresses Only)(Center Traffic Lane Distresses Only)
PRELIMINARY DATAPRELIMINARY DATA
February 1, 2005 18 AAR-410
0
20
40
60
80
100
120
1 10 100 1000 10000
Coverages
SC
I
MRG-North (6 wheel, P/C = 4.71) MRG-South (4 wheel, P/C = 4.71)
Rigid Failure Model - 6 wheel (no compensation) Rigid Failure Model - 4 wheel (no compensation)
Rigid Failure Model - 6 wheel (SB Compensation) Rigid Failure Model - 4 wheel (SB Compensation)
Log. (MRG-North (6-wheel, P/C = 4.71)) Log. (MRG-South (4-wheel, P/C = 4.71))
Test Item MRG - SCI versus CoverageTest Item MRG - SCI versus Coverage(Center Traffic Lane Distresses Only)(Center Traffic Lane Distresses Only)
PRELIMINARY DATAPRELIMINARY DATA
SCI = -246.96 log(C) + 935.11R2 = 0.9647
SCI = -247.03 log(C) + 941.57R2 = 0.9636
February 1, 2005 19 AAR-410
CC2 Test Strip - SCI versus CoverageCC2 Test Strip - SCI versus Coverage(S Slab Distresses Only)(S Slab Distresses Only)
y = -39.228Ln(x) + 296.37
R2 = 0.9039
0
20
40
60
80
100
120
1 10 100 1000 10000
Coverages
SC
I
Test Strip: All 15-ft S Slabs (P/C = 4.13) Rigid Failure Model - S Slabs
Rigid Failure Model - S Slabs (SB Compensation) Log. (Test Strip: All 15-ft S Slabs (P/C = 4.13) )
S1
S2
S3
S4
C1
S5
S6
C3
C2
C5
C6
C4
4
14
24
36
12
48
18
3
19
20
43
47
39
16
21
52
25
50
26
55
27
35
46
28
56
57
29
51
32
38
60
22
15
6
45
44
37
37
49
17
58
33
41
53
40
3159
30
54
42
11
1
21
23
1
6
8
3
7
8
54
7
1029
5
13
34
S SLABSC SLABS
PRELIMINARY DATAPRELIMINARY DATA
February 1, 2005 20 AAR-410
Summary of SCI vs. CoverageSummary of SCI vs. Coverage
0
20
40
60
80
100
100 1000 10000
Coverages
SC
I
MRC-North MRC-South MRS-North MRS-South
MRG-North MRG-South CC2 Test Strip
CC2 Test Strip
MRC-South
MRC-North
MRS-North
MRG-North
MRG-South
MRS-South
February 1, 2005 21 AAR-410
Regression Data for SCI vs. Regression Data for SCI vs. Log of Coverages Log of Coverages (preliminary)(preliminary)
R e g r e s s i o n C o n s t a n t s 1
T e s t I t e m A B R 2C o v e r a g e s t oI n i t i a l C r a c k , C O
C o v e r a g e s t oF u l l F a i l u r e , C F
P / C
M R C - N - 1 6 7 . 4 3 5 7 2 . 1 5 0 . 8 2 1 6 6 1 2 6 1 3 3 . 8 0M R C - S - 1 4 8 . 3 6 5 0 6 . 0 4 0 . 8 2 7 5 4 6 2 5 7 6 4 . 7 1M R G - N - 2 4 7 . 0 3 9 4 1 . 5 7 0 . 9 6 4 2 5 5 1 6 4 8 0 4 . 7 1M R G - S - 2 4 6 . 9 6 9 3 5 . 1 2 0 . 9 6 5 2 4 0 8 6 1 1 7 4 . 7 1M R S - N - 1 0 1 . 7 1 3 7 4 . 9 4 0 . 8 9 6 5 0 5 4 8 5 5 4 . 7 1M R S - S - 2 3 1 . 6 6 8 7 1 . 5 7 0 . 9 6 1 2 1 4 1 5 7 8 4 4 . 7 1T e s t S t r i p - 9 0 . 3 3 2 9 6 . 3 7 0 . 9 0 4 1 4 9 1 9 1 0 4 . 1 31 BCA logSCI
February 1, 2005 22 AAR-410
Design Factor vs. CoveragesDesign Factor vs. Coverages
Design Factor (DF) = ratio of concrete flexural strength to maximum calculated bending stress.
LEDFAA model based on Rollings (1988) regression: DF = 0.5234 + 0.3920 log (CO) coverages to onset of cracking
DF = 0.2967 + 0.3881 log (CF) coverages to full failure (SCI 0)
Recompute design factors for all test items using FEDFAA (3D-FEM) edge stress.
Evaluate parameters including 7 new NAPTF data points. Preliminary analysis - design factors subject to change as
we continue to characterize the material properties.
February 1, 2005 23 AAR-410
Recalculate Design FactorsRecalculate Design Factors(Historic Full-Scale Test Data)(Historic Full-Scale Test Data)
0
0.5
1
1.5
2
2.5
1 10 100 1000 10000 100000
Coverages to Complete Failure, CF
DF
Rollings Model MWHGL KLJS
SSPS Lockbourne 1 Lockbourne 2
Sharonville New Data Regression
Original Regression
Recalculated Using FEDFAA Edge Stress
February 1, 2005 24 AAR-410
Design Factor vs. Coverages Design Factor vs. Coverages (Coverages to Complete Failure, SCI=0)(Coverages to Complete Failure, SCI=0)
0
0.5
1
1.5
2
2.5
1 10 100 1000 10000 100000
Coverages to Complete Failure, CF
DF
Rollings Model NAPTF MWHGLKLJS SSPS Lockbourne 1Lockbourne 2 Sharonville New Data Regression
MRC-NORTH
MRC-SOUTHTEST STRIP - S
MRS-NORTH
MRS-SOUTH
MRG-SOUTH
MRG-NORTH
PRELIMINARY DATAPRELIMINARY DATA
February 1, 2005 25 AAR-410
0
0.5
1
1.5
2
2.5
1 10 100 1000 10000
Coverages to Onset of Deterioration, C0
DF
Rollings Model NAPTF MWHGL
KLJS SSPS Lockbourne 1
Lockbourne 2 Sharonville New Regression (Type I and IIA Only)
MRC-NORTH
MRC-SOUTH
TEST STRIP - S
MRS-NORTH
MRS-SOUTH MRG-NORTH
MRG-SOUTH
Design Factor vs. Coverages Design Factor vs. Coverages (Coverages to Onset of Failure, SCI=100 (Coverages to Onset of Failure, SCI=100 --))
PRELIMINARY DATAPRELIMINARY DATA
February 1, 2005 26 AAR-410
Current EffortsCurrent Efforts
Finalize material characterization (e.g., concrete strength, subgrade properties) for design factor computation.
Finalize “best fit” parameters for FAARFIELD rigid failure model from full-scale test data.
Re-evaluate current base stiffness compensation model considering: full-scale test results showing straight-line trend. improved ability of 3D-FEM model to give accurate
stresses for stabilized base structures.
February 1, 2005 27 AAR-410
Questions?Questions?
