Attachment I. Stirrup Strains in Full Size...
14
I-1 Attachment I. Stirrup Strains in Full Size Girders This attachment presents the locations of strain gages placed on stirrups in the full size girder tests. Plots of strain vs shear due to applied load are also presented. The figures provide a stirrup number and gage number which can be related to the strains presented in the plots.
Transcript of Attachment I. Stirrup Strains in Full Size...
I-1
Attachment I. Stirrup Strains in Full Size Girders
This attachment presents the locations of strain gages placed on stirrups in the full size
girder tests. Plots of strain vs shear due to applied load are also presented.
The figures provide a stirrup number and gage number which can be related to the strains
presented in the plots.
I-2
0
50
100
150
200
250
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-400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Typ.1, Stirrups 5 - 7
5.1 6.27.1 7.27.3
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Live
Sh
ear L
oad
(kip
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Strain ()
T2.8.Typ.1, Stirrups 8-10
8.1 8.3
9.1 10.1
Figure 1. Live Shear Load vs. Strain in the stirrups for Test T2.8.Typ.1.
5
P P
14'-6"4'-9"
1
2
6 7 8 9 10
11
1 1
2
33
Stirrup Number= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge Figure 2. Strain gauge locations for Test T2.8.Typ.1.
I-3
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Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Typ.2, Stirrups 6 - 8
6.1 7.1
8.2 8.3
0
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100
150
200
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300
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Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Typ.2, Stirrups 11 & 12
11.1 11.2
11.3 12.1
0
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100
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300
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Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Typ.2, Stirrups 9 & 10
9.1 10.1
10.2 10.3
0
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100
150
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Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Typ.2, Stirrups 13 & 14
13.1 13.213.3 14.114.2
Figure 3. Live Shear Load vs. Strain in the stirrups for Test T2.8.Typ.2.
P
9'-11"
P
3'-0"
678910Stirrup Number
1112131415
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
11
11
1
11
1
22
22
3
333
Figure 4. Strain gauge locations for Test T2.8.Typ.2.
I-4
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Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Min.1, Stirrup 5
5.2
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400
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Live
Sh
ear L
oad
(kip
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Strain ()
T2.8.Min.1, Stirrup 7
7.1 7.2
7.3
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400
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Live
Sh
ear L
oad
(kip
)
Strain ()
T2.8.Min.1, Stirrup 6
6.1 6.2
6.3 6.4
0
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100
150
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300
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400
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Live
Sh
ear L
oad
(kip
)
Strain ()
T2.8.Min.1, Stirrup 8
8.1 8.2
Figure 5. Live Shear Load vs. Strain in the stirrups for Test T2.8.Min.1.
P P
3'-0"4'-10"
5 6 7 8Stirrup Number
1
1
1
2 2
2
2
3 3
43
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
Figure 6. Strain gauge locations for Test T2.8.Min.1.
I-5
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Live
Sh
ear F
orc
e (k
ip)
Strain ()
T2.8.Min.2, Stirrups 5 & 7
5.1 5.2
7.1 7.4
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Live
Sh
ear L
oad
(kip
)
Strain ()
T2.8.Min.2, Stirrups 10 & 11
10.1 11.111.2 11.3
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Live
Sh
ear L
oad
(kip
)
Strain ()
T2.8.Min.2, Stirrups 8 & 9
8.1 9.19.3 9.4
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
T2.8.Min.2, Stirrups 12 & 13
12.1 13.1
Figure 7. Live Shear Load vs. Strain in the stirrups for Test T2.8.Min.2.
P P
3'-0" 8'-9"
5678Stirrup Number
910111213
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
11
11
11
11
2
2 33
44
Figure 8. Strain gauge locations for Test T2.8.Min.2.
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050
100150200250300350400450500
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.1, Stirrup 9
9.1 9.2
9.30
50100150200250300350400450500
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.1, Stirrup 11
11.1 11.2
11.3
050
100150200250300350400450500
-400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.1, Stirrup 13
13.1 13.2
Figure 9. Live Shear Load vs. Strain in the stirrups for Test BT.8.Typ.1.
7 9 11 13Stirrup Number
PP
3'-0"9'-5"
15
1
1
1
2
2
2
3
3
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge Figure 10. Strain gauge locations for Test BT.8.Typ.1.
I-7
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.2, Stirrups 7-11
7.1 9.211.2 11.3
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.2, Stirrups 13 & 15
13.3 15.115.2 15.4
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.2, Stirrups 17 & 19
17.1 17.317.4 19.1
Figure 11. Live Shear Load vs. Strain in the stirrups for Test BT.8.Typ.2.
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
P P
3'-0" 12'-9"
791113Stirrup Number
1517192123
11
1
1
222 3
33 4
Figure 12. Strain gauge locations for Test BT.8.Typ.1.
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050
100150200250300350400450
-400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8N.Typ.1, Stirrups 6 & 8
6.1 8.18.2 8.3
050
100150200250300350400450
-400 0 400 800 1200 1600 2000 2400 2800Li
ve S
hea
r Lo
ad (k
ip)
Strain ()
BT.8N.Typ.1, Stirrups 9 & 11
9.1 9.29.3 11.1
Figure 13. Live Shear Load vs. Strain in the stirrups for Test BT.8N.Typ.1.
PP
3'-0"8'-8"
6 8 9 10 11Stirrup Number
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
1 1
1
1
2
3
1
2
3
Figure 14. Strain gauge locations for Test BT.8N.Typ.1.
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Live
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ear L
oad
(kip
)
Strain ()
BT.8N.Typ.2, Stirrups 8 & 10
8.1 8.310.3
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.2, Stirrups 13 & 14
13.1 14.114.2
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8N.Typ.2, Stirrups 11 & 12
11.1 12.312.4
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.8.Typ.2, Stirrups 15 & 16
15.1 15.216.1
Figure 15. Live Shear Load vs. Strain in the stirrups for Test BT.8N.Typ.2.
PP
3'-0" 13'-7"
6891011Stirrup Number
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
1213141516
1
1
1
11
1 22
3
3
4
3
Figure 16. Strain gauge locations for Test BT.8N.Typ.2.
I-10
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Typ.1, Stirrups 8 & 10
8.1 10.110.3
0
100
200
300
400
500
-400 0 400 800 1200 1600 2000 2400 2800Li
ve S
hea
r Lo
ad (k
ip)
Strain ()
BT.10.Typ.1, Stirrups 12 & 14
12.1 12.3
14.1
Figure 17. Live Shear Load vs. Strain in the stirrups for Test BT.10.Typ.1.
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
PP PP
3'-0"9'-0"
6 8 10Stirrup Number
12 14
11
13
1
3
Figure 18. Strain gauge locations for Test BT.10.Typ.1.
I-11
050
100150200250300350400450
-800 -400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Typ.2, Stirrups 8 & 10
8.2 10.1
10.2 10.3
050
100150200250300350400450
-800 -400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Typ.2, Stirrup 14
14.1 14.2
14.3 14.4
050
100150200250300350400450
-800 -400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Typ.2, Stirrup 12
12.1 12.2
12.3 12.4
050
100150200250300350400450
-800 -400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Typ.2, Stirrup 16
16.1 16.2
16.3
050
100150200250300350400450
-800 -400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Typ.2, Stirrups 18-21
18.1 18.2
19.1 21.1
Figure 19. Live Shear Load vs. Strain in the stirrups for Test BT.10.Typ.2.
I-12
P PP P
12'-9"3'-0"
6810Stirrup Number
121416181921
111
1
1
11
2222
2
2
333
3
44
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
Figure 20. Strain gauge locations for Test BT.10.Typ.2.
I-13
050
100150200250300350400450
-400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Min.1, Stirrups 6 & 7
6.2 7.2
7.40
50100150200250300350400450
-400 0 400 800 1200 1600 2000 2400 2800Li
ve S
hea
r Lo
ad (k
ip)
Strain ()
BT.10.Min.1, Stirrup 8
8.1 8.28.3 8.4
Figure 21. Live Shear Load vs. Strain in the stirrups for Test BT.10.Min.1.
PP PP
3'-0"8'-9"
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
6 7 8Stirrup Number
9
2 2
2
1
3
4
4
Figure 22. Strain gauge locations for Test BT.10.Min.1.
I-14
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Min.2, Stirrups 6 & 7
6.2 7.1
7.2
0
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Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Min.2, Stirrup 9
9.1 9.2
9.3 9.4
0
50
100
150
200
250
300
350
-400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Min.2, Stirrup 8
8.2 8.3
8.4
050
100150200250300350400450
-400 0 400 800 1200 1600 2000 2400 2800
Live
Sh
ear L
oad
(kip
)
Strain ()
BT.10.Min.2, Stirrups 10 - 12
10.1 10.2
11.1 12.1
Figure 23. Live Shear Load vs. Strain in the stirrups for Test BT.10.Min.2.
4
678Stirrup Number
9
P P
3'-0" 13'-6"
= strain gauge
= malfunctioning gauge
= stirrup yielded at gauge at cracking
= stirrup yielded at gauge
101112
11
1
1
2 222 33
4
1
2
Figure 24. Strain gauge locations for Test BT.10.Min.2.
