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25 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

201 εμφανίσεις

B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
16-1
LRFD
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
P6-1
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
Typical Girder Shape and Span Length
Girder Type
Possible Span Length
50’ to 125’
80’ to 150’
80’ to 150’
80’ to 200’
20’ to 70’
40’ to 120’
60’ to 120’
30’ to 100’
Preferred Span Length
50’ to 95’
95’ to 150’
80’ to 120’
80’ to 180’
20’ to 50’
40’ to 100’
60’ to 100’
30’ to 60’
California I-Girder
Precast Box Girder
Precast Delta Girder
Precast Double T Girder
California Bulb-Tee Girder
California Bath-Tub Girder
California Wide-Flange Girder
California Voided Slab
Bridge Type
Possible Span Length
30’ to 200’
100’ to 325’
200’ to 450’
Preferred Span Length
30’ to 180’
120’ to 250’
250’ to 400’
Precast-pretensioned Girder
Post-tensioned Spliced
Precast Girder
Segmental Precast-
pretensioned Girder
See the list of Precast Girder Bridge Standard Detail Sheets (XS Sheets) at:
www.dot.ca.gov/hq/esc/techpubs/manual/bridgemanuals/bridge-standard-detail-sheets
Note:
6-1.1
Typical Precast Bridge Type and Span Length6-1.2
2
LRFD
(
a
)
California Standard “I” Girder
Section Properties
aerA ssorG"h""D"
(in
2
) (in
4
) (in
3
) (in
3
) )tf/sbl()ni()ni()ni )ni(((ft-in)
3’-0’’CA
I
36
CA
I
42
CA
I
48
CA
I
54
CA
I
60
CA
I
66
3’-6’’
4’-0’’
4’-6’’
5’-0’’
5’-6’’
15
21
27
33
39
45
432
474
63,000
95,400
136,400
186,400
246,900
318,000
17.1
20.0
22.8
25.7
28.6
31.6
20.0
25.2
28.3
31.4
34.4
14.2
16.3
18.3
20.3
22.3
18.9 3,684.2
4,770.0
5,982.5
7,264.6
6,832.9
10,063.3
4,336.4
5,412.7
6,597.2
7,863.1
9,244.2
3,333.3 12.1 450
I
cg
y
b
y
t
S
b
S
t
r
WeightGirder
Series
558
516
642
600
494
581
538
669
625
19"
"6"7 6"
"h"
"6"3"6"6
"D"
"X"
"e"
"y "
b
"y "
t
C.G. Section
C.G. Prestress
Force
6-1
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
California Standard Girder Shapes6-1.3
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
3
LRFD
(
b
)
California Standard “Bulb-Tee” Girder
Section Properties
"D""h"
Gross
Area
(in
2
)
(in
4
) (in
3
) (in
3
) )tf/sbl()ni()ni()ni( (in)(ft-in)
4’-7 1/8’’
5’-6 7/8’’
6’-0 7/8’’
6’-6 3/4’’
7’-0 5/8’’
5’-1’’
33.465
39.370
45.276
51.181
57.087
62.992
925
971
373,350
483,385
610,718
755,589
919,200
1,102,271
28.4
31.3
34.2
37.2
40.1
43.1
29.7
32.7
35.6
38.6
41.6
22
24
27
29
31
26.7 13,153
15,444
17,830
20,309
22,912
25,592
16,262
18,689
21,207
23,800
26,513
13,966 20 963
I
cg
y
b
y
t
S
b
S
t
r
Weight
1,063
1,018
1,157
1,110
1,012
1,108
1,060
1,205
1,157
"h"
3-15/16"5-7/8"7-7/8"
"D"
"X"
"e"
"y"
b
C.G. Prestress
Force
C.G. Section
"y"
t
47-1/4"
3-15/16"
Optional Post-
Tensioning Ducts
R = 7-7/8" (typ)
29-1/2"
Note: All dimensions are converted
from S
I
unit.
19-11/16"19-11/16"7-7/8"
6-1
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
CA BT55
CA BT61
CA BT67
CA BT73
CA BT79
CA BT85
4’-1’’
27.375 272,373 25.3 23.7 1810,766 11,493856 892
CA BT49
Girder
Series
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
4
LRFD
(
c
)
California Standard “Bath-Tub” Girder
Section Properties
7-7/8"
16-3/4"
2-7/8"
Optional Post
-
Tensioning
Ducts
59"
3"
C.G. Prestress
Force
3"
6-7/8"
“D”
11 3/4
"
“h”
“X”
“e”
2"
6-7/8"
4-7/8"
1
4
"y "
b
"y "
t
C.G. Section
"h""D"
Gross
Area
(in
2
)
(in
4
) (in
3
) (in
3
) )tf/sbl()ni()ni()ni( (in)(ft-in)
4’-7 1/8’’
5’-6 7/8’’
6’-0 7/8’’
6’-6 3/4’’
7’-0 5/8’’
5’-1’’
36.4
42.3
48.2
54.1
60.0
65.9
460,081
604,231
773,128
968,692
1,192,606
1,446,551
24.1
26.9
29.7
32.6
35.4
38.3
34.1
37.2
40.3
43.3
46.4
21
22
24
26
28
31.0 19,095
22,471
26,010
29,752
33,695
37,801
17,702
20,780
24,052
27,513
31,190
14,830 19
I
cg
y
b
y
t
S
b
S
t
r
Weight
1,627
1,531
1,435
1,339
1,819
1,723
1,495
1,395
1,695
1,595
1,895
1,795
6-1
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
CA TUB55
CA TUB61
CA TUB67
CA TUB73
CA TUB79
CA TUB85
Girder
Series
Note: All dimensions are
converted from S
I
unit.
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
5
LRFD
(
d
)
California Standard Pretensioned “Wide-Flange” Girder
Section Properties
“yt”
C.G. Section
4’-0”
“D”
“X”
C.G. Prestress
Force
6
1
/
2

1’-8
3
/
4
”1’-8
3
/
4

r = 10

3”
13/4”
r = 2½

(typ)
3
/
4

Chamfer
21/2”
3’-9

8 @ 2

= 1’-4


6 sp. @
2” = 1’-0”
“yb”
“e”
61/8”
r

=

10

3
1
/
2

1

(typ)
63/8”
1’-7
1
/
4

r = 2½

(typ)
Size "D" A I “y
b
” “y
t
” S
b
S
t
r w
(ft-in) (in) (in
2
) (in
4
) (in) (in) (in
3
) (in
3
) (in) (lb/ft)
4’-0” 48 882 274, 880 20.69 27.31 13, 290 10, 070 17.65 920

4’-6” 54 921 369, 100 23.23 30.77 15, 890 12, 000 20.02 960
5’-0” 60 960 479, 620 25.82 34.18 18, 580 14, 030 22.35 1, 000
5’-6” 66 999 607, 130 28.44 37.56 21, 350 16, 160 24.65 1, 040
6’-0” 72 1, 038 752, 430 31.08 40.92 24, 210 18, 390 26.92 1, 080
6'-6" 78 1, 075 913, 490 33.77 44.23 27, 050 20, 650 29.15 1, 120
7’-0” 84 1, 116 1, 099, 400 36.45 47.55 30, 160 23, 120 31.39 1, 160
7'-6" 90 1, 153 1, 297, 900 39.19 50.81 33, 120 25, 550 33.55 1, 200
8’-0” 96 1, 194 1, 526, 600 41.91 54.09 36, 430 28, 220 35.76 1, 240
8'-6" 102 1, 231 1, 764, 700 44.68 57.32 39, 500 30, 790 37.86 1, 280
9’-0” 108 1, 272 2, 039, 200 47.42 60.58 43, 000 33, 660 40.04 1, 330
9'-6" 114 1, 309 2, 319, 500 50.23 63.77 46, 180 36, 370 42.09 1, 360
10’-0” 120 1, 350 2, 643, 200 52.99 67.01 49, 880 39, 450 44.25 1, 410
6-1
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
Girder
Series
CA WF48
CA WF54
CA WF60
CA WF66
CA WF72
CA WF78
CA WF84
CA WF90
CA WF96
CA WF102
CA WF108
CA WF114
CA WF120
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
6
LRFD
Section Properties
Size "D" A I “y
b
” “y
t
” S
b
S
t
r w
(ft-in) (in) (in
2
) (in
4
) (in) (in) (in
3
) (in
3
) (in) (lb/ft)
4'-0" 48 954 289, 440 20.94 27.06 13, 820 10, 700 17.42 990
4'-6" 54 1, 002 389, 840 23.54 30.46 16, 560 12, 800 19.72 1, 040
5'-0" 60 1, 050 508, 060 26.18 33.82 19, 410 15, 020 22.00 1, 090
5'-6" 66 1, 098 644, 950 28.85 37.15 22, 360 17, 360 24.24 1, 140
6'-0" 72 1, 146 801, 460 31.55 40.45 25, 400 19, 810 26.45 1, 190
6'-6" 78 1, 192 975, 690 34.29 43.71 28, 450 22, 320 28.61 1, 240
7'-0" 84 1, 242 1, 177, 000 37.01 46.99 31, 800 25, 050 30.78 1, 290
7'-6" 90 1, 288 1, 393, 100 39.80 50.20 35, 000 27, 750 32.89 1, 340
8'-0" 96 1, 338 1, 642, 000 42.56 53.44 38, 580 30, 730 35.03 1, 390
8'-6" 102 1, 384 1, 902, 800 45.38 56.62 41, 930 33, 610 37.08 1, 440
9'-0" 108 1, 434 2, 202, 900 48.16 59.84 45, 740 36, 810 39.19 1, 490
9'-6" 114 1, 480 2, 511, 700 51.01 62.99 49, 240 39, 870 41.20 1, 540
10'-0" 120 1, 530 2, 867, 100 53.81 66.19 53, 280 43, 320 43.29 1, 590
6-1
Girder
Series
CA WF48PT
CA WF54PT
CA WF60PT
CA WF66PT
CA WF72PT
CA WF78PT
CA WF84PT
CA WF90PT
CA WF96PT
CA WF102PT
CA WF108PT
CA WF114PT
CA WF120PT
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
1’-8
3
/
4

C.G. Prestress
Force (near supports)
“yt”
C.G. Section
4’-1
1
/
2

“D”
C.G. Prestress
8”
1’-8
3
/
4

r = 10”
3”
13/4”
r = 2
1
/
2

(typ)
3
/
4
” Chamfer
21/2”
3’-10
1
/
2

8 @ 2” = 1’-4”
3 @
2”=6”
“yb”
“eb”
61/8”
r = 10”
3
1
/
2

63/8”
1’-7
1
/
4

Post-Tensioning Ducts
(4" Max, OD)
“et”
3
3
/
4

r = 2
1
/
2
” (typ)
1” Clr Min

(
e
)
California Standard Post-Tensioned “Wide-Flange” Girder
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
Force (at midspan)
7
LRFD
36’’
12’’
15’’
7’’o
/
7 / ’’
1
2
10 / ’’
1
2
10 / ’’
1
2
7 / ’’
1
2
48’’
12’’
7’’o
/
15’’
9’’
10 / ’’
1
2
14 / ’’
1
2
9 / ’’
1
2
9 / ’’
1
2
14 / ’’
1
2
10 / ’’
1
2
9’’
9’’
9’’
9’’
o
/
9’’
o
/
9’’
o
/
9’’
o
/
9’’
o
/
9’’
o
/
15’’10 / ’’
1
2
10 / ’’
1
2
14’’
7’’o
/
7 / ’’
1
2
10 ’’ 14 ’’ 10 ’’
14’’10 ’’ 14 ’’ 10 ’’
7 / ’’
1
2
7’’o
/
7’’o
/
10 / ’’
1
2
10 / ’’
1
2
10 / ’’
1
2
10 / ’’
1
2
12’’o
/
12’’o
/
12’’o
/
12’’
o
/
Indicates void
(
f

)
California Standard “Voided” Slab
SI - 36
SII - 36
SIII - 36
SIV - 36
SI - 48
SII - 48
SIII - 48
SIV - 48
6-1
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
Note: Non-standard width and depth of voided slab can be manufactured without much extra cost.
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS
8
LRFD
(
g

)
Other Precast Girder Shapes
Precast Box Girder
Precast Double T Girder
6-1
Precast Delta Girder
B
RIDGE
D
ESIGN
A
IDS
• J
ULY
2012
P
RECAST
-P
RESTRESSED
C
ONCRETE
G
IRDERS