TM-5-5420-279-10
BRIDGE DESIGN WORKSHEET
BRIDGE DESIGN
20 m to 22 m
22 m to 28 m
28 m to 34 m
34 m to 40 m
A.R. SPAN RANGE
MAX. & MIN. FAR
BANK HEIGHT
ABOVE OR
2m
2.5 m
3m
3m
BELOW HOME
BANK
LAUNCH BEAMS
1 x Forward + 4
1 x Forward + 5
1 x Forward + 6
1 x Forward + 7
BRIDGE
CONFIGURATION
2 parallel + 2 ramp
3 parallel + 2 ramp
4 parallel + 2 ramp
5 parallel + 2 ramp
LVT+
LVT+
LVT+
LVT+
LOADS REQUIRED
V1+T1+V2
V1+T1+V2
V1+T1+V2+T2
V1+T1+V2+T2
V3+T3+T2 ( 2x 20 m)
V3+T3+T2 ( 2x 20 m)
BRIDGE LENGTH
23.9 m
29.8 m
35.8 m
41.7 m
DIMENSION `A'
29.7 m 'AR' span
35.7 m 'AR' span
41.7 m 'AR' span
23.7 m 'AR' span
BRIDGE
A=
A=
A=
A=
BUILD
Offset from AR Peg
to A Frame Feet
DIMENSION `A'
0.8 m
0.8 m
0.8 m
0.8 m
BRIDGE
FROM EDGE OF
FROM EDGE OF
FROM EDGE OF
FROM EDGE OF
RETRIEVAL
BRIDGE
BRIDGE
BRIDGE
BRIDGE
HOME BANK
28.95 m 'AR' span
34.95 m 'AR' span
40.85 m 'AR' span
23.05 m 'AR' span
BEARING (END OF
HOME BANK
HOME BANK
HOME BANK
HOME BANK
BRIDGE)
BEARING
BEARING
BEARING
BEARING
& FIG 1.8 ]
MAXIMUM BEARING AREA: IF HOME BANK SLOPE IS LESS THAN LEVEL AND THE
GROUND BEARING AREA IS GREATER THAN 0.85 m, GROUND PREPARATION IS
REQUIRED. CHECK BANK CONDITIONS.
MARK OUT BUILD SITE FOR LAUNCHER & FLAT RACK POSITIONING AS DETAILED IN
SITE MARKOUT
Change 1 I-1
