dcal bridge preliminary structural analysis 9 may 2012
DESCRIPTION
DCAL Bridge Preliminary Structural Analysis 9 May 2012. PHOS & DCAL conservative assumption in the analysis. DCAL 6 tons. PHOS 6 tons. PHOS b=300mm, a=1800mm. DCAL b=300mm, a=800mm. PHOS & DCAL final position. PHOS & DCAL module insertion along DCAL BRIDGE. 1280. 1750. - PowerPoint PPT PresentationTRANSCRIPT
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CORRADO GARGIULO 1
DCAL BridgePreliminary Structural
Analysis
9 May 2012
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CORRADO GARGIULO 2
ab bab b
PHOS b=300mm, a=1800mm DCAL b=300mm, a=800mm
PHOS6 tons
DCAL 6 tons
PHOS & DCAL conservative assumption in the analysis
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CORRADO GARGIULO 3
PHOS & DCAL final position
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CORRADO GARGIULO 4
1750
1350
1280
PHOS & DCAL module insertion along DCAL BRIDGE
UNSOPPORTED RAILS LENGTH (mm)
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CORRADO GARGIULO 5
RAILS
Rails materialAl 6106 T6 (high strenght Al alloy)Ultimate tensile strenght = 263 N/mm²Yield Strength = 240 N/mm²E=Young Modulus= 69.5 GpaMaterial data from Manoel (measured values)
L=1350mm
Ix= 1049908 mm4
P=15000N Mmax=PL/8=2531250Nmm
Stress max=(M/I)y=15.1 MpaDispl max= PL3/(192EI)= 0.26
P
y
x
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CORRADO GARGIULO 6
3 tons
1m
FE Mesh
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CORRADO GARGIULO 7
3 tons on two wheels (one per rail) in the middle of the unsupported length 1350mm between rotator and the beams support
Max stress (Von Mises) 50 MPa
0°
1350mm
LOAD CASE
1350mm
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CORRADO GARGIULO 8
Max displacement 0.8mm
3 tons on two wheels (one per rail) in the middle of the unsupported length 1350mm between rotator and the beams support
0°
1350mm
LOAD CASE
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CORRADO GARGIULO 9
20°
Max stress (Von Mises) 72 MPa
3 tons on two wheels (one per rail) in the middle of the unsupported length 1350mm between rotator and the beams support
1350mm
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CORRADO GARGIULO 10
Max displacement 0.9mm
20° 3 tons on two wheels (one per rail) in the middle of the unsupported length 1350mm between rotator and the beams support
1350mm
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CORRADO GARGIULO 11
40°
Max stress (Von Mises) 81 MPa
3 tons on two wheels (one per rail) in the middle of the unsupported length 1350mm between rotator and the beams support
1350mm
Assumption: Rails inter-distance assumed the same as for 0° and 20°
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CORRADO GARGIULO 12
Max displacement 0.9mm
40°3 tons on two wheels (one per rail) in the middle of the unsupported length 1350mm between rotator and the beams support
1350mm
Assumption: Rails inter-distance assumed the same as for 0° and 20°
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CORRADO GARGIULO 13
Max stress (Von Mises) 62 MPa
0°
3 tons on two wheels (one per rail) in the middle of the unsupported length 1750mm between rotator and the beams support
1750mm
1750mm
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CORRADO GARGIULO 14
Max displacement 1.23mm
0°
3 tons on two wheels (one per rail) in the middle of the unsupported length 1750mm between rotator and the beams support
1750mm
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CORRADO GARGIULO 15
0°
Max stress (Von Mises) 123 MPa
6 tons on two wheels (one per rail) in the middle of the unsupported length 1750mm between rotator and the beams support
1750mm
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CORRADO GARGIULO 16
0°
Max displacement 2.44mm
6 tons on two wheels (one per rail) in the middle of the unsupported length 1750mm between rotator and the beams support
1750mm
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CORRADO GARGIULO 17
0° 6 tons on two wheels (one per rail) in the middle of the unsupported length 1750mm between rotator and the beams support
1750mm
Max stress (Von Mises) 102 MPa
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CORRADO GARGIULO 18
0°0° 6 tons on two wheels (one
per rail) in the middle of the unsupported length 1750mm between rotator and the beams support
1750mm
Max displacement 1.88mm
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CORRADO GARGIULO 19
Unsupported length(mm)
Module inclination
Weight
(ton)
stiffner STRESS
(MPa)
DISPL
(mm)1350 0° 3 50 0.8
20° 3 72 0.9
40° 3 81 0.9
1750 0° 3 62 1.23
0° 6 123 2.44
~1750/2 0° 6 add beams
102 1,88
Al 6106 Yield Strenght 240 MPa
to be compared with
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CORRADO GARGIULO 20
backup
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CORRADO GARGIULO 21