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Railway BridyBrunngrabeng
Special Session:Special Session:Austrian experience of using EurocChallenges and opportunities
Workshop „Bridge Design to Eurocodes – Background and Applicatio
gegn
codes for bridge design
ons“ Dr. Thomas Petraschek
Brunngraben Bridge StyriaBrunngraben Bridge – Styriasingle span steel bridge with open rail trac
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Introduction
ck
ons“ Dr. Thomas Petraschek
longitudinal cu
effective spa
rail track
g
rail track
owest line of old structure+ 630 50 m
clearance
+ 630,50 m
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Introduction
ut
n = 14,44 m
lowest line ofnew structure
+ 630 42 m+ 630,42 m
ons“ Dr. Thomas Petraschek
- straight bridge with straight and- straight bridge with straight and - min. 5000 mm clear width betwe- max. construction height 1220 mmax. construction height 1220 m- width of top flanges 500 mm - lack of stiffeners- span range from 10 – 20 m
[Fink J Ku
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Initial Situation
curved railway trackcurved railway trackeen top flanges mmmm
uss St NEW RAILWAY TROUGH BRIDGES 2007]
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
principle cross section for a
[Fink J Ku
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Statics
a span range of 10 – 20 m
uss St NEW RAILWAY TROUGH BRIDGES 2007]
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
self weight an dead loads (road- self weight an dead loads (road - load model LM71, SW/2 and “un- starting and breaking forcestarting and breaking force- nosing force- wind force- temperature- derailment force- earthquake force– defined in EN 1990, 1991 and 19
[Fink J Ku
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Statics
bed sleepers rails)bed, sleepers, rails)nloaded train”
998 (comprising NAD)
uss St NEW RAILWAY TROUGH BRIDGES 2007]
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
load model LM71 for local dimensioninload model LM71 for local dimensionin
[Fink J., Kuss St., NEW RAILWAY TROUGH BRIDGE
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Statics
ngng
ES, 2007]
ons“ Dr. Thomas Petraschek
standard cross section
[Fink J Ku
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Statics
- end supporting detailpp g
uss St NEW RAILWAY TROUGH BRIDGES 2007]
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
additional degrees of freedom
natural mode forl t l t i l b klilateral torsional buckling
[Fink J Ku
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Non deformability
uss St NEW RAILWAY TROUGH BRIDGES 2007]
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
bending momtransversal bridge
[Fink J Ku
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Secondary moments
ments for thedirection [kNm/m]
uss St NEW RAILWAY TROUGH BRIDGES 2007]
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
three critical problemsthree critical problems- loading of the web about the w- filled welds are stressed abou
[Fink J Ku
filled welds are stressed abou- much severe detail category fo
Workshop „Bridge Design to Eurocodes – Background and Applicatio
[Fink J., Ku
Secondary moments
weak axist their weak axis
uss St NEW RAILWAY TROUGH BRIDGES 2007]
t their weak axisor the weld
ons“ Dr. Thomas Petraschek
uss St., NEW RAILWAY TROUGH BRIDGES, 2007]
welding detailwelding detaildeck plate
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Detailed planning
transition in direction of forceexecute free from notches
transition in direction of force execute free from notches
ons“ Dr. Thomas Petraschek
execute free from notches
welding detailconnectionconnectiondeck plate to web
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Detailed planning
transition grindingg gfree from notches
ons“ Dr. Thomas Petraschek
Global family of standard
Eurocodes Execustand
EN 1990-EN 1999
stand
z.B. EN
DesignSpecific
compoDesign compo
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Standards
ds for steel constructions
ution-dards
Materialstandardsdards
N 1090 z.B. EN 10025-2
cation of onents
Material, products, testing methodsonents testing methods
ons“ Dr. Thomas Petraschek
S ifi ti d d k t tiSpecifications and dokumentation
EN 1090-2, 4.1.1: Execution Speci
The necessary information and techeach part of the works shall be agrecommencement of execution of that
– additional information, as liste– options, as listed in A.2– execution classes, see 4.1.2– preparation grades, see 4.1.3– tolerance classes, see 4.1.4
Workshop „Bridge Design to Eurocodes – Background and Applicatio
EN 1090-2
n
ification – General
hnical requirements for execution of eed and complete before t part of the works.
ed in A.1
3
ons“ Dr. Thomas Petraschek
Workshop „Bridge Design to Eurocodes – Background and Applicatioons“ Dr. Thomas Petraschek
Workshop „Bridge Design to Eurocodes – Background and Applicatio
EN 1090-2
EN 1990, Annex B
ons“ Dr. Thomas Petraschek
Workshop „Bridge Design to Eurocodes – Background and Applicatio
EN 1090-2
?!?
ons“ Dr. Thomas Petraschek
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Execution
ons“ Dr. Thomas Petraschek
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Execution
ons“ Dr. Thomas Petraschek
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Execution
ons“ Dr. Thomas Petraschek
Thank you for yy y
Workshop „Bridge Design to Eurocodes – Background and Applicatio
Conclusions
your attention!y
ons“ Dr. Thomas Petraschek
