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