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Seminar: Design of welded connections – Wellington
July 11, 2018
Why attend?
Proper design and cost-effective construction of welded connections require considerations of some of the unique issues associated with welding, in addition to specific loading environment. These are weld in-situ strength, residual stresses, and geometric discontinuities, each of which plays a different role in contributing resultant joint strength, and fatigue/fracture resistances under different loading conditions, particularly seismic loading.
Seminar delivered in two parts.
Part I will start with some of the recent developments in supporting national and international Codes and Standards relevant to design and construction of civil steel structures. These topics include: fitness-for-service based quantitative weld defect acceptance criteria; fillet weld sizing criteria, weld residual stress consideration in fracture control, and fatigue (both high-cycle and low-cycle fatigue) evaluation procedures, e.g., the one stipulated by ASME Div 2 since 2007.
Part II will discuss how these new developments can be taken advantage of for supporting the use and making an appropriate interpretation of existing design and analysis methods given by various Codes and Standards for achieving joint strengths, and fatigue/fracture resistances required of civil steel structures through a series of case studies. These include: assessment of load capacity of full penetration butt welds versus partial penetration and fillet welds; low cycle fatigue and unstable fracture evaluation for seismic loading conditions; recommended weld repair procedures and rationales, etc.
A significant issue in today’s procurement environment is actually evaluating whether a steel product meets the product conformity. The sessions covering New Zealand steel product conformity and fabrication quality aspects will be presented by Michail Karpenko, HERA.
Who should attend?
Designers, structural engineers, consultancy engineers, mechanical engineers, maintenance and quality control engineers. The seminar will be especially relevant to all professionals in steel construction, design, fabrication and maintenance.
Delegates are encouraged to bring along their design problems to contribute to discussions and local case studies.
Duration
- Full day
- 9am to 5pm
Program
- 9.00am: Welcome and introduction
- 9.15am: Part 1 – Recent developments for improved treatment in design of welded joints in codes and standards. Covering defect acceptance criteria; basis of fillet weld sizing; & stress concentration determination
- 10.30am: Morning tea
- 10.45am: Part 1 continued – Residual stress considerations in FFS; case studies including brittle fracture assessment of MRC, SCC in a storage tank, fatigue life improvement of a high speed train motor frame, etc; comments on related parts of AWS D1.1, BS7608, BS 7910, ASME Div 2 and API 579Stress concentration determination
- 12.15pm: Lunch
- 1.00pm: Part 2 – Applications in using existing codes and standards. Covering qualitatively assessing load capacity of full penetration butt welds and fillet welds; in-situ weld strength determination method; low cycle fatigue evaluation of welded connections for seismic loading
- 2.30pm: Afternoon tea
- 2.45pm: Part 2 continued
- 3.30pm: NZ and Australian welding requirement. Covering AS/NZS 5131, 1554 & 3992, AS 4458, and AS/NZS ISO 3834 & 9606.1 – presented by Michail Karpenko
- 4.15pm: Fatigue evaluation of steel bridge details using AASHTO beyond specfied weld categories
- 5.00pm: Q&A and end of seminar
Professor Pingsha Dong | University of Michigan | Welded Structures Laboratory Director
I’m the inventor of the mesh-insensitive structural stress method (also referred to as the Master S-N Curve Method) adopted by the 2007 ASME Div 2 and API 579/ASME FFS-1 Codes and Standards mandated by over 50 countries worldwide. Over the past 10 years, I’ve taught courses in fatigue design, fracture control, residual stress/distortion control in over a dozen countries around the globe. I’ve also published more than 180 peer-reviewed papers in archive journals and major conference proceedings, including over 20 plenary/keynote lectures at major international conferences. I’ve received numerous prestigious national and international awards/recognitions, including AWS Fellow Award (2015), IIW Fellow Award (2014), SNAME Helmer L. Hann Award (2012 and 2007), IIW Evgeny Paton Prize (2008), R&D Magazine’s R&D 100 Award (2006), TIME Magazine’s Math Innovator (2005), Aviation Week and Space Technology’s Aerospace Laurels Award (2004), SAE Henry Ford Award (2003), AWS R.D. Thomas Award, and ASME G.E.O Widera Literature Award (2002), among many others.
$375
$490
$575
HERA Ordinary members
HERA Associate, SCNZ, CBIP, NZSSDA, SESOC & Engineering NZ members
Non members
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35% discount
15% discount
Full price
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- Fee’s include event entry, tea & coffee, lunch and seminar notes
- Persons enrolled who wish to cancel must do so in writing. Up to 14 days prior to the seminar a 10% administration deduction fee applies. Between 7 – 14 days prior a 50% deduction applies. Less than seven days, no refund will be provided.
Address
Copthorne Hotel Oriental Bay
100 Oriental Parade, Oriental Bay
Wellington 6011
Not based in Wellington?
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Auckland – 10 July 2018
Christchurch – 12 July 2018
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