Continuing Education for the Practical Structural Engineer: |
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A Steel By Any Other Name:
Stainless Steel & Other Materials
WEBINAR SERIES (3 Consecutive Thursdays)
JAN 14, 21, & 28, 2021 | 11 a.m. - Noon (EST)
TOPICS:
Structural Stainless Steel Design to AISC 370
Engineering Design of Stainless Steel to the new AISC Specification
The Pros and Cons of Gray Cast Iron
3.0 SEAMASS PDHs or 3.0 NCSEA Diamond-Certified PDHs
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EVENT TIMING & REGISTRATION |
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WHEN: Thursdays, JAN 14, 21, & 28, 2021 | 11:00 a.m. - Noon (EST)
WHERE: Online via Zoom Webinar; Registrants will receive access link prior to event
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INVESTMENT:
SEAMASS-Certified PDHs:
$25 per webinar (1.0 PDH) OR $60 for ALL 3 Webinars (3.0 PDHs)
NCSEA Diamond-Certified PDHs:
$30 per webinar (1.0 PDH) OR $75 for ALL 3 Webinars (3.0 PDHs)
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Click above to register for the full series OR individual events |
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3 PRESENTATION TOPICS & OVERVIEWS |
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JANUARY 14
Structural Stainless Steel Design to AISC 370
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PRESENTER:
Nancy Baddoo, MA CEng FICE | Associate Director, Steel Construction Institute
OVERVIEW:
In response to a growing need for long-lasting, corrosion resistant and resilient materials in the built environment, AISC has developed a new specification for designing structural stainless steel members and connections.
This presentation will give an introduction to the new specification, explaining why it is needed and how the mechanical and physical properties of stainless steel differ from those of carbon steel. The structural performance of stainless steel will be compared to that of carbon steel, both at ambient temperatures and in fire, highlighting the key differences in the design provisions in AISC 370 to those in AISC 360.
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JANUARY 21
Engineering Design of Stainless Steel to the New AISC Specification
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PRESENTER:
Michael Mulhern, PE | Founder/President, TriPyramid Structures, Inc.
OVERVIEW:
The use of stainless steel in structural applications poses several challenges that are not found when working in carbon steel. There are a large number of stainless steel alloys available. These alloys offer a wide range of corrosion resistance, strengths, and appearances. The successful use of stainless steel components requires an understanding of the appropriate alloy choices and how the various types are fabricated.
This presentation will offer the engineer and designer an introduction to the alloys that are included in the new AISC 370 “Specification for Structural Stainless Steel Buildings”. We will present several projects that incorporate the stainless steel alloys covered by AISC 370. We will illustrate best practices as well as highlighting situations that require great care. Additionally, we will touch on the practical implications of the publishing of AISC 370 and AISC 313 Code of Standard Practice for Structural Stainless Steel Buildings.
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JANUARY 28
The Pros and Cons of Gray Cast Iron
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PRESENTER:
Robert Vecchio, Ph.D., PE | CEO, LPI, Inc.
OVERVIEW:
Cast iron is part of a family of iron-carbon-silicon alloys and a wide variety of structures are formed from this alloy family, which depend on the composition, cooling rate, heat treatment, and other processing variables. The important members of the cast iron family include: gray iron, white iron, vermicular iron, and nodular or ductile iron.
Gray cast iron comes in several varieties, designated by Class in accordance with ASTM A48 Standard, which designates the tensile strength. For example, a Class 30 gray iron has an intended minimum tensile strength of 30 ksi strength. However, the composition and cooling rate strongly influence the actual strength of the as-cast components. Frequently, the as-cast strength is meaningfully lower than the intended minimum strength.
This presentation will discuss the important variables that affect cast iron performance and the related “Pros” and “Cons” associated with gray iron castings.
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Nancy Baddoo, MA CEng FICE | Associate Director
Steel Construction Institute
Nancy Baddoo is an Associate Director at The Steel Construction Institute (SCI) in the UK, and a fellow of the Institution of Civil Engineers. She is responsible for SCI’s work on high performance steels which involves research, standards development and disseminating design guidance through publications, seminars and design tools.
For the past 10 years she has chaired the European technical committee responsible for the stainless steel Eurocode, EN 1993-1-4. She wrote the AISC Design Guide 27, Structural Stainless Steel, and has taken a key role in the development of the new AISC specification for structural stainless steel, AISC 370.
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Michael Mulhern, PE | Founder & President
TriPyramid Structures, Inc.
Michael Mulhern is the Founder and President of TriPyramid Structures, Inc., a design, engineering and fabrication firm founded in 1989.
Michael's training is in aerospace and mechanical engineering. Prior to partnering with Tim Eliassen to found TriPyramid he worked designing yacht hardware at Navtec and in many facets of the sailing and offshore marine industries. He has experience as a builder, a designer, and a user of complex rigging and hardware systems. This breadth of experience helps him lead the team at TriPyramid to find solutions that meet all of the design challenges: aesthetic, structural, budgetary, and serviceability.
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TriPyramid hardware and tension rod systems can be found in projects worldwide. The company is known for its involvement with iconic projects such as: Pei’s pyramid at the Louvre, Polshek’s Rose Center in New York, Vinoly’s Tokyo International Forum, and Apple flagship stores from 5th Avenue, New York, to Europe, Japan, and Asia. The vast majority of TriPyramid’s projects, however, involve smaller collaborations where architects and owners use visible details to enhance the feeling of perfection they are striving for. The company designs and manufactures hardware systems ranging from simple tie rods to elegant residential and commercial stairs. |
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Robert Vecchio, Ph.D., PE | CEO
LPI, Inc.
Robert Vecchio specializes in root cause, stress, fitness-for-service (FFS), fatigue, and fracture mechanics analyses of structures and systems.
His is a licensed professional engineer in NY, MA, KS, WA and FL, and holds a B.S. in Aerospace Engineering and Supplement in Materials Science from University of Southern California, an M.S. in Metallurgical Engineering from Lehigh University, an M.S. in Civil-Structural Engineering from Manhattan College, and a Ph.D. in Metallurgical Engineering from Lehigh University.
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Dr. Vecchio has participated in some of the most challenging structure and system issues including the Exxon Valdez Hull Rupture, 1993 World Trade Center bombing, the Hell Gate gas main and Gramercy Park steam main explosions, the 4 Times Square scaffolding collapse, Indian Point NPP steam generator girth weld cracking, ACELA train brake failure and redesign, I-35 Minneapolis bridge collapse, FFS assessment of New World Trade Center Transportation Hub, and the tragic rescue and recovery efforts following the collapse of the World Trade Center towers.
In addition to his responsibilities at LPI, Inc. Dr. Vecchio is also an assistant professor at Manhattan College where he teaches a graduate course in fracture mechanics and fatigue analyses. He has also authored or co-authored over forty technical publications.
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Contact: Jeff Porter | Vice President, Sales & Marketing
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TriPyramid Structures, Inc. is a design, engineering, and fabrication firm founded in 1989. The company specializes in architectural features with a high degree of fit and finish or difficult geometry. Our work is featured on a wide range of unique projects around the world.
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