S E M I N A R S E R I E S 2 0 1 9

WHY YOU & YOUR EMPLOYEES SHOULD ATTEND THIS SEMINARThe Strut & Tie method of analysis and design is a unified approach that considers all load effects (M, N, V, T) simultaneously and has evolved as one of the most useful design methods for shear critical structures and the regions of concrete structures where complex interactions occur.

The method relies on a first-principles approach to explain how forces are transmitted through reinforced concrete and is particularly effective when trying to explain the complex actions occurring in diaphragms, deep beams, prestressed members, and members with penetrations.

The procedure also allows a consideration of the likely pattern of cracking and is particularly effective as an investigative tool when trying to explain post-earthquake observations. The procedure is detailed within NZS 3101 but until recently has not been widely taught to training structural engineers.

THIS SEMINAR WILL COVER• Understandingthebasictheoryofstrutandtie

modellingandhowitcanbeusedtodesigncomplexregionsofconcretestructures.

• Conceptsofestablishingsimple,reliableandpracticalstrutandtiemodelsfordifferenttypesofconcretemembers.

• Useofstrutandtieasanexplanatorytooltounderstandobservedperformanceincludingfailuresinconcretestructures.

• StrutandtiedesigncompliantwithAppendixAofNZS3101.

• Examplesoftheuseofstrutandtieforrealdesignscenarios.

OTHER BENEFITS• Comprehensiveresourcethroughtheseminarnotes

• Knowledgeableexperiencedspeakerswithgoodplatformskills

• Theopportunitytonetworkwithindustrypeers

WHO SHOULD ATTENDDesigners,Specifiers,ConsultingEngineers,BuildingCertifiers,LocalAuthorities,GraduateEngineersandContractors. INVESTMENT DETAILS• CNZ-LSmembers$360(GSTexclusive)perperson

• NonCNZ-LSmembers$460(GSTexclusive)perperson(includescomplimentaryCNZ-LSmembershipuntil30June2020)

SEMINAR FEES INCLUDE• Teaandcoffeeonarrival• Afternoontea• Comprehensiveseminarnotes

STRUT & TIEPresented by ConcreteNZ–LearnedSociety

PROGRAMME12:30 – 1.00 Registration

1.00 - 2.00 pm

Fundamentals of Strut & Tie (Rick Henry) • B and D regions • Truss modelling of concrete structures • Establishing strut and tie models • Typical applications for strut and tie

2.00 - 3.00 pm

Using Strut & Tie as an Investigative Tool (Des Bull) • Review load paths in structures • Explain damage seen in structures after

loading, including earthquake damage • Understand causes of engineering failures

3.00 - 3.30 pm Afternoon Tea

3.30 - 4.15 pm

Doing Strut & Tie Design Compliant to NZS 3101 (Rick Henry) • Types and strengths of nodes • Design of ties • Design of struts • Deep beam example

4.15 - 5.00 pm

Examples of Strut and Tie Designs (Des Bull) • Step by step design examples using real scenarios

encountered in design practice• Implementation of strut and tie technique to solve

complex designs

VENUESWellington Tuesday 10 September 2019 Engineering New Zealand, Level 6,

NEC House, 40 Taranaki St, Wellington

Auckland Thursday 12 September 2019 Ellerslie Event Centre 80-100 Ascot Avenue (Ellerslie

Racecourse), Greenlane, Auckland

North Harbour Tuesday 17 September 2019 North Harbour Stadium Stadium Drive, Albany, Auckland

Christchurch Thursday 19 September 2019 Chateau on the Park, a DoubleTree by Hilton 189 Deans Avenue, Riccarton, Christchurch

SPEAKERS PROFILESDes BullDes is a Technical Director of Holmes Consulting Group LP. His duties involve the development of structural engineering services for the company, with an emphasis on concrete structures and the performance of concrete materials in a variety of environments and in-service conditions. As the Holcim Adjunct Professor in Concrete Design, at the Department of Civil and Natural Resources Engineering, University of Canterbury, Des taught the design of concrete structures and led a number of research programmes.

Des is a Past President and Honorary member of the NZ Concrete Society, Life Member of SESOC and a Fellow of the NZSEE and has served on the Technical Committees for NZS 3101: Concrete Structures and NZS 1170.5: Earthquake Loads.

Rick HenryRick is a senior lecturer in the Department of Civil and Environmental Engineering at the University of Auckland where he teaches the design of concrete structures, including strut and tie methods. Rick’s research interests include the seismic design and assessment of reinforced concrete structures and in particular precast concrete construction. Rick is current involved in research projects related to the repairability of concrete walls, assessment and of existing precast concrete and

of low-damage concrete structural systems.

Rick is a council member of the Concrete NZ – Learned Society and has served as a member of the technical committee for the NZ Concrete Structures Standard, NZS 3101:2006.

PRESENTERSThe Concrete NZ – Learned Society acknowledges the following supporting organisations for making this seminar series possible:

Des Bull, Courtesy of Holmes Consulting GroupRick Henry, Courtesy of University of Auckland

Seminar Series 2019STRUT & TIE

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Wellington, 10 September 2019 Auckland, 12 September 2019

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