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IABSE's Upcoming Webinars: Register for free (Members and Non-members).

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Topic: Building and Infrastructure Performance During the Kahramanmaraş Earthquake Sequence

Date and Time: Tuesday, December 12, 2023 - 1 pm ET/ 10 am PT.

Hybrid webinar organised by the US Group of IABSE. Attendance to this Technical Presentation will award 1 PDH Credit.

Speakers: Dr. Brent Chancellor and Dr. Koray Tureyen.

Moderator: Maria Grazia Bruschi, US NG Chair.

Registration: IABSE MEMBERS: FREE - Includes PDH certificate.

Click Here to Register in advance.

Non-IABSE Members: FREE - No PDH certificate. Non-IABSE Members: $20 - Including PDH certificate.

On February 6, Türkiye and Syria were devastated by a series of intense earthquakes and strong aftershocks continued in the region for weeks. This strong ground shaking event, referred to as the Kahramanmaraş earthquake sequence, devastated the region. By official counts, nearly 50,000 people lost their lives and more than 35,000 buildings collapsed. The number of damaged buildings was significant. According to the Presidency Strategy and Budget Office report dated March 2023, over 500,000 structures had collapsed, or were slated to be demolished. Civil infrastructure in the region was also heavily affected in the days after the earthquake.

Dr. Brent Chancellor and Dr. Koray Tureyen traveled to the affected region in Türkiye as part of the Earthquake Engineering Research Institute’s (EERI’s) Learning from Earthquakes (LFE) Lifelines Reconnaissance Team, and the American Concrete Institute’s (ACI’s) Disaster Reconnaissance Team, respectively. The teams that Dr. Chancellor and Dr. Tureyen served on observed more than 300 buildings of 2 to 26 floors in height, more than 60 bridge sites, 2 airports, 3 power plants, 5 dams, 20 energy transmission sites, 20+ water/wastewater treatment and water distribution sites, 11 industrial facilities, 6 agricultural facilities and 1 tunnel.

This talk will focus primarily on buildings and bridges although a few other structure types may be discussed. Dr. Chancellor and Dr. Tureyen will provide their observations on typical construction and damage patterns and discuss the effect of site conditions and intensity of ground shaking on the observed damage patterns.

Dr. Brent Chancellor’s practice areas include investigating and fixing problems in existing structures, problem avoidance through peer reviews, and design consulting to develop high performance structural systems for unique conditions or to survive extreme events. Dr. Chancellor served with the Earthquake Engineering Research Institute’s (EERI’s) Lifelines Reconnaissance Team following the 2023 Kahramanmaraş Earthquake Sequence in southeastern Türkiye.

Dr. Koray Tureyen joined WJE in 2002 following his PhD studies at Purdue University. Dr. Tureyen served with the American Concrete Institute (ACI) reconnaissance team following the 2023 Kahramanmaraş Earthquake Sequence in southeastern Türkiye. Dr. Tureyen was also involved in earthquake reconnaissance and research following the 1999 Kocaeli and Duzce earthquakes in Türkiye.

IABSE-USA has met the standards and requirements of the Registered Continuing Education Program. Credit earned on completion of this program will be reported in Certificates of Completion will be issued to all participants via the online system. Complaints regarding registered providers may be sent to RCEP at 

Topic: Road towards Net Zero: Die Nachhaltigkeitsstrategie der ASFINAG BMG

Date and Time: 12 December, 2023, 17-19hrs CET

Speakers: Dr. Michael Kleiser and Dr. Medl

Organised by the Austrian Group of IABSE

An online (hybrid) talk and lecture by Dr. Kleiser and Dr. Medl, will be conducted in a live webinar (in German), organized by the Austrian Group of IABSE and the BOKU University for the students of the class "Ingenieurbau der Zukunft" on 12th of December 17:00 to 19:00. IABSE members can join with the following link.

Click Here to join the Meeting.

Meeting-ID: 662 0594 6959

Password: 623759

Read about the Webinar and the Lecture Talk (in German): Click Here.

Dipl.-Ing. Dr.techn. Michael Kleiser, Lektorat an der TU Wien, Institut für Tragkonstruktionen u.a. VO „Ingenieurformkunst“.

DI Dr. Alexandra Medl, ASFINAG Baumanagement GmbH, Fachbereich BMG Services, Expertin Nachhaltigkeit.


Topic: The Cebu-Cordova Cable-Stayed Bridge - An Example of Innovation and Resilience from Concept to Completion

Date and Time:  13 December 2023, 11-13 hrs CET. 

Register Now: Click Here (Organised by the Spanish Group of IABSE).

Moderator: M. Dolores G. Pulido, Chair, Spanish Group IABSE

Sponsors: Acciona (link to video)

Speakers: Daniel Muñoz, Acciona, JV Project Director; Julio Ruiz Cabrero, Acciona, Regional Operations Director; Javier Muñoz Rojas, CFC, Main Bridge Design Project Director; José Manuel Dominguez, CFC, Main Bridge Design Front Office Manager; Pedram Manouchehri, CFC Main Bridge, Special studies; Javier Fernández, Rubrica; Laura Granda, Acciona, Main Bridge Design and Temporary works  Manager.

Summary of the Webinar: The webinar will discuss the Cebu-Cordova cable-stayed bridge from conception to completion, focusing on its distinctive features and innovative solutions. Innovation and resilience are essential to the Cebu-Cordova cable-stayed bridge project, designed and approved in less than a year and built on schedule, despite the COVID-19 pandemic and Typhoon Odette.

The project will be jointly introduced by Acciona and Cowi. 

Acciona will present the key features of the project, including contractual and managerial particularities, and will highlight the challenges that had to be overcome in the Philippines context, where there was no extensive experience with projects of such complexity.

COWI, as the author of the reference design and technical advisor to the client throughout the process, will explain the crossing constraints, the original bridge concept that was prepared for the tender stage, including the aesthetic requirements, etc.

CFC will then explain the development of the initial idea into the construction project, with a focus on the modifications/adjustments proposed during the work development. Focus will be put on the more complex design challenges: seismicity, wind, ship impact, and the short construction period available.

Acciona will explain the main construction methods for each element, including the pace of work and the tools used to ensure that the project schedule was not jeopardized, even with the challenges of COVID-19 and Typhoon Odette. Rubrica will explain their unique form traveler, which is one of their areas of excellence. They will also explain how it was adapted for the Cebu bridge project's special accidental loads and deck characteristics.


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