Charles Besjak

SOM, Director, Structural Engineering | New York City, United States

About

As the director in charge of Structural Engineering for SOM New York, Charles Besjak works closely with structural engineering and architectural design teams to develop a diverse array of projects. A licensed structural and professional engineer as well as a licensed architect, Mr. Besjak brings over 20 years of experience in the design and construction industry to SOM. His projects include some of SOM’s tallest buildings, 450-meter tall Zifeng Tower in Nanjing, China; 309-meter tall Pearl River Tower in Guangzhou, China and the 510-meter tall Busan Tower in Busan, South Korea.

Charles Besjak

CTBUH Roles

Annual Conference, Presenter (China 2016)

Videos

12 October 2011

Seoul Conference 2011 Track Session 26: Q&A

Question & Answers session for Track Session 26.

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Research

01 March 2017

Effects of Perimeter to Core Connectivity on Tall Building Behavior

Charles Besjak, Preetam Biswas, Georgi I. Petrov, et al., Skidmore, Owings & Merrill LLP

The Pertamina Energy Tower (PET) and Manhattan West North Tower (MWNT) are two supertall towers recently designed and engineered by Skidmore, Owings & Merrill (SOM)....

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Research

01 December 2016

The Rational Optimization and Evolution of the Structural Diagonal Aesthetic in Supertall Towers

Charles Besjak, Preetam Biswas & Tobias Fast, SOM

In the design of supertall towers, engineers often find the conventional frame systems used in countless buildings in the past decades incapable of providing the...

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Videos

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12 October 2011

Seoul Conference 2011 Track Session 26: Q&A

Question & Answers session for Track Session 26.

10 October 2011

Busan Lotte Tower: Integrating Programmatic and Structural Strategies

Standing at over 510 meters with 107 floors, the Busan Lotte Town Tower will play a pivotal role in representing the city of Busan as...

Research

01 March 2017

Effects of Perimeter to Core Connectivity on Tall Building Behavior

Charles Besjak, Preetam Biswas, Georgi I. Petrov, et al., Skidmore, Owings & Merrill LLP

The Pertamina Energy Tower (PET) and Manhattan West North Tower (MWNT) are two supertall towers recently designed and engineered by Skidmore, Owings & Merrill (SOM)....

01 December 2016

The Rational Optimization and Evolution of the Structural Diagonal Aesthetic in Supertall Towers

Charles Besjak, Preetam Biswas & Tobias Fast, SOM

In the design of supertall towers, engineers often find the conventional frame systems used in countless buildings in the past decades incapable of providing the...

17 October 2016

Shenzhen Shum-Yip Tower One: A Case Study – A-E Integration – A Broad New Vision

Charles Besjak, Gary Haney, Preetam Biswas & Chung Yeon Won, Skidmore, Owings & Merrill LLP

Conventional legacy systems in the design of supertall towers employ belt trusses, outriggers, and perimeter-bracing to achieve the required tower performance at the expense of...

26 October 2015

Mediating Scale, Performance and Iconicity: A 21st Century Supertall Tower for Guiyang

Yuping Luo, Zhongtian Urban Development Group Co., Ltd; Charles Besjak, Daniel Cashen & Colin Koop, Skidmore, Owings & Merrill

A series of challenging site constraints prompted an innovative structural solution for the Guizhou Culture Plaza Tower (GCP), through which a new performance-based expression was...

01 January 2010

Proposed Methodology To Determine Seismic Performance Factors For Steel Diagrid Framed Systems

William Baker, Charles Besjak, Mark Sarkisian et al., SOM

This paper presents a proposed methodology for the reliable determination of seismic performance factors for steel diagrid framed seismic force-resisting systems.

01 May 2009

Performance-Based Evaluation for the 450m Nanjing Greenland Financial Center Main Tower

Charles M. Besjak, Brian J. McElhatten & Preetam Biswas, SOM

In order to obtain seismic review approval for the Nanjing State-Owned Assets & Greenland Financial Center's Main Tower, one of the tallest structures in the...