About

CTBUH Roles

Awards Symposium, Speaker (2015)

CTBUH Initiatives

Videos

12 November 2015

Chicago, IL. Kenneth A. Lewis, Managing Partner, Skidmore, Owings & Merrill, & Yoram Eilon, Senior Vice President, WSP | Parsons Brinckerhoff, are interviewed by Chris...

Research

26 October 2015

Ahmad Rahimian & Yoram Eilon, WSP Group

One World Trade Center (1WTC) totaling 3.5 mil square feet of area is the tallest of the four buildings planned as part of the World...

Research

03 March 2008

Ahmad Rahimian & Yoram Eilon, WSP Cantor Seinuk

This paper describes the challenges met in preserving the façade and how the choice of a diagrid system - a highly efficient triangulated truss tube...