Related Articles

• The collapse of WTC 7: A re-examination of the “simple analysis” approach
  Robert Korol, Paul Heerema, Ken Sivakumaran
  Challenge Journal of Structural Mechanics (2016) 2(1) 25-31
  Although the events of that tragic day happened 14 years ago, there remain nagging questions of why the 47 storey WTC 7 steel framed structure collapsed, when it was NOT hit by an airplane.  We will review the official rationale of how the collapse events star...
• Performance-based fire protection of office buildings: A case study based on the collapse of WTC 7
  Robert Korol, Frank Greening, Paul Heerema
  Challenge Journal of Structural Mechanics (2015) 1(3) 96-105
  This article points out the benefits of employing a performance based analysis approach for ascertaining the likelihood that travelling fires in an office building could induce a localized failure that might trigger its collapse. The case study chosen is Build...
• Impact of composite columns on soft and weak storey irregularities in buildings without ground floor infill walls
  Yusuf Yıldız, Fethi Şermet
  Challenge Journal of Structural Mechanics (2025) 11(2) 70-81
  In buildings without infill walls on the ground floor, structural irregularities, such as soft and weak storey irregularities can significantly reduce their resilience to earthquakes. These irregularities arise from insufficient lateral stiffness and strength ...
• A different approach for green concrete production: Determination of the effect of e-waste and waste rubber powder on durability properties of concrete
  H. Alperen Bulut
  Challenge Journal of Concrete Research Letters (2024) 15(3) 69-81
  This study was carried out to present a different approach to green concrete production by utilizing electronic waste (e-waste) and waste rubber powders in order to provide a solution to both the cost and carbon footprint problems arising from the rapid consum...
• Determining datum temperature and apparent activation energy: an approach for mineral admixtures incorporated cementitious systems
  Muhammet Atasever, Mustafa Tokyay
  Challenge Journal of Concrete Research Letters (2024) 15(4) 142-149
  The maturity method is used to predict the strength of concrete by monitoring its temperature history. Accuracy of maturity method relies on the dependable determination of the datum temperature and the apparent activation energy. The current study introduces ...