Abstract
This study investigated the failure of the roof, with steel truss construction, of a factory building in Tekirdag in the northwestern part of Turkey. The failure occurred under hefty weather conditions including lightning strikes, heavy rain, and fierce winds. In order to interpret the reason for the failure, the effects of different combinations of factors on the design and dimensioning of the roof were studied. Finite element analysis, using the commercial software Abaqus (Dassault Systèmes, Vélizy-Villacoublay, France), was performed several times under different assumptions and considering different factors with the aim of determining the dominant factors that were responsible for the failure. Each loading condition gives out a characteristic form of failure. The scenario with the most similar form of failure to the real collapse is considered as the most likely scenario of failure. In addition, the factors included in this scenario are expected to be the responsible factors for the partial collapse of the steel truss structure.
Highlights
Engineers aim to make human life easier and to enhance life quality
The factors included in this scenario are expected to be the responsible factors for the partial collapse of the steel truss structure
This study aimed to study a case in which a sudden partial failure of a steel truss roof of a factory built in July 2011 happened during heavy weather conditions on 22 October 2012 in Cerkezkoy Tekirdag in the northwestern part of Turkey [8]
Summary
Engineers aim to make human life easier and to enhance life quality. Using mathematical calculations and experimentation, engineers try to predict the behaviour of a system and design it [1]. There have been cases that ended in structural failures, and some of these failures caused financial loss or even cost lives. Hadipriono studied nearly 150 major failures of structures around the world and determined that the major failures were due to lateral impact forces [2]. Klasson published a survey covering failures of slender roofs [3]. Even the simplest structures, which have the most predictable behaviours, fail under unexpected conditions that exceed the designated safety margins [4,5]
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