Abstract
The characteristics of large logistics buildings are their long spans and the ability to take heavy loads. Usually, PC components are used for their frames to ensure quick construction. However, the erection of most pin jointed PC structures increases the time and the cost incurred for ensuring structural stability and construction safety. To solve this problem, “smart” frames have been developed, which have tapered steel joints at both ends of the PC components. A smart frame with the moment frame concept not only assures structural stability and construction safety, but it also simplifies and quickens the erection because of its tapered joint detail. The purpose of this study is to compare the erection time and cost effects of the steel connected PC components for heavily loaded long-span logistics buildings with the existing PC frames. For this study, we selected a logistics building constructed with PC components and redesigned it as the smart frame, and the erection simulations were performed. We analyzed the time reduction effects of the smart frame. Our results confirmed that the use of the smart frame reduced the erection time and cost practically. Our investigations will help develop the erection simulation algorithms for smart frames.
Highlights
A rapid increase in the online sales of large retailers has increased the demand for large logistics buildings worldwide
Most precast concrete (PC) frames having heavily loaded long-span logistics buildings are designed with pin joints, which are installed by using a simple mounting (Elliott & Jolly, 2013)
Smart frames that involve the moment frame action secure the structural stability and the construction safety during the erection process, but their tapered joint detail makes the erection easier and quicker than regular frame constructions (Son, Lim, & Kim, 2018; Kim et al, 2010)
Summary
A rapid increase in the online sales of large retailers has increased the demand for large logistics buildings worldwide. Structural stability and construction safety problems might occur during PC member erection (Fathi, Parvizi, Karimi, & Afreidoun, 2018). Solving this problem would increase the construction time and costs A large amount of equipment and human resources are necessary to safely connect the girder with the column, which makes time a critical factor This problem can be solved by using “smart” frames installed with tapered steel joints similar to a steel structure at both ends of the precast concrete components When smart frames with the above-mentioned advantages are adopted (instead of PC frames) for heavily loaded long-span logistics buildings, cost reduction and shortened construction time is expected to be realized
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