A Demountable Connection for Low-Rise Precast Concrete Structures with DfD for Construction Sustainability-A Preliminary Test under Cyclic Loads

Gaochuang Cai, Feng Xiong, Yong Xu, Amir Si Larbi, Yang Lu and Mikio Yoshizawa
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Gaochuang Cai: Department of Architecture, Faculty of Engineering, Fukuoka University, Fukuoka 814-0180, Japan
Feng Xiong: Key Laboratory of Deep Underground Science and Engineering (Ministry of Education), College of Architecture and Environment, Sichuan University, Chengdu 610065, China
Yong Xu: School of Civil Engineering, Architecture & Environment, Xihua University, Chengdu 610039, China
Amir Si Larbi: Univ Lyon, Ecole Nationale d’Ingénieurs de Saint-Etienne (ENISE), Laboratoire de Tribologie et de Dynamique des Systèmes (LTDS), UMR 5513, 58 Rue Jean Parot, 42023 Saint-Etienne Cedex 2, France
Yang Lu: Key Laboratory of Deep Underground Science and Engineering (Ministry of Education), College of Architecture and Environment, Sichuan University, Chengdu 610065, China
Mikio Yoshizawa: Department of Architecture, Faculty of Engineering, Fukuoka University, Fukuoka 814-0180, Japan

Sustainability, 2019, vol. 11, issue 13, 1-16

Abstract: As a demountable structure, the structure with design for deconstruction (DfD) is considered as a key contribution on the promotion of current construction sustainability by directly reusing valuable components from old structures. As a preliminary study, this paper investigated the cyclic behavior of bolted joints consisting of three reinforced concrete blocks bolted by steel bolts under axial compressive, focusing on the damage and failure modes, resistance mechanism and stiffness development of the joints. Results showed that the number of steel bolts, the tightening process of the bolts and concrete compressive strength all had a significant effect on the overall performance and capacity of the joints. The failure mode of most of tested joints was considered as fracture of stirrups and steel bolts in the tested joints. According to the investigation of this study, several recommendations on the design of the joints were provided.

Keywords: design for deconstruction (DfD); construction sustainability; bolted joints; component reusing; demountable components; cyclic behavior; seismic design (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2019
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