Abstract
Beam–column assembled joint connections are crucial for realizing the industrialization of buildings through prefabrication. This paper focuses on the mechanical properties of a new dry-type high-strength bolt connection joint used in prefabricated buildings. The structural performance properties examined include bearing capacity, stiffness, failure mode, energy dissipation capacity, and deformation performance, all of which are tested through a pseudo static test involving low-cycle repeated loading. The test results show that the failure of the new dry-type beam–column connection joint is through plastic failure, with full hysteretic curve and good energy dissipation performance. The results provide a foundation for the analysis of assembled structural framework systems based on different forms of dry-type connection joints.
Highlights
Construction is an important industry for many countries economy as it contributes mostly to their GDP
Prefabrication is an “umbrella” term and it covers a range of different systems and processes
Based on a review of the literature related to prefabricated beam–column joints, this paper aims to: (1) propose a feasible prefabricated concrete frame structure system with energy-dissipating members, (2) design a new dry-type high-strength bolted joint, and (3) study the joint’s failure mode and mechanical performance by means of a pseudo-static experiment
Summary
Construction is an important industry for many countries economy as it contributes mostly to their GDP. This is due to its socio-economic and environmental benefits, including a large saving of construction time, better quality control and engineering performance, less construction and demolition waste, and less pollution [4,5,6]. Based on a review of the literature related to prefabricated beam–column joints, this paper aims to: (1) propose a feasible prefabricated concrete frame structure system with energy-dissipating members, (2) design a new dry-type high-strength bolted joint, and (3) study the joint’s failure mode and mechanical performance by means of a pseudo-static experiment. The research results provide experimental basis for the further prefabrication applications in particular and contribute to construction’s sustainability in general
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