Abstract
Precast concrete offers many advantages, including a reduction of the construction period, cost efficiency, high-quality control, fast and accurate erection of members, and environmental protection. Despite the aforementioned advantages of the precast concrete members, the conventional precast members may show drawbacks in the following aspects: (i) the use of the concrete pour forms at the joints delaying the erection of each subsequent frame and (ii) the lack of the structural continuity and redundancy in the load paths when beams simply sit on corbels without providing moment resisting capacity. Precast steel-concrete hybrid frames are preferable over the conventional precast concrete practices since they are less heavy, achieving cost-efficient structural systems with fast erections. The conventional steel connections can be used for the precast column-to-beam joints, offering rapid and facile erection similar to that of steel frames with few crews on site.
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