The content includes: structure of side joint of one-way laminated slab (detail), detail of joint of laminated slab at precast column where bottom reinforcement does not extend into column support, detail of keyway and exhaust pipe at precast column bottom, detail of embedded part pit, detail of spreader, detail of truss reinforcement, detail of joint of laminated slab and intermediate beam support, detail of joint of laminated slab and edge beam support, stirrup densification area of precast column Lightning protection method