book-2

TWO BUILDING STUDIES 937123456789FoyerLibraryRestaurantClassroomsTheatreSound studiosCorridor withroof diaphragmPrimary proppedcantilevertrussPortal frame1 2654 8490 5 10 m▲ 2.3Simplified ground floor plan.▲ 2.4Partial portal frames span between the piers and the primary trusses or core walls.rafters connect directly to the core, and others to the primary cantilevertrusses (Fig. 2.4). Slender longitudinal tubes interconnect thepartial portal frames at their knee-joints, and together with a mesh ofsmall-diameter tension rods, brace the framework members back tothe core.