FS102 – Building Construction for fire protection Unit 6 – Wood Frame Construction FS102 – Building Construction for fire protection FS102: Unit 6 - Wood Frame Construction

FS102: Unit 6 - Wood Frame Construction Unit 6 Seminar Topics Wood Frame (Type V) Construction Truss Construction Heavy Timber (Type IV) Construction FS102: Unit 6 - Wood Frame Construction

Wood Frame (Type V) Construction Definitions Building terms are local in origin; different trades use different terms Wood-Framed Wall-Bearing Curtain Walls Wooden-Walled Building FS102: Unit 6 - Wood Frame Construction

Wood Frame (Type V) Construction Types of Wood-Frame Buildings Log cabin Post and frame Balloon frame Platform frame Plank and beam Truss frame FS102: Unit 6 - Wood Frame Construction

FS102: Unit 6 - Wood Frame Construction Truss Construction Lightweight Trusses and Other Wooden Members Fire service has gained more truss knowledge Contributes to light-weight structures Allows offsite prefabrication Satisfies many building requirements Lighter in weight that solid construction Provides long clear spans Can be delivered prefabricated FS102: Unit 6 - Wood Frame Construction

FS102: Unit 6 - Wood Frame Construction Truss Construction What is a Truss? A framed structure consisting of a triangle or group of triangles arranged in a single plane Loads applied at intersections of the members will cause direct stresses in the members Loads applied between these points cause flexural stresses FS102: Unit 6 - Wood Frame Construction

FS102: Unit 6 - Wood Frame Construction Truss Construction Truss Types Parallel-Chord Trusses Triangular Trusses Compression vs. Tension Normal Truss Cantilever Truss FS102: Unit 6 - Wood Frame Construction

Heavy Timber (Type IV) Construction History Heavy timber construction descendent of true mill construction Developed in New England Building design that eliminated serious faults of mill construction FS102: Unit 6 - Wood Frame Construction

Heavy Timber (Type IV) Construction Heavy Timber Building Requires careful maintenance Deficiencies should be clearly noted Realistic prefire scenarios are required FS102: Unit 6 - Wood Frame Construction

Heavy Timber (Type IV) Construction Modern Heavy Timber Buildings Not being built in record numbers A niche for certain types of occupancies Most common use is the modern heavy timber church FS102: Unit 6 - Wood Frame Construction

FS102: Unit 6 - Wood Frame Construction Summary Wood Frame (Type V) Construction Truss Construction Heavy Timber (Type IV) Construction FS102: Unit 6 - Wood Frame Construction