curtain wall any environmental separation hung from

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Unformatted text preview: TRUCTION • MUST ACCOMMODATE STATIC AND/OR DYNAMIC LOADS • STEEL ANGLES, TEES + PLATES ARE CAST INTO CONCRETE FRAMES AND ATTACHED TO STEEL FRAMES Monday, March 18, 13 CURTAIN WALLS (CONTINUED...) • CURTAIN WALL: ANY ENVIRONMENTAL SEPARATION HUNG FROM A BUILDING STRUCTURE • DEPEND ON THE BUILDING FRAME FOR SUPPORT SO IT WILL HAVE A SUBFRAME OF ALUMINUM OR LIGHTWEIGHT STEEL • MUST BE ABLE TO RESIST LATERAL LOADS (LIKE WIND) SO IT MUST WITHSTAND TENSION, COMPRESSION + BENDING • CLADDING = MODULAR; SUBFRAMES = LINEAR • MULLIONS = VERTICAL; TRANSOMS = HORIZONTAL • REQUIRES TRANSITIONAL MATERIAL TO ALLOW FOR MOVEMENT, INSTALLATION TOLERANCE, AIR + WATER EXCLUSION, THIS IS USUALLY NEOPRENE • ALMOST ALWAYS HAVE A THERMAL BREAK WITHIN THE ALUMINUM SECTION TO PROVIDE FOR BETTER PERFORMANCE • PRESSURE PLATE: A METAL PLATE ATTACHED TO MAIN BODY OF MULLION THAT COMPRESSES GASKET AGAINST GLASS PANEL Monday, March 18, 13 CURTAIN WALLS: BRICK CONCRETE FRAME/ROOF STEEL FRAME; DECK + 8” CMU BACKUP WALL Monday, March 18, 13 CONCRETE FRAME/ROOF 4” CMU BACKUP WALL LIGHT GAUGE STEEL WALL CURTAIN WALLS: STONE FRAME: STEEL BEAMS/ STEEL BEAMS FRAME: REINFORCED CONCRETE FLOOR: COMPOSITE DECK Monday, March 18, 13 FRAME: STEEL BEAMS/ OW JOISTS FLOOR: COMPOSITE DECK FLOOR: CONCRETE + INTEGRAL FRAME CURTAIN WALLS: CONCRETE Monday, March 18, 13 CURTAIN WALLS: METAL Monday, March 18, 13 CURTAIN WALLS: GLASS SNAP-ON MULLIONS SPIDER GLAZING • IN 1914, WE BEGAN “DRAWING” GLASS FROM VATS WHICH MADE FOR A CLEANER, CHEAPER PROCESS • HEAVY + FRAGILE, MUST BE SUPPORTED BY ROBUST YET FLEXIBLE SYSTEM • 4 MAIN COMPONENTS: GLASS, METAL MULLION + TRANSOM SYSTEM, SEALANT/GASKET, SET OF FLUSH GLAZING STRUCTURAL GASKET CONNECTIONS TO TRANSFER THE WEIGHT • USUALLY TEMPERED: POST-TENSIONS GLASS, MAY BE TINTED WITH FRIT (A CERAMIC COATING) • STRUCTURAL GLAZING: ELIMINATES MULLIONS Monday, March 18, 13 ROOF DRAINAGE: 1. ROOFS MAY BE WARM OR COLD: BASED ON LOCATION, INSULATION, VAPOR RETARDER 2. ROOFS ARE ALWAYS SLOPED: HIGH, MEDIUM OR LOW • SLOPED ROOFS USUALLY CONCENTRATE WATER AT EDGES SO WE MUST REDIRECT IT SOMEPLACE • DRAINAGE TILES: CONNECT TO A STORM SEWER • DRAIN SPOUTS: DIRECT WATER TO STORM SEWER • FLAT ROOFS: SLOPE WATER TO ROOF DRAINS INSIDE THE BUILDING ENVELOPE Monday, March 18, 13 SLOPED ROOF FUNDAMENTALS CLADDING SINGLE PITCH, DOUBLE PITCH, GABLED, HIPPED • EFFECTIVE AT SHEDDING RAIN + SNOW TO PERIMETER • THE STEEPER THE PITCH, THE GREATER THE TENDENCY TOWARD LATERAL FORCES • STEEPER PITCHES (N); LOWER PITCHES (S) • ROOF PITCHES DETERMINE THE CLADDING MATERIALS • VENTS: STACK EFFECT, SOFFIT VENTS, RIDGE VENTS VR + INTERIOR FINISH SHEATHING AIR SPACE INSULATION 1. PANELS SHEATH THE FRAME PROVIDED BY STRUCTURE 2. INSULATION + VAPOR BARRIER PROVIDE T + M PROTECT. 3. WEATHER BARRIER PROVIDE CONTINUOUS MEMBRANE 4. ROOFING OF DURABLE MATERIALS PROTECT INNER SHORT-SPAN STRUCTURE • FRAMED WITH WOOD RAFTERS (1’, 1.5’, 2’) • INTER-JOIST SPACE FILLED WITH INSULATION • MUST BE COUNTERED WITH: COLLARS, CEILING JOISTS Monday, March 18, 13 LONG-SPAN STRUCTURE • FRAMED WITH BEAMS, TRUSSES, BENTS (+ PURLINS) • MATERIALS WITH BOTH T + C STRENGTH • WHEN CONTINUATION IS BROKEN, WE MUST WATERPROOF SLOPED ROOF MATERIALS SHINGLES FLAMMABLE UNLESS PROTECTED • CEDAR • REDWOOD • CYPRESS Monday, March 18, 13 TILES •SLATE • TERRA COTTA METAL • STANDING • BATTEN • FLAT • CORRUGATED METAL FLAT ROOF FUNDAMENTALS...
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This document was uploaded on 03/15/2014 for the course ARCH 242 at California State Polytechnic University.

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