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Structural glazing final
- 1. STRUCTURAL GLAZING AND CURTAIN WALL PRESENTATION BY – PRADNYA RANJIT INAMDAR. T.Y.B.ARCH DIV-B ROLL NO.-3
- 2. STRUCTURAL GLAZING- • NEW TECHNOLOGY AND BETTER INTEGRATION WITH DAY LIGHTING AND CLIMATE CONTROL SYSTEMS ALLOW ADVANCED GLAZING IN BUILDING FACADES TO- 1. IMPROVE THE COMFORT AND PERFORMANCE OF BUIDING OCCUPANTS 2. ASSIST IN NATIONAL AND GLOBAL EFFORTS TO REDUCE GREENHOUSE GAS EMISSIONS THAT CONTRIBUTE TO GLOBAL WARMING
- 3. HISTORY OF STRUCTURAL GLAZING-: • GLAZES WERE USED IN DECORATION OF CERAMICS IN EARLY EGYPTIAN PERIOD. • MINERALS(SAND) AND WATER SOLUBLE SALTS (SODA) WHICH ALTERED THE COLOUR AND TEXTURE OF FINAL PRODUCT. • POWDERED GLASS WAS USED AT THE BASE OF HISTORIC GLAZES.
- 4. WHY GLAZING INSTEAD OF WALLS AND WINDOWS- • A GREATER TRANSPARENCY • LESS VISUAL INTERRUPTIONS • TRADITIONAL CURTAIN WALL SYSTEMS CONDUCT LARGE AMOUNT OF HEAT IN OR OUT OF THE FACADE • SINCE THERE IS LITTLE TO NO EXPOSED EXTERIOR METAL,THERE IS ALSO LESS THERMAL BRIDGING WITH STRUCTURAL GLAZING,SAVING ON ENERGY CONSUMPTION COSTS. • ASSISTIN NATIONAL AND GLOBAL EFFORTS TO REDUCE GREENHOUSE GAS
- 5. STRUCTURAL GLAZING- • STRUCTURAL GLAZING CURTAIN WALL SYSTEMS ARE ENVELOPE SYSTEMS THAT PROVIDE MAXIMUM TRANSPARENCY. • USED AT - COVERINGS OF LARGE INTERNAL SPACES SUCH AS MALL ENTRANCES, ATRIUMS AND CONTINUOUS EXTERNAL SKINS THAT ARE LARGELY SEPARATED FROM BUILDING FLOOR SLAB AND MAIN STRUCTURE. • FEATURES ACHIEVED – MAX.EXTERNAL GLAZING MAX. INTERNAL TRANSPERENCY
- 6. TYPICAL STRUCTURAL GLAZING DETAILS-
- 7. TYPES OF STRUCTURAL GLAZING- 1.BOLTED GLAZING 2.FIN SUPPORTED GLAZING 3.CABLE SUPPORT GLAZING 4.DOUBLE SIDED GLAZED 5.FOUR SIDED GLAZED
- 8. BOLTED GLAZING- FOR EXTERIOR – IT CAN BE DONE WITH SPIDER GLAZING CONCEPT ONLY OPTION FOR LARGER OPENING IN ELEVATION CAN BE CUSTOMIZED PROVIDES SAFTEY 12 MM, 15MM, 19MM TOUGHNED GLASS 4 WAY SPIDERS,2 WAY SPIDERS AND SINGLE WAY SPIDER FITTINGS ARE AS OPTIONS
- 9. FIN SUPPORTED GLAZING- • GLASS FINS REPRESENTTHE EARLIEST FORM OF STRUCTURAL GLASS • GLASS FIN REPLACES A FRAME OR MULLION • FIN SYSTEMS ARE ALSO DESIGNED WITH BOLTED JOINTS . IT CREATES GREATER VISIBILITY AND INCREASE THE NATURAL LIGHT IN INTERIORS • REACTION LOAD TRANSFERRED TO THE TOP AND BOTTOM OF THE FIN SHOE
- 10. CABLE SUPPORT GLAZING- HIGH TENSILE CABLES OR STAINLESS STEEL RODS – TO IMPOSE THE LOADS OF THE FAÇADE TWO MAIN TYPES -1. TENSION ROD FACDE 2. CABLE NET WALLS SYSTEM SUPPORTS GLASS BY A NET GEOMETRY OF PRE TENSIONED CABLES
- 11. Two sided structural glazing- 1. TWO OPPOSITE GLASS EDGES ARE BONDED TO THE LOAD BEARING FRAMEWORK. 2. THE TWO OTHER EDES ARE FIXED MECHANICALLY BY SECURING PROFILES 3. BONDING - VERTICALLY & HORIZATALLY 4. LOAD TRANSFERRED- DYNAMIC LOADS ABSORED FROM STRUCTURAL GLAZING SILICONE DEAD LOAD IS TRANFERRED TO SECURING PROFILE 5. BETTER AESTHETIC PURPOSE
- 12. FOUR SIDED STRUCTURAL GLAZING 1. ALL FOUR SIDES OF THE UNIT ARE HELD IN THE BUILDING VIA THE SEALANTS 2.USUALLY PREFABRICATED AND THEN INSTALLED AT SITE. 3. NO MOUNTING WILL BE VISIBLE FROM OUTSIDE. 4. MOST WIDESPREAD AND ECONOMIC SYSTEM.
- 13. MATERIALS TO BE USED- • GLASS – 100% RECYCLABLE MATERIAL • ALUMINIUM – LESS WEIGHT , BUT HIGH STRENGTH • SILICONE SEALANTS – SAND GEL USED FOR BONDING GLASS • EPDM – Ethylene Propylene Di Amine Monomer TO PREVENT WATER AND AIR ENTERING . • STAINLESS STEEL- AS FRAMING MATERIAL
- 14. GLAZING SYSTEMS- COMMONLY USED INNOVATIVE GLAZING SYSTEMS ARE- • CURTAIN WALLING • STRUCTURAL GLAZING • BOLTED GLAZING • FIN SUPPORTED GLAZING • CABLE STAYED GLAING • SUSPENDED GLAZING
- 15. DIFFERENCE BETWEEN STRUCTURAL GLAZING & CURTAIN WALLS STRUCTURAL GLAZING 1. SYSTEM OF BONDING GLASS TO A BUILDING’S STRUCTURAL FRAMING MEMBERS UTILIZING A HIGH STRENGHT, HIGH PERFORMANCE SILICONE SEALANTS SPECIFICALLY DESIGNED AND TESTED FOR STRUCTURAL GLAZING IN STRUCTURAL GLAZING APPLICATIONS,DYNAMIC WIND LOADS ARE TRANSFERRED FROM THE GLASS BY THE STRUCTURE. 2.USED IN LONGER SPANNING APPLICATIONS 3. STRUCTURAL CURTAIN WALL 1. IT IS AN OUTER COVERING OF A BUIDING IN WHICH THE OUTER WALLS ARE NON STRUCTURAL.UTILIZED TO KEEP THE WEATHER OUT AND THE OCCUPANTS .SINCE THE CURTAIN WALL IS NON STRUCTURAL.IT CAN BE MADE OF LIGHTWEIGHT MATERIALS THEREFORE REDUCING CONSTRUCTION COSTS. 2. TYPICALLY SPAN ONLY FROM FLOOR TO FLOOR 3.NON-STRUCTURAL
- 16. CURTAIN WALL- • EXTERIOR WALL ON BUILDING, WHICH NON STRUCTURAL BUILDING ENVELOPE ELEMENT • DOESN’T CARRY ANY DEAD LOAD WEIGHT FROM BUILDING OTHER THAN IT’S OWN DEAD LOAD WEIGHT • TRANSFERS DEAD LOAD TO MAIN BUILDING THROUGH CONNECTION AT FLOORS/COLUMN • GREAT ADVANTAGE- NATURAL LIGHT CAN PENETRATE DEEPER WITHIN THE BUIDING
- 17. COMPONENTS OF CURTAIN WALL- • MULLIONS –VERTICAL MEMBERS TRANSFERS DEAD LOAD OF CURTAIN WALL THROUGH CONNECTIONS • TRANSOMS – HORIZONTAL MEMBER SECTIONS PROVIDED IN BETWEEN MULLIONS HORIZONTALLY • SILICON SEALANTS - TO PREVENT MOISTURE
- 18. TYPES OF CURTAIN WALLS - 1.STICK SYSTEM WALL ADVANTAGES: -WATERPROOFING -EASY FOR TRANSFORMATION DISADVANTAGES: -POOR ACOUSTIC AND THERMAL INSULATION -DIFFICULTY IN QUALITY CONTROL -TOO MANY LOOSE PARTS AND COMPONENTS ON SITE
- 19. 2. SEMI UNITIZED SYSTEM
- 20. 3.UNITIZED SYSTEM ADVANTAGES: -WATERPROOFING -EASY INSTALLATION -SHORTER CONSTRUCTION DURATION -TIME SAVING INSTALLATION DISADVANTAGES: -HIGH SKILLED WORKERS NEEDED -PRICE IS HIGHER -TRANSPORTATION IS COMPLICATED
- 21. ADVANTAGES OF CURTAIN WALLS: • INCREASES THERMAL EFFICIENCY OF BUILDING • REDUCES OR ELIMINATES WATER AND AIR FILTERATION • ALLOWS FOR BROADER ARCHITECTURAL DESIGN FLEXIBILITY • LIGHTING AND NATURAL VENTILATION • SMALLER WALL FOOTPRINT-RESULTS INEXTRA AVAILABILITY OF FLOOR AREA • PARALLEL SCHEDULING-RESULTING IN FASTER INSTALLATION • IMPROVED NATURAL LIGHT ACCESS-RESULTS IN FLEXIBLE ARCHITECTURAL DESIGN