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Building technology in construction intro

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College of North West London presentation; for the National Diploma in Construction

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Building technology in construction intro

  1. 1. BUILDING TECHNOLOGY IN CONSTRUCTION UNIT 6 John Fox, College of North WestFebruary, 2012 London 1
  2. 2. INTRODUCTION Building technology has evolved over the centuries between simple structures, through to hi-tech, state of the art buildings.February, 2012 John Fox, College of North West London 2
  3. 3. TRADITIONAL TYPE OF MATERIALS BRICKS & MORTAR TIMBER CONCRETEFebruary, 2012 John Fox, College of North West London 3
  4. 4. MODERN MATERIALS USED GLASS PLASTICS PREFABRICATED COMPONENTSFebruary, 2012 John Fox, College of North West London 4
  5. 5. BUILDING USES HOUSES & FLATS TRADITIONALLY 1 OR 2 STOREY HIGH BUILT FROM BRICK, STONE OR TIMBER ALL HOMES BUILT TO BUILDING REGULATIONS MONITORED BY BUILDING CONTROLFebruary, 2012 John Fox, College of North West London 5
  6. 6. CRITERIA FOR HOUSE BUILDING STRUCTUALLY SOUND RESISTANT TO MOISTURE THERMAL PERFORMANCE LOAD BEARING SOUND INSULATION ASTHETICALLY PLEASINGFebruary, 2012 John Fox, College of North West London 6
  7. 7. WAREHOUSES & INDUSTRIAL UNITS COMMERCIAL BUILDINGS OPEN SPAN BUILDINGS BUILT IN STEEL FRAMES CLAD WITH ALLUMINIUM ENCLOSED BOTH ECONOMICALLY AND SAFELYFebruary, 2012 John Fox, College of North West London 7
  8. 8. RETAIL UNITS SHOPS & COMMERCIAL BUILDINGS LARGE OPEN SPAN PORTAL FRAME CAN BE ADAPTED FROM LARGER HOUSESFebruary, 2012 John Fox, College of North West London 8
  9. 9. OFFICES CAN BE LOW OR MULTI STOREY BUILDINGS OPEN PLAN SUB-DIVIDED INTO SMALLER WORKING AREAS MUST INCORPORATE FIRE REGS. EG. FIRE EXITS, ALARMS, SPRINKLERS ETC.February, 2012 John Fox, College of North West London 9
  10. 10. FORMS OF CONSTRUCTION TIMBER FRAME WHAT ARE THE ADVANTAGES OF PREFAB CONSTRUCTION?February, 2012 John Fox, College of North West London 10
  11. 11. TIMBER FRAME BUILDINGS BEEN BUILT IN THE UK SINCE THE 1960’SFebruary, 2012 John Fox, College of North West London 11
  12. 12. TIMBERFRAME COMPONENTS EXPLAIN THE PURPOSE OF EACH OF THE FOLLOWING COMPONENTS;3. VAPOUR BARRIER4. INSULATION QUILT5. S/S WALL TIE6. INSULATION MEMBRANE7. SHEATHING BOARDFebruary, 2012 John Fox, College of North West London 12
  13. 13. TIMBER FRAME BUILDINGS CROSS SECTIONFebruary, 2012 John Fox, College of North West London 13
  14. 14. TIMBER FRAME CONSTRUCTION TIMBER PANELS ( 100X50MM ) ARE NAILED WITH PLYWOOD SHEETS TO GIVE ADDED STRENGTH THESE PANELS ARE LOAD BEARING AS THEY SUPPORT THE STRUCTURE OF THE ROOF TIMBER STRUCTURE IS ENCLOSED WITH EITHER BRICKWORK OR STONE. THIS IS ALSO KNOWN AS CLADDINGFebruary, 2012 John Fox, College of North West London 14
  15. 15. STEEL FRAME CONSTRUCTION LIGHT STEEL FRAME BUILDINGS (SKELETAL) WERE DEVELOPED IN THE 1880’S FOR AMERICAN SKYSCRAPERS USED FOR HOUSE CONSTRUCTION IN THE EARLY 1920’S STEEL BECAME RELATIVELY EXPENSIVE & NOT A VIABLE ALTERNATIVE FOR HOUSINGFebruary, 2012 John Fox, College of North West London 15
  16. 16. STEEL FRAME ADVANTAGES FACTORY MADE RELATIVELY EASY & QUICK TO ASSEMBLE UNAFFECTED BY MOISTURE POTENTIAL LONG ROOF SPANS COMPOSITE DESIGNFebruary, 2012 John Fox, College of North West London 16
  17. 17. DISADVANTAGES DEFORMS AT HIGH TEMPERATURE NEEDS TO BE FIRE COATED ELECTRICTY CONDUCTOR- MUST BE EARTHEDFebruary, 2012 John Fox, College of North West London 17
  18. 18. CONCRETE FRAME BUILDINGS THIS SYSTEM WAS FIRST DEVELOPED IN THE LATE 19TH CENTURY BY WILLIAM E. WARD THE FIRST CONCRETE FRAME SKYSCRAPER WAS THE INGALLS BUILDING, BUILT IN CINNCINATTI IN1904- 210FT HIGHFebruary, 2012 John Fox, College of North West London 18
  19. 19. CONCRETE FRAME FORMS OF CONSTRUCTION IN SITU- STEEL OR WOODEN FORMWORK IS REQUIRED TO CREATE THE COLUMNS AND BEAMS. CONCRETE IS THEN POURED AND THE SHUTTERING IS REMOVED ONCE THE CONCRETE HAS GAINED ENOUGH STRENGTH. PRE-CAST- PANELS ARE DROPPED IN BY CRANE AND BOLTED TOGETHER TO FORM A RIGID STRUCTUREFebruary, 2012 John Fox, College of North West London 19
  20. 20. ADVANTAGES & DISADVANTAGES OF CONCRETE FRAME CONSTRUCTION ADVANTAGES- IN-BUILT FIRE PROTECTION MOULDED INTO ANY SHAPE HIGH STRENGTH IN COMPRESSION DO NOT REQUIRE A SECONDARY FINISH DISADVANTAGES-CRAINAGE REQUIRED REQUIRES INITIAL SUPPORT SKILLED WORKFORCE REQUIRED TO ASSEMBLEFebruary, 2012 John Fox, College of North West London 20

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