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TATVA INSTITUTE OF TECHNOLOGICAL STUDIES MODASA(090)
BUILDING DESIGN AND THEIR COMPONENT SUBJECT: Building construction ( )
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AIM To provide students with a basic understanding of building design and the principal components.
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At the end of the session students will be able to:
LEARNING OUTCOMES At the end of the session students will be able to: State the commonly used construction materials and types. Identify types of doors and windows commonly used. List the principal components of a staircase. List the types of roof commonly found.
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COMMON BUILDING MATERIALS
Brick Block Stone Concrete Timber Metal
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BUILDING BOARDS Fibre Plaster Asbestos Plywood Block Plastic
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TYPES OF BUILDINGS Solid or ‘traditional’ construction
Structural steel frame construction Reinforced concrete construction Modular system construction Portal frame construction Composite construction.
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SOLID CONSTRUCTION Solid load bearing walls Set back at upper floors
Commonly made of brick, concrete blocks or stone Cast iron columns Cast iron or timber beams Warehouses, mills, factories and offices.
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BUILDINGS AND STRUCTURES
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STRUCTURAL STEEL High number of design options
Skeletal framework often complex Loads carried by beams Structure is covered by cladding Large use of glass, polycarbonate and plastic Large shopping centres, sports centres and multi-storey offices.
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STRUCTURAL STEEL Floor spans between main beams
Stanchions Main beams Roof spans between main beams Tie Beam Floor spans between main beams Secondary beam
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REINFORCED CONCRETE Alternative to steel frame
Columns support beams on which are laid slab flooring sections Columns, beams and slabs integrally cast to form a monolithic structure Two common methods of construction.
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REINFORCED CONCRETE(1)
Pre cast reinforced concrete frame Factory produced frame components Transported for assembly on site Similar techniques to steel frame.
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REINFORCED CONCRETE(2)
Composite construction Utilises the advantages of modern lightweight structural steelwork ‘Marriage’ between steelwork & pre cast concrete columns.
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COMPOSITE CONSTRUCTION
Gable columns Concrete Spine beam Steel Spine beam.
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MODULAR STRUCTURES Pre fabricated components High design flexibility
Specially designed connectors Encased in concrete to provide a degree of fire and corrosion protection.
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MODULAR BUILDING
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TYPICAL MODULAR CONNECTOR
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HOLLOW BLOCK AND PLANK FLOORING
Concrete ribs R.C. edge beam Concrete topping Hollow clay floor blocks Filler tiles Rib reinforcement Reinforcement Voids Ceiling finish
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HOLLOW BLOCK AND PLANK Floor finish Cement/sand screed Void
Typical hollow floor unit details Internal support Void Floor finish Cement/sand screed Grouted joints Typical channel section floor unit details
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PRE CAST CONCRETE SLAB
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DOORS, WINDOWS AND ROOFLIGHTS
TYPES OF DOOR Hinged Swing Revolving Sliding Folding Cantilever Roller shutter
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HINGED DOORS Most commonly found type
All close against a rebate on the door jamb Four commonly found types Flush Panelled Ledged Metal
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SWING DOORS Pin hinges allow door to swing in any direction
Door jamb not fitted with a rebate Often partially glazed using wired glass or copper glazing bars Found in restaurants, department stores and hotels.
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REVOLVING DOORS Present an obstruction to firefighting operations unless dealt with Usually 4 or 2 ‘wings’ Designed to be collapsed down Essential they are used in conjunction with a hinged door.
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SLIDING DOORS Solid or lattice construction
Widely used in commercial buildings Can slide on one or both sides of an opening or into a central recess Lattice type usually for security or to protect an area such as a lift or lift shaft.
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FOLDING DOORS Usually lightweight construction
Similar in design to hinged doors Two or more leaves hinged together Whole door opens to one side only Often used to separate two rooms.
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CANTILEVER DOORS Door is counter balanced and pivoted so it rises upwards Lies horizontal when open Generally fits flush to the opening when closed Usually found on garages.
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ROLLER SHUTTERS Nearly always made of steel
Small examples can be raised by hand Large examples usually operated by means of gearing and handle or chain and block Usually found on commercial premises.
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FIRE DOORS A standard fire door will:
Serve to contain the outbreak of fire Restrict the spread of fire gases into otherwise unaffected parts of the building A closed door restricts oxygen movement, thus helping to starve the fire
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WINDOWS Allow natural light into a building
Serve to provide ventilation to rooms Generally two types, referred to according to the method of opening Casement Sash
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CASEMENT WINDOWS The simplest form consists of a rectangular frame with the casement hung on it When more than one casement can be opened it is referred to as a 2,3 or 4 light casement.
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VENTLIGHT TRANSOM. FRAME CASEMENT DEADLIGHT
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SASH WINDOWS Pivoted sash - opening part supported by pivots at each side of opening part of window or top and bottom The term ‘SASH’ refers to the opening portion and includes the glass and the surround Partially inside and outside of opening when open.
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SASH WINDOWS Sliding sash windows Slide vertically
Double hung is the common form of this type of sash, both sashes slide vertically in the frame Another type consists of two sashes, one or both of which can be opened horizontally
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STAIRS AND ROOFS
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STAIRS Common materials Wood Stone Pre cast concrete Steel Composite
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STAIRS RISER TREAD NOSING CAPPING STRING BEARER
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STAIRS HEADROOM BANNISTER NEWEL POST SPANDREL RUN PITCH LINE RISE
GOING RISE SPANDREL NEWEL POST HEADROOM BANNISTER
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ROOF DESIGN Flat roofs Pitched roofs Mansard Trussed
Portal or ridge-framed
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PITCHED ROOFS
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PITCHED ROOFS
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CONFIRMATION Learning Outcomes
Assessments will be based on this lesson and the corresponding study note Learning Outcomes State the most commonly used construction materials and types Identify types of doors and windows commonly used List the principal components of a staircase List the types of roof commonly found.
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THE END
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