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ChittampalamA.GardinerMawatha,Colombo02.
• Introduction
• Advantages of steel building construction
• Disadvantages of steel building construction
• Main uses of steel building
• Site investigation, fabrication and key building
elements of steel building
• Cost details of the construction
• Suitability of steel building construction to Sri
Lanka
• Steel plays a central role in many of the most
sophisticated and accomplished examples of modern
building design.
• Steel can either be used for the inner support structure
or outer covering.
• Structural steel frameworks are assembled onsite (The
processes involve lifting and placing components into position,
then connecting them together)
• Consistent Material Quality
• Light weight and strong
• Non-Combustible Material
• Dimensionally Stable in any Climate
• Insect Resistance and steel will not Rot
• Can build very tall and wide (tallest buildings
in the world)
• Prefabricated – frames assemble quickly
• Steel is an expensive material (much more
expensive than masonry or concrete)
• Frames are unstable
• Needs fire protection
• Needs separate “skin”
• Steel Building used as storage buildings
• Steel Buildings as Skyscrapers
• Steel Buildings used as Office Buildings and
Commercial Buildings.
• Steel Buildings used as Temporary Buildings
Storage
Buildings
Sky
Scrapers
Office
Buildings
Temporary
Buildings
Main Uses of
Steel Building
• Minimum repair and maintenance
• Durable
• Speed of construction
• Building are movable through deconstruction or
mobility.
• Strong internal framework.
• Speed of construction
• Ease of installation
• Design Flexibility
• Strength & Stability
• Speed of Construction
• Comparatively less human resources in
installation.
• Design Flexibility
• Ease of Deconstruction
• Re-usability of steel
• Speed of construction
• Stability
• Durability
The main purposes of site investigation
• To determine the nature of the sub soil
• To determine the bearing capacity of the
building.
• To determine the possibility of the ground
movement.
Fabrication describes the processing of
steel from manufacturer to final delivery
to a construction project, which includes;
–Coating
–Stockyard storage
–Cutting
–Bending
–Welding
Technology used for columns
1. Top beam
2. Side plate
3. Packing plate
4. Bottom beam
5. Bottom plate
6. Angle
• Used Arched welding
Prepare the edge to get
strength
• Stiffener plate welded
Get more strength
Prevent curving beams
• Using studs for beam
• Used sink pose pate for steel
• Removed corrosion
Using sand
Using machine (grinder)
Planning for Construction
• Cost
• Program
• Quality
• Establishing suitable and safety foundation
• Lifting and placing components into position
• Aligning the structure
Metal deck may need to be assessed for its ability
to stabilise the steel members
• Total cost for the whole construction project is
Rs.48580000/=
• Beams and Columns are separated and
identified by their sizes
Element Quantity Unit Price
Universal beams
size 350*175*42 kg/m
size 400*200*57 kg/m
10.75
69.1
5285
4247
Universal column size
250*250*57.4, 300*300*101.1 kg/m
175.6 7127
Lip C galvanized purling
type ‘c 10020’ , size 102*51*15, 2mm thick
411 1229
Hot dip galvanize coated angle
irons
40*40*5 mm,
128.2 830
Steel truss
Type TR 1
Type TR 2
3
1
132652
81883
Suitability of
steel
building
construction
to Sri Lanka
Sustainability
Construction
Utilization
• Lack of natural resources like sand, bricks
• Inadequate local production of cement
• Reusability of steel
Sustainability
• Speed of construction
• Cost of constructionConstruction
• Car park of Department of Inland Revenue
• Warehouses
• Petrol Sheds
• Network towers
Utilization
Steel buildings

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Steel buildings

  • 2. • Introduction • Advantages of steel building construction • Disadvantages of steel building construction • Main uses of steel building • Site investigation, fabrication and key building elements of steel building • Cost details of the construction • Suitability of steel building construction to Sri Lanka
  • 3. • Steel plays a central role in many of the most sophisticated and accomplished examples of modern building design. • Steel can either be used for the inner support structure or outer covering. • Structural steel frameworks are assembled onsite (The processes involve lifting and placing components into position, then connecting them together)
  • 4. • Consistent Material Quality • Light weight and strong • Non-Combustible Material • Dimensionally Stable in any Climate
  • 5. • Insect Resistance and steel will not Rot • Can build very tall and wide (tallest buildings in the world) • Prefabricated – frames assemble quickly
  • 6. • Steel is an expensive material (much more expensive than masonry or concrete) • Frames are unstable • Needs fire protection • Needs separate “skin”
  • 7. • Steel Building used as storage buildings • Steel Buildings as Skyscrapers • Steel Buildings used as Office Buildings and Commercial Buildings. • Steel Buildings used as Temporary Buildings
  • 9. • Minimum repair and maintenance • Durable • Speed of construction • Building are movable through deconstruction or mobility.
  • 10. • Strong internal framework. • Speed of construction • Ease of installation • Design Flexibility
  • 11. • Strength & Stability • Speed of Construction • Comparatively less human resources in installation. • Design Flexibility
  • 12. • Ease of Deconstruction • Re-usability of steel • Speed of construction • Stability • Durability
  • 13. The main purposes of site investigation • To determine the nature of the sub soil • To determine the bearing capacity of the building. • To determine the possibility of the ground movement.
  • 14. Fabrication describes the processing of steel from manufacturer to final delivery to a construction project, which includes; –Coating –Stockyard storage –Cutting –Bending –Welding
  • 15. Technology used for columns 1. Top beam 2. Side plate 3. Packing plate 4. Bottom beam 5. Bottom plate 6. Angle
  • 16. • Used Arched welding Prepare the edge to get strength • Stiffener plate welded Get more strength Prevent curving beams
  • 17. • Using studs for beam • Used sink pose pate for steel • Removed corrosion Using sand Using machine (grinder)
  • 18. Planning for Construction • Cost • Program • Quality
  • 19. • Establishing suitable and safety foundation • Lifting and placing components into position • Aligning the structure
  • 20.
  • 21. Metal deck may need to be assessed for its ability to stabilise the steel members
  • 22.
  • 23. • Total cost for the whole construction project is Rs.48580000/= • Beams and Columns are separated and identified by their sizes
  • 24. Element Quantity Unit Price Universal beams size 350*175*42 kg/m size 400*200*57 kg/m 10.75 69.1 5285 4247 Universal column size 250*250*57.4, 300*300*101.1 kg/m 175.6 7127 Lip C galvanized purling type ‘c 10020’ , size 102*51*15, 2mm thick 411 1229 Hot dip galvanize coated angle irons 40*40*5 mm, 128.2 830 Steel truss Type TR 1 Type TR 2 3 1 132652 81883
  • 25. Suitability of steel building construction to Sri Lanka Sustainability Construction Utilization
  • 26. • Lack of natural resources like sand, bricks • Inadequate local production of cement • Reusability of steel Sustainability • Speed of construction • Cost of constructionConstruction • Car park of Department of Inland Revenue • Warehouses • Petrol Sheds • Network towers Utilization