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Steel buildings
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- 2. • Introduction • Advantagesof 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 playsa 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 MaterialQuality • Light weight and strong • Non-Combustible Material • Dimensionally Stable in any Climate
- 5. • Insect Resistanceand steel will not Rot • Can build very tall and wide (tallest buildings in the world) • Prefabricated – frames assemble quickly
- 6. • Steel isan expensive material (much more expensive than masonry or concrete) • Frames are unstable • Needs fire protection • Needs separate “skin”
- 7. • Steel Buildingused as storage buildings • Steel Buildings as Skyscrapers • Steel Buildings used as Office Buildings and Commercial Buildings. • Steel Buildings used as Temporary Buildings
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- 9. • Minimum repairand maintenance • Durable • Speed of construction • Building are movable through deconstruction or mobility.
- 10. • Strong internalframework. • Speed of construction • Ease of installation • Design Flexibility
- 11. • Strength &Stability • Speed of Construction • Comparatively less human resources in installation. • Design Flexibility
- 12. • Ease ofDeconstruction • Re-usability of steel • Speed of construction • Stability • Durability
- 13. The main purposesof 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 theprocessing of steel from manufacturer to final delivery to a construction project, which includes; –Coating –Stockyard storage –Cutting –Bending –Welding
- 15. Technology used forcolumns 1. Top beam 2. Side plate 3. Packing plate 4. Bottom beam 5. Bottom plate 6. Angle
- 16. • Used Archedwelding Prepare the edge to get strength • Stiffener plate welded Get more strength Prevent curving beams
- 17. • Using studsfor beam • Used sink pose pate for steel • Removed corrosion Using sand Using machine (grinder)
- 18. Planning for Construction •Cost • Program • Quality
- 19. • Establishing suitableand safety foundation • Lifting and placing components into position • Aligning the structure
- 21. Metal deck mayneed to be assessed for its ability to stabilise the steel members
- 23. • Total costfor the whole construction project is Rs.48580000/= • Beams and Columns are separated and identified by their sizes
- 24. Element Quantity UnitPrice 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 SriLanka Sustainability Construction Utilization
- 26. • Lack ofnatural 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