Pembuatan Baja
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STEEL STRUCUTRE
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Why Materials ???
Ashby,: Material Selection
in Mechanical Design
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Engineering Materials
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Taxonomy of Materials Selection
Ashby,: Material Selection
in Mechanical Design
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Carbon and alloy steels
Carbon steels
• Classified as low, medium and high:
1. Low-carbon steel or mild steel, < 0.3%C, bolts, nuts and sheet plates.
2. Medium-carbon steel, 0.3% ~ 0.6%C, machinery, automotive and agricultural equipment.
3. High-carbon steel, > 0.60% C, springs, cutlery, cable.
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Material Properties
Jenis Baja Tegangan putus tarik
Fu (MPa)
Tegangan leleh tarik
Fy (MPa)
BJ 34 340 210
BJ 37 370 240
BJ 41 410 250
BJ 50 500 290
BJ 52 520 360
BJ 55 550 410
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HOW TO MAKE STEEL?
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Benefits of Structural Steel
Some benefits associated with use of structural steel for owners are:
• Steel allows for reduced frame construction time and the ability to construct
in all seasons
• Steel makes large spans and bay sizes possible, providing more flexibility for
owners
• Steel is easier to modify and reinforce if architectural changes are made to a
facility over its life
• Steel is lightweight and can reduce foundation costs
• Steel is durable, long-lasting and recyclable (AISC 1999)
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APPLICATIONS
• Industrial Buildings• Warehouses• Commercial Complexes• Showrooms• Offices• Schools• Indoor Stadiums• Outdoor Stadiums with canopies• Gas Stations• Bus Terminals, Parking Lots• Primary Health Centers• And many more…
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Apartement
Power Plant
Industrial building
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Industrial Building
Parking lots
Indoor Stadiums
Railway Station
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Aircraft Hangars Metro Station
Wear house High rise Building
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OTHER MAJOR COMPONENTS
CRANE BRACKETS & BEAMS
MEZZANINE FLOORS
STRUCTURAL PARTIONS
FASCIAS CANOPIES
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Crane bracket
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PELAKSANAAN PEKERJAAN KONSTRUKSI BAJA
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coil
cutting welding
Roof & wallsheeting
fabrication
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Erection
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