v
2.1.2
Design from experience
17
2.1.3
Elastic theory
17
2.1.4
Plastic theory
18
2.1.5
Limit state theory and design codes
19
2.2
Limit states and design basis
20
2.3
Loads, actions and partial safety factors
20
2.3.1
Loads
20
2.3.2
Load factors/partial safety factors and design loads
21
2.4
Structural steels—partial safety factors for materials
21
2.5
Design methods from codes—ultimate limit state
21
2.5.1
Design methods from BS 5950
21
2.5.2
Analysis of structures—Eurocode 3
23
2.5.3
Member and joint design
23
2.6
Stability limit state
24
2.7
Design for accidental damage
24
2.7.1
Progressive collapse and robustness
24
2.7.2
Building Regulations 1991
25
2.7.3
BS 5950 requirements for structural integrity
25
2.8
Serviceability limit states
26
2.8.1
Deflection limits
26
2.8.2
Vibration
26
2.9
Design considerations
26
2.9.1
Fatigue
26
2.9.2
Brittle fracture
27
2.9.3
Corrosion protection
28
2.9.4
Fire protection
28
Preliminary design
31
3.1
General considerations
31
3.2
Need for and scope of preliminary design methods
31
3.3
Design concept, modelling and load estimation
31
3
3.3.1
Design concept
31
3.3.2
Modelling
32
3.3.3
Load estimation
32
3.4
Analysis
32
3.4.1
Statically determinate structures
32
3.4.2
Statically indeterminate structures
35
3.5
Element design
38