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PD 6529:1990
Withdrawn
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Report on a new approach for design loads for buildings
Hardcopy , PDF
01-04-2006
English
31-12-1990
Foreword
Committees responsible
Section 1. General
0. Introduction
1. Scope
2. Definitions and symbols
2.1 Definitions
2.2 Symbols
3. Historical review
3.1 General
3.2 Safety factors
3.3 Design philosophies and safety factor formats
3.4 British committees on structural safety
3.4.1 ISE Special Committee on Structural Safety
3.4.2 CIRIA Study Committee on Structural Safety
3.4.3 ICE Committee on Safety in Civil Engineering
3.4.4 CIRIA Study on rationalization of safety and
serviceability factors in structural codes
3.4.5 ISE Code Servicing Panel on Rationalization of
gamma-factors
3.5 Structural/soil interface
3.6 Current situation in the UK
4. Loading requirements for structural design
4.1 General
4.2 Design considerations
4.2.1 Strength
4.2.2 Stability
4.2.3 Dynamic response
4.2.4 Deflection and deformation
4.2.5 Construction loads
4.2.6 Temperature effects
4.2.7 Permissible stress design
4.3 Summary
Section 2. Design philosophy
5. Limit states
5.1 General
5.2 Design values
5.3 Treatment of uncertainties
6. Standards of reliability
6.1 Individual parameters
6.2 Structures
6.3 Notional reliabilities
6.4 Design values
Section 3. Load values
7. Recommendations for selecting design loads
7.1 General
7.2 Load classification
7.2.1 General
7.2.2 Permanent loads
7.2.3 Variable loads
7.2.4 Accidental loads
7.3 Load duration
7.4 Load combinations
7.4.1 Introduction
7.4.2 General rules
7.4.3 Accidental combinations
7.5 Ultimate (safety) limit states
7.6 Serviceability limit states
8. Design values
8.1 Permanent loads
8.1.1 Dead loads
8.1.2 Earth pressures
8.2 Variable loads
8.2.1 Imposed floor loads
8.2.2 Imposed roof loads (snow)
8.2.3 Wind loads
8.2.4 Fluid loads
8.2.5 Seismic loads
8.3 Consequences
9. Load combinations
9.1 Ultimate (safety) limit states
9.1.1 Time independent load combinations
9.1.2 Time dependent load combinations
9.1.3 Opposing load combinations
9.1.4 Single significant parameter
9.2 Serviceability limit states
9.3 Accidental loads
9.4 Permissible stress design
Section 4. Use in structural design
10. Presentation of data in loading code
10.1 Permanent loads
10.1.1 Dead loads
10.1.2 Earth pressures
10.2 Variable loads
10.2.1 Imposed floor loads
10.2.2 Imposed roof loads (snow)
10.2.3 Wind loads
11. Comparison with current practice
11.1 General
11.2 Column compression load
11.2.1 Ultimate (safety) limit state
11.2.2 Serviceability limit state
11.3 Crane leg tension load
11.3.1 Ultimate (safety) limit state
11.3.2 Serviceability limit state
11.4 Conclusions
Tables
1. Example of presentation of partial safety factors
for dead loads
2. Example of presentation of imposed floor loads
Figures
1. Column compression load: ultimate limit state
2. Column compression load: serviceability limit state
3. Crane leg tension load: ultimate limit state
4. Crane leg tension load: serviceability limit state
References
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