Wind Loads for Petrochemical and Other Industrial Facilities

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Wind Loads for Petrochemical and Other Industrial Facilities

Wind Loads for Petrochemical and Other Industrial Facilities
by Task Committee on Wind-Induced Forces of the Petrochemical Committee, Energy Division, American Society of Civil Engineers (ASCE)
English | 2011 | ISBN: 0784411808 9780784411803 | 177 pages | PDF | 4.59 MB

This book provides state-of-the-practice guidelines for the computation of wind-induced forces on industrial facilities with structural features outside the scope of current codes and standards. Without adequate standards, companies and their engineers developed techniques to calculate the wind loads for their facilities.

This report is intended for use by engineers who design industrial facilities and assumes familiarity with Standard ASCE 7, Minimum Design Loads for Buildings and Other Structures. It will also be useful to company managers who are responsible for establishing wind-load design and construction standards and to local building authorities.

The result is a wide variation in practice and inconsistent structural reliability. To encourage uniform wind load calculations, this report first reviews existing design practices for pipe racks and bridges, open and partially clad frame structures, vessels, tanks, steel stacks, cooling towers, and air coolers.
Then, recommended guidelines are presented for design methods and the analytical determination of wind loads. Worked calculations for six example situations are included to illustrate the application of the recommended guidelines.

Contents
1: Introduction
1.1 Background
1.2 State of the Practice
1.3 Purpose of Report
2 : Background
2.1 Introduction
2.2 Key Wind Engineering Concepts
2.3 Aerodynamics of Open Frame Structures
2.4 Aerodynamics of Partially Clad Structures
2.5 Aerodynamics of Vertical Vessels
2.6 Other Wind Loading Codes, Standards, and Guides
2.7 Research Progress and Future Needs
3: Review of Existing Desion Practices
3.1 Introduction
3.2 Survey of Existing Pracdcesand Impacts of First Edition Guidelines
3.3 Existing Design Practices for Structures New to Second Edition
4: Recommended Guidelines Part I: Design Considerations and Methods
4.0 Introduction
4.1 Historical Performance
4.2 Wind Tunnel Testing
4.3 CFD Commentary
4.4 Load Combinations
4.5 Special Considerations for LNG Facilities
4.6 Evaluation of Wind Loads on Existing Structures
4.7 Wind Load Analysis Uncertainty
5: Recommended Guidelines Part II: Analytical Determination of Wind Loads
5.0 General
5.1 Pipe Racks
5.2 Open Frame Structures
5.3 Partially Clad Structures.
5.4 Pressure Vessels
5.5 Cooling Towers
5.6 Air Cooled Heat Exchanger (Air Coolers or Fin Fans)
Appendix 5A Alternate Method for Determining C/and Load Combinations for Open Frame Structures
Appendix 5B High-Solidity Open Frame Structures
6: Examples
6.0 Introduction
6.1 Pipe Rack and Pipe Bridge Example
6.2 Open Frame Examples
6.3 Partially Clad Structure Example
6.4 Pressure Vessels Example
6.5 Cooling Tower Example
References
Index

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