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The purpose of Structural Load Determination under 2009 IBC and ASCE/SEI 7-05 2nd Edition is to assist in the proper understanding and determination of structural loads in accordance with the 2009 International Building Code (IBC) and ASCE/SEI 7-05, including dead load, occupancy live load, roof live load and environmental loads such as rain, snow, flood, wind and seismic loads. The new edition includes a new chapter on flood loads and a new section on the simplified alternate all-heights wind design procedure in the 2009 International Building Code.
The load requirements of the 2009 International Building Code and ASCE/SEI 7-05 are presented in a straightforward manner with emphasis placed on the proper application of the provisions in everyday practice. Structural load determination provisions have been organized in comprehensive flowcharts, that provide a road map to guide the reader through the requirements. Included in the flowcharts are the applicable sections numbers and equation numbers from the 2009 International Building Code and ASCE/SEI 7-05 that pertain to the specific requirements.
Numerous completely worked-out design examples are included in the chapters that illustrate the proper application of the code requirements. These examples follow the steps provided in the referenced flowcharts.
The content of this publication is an excellent resource for civil and structural engineers, architects, code officials, plan reviewers and students who need to understand how to determine structural loads.
From the Preface
The purpose of Structural Load Determination under 2009 IBC and ASCE/SEI 7-05 is to provide a detailed guide to the proper determination of structural loads in accordance with the 2009 International Building Code (IBC) and Minimum Design Loads for Buildings and Other Structures (ASCE/SEI 7-05) with Supplement No. 2. The 2009 International Building Code references the 2005 edition of the ASCE/SEI 7 standard for many code-prescribed loads, most notably environmental loads such as flood, snow, wind and seismic load effects. In general, the International Building Code contains only the structural design criteria for environmental loads, while the technical design provisions for these loads are contained in the ASCE/SEI 7 standard.
This book is an essential resource for civil and structural engineers, architects, plan check engineers and students who need an efficient and practical approach to load determination under the 2009 International Building Code and ASCE/SEI 7-05 standard. The book is especially valuable to code users who are familiar with the structural load provisions of the previous legacy codes such as the Uniform Building Code (UBC). It has been reported that one of the most significant changes for code users transitioning from the Uniform Building Code to the International Building Code is the way snow loads, wind pressures and earthquake ground motion load effects are determined under the International Building Code and ASCE/SEI 7-05 compared to previous legacy codes. Structural Load Determination under 2009 International Building Code and ASCE/SEI 7-05 is a practical resource that will help code users make the transition quickly.
The book illustrates the application of code provisions and methodology for determining structural loads through the use of numerous flowcharts and practical design examples included are load combinations for allowable stress design, load and resistance factor (strength) design, seismic load combinations with vertical load effect and special seismic load combinations, dead loads, live loads and rain loads, snow loads, flood loads, wind loads and earthquake load effects For wind load determination, flowcharts and design examples are presented for the simplified procedure (Method 1), the analytical procedure (Method 2) and the new alternate all-heights method in the 2009 International Building Code seismic design criteria, determination of seismic design category, the simplified method, equivalent lateral force procedure and nonbuilding structures are some of the topics illustrated through flowcharts and design examples.
This publication is an update to the previous publication, Structural Load Determination under 2006 IBC and ASCE/SEI 7-05. A new section has been added to Chapter 5 that covers the alternate all-heights wind design method in 2009 International Building Code Section 1609.6. This method is a simplified procedure based on Method 2 of ASCE/SEI 7-05 that applies to regularly shaped buildings and structures that meet the five conditions given in International Building Code 1609.6.1. Net wind pressures Pnet are calculated using design pressure coefficients Cnet, which are given in International Building Code Table 1609.6.2(2) for main wind-force-resisting systems and components and cladding. A flowchart on how to determine Pnet is provided along with examples on how to apply the alternate all-heights method.
About the Author
David A Fanella is Associate Principal and Director of New Structures at Klein and Hoffman Inc., Chicago, Illinois. Dr. Fanella holds a Ph.D. in structural engineering from the University of Illinois at Chicago and is a licensed Structural Engineer in the State of Illinois and a licensed Professional Engineer in numerous states. He was formerly with the Portland Cement Association in Skokie, Illinois, where he was responsible for the buildings and special structures market. Dr. Fanella is an active member of a number of American Concrete Institute (ACT) Committees and is an Associate Member of the ASCE 7 Committee. He is currently President-Elect of the Structural Engineers Association of Illinois. Dr. Fanella has authored or coauthored many structural publications, including a series of articles on time-saving methods for reinforced concrete design. |
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