1999 seaoc blue book commentary

Performancebased earthquake design of buildings and. While i will come back to comments regarding converting challenges to opportunities, i first want to highlight some good news. Seismic design procedures and development of new ground motions for building codes dr. Seismology committee works to update seaoc blue book. To return to this page from any topic, click on return to welcome page located at the top of the bookmarks. The name blue book is renowned worldwide among engineers, researchers, and building officials. Structural engineers association of california, 1996 recommended lateral force requirements and commentary, seaoc blue book.

Design of a new steel moment frame building incorporating. The rare event is also specified as the design level earthquake ground motion commentary to. Since 1959, the seaoc blue book, previously titled recommended lateral force requirements and commentary, has been a. Following the seventh edition, the blue book has been electronically published as a collection of informal articles titled seismic design recommendations and no longer contains codetype recommendations. Design example 2 reinforced concrete wall with coupling beams. Structural engineers association of california seaoc. Seventh edition with commentary, 1999 disclaimer neither seaoc, nor its member organization, committees, writers, editors, or individuals who have contributed. Seaoc blue book recommended lateral force requirements and commentary, seismology committee, structural engineers association of california, 1996 sixth. Book development and recommended lateral force requirements, 1967 to 1999. Since 1959, the seaoc blue book has been a preeminent publication of earthquake engineering. Lateral force requirements and commentary, seaoc blue book. Copyright publisher structural engineers association of. Since 1959, the seaoc blue book, previously titled recommended lateral force requirements and commentary, has been a prescient.

Structural engineers association of california seaoc, sacramento, ca. Recommended lateral force requirements and commentary, seventh edition, seismology committee, structural engineers. These are generally consistent with that used in the ubc and other codes such as aci and aisc. Commentary, structural engineers association of california, sacramento, california. Using the 1999 seaoc blue book seaoc, 1999 recommendations for passive energy dissipation, the buildings lateral force resisting system lfrs is designed for strength requirements only, resulting in a relatively flexible lfrs, while fluid viscous dampers fvd are incorporated to limit story drifts to. The 1999 seventh edition of the recommended lateral. To view the following selections, click on a topic in the list for a full explanation.

Seaoc blue book 1999 the seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc interpretation o. Seaocs 1999 recommended lateral force requirements and commentary also called the blue book. Oregon and washington, following californias lead, are likely to remain on the 1997 ubc for the next three years or so each state has made certain amendments to the code. Force requirements and commentary, also known as the. Seaoc blue book recommended lateral force requirements and commentary, seismology committee, structural engineers association of california, 1996 sixth edition and 1999 seventh edition. A very important feature out of the 1994 nehrp provisions3 is also included. Recommended lateral force requirements and commentary seaoc blue book, 7th edition. The name blue book is renowned worldwide amongst engineers, researchers, and building officials.

Seismic design recommendations 1959 to 2008 seaoc first published the. In ad dition, the 1997 ubc relies on the provisions contained in the 1994 edition of the nehrp recommended provisions for seismic regu lations for new buildings bssc, 1995, while the. Published in 1999, this seventh edition represents a fiveyear effort by seaocs seismology committee to develop practical recommendations for deploying the 1997 ubc and related documents and standards. The seaoc blue book is available from icc at footnote i of ibc table 2306. Seaoc blue book seismic design recommendations mixed.

The blue books role since 1959, seaocs blue book, formerly titled recommended lateral force requirements and commentary, has been at the vanguard of earthquake engineering in california and. Blue book editions from 1959 to 1999 served the dual purpose of commentary to and recommended modifications to the seismic design provisions of the uniform building code, at that time adopted in most western and central states. The 2000 ibc structuralseismic design manual was developed to fill a void that exists between the commentary of seaoc s blue book, which explained the basis for the code provisions, and everyday structural engineering design practice the 2006 jbc structural seismic design manual illustrates how the provisions of the code are used volume 1. The rare event is also specified as the design level earthquake ground motion commentary to 1996 seaoc blue book, p. The one important difference between the green book and the ubc was the deflection limit at service loads was more restrictively set at l150. Icbo lateral force recommended lateral force requirements and commentary seaoc blue book inactive buy now. Seaoc blue book seismic design recommendations tilt. In accordance with the structural engineers association of californias 1999 recommended lateral force requirements and commentary blue book, when a time history analysis is performed and dampers are incorporated to limit the story drift to an acceptable level, the buildings lateral force resisting system lfrs is designed for strength. Mar 30, 2020 since 1959, the recommended lateral force requirements blue book published by the seaoc seismology committee has heavily influenced the seismic design of structures. This was set by consensus opinion during the 1984198.

The 2000 ibc structuralseismic design manual was developed to fill a void that exists between the commentary of seaocs blue book, which explained the basis for the code provisions, and everyday structural engineering design practice the 2006 jbc structural seismic design manual illustrates how the provisions of the code are used volume 1. Seismic design recommendations is the premier publication of the seaoc seismology committee. The seismic design manual was developed to fill a void that exists between the. The wall to be designed is one of several reinforced concrete walls in the building. Recommended lateral force requirements, seaoc, blue book, california. Direct displacementbased seismic design of propped rocking. Since 1959, the seaoc blue book has been a prescient publication of earthquake engineering. Since 1959, the recommended lateral force requirements blue book published by the seaoc seismology committee has heavily influenced the seismic design of structures.

Recommended lateral force requirements and commentary 1999, 7ed. Design example 2 reinforced concrete wall with coupling. International building code ibc, 2000, and structural engineers association of california seaoc blue book 1999to design buildings with passive energy dissipation and seismic isolation systems. Briefing paper 6 seismic code requirements for anchorage. As such, these columns must be designed to resist the vertical forces resulting from overturning moment in the shear wall along with the load effects. Published in 1999, this seventh edition represents a fiveyear effort by seaocs seismology committee to develop practical recommendations for deploying. In light of these concerns, the 1999 seaoc bluebook. The intent of the blue book up until the seventh edition 1999 was to act as a vehicle for writing recommended minimum code requirements and providing commentary regarding best practice. Recommended lateral force requirements and commentary. Fema 273 follows the philosophy that the isolation system for a rehabilitated building should be.

Building code requirements for structural concrete with commentary, 2005 edition, american concrete institute, farmington hills, mi. The 1999 seaoc blue book, appendix g, is identical to the above p. Fourth edition with partial commentary, 1974 commentary for fourth edition, 1975 fourth edition revised, 1980 fifth edition with tentative commentary, 1988 fifth edition revised with commentary, 1990 sixth edition with commentary, 1996 seventh edition with commentary, 1999 disclaimer neither seaoc, nor its member organization, commit. Recommended lateral force requirements and commentary, seventh edition, structural engineers. Seaoc bluebook beam structure deep foundation scribd. As stated in the related blue book article seaoc 2008, where there is. It has built upon the work of all the seaoc seismology. Recommended lateral force requirements, also known as the blue book, in 1959. Seaocs 1999 blue book indicates in the commentary on dual systems. Discussions of the seaoc blue book recommendations refer to the document recommended lateral force recommendations and commentary seaoc, 1999 as well as the blue book online articles on specific topics seaoc, 2009 as applicable. Discussions related to the seaoc blue book recommendations refer to the document recommended lateral force recommendations and commentary seaoc, 1999 as well as the blue book online articles on speci. Icbo lateral force october 1, 1999 recommended lateral force requirements and commentary. The seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc interpretation of the seismic provisions of the uniform building code ubc.

First edition published in 1959 without commentary. Moment frame behavior seaoc blue book 1999 strongcolumn, weak beam blue book commentary c402. The evaluation of shear strength of plywood sheathed walls with openings. Association of california seaoc recommended lateral force requirements and commentary, known as the blue book and published from 1959 through 1999 seaoc, 1999. The blue book s role since 1959, seaoc s blue book, formerly titled recommended lateral force requirements and commentary, has been at the vanguard of earthquake engineering in california and. Chapter 5 stability 2012 icc performance code for buildings. To say this is an unusual time, may be a serious understatement. Notation the following notations are used in this document. The seismic design manual was developed to fill a void that exists between the commentary of the blue book, which explains the basis for the ubc seismic provisions, and everyday structural engineering design practice. The seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc interpretation of the.

The paper describes virtual isolation for buildings with one or more soft stories. International building code ibc, 2000, and structural engineers association of california seaoc blue book 1999 to design buildings with passive energy dissipation and seismic isolation systems. Lateral force requirements and commentary 1999 seventh edition. Seaoc blue book2 appendix c, which has now moved into the main body of the 1999 blue book. Recommended lateral force requirements and commentary seaoc blue book. The need for information on blastresistant design and. Requirements and commentary 1999 seventh edition seismology committee structural engineers association of california. The 1999 seventh edition of the recommended lateral force requirements and commentary, also known as the seaoc blue book, summarizes recommendations of the structural engineers association of california seaoc for earthquake resistant design of structures. Structural systems to resist the forces of high winds and tornadoes are discussed at length in minimum design loads for buildings and other structures, asce, 1996. One part of the committees charge was to recommend a strategy for technology transfer for advances identified by the bmsp in engineering, architectural, and building practices, disaster preparedness and recovery, and emergency medical services. Engineers association of california, sacramen to, california.

Project 07 reassessment of seismic design procedures and. Cochair, with ron gallagher, 1999 seaoc blue book committee. And commentary the blue book in 1960 that contained a. Seaoc blue book 2009 compilation by guillermo santana issuu. Liaison member on seaoc existing buildings committee. Dual systemshearwall with conc moment frame structural. Seaoc blue book, recommended lateral force requirements and commentary, structural engineers association of california. Existing seismic design codes, such as those of ubc and nehrp, are forcebased procedures.

Although the potential benefits of main windforce resisting systems, such as crossbracing. The seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc. It forms the basis for the seismic provisions of the 1997 ubc. Structural engineers association of california seaoc, 1999. The provisions for designing the isolation system of a new building were used as the starting point for the isolation system requirements of the nehrp guidelines for seismic rehabilitation of buildings fema 273. Using the 1999 seaoc blue book seaoc, 1999 recommendations for passive energy dissipation, the buildings lateral force resisting system lfrs is designed for strength requirements only, resulting in a relatively flexible lfrs, while fluid viscous dampers fvd are incorporated to limit story drifts. Following the seventh edition, the blue book has been electronically published as a collection of informal articles titled seismic design recommendations and.

Recommended lateral force requirements and commentary, known as the blue book, was last published in 1999 by the seismology committee of the structural engineers association of california seaoc. The intent of the blue book up until the seventh edition 1999 was to act as a vehicle for writing recommended minimum code requirements and providing commentary regarding. Seaoc blue book seismic design recommendations 2019 civil. The blue books role since 1959, seaocs blue book, formerly titled recommended lateral force requirements and commentary, has been at the vanguard of earthquake engineering in. After viewing any topic, you must return to this page to view another topic. Seaoc blue book recommended lateral force requirements and commentary, seismology committee, structural engineers association of california, 1996 sixth edition and 1999 seventh. Efficient mass participation ratio of building with basement. Performancebased earthquake design of buildings and structures. Published in 1999, this seventh edition represents a fiveyear effort by seaoc s seismology committee to develop practical recommendations for. Its purpose is to provide guidance on the interpretation and use of the seismic requirements in the 1997 uniform building code ubc, published by the international confere nce of building official icbo, and seaocs 1999 recommended lateral force requirements and commentary also called the blue book. Oct 09, 2014 structural cd series, seismic edition. Seaoc blue book seismic design recommendations 2019. Briefing paper 6, seismic code requirements for anchorage of nonstructural components, consists of two parts. Icbo, and seaocs 1999 recommended lateral force requirements and commentary also called the blue book.