1999 seaoc blue book commentary

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. The seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc interpretation of the. Performancebased earthquake design of buildings and structures. Lateral force requirements and commentary, seaoc 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. I write this after just receiving notice that my daughters high school will be closing until at least april 20. 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. The seaoc blue book is available from icc at footnote i of ibc table 2306. 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. Dual systemshearwall with conc moment frame structuralint. 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. 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, seventh edition, structural engineers. 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.

Briefing paper 6 seismic code requirements for anchorage. Although the potential benefits of main windforce resisting systems, such as crossbracing. Structural engineers association of california, 1996 recommended lateral force requirements and commentary, seaoc blue book. In light of these concerns, the 1999 seaoc bluebook. Seismic design procedures and development of new ground motions for building codes dr. After viewing any topic, you must return to this page to view another topic. Moment frame behavior seaoc blue book 1999 strongcolumn, weak beam blue book commentary c402. Icbo lateral force recommended lateral force requirements and commentary seaoc blue book inactive buy now. These are generally consistent with that used in the ubc and other codes such as aci and aisc. 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. Project 07 reassessment of seismic design procedures and. Recommended lateral force requirements, also known as the blue book, in 1959.

Seaoc blue book recommended lateral force requirements and commentary, seismology committee, structural engineers association of california, 1996 sixth. 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. Building code requirements for structural concrete with commentary, 2005 edition, american concrete institute, farmington hills, mi. Requirements and commentary 1999 seventh edition seismology committee structural engineers association of california. To return to this page from any topic, click on return to welcome page located at the top of the bookmarks. 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. The 1999 seaoc blue book, appendix g, is identical to the above p. Commentary, structural engineers association of california, sacramento, california. 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. Oct 09, 2014 structural cd series, seismic edition. The paper describes virtual isolation for buildings with one or more soft stories.

It has built upon the work of all the seaoc seismology. 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. While i will come back to comments regarding converting challenges to opportunities, i first want to highlight some good news. Since 1959, the seaoc blue book has been a prescient publication of earthquake engineering. Design example 2 reinforced concrete wall with coupling beams. Features fullscreen sharing embed analytics article stories visual stories seo. Seismic design recommendations is the premier publication of the seaoc seismology committee. 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. Efficient mass participation ratio of building with basement. Seaoc blue book recommended lateral force requirements and commentary, seismology committee, structural engineers association of california, 1996 sixth edition and 1999 seventh.

Icbo lateral force october 1, 1999 recommended lateral force requirements and commentary. Fema 273 follows the philosophy that the isolation system for a rehabilitated building should be. The rare event is also specified as the design level earthquake ground motion commentary to. The wall to be designed is one of several reinforced concrete walls in the building. Seaoc blue book seismic design recommendations mixed.

Seaoc blue book, recommended lateral force requirements and commentary, structural engineers association of california. Icbo, and seaocs 1999 recommended lateral force requirements and commentary also called the blue book. Recommended lateral force requirements and commentary, seventh edition, seismology committee, structural engineers. Since 1959, the seaoc blue book has been a preeminent publication of earthquake engineering. The one important difference between the green book and the ubc was the deflection limit at service loads was more restrictively set at l150. Recommended lateral force requirements and commentary seaoc blue book. 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. The name blue book is renowned worldwide among engineers, researchers, and building officials. Seaoc blue book seismic design recommendations 2019. 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. First edition published in 1959 without commentary. Existing seismic design codes, such as those of ubc and nehrp, are forcebased procedures.

Notation the following notations are used in this document. Engineers association of california, sacramen to, california. Seaocs 1999 recommended lateral force requirements and commentary also called the blue book. This was set by consensus opinion during the 1984198. 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.

Since 1959, the recommended lateral force requirements blue book published by the seaoc seismology committee has heavily influenced the seismic design of structures. Dual systemshearwall with conc moment frame structural. Seventh edition with commentary, 1999 disclaimer neither seaoc, nor its member organization, committees, writers, editors, or individuals who have contributed. Association of california seaoc recommended lateral force requirements and commentary, known as the blue book and published from 1959 through 1999 seaoc, 1999. Recommended lateral force requirements and commentary. 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. The seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc.

Following the seventh edition, the blue book has been electronically published as a collection of informal articles titled seismic design recommendations and. The need for information on blastresistant design and. Recommended lateral force requirements and commentary seaoc blue book, 7th edition. The name blue book is renowned worldwide amongst engineers, researchers, and building officials. 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. 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. Seismic design recommendations 1959 to 2008 seaoc first published the. A very important feature out of the 1994 nehrp provisions3 is also included. Seaocs 1999 blue book indicates in the commentary on dual systems. The rare event is also specified as the design level earthquake ground motion commentary to 1996 seaoc blue book, p. 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. 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 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. As stated in the related blue book article seaoc 2008, where there is. 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. To say this is an unusual time, may be a serious understatement. Published in 1999, this seventh edition represents a fiveyear effort by seaoc s seismology committee to develop practical recommendations for. Recommended lateral force requirements, seaoc, blue book, california.

Since 1959, the seaoc blue book, previously titled recommended lateral force requirements and commentary, has been a. Force requirements and commentary, also known as 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. 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.

Seaoc blue book recommended lateral force requirements and commentary, seismology committee, structural engineers association of california, 1996 sixth edition and 1999 seventh edition. Structural engineers association of california seaoc. To view the following selections, click on a topic in the list for a full explanation. Seaoc blue book2 appendix c, which has now moved into the main body of the 1999 blue book. Briefing paper 6, seismic code requirements for anchorage of nonstructural components, consists of two parts. Cochair, with ron gallagher, 1999 seaoc blue book committee. Design example 2 reinforced concrete wall with coupling. Performancebased earthquake design of buildings and. Seaoc blue book seismic design recommendations 2019 civil.

Book development and recommended lateral force requirements, 1967 to 1999. Seismology committee works to update seaoc blue book. Structural engineers association of california seaoc, 1999. Seaoc blue book 2009 compilation by guillermo santana issuu.

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. Published in 1999, this seventh edition represents a fiveyear effort by seaocs seismology committee to develop practical recommendations for deploying. Seaoc blue book seismic design recommendations tilt. Since 1959, the seaoc blue book, previously titled recommended lateral force requirements and commentary, has been a prescient. Lateral force requirements and commentary 1999 seventh edition.

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. Chapter 5 stability 2012 icc performance code for buildings. The 1999 seventh edition of the recommended lateral. 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. The evaluation of shear strength of plywood sheathed walls with openings. Liaison member on seaoc existing buildings committee. Seaoc blue book 1999 the seaoc blue book, or recommended lateral force requirements and commentary, served for decades as the signature seaoc interpretation o. Copyright publisher structural engineers association of. 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. Direct displacementbased seismic design of propped rocking.

It forms the basis for the seismic provisions of the 1997 ubc. Design of a new steel moment frame building incorporating. 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. The seismic design manual was developed to fill a void that exists between the. And commentary the blue book in 1960 that contained a. Seaoc bluebook beam structure deep foundation scribd. Structural engineers association of california seaoc, sacramento, ca. Recommended lateral force requirements and commentary 1999, 7ed.