Structural Design Guide to the ACI Building Code

Author(s):  
Edward S. Hoffman ◽  
David P. Gustafson ◽  
Albert J. Gouwens
2003 ◽  
Vol 1819 (1) ◽  
pp. 306-313 ◽  
Author(s):  
Guillermo Thenoux ◽  
Alvaro González ◽  
Felipe Halles

The practical and theoretical principles used for development of the Chilean Structural Design Guide for Low-Volume Roads 2002 and the guide’s conceptual model and hypotheses are presented. The design guide is a simplified methodology for selection of different pavement structure alternatives for a variety of conditions (traffic, soil support capacity, and climate). The design guide provides solutions for four traffic ranges, six ranges of soil support capacity, and three climate conditions (dry, normal, and saturated). The design charts contain more than 150 solutions. Pavement structural design was solved by mechanistic analysis with the BISAR computer program and fatigue models developed in South Africa. The design guide may be considered an engineering application with upto- date research tools and results.


1990 ◽  
Vol 17 (5) ◽  
pp. 771-787 ◽  
Author(s):  
D. E. Allen

Recent vibration problems with floors used for aerobics have shown the need for better guidelines for structural design and evaluation. Such guidelines were introduced for the first time in the Supplement to the 1985 National Building Code (NBC), but more recent experience with one particular floor has shown the need for some improvements to these guidelines. The paper describes the investigation of the floor and the use of the floor to estimate the loading function for aerobics, and recommends changes to the NBC design criteria. The paper provides guidance on estimating parameters used in the criteria and discusses repair alternatives related to the floor problem. Key words: floor vibration, aerobics, design criteria, repair.


2003 ◽  
Vol 30 (2) ◽  
pp. 279-286 ◽  
Author(s):  
Ronald H DeVall

There are many changes proposed for the Earthquake Design Provisions of the 2005 edition of the National Building Code of Canada (NBCC). Among them are requirements for complete load paths, separation of stiff nonstructural elements, and the introduction of definitions of irregular structures and special design requirements associated with these irregularities. A new requirement for direction of loading is introduced, along with requirements for elements common to more than one lateral load resisting system. The effects of displacements are emphasized throughout the document, and revised provisions for drift limits are proposed. Revisions to the importance factor that integrate it into the proposed revised format for Part 4, Structural design, of the NBCC are given. Background information is presented.Key words: load path importance factor, irregular structures, direction of loading, special requirements, drift limits.


1982 ◽  
Vol 1 (18) ◽  
pp. 136
Author(s):  
Ralph R. Clark

Since 1957, the State of Florida, U.S.A., has witnessed the evolution of coastal regulatory concepts based upon coastal engineering design guidance. In 1978, the Florida Legislature encouraged counties and municipalities to adopt coastal construction zoning and building codes to supplement the existing minimum codes which include the Standard Building Code, the National Building Code and the South Florida Building Code. Subsequently, coastal building code guidelines were developed to provide statewide uniformity in the adoption of supplemental codes by coastal counties and municipalities. It is the intent of this paper to present the structural design aspects required in a coastal building code using the code guidelines developed for and specifically applicable to Florida's coastal communities. These same design aspects and code guidance are applicable to most other state's or nation's developable sand shorelines which are subjected to coastal storm damage. The purpose of a coastal building code in Florida communities is to supplement the existing minimum code by providing the structural design standards for construction within that portion of the beach and dune system which is subject to substantial scour, erosion, flooding, and loads accompanying the impact of a major hurricane. A coastal building code includes structural design standards for the construction of residential structures, enclosed commercial structures, coastal and shore protection structures, and other substantial structures of a semi-permanent nature. Although the few minimum codes currently in effect in the coastal communities are comprehensive for conventional construction, they do not adequately address the special structural design considerations identified for the Florida coast. Along a developable coast, special design considerations are necessary for the preservation of the beach and dune systems, as well as, for the structural adequacy of the construction. The major concepts of coastal engineering design which are necessary in a coastal building code include: 1. Zone identification (horizontal and vertical). 2. Foundation design for erosion and scour. 3. Storm loading (including wind, waves, hydrostatic, and hydrodynamic loads).


1977 ◽  
Vol 4 (2) ◽  
pp. 271-277 ◽  
Author(s):  
F Hu

The following draft Commentary on the Design of Glass has been prepared under the auspices of the Associate Committee on the National Building Code and is now available for public comment from the Secretary of the Associate Committee.The draft Commentary is being published in Can. J. Civ. Eng. as a means of advising those interested engineers who might not normally be made aware of its existence through the medium of NBC/NFC News.The purpose of the Commentary is to make available to the designer detailed information to assist in the interpretation of Code requirements for the design of glass. Although there will be general requirements for glass design included in the 1977 NBC it was not possible to complete public review of the proposed Commentary in time for it to be published in the 1977 Code series. Instead it is intended that the Commentary be issued in the 1979 edition of Supplement No. 4, "Commentaries on Part 4 of the National Building Code".Readers are encouraged to submit comments on the Commentary and these should be sent directly to the Secretary of the Associate Committee. All comments received will be reviewed by the Standing Committee on Structural Design who are responsible to the Associate Committee for Part 4 Design of the NBC and Supplement No. 4.


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