Civil Engineering Association

The aim of this International Standard is to provide rules for the design and construction of low-rise concrete
structures of small area to be built in the less developed areas of the world. The document is developed for
countries that do not have existing national standards. This document shall not be used in place of a national
standard unless specifically considered and accepted by the national standard body or other appropriate
regulartory organization. The design rules are based in simplified worldwide-accepted strength models. The
document is self-contained; therefore actions (loads) and simplified analysis procedures are included, as well as
minimum acceptable construction practice guidelines.
The minimum dimensional guidelines contained in this document are intended to account for undesirable side
effects that will require more sophisticated analysis and design procedures. Material and construction guidelines
are aimed at site mixed concrete as well as ready-mixed concrete, and steel of the minimum available strength
grades.
The earthquake resistance guidelines are included to account for the fact that numerous underdeveloped regions
of the world lay in earthquake prone areas. The earthquake resistance is based upon the employment of structural
concrete walls (shear walls) that limit the lateral deformations of the structure and provide for its lateral strength.
The document contains guidelines that can be modified by the national standards body due to local design and
construction requirements and practices. These guidelines that can be modified are included using ["boxed
values"]. The authorities in each member country are expected to review the "boxed values" and may substitute
alternative definitive values for these elements for use in the national application of the document.
A great effort was made to include self-explanatory tables, graphics, and design aids to simplify the use of the
document and provide foolproof procedures. Notwithstanding, the economic implications of the conservatism
inherent in approximate procedures as a substitution to sound and experienced engineering should be a matter of
concern to the designer that employs the document, and to the owner that hires him.






link by AG. NAYEL

ISO Standard Guidelines for the Simplified Design of Structural Reinforced Concrete

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