The structural design of reinforced concrete structures is facilitated by ACI 318, developed by experts in design and analysis. This document sets the minimum requirements for life safety.
It also deals with the durability of the structure by setting performance and prescriptive requirements on the concrete materials. The protections for sulphate exposure and permeability will be reviewed. In addition, there are numerous structures where the owner desires a defined service life. The definitions of service life, the environmental exposures and the performance and prescriptive requirements will be reviewed, with an emphasis on reliability engineering methods. ACI is currently developing a durability code to supplement the requirements of ACI 318. These topics will be reviewed in terms of specification and production of concrete where durability, not strength, is the governing durability criteria.