By J.L. Clarke
Metal has normally been integrated into concrete constructions to beat its restricted tensile power. Corrosion of the metal reinforcement or prestressing method is a huge challenge, fairly in competitive environments, with severe implications for the integrity and sturdiness of the concrete constitution. the most promising ways to this challenge contains substitute of the metal with man-made fibres. during this ebook, a global panel of authors offers an authoritative assessment of the topic, bringing jointly all features of the advance of different reinforcing fabrics, and describing their homes and world wide functions. Civil and structural engineers all in favour of concrete layout and building, fabrics researchers and complex scholars will locate this ebook a complete, up to date and worthy resource of reference.
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Extra resources for Alternative Materials for the Reinforcement and Prestressing of Concrete
Final draft, European Committee for Standardization, Brussels, 1991. ENV206, Concrete—Performance, production, placing and compliance criteria, European Committee for Standardization, Brussels, 1990. Japan Society of Civil Engineers, Standard Specification for design and construction of concrete structures, Part 1, Design, Tokyo, English translation 1986. ACI Committee 212, Admixtures for concrete and guide for use of admixtures in concrete. Concrete Int. May (1981) 24–25. 1. 301E, 1991. S. , Protection against chloride-induced corrosion.
Subsequent chapters consider specific aspects of design applicable to the particular material being discussed. The aim of this section is to review the design aspects in which there are likely to be significant differences and to identify areas in which research is required before alternative reinforcement can be used with full confidence. 2 Design criteria Design is carried out at the ultimate limit state, to ensure that the structure has adequate strength, and at the serviceability limit state to ensure that its behaviour is satisfactory during the intended design life.
4 Applications Stainless steel reinforcement has been used in a number of structures in aggressive environments. 6, and precast facing units for a property on the coast at Scarborough. In addition to their non-corroding properties, austenitic stainless steels are virtually non-magnetic. Hence, they are used near sensitive electronic equipment where a neutral magnetic environment is required. 5 Costs Stainless steel reinforcement is significantly more expensive than standard bar, possibly seven or eight times as much for the material as delivered to site.