By J.L. Clarke
Metal has typically been integrated into concrete buildings to beat its restricted tensile power. Corrosion of the metal reinforcement or prestressing method is an enormous challenge, quite in competitive environments, with severe implications for the integrity and sturdiness of the concrete constitution. probably the most promising ways to this challenge includes alternative of the metal with man-made fibres. during this e-book, a global panel of authors offers an authoritative evaluate of the topic, bringing jointly all points of the advance of different reinforcing fabrics, and describing their houses and world wide functions. Civil and structural engineers curious about concrete layout and development, fabrics researchers and complicated scholars will locate this e-book a entire, updated and useful resource of reference.
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Extra resources for Alternative Materials for the Reinforcement and Prestressing of Concrete
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The significant design aspects are as follows: 1. Ultimate: bending; shear; torsion; fatigue. 2. Serviceability: deflections; crack widths; cover to reinforcement; fire. Each is considered in turn. In addition, there are aspects of detailing that could influence the behaviour at both ultimate and service loads. 3 Bending Failure of a reinforced or prestressed concrete member in bending is due to yield/ rupture of the reinforcement or crushing of the concrete. Knowing the stressstrain behaviour of the alternative material, the bending response could be easily determined from first principles.
If the steel is replaced by nonferrous material, the present design approaches may need to be modified to take account of the different material properties. 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.
Alternative Materials for the Reinforcement and Prestressing of Concrete by J.L. Clarke