Masood Khan
Pavements made with HPFRCC.
Rel. Alessandro Pasquale Fantilli. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Civile, 2021
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Abstract
Concrete has been used widely in construction of roads, highways, industrial floors and pavements since early twentieth century. Different construction methods include placement of joints after specific distances to control the transverse and longitudinal cracking due to the development of tensile stresses caused by the shrinkage of concrete and environmental factors such as temperature variation and moisture gradient. Such joints result in reduced load carrying capacity, joint failure and damage to the pavement reinforcement. As an alternative, jointless pavements can be used to reduce the joints as much as possible by adding fibers in ordinary concrete which will increase the tensile strength of the concrete, hence avoiding cracks.
Stress strain models available for conventional concrete cannot be extended to UHPC or HPFRCC
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