SOME REMARKS ABOUT CHEMICAL PRESTRESSING OF FRP REINFORCEMENT
DOI:
https://doi.org/10.36773/1818-1112-2021-126-3-21-30Keywords:
self-stressing concrete, FRP reinforcement, textile, restraint strainAbstract
In last years has been observed a new wave of interest in the research and practical use of self-stressing concrete, now in combination with various
types of non-traditional reinforcement. One of the widely used types of these reinforcements is FRP bars and long fibers (textile). We connect the major
problems of FRP reinforcement using as a structural reinforcement with the development of exceeding deflections as well as crack opening under service
loads. One of the most effective methods for its performance enhancing is chemical pre-stressing with self-stressing concrete. When self-stressing
concrete matrix combined with textile forms a new composite material, namely according to Boxing Wang et al., textile -reinforced self-stressing concrete
(TRSSC). This paper presents a critical analysis of some basic assumptions of the proposed models for assessment restraint strains/self-stresses
distribution and calculation method of cracking load and deflection of textile reinforced self-stressing concrete.
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