Flexural Behavior of Reactive Powder Concrete with Hybrid Section T- Beams

  • .Rafid Saeed Atea (Al-Furat Al-Awsat Technical University/Najaf Institute
Keywords: Reactive powder, Steel Fiber, Silica Fume

Abstract

Reactive powder concrete (RPC) is unique of the newest and greatest significant
improvements in constructions field , it has usual excessive kindness happening
current duration in the world owing toward its higher concrete properties , great
ductility, durability, imperfect shrinkage penalties, great opposition to corrosion
and abrasion. In this experimental investigation is carried out on the way to
revision the flexural behavior of RPC with Hybrid Section T- Beams and the
mechanical properties of this construction material. The experimental program
included testing five beams to examine the things of steel fiber volumetric ratio,
silica fume ratio, tensile steel ratio, hybrid section on flexural performance of RPC
T-beams. The study was focused on determining the first crack load (P
), ultimate
flexural strength (P
u
), ultimate deflection (Δ
), load-deflection behavior, letdown
mode, strain supply across the depth of the beams and crack pattern at failure. The
effects of steel fiber volumetric ratio and silica fume ratio were also considered in
studying the mechanical properties of RPC mixes. Moreover, a study of hybrid
beams exhibited that expending RPC happening web and normal concrete in
flange efficiently enhances the enactment of T- beams in comparison with normal
concrete T-beams and also studying hybrid beams exhibited that expending RPC
happening flange and normal concrete in web efficiently enhances the enactment
of T- beams in comparison with normal concrete T-beams.
Published
2019-04-18
Section
Articles