Replacement of Deformed Side-Face Steel Reinforcement in Deep Beams With Steel Fibers

Robin G. Tuchscherer, Alejandra Quesada

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


The purpose of this study was to quantify the amount of steel fibers needed to supplement the minimum distributed side face reinforcement requirement for deep beams. The ability of steel fibers to supplant conventional reinforcement was quantified in terms of the serviceability performance or maximum diagonal crack width measured during testing. To achieve the goal of this study, the research plan included the fabrication and testing of nine 300. mm wide by 460. mm deep specimens with a shear span-to-depth ratio of 1.8. Experimental variables included the volumetric percentage of steel fibers and transverse web reinforcement. The diagonal crack widths for specimens were compared with one another and this relationship was used to quantify their serviceability performance. Upon completion of the proposed study, the authors observed that the serviceability performance of deep beams reinforced solely with fibers was equivalent to beams reinforced solely with conventional web reinforcement. The performance of beams reinforced with a combination of steel fibers and conventional reinforcement was further improved. These results provide preliminary support for replacing conventional web reinforcement in deep beams with steel fibers.

Original languageEnglish (US)
Pages (from-to)130-136
Number of pages7
StatePublished - Aug 1 2015


  • Crack widths
  • Deep beam
  • Serviceability
  • Steel fiber reinforcement
  • Web reinforcement

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Safety, Risk, Reliability and Quality


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