Indirect crack control procedure for FRP-reinforced concrete beams and one-way slabs

Carlos E. Ospina, Charles E. Bakis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper reports an alternative model for flexural crack control of FRP-reinforced members in which, consistently with current ACI 318 recommendations for steel-reinforced members, cracks are controlled indirectly through a maximum bar spacing requirement instead of being calculated directly. The proposed procedure results from the impracticalities associated with direct crack width measurement in concrete structures due to the high variability of both concrete cracking and crack width measurements. The proposed model explicitly accounts for the dominant effects that bar cover, FRP reinforcement stress, stiffness and bond properties have on cracking of FRP-reinforced concrete beams and one-way slabs. The procedure is seen as a simplification of the existing ACI 440.1R-06 direct crack control recommendations for serviceability design of FRP-reinforced members, rather than a modification.

Original languageEnglish (US)
Title of host publicationComposites in Civil Engineering, CICE 2006
EditorsAmir Mirmiran, Antonio Nanni
PublisherInternational Institute for FRP in Construction (IIFC)
Pages535-538
Number of pages4
ISBN (Electronic)0615135862, 9780615135861
StatePublished - Jan 1 2020
Event3rd International Conference on Composites in Civil Engineering, CICE 2006 - Miami, United States
Duration: Dec 13 2006Dec 15 2006

Publication series

NameComposites in Civil Engineering, CICE 2006

Conference

Conference3rd International Conference on Composites in Civil Engineering, CICE 2006
CountryUnited States
CityMiami
Period12/13/0612/15/06

All Science Journal Classification (ASJC) codes

  • Surfaces and Interfaces

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  • Cite this

    Ospina, C. E., & Bakis, C. E. (2020). Indirect crack control procedure for FRP-reinforced concrete beams and one-way slabs. In A. Mirmiran, & A. Nanni (Eds.), Composites in Civil Engineering, CICE 2006 (pp. 535-538). (Composites in Civil Engineering, CICE 2006). International Institute for FRP in Construction (IIFC).