Characterization of cracking in Strain-Hardening Cementitious Composites using the compact tension test

Eduardo B. Pereira, Gregor Fischer, Joaquim A. O. Barros

Research output: Contribution to conferencePaperResearchpeer-review

Abstract

The characterization of the tensile behavior of strain hardening cementitious composites (SHCC) is of significant importance to the material design. In a previous work the tensile stress-crack opening
response of different types of SHCC was characterized using notched specimens tested in direct tension, where a single crack was obtained and mechanically characterized by performing Single Crack Tension Test (SCTT). In this study the tensile behavior of SHCC materials is characterized under eccentric tensile load using the Compact Tension Test (CTT). The long edge notch placed in the rectangular plate specimens and the eccentrically applied tensile load create the local conditions necessary to the initiation of a single crack at the tip of the notch. Further propagation and opening of the crack in Mode I allow the assessment of the tensile load-displacement relationship. The experimental results are discussed and compared to the numerically derived responses. The tensile load-displacement responses observed in the CTTs were simulated using the cohesive crack model. The tensile stress-crack opening behaviors previously obtained with the SCTT tests were utilized to derive the traction-separation laws assigned to the interface elements. The results obtained with the CTT are analyzed and discussed, with special emphasis on the possibility of using the SCTT responses to predict the structural behavior of SHCC.
Original languageEnglish
Publication date2012
Number of pages12
Publication statusPublished - 2012
Event8th Rilem international symposium on fibre reinforced concrete : Challenges and Opportunities - Centro Cultural Vila Flor, Guimarães, Portugal
Duration: 19 Sep 201221 Sep 2012
Conference number: 8
http://www.befib2012.civil.uminho.pt/Default.aspx?tabid=1&pageid=29&lang=en-US

Conference

Conference8th Rilem international symposium on fibre reinforced concrete
Number8
LocationCentro Cultural Vila Flor
CountryPortugal
CityGuimarães
Period19/09/201221/09/2012
Internet address

Keywords

  • Tension
  • Crack
  • Composite
  • Fibers
  • Design

Fingerprint Dive into the research topics of 'Characterization of cracking in Strain-Hardening Cementitious Composites using the compact tension test'. Together they form a unique fingerprint.

Cite this