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Size Effect On Fracture Properties Of Self-compacting Concrete Beams Using Dic Technique

Submitted2017-06-11
Last Update2017-06-11
TitleSize Effect On Fracture Properties Of Self-compacting Concrete Beams Using Dic Technique
Author(s)Author #1
Author title:
Name: Bhavin Patel
Org: S. V. National Institute of Technology, Surat, India
Country:
Email: bhavinpatel2000@gmail.com

Author #2
Author title:
Name: Yogendra Tandel
Org: GIDC Degree, Engineering College, Navsari, India.
Country:
Email: ykt.ced@gdec.in

Author #3
Author title:
Name: Atul Desai
Org: Professor, Applied Mechanics Department, S. V. National Institute of Technology, India
Country:
Email: akd@amd.svnit.ac.in

Author #4
Author title:
Name: Santosh Shah
Org: Professor, Civil Eng. Dept., ITM Universe, India.
Country:
Email: santoshgshah@gmail.com

Other Author(s)
Contact AuthorAuthor #1
Alt Email: bhavinpatel2000@gmail.com
Telephone:
KeywordsSelf-compacting concrete, Experiments, Beam, Crack opening, Size effect, Digital image correlation
AbstractThe main objective of this study is to develop a new measurement technique without touching the measured object. Digital Image Correlation (DIC) is an advanced measurement technique used to measure the displacement of particles with very high accuracy. This powerful innovative technique is used to correlate two image segments to determine the similarity between them. For this study, three geometrically similar beam specimens of different sizes were cast and tested under three-point bending in a closed loop servo-controlled machine with crack mouth opening displacement control with a rate of opening of 0.0005 mm/sec. Digital images were captured before loading (unreformed state) and at different instances of loading and analyzed using correlation techniques to compute surface displacement, crack opening and sliding displacement, loadpoint displacement, crack length and crack tip location. It was seen that crack mouth opening displacement and vertical load-point displacement computed using DIC analysis match well with those experimentally measured.
Paperview paper 3976.pdf (510KB)

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