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Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates

Reinforced concrete structure has suffered severe degradation due to the combined effects of aggressive environments and significantly increased live load. Furthermore, many concrete civil infrastructures such as buildings and bridges are not designed to resist highly impulsive load such as blast or...

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Main Author: Suhaimi, Nurul Mirrikh
Format: Final Year Project
Language:English
Published: IRC 2014
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://utpedia.utp.edu.my/14608/1/NURUL%20MIRRIKH_14509_FYPII%20-%20Final%20Dissertation.pdf
http://utpedia.utp.edu.my/14608/
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spelling my-utp-utpedia.146082017-01-25T09:36:54Z http://utpedia.utp.edu.my/14608/ Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates Suhaimi, Nurul Mirrikh TA Engineering (General). Civil engineering (General) Reinforced concrete structure has suffered severe degradation due to the combined effects of aggressive environments and significantly increased live load. Furthermore, many concrete civil infrastructures such as buildings and bridges are not designed to resist highly impulsive load such as blast or impact. As a result, the structures will progressively fail when subjected to high strain rates loading such as impact or explosion. In the uncertain times facing us these days such infrastructures need to be less susceptible by using a material with high energy absorption capacity, such as Ultra-high performance reinforced concrete (UHPFRC). UHPFRC is a new class of cement composite and is characterized by highly dense microstructure and very high compressive strength more than 150 MPa. Therefore, the aim of this research is to investigate the strain rate effects on flexural strength of UHPFRC and to develop a better understanding about the behavior of UHPFRC under different loading rates. The response of UHPFRC was determined from 3-point bending test which applied three different loading rates which are 0.1 kN/s, 0.5 kN/s, and 1.0 kN/s. Besides, the behavior of UHPFRC under different loading rates is also discussed as the volume ratio of steel fibers, Vf is varies from 0% to 3%. From this study, higher fiber volume ratio results in higher flexural strength and the flexural strength of UHPFRC is increasing as higher loading rates are applied. Based on the excellence performance of UHPFRC, its behavior appears to make it an ideal material for resisting high strain rates effects. IRC 2014-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/14608/1/NURUL%20MIRRIKH_14509_FYPII%20-%20Final%20Dissertation.pdf Suhaimi, Nurul Mirrikh (2014) Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates. IRC, Universiti Teknologi PETRONAS. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Suhaimi, Nurul Mirrikh
Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates
description Reinforced concrete structure has suffered severe degradation due to the combined effects of aggressive environments and significantly increased live load. Furthermore, many concrete civil infrastructures such as buildings and bridges are not designed to resist highly impulsive load such as blast or impact. As a result, the structures will progressively fail when subjected to high strain rates loading such as impact or explosion. In the uncertain times facing us these days such infrastructures need to be less susceptible by using a material with high energy absorption capacity, such as Ultra-high performance reinforced concrete (UHPFRC). UHPFRC is a new class of cement composite and is characterized by highly dense microstructure and very high compressive strength more than 150 MPa. Therefore, the aim of this research is to investigate the strain rate effects on flexural strength of UHPFRC and to develop a better understanding about the behavior of UHPFRC under different loading rates. The response of UHPFRC was determined from 3-point bending test which applied three different loading rates which are 0.1 kN/s, 0.5 kN/s, and 1.0 kN/s. Besides, the behavior of UHPFRC under different loading rates is also discussed as the volume ratio of steel fibers, Vf is varies from 0% to 3%. From this study, higher fiber volume ratio results in higher flexural strength and the flexural strength of UHPFRC is increasing as higher loading rates are applied. Based on the excellence performance of UHPFRC, its behavior appears to make it an ideal material for resisting high strain rates effects.
format Final Year Project
author Suhaimi, Nurul Mirrikh
author_facet Suhaimi, Nurul Mirrikh
author_sort Suhaimi, Nurul Mirrikh
title Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates
title_short Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates
title_full Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates
title_fullStr Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates
title_full_unstemmed Experimental Study on Structural Behavior of UHPFRC Members under Different Strain Rates
title_sort experimental study on structural behavior of uhpfrc members under different strain rates
publisher IRC
publishDate 2014
url http://utpedia.utp.edu.my/14608/1/NURUL%20MIRRIKH_14509_FYPII%20-%20Final%20Dissertation.pdf
http://utpedia.utp.edu.my/14608/
_version_ 1739832023783047168
score 13.211869

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