Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature

M. Arazoe, T. Arai, S. Yamanobe, A. Kobayashi, Yasuhiko Sato

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

Abstract

Previously, beam bending tests had been conducted on strengthened RC beams with polyurea resin layer, which has low elastic modulus and high elongation, between the CFRP strand sheet (strand sheet for short) and concrete surface. It was found out that polyurea resin layer improves the bonding ability between the strand sheet and concrete surface. In this study, in order to examine the bonding ability of strand sheets with polyurea resin layer, a series of bonding test was carried out. Especially to verify the applicability of this method at elevated temperature for structure such as a chimney, bonding test at different temperature were selected. As a result, it was found out that bonding strength with polyurea resin was about 2.8 times more than that without polyurea resin at room temperature. Furthermore, it was found out that sufficient bonding performance can be achieved even at high temperature.

Original languageEnglish
Title of host publicationLife-Cycle of Structural Systems
Subtitle of host publicationDesign, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014
PublisherCRC Press/Balkema
Pages1305-1312
Number of pages8
ISBN (Print)9781138001206
Publication statusPublished - 2015 Jan 1
Externally publishedYes
Event4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014 - Tokyo, Japan
Duration: 2014 Nov 162014 Nov 19

Other

Other4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014
CountryJapan
CityTokyo
Period14/11/1614/11/19

Fingerprint

Resins
Temperature
Concretes
Chimneys
Carbon fiber reinforced plastics
Bending tests
Elongation
Elastic moduli

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Safety, Risk, Reliability and Quality

Cite this

Arazoe, M., Arai, T., Yamanobe, S., Kobayashi, A., & Sato, Y. (2015). Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature. In Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014 (pp. 1305-1312). CRC Press/Balkema.

Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature. / Arazoe, M.; Arai, T.; Yamanobe, S.; Kobayashi, A.; Sato, Yasuhiko.

Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014. CRC Press/Balkema, 2015. p. 1305-1312.

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

Arazoe, M, Arai, T, Yamanobe, S, Kobayashi, A & Sato, Y 2015, Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature. in Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014. CRC Press/Balkema, pp. 1305-1312, 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014, Tokyo, Japan, 14/11/16.
Arazoe M, Arai T, Yamanobe S, Kobayashi A, Sato Y. Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature. In Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014. CRC Press/Balkema. 2015. p. 1305-1312
Arazoe, M. ; Arai, T. ; Yamanobe, S. ; Kobayashi, A. ; Sato, Yasuhiko. / Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature. Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014. CRC Press/Balkema, 2015. pp. 1305-1312
@inproceedings{59101afc18204370b42baa2ea9085642,
title = "Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature",
abstract = "Previously, beam bending tests had been conducted on strengthened RC beams with polyurea resin layer, which has low elastic modulus and high elongation, between the CFRP strand sheet (strand sheet for short) and concrete surface. It was found out that polyurea resin layer improves the bonding ability between the strand sheet and concrete surface. In this study, in order to examine the bonding ability of strand sheets with polyurea resin layer, a series of bonding test was carried out. Especially to verify the applicability of this method at elevated temperature for structure such as a chimney, bonding test at different temperature were selected. As a result, it was found out that bonding strength with polyurea resin was about 2.8 times more than that without polyurea resin at room temperature. Furthermore, it was found out that sufficient bonding performance can be achieved even at high temperature.",
author = "M. Arazoe and T. Arai and S. Yamanobe and A. Kobayashi and Yasuhiko Sato",
year = "2015",
month = "1",
day = "1",
language = "English",
isbn = "9781138001206",
pages = "1305--1312",
booktitle = "Life-Cycle of Structural Systems",
publisher = "CRC Press/Balkema",

}

TY - GEN

T1 - Bond behaviors of RC strengthened with polyurea resin and CF sheet at high temperature

AU - Arazoe, M.

AU - Arai, T.

AU - Yamanobe, S.

AU - Kobayashi, A.

AU - Sato, Yasuhiko

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Previously, beam bending tests had been conducted on strengthened RC beams with polyurea resin layer, which has low elastic modulus and high elongation, between the CFRP strand sheet (strand sheet for short) and concrete surface. It was found out that polyurea resin layer improves the bonding ability between the strand sheet and concrete surface. In this study, in order to examine the bonding ability of strand sheets with polyurea resin layer, a series of bonding test was carried out. Especially to verify the applicability of this method at elevated temperature for structure such as a chimney, bonding test at different temperature were selected. As a result, it was found out that bonding strength with polyurea resin was about 2.8 times more than that without polyurea resin at room temperature. Furthermore, it was found out that sufficient bonding performance can be achieved even at high temperature.

AB - Previously, beam bending tests had been conducted on strengthened RC beams with polyurea resin layer, which has low elastic modulus and high elongation, between the CFRP strand sheet (strand sheet for short) and concrete surface. It was found out that polyurea resin layer improves the bonding ability between the strand sheet and concrete surface. In this study, in order to examine the bonding ability of strand sheets with polyurea resin layer, a series of bonding test was carried out. Especially to verify the applicability of this method at elevated temperature for structure such as a chimney, bonding test at different temperature were selected. As a result, it was found out that bonding strength with polyurea resin was about 2.8 times more than that without polyurea resin at room temperature. Furthermore, it was found out that sufficient bonding performance can be achieved even at high temperature.

UR - http://www.scopus.com/inward/record.url?scp=84941248610&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84941248610&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:84941248610

SN - 9781138001206

SP - 1305

EP - 1312

BT - Life-Cycle of Structural Systems

PB - CRC Press/Balkema

ER -