Ductility and shear strength enhancement by fiber sheet with large fracturing strain

Tamon Ueda; Dhannyanto Anggawidjaja; Mineo Senda; Hiroshi Nakai; Jianguo Dai

Ductility and shear strength enhancement by fiber sheet with large fracturing strain

Tamon Ueda, Dhannyanto Anggawidjaja, Mineo Senda, Hiroshi Nakai, Jianguo Dai

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

2 Citations (Scopus)

Abstract

Recently the authors have developed a jacketing method with fiber sheet whose fracturing strain is higher and stiffness is lower than those of commonly used fibers namely carbon aramid and glass. The fiber is Polyethylene Terephthalate (PET) and Polyethylene Naphthalate (PEN). In this paper results from a series of experiments on ductility and shear strength enhancement are presented. Fifteen specimens, modelled after a typical bridge pier, with PET and PEN sheet jacketing were tested under a reversed cyclic loading until the ultimate ductility was attained. The stiffness of PET and PEN sheet is smaller than that of carbon sheet to achieve a similar ultimate ductility. Two specimens tested for shear strength enhancement showed a higher shear strength and more ductile manner than a companion specimen with carbon fiber sheets. A good control of shear deformation by the un-fractured sheet is a primary reason to enhance the ductility and shear strength which cannot be predicted by the existing formula derived from results of tests with carbon and aramid fibers. Due to its good features and lower cost, the jacketing with PET and PEN sheet is adopted as a seismic retrofitting method for railway structures in Japan.

Original language	English
Title of host publication	Proceedings - Composites in Civil Engineering (CICE2006)
Editors	Amir Mirmiran, Antonio Nanni
Publisher	International Institute for FRP in Construction (IIFC)
Pages	589-592
Number of pages	4
ISBN (Electronic)	0-615-13586-2
Publication status	Published - Dec 2006
Externally published	Yes
Event	3rd International Conference on Composites in Civil Engineering (CICE 2006) - Miami, United States Duration: 13 Dec 2006 → 15 Dec 2006

Publication series

Name	Composites in Civil Engineering, CICE

Conference

Conference	3rd International Conference on Composites in Civil Engineering (CICE 2006)
Abbreviated title	CICE2006
Place	United States
City	Miami
Period	13/12/06 → 15/12/06

Funding

The project sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry. The authors also would like to thank the support from Scientific Research Foundation from Qing Hai Science & Technology Department of China (2005G155) and Nanjing Construction Committee of China.

Research Keywords

Ductility
FRP sheet
Jacketing
Large fracturing strain
Shear strength

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Ueda, T., Anggawidjaja, D., Senda, M., Nakai, H., & Dai, J. (2006). Ductility and shear strength enhancement by fiber sheet with large fracturing strain. In A. Mirmiran, & A. Nanni (Eds.), Proceedings - Composites in Civil Engineering (CICE2006) (pp. 589-592). (Composites in Civil Engineering, CICE ). International Institute for FRP in Construction (IIFC). https://www.iifc.org/publications-resources/proceedings/

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title = "Ductility and shear strength enhancement by fiber sheet with large fracturing strain",

abstract = "Recently the authors have developed a jacketing method with fiber sheet whose fracturing strain is higher and stiffness is lower than those of commonly used fibers namely carbon aramid and glass. The fiber is Polyethylene Terephthalate (PET) and Polyethylene Naphthalate (PEN). In this paper results from a series of experiments on ductility and shear strength enhancement are presented. Fifteen specimens, modelled after a typical bridge pier, with PET and PEN sheet jacketing were tested under a reversed cyclic loading until the ultimate ductility was attained. The stiffness of PET and PEN sheet is smaller than that of carbon sheet to achieve a similar ultimate ductility. Two specimens tested for shear strength enhancement showed a higher shear strength and more ductile manner than a companion specimen with carbon fiber sheets. A good control of shear deformation by the un-fractured sheet is a primary reason to enhance the ductility and shear strength which cannot be predicted by the existing formula derived from results of tests with carbon and aramid fibers. Due to its good features and lower cost, the jacketing with PET and PEN sheet is adopted as a seismic retrofitting method for railway structures in Japan.",

keywords = "Ductility, FRP sheet, Jacketing, Large fracturing strain, Shear strength",

author = "Tamon Ueda and Dhannyanto Anggawidjaja and Mineo Senda and Hiroshi Nakai and Jianguo Dai",

note = "Publisher Copyright: {\textcopyright} 2006 Composites in Civil Engineering, CICE 2006. All rights reserved.; 3rd International Conference on Composites in Civil Engineering (CICE 2006), CICE2006 ; Conference date: 13-12-2006 Through 15-12-2006",

year = "2006",

month = dec,

language = "English",

series = "Composites in Civil Engineering, CICE ",

publisher = "International Institute for FRP in Construction (IIFC)",

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Ueda, T, Anggawidjaja, D, Senda, M, Nakai, H & Dai, J 2006, Ductility and shear strength enhancement by fiber sheet with large fracturing strain. in A Mirmiran & A Nanni (eds), Proceedings - Composites in Civil Engineering (CICE2006). Composites in Civil Engineering, CICE , International Institute for FRP in Construction (IIFC), pp. 589-592, 3rd International Conference on Composites in Civil Engineering (CICE 2006), Miami, Florida, United States, 13/12/06. <https://www.iifc.org/publications-resources/proceedings/>

Ductility and shear strength enhancement by fiber sheet with large fracturing strain. / Ueda, Tamon; Anggawidjaja, Dhannyanto; Senda, Mineo et al.
Proceedings - Composites in Civil Engineering (CICE2006). ed. / Amir Mirmiran; Antonio Nanni. International Institute for FRP in Construction (IIFC), 2006. p. 589-592 (Composites in Civil Engineering, CICE ).

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

TY - GEN

T1 - Ductility and shear strength enhancement by fiber sheet with large fracturing strain

AU - Ueda, Tamon

AU - Anggawidjaja, Dhannyanto

AU - Senda, Mineo

AU - Nakai, Hiroshi

AU - Dai, Jianguo

PY - 2006/12

Y1 - 2006/12

N2 - Recently the authors have developed a jacketing method with fiber sheet whose fracturing strain is higher and stiffness is lower than those of commonly used fibers namely carbon aramid and glass. The fiber is Polyethylene Terephthalate (PET) and Polyethylene Naphthalate (PEN). In this paper results from a series of experiments on ductility and shear strength enhancement are presented. Fifteen specimens, modelled after a typical bridge pier, with PET and PEN sheet jacketing were tested under a reversed cyclic loading until the ultimate ductility was attained. The stiffness of PET and PEN sheet is smaller than that of carbon sheet to achieve a similar ultimate ductility. Two specimens tested for shear strength enhancement showed a higher shear strength and more ductile manner than a companion specimen with carbon fiber sheets. A good control of shear deformation by the un-fractured sheet is a primary reason to enhance the ductility and shear strength which cannot be predicted by the existing formula derived from results of tests with carbon and aramid fibers. Due to its good features and lower cost, the jacketing with PET and PEN sheet is adopted as a seismic retrofitting method for railway structures in Japan.

AB - Recently the authors have developed a jacketing method with fiber sheet whose fracturing strain is higher and stiffness is lower than those of commonly used fibers namely carbon aramid and glass. The fiber is Polyethylene Terephthalate (PET) and Polyethylene Naphthalate (PEN). In this paper results from a series of experiments on ductility and shear strength enhancement are presented. Fifteen specimens, modelled after a typical bridge pier, with PET and PEN sheet jacketing were tested under a reversed cyclic loading until the ultimate ductility was attained. The stiffness of PET and PEN sheet is smaller than that of carbon sheet to achieve a similar ultimate ductility. Two specimens tested for shear strength enhancement showed a higher shear strength and more ductile manner than a companion specimen with carbon fiber sheets. A good control of shear deformation by the un-fractured sheet is a primary reason to enhance the ductility and shear strength which cannot be predicted by the existing formula derived from results of tests with carbon and aramid fibers. Due to its good features and lower cost, the jacketing with PET and PEN sheet is adopted as a seismic retrofitting method for railway structures in Japan.

KW - Ductility

KW - FRP sheet

KW - Jacketing

KW - Large fracturing strain

KW - Shear strength

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M3 - RGC 32 - Refereed conference paper (with host publication)

AN - SCOPUS:84923365558

T3 - Composites in Civil Engineering, CICE

SP - 589

EP - 592

BT - Proceedings - Composites in Civil Engineering (CICE2006)

A2 - Mirmiran, Amir

A2 - Nanni, Antonio

PB - International Institute for FRP in Construction (IIFC)

T2 - 3rd International Conference on Composites in Civil Engineering (CICE 2006)

Y2 - 13 December 2006 through 15 December 2006

ER -

Ductility and shear strength enhancement by fiber sheet with large fracturing strain

Abstract

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Research Keywords

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