Fatigue tests on notched steel beams strengthened with CFRP laminates

Q.Q. Yu; Y.F. Wu

Fatigue tests on notched steel beams strengthened with CFRP laminates

Q.Q. Yu
, Y.F. Wu

Department of Architecture and Civil Engineering

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

Abstract

In recent years, externally bonded Carbon Fibre Reinforced Polymer (CFRP) has been considered as an innovative way for steel structure retrofitting attributed to the high strength-to-weight ratio, excellent corrosion resistance and fatigue performance. This paper presents an experimental study on the fatigue behaviour of steel beams strengthened with CFRP laminates, with special focus on the efficiency of mechanical anchorage combined with adhesive bonding. Two types of structural adhesives and two types of anchors were selected. For adhesive bonded specimens, cohesive failure happened while CFRP rupture was observed for specimens with both adhesive bonding and mechanical anchorage, which indicated that the CFRP materials were better utilized in the latter specimens. In comparison with adhesive bonded specimens, the fatigue life of the specimens with extra mechanical anchorage was significantly extended. It is therefore demonstrated that the anchorage system was effective to improve the fatigue behaviour of cracked steel beams.

Original language	English
Title of host publication	Mechanics of Structures and Materials
Subtitle of host publication	Advancements and Challenges - PROCEEDINGS OF THE 24^TH AUSTRALASIAN CONFERENCE ON THE MECHANICS OF STRUCTURES AND MATERIALS (ACMSM24), PERTH, AUSTRALIA, 6–9 DECEMBER 2016
Editors	Hong Hao, Chunwei Zhang
Publisher	CRC Press/Balkema
Pages	201-206
Volume	1
ISBN (Electronic)	9781315226460
ISBN (Print)	9781138029934
Publication status	Published - Dec 2016
Event	24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016) - Perth, Australia Duration: 6 Dec 2016 → 9 Dec 2016 http://scieng.curtin.edu.au/wp-content/uploads/sites/7/2016/11/ACMSM24_program_REV4.pdf

Conference

Conference	24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016)
Place	Australia
City	Perth
Period	6/12/16 → 9/12/16
Internet address	http://scieng.curtin.edu.au/wp-content/uploads/sites/7/2016/11/ACMSM24_program_REV4.pdf

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Yu, Q. Q., & Wu, Y. F. (2016). Fatigue tests on notched steel beams strengthened with CFRP laminates. In H. Hao, & C. Zhang (Eds.), Mechanics of Structures and Materials: Advancements and Challenges - PROCEEDINGS OF THE 24^TH AUSTRALASIAN CONFERENCE ON THE MECHANICS OF STRUCTURES AND MATERIALS (ACMSM24), PERTH, AUSTRALIA, 6–9 DECEMBER 2016 (Vol. 1, pp. 201-206). CRC Press/Balkema.

Yu, Q.Q. ; Wu, Y.F. / Fatigue tests on notched steel beams strengthened with CFRP laminates. Mechanics of Structures and Materials: Advancements and Challenges - PROCEEDINGS OF THE 24^TH AUSTRALASIAN CONFERENCE ON THE MECHANICS OF STRUCTURES AND MATERIALS (ACMSM24), PERTH, AUSTRALIA, 6–9 DECEMBER 2016. editor / Hong Hao ; Chunwei Zhang. Vol. 1 CRC Press/Balkema, 2016. pp. 201-206

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title = "Fatigue tests on notched steel beams strengthened with CFRP laminates",

abstract = "In recent years, externally bonded Carbon Fibre Reinforced Polymer (CFRP) has been considered as an innovative way for steel structure retrofitting attributed to the high strength-to-weight ratio, excellent corrosion resistance and fatigue performance. This paper presents an experimental study on the fatigue behaviour of steel beams strengthened with CFRP laminates, with special focus on the efficiency of mechanical anchorage combined with adhesive bonding. Two types of structural adhesives and two types of anchors were selected. For adhesive bonded specimens, cohesive failure happened while CFRP rupture was observed for specimens with both adhesive bonding and mechanical anchorage, which indicated that the CFRP materials were better utilized in the latter specimens. In comparison with adhesive bonded specimens, the fatigue life of the specimens with extra mechanical anchorage was significantly extended. It is therefore demonstrated that the anchorage system was effective to improve the fatigue behaviour of cracked steel beams.",

author = "Q.Q. Yu and Y.F. Wu",

year = "2016",

month = dec,

language = "English",

isbn = "9781138029934",

volume = "1",

pages = "201--206",

editor = "Hong Hao and Chunwei Zhang",

booktitle = "Mechanics of Structures and Materials",

publisher = "CRC Press/Balkema",

note = "24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016) ; Conference date: 06-12-2016 Through 09-12-2016",

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Yu, QQ & Wu, YF 2016, Fatigue tests on notched steel beams strengthened with CFRP laminates. in H Hao & C Zhang (eds), Mechanics of Structures and Materials: Advancements and Challenges - PROCEEDINGS OF THE 24^TH AUSTRALASIAN CONFERENCE ON THE MECHANICS OF STRUCTURES AND MATERIALS (ACMSM24), PERTH, AUSTRALIA, 6–9 DECEMBER 2016. vol. 1, CRC Press/Balkema, pp. 201-206, 24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016), Perth, Western Australia, Australia, 6/12/16.

Fatigue tests on notched steel beams strengthened with CFRP laminates. / Yu, Q.Q.; Wu, Y.F.
Mechanics of Structures and Materials: Advancements and Challenges - PROCEEDINGS OF THE 24^TH AUSTRALASIAN CONFERENCE ON THE MECHANICS OF STRUCTURES AND MATERIALS (ACMSM24), PERTH, AUSTRALIA, 6–9 DECEMBER 2016. ed. / Hong Hao; Chunwei Zhang. Vol. 1 CRC Press/Balkema, 2016. p. 201-206.

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

TY - GEN

T1 - Fatigue tests on notched steel beams strengthened with CFRP laminates

AU - Yu, Q.Q.

AU - Wu, Y.F.

PY - 2016/12

Y1 - 2016/12

N2 - In recent years, externally bonded Carbon Fibre Reinforced Polymer (CFRP) has been considered as an innovative way for steel structure retrofitting attributed to the high strength-to-weight ratio, excellent corrosion resistance and fatigue performance. This paper presents an experimental study on the fatigue behaviour of steel beams strengthened with CFRP laminates, with special focus on the efficiency of mechanical anchorage combined with adhesive bonding. Two types of structural adhesives and two types of anchors were selected. For adhesive bonded specimens, cohesive failure happened while CFRP rupture was observed for specimens with both adhesive bonding and mechanical anchorage, which indicated that the CFRP materials were better utilized in the latter specimens. In comparison with adhesive bonded specimens, the fatigue life of the specimens with extra mechanical anchorage was significantly extended. It is therefore demonstrated that the anchorage system was effective to improve the fatigue behaviour of cracked steel beams.

AB - In recent years, externally bonded Carbon Fibre Reinforced Polymer (CFRP) has been considered as an innovative way for steel structure retrofitting attributed to the high strength-to-weight ratio, excellent corrosion resistance and fatigue performance. This paper presents an experimental study on the fatigue behaviour of steel beams strengthened with CFRP laminates, with special focus on the efficiency of mechanical anchorage combined with adhesive bonding. Two types of structural adhesives and two types of anchors were selected. For adhesive bonded specimens, cohesive failure happened while CFRP rupture was observed for specimens with both adhesive bonding and mechanical anchorage, which indicated that the CFRP materials were better utilized in the latter specimens. In comparison with adhesive bonded specimens, the fatigue life of the specimens with extra mechanical anchorage was significantly extended. It is therefore demonstrated that the anchorage system was effective to improve the fatigue behaviour of cracked steel beams.

UR - https://www.scopus.com/pages/publications/85035065747

UR - https://www.scopus.com/pages/publications/85035065747#tab=impact

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

SN - 9781138029934

VL - 1

SP - 201

EP - 206

BT - Mechanics of Structures and Materials

A2 - Hao, Hong

A2 - Zhang, Chunwei

PB - CRC Press/Balkema

T2 - 24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM 2016)

Y2 - 6 December 2016 through 9 December 2016

ER -

Fatigue tests on notched steel beams strengthened with CFRP laminates

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