Evaluation of tensile strength of unresin continuous carbon fiber cables as tensile reinforcement for concrete structures

Toshiaki Ohta, Rudy Djamaluddin, Sung Tag Seo, Takao Sajima, Koji Harada

研究成果: ジャーナルへの寄稿記事

抄録

As a tensile reinforcement of a concrete structure member, tensile strength of Unresin Continuous Carbon Fiber (UCCF) cables should be stated clearly. It has been reported that, through direct tensile test, tensile capacity of UCCF cables ranged from 30% to 35% for the cables made of 120 strings to 40 strings. By calculate the tensile strength of the cables using the total section area of cables it was found that the tensile strength of cables ranged form 1500 MPa to 1680 MPa. From the other studies, it was reported that it is impossible to use all fibers in a cables to sustain the applied load. The results indicated that the effective section area of the UCCF cables as a tensile reinforcement in concrete beams was 67%. So, the tensile strength reported before should be reevaluated using the consideration of the effective section area. This study present the evaluation of the tensile strength of UCCF cables for concrete structures. The effective section area of 1.5 reported in previous studies is used in evaluation and finally the relationship between tensile strength and the number of string of UCCF cables will be presented. To clarify more about the maximum tensile strength of UCCF cables, the experimental investigation under flexural test of under reinforced beams are carried out. The results indicated that there was a good agreement between the experimental recorded maximum tensile capacity with the predicted results.

元の言語英語
ページ(範囲)179-190
ページ数12
ジャーナルMemoirs of the Faculty of Engineering, Kyushu University
62
発行部数4
出版物ステータス出版済み - 12 1 2002
外部発表Yes

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concrete structure
tensile strength
Concrete construction
cable
reinforcement
Carbon fibers
Reinforcement
Cables
Tensile strength
evaluation
Evaluation
Carbon fiber
Cable
Concretes

All Science Journal Classification (ASJC) codes

  • Energy(all)
  • Atmospheric Science
  • Earth and Planetary Sciences(all)
  • Management of Technology and Innovation

これを引用

Evaluation of tensile strength of unresin continuous carbon fiber cables as tensile reinforcement for concrete structures. / Ohta, Toshiaki; Djamaluddin, Rudy; Seo, Sung Tag; Sajima, Takao; Harada, Koji.

:: Memoirs of the Faculty of Engineering, Kyushu University, 巻 62, 番号 4, 01.12.2002, p. 179-190.

研究成果: ジャーナルへの寄稿記事

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abstract = "As a tensile reinforcement of a concrete structure member, tensile strength of Unresin Continuous Carbon Fiber (UCCF) cables should be stated clearly. It has been reported that, through direct tensile test, tensile capacity of UCCF cables ranged from 30{\%} to 35{\%} for the cables made of 120 strings to 40 strings. By calculate the tensile strength of the cables using the total section area of cables it was found that the tensile strength of cables ranged form 1500 MPa to 1680 MPa. From the other studies, it was reported that it is impossible to use all fibers in a cables to sustain the applied load. The results indicated that the effective section area of the UCCF cables as a tensile reinforcement in concrete beams was 67{\%}. So, the tensile strength reported before should be reevaluated using the consideration of the effective section area. This study present the evaluation of the tensile strength of UCCF cables for concrete structures. The effective section area of 1.5 reported in previous studies is used in evaluation and finally the relationship between tensile strength and the number of string of UCCF cables will be presented. To clarify more about the maximum tensile strength of UCCF cables, the experimental investigation under flexural test of under reinforced beams are carried out. The results indicated that there was a good agreement between the experimental recorded maximum tensile capacity with the predicted results.",
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