JP2005089198A5 - - Google Patents

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Publication number
JP2005089198A5
JP2005089198A5 JP2003320750A JP2003320750A JP2005089198A5 JP 2005089198 A5 JP2005089198 A5 JP 2005089198A5 JP 2003320750 A JP2003320750 A JP 2003320750A JP 2003320750 A JP2003320750 A JP 2003320750A JP 2005089198 A5 JP2005089198 A5 JP 2005089198A5
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JP
Japan
Prior art keywords
shaft portion
core shaft
short fiber
synthetic resin
concrete
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JP2003320750A
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Japanese (ja)
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JP3777373B2 (en
JP2005089198A (en
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Priority to JP2003320750A priority Critical patent/JP3777373B2/en
Priority claimed from JP2003320750A external-priority patent/JP3777373B2/en
Publication of JP2005089198A publication Critical patent/JP2005089198A/en
Publication of JP2005089198A5 publication Critical patent/JP2005089198A5/ja
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Publication of JP3777373B2 publication Critical patent/JP3777373B2/en
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Expired - Lifetime legal-status Critical Current

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Claims (4)

合成樹脂にて形成された芯軸部と、前記芯軸部と一体に前記芯軸部の外周に形成された突起部とを有してなるコンクリート補強用短繊維であって、
前記芯軸部は幅Ｗが厚さｔよりも大きい略長方形断面に形成され、その換算直径ｄ＝２(Ｗ＋ｔ)／πが０.２ｍｍ〜２ｍｍであることを特徴とするコンクリート補強用短繊維。 A concrete reinforcing short fiber having a core shaft portion formed of a synthetic resin and a protrusion formed integrally with the core shaft portion on an outer periphery of the core shaft portion,
The core shaft portion is formed in a substantially rectangular cross section having a width W larger than the thickness t, and a converted diameter d = 2 (W + t) / π is 0.2 mm to 2 mm. . 合成樹脂にて形成された芯軸部と、前記芯軸部と一体に前記芯軸部の外周に形成された突起部とを有してなるコンクリート補強用短繊維であって、
前記芯軸部は幅Ｗが厚さｔよりも大きい略長方形断面に形成され、その扁平率Ｗ／ｔが３〜６であることを特徴とするコンクリート補強用短繊維。 A concrete reinforcing short fiber having a core shaft portion formed of a synthetic resin and a protrusion formed integrally with the core shaft portion on an outer periphery of the core shaft portion,
The core shaft portion is formed in a substantially rectangular cross section having a width W larger than a thickness t, and the flatness W / t is 3 to 6, wherein the short fiber for concrete reinforcement is characterized. 合成樹脂にて形成された芯軸部と、前記芯軸部と一体に前記芯軸部の外周に形成された突起部とを有してなるコンクリート補強用短繊維であって、
前記芯軸部は幅Ｗが厚さｔよりも大きい略長方形断面に形成され、前記短繊維の全長をＬ、前記芯軸部の換算直径をｄ＝２(Ｗ＋ｔ)／πとすると、そのアスペクト比Ｌ／ｄが４０〜１００であることを特徴とするコンクリート補強用短繊維。 A concrete reinforcing short fiber having a core shaft portion formed of a synthetic resin and a protrusion formed integrally with the core shaft portion on an outer periphery of the core shaft portion,
The core shaft portion is formed in a substantially rectangular cross section having a width W larger than the thickness t, and the aspect of the short fiber is L, and the converted diameter of the core shaft portion is d = 2 (W + t) / π. A short fiber for reinforcing concrete, wherein the ratio L / d is 40 to 100. 請求項１〜３の何れか１項に記載のコンクリート補強用短繊維であって、前記合成樹脂は、再生ポリエチレンテレフタレートからなることを特徴とするコンクリート補強用短繊維。   The concrete reinforcing short fiber according to any one of claims 1 to 3, wherein the synthetic resin is made of recycled polyethylene terephthalate.
JP2003320750A 2003-09-12 2003-09-12 Short fiber for reinforcing concrete and its manufacturing method Expired - Lifetime JP3777373B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003320750A JP3777373B2 (en) 2003-09-12 2003-09-12 Short fiber for reinforcing concrete and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003320750A JP3777373B2 (en) 2003-09-12 2003-09-12 Short fiber for reinforcing concrete and its manufacturing method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006011852A Division JP4221411B2 (en) 2006-01-20 2006-01-20 Short fiber for reinforcing concrete and its manufacturing method

Publications (3)

Publication Number Publication Date
JP2005089198A JP2005089198A (en) 2005-04-07
JP2005089198A5 true JP2005089198A5 (en) 2005-12-08
JP3777373B2 JP3777373B2 (en) 2006-05-24

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Family Applications (1)

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JP2003320750A Expired - Lifetime JP3777373B2 (en) 2003-09-12 2003-09-12 Short fiber for reinforcing concrete and its manufacturing method

Country Status (1)

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JP (1) JP3777373B2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006348584A (en) * 2005-06-16 2006-12-28 Public Works Research Institute Reinforcing construction method for tunnel lining, using sprayed concrete mixed with polyolefin short fiber
JP4956472B2 (en) * 2008-03-25 2012-06-20 宇部日東化成株式会社 Reinforcing short fibers for cement-based moldings
JP2009299294A (en) * 2008-06-10 2009-12-24 Shimizu Corp Concrete segment
WO2012173286A1 (en) * 2011-06-13 2012-12-20 Ko Nak Chun Apparatus capable of forming concavities and convexities on a surface of a monofilament
JP2012167539A (en) * 2012-04-19 2012-09-06 Shimizu Corp Concrete segment
KR101670630B1 (en) * 2016-04-19 2016-10-28 최일호 Reinforced fiber with line groove, mortar and ascon mixed with the reinforced fiber
KR102128664B1 (en) * 2018-11-29 2020-07-01 건국대학교 산학협력단 Manufacturing method of cement group synthetic fiber with surface pattern for material reinforcement
JP7393760B2 (en) 2019-10-16 2023-12-07 株式会社安藤・間 Cement paste, mortar, method for producing mortar, and fire-resistant wooden structural components
TR202004801A1 (en) * 2020-03-27 2021-10-21 Kordsa Teknik Tekstil As CONCRETE REINFORCEMENT ELEMENT
CN115262055A (en) * 2022-09-09 2022-11-01 石狮市富华纺织发展有限公司 Antibacterial polyester yarn and production process thereof
JP7217380B1 (en) 2022-09-22 2023-02-02 國男 伊藤 METAL FIBER AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME

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