JPS6080646A - Structural composite material - Google Patents
Structural composite materialInfo
- Publication number
- JPS6080646A JPS6080646A JP18875083A JP18875083A JPS6080646A JP S6080646 A JPS6080646 A JP S6080646A JP 18875083 A JP18875083 A JP 18875083A JP 18875083 A JP18875083 A JP 18875083A JP S6080646 A JPS6080646 A JP S6080646A
- Authority
- JP
- Japan
- Prior art keywords
- composite material
- core material
- structural composite
- performance
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Reinforcement Elements For Buildings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（ａ）６発明の技術分野
本発明は、鉄筋コンクリート構造の柱、梁、壁、床スラ
ブ等の主筋やせん断補強筋のかわりに使用するに好適な
構造用複合材に関する。Detailed Description of the Invention (a) 6 Technical Field of the Invention The present invention relates to a structural composite material suitable for use in place of main reinforcement or shear reinforcement in columns, beams, walls, floor slabs, etc. of reinforced concrete structures. .
（ｂ）、技術の背景
鉄筋コンクリートにおいては、コンクリートは圧縮力を
支持し、鉄筋は引張力を支持する形となる。(b), Background of the technology In reinforced concrete, the concrete supports compressive force and the reinforcing steel supports tensile force.
（Ｃ）、従来技術と問題点
第５図は従来の鉄筋コンクリート構造部材の平面図、第
６図は第５図の正面図である。(C), Prior Art and Problems FIG. 5 is a plan view of a conventional reinforced concrete structural member, and FIG. 6 is a front view of FIG. 5.
従来、鉄筋コンクリート構造部材１：よ、第５図及び第
６図に示すように、コンクリ−１・９中に鉄製の主筋２
やせん断補強筋３が設置されていたが、火災等に際して
、十分な耐久性を持たせるには、十分に余裕を持ったコ
ンクリートの被り厚さが必要となり、建物の重量化、コ
ンクリ−１・の多消費に繋がり不都合な点が多い。更に
、従来の鉄筋ではその直径が太くなると加工作業や配筋
作業がその重さや曲げに対する硬さにより作業性が極端
に悪化する欠点がある。Conventionally, reinforced concrete structural members 1: As shown in Figs.
However, in order to have sufficient durability in the event of a fire, etc., it is necessary to have a sufficient thickness of concrete cover, which increases the weight of the building and increases the concrete thickness. There are many disadvantages as it leads to heavy consumption. Furthermore, when the diameter of conventional reinforcing bars increases, the workability of processing and reinforcing bars becomes extremely difficult due to their weight and stiffness against bending.
（ｄ）０発明の目的
本発明は、前述の欠点を解消すべく、軽量で加工作業や
配筋作業が容易で、しかも十分な耐火性を付与すること
の可能な構造用複合材を提供することを目的とするもの
である。(d) 0Object of the Invention In order to eliminate the above-mentioned drawbacks, the present invention provides a structural composite material that is lightweight, easy to process and rebar, and can be provided with sufficient fire resistance. The purpose is to
（ｅ）０発明の構成
即ち、本発明は、高性能連続ｍ維よりも大なる曲げ剛性
を有し、かつ塑性変形の可能な芯材を有し、前記芯材に
高性能Ｉ！に維の連続糸からなる高性能連続繊維を前記
芯材の軸心方向に設けて構成される。(e) 0 Structure of the Invention That is, the present invention has a core material that has greater bending rigidity than high-performance continuous m-fibers and is capable of plastic deformation, and has a high-performance I! High-performance continuous fibers made of continuous fibers are provided in the axial direction of the core material.
（す下余白）
（ｆ）０発明の実施例
以下、図面に基づき、本発明の実施例を、具体的に説明
する。(Bottom margin) (f) 0 Embodiments of the invention Hereinafter, embodiments of the invention will be specifically described based on the drawings.
第１図は本発明による構造用複合材を用いた鉄筋コンク
リ−１・構造部材を示す平面図、第２図は第】図の正面
図、第３図は本発明の構造用複合材の一実施例を示す図
、第４図は本発明の別の実施例を示す図である。Fig. 1 is a plan view showing reinforced concrete 1 and a structural member using the structural composite material according to the present invention, Fig. 2 is a front view of Fig. FIG. 4 is a diagram showing another embodiment of the present invention.
鉄筋コンクリート構造部材５は、第１図及び第２図に示
すように、４本の主筋６を有しており、各主筋６にはせ
ん断補強筋７がそれ等主筋６を相互に接続する形て蝉旋
状に巻設されている。主筋６及びせん断補強筋７はコン
クリート９に被覆されており、コンクリート９は鉄筋コ
ンクリート複合部材５に生じる圧縮力を、主筋６及び−
せん断補強筋７は鉄筋コンクリート複合部材５に生じる
引張力を支持している。As shown in FIGS. 1 and 2, the reinforced concrete structural member 5 has four main reinforcing bars 6, and each main reinforcing bar 6 has a shear reinforcing bar 7 that connects the main reinforcing bars 6 to each other. It is wound in a spiral shape. The main reinforcement 6 and the shear reinforcement 7 are covered with concrete 9, and the concrete 9 absorbs the compressive force generated in the reinforced concrete composite member 5.
The shear reinforcing bars 7 support the tensile force generated in the reinforced concrete composite member 5.
主筋６及びせん断補強筋７は、第３図に示す本発明によ
る構造用複合材１０から構成されており、構造用複合材
ｌＯは、図に示すように、適度な剛性及び曲げ性能を有
する鉄、合成樹脂等からなる棒状の芯材１１を有してい
る。芯材１】の表面には凹凸１１ａが形成されており、
いわゆる異形形状を呈している。また、芯材１１にはそ
の軸心方向である矢印Ａ、Ｂ方向に炭素繊維、アラミツ
ド繊維等の、鉄よりも機械的強度に優れ錆びることがな
く、かつ比重の軽い高性能繊維の連続糸からなる高性能
連続繊維１２が多数、芯材１１と共に全体が１本のロー
プ状（又は組み紐状）に形成された形で巻き付いている
。The main reinforcing bars 6 and the shear reinforcing bars 7 are made of a structural composite material 10 according to the present invention shown in FIG. , has a rod-shaped core material 11 made of synthetic resin or the like. Irregularities 11a are formed on the surface of the core material 1.
It has a so-called irregular shape. In addition, the core material 11 has continuous threads of high-performance fibers, such as carbon fibers and aramid fibers, which have better mechanical strength than iron, do not rust, and have a light specific gravity in the directions of arrows A and B, which are the axial directions of the core material 11. A large number of high-performance continuous fibers 12 consisting of a core material 11 are wound around each other in the form of a single rope (or braid).
鉄筋コンクリート構造部材５は以上のような構成を有す
るので、鉄筋コンクリート構造部材５を打設形成する場
合には、まず、構造用複合材１０を主筋６として設置し
、次に、設置された主筋６に、同様な構成の構造用複合
材１０をせん断補強筋７として、設置された主筋６間に
巻き付ける形で設置する。乙のせん断補強筋７の設置に
際して、構造用複合材１０の高性能連続繊維１２が極め
て柔軟性に富み、変形が自由におこなえるので、鉄製の
鉄筋を用いた場合に比してその曲げ加工は、作業者が手
で芯材１１を曲げるだけの労力でほぼ十分である。しか
も、芯材１１により構造用複合材１０は曲げ加工を行っ
た状態が保持されるので（即ち、芯材１１が塑性変形す
ることにより高性能連続繊維１２も共に変形し、更にそ
の変形状態が維持されるので）、後のコンクリート９の
打設までの間にせん断補強Ｂ７が所定の設置位置からず
れてしまうようなことはない。また、主筋６の設置に際
しても、芯材１１の曲げ剛性を適宜設定することにより
、主筋６を鉄筋で構成した場合と同様に、その設置時に
自立した形で設けることができろ（当然、その曲げ剛性
は、いがなる場合でも高性能連続繊維１２のそれよりは
高い）。Since the reinforced concrete structural member 5 has the above configuration, when pouring and forming the reinforced concrete structural member 5, the structural composite material 10 is first installed as the main reinforcement 6, and then the installed main reinforcement 6 is A structural composite material 10 having a similar configuration is installed as shear reinforcing bars 7 so as to be wound between the installed main bars 6. When installing the shear reinforcing bars 7, the high-performance continuous fibers 12 of the structural composite material 10 are extremely flexible and can be deformed freely, so the bending process is easier than when using steel reinforcing bars. , it is almost sufficient for the worker to bend the core material 11 by hand. Moreover, since the structural composite material 10 is maintained in the bent state by the core material 11 (that is, when the core material 11 is plastically deformed, the high-performance continuous fibers 12 are also deformed, and the deformed state is The shear reinforcement B7 will not be displaced from the predetermined installation position until the concrete 9 is poured later. Furthermore, when installing the main reinforcement 6, by appropriately setting the bending rigidity of the core material 11, it is possible to install the main reinforcement 6 in an independent form (naturally, the The bending stiffness is higher than that of the high-performance continuous fiber 12 even if it is damaged).
なお、コンクリート９の打設後１こおいては、錆びるこ
とのない高性能連続繊維１２が鉄筋コンクリート複合部
材５に発生する引張力を支持するので、芯材１１ば、構
造用複合材】０の設置時に、高性能連続繊維１２と共ｆ
こ自立し得る程度で機械的強度をそれ程必要とせず、か
つコンクリートの打設後に芯材１１が錆びたとしても鉄
筋コンクリ−ト禎合部材５の強度には全く影響しない。In addition, after pouring the concrete 9, the high-performance continuous fibers 12, which do not rust, support the tensile force generated in the reinforced concrete composite member 5, so that the core material 11 is the structural composite material 0. At the time of installation, the high performance continuous fiber 12
This does not require much mechanical strength to the extent that it can stand on its own, and even if the core material 11 becomes rusted after concrete is poured, the strength of the reinforced concrete integration member 5 will not be affected at all.
また、芯材１１に凹凸１１ａを設ける乙とにより、構造
用複合材１０とコンクリート９との一体性を十分に確保
することが出来る。このように、高性能連続繊維１２と
芯材１１間の設置形態を種々工夫することによりコンク
リート９と複合材１０との十分な一体化が確保される。Further, by providing the unevenness 11a on the core material 11, the integrity of the structural composite material 10 and the concrete 9 can be sufficiently ensured. In this way, sufficient integration of the concrete 9 and the composite material 10 can be ensured by variously devising the installation form between the high-performance continuous fibers 12 and the core material 11.
なお、上述の実施例は、高性能連続繊維１２をロープ状
に、芯材１１と共に形成した場合について述べたが、高
性能連続繊維１２の芯材１１に対する設置態様は種々の
ものが考えられ、例えば、第４図に示すように、芯材１
１の周囲に高性能連ｌｌ１ｍ維１２を巻き付ける形とし
てもよいことは勿論である。In addition, although the above-mentioned example described the case where the high-performance continuous fiber 12 was formed in the shape of a rope together with the core material 11, various ways of installing the high-performance continuous fiber 12 with respect to the core material 11 can be considered. For example, as shown in FIG.
Of course, it is also possible to wrap high performance continuous 11m fibers 12 around the fibers 1.
更に、上述の実施例は本発明による構造用複合材１０を
鉄筋コンクリート複合部材５の構築用に用いた場合につ
いて述べたが、本発明による構造用複合材１０は鉄筋コ
ンクリート複合部材５の構築用に限らず、プレキャスト
コンクリート打設時のｐｃ鋼線、ＰＣ鋼棒の代用として
、また吊り橋等の支持ローブとしても用いることが可能
である。Furthermore, although the above-mentioned embodiment describes the case where the structural composite material 10 according to the present invention is used for constructing the reinforced concrete composite member 5, the structural composite material 10 according to the present invention is limited to the use for constructing the reinforced concrete composite member 5. First, it can be used as a substitute for PC steel wires and bars when placing precast concrete, and as support lobes for suspension bridges, etc.
また、設置時における作業性を良くし、高性能連続繊維
１２の設置時における不用意な損傷を有効的に防止する
ため等の目的で、構造用複合材１０の表面を樹脂等でコ
ーティングしておくことも有効である。In addition, the surface of the structural composite material 10 is coated with a resin or the like in order to improve workability during installation and effectively prevent accidental damage during installation of the high-performance continuous fiber 12. It is also effective to leave the
（ｇ）０発明の効果
９上、説明したように、本発明によれば、鉄、合成樹脂
等の高性能連続繊維１２よりも大なる曲げ剛性を有し、
塑性変形の可能な芯材１１を有し、前記芯材１１に炭素
繊維、アラミツド繊維等の高性能繊維の連続糸からなる
高性能連続ｍ維１２を前記芯キイ１１の軸心方向である
矢印Ａ、Ｂ方向に設けて構成したので、鉄よりもはるか
に軽量でかつ機械的強度の高い構造用複合材１０の提供
が可能となる。(g) 0 Effects of the Invention 9 As explained above, according to the present invention, the bending rigidity is greater than that of high-performance continuous fibers 12 such as iron and synthetic resin,
It has a core material 11 that can be plastically deformed, and the core material 11 has a high-performance continuous m-fiber 12 made of a continuous yarn of high-performance fiber such as carbon fiber or aramid fiber in the direction of the axis of the core key 11, as shown by the arrow. Since the structure is provided in directions A and B, it is possible to provide a structural composite material 10 that is much lighter than iron and has high mechanical strength.
しかも、芯材１１により、従来の鉄筋の場合と同様に、
構造用複合材１０単独での自立及び変形状態の保持が可
能となるばかりか、高性能連続ｍ維１２は曲げや切断加
工が容易なので、鉄筋の代用として極めて軽量で強度が
高く、更に作業性施工性の良好な構造用複合材１０の提
供が可能となる。Moreover, with the core material 11, as in the case of conventional reinforcing bars,
Not only is the structural composite material 10 able to stand on its own and maintain its deformed state, but the high-performance continuous m-fibers 12 are easy to bend and cut, making it extremely lightweight and strong as a substitute for reinforcing steel, as well as being easier to work with. It becomes possible to provide a structural composite material 10 with good workability.
また、高性能連続繊維１２として炭素繊維を用いた場合
には、鉄に比して高１における機械的強度の劣化が少な
い（即ち、耐火性が良好である）ので、構造用複合材１
０をコンクリートの引張力支持部材として鉄筋に換えて
用いた場合にはコンクリート９の被り厚さを従来の鉄筋
構造に比して薄くする乙とが出来、建物の軽量化が可能
になり、資材の節約にもなる。In addition, when carbon fiber is used as the high-performance continuous fiber 12, there is less deterioration in mechanical strength at high temperature than iron (that is, it has good fire resistance), so the structural composite material 1
When 0 is used as a tensile force support member for concrete instead of reinforcing steel, the thickness of the concrete 9 can be made thinner than that of conventional reinforced steel structures, making it possible to reduce the weight of the building and save material. It also saves money.
なお、芯材１１として中空パイプ状の部材を使用して、
その内部に水等の冷却水を通水することにより、高性能
連続繊維１２として耐火性に多少問題の有る材料を用い
ても、十分に安全性を確保することが出来る。In addition, using a hollow pipe-shaped member as the core material 11,
By passing cooling water such as water through the interior thereof, sufficient safety can be ensured even if a material with some fire resistance problems is used as the high-performance continuous fiber 12.
第１図は本発明による構造用複合材を用いた鉄筋コンク
リート構造部材を示す平面図、第２図は第１図の正面図
、第３図は本発明の構造用複合材の一実施例を示す図、
第４図は本発明の別の実施例を示す図、第５図は従来の
鉄筋コンクリート構造部材の平面図、第６図は第５図の
正面図である。
１０ 構造用複合材
】】 芯材
１２ 高性能連続ｍ維
Ａ、Ｂ 軸心方向
出願人 三井建設株式会社
代理人 弁理士 相１）伸二Figure 1 is a plan view showing a reinforced concrete structural member using the structural composite material of the present invention, Figure 2 is a front view of Figure 1, and Figure 3 is an embodiment of the structural composite material of the present invention. figure,
FIG. 4 is a diagram showing another embodiment of the present invention, FIG. 5 is a plan view of a conventional reinforced concrete structural member, and FIG. 6 is a front view of FIG. 5. 10 Structural Composite Material] Core material 12 High performance continuous m-fiber A, B Axial direction Applicant Mitsui Construction Co., Ltd. Agent Patent attorney Phase 1) Shinji
Claims (1)
、かつ塑性変形の可能な芯材を有し、前記芯材に高性能
繊維の連続糸からなる高性能連続繊維を前記芯材の軸心
方向に設けて構成した構造用複合材。High performance continuous tjA! 11. It has a core material that has a bending rigidity greater than that and is capable of plastic deformation, and is constructed by providing high-performance continuous fibers made of continuous threads of high-performance fibers in the axial direction of the core material. Structural composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18875083A JPS6080646A (en) | 1983-10-07 | 1983-10-07 | Structural composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18875083A JPS6080646A (en) | 1983-10-07 | 1983-10-07 | Structural composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6080646A true JPS6080646A (en) | 1985-05-08 |
| JPH0424502B2 JPH0424502B2 (en) | 1992-04-27 |
Family
ID=16229113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18875083A Granted JPS6080646A (en) | 1983-10-07 | 1983-10-07 | Structural composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6080646A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63247457A (en) * | 1987-04-02 | 1988-10-14 | 株式会社 メツクラボラトリ−ズ | Concrete reinforcing bar material |
| JPH05202579A (en) * | 1991-07-16 | 1993-08-10 | Bilco Co | Rain-proof of roofing sheet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5153071U (en) * | 1974-10-21 | 1976-04-22 |
-
1983
- 1983-10-07 JP JP18875083A patent/JPS6080646A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5153071U (en) * | 1974-10-21 | 1976-04-22 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63247457A (en) * | 1987-04-02 | 1988-10-14 | 株式会社 メツクラボラトリ−ズ | Concrete reinforcing bar material |
| JPH05202579A (en) * | 1991-07-16 | 1993-08-10 | Bilco Co | Rain-proof of roofing sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424502B2 (en) | 1992-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017185942A1 (en) | Steel-fiber composite material concrete combined column, and post-earthquake repair method thereof | |
| JP2000213106A (en) | Reinforcing method for concrete structure member | |
| JP2673225B2 (en) | Prestressed concrete member and its manufacturing method and apparatus | |
| JP2002013248A (en) | Concrete column with built-in continuous fiber reinforced pipe | |
| JP3018967B2 (en) | Reinforcement method for reinforced concrete columns | |
| EP0854248B1 (en) | Prefabricated structural panel for constructing civil or industrial use buildings | |
| JPS6080646A (en) | Structural composite material | |
| JP3350447B2 (en) | Fiber sheet for reinforcement and repair | |
| JPH10311160A (en) | Damper wall | |
| JPH11107216A (en) | Pipe-rib arch bridge of three-dimensional restraining concrete structural member | |
| JP3520766B2 (en) | FRP reinforced concrete structure | |
| JPH09151611A (en) | Reinforcing method for reinforced concrete column | |
| KR20020016662A (en) | Rope Type Composite Bar to Replace Tie and Spiral Reinforcing Bar and Stirrup | |
| JP3878096B2 (en) | Reinforced concrete members | |
| JPH0555676B2 (en) | ||
| JP2003336315A (en) | Reinforced concrete beam structure | |
| JP2629550B2 (en) | Method of manufacturing reinforced concrete facing | |
| JPS61151371A (en) | Reinforcement of existing pillar | |
| JPH0272905A (en) | Manufacture of prestressed concrete member and latticelike reinforcing rod for prestressed concrete member | |
| JPS60181452A (en) | Construction of floor panel | |
| JPH0559228B2 (en) | ||
| JP3198642B2 (en) | Prestressed concrete board | |
| JPS59199955A (en) | Prestressed concrete structure and construction thereof | |
| KR200210970Y1 (en) | Rope Type Composite Bar to Replace Tie and Spiral Reinforcing Bar and Stirrup | |
| JPH0619158B2 (en) | High-rise building structure |