JPH01226957A - Structure of electric wave absorbing wall - Google Patents
Structure of electric wave absorbing wallInfo
- Publication number
- JPH01226957A JPH01226957A JP5175288A JP5175288A JPH01226957A JP H01226957 A JPH01226957 A JP H01226957A JP 5175288 A JP5175288 A JP 5175288A JP 5175288 A JP5175288 A JP 5175288A JP H01226957 A JPH01226957 A JP H01226957A
- Authority
- JP
- Japan
- Prior art keywords
- wave absorbing
- reinforced concrete
- radio wave
- fiber
- reflector
- 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.)
- Pending
Links
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 20
- 239000011210 fiber-reinforced concrete Substances 0.000 claims abstract description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 10
- 239000004917 carbon fiber Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 abstract description 10
- 239000004575 stone Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
- Building Environments (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
本発明はテレビ電波の構造物壁面からの反射による受信
障害を防止する電波吸収壁体構造に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a radio wave absorbing wall structure that prevents reception interference due to reflection of television radio waves from the wall surface of a structure.
(従来の技術)
従来の電波吸収壁体は通常第3図に示すように、外側か
ら仕上材(1)、電波吸収体(2)、コンクリート部(
3)3反射体(4)が順次重層された電波吸収構造部(
A)を、力学的構造体としての鉄筋コンクリート構造部
(B)に一体的に重層して構成されており、反射体(4
)として、一般に溶接金網が使用されている。(Prior Art) A conventional radio wave absorbing wall usually consists of a finishing material (1), a radio wave absorber (2), and a concrete part (from the outside) as shown in Figure 3.
3) Radio wave absorption structure section (
A) is integrally layered on a reinforced concrete structure (B) as a mechanical structure, and the reflector (4
), welded wire mesh is generally used.
(発明が解決しようとする課題)
前記電波吸収壁体においては、電波吸収体から反射体ま
での部分を構造体としての鉄筋コンクリート構造に共用
できれば、効率化と軽量化とが図られ合理的な構成とな
る。(Problems to be Solved by the Invention) In the radio wave absorbing wall body, if the portion from the radio wave absorber to the reflector can be shared with the reinforced concrete structure as a structure, efficiency and weight reduction can be achieved and a rational configuration can be achieved. becomes.
しかしながら電波吸収体と反射体との所要間隔が狭く、
一般的に必要とされている鉄筋の最小かぶり厚さを確保
できないため、反射体に構造用鉄筋を兼用させることは
困難である。However, the required distance between the radio wave absorber and reflector is narrow,
Since it is not possible to ensure the generally required minimum cover thickness of reinforcing bars, it is difficult to make the reflector double as structural reinforcing bars.
また仕上材として石材を用いた場合、石材の舅面に突出
している石材定着金物が反射体と交錯し、作業性を阻害
する。Furthermore, when stone is used as a finishing material, the stone fixing hardware protruding from the outer surface of the stone intersects with the reflector, impeding workability.
本発明はこのような従来技術の有する問題点に鑑みて提
案されたもので、その目的とする処は、壁体厚が節減さ
れ、作業性が向上された電波吸収壁体構造を堤供する点
にある。The present invention has been proposed in view of the problems of the prior art, and its purpose is to provide a radio wave absorbing wall structure that reduces wall thickness and improves workability. It is in.
(課題を解決するための手段)
前記の目的を達成するため、本発明に係る電波吸収壁体
構造は、鉄筋コンクリート構造頓体に電波吸収構造部が
重層された電波吸収壁体構造において、前記電波吸収構
造部の反射体を鋼繊維補強コンクリートより構成したも
のである。(Means for Solving the Problems) In order to achieve the above object, the radio wave absorbing wall structure according to the present invention has a radio wave absorbing wall structure in which a radio wave absorbing structure is layered on a reinforced concrete structure. The reflector of the absorption structure is made of steel fiber reinforced concrete.
また本発明は前記電波反射体を炭素繊維補強コンクリー
トより構成したものである。Further, in the present invention, the radio wave reflector is made of carbon fiber reinforced concrete.
(作用)
本発明に係る電波吸収壁体構造においては前記したよう
に、電波吸収構造部の反射体が、電磁気的及び力学的性
能に優れた鋼繊維補強コンクリート、炭素繊維補強コン
クリートより構成されたことにより、同コンクリート部
の内部に分散している鋼繊維、炭素繊維が反射体として
の効果を発揮し、また前記鋼繊維補強コンクリート、炭
素繊維補強コンクリートは在来のコンクリートより優れ
た力学的性能を有し、構造体としての鉄筋コンクリート
構造幅体の一部を兼ねるものである。(Function) As described above, in the radio wave absorbing wall structure according to the present invention, the reflector of the radio wave absorbing structure is made of steel fiber reinforced concrete or carbon fiber reinforced concrete with excellent electromagnetic and mechanical performance. As a result, the steel fibers and carbon fibers dispersed inside the concrete part exert an effect as a reflector, and the steel fiber reinforced concrete and carbon fiber reinforced concrete have better mechanical performance than conventional concrete. It also serves as a part of the reinforced concrete structure width body.
(実施例) 以下本発明を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.
第1図において(八)は電波吸収構造部、(B)は鉄筋
コンクリート構造部で、電波吸収構造部分(^)は外側
より順次仕上材(11)、電波吸収体面、反射体として
のw4繊維、または炭素繊維補強コンクリート部03)
を重層して構成されている。In Figure 1, (8) is the radio wave absorbing structure, (B) is the reinforced concrete structure, and the radio wave absorbing structure (^) consists of the finishing material (11), the radio wave absorber surface, the W4 fiber as a reflector, and or carbon fiber reinforced concrete part 03)
It is composed of multiple layers.
図示の実施例は前記したように構成されているので、前
記コンクリート部03)の内部に分散している電磁気的
性能に優れた鋼繊維または炭素繊維によって反射体とし
ての機箭を発揮し、また1t1i維、若しくは炭素繊維
補強コンクリート部03)は在来のコンクリートより優
れた力学的性能を有し、構造体としての鉄筋コンクリー
トの一部を兼ね、前記コンクリート部0■と鉄筋コンク
リート構造部(8)とによって、鉄筋コンクリート壁躯
体(8′)が構成されるものである。Since the illustrated embodiment is constructed as described above, the steel fibers or carbon fibers with excellent electromagnetic performance dispersed inside the concrete part 03) function as a reflector, and The 1t1i fiber or carbon fiber reinforced concrete part 03) has a mechanical performance superior to that of conventional concrete, and serves as a part of the reinforced concrete as a structure, and the concrete part 0■ and the reinforced concrete structure part (8) The reinforced concrete wall frame (8') is constructed by the following.
なお前記鋼繊維、または炭素繊維補強コンクリート部は
、必要に応じて反射体部分を超え、壁体の鉄筋コンクリ
ート全部にまで用いてもよい。Note that the steel fiber or carbon fiber reinforced concrete portion may be used for the entire reinforced concrete of the wall, beyond the reflector portion, if necessary.
第2図は仕上材として石材(11’)を用いた電波吸収
壁体に本発明を適用した場合を示し、フェライト系成型
体より構成された電波吸収体0′IJは石材(11”)
の凹溝に嵌着されている。Figure 2 shows the case where the present invention is applied to a radio wave absorbing wall using stone (11') as the finishing material.
It is fitted into the groove of.
図中(ロ)は石材定着金物、その他前記実施例と均等部
分には同一符号が附されている。In the figure (b), the same reference numerals are given to the stone fixing hardware and other parts equivalent to those of the above embodiment.
本実施例によれば、従来の石張り電波吸収壁体における
ように、石材定着金物04と反射体とが交錯することが
なく、また前記従来構造における反射体の設置が省略さ
れ、作業性が大幅に向上される。According to this embodiment, unlike in the conventional stone-clad radio wave absorbing wall, the stone fixing hardware 04 and the reflector do not intersect, and the installation of the reflector in the conventional structure is omitted, improving workability. Significantly improved.
(発明の効果)
本発明に係る電波吸収壁体構造においては前記したよう
に、鉄筋コンクリート構造躯体に重層された電波吸収構
造部における反射体部分を、電磁気的、及び力学的性能
に優れた鋼繊維、または炭素繊維補強コンクリートより
構成したことによって、同コンクリート部分に構造体コ
ンクリートと反射体とを兼用せしめ、従来の反射体を不
要ならしめることによって壁体厚を低減し、壁体重量を
軽減し、建物面積の有効利用、建物基1i!構造の負担
軽減に寄与するものである。(Effects of the Invention) As described above, in the radio wave absorbing wall structure according to the present invention, the reflector portion of the radio wave absorbing structure layered on the reinforced concrete structural frame is made of steel fibers having excellent electromagnetic and mechanical performance. , or by constructing it from carbon fiber-reinforced concrete, the same concrete part can serve both as a structural concrete and a reflector, making the conventional reflector unnecessary, reducing wall thickness and wall weight. , effective use of building area, building basis 1i! This contributes to reducing the burden on the structure.
また本発明によれば、仕上材に石材を用いた場合、従来
のように石材定着金物が反射体と交錯することがなく、
更に従来のように反射体の設置工程が不要となることと
相俟って、作業性が向上され、工程が簡略化される。Further, according to the present invention, when stone is used as the finishing material, the stone fixing hardware does not intersect with the reflector as in the past.
Furthermore, since the step of installing a reflector unlike the conventional method is not necessary, workability is improved and the process is simplified.
第1図及び第2図は夫々本発明に係る電波吸収壁体構造
の各実施例を示す横断平面図、第3図は従来の電波吸収
壁体構造の横断平面図である。
(^)−電波吸収構造部
(B)−鉄筋コンクリート構造部
(10・−仕上材
(11’ ) −石材 Q21−・・電波吸収体a
′!J−鋼繊維または炭素繊維コンクリート部代理人
弁理士 岡 本 重 文
外2名FIGS. 1 and 2 are cross-sectional plan views showing respective embodiments of the radio wave absorbing wall structure according to the present invention, and FIG. 3 is a cross-sectional plan view of a conventional radio wave absorbing wall structure. (^) - Radio wave absorbing structure (B) - Reinforced concrete structure (10 - Finishing material (11') - Stone Q21 - Radio wave absorber a
′! J-Steel Fiber or Carbon Fiber Concrete Department Agent
Patent attorney: Shige Okamoto (2 persons)
Claims (2)
層された電波吸収壁体構造において、前記電波吸収構造
部の反射体を鋼繊維補強コンクリートより構成してなる
ことを特徴とする電波吸収壁体構造。(1) A radio wave absorbing wall structure in which a radio wave absorbing structure is layered on a reinforced concrete structural frame, characterized in that the reflector of the radio wave absorbing structure is made of steel fiber reinforced concrete. .
クリートより構成してなることを特徴とする電波吸収壁
体構造。(2) A radio wave absorbing wall structure characterized in that the reflector of the radio wave absorbing structure is made of carbon fiber reinforced concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5175288A JPH01226957A (en) | 1988-03-07 | 1988-03-07 | Structure of electric wave absorbing wall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5175288A JPH01226957A (en) | 1988-03-07 | 1988-03-07 | Structure of electric wave absorbing wall |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01226957A true JPH01226957A (en) | 1989-09-11 |
Family
ID=12895667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5175288A Pending JPH01226957A (en) | 1988-03-07 | 1988-03-07 | Structure of electric wave absorbing wall |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01226957A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0247898A (en) * | 1988-08-10 | 1990-02-16 | Kajima Corp | Radio wave absorbing wall body |
KR100486688B1 (en) * | 2002-04-19 | 2005-05-06 | 현대산업개발 주식회사 | Electromagnetic Shielding method for building |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108602A (en) * | 1981-12-14 | 1983-06-28 | 清水 康敬 | Radio wave absorber and method of producing same |
JPS6176359A (en) * | 1984-09-22 | 1986-04-18 | 旭エンジニアリング株式会社 | Marth frame board |
JPS6237459A (en) * | 1985-08-13 | 1987-02-18 | 株式会社フジタ | Roof structure of large space structure |
-
1988
- 1988-03-07 JP JP5175288A patent/JPH01226957A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108602A (en) * | 1981-12-14 | 1983-06-28 | 清水 康敬 | Radio wave absorber and method of producing same |
JPS6176359A (en) * | 1984-09-22 | 1986-04-18 | 旭エンジニアリング株式会社 | Marth frame board |
JPS6237459A (en) * | 1985-08-13 | 1987-02-18 | 株式会社フジタ | Roof structure of large space structure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0247898A (en) * | 1988-08-10 | 1990-02-16 | Kajima Corp | Radio wave absorbing wall body |
KR100486688B1 (en) * | 2002-04-19 | 2005-05-06 | 현대산업개발 주식회사 | Electromagnetic Shielding method for building |
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