JPH0781276B2 - Concrete retaining wall construction method - Google Patents
Concrete retaining wall construction methodInfo
- Publication number
- JPH0781276B2 JPH0781276B2 JP63282822A JP28282288A JPH0781276B2 JP H0781276 B2 JPH0781276 B2 JP H0781276B2 JP 63282822 A JP63282822 A JP 63282822A JP 28282288 A JP28282288 A JP 28282288A JP H0781276 B2 JPH0781276 B2 JP H0781276B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- retaining wall
- mold
- formwork
- concrete retaining
- 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.)
- Expired - Fee Related
Links
Landscapes
- Retaining Walls (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、所望模様のコンクリート擁壁を形成するコン
クリート擁壁の施工法に関するものである。The present invention relates to a method for constructing a concrete retaining wall for forming a concrete retaining wall having a desired pattern.
従来、表面に所望模様が形成された擁壁を作る場合に
は、例えば工場で表面に所望模様の入った所定形状のブ
ロックを形成し、このブロックを現場まで運び、現場で
積み重ねて行くことで擁壁を作るのが一般である。Conventionally, when making a retaining wall with a desired pattern formed on the surface, for example, by forming a block of a predetermined shape with the desired pattern on the surface at the factory, carrying this block to the site, and stacking it at the site It is common to make retaining walls.
しかし、ブロックを形成し、そのブロックを現場におい
て積み上げていくことで擁壁を作る従来法では、重量の
あるブロックを運搬したり、また、保管したりする必要
がある為、工期にかなり費やすことになり、労力、手間
を要するという問題があった。However, in the conventional method of forming retaining blocks by forming blocks and stacking the blocks on site, it is necessary to transport and store heavy blocks, so it takes considerable time for the construction period. Therefore, there was a problem that labor and labor were required.
出願人は種々の研究を重ねた結果、ブロックを積み上げ
て擁壁を作るという方法ではなく、型枠により簡易且つ
良好コンクリート擁壁を形成する本発明を完成させた。As a result of various studies, the applicant has completed the present invention of forming a simple and good concrete retaining wall by a formwork, rather than a method of stacking blocks to form a retaining wall.
添付図面を参照して本発明の要旨を説明する。 The gist of the present invention will be described with reference to the accompanying drawings.
表面に所望模様を形成した型枠２を複数個設け、この型
枠２を所定数連設せしめて型枠群２′を設け、この型枠
群２′の背後にコンクリート流入間隙３を介存せしめて
裏止板７を立設し、このコンクリート流入間隙３内にコ
ンクリートを流入し、硬化せしめて前記型枠２を残存せ
しめたコンクリート擁壁を形成するコンクリート擁壁の
施工法であって、前記型枠２として、所望模様を形成し
た模様面2aの外周に連結部2bを突設し、該模様面2aの裏
面にして該連結部2b間に補強リブ８を設け、この補強リ
ブ８にコンクリートが通過する孔８′を設けた型枠２を
採用したことを特徴とするコンクリート擁壁の施工法に
係るものである。A plurality of molds 2 each having a desired pattern formed on the surface thereof are provided, a predetermined number of the molds 2 are connected in series to form a mold group 2 ', and a concrete inflow gap 3 is provided behind the mold group 2'. A method of constructing a concrete retaining wall in which a back stop plate 7 is erected at least, concrete is flowed into the concrete inflow gap 3 and hardened to form a concrete retaining wall in which the formwork 2 is left, As the mold 2, a connecting portion 2b is provided so as to project on the outer periphery of a pattern surface 2a having a desired pattern, and a reinforcing rib 8 is provided between the connecting portions 2b on the back surface of the pattern surface 2a. The present invention relates to a concrete retaining wall construction method characterized in that a formwork 2 having a hole 8'through which concrete passes is adopted.
コンクリート擁壁を形成する所望位置に土台６を形成
し、この土台６上に表面に所望模様を形成した型枠２を
縦横所定数連設せしめて型枠群２′を設け、この型枠群
２′の背後にコンクリート流入間隙３を介在せしめて裏
止板７を立設し、このコンクリート流入間隙３内にコン
クリートを流入し、硬化せしめて裏止板７を取り外し
て、表面が所望模様のコンクリート擁壁を形成する。A base 6 is formed at a desired position for forming a concrete retaining wall, and a predetermined number of vertical and horizontal forms 2 having a desired pattern on the surface of the base 6 are continuously provided to form a form group 2 '. A back stop plate 7 is provided upright with a concrete inflow gap 3 interposed behind 2 ', concrete is poured into the concrete inflow gap 3 and hardened to remove the back stop plate 7, and the surface has a desired pattern. Form a concrete retaining wall.
擁壁には型枠が埋設されたままになっている為、完成し
たコンクリート擁壁は表面が所望模様を有する擁壁とな
る。Since the formwork is still embedded in the retaining wall, the finished concrete retaining wall has a surface with a desired pattern.
型枠２の模様面2aの模様は、この場合自然石風凸部１で
ある為、完成したコンクリート擁壁の表面は自然石が埋
め込まれた感じとなる。In this case, the pattern on the pattern surface 2a of the mold 2 is the natural stone-like convex portion 1, so that the surface of the completed concrete retaining wall has a feeling that natural stone is embedded.
また、型枠２に引っ張り強度を発揮させる為、ガラス繊
維補強コンクリート（GFRC）、鋼繊維補強コンクリート
（SFRC）、炭素繊維補強コンクリート（CFRC）等の繊維
補強コンクリート（FRC）を用いて該型枠２を形成して
も良い。Further, in order to make the formwork 2 exhibit tensile strength, the formwork is made of fiber reinforced concrete (FRC) such as glass fiber reinforced concrete (GFRC), steel fiber reinforced concrete (SFRC) and carbon fiber reinforced concrete (CFRC). 2 may be formed.
次に、型枠２を繊維強化プラスチック（FRP）により形
成した場合におけるその製造法について説明する。尚、
型枠をFRP製とすることで自然石風凸部１がより鮮明に
表現できることになる。Next, a method of manufacturing the mold 2 when the mold 2 is made of fiber reinforced plastic (FRP) will be described. still,
By using FRP as the formwork, the natural stone-like convex portion 1 can be expressed more clearly.
色々な形や大きさの異なる自然石を選び出し、その１つ
１つに離形剤を塗布し、プリフレグ状態のFRP板を自然
石の略半体に被覆して加熱加圧状態で硬化せしめて型を
作る。Select natural stones of various shapes and sizes, apply a mold release agent to each one, cover the FRP plate in the pre-preg state with almost half of the natural stones, and harden it under heat and pressure. Make a mold.
この型は自然石の略半体に不飽和のポリエステル樹脂を
塗布しガラス不繊布や織布若しくは両者を重ね、これを
繰り返してFRP素材を積層せしめ、硬化剤の併用により
硬化せしめる方法を採用しても良い。This mold adopts a method in which unsaturated polyester resin is applied to almost half of natural stone, glass non-woven cloth or woven cloth or both are laminated, FRP material is laminated by repeating this, and it is cured by using a curing agent together. May be.
この型に石膏やセメントモルタルなどの造形材を流し込
んだり、この型内面に樹脂用離型剤を塗布して型内に不
飽和ポリエステル樹脂を積層して自然石半体を作る。A molding material such as gypsum or cement mortar is poured into this mold, or a mold release agent for resin is applied to the inner surface of this mold and unsaturated polyester resin is laminated in the mold to make a natural stone half body.
このようにして作った形や大きさの異なる沢山の自然石
半体のその自然石半体の全て又は一部が基枠内に納まる
状態で基枠に組合わせやデザインを考慮して配置固着す
る。Many natural stone halves with different shapes and sizes made in this way are placed and fixed on the base frame in consideration of the combination and design while all or part of the natural stone halves are contained in the base frame To do.
この自然石半体を配置固着した基枠の表面に離型剤を塗
布し、プリプレグ状態のFRP板を被覆して加熱加圧状態
で硬化せしめてFRP製の型枠２を製作する（尚、この工
程を不飽和ポリエステル樹脂を塗布しガラス不織布若し
くは両者と重ねこれを繰り返してFRP素材を積層せし
め、硬化剤の併用により硬化せしめる方法を採用しても
良い）。A mold release agent is applied to the surface of the base frame on which the natural stone halves are arranged and fixed, and a FRP plate in a prepreg state is covered and cured in a heat and pressure state to manufacture a FRP mold 2 (it should be noted that It is also possible to adopt a method in which this step is applied with an unsaturated polyester resin, laminated with a glass non-woven fabric or both, and the FRP material is laminated by repeating this process and then cured by using a curing agent together).
この模様面2aの外周に連結部2bを突設したFRP製の型枠
２の該模様面2aの裏面にして連結部2b間に補強の為、コ
ンクリートを通過せしめる孔８′を有するリブ８を架設
する。A rib 8 having a hole 8'for allowing concrete to pass through is formed on the rear surface of the pattern surface 2a of the FRP mold 2 in which the connection portion 2b is projected on the outer periphery of the pattern surface 2a for reinforcement between the connection portions 2b. Build.
このようにして完成したFRP製の型枠２を、ボルト・ナ
ットにより複数個連設せしめて、FRP製の型枠群２′を
形成する。A plurality of FRP molds 2 completed in this manner are connected in series by bolts and nuts to form a FRP mold group 2 '.
図中符号９はFRP製の型枠２同志を連設する為のボルト
用穴、10は桟、11はコンクリート流入間隙３を保持する
保持杆、４はナット、５は補強鉄筋である。In the figure, reference numeral 9 is a hole for bolts for connecting FRP molds 2 in series, 10 is a crosspiece, 11 is a holding rod for holding the concrete inflow gap 3, 4 is a nut, and 5 is a reinforcing bar.
繊維補強コンクリートを用いて型枠２を形成する場合に
おけるその製造法について説明する。A method of manufacturing the mold 2 using the fiber reinforced concrete will be described.
自然石半体の成形は上述と同様である。The molding of natural stone halves is the same as described above.
この自然石半体を配置固着した基枠の表面に離型剤を塗
布し、プリプレグ状態のFRP板を被覆して加熱加圧状態
で硬化せしめてFRP製の雛型を製作する（尚、この工程
を不飽和ポリエステル樹脂を塗布しガラス不織布若しく
は両者と重ねこれを繰り返してFRP素材を積層せしめ、
硬化剤の併用により硬化せしめる方法を採用しても良
い）。A mold release agent is applied to the surface of the base frame on which the natural stone halves are placed and fixed, and a FRP plate in a prepreg state is covered and cured in a heat and pressure state to produce a template made of FRP. Apply the unsaturated polyester resin and repeat the process with glass non-woven fabric or both to stack the FRP material,
It is also possible to use a method of curing by using a curing agent together).
このFRP製の雛型（生産型）の成形凹部側に離形剤を塗
布又は散布した後、下記の配合のFRCを吹き付け法（ス
プレー法）により付着せしめ、FRC硬化後、FRP製の雛型
を取り外し、本願に係る型枠２を製造する。After applying or spraying a mold release agent on the molding concave side of this FRP template (production model), FRC of the following composition is applied by spraying (spray method), and after FRC curing, FRP template Then, the mold 2 according to the present application is manufactured.
使用したGFRCは下記の通りであり、下記の配合比が最も
望ましいことが実験の結果判明している。The GFRC used was as follows, and it was found from the results of experiments that the following blending ratio is most desirable.
1m3当たりの標準的配合比 セメント＝500（kg/m3）水セメント比＝50（％） 空気量＝２（％） 細骨材率＝100（％）…砂利と砂の比率 ガラス混入率＝１（％）…ガラス混入の容積比における
割合 尚、図面の型枠２は、各側縁を直線縁に形成した場合を
図示しているが、第４図のように曲線縁に形成しても良
い。Standard mixing ratio per 1 m 3 Cement = 500 (kg / m 3 ) Water cement ratio = 50 (%) Air volume = 2 (%) Fine aggregate ratio = 100 (%) ... ratio of gravel and sand Glass mixing ratio = 1 (%) ... Percentage in volume ratio of glass mixture Although the mold 2 in the drawing shows the case where each side edge is formed as a straight edge, it is formed as a curved edge as shown in FIG. May be.
本発明は、上述のように型枠をそのまま利用し、コンク
リート擁壁の中に該型枠を残存させてコンクリート擁壁
を形成する方法である為、一々型で作ったブロックを保
管したり、現場まで運んだりする手間が一切省け、現場
でこの型枠を積み重ねてコンクリートを流し込むという
簡単な作業で擁壁が形成でき、施工性に非常に秀れたコ
ンクリート擁壁の施工法となる。The present invention is a method of forming a concrete retaining wall by using the mold as it is and leaving the frame in the concrete retaining wall. It is possible to form a retaining wall by the simple work of stacking this formwork and pouring concrete at the site without the need to carry it to the site, and this is a method of constructing a concrete retaining wall with excellent workability.
更に、本発明に使用する型枠は模様面の外周に連結部が
形成されている為、各型枠同志の連結がそれだけ堅固に
行えることになり、よって、該型枠を上下左右に堅固に
連設することで施工場所の大きさに合わせて任意の大き
さ、形の連続的な擁壁を簡単に形成し得ることになる。Further, since the mold used in the present invention has the connecting portion formed on the outer periphery of the pattern surface, the molds can be connected to each other as firmly as possible, so that the mold can be firmly fixed vertically and horizontally. By arranging them in series, a continuous retaining wall of arbitrary size and shape can be easily formed according to the size of the construction site.
また、本発明に使用する型枠は、連結部間に補強リブが
設けられている為、それだけ強度が高くなり、また、こ
の補強リブには孔が形成されている為、この孔をコンク
リートが通過し、補強リブを設けたことによりコンクリ
ートの通過が遮断され、強度的に弱いコンクリート擁壁
になることが確実に防止される。In addition, the formwork used in the present invention is provided with reinforcing ribs between the connecting portions, so that the strength is increased accordingly, and since holes are formed in the reinforcing ribs, the holes are made of concrete. The passage of the concrete is blocked by the provision of the reinforcing ribs, and the concrete retaining wall that is weak in strength is reliably prevented.
図面は本発明の一実施例を示すもので、第１図は型枠の
一部を切り欠いた斜視図、第２図は施工状態を示す縦断
面図、第３図は型枠の配列を示す説明図、第４図は型枠
の別例の配列を示す説明正面図である。 ２……型枠、２′……型枠群、2a……模様面、2b……連
結部、３……コンクリート流入間隙、７……裏止板、８
……補強リブ、８′……孔。The drawings show one embodiment of the present invention. FIG. 1 is a perspective view in which a part of the mold is cut away, FIG. 2 is a vertical sectional view showing a construction state, and FIG. FIG. 4 is an explanatory front view showing the arrangement of another example of the mold. 2 ... Formwork, 2 '... Formwork group, 2a ... Pattern surface, 2b ... Connecting part, 3 ... Concrete inflow gap, 7 ... Back plate, 8
...... Reinforcing ribs, 8 '... holes.
フロントページの続き (56)参考文献 特開 昭61−95127（ＪＰ，Ａ) 特開 昭59−170340（ＪＰ，Ａ) 特開 昭60−26706（ＪＰ，Ａ) 実開 昭57−129851（ＪＰ，Ｕ) 小林一輔「繊維補強コンクリート−特性 と応用−」（昭56−６−20）オーム社Ｐ. 41−43Continuation of the front page (56) References JP-A-61-95127 (JP, A) JP-A-59-170340 (JP, A) JP-A-60-26706 (JP, A) Actual development 57-129851 (JP , U) Kazusuke Kobayashi "Fiber Reinforced Concrete-Characteristics and Applications-" (Sho 56-6-20) Ohmsha P. 41-43
Claims (1)
設け、この型枠２を所定数連設せしめて型枠群２′を設
け、この型枠群２′の背後にコンクリート流入間隙３を
介存せしめて裏止板７を立設し、このコンクリート流入
間隙３内にコンクリートを流入し、硬化せしめて前記型
枠２を残存せしめたコンクリーと擁壁を形成するコンク
リート擁壁の施工法であって、前記型枠２として、所望
模様を形成した模様面2aの外周に連結部2bを突設し、該
模様面2aの裏面にして該連結部2b間に補強リブ８を設
け、この補強リブ８にコンクリートが通過する孔８′を
設けた型枠２を採用したことを特徴とするコンクリート
擁壁の施工法。1. A plurality of molds 2 having a desired pattern formed on a surface thereof are provided, a predetermined number of the molds 2 are connected in series to form a mold group 2 ', and concrete is flown behind the mold group 2'. The backing plate 7 is erected with the gap 3 interposed, and concrete is poured into the concrete inflow gap 3 and hardened to leave the formwork 2 and the concrete retaining wall forming a retaining wall. In the construction method, as the formwork 2, a connecting portion 2b is projectingly provided on the outer periphery of a pattern surface 2a on which a desired pattern is formed, and a reinforcing rib 8 is provided between the connecting portions 2b on the back surface of the pattern surface 2a. A method of constructing a concrete retaining wall, characterized in that a formwork 2 having a hole 8'through which concrete passes through the reinforcing rib 8 is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63282822A JPH0781276B2 (en) | 1988-11-09 | 1988-11-09 | Concrete retaining wall construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63282822A JPH0781276B2 (en) | 1988-11-09 | 1988-11-09 | Concrete retaining wall construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02128021A JPH02128021A (en) | 1990-05-16 |
| JPH0781276B2 true JPH0781276B2 (en) | 1995-08-30 |
Family
ID=17657533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63282822A Expired - Fee Related JPH0781276B2 (en) | 1988-11-09 | 1988-11-09 | Concrete retaining wall construction method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0781276B2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57129851U (en) * | 1981-02-09 | 1982-08-13 | ||
| JPS59170340A (en) * | 1983-03-14 | 1984-09-26 | 長谷川 正利 | Concrete mold frame construction method |
| JPS6026706A (en) * | 1983-07-25 | 1985-02-09 | Kenji Ishikura | Concrete block and revetment |
| JPS6195127A (en) * | 1984-10-15 | 1986-05-13 | Tousen Koken Kk | Concrete formwork process |
-
1988
- 1988-11-09 JP JP63282822A patent/JPH0781276B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 小林一輔「繊維補強コンクリート−特性と応用−」（昭５６−６−２０）オーム社Ｐ．４１−４３ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02128021A (en) | 1990-05-16 |
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