JPH02128021A - Construction of concrete retaining wall - Google Patents
Construction of concrete retaining wallInfo
- Publication number
- JPH02128021A JPH02128021A JP28282288A JP28282288A JPH02128021A JP H02128021 A JPH02128021 A JP H02128021A JP 28282288 A JP28282288 A JP 28282288A JP 28282288 A JP28282288 A JP 28282288A JP H02128021 A JPH02128021 A JP H02128021A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- retaining wall
- inflow gap
- formwork
- backing plate
- 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
- 239000004567 concrete Substances 0.000 title claims abstract description 61
- 238000010276 construction Methods 0.000 title claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000009415 formwork Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 12
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 10
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 17
- 239000011151 fibre-reinforced plastic Substances 0.000 description 17
- 239000004575 stone Substances 0.000 description 17
- 239000011521 glass Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920006337 unsaturated polyester resin Polymers 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000006082 mold release agent Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000011211 glass fiber reinforced concrete Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、簡易に所望模様の擁壁が施工し得るコンクリ
ート擁壁の施工法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for constructing a concrete retaining wall that can easily construct a retaining wall with a desired pattern.
従来、道路側の山斜面や家屋の周囲などに表面に所望模
様が形成された擁壁を作る場合には、例えば工場などで
型枠により表面に所望模様の入った所定形状のブロック
を成形し、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 building a retaining wall with a desired pattern on the surface, such as on a mountain slope next to a road or around a house, blocks of a predetermined shape with the desired pattern on the surface are formed using formwork in a factory, for example. Generally, these blocks are transported to the site and stacked on top of each other to create a retaining wall.
しかし、ブロックを成型し、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
かある為、工期にかなり費やすことになったりして労力
、手間を要するという問題があった。However, with the traditional method of building retaining walls by molding blocks and stacking them on-site, the construction time is considerably longer due to the need to transport and store the heavy blocks. There was a problem in that it required a lot of effort and effort.
出願人は種々の研究を重ねた結果、型枠を用いてブロッ
クを成形し、ブロックを積み上げて擁壁を作るという方
法ではなく、型枠自体を埋め込み擁壁内部に型枠を残存
させることで擁壁を形成するという本発明を完成させた
。As a result of various studies, the applicant found that instead of forming blocks using formwork and stacking the blocks to create a retaining wall, the applicant could embed the formwork itself and leave the formwork inside the retaining wall. The present invention of forming a retaining wall has been completed.
添付図面を参照して詳述すると次の通りである。The details are as follows with reference to the accompanying drawings.
請求項１記載の発明は、表面に所望模様を形成した型枠
２を所定個連設せしめて配置し、この型枠列２′の背後
に所望壁厚を形成する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
内に補強鉄筋５を配設し、コンクリート流入間隙３内に
コンクリートを流入し、硬化せしめてコンクリート擁壁
を形成する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。In the invention as claimed in claim 1, a predetermined number of formworks 2 having a desired pattern formed on their surfaces are arranged in series, and a concrete inflow gap 3 forming a desired wall thickness is interposed behind the formwork rows 2'. A backing plate 7 is erected to fill this concrete inflow gap 3.
This relates to a construction method for a concrete retaining wall, which is characterized in that reinforcing reinforcing bars 5 are disposed within the concrete retaining wall, concrete is poured into the concrete inflow gap 3, and is hardened to form a concrete retaining wall.
請求項２記載の発明は、表面に自然石風口部１を形成し
た型枠２を所定個連設せしめて配置し、この型枠列２′
の背後に所望壁厚を形成する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内に補強鉄筋５を配設し、コンクリート流入間隙
３内にコンクリートを流入し、硬化せしめてコンクリー
ト擁壁を形成する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。In the invention as claimed in claim 2, a predetermined number of formworks 2 having natural stone-like openings 1 formed on their surfaces are arranged in series, and this formwork row 2'
A backing plate 7 is erected with a concrete inflow gap 3 that forms a desired wall thickness behind the concrete inflow gap 3, reinforcing reinforcing bars 5 are arranged in this concrete inflow gap 3, and concrete flows into the concrete inflow gap 3. The present invention relates to a method for constructing a concrete retaining wall, which is characterized in that the concrete retaining wall is formed by hardening the concrete retaining wall.
請求項３記載の発明は、表面に自然石風口部ｌを形成し
た繊維補強コンクリート製の型枠２を所定個連設せしめ
て配置し、この繊維補強コンクリート製の型枠列２°の
背後に所望壁厚を形成する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内に補強鉄筋５を配設し、コンクリート流入間隙３
内にコンクリートを流入し、硬化せしめてコンクリート
擁壁を形成する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。The invention as set forth in claim 3 is such that a predetermined number of formworks 2 made of fiber-reinforced concrete with natural stone openings l formed on the surface are arranged in series, and behind the formwork rows 2 degrees made of fiber-reinforced concrete. A backing plate 7 is erected with a concrete inflow gap 3 forming a desired wall thickness interposed therebetween, reinforcing reinforcing bars 5 are arranged in this concrete inflow gap 3, and the concrete inflow gap 3 is erected.
This relates to a method of constructing a concrete retaining wall, which is characterized by pouring concrete into the wall and hardening it to form a concrete retaining wall.
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
横所定個連設せしめて配設し、この型枠列２′の背後に
所望壁厚を形成する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 foundation 6 is formed at a desired position for forming a concrete retaining wall, and a predetermined number of formworks 2 with a desired pattern formed on the surface are arranged in series on the foundation 6, both vertically and horizontally. A backing plate 7 is installed with a concrete inflow gap 3 interposed therebetween to form a desired wall thickness, concrete is poured into this concrete inflow gap 3, and after hardening, the backing plate 7 is removed and the surface becomes the desired thickness. Forming a patterned concrete retaining wall.
擁壁には型枠２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に
形成される。Since the formwork 2 remains embedded in the retaining wall, the completed concrete retaining wall is formed into a retaining wall with a desired pattern on the surface.
請求項２記載の発明は表面に自然石風口部１を形成した
型枠２を用いる為、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の擁壁となる。Since the invention according to claim 2 uses a formwork 2 having a natural stone opening 1 formed on its surface, the surface of the completed concrete retaining wall will have the appearance of being embedded with natural stones.
請求項３記載の発明の場合には、型枠２を引っ張り強度
を発揮させる為、ガラス繊維補強コンクリート（ＧＦＲ
Ｃ）、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）を用いる。In the case of the invention described in claim 3, in order to make the formwork 2 exhibit tensile strength, glass fiber reinforced concrete (GFR) is used.
C), using fiber reinforced concrete (FRC) such as steel fiber reinforced concrete (SFRC) and carbon fiber reinforced concrete (CFRC).
次に、請求項１．２に係る発明に用いる型枠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
ることで請求項２記載の発明に係る自然石の形状がより
鮮明に表現できることになる。Next, a method for manufacturing the formwork 2 used in the invention according to claim 1.2 when it is formed of fiber reinforced plastic (FRP) will be explained. In addition, by making the formwork made of FRP, the shape of the natural stone according to the invention described in claim 2 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、ブリフレグ状態の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。We selected natural stones of various shapes and sizes, applied a mold release agent to each one, coated approximately half of the natural stones with a brief FRP board, and hardened them 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
塗布しガラス不織布や織布若しくは両者を重ね、これを
繰り返してＦＲＰ′＃、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 is a method in which unsaturated polyester resin is applied to approximately half of a natural stone, glass non-woven fabric, woven fabric, or both are layered, this is repeated to laminate FRP'#, and the material is hardened using a hardening agent. May be adopted.
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休を作る。A modeling material such as plaster or cement mortar is poured into this mold, a mold release agent for resin is applied to the inner surface of the mold, and unsaturated polyester resin is laminated inside the mold to create natural stone.
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
半休をその自然石半休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。A large number of natural stone blocks having different shapes and sizes thus made are arranged and fixed to the base frame in such a manner that all or part of the natural stone blocks are accommodated within the base frame, taking into consideration the combination and design.
この自然石半休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 is placed and fixed, and a prepreg FRP board is coated and cured under heat and pressure to produce the FRP formwork 2.
This process may be repeated by applying an unsaturated polyester resin, layering it with a glass nonwoven fabric, or both, to laminate the FRP material, and curing it by using a curing agent in combination).
このＦＲＰ製の型枠２の内面に補強の為、コンクリート
を通過せしめる連通孔８′を有するリブ８を架設する。For reinforcement, a rib 8 having a communicating hole 8' through which concrete passes is installed on the inner surface of the FRP formwork 2.
このようにして完成したＦＲＰ製の型枠２を、ボルト・
ナツトにより複数個連設せしめて、ＦＲＰ製の型枠列２
゛を形成する。The FRP formwork 2 completed in this way is then bolted and
Multiple rows of FRP formworks are connected using nuts.
form.
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はナツトである。In the figure, reference numeral 9 is a bolt hole for connecting the FRP formworks 2, 10 is a crosspiece, 11 is a holding rod for holding the concrete inflow gap 3, and 4 is a nut.
次に、請求項３記載の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。Next, a method of manufacturing the formwork 2 using the fiber-reinforced concrete according to claim 3 will be described.
自然石半休の成形は上述と同様である。The shaping of the natural stone Hankyu is the same as described above.
この自然石半休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 is placed and fixed, and a prepreg FRP board is coated and cured under heat and pressure to produce an FRP template. (It is also possible to adopt a method in which an unsaturated polyester resin is applied and the unsaturated polyester resin is layered with a glass nonwoven fabric or both of them. This process is repeated to laminate the FRP material, and then the FRP material is cured using a curing agent.)
このＦＲＰ製の雛型（生産型）の成形凹部側に雛形剤を
塗布又は散布した後、下記の配合のＦＲＣを吹き付は法
（スプレー法）により付着せしめ、ＦＲＣ硬化後、ＦＲ
Ｐ製の雛型を取り外し、本願に係る型枠２を成形する。After applying or scattering the molding agent on the molding concave side of this FRP mold (production mold), FRC of the following composition is applied by spraying method, and after the FRC hardens, the FR
The template made of P is removed, and a formwork 2 according to the present application is formed.
型枠２の成形に用いた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 for molding the mold 2 is as follows, and it has been found through experiments that the following blending ratio is the most desirable.
１ｍ’当たりの標準的配合比
セメント ： ５００（ｋｇ／ｍ’）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を図
示しているが、第４図のように曲線縁に形成して良い。Standard mixing ratio of cement per 1 m': 500 (kg/m') Water-cement ratio = 50 (%) Air content = 2 (%) Fine aggregate ratio = 100 (%)...Ratio of gravel and sand Glass Mixing rate = 1 (%)... Percentage of glass mixed in volume ratio Note that the formwork 2 in the drawing shows a case where each side edge is formed into a straight edge, but as shown in Fig. 4, it is curved. It can be formed around the edges.
請求項１記載の発明は、上述のように型枠をそのま利用
し、コンクリート擁壁の中に残存させてコンクリド擁壁
を形成する方法である為、−々型で作ったブロクを保管
したり、現場まで運んだりする手間が一切省現場でこの
型枠を積み重ねてコンクリートを流し込むいう簡単な作
業で擁壁が形成でき、施工性に非常に秀たコンクリート
擁壁の施工法となる。The invention as claimed in claim 1 is a method of forming a concrete retaining wall by using the formwork as it is and leaving it in the concrete retaining wall as described above, so the blocks made with the molds are stored. The retaining wall can be formed with the simple task of stacking the formwork and pouring concrete on-site, eliminating the need to transport the formwork to the site, making it a concrete retaining wall construction method that is extremely easy to construct.
更に、本発明は、型枠を上下左右に連設すれば施工所の
大きさに合わせて任意の大きさ、形の連続的な白石風擁
壁が形成し得ることになる。Furthermore, according to the present invention, if formwork is installed vertically and horizontally, a continuous white stone-style retaining wall of any size and shape can be formed according to the size of the construction site.
また、請求項２記戦の発明は、自然石を積み上げた態の
自然石風凸部を有する型枠を採用する構造としたら、自
然石を積み上げずとも、自然石を嵌め込み状態積み上げ
たと同様な形状の擁壁が簡単且つ経済的に作得ることに
なる。In addition, the invention of claim 2 provides that if the structure adopts a formwork having a natural stone-like convex part in which natural stones are piled up, it will be possible to create a structure similar to that in which natural stones are inlaid and piled up, without stacking natural stones. A retaining wall of this shape can be easily and economically produced.
また、請求項３記載の発明は型枠を繊維補強コンフート
製とするから、型枠自体の引っ張り強度が増し、て、完
成した擁壁が非常に強固になると共に、型枠を常に薄く
することが可能となり、従って、型枠の軽量が図れ、運
搬等に非常に便利となる。Furthermore, since the formwork is made of fiber-reinforced comfort, the tensile strength of the formwork itself increases, making the completed retaining wall very strong and making it possible to keep the formwork thin. This makes it possible to reduce the weight of the formwork, making it very convenient to transport.
図面は本発明の一実施例を示すもので、第１図は本明に
使用する型枠の一部を切り欠いた斜視図、第２図本発明
の使用状態を示す縦断面図、第３図は本発明に用する型
枠の配列を示す説明図、第４図は本発明に使する型枠の
側倒の配列を示す説明正面図である。
１・・・自然石風凸部、２・・・型枠、２°・・・型枠
列、３・・・コンリート流入間隙、
５・・・補強鉄筋、
７・・・裏止板。
昭和６３年The drawings show one embodiment of the present invention, and FIG. 1 is a partially cutaway perspective view of a formwork used in the present invention, FIG. 2 is a vertical sectional view showing the state in which the present invention is used, and FIG. The figure is an explanatory view showing the arrangement of the formwork used in the present invention, and FIG. 4 is an explanatory front view showing the arrangement of the formwork used in the present invention in a sideways arrangement. 1...Natural stone style convex portion, 2...Formwork, 2°...Formwork row, 3...Concrete inflow gap, 5...Reinforcement bar, 7...Backing plate. 1986
Claims (1)
て配置し、この型枠列の背後に所望壁厚を形成するコン
クリート流入間隙を介在せしめて裏止板を立設し、この
コンクリート流入間隙内に補強鉄筋を配設し、コンクリ
ート流入間隙内にコンクリートを流入し、硬化せしめて
コンクリート擁壁を形成することを特徴とするコンクリ
ート擁壁の施工法。 ２ 表面に自然石風凸部を形成した型枠を所定個連設せ
しめて配置し、この型枠列の背後に所望壁厚を形成する
コンクリート流入間隙を介在せしめて裏止板を立設し、
このコンクリート流入間隙内に補強鉄筋を配設し、コン
クリート流入間隙内にコンクリートを流入し、硬化せし
めてコンクリート擁壁を形成することを特徴とするコン
クリート擁壁の施工法。 ３ 表面に自然石風凸部を形成した繊維補強コンクリー
ト製の型枠を所定個連設せしめて配置し、この繊維補強
コンクリート製の型枠列の背後に所望壁厚を形成するコ
ンクリート流入間隙を介在せしめて裏止板を立設し、こ
のコンクリート流入間隙内に補強鉄筋を配設し、コンク
リート流入間隙内にコンクリートを流入し、硬化せしめ
てコンクリート擁壁を形成することを特徴とするコンク
リート擁壁の施工法。[Scope of Claims] 1. A predetermined number of formworks having a desired pattern formed on their surfaces are arranged in series, and a backing plate is provided with a concrete inflow gap that forms a desired wall thickness behind the formwork rows. A method of constructing a concrete retaining wall, which is characterized in that a concrete retaining wall is constructed by installing a concrete retaining wall upright, arranging reinforcing reinforcing bars in the concrete inflow gap, and allowing concrete to flow into the concrete inflow gap and harden to form a concrete retaining wall. 2 A predetermined number of formworks with natural stone-like protrusions formed on their surfaces are arranged in series, and a backing plate is erected behind the formwork rows with a concrete inflow gap that forms the desired wall thickness. ,
A method of constructing a concrete retaining wall, which is characterized in that reinforcing reinforcing bars are placed in the concrete inflow gap, concrete is poured into the concrete inflow gap, and is allowed to harden to form a concrete retaining wall. 3 A predetermined number of fiber-reinforced concrete formworks with natural stone-like protrusions formed on the surface are arranged in series, and a concrete inflow gap that forms the desired wall thickness is created behind the rows of fiber-reinforced concrete formworks. A concrete retaining wall characterized in that a backing plate is erected with a backing plate interposed therebetween, reinforcing reinforcing bars are placed in the concrete inflow gap, concrete flows into the concrete inflow gap, and is hardened to form a concrete retaining wall. Wall construction method.
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 true JPH02128021A (en) | 1990-05-16 |
| JPH0781276B2 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) |
Citations (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
Patent Citations (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0781276B2 (en) | 1995-08-30 |
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