JP2004216819A - Manufacturing process of artificial stone panel - Google Patents

Manufacturing process of artificial stone panel Download PDF

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Publication number
JP2004216819A
JP2004216819A JP2003009597A JP2003009597A JP2004216819A JP 2004216819 A JP2004216819 A JP 2004216819A JP 2003009597 A JP2003009597 A JP 2003009597A JP 2003009597 A JP2003009597 A JP 2003009597A JP 2004216819 A JP2004216819 A JP 2004216819A
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Japan
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pseudo
stone
pseudo stone
stones
molding
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JP2003009597A
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Japanese (ja)
Inventor
Naoyuki Hashimoto
尚幸 橋本
Tomohisa Onouchi
智久 尾内
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Ekomu Kk
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Ekomu Kk
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  • Moulds, Cores, Or Mandrels (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To produce an artificial stone panel comprising a large number of artificial stones having a nearly same size and being respectively different in shape and enabling to form individual artificial stones to be a shape of a natural stone and to form the artificial stone with a desired size by using a single form. <P>SOLUTION: A molding form 11 for producing the artificial stone panel 1 formed by arranging and fixing a large number of the artificial stones 2 to unify as a panel shape on an expanded metal 4 is constructed by a box type form 12 and a partition plate 13 engaged as to be removable to the box type form 12, and a large number of the artificial stone form parts are formed in the inside of the same. Sands for molding 15 are spread all over on each of the artificial stone form parts for the artificial stone as a shape of a female form imitating a natural stone, ready-mixed concrete is casted and an insert is formed in each of the frames for the artificial stone. After the concrete is cured, a vegetating substrate material 5 and the expanded metal 4 are put on the molding form 11 and an anchor bolt 3B is inserted from the top and screwed to fix. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、石は自然石に摸して成形するので自然の景観を損なうことがないことから護岸、擁壁、歩道その他の構築物に用いて好適であり、しかも現場での施工期間の短縮やコストの低減を図ることができる擬石パネルを効率的に製造する擬石パネルの製造方法に関する。
【0002】
【従来の技術】
従来、護岸や擁壁の形成には自然石を積層したり、列設することが行われているが、自然石を収集して現場で積層或は列設するための作業量が多く、施工に長期間を要すると共に費用が嵩むこと、自然石を基板等に強固に連結する作業が面倒であるという問題がある。そこで、自然石或は自然石に摸して成形したコンクリート製の擬石をエキスパンドメタル等の多孔基板に固定した石積みパネルが用いられるようになっている。
【0003】
従来の石積みパネルは、収集した自然石を略同じ大きさに選別した後、1個毎にアンカー挿設用穴を穿設し、エキスパンドメタル等の多孔基板にアンカーボルトを介して締着固定することにより製造している。この種の石積みパネルを示す先行技術として、例えば特開2001−348834によって本件出願の発明者が開示したものがある。また、自然石に替えて自然石に摸した擬石を用いる石積みパネルも用いられている。この擬石を用いる石積みパネルは、シリコン、金属、繊維強化プラスチック或はゴム等からなる型枠にコンクリートを流し込んで1個ずつ成形した擬石を自然石と同様に多孔基板にアンカーボルトにより締着固定することにより製造するものである。
【0004】
【発明が解決しようとする課題】
自然石又は擬石を用いる石積みパネルは個々の石を多孔基板に固定するので強度性に優れている、パネル単位で施工するので工事が容易であるという長所がある。また、擬石を用いる場合は、多数の擬石を多孔基板に列設固定する作業を予め工場で行うことができるので、現場の作業期間を大幅に短縮することができるという利点や、大きさが略一定の石からなる石積みパネルを製造できるという利点がある。しかし、設置場所や設置目的に応じた大きさの自然石を揃えた石積みパネルを製造することは殆ど不可能である。また、自然石や擬石を1個ずつ成形する作業及び成形した擬石を多孔基板に1個ずつアンカーボルトで固定する作業は面倒で日数が掛るし、コストが嵩むという未解決の問題がある。
【0005】
本発明は上述した従来技術の問題点に鑑みなされたもので、略同大でしかも形状が夫々異なる多数の擬石からなる擬石パネルを製造することができるし、個々の擬石を自然石に摸した形状に成形した擬石パネルを製造することもできる擬石パネルの製造方法を提供すること、及び1の型枠で所望の大きさの擬石を成形することができる擬石パネルの製造方法を提供することを目的とする。
【0006】
【課題を解決するための手段】
上述した課題を解決するために構成された本発明の手段は、成形型枠に画成した多数の擬石型枠部内に成形用砂を自然石に摸した雌型の形状に敷詰め、該各擬石型枠部にコンクリートを流し込み、前記成形型枠に上方から連結体を配置して該コンクリートに固着することにより、該コンクリートが硬化して形成される多数の擬石を該連結体を介してパネル状に一体に列設し、しかる後前記成形型枠から脱型するようにしたものからなる。
【0007】
そして、前記成形型枠は、有底の枠体と、該枠体内に挿脱可能に配設する仕切板とから構成するとよい。このように構成することにより、形状の異なる仕切板を交換して多様な形状の擬石を形成することができる。
【0008】
また、前記多数の擬石型枠部は、容積を略一定に設定し、該各擬石型枠部に敷詰める前記成形用砂の量を調整することにより前記擬石の大きさを設定するとよい。この製造方法により、大きさが異なる擬石を容易に成形することができるし、パネル全体の重量調整も容易に行うことができる。
【0009】
更に、前記擬石型枠部に敷詰める前記成形用砂は、保形剤を用いて形状を保持させるようにするとよい。これは、成形用砂によって形状保持力に強弱があることから、保形剤を使用することにより形状保持力を高めるためである。
【0010】
更に、前記連結体には多孔板を用い、成形する各擬石に植設して該多孔板に挿通する固定部材により該連結体に前記多数の擬石を列設固着するようにするとよい。この製造方法によれば、コンクリートが硬化する前に固定部材を植設するので、成形した擬石にボルト穴を穿設する作業は不要であり作業効率に優れている。
【0011】
また、前記連結体は、その構成部分のいずれかが前記多数の擬石型枠部の各々に位置する形状に構成し、該いずれかの構成部分は成形される各擬石に埋設した状態で固着させるとよい。この製造方法によれば、個々の擬石を連結体に固着する作業は不要であるし、各擬石と連結体が強固に連結した強度性に優れた擬石パネルにすることができる。
【0012】
【発明の実施の形態】
以下、本発明の実施の形態を図面に基づき詳述する。図1乃至図7は第1の実施の形態を示す。図において、1は平面長方形に形成した擬石パネルを示し、該擬石パネル1は表面2Aを自然石に摸して成形した多数のコンクリート製擬石2、2、・・・と、該各擬石2に裏面2Bから固定部材3、3、・・・を用いて固着することにより多数の擬石2、2、・・・をパネル状に一体に支持するエキスパンドメタル4と、擬石2、2、・・・とエキスパンドメタル4との間に挟装した植生基盤材5とから構成してある。
【0013】
ここで、該エキスパンドメタル4は成形枠体11より若干大きく形成してあり、縁部はパネルを列設する場合に隣接するエキスパンドメタル4の縁部と重畳して連結するためのラップ部4Aとしてある。また、該植生基盤材5は草木の種子や魚類の卵等を定着させるためのもので、例えば椰子繊維や藁等の植物性繊維をシート状に編成したものを用いるとよい。なお、植生基盤材5は擬石パネル1を設置する河川や湖沼等の設置場所に応じて挟装するものである。
【0014】
図2は前記擬石パネル1を製造するために用いる成形型枠を示す。該成形型枠11は長方形の底板12Aと、該底板12Aの四辺から起立する前後側板12B、12C及び左右側板12D、12Eからなる上方が開放した鋼板製の箱形枠体12と、該箱形枠体12に嵌脱可能に嵌合した鋼板、繊維強化プラスチック或は硬質ゴム等からなる仕切板13とから構成してある。該仕切板13は成形する個々の擬石2、2、・・・の異なる形状を考慮して成形した多数の仕切片3A、3B、・・・3Qを図2に示すように適宜に連結して一体に構成したものからなっている。そして、箱形枠体12に仕切板13を嵌合することにより、成形型枠11内には各々の形状は異なるが容積を略等しく設定した複数の擬石型枠部14、14、・・・が画成してある。
【0015】
次に、上述の構成からなる成形型枠11を用いて擬石パネル1を製造する工程について説明する。先ず、図3乃至図5に示すように、各擬石型枠部14内に所定量の成形用砂15を仕切板13の上端側まで敷き詰め、擬石2の表面2Aが自然石を摸した形状になるようにその内面15Aを凹凸のある凹湾曲面に成形する。使用する砂にはシルトの含有量が多く形状保持力の高い山砂を用いるとよい。なお、使用する砂によっては形状保持力に強弱の差があるから、形状保持力が弱い砂には必要に応じて適量の糊を添加したり、水を吹き付けたりする等、糊、水、粘土等の保形剤を用いて形状保持力を高めるとよい。
【0016】
各擬石型枠部14内に成形用砂15を敷き詰めて内面15Aを上述の如く成形したら、擬石型枠部14に成形枠体11の上端11Aまで生コンクリートを流し込んで擬石形成体2’とし、その裏面2’Aを平坦に均す。次に、生コンクリートが硬化する前に、各擬石型枠部14毎に固定部材3を構成するインサート3Aを擬石形成体2’に裏面2’A側から挿設する。
【0017】
最後に、生コンクリートが硬化して多数の擬石2、2、・・・が成形されたら、成形枠体11の上に略同形の大きさに形成した植生基盤材5を全面に被せ、その上にエキスパンドメタル4を被せる。植生基盤材5を挾んだ状態でエキスパンドメタル4を成形枠体11上に載置したら、上方から挿通したアンカーボルト3Bをインサート3Aに螺合してエキスパンドメタル4を各擬石2に強固に締結する。これにより、多数の擬石2、2、・・・をエキスパンドメタル4によってパネル状に一体に列設した擬石パネル1が完成する。
【0018】
このようにして擬石パネル1が完成したら、図7に示すようにクレーンAにより擬石パネル1を引き上げて成形型枠11から脱型し、設置場所に列設して隣接する擬石パネル1同士のエキスパンドメタル4のラップ部4A、4Aを重ねて図示しないボルト・ナットで連結することにより、擬石パネル1、1、・・・を河岸、法面或は地盤上に敷設する。
【0019】
なお、擬石パネル1に強度性が必要な場合には、エキスパンドメタル4に四角形や格子状の金属製枠を付設して剛性を高める構成にすればよい。これにより、設置時にパネルの撓みがないから施工性を高める効果もある。
【0020】
また、実施の形態では連結体としてエキスパンドメタル4を用いたが、パンチングメタルや金網を用いてもよい。
【0021】
次に、図8乃至図10は本発明の第2の実施の形態に係る擬石パネルの製造方法について説明する。図8において、21は本実施の形態の製造方法により製造した擬石パネルを示す。該擬石パネル21は表面22Aを自然石に摸して成形した多数のコンクリート製擬石22、22、・・・と、該各擬石22の裏面22B側に埋設した状態で固着され、多数の擬石22、22、・・・をパネル状に一体に支持する連結体23(図9参照)と、四隅に位置する擬石22、22、・・に植設した略円環状の隅部連結フック24、24、・・と、擬石パネル21の長手方向略中間に位置して擬石22に植設した略U字状の中間連結フック25、25とから構成してある。
【0022】
ここで、上述のように多数の擬石22、22、・・・を一体に連結するための連結体23は、図9に示すように複数本の線材、例えば棒鋼を溶接手段により連結して構成したものからなっている。即ち、連結体23は2本の短尺材23A、23A及び2本の長尺材23B、23Bを長方形に連結し、対向する長尺材23B、23B間に連結材23C、23C、・・を斜めの状態で架設した形状にすることにより、短尺材23A、長尺材23B及び連結材23Cのいずれかの部分が後述する多数の擬石型枠部34、34、・・・の各々に必ず位置するようにしてある。なお、短尺材23A、長尺材23B及び連結材23Cは必要に応じて屈曲さればよい。
【0023】
31は擬石パネル21を製造するために用いる成形型枠を示す。該成形型枠31は長方形の底板32Aと、該底板32Aの四辺から起立する前後側板32B、32C及び左右側板32D、32Eとからなる上方が開放した鋼板製の箱形枠体32と、該箱形枠体32内に嵌脱可能に嵌合した鋼板、繊維強化プラスチック、硬質ゴム等からなる仕切板33とから構成してある。該仕切板33は成形する個々の擬石22、22、・・・の大きさに対応して裁断した多数の仕切片33A、33B、・・・33Nを図2に示す仕切板13と同様にして適宜に連結することにより一体に構成したものからなっている。そして、箱形枠体32に仕切板33を嵌合することにより、成形型枠31には第1の実施の形態と同様に個々の形状は異なるが容積を略等しく設定した複数の擬石型枠部34、34、・・・が画成してある。また、各仕切片33A、33B、・・・33Nの上端側には連結体23の短尺材23A、長尺材23B又は連結材23Cのいずれかが嵌入する少なくとも1個の略U字状の切欠き35、35、・・・が形成してある。
【0024】
36、36、・・・は隅部連結フック24を嵌入させるための各一対の縦長の切欠き部で、該切欠き部36、36は箱形枠体32の4か所の角隅に位置して前側板32Bと左側板32D、前側板32Bと右側板32E、及び後側板32Cと左側板32D、後側板32Cと右側板32Eの各上端側に形成してある。また、37、37、・・は中間連結フック25、25を嵌入させるための各一対の縦長の切欠き部で、該切欠き部36、36は箱形枠体32の左側板32Dと右側板32Eの各上端側に形成してある。
【0025】
本実施の形態によれば、成形型枠31の各擬石型枠部34に成形用砂35を敷き詰めて自然石に摸した雌型の形状に形成し、成形型枠31に上方から連結体23を嵌合して配置した後、各擬石型枠部34に成形型枠31の上端31Aまで生コンクリートを流し込み、生コンクリートが硬化する前に各隅部連結フック24及び中間連結フック25を外側から生コンクリートに差し込む。そして、生コンクリートが硬化することにより、埋設した状態の連結体23が多数の擬石22、22、・・・を一体に、かつ強固に連結した擬石パネル21を製造することができる。
【0026】
このように、成形型枠31に連結体23を配置し、生コンクリートを流し込むだけで個々の擬石22が連結体23に固着した擬石パネル21を容易に製造することができる。しかも、連結体23は個々の擬石22に埋設した状態で固着しているから、製造される擬石パネル21は極めて高い強度性を有している。
【0027】
なお、第2の実施の形態では、連結体23の構成材料に棒鋼を用いたが、鋼線を用いてもよい。鋼線は棒鋼と比較して可撓性があり、連結体は設置場所の地形に応じて変形することにより擬石パネル21は設置面に添った状態になるので安定性に優れているし、地盤を掘削して整地する作業も必要最小限で足りるから施工性にも優れている。
【0028】
ところで、型枠を用いて擬石を個々に成形する従来工法にあっては、パネルの単位面積当たりの重量が例えば320kg、340kg、350kgのように異なる場合には重量毎の複数の型枠を必要としている。しかし、第1及び第2の各実施の形態によれば、各擬石型枠部14、34の容積は略一定に設定してあるから、敷き詰める成形用砂15、35の量を増減することにより擬石2、22の大きさを任意に変えることができるので、1の成形型枠11、31を用いて重量の異なる擬石パネルを製造することが可能である。また、例えば丸みを帯びた擬石からなる擬石パネルとか、角張った擬石からなる擬石パネルのように設置する場所に相応しい擬石パネルを容易に製造することができる。
【0029】
また、各実施の形態で用いる成形型枠11、31を構成する箱型枠体12、32は、底板12A、32Aを下方にヒンジを介して開放可能に構成してもよいし又は嵌脱可能に構成してもよい。これにより、擬石パネル1、21を脱型した後に成形用砂15、35を成形型枠11、31から排出する作業を簡単に、能率よく行うことができる。
【0030】
【発明の効果】
本発明は以上詳述した如く構成したから下記の諸効果を奏する。
(1)成形型枠に画成した多数の擬石型枠部にコンクリートを流し込んで硬化させ、形成される多数の擬石に連結体を一体に固着する製造方法であるから、自然石や1個ずつ成形した擬石を1個毎に基板に固定する従来技術と比較して効率よく擬石パネルを製造することができるし、製造コストを約3分の1に低減することができる。
(2)擬石型枠部内に成形用砂を自然石の雌型となる形状に敷き詰めるので、形状が自然石に近い擬石を成形することができるし、擬石が1個たりとも同一形状のものはない擬石パネルを製造することができるから、自然の景観に近い施工結果に仕上げることができるし、使用に適した自然石を収集する時間と費用を削減できる。
(3)成形型枠は枠体に仕切板を挿脱可能に配設する構成とし、形状の異なる仕切板と交換できるようにしたから、1の成形型枠で多様な形状の擬石を容易に成形することができるし、成形型枠に掛る設備費、維持費、保管費用等を抑制することができる。
(4)多数の擬石型枠部は容積を略一定に設定してあり、各擬石型枠部に敷き詰める成形用砂の量を調整することにより施工場所に応じて擬石の大きさを任意に設定することができる。従って、パネル単位で大きさの異なる擬石を容易に成形することができるし、パネル全体の重量調整も容易に行うことができる。
(5)擬石型枠部に敷き詰める成形用砂は、保形剤を用いて形状を保持させるようにするから、形状保持力が十分でない成形用砂であっても自然石を摸した任意の形状の擬石を成形することができる。
(6)連結体には多孔板を用い、成形する各擬石に植設して該多孔板に挿通する固定部材により該連結体に多数の擬石を固着するようにしてあり、生コンクリートが硬化する前に固定部材を植設することにより、成形した擬石にボルト穴を穿設する作業は不要になるので作業効率に優れている。
(7)連結体は、その構成部分のいずれかが多数の擬石型枠部の各々に位置する形状に構成し、いずれかの構成部分は成形される各擬石に埋設した状態で固着させるようにしたから、個々の擬石を連結体に固着する作業が不要であるし、各擬石と連結体が強固に連結した強度性の高い擬石パネルにすることができる。
【図面の簡単な説明】
【図1】図1乃至図7は本発明の第1の実施の形態に係り、図1は擬石パネルの外観斜視図である。
【図2】成形型枠の全体構成を示す斜視図である。
【図3】成形用砂を敷き詰めた成形型枠の斜視図である。
【図4】成形用砂を敷き詰めた成形型枠の縦断面図である。
【図5】擬石型枠部に成形した擬石に植生基盤材とエキスパンドメタルを固着する工程を示す説明図である。
【図6】脱型する工程前の擬石パネルの部分拡大断面図である。
【図7】擬石パネルを成形型枠から脱型する工程を示す説明図である。
【図8】図8乃至図10は第2の実施の形態に係り、図8は擬石パネルの外観斜視図である。
【図9】成形型枠に連結体を配置した構成を示す斜視図である。
【図10】脱型する工程前の擬石パネルの部分拡大断面図である。
【符号の説明】
1、21 擬石パネル
2、22 擬石
3 固定部材
4 エキスパンドメタル
5 植生基盤材
11、31 成形型枠
12、32 箱形枠体
13、33 仕切板
14、34 擬石型枠部
15、35 成形用砂
23 連結体
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention is suitable for use in seawalls, retaining walls, sidewalks, and other structures because the stone is formed by imitating natural stone and does not impair the natural scenery. The present invention relates to a method for manufacturing a pseudo stone panel for efficiently manufacturing a pseudo stone panel capable of reducing costs.
[0002]
[Prior art]
Conventionally, natural stones have been stacked or lined up to form revetments and retaining walls.However, the amount of work required to collect natural stones and stack or line them up at the site is large. However, there is a problem that it takes a long time and costs are high, and the work of firmly connecting natural stone to a substrate or the like is troublesome. For this reason, a masonry panel in which natural stone or a pseudo stone made of a concrete model imitating natural stone is fixed to a porous substrate such as expanded metal has been used.
[0003]
A conventional masonry panel sorts collected natural stones into substantially the same size, then drills holes for anchor insertion for each piece, and fastens and fixes to a porous substrate such as expanded metal via anchor bolts. It is manufactured by. As a prior art showing such a masonry panel, there is one disclosed by the inventor of the present application in, for example, JP-A-2001-348834. Masonry panels using artificial stones simulating natural stones instead of natural stones are also used. In the masonry panel using this pseudo stone, a pseudo stone formed by pouring concrete into a mold made of silicon, metal, fiber reinforced plastic or rubber or the like and forming one by one is fastened and fixed to a porous substrate by anchor bolts in the same manner as natural stone. It is manufactured by this.
[0004]
[Problems to be solved by the invention]
Masonry panels using natural stones or pseudo stones have the advantage that they are excellent in strength because individual stones are fixed to the porous substrate, and that construction is easy because they are constructed in panel units. In addition, in the case of using pseudo stones, the work of arranging and fixing a large number of pseudo stones on the porous substrate can be performed in a factory in advance. There is an advantage that a masonry panel made of a certain stone can be manufactured. However, it is almost impossible to manufacture a masonry panel in which natural stones of a size corresponding to an installation place and an installation purpose are arranged. Further, there is an unsolved problem that the operation of forming natural stones and pseudo stones one by one and the operation of fixing the formed pseudo stones to the porous substrate one by one with anchor bolts are troublesome, require many days, and increase costs.
[0005]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems of the related art, and can produce a pseudo stone panel including a large number of pseudo stones having substantially the same size and different shapes, and has simulated each pseudo stone as a natural stone. It is an object of the present invention to provide a method of manufacturing a pseudo stone panel that can also manufacture a pseudo stone panel formed into a shape, and to provide a method of manufacturing a pseudo stone panel that can form a pseudo stone of a desired size with one mold. Aim.
[0006]
[Means for Solving the Problems]
Means of the present invention configured to solve the above-described problem is to spread a molding sand into a female shape in which the sand for molding is imitated as natural stone in a large number of pseudo-stone mold portions defined in the molding mold. Concrete is poured into the pseudo stone formwork, and a connecting body is disposed from above on the forming form and fixed to the concrete, whereby a number of pseudo stones formed by hardening of the concrete are paneled through the connecting body. In a row, and then detached from the mold.
[0007]
The molding die frame may include a bottomed frame and a partition plate that is removably inserted into the frame. With this configuration, various shapes of pseudo stones can be formed by exchanging the partition plates having different shapes.
[0008]
Further, it is preferable that the volume of the pseudo stone formwork is set to be substantially constant, and the size of the pseudo stone is set by adjusting the amount of the molding sand spread on each pseudo stone formwork. With this manufacturing method, pseudo stones having different sizes can be easily formed, and the weight of the entire panel can be easily adjusted.
[0009]
Further, it is preferable that the molding sand spread on the pseudo-stone formwork portion retain its shape using a shape-retaining agent. This is because the shape-retaining force is varied depending on the sand for molding, and the shape-retaining agent is used to enhance the shape-retaining force.
[0010]
Further, it is preferable that a perforated plate is used as the connecting body, and that a large number of the pseudo stones are arranged and fixed to the connecting body by a fixing member that is planted on each pseudo stone to be formed and inserted through the perforated plate. According to this manufacturing method, since the fixing member is planted before the concrete hardens, the operation of drilling a bolt hole in the formed artificial stone is unnecessary and the working efficiency is excellent.
[0011]
In addition, the connecting body is configured such that any one of its constituent parts is located in each of the plurality of pseudo stone form parts, and any one of the constituent parts is fixed in a state of being embedded in each pseudo stone to be formed. Good. According to this manufacturing method, there is no need to perform an operation of fixing individual pseudo stones to the linked body, and a pseudo stone panel having excellent strength in which each pseudo stone and the linked body are firmly connected can be obtained.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 7 show a first embodiment. In the drawing, reference numeral 1 denotes a pseudo-stone panel formed in a flat rectangular shape. The pseudo-stone panel 1 includes a plurality of concrete pseudo-stones 2, 2,. An expanded metal 4 that integrally supports a large number of pseudo stones 2, 2,... In a panel shape by being fixed from the back surface 2B using fixing members 3, 3,. And an expanded metal 4 and a vegetation base material 5 sandwiched between them.
[0013]
Here, the expanded metal 4 is formed to be slightly larger than the molded frame body 11, and an edge portion thereof serves as a wrap portion 4 </ b> A for overlapping and connecting with an edge portion of the adjacent expanded metal 4 when arranging panels. is there. The vegetation base material 5 is for fixing plant seeds, fish eggs, and the like. For example, it is preferable to use a sheet of knitted plant fibers such as coconut fiber and straw. In addition, the vegetation base material 5 is sandwiched according to the installation location such as a river or a lake in which the pseudo stone panel 1 is installed.
[0014]
FIG. 2 shows a forming mold used for manufacturing the pseudo stone panel 1. The forming mold frame 11 includes a rectangular bottom plate 12A, a box-shaped frame member 12 made of a steel plate having an open upper part and including front and rear side plates 12B and 12C and left and right side plates 12D and 12E rising from four sides of the bottom plate 12A. A partition plate 13 made of a steel plate, fiber reinforced plastic, hard rubber, or the like, which is fitted to the frame body 12 so as to be able to be fitted thereto and detached therefrom. The partition plate 13 is formed by appropriately connecting a large number of partition pieces 3A, 3B,... 3Q formed in consideration of the different shapes of the individual artificial stones 2, 2,. It is composed of one piece. Then, by fitting the partition plate 13 to the box-shaped frame 12, a plurality of pseudo-stone frame portions 14, 14,. Is defined.
[0015]
Next, a process of manufacturing the artificial stone panel 1 using the molding die frame 11 having the above configuration will be described. First, as shown in FIGS. 3 to 5, a predetermined amount of molding sand 15 is spread to the upper end side of the partition plate 13 in each pseudo stone form part 14, and the surface 2A of the pseudo stone 2 has a shape imitating natural stone. The inner surface 15A is formed into a concave curved surface having irregularities so that the inner surface 15A is formed. As the sand to be used, mountain sand having a high silt content and a high shape retention force is preferably used. Depending on the type of sand used, there is a difference in the strength of the shape retention force.Therefore, if necessary, add an appropriate amount of glue to the sand with a weak shape retention force, spray water, etc. It is advisable to increase shape retention by using a shape-retaining agent such as
[0016]
After the molding sand 15 is spread in each pseudo stone form part 14 to form the inner surface 15A as described above, the ready-mixed concrete is poured into the pseudo stone form part 14 to the upper end 11A of the molding frame 11 to form the pseudo stone form 2 ′, The back surface 2'A is leveled. Next, before the ready-mixed concrete is hardened, an insert 3A constituting the fixing member 3 for each pseudo-stone formwork portion 14 is inserted into the pseudo-stone forming body 2 'from the back surface 2'A side.
[0017]
Finally, when the ready-mixed concrete is hardened to form a large number of artificial stones 2, 2,..., The vegetation base material 5 formed into a substantially same size on the molding frame 11 is covered over the entire surface. Cover with expanded metal 4. When the expanded metal 4 is placed on the molding frame 11 with the vegetation base material 5 interposed therebetween, the anchor bolt 3B inserted from above is screwed into the insert 3A, and the expanded metal 4 is firmly fastened to each pseudo stone 2. I do. Thus, a pseudo stone panel 1 in which a large number of pseudo stones 2, 2,... Are integrally arranged in a panel by the expanded metal 4 is completed.
[0018]
When the artificial stone panel 1 is completed in this way, as shown in FIG. 7, the artificial stone panel 1 is lifted up by the crane A, removed from the molding form 11, and arranged in the installation place to expand the adjacent artificial stone panels 1. By lapping the metal wrap portions 4A, 4A and connecting them with bolts and nuts (not shown), the pseudo stone panels 1, 1,... Are laid on the riverbank, on the slope, or on the ground.
[0019]
When the artificial stone panel 1 requires strength, the expanded metal 4 may be provided with a square or lattice metal frame to increase the rigidity. Thereby, since there is no bending of the panel at the time of installation, there is also an effect of improving workability.
[0020]
Further, in the embodiment, the expanded metal 4 is used as the connecting body, but a punching metal or a wire net may be used.
[0021]
Next, FIGS. 8 to 10 illustrate a method for manufacturing a pseudo stone panel according to a second embodiment of the present invention. 8, reference numeral 21 denotes a pseudo stone panel manufactured by the manufacturing method according to the present embodiment. The artificial stone panel 21 is fixed to a large number of concrete artificial stones 22, 22,... Formed by imitating the surface 22A of natural stone, and buried on the back surface 22B side of each artificial stone 22 to form a large number of artificial stones 22. , 22,... In the form of a panel, and a substantially annular corner connecting hooks 24, 24 planted in pseudo stones 22, 22,. ,... And a substantially U-shaped intermediate connecting hook 25, 25, which is located in the pseudo stone 22 at a substantially middle position in the longitudinal direction of the pseudo stone panel 21.
[0022]
Here, as described above, the connecting body 23 for integrally connecting a large number of artificial stones 22, 22,... Is formed by connecting a plurality of wires, for example, steel bars, by welding means as shown in FIG. Is made up of That is, the connecting body 23 connects the two short members 23A, 23A and the two long members 23B, 23B in a rectangular shape, and diagonally connects the connecting members 23C, 23C,... Between the opposing long members 23B, 23B. , Any part of the short material 23A, the long material 23B, and the connecting material 23C is always located in each of the multiple pseudo-stone frame portions 34, 34,. It is like that. Note that the short material 23A, the long material 23B, and the connecting material 23C may be bent as needed.
[0023]
Reference numeral 31 denotes a molding frame used to manufacture the artificial stone panel 21. The forming mold frame 31 includes a rectangular bottom plate 32A, a box-shaped frame member 32 made of a steel plate having an open upper portion and including front and rear side plates 32B and 32C and left and right side plates 32D and 32E rising from four sides of the bottom plate 32A. A partition plate 33 made of a steel plate, fiber reinforced plastic, hard rubber, or the like, which is removably fitted into the formwork body 32. The partition plate 33 is obtained by cutting a large number of partition pieces 33A, 33B,... 33N cut in accordance with the size of the individual artificial stones 22, 22,. It is constituted integrally by appropriately connecting. Then, by fitting the partition plate 33 to the box-shaped frame 32, a plurality of pseudo-stone forms having different shapes but substantially equal volumes are formed in the forming form 31 as in the first embodiment. . Are defined. Further, at least one substantially U-shaped cut into which any one of the short member 23A, the long member 23B or the connecting member 23C of the connecting member 23 is fitted on the upper end side of each of the partition pieces 33A, 33B,. .. Are formed.
[0024]
, Are a pair of vertically long notches for fitting the corner connecting hooks 24, and the notches 36, 36 are located at four corners of the box-shaped frame 32. The front plate 32B and the left plate 32D, the front plate 32B and the right plate 32E, the rear plate 32C and the left plate 32D, and the rear plate 32C and the right plate 32E are formed on the respective upper ends. Also, 37, 37,... Are a pair of vertically long notches for fitting the intermediate connecting hooks 25, 25, and the notches 36, 36 are the left side plate 32D and the right side plate of the box-shaped frame 32. 32E is formed on each upper end side.
[0025]
According to the present embodiment, forming sand 35 is spread over each pseudo-stone formwork portion 34 of the forming formwork 31 to form a female shape imitating natural stone, and the connecting body 23 is attached to the forming formwork 31 from above. After the concrete is fitted and placed, the ready-mixed concrete is poured into each pseudo-stone formwork portion 34 to the upper end 31A of the forming formwork 31, and before the ready-mixed concrete is hardened, the corner connecting hooks 24 and the intermediate connecting hooks 25 are set from the outside. Insert into ready-mixed concrete. By hardening the ready-mixed concrete, it is possible to manufacture a pseudo-stone panel 21 in which the buried connecting body 23 integrally and firmly connects a large number of pseudo-stones 22, 22,.
[0026]
In this manner, the pseudo stone panel 21 in which the individual pseudo stones 22 are fixed to the connection body 23 can be easily manufactured only by arranging the connecting members 23 in the forming mold 31 and pouring the ready-mixed concrete. In addition, since the connecting body 23 is fixed while being embedded in each of the pseudo stones 22, the manufactured pseudo stone panel 21 has extremely high strength.
[0027]
In the second embodiment, a steel bar is used as a constituent material of the connecting body 23, but a steel wire may be used. The steel wire is more flexible than the steel bar, and the connecting body is deformed according to the topography of the installation place, so that the pseudo stone panel 21 is in a state along the installation surface, so that the stability is excellent. The work required for excavating and leveling the ground is minimal, so the workability is excellent.
[0028]
By the way, in the conventional method of forming pseudo stones individually using a formwork, when the weight per unit area of the panel is different, for example, 320 kg, 340 kg, and 350 kg, a plurality of forms for each weight are required. And However, according to each of the first and second embodiments, since the volumes of the pseudo stone formwork portions 14 and 34 are set to be substantially constant, the amount of the forming sands 15 and 35 to be spread is increased or decreased. Since the sizes of the pseudo stones 2 and 22 can be arbitrarily changed, it is possible to manufacture pseudo stone panels having different weights by using one forming mold 11 and 31. Further, it is possible to easily produce a pseudo stone panel suitable for a place where the pseudo stone panel is formed, such as a pseudo stone panel made of a rounded pseudo stone or a pseudo stone panel made of a square pseudo stone.
[0029]
Further, the box frames 12, 32 constituting the forming frames 11, 31 used in each embodiment may be configured such that the bottom plates 12A, 32A can be opened downward through hinges or can be detached. May be configured. This makes it possible to easily and efficiently discharge the forming sands 15 and 35 from the forming molds 11 and 31 after removing the artificial stone panels 1 and 21 from the molds.
[0030]
【The invention's effect】
The present invention has the following effects because it is configured as described in detail above.
(1) Concrete is poured into a large number of artificial stone forms defined in a forming mold, and the concrete is hardened, and the linked body is integrally fixed to the large number of artificial stones to be formed. Compared with the prior art in which the formed pseudo stones are fixed to the substrate one by one, the pseudo stone panels can be manufactured more efficiently, and the manufacturing cost can be reduced to about one third.
(2) Since the molding sand is laid in the form of a natural stone female mold in the pseudo stone formwork, a pseudo stone having a shape close to natural stone can be formed. Since it is possible to manufacture a false stone panel, it is possible to achieve a construction result close to a natural scenery, and to reduce time and cost for collecting natural stone suitable for use.
(3) The forming mold has a configuration in which a partition plate can be inserted into and removed from the frame so that it can be replaced with a partition plate having a different shape. Molding can be performed, and equipment costs, maintenance costs, storage costs, and the like required for the mold can be suppressed.
(4) The volume of the pseudo stone formwork is set to be substantially constant, and the size of the pseudo stone is arbitrarily set according to the construction site by adjusting the amount of molding sand spread over each pseudo stone formwork. can do. Therefore, pseudo stones having different sizes can be easily formed for each panel, and the weight of the entire panel can be easily adjusted.
(5) Since the molding sand to be spread over the pseudo-stone formwork is made to retain its shape by using a shape-retaining agent, any molding sand that does not have a sufficient shape-retaining force can imitate natural stone. Pseudo stone can be formed.
(6) A perforated plate is used for the connected body, and a large number of pseudo stones are fixed to the connected body by a fixing member inserted into each perforated stone to be molded and inserted into the perforated plate, and the ready-mixed concrete hardens. By implanting the fixing member before, the operation of drilling a bolt hole in the formed artificial stone becomes unnecessary, so that the working efficiency is excellent.
(7) The connecting body is configured such that any one of its constituent parts is located in each of the multiple pseudo stone formwork portions, and any one of the constituent parts is fixed while being embedded in each of the pseudo stones to be formed. Therefore, it is not necessary to fix individual fossils to the connecting body, and it is possible to obtain a high strength fossil stone panel in which each fossil and the connecting body are firmly connected.
[Brief description of the drawings]
FIGS. 1 to 7 relate to a first embodiment of the present invention, and FIG. 1 is an external perspective view of a pseudo stone panel.
FIG. 2 is a perspective view showing an entire configuration of a molding frame.
FIG. 3 is a perspective view of a molding form on which molding sand is spread.
FIG. 4 is a longitudinal sectional view of a molding form on which molding sand is spread.
FIG. 5 is an explanatory view showing a step of fixing a vegetation base material and an expanded metal to a pseudo stone formed in a pseudo stone form part.
FIG. 6 is a partially enlarged cross-sectional view of the pseudo stone panel before a step of releasing the mold.
FIG. 7 is an explanatory view showing a step of releasing a pseudo stone panel from a forming mold.
8 to 10 relate to a second embodiment, and FIG. 8 is an external perspective view of a pseudo stone panel.
FIG. 9 is a perspective view showing a configuration in which a connecting body is arranged on a molding die.
FIG. 10 is a partially enlarged cross-sectional view of the pseudo stone panel before a step of releasing the mold.
[Explanation of symbols]
1, 21 pseudo stone panel 2, 22 pseudo stone 3 fixing member 4 expanded metal 5 vegetation base material 11, 31 molding form 12, 32 box-shaped frame 13, 33 partition plate 14, 34 pseudo stone form part 15, 35 molding sand 23 Consolidated body

Claims (6)

成形型枠に画成した多数の擬石型枠部内に成形用砂を自然石を模した雌型の形状に敷詰め、該各擬石型枠部にコンクリートを流し込み、前記成形型枠に上方から連結体を配置して該コンクリートに固着することにより、コンクリートが硬化して成形される多数の擬石を該連結体を介してパネル状に一体に列設し、しかる後前記成形型枠から脱型するようにしてなる擬石パネルの製造方法。Sand for molding is laid in a female mold shape imitating natural stone in a large number of pseudo stone form parts defined in the molding form, concrete is poured into each pseudo stone form part, and connected to the molding form from above. By arranging the body and fixing it to the concrete, a number of pseudo stones formed by hardening the concrete are arranged in a row in a panel shape via the connecting body, and then released from the molding form. A method for manufacturing a pseudo stone panel as described above. 前記成形型枠は、有底の枠体と、該枠体内に挿脱可能に配設する仕切板とから構成してあることを特徴とする請求項1記載の擬石パネルの製造方法。The method for manufacturing a pseudo stone panel according to claim 1, wherein the forming mold includes a bottomed frame and a partition plate that is removably inserted into the frame. 前記多数の擬石型枠部は容積を略一定に設定し、該各擬石型枠部に敷詰める前記成形用砂の量を調整することにより前記擬石の大きさを設定するようにしたことを特徴とする請求項1記載の擬石パネルの製造方法。The number of the pseudo stone form parts is set to be substantially constant, and the size of the pseudo stone is set by adjusting the amount of the molding sand spread on each of the pseudo stone form parts. The method for producing a pseudo stone panel according to claim 1, wherein 前記擬石型枠部に敷詰める前記成形用砂は、保形剤を用いて形状を保持させることを特徴とする請求項1記載の擬石パネルの製造方法。The method for manufacturing a pseudo stone panel according to claim 1, wherein the molding sand laid on the pseudo stone form part is maintained in shape using a shape-retaining agent. 前記連結体には多孔板を用い、成形する各擬石に植設して該多孔板に挿通する固定部材により該連結体に前記多数の擬石を列設固着するようにしたことを特徴とする請求項1記載の擬石パネルの製造方法。The connecting body comprises a perforated plate, which is planted on each of the artificial stones to be formed, and the plurality of pseudo stones are arranged and fixed on the connected body by a fixing member inserted through the perforated plate. Item 4. A method for producing a pseudostone panel according to Item 1. 前記連結体は、その構成部分のいずれかが前記多数の擬石型枠部の各々に位置する形状に構成し、該いずれかの構成部分は成形される各擬石に埋設した状態で固着させることを特徴とする請求項1記載の擬石パネルの製造方法。The connecting body may be configured such that any one of its constituent parts is located in each of the plurality of pseudo stone form parts, and any one of the constituent parts is fixed in a state of being embedded in each pseudo stone to be formed. The method for producing a pseudo stone panel according to claim 1, wherein:
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007055225A (en) * 2005-07-29 2007-03-08 Asami Seisakusho:Kk Curing method for concrete, mold for concrete and curing apparatus for concrete product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007055225A (en) * 2005-07-29 2007-03-08 Asami Seisakusho:Kk Curing method for concrete, mold for concrete and curing apparatus for concrete product

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