JP4059413B2 - Formwork mounting apparatus for building a frame and method for building a frame using the same - Google Patents

Formwork mounting apparatus for building a frame and method for building a frame using the same Download PDF

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JP4059413B2
JP4059413B2 JP02656599A JP2656599A JP4059413B2 JP 4059413 B2 JP4059413 B2 JP 4059413B2 JP 02656599 A JP02656599 A JP 02656599A JP 2656599 A JP2656599 A JP 2656599A JP 4059413 B2 JP4059413 B2 JP 4059413B2
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frame
perforated side
perforated
mold
lid
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巧 湯浅
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ライト工業株式会社
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Description

【0001】
【発明の属する技術分野】
本発明は、主として整形性に優れる法枠を構築するための法枠構築用型枠取付装置およびこれを使用する法枠構築工法に関する。
【0002】
【従来の技術】
従来、法面に法枠を構築しこのままで、またはその交点にアンカーを打設することにより、法面の安定化を図る法面安定化工法が汎用されている。
【0003】
この場合、法枠の構築に際しては、いわゆるフリーフレーム工法に代表されるように、たとえば金網類からなる有孔側枠を法面に並置し、固練り(スランプ値0〜5cm程度)のモルタルを加圧タンクから圧縮エアによりホース内を圧送し、このホースの先端の吹付ノズルから、前記有孔側枠間内に打設する、吹付打設方法が一般的であった。
【0004】
しかし、この吹付打設方法は、固練りのモルタルを用いる点、およびこのモルタルを長距離にわたってエア搬送する点から、反発ロスの発生や型枠への充填性に欠け、さらにポーラスな部位の発生が避け得ない等の間題を抱えており、高強度の法枠を構築することは困難であった。
【0005】
そこで、より高強度で品質の安定した法枠を得ることのできる法枠構築工法として、本出願人は先に特開平6−108470号として、軟練り(スランプ値5〜27cm)のモルタルをコンクリート圧送ポンプにより管路を介して圧送するとともに、管路先端部においてエアを吹込み、このエアをモルタルに連行せしめ、管路先端に連結する吹付ノズルからモルタルを前記有孔側枠内に打設する、法枠構築工法(以下先行工法という)を提案した。
【0006】
【発明が解決しようとする課題】
しかしながら、この先行工法による場合、反発ロスの発生や型枠への充填性は大幅に改善されるが、モルタルが軟練りであるため、打設したモルタルがダレやすく、打設後のコテ均し、特に法枠上面のコテ均しに多大な時間を要し、この点からの施工性が極めて悪い。また上面の開放部は硬化材の吹付け後も無養生であるため、硬化材の硬化時に表面にクラックが発生しやすいという問題点も有する。
【0007】
他方、近年、特公平3−77331号に開示されるような、無孔版で両側面および上面を覆い密閉状態とされた型枠内に軟練りモルタルを流し込んで、法枠を打設する方法が提案され、実施されている。この軟練りモルタルを密閉無孔版型枠内に流し込んで打設する方法は、モルタルが型枠外に飛散、逸脱することがなく打設ロスの発生がなく、しかも無孔版型枠内面により形状が規制されているので、コテ均しが不要である利点がある。
【0008】
しかし、特公平3−77331号に開示されるものでは、流し込まれる硬化材の重量に耐えるに必要な強度を有する型枠を設置しなくてはならない。特に、法尻近い型枠部分には、大きな力が加わりやすい。よってこのような強度に耐えるための型枠は必然的に重厚かつ強固なものとする必要があり、かつ型枠の法面上への搬入および組み立てに多大な手間を要し、作業員に過大な負担となる。
【0009】
かかる手間と負担を犠牲にして広範囲にわたる法枠を構築することは実際的でない。しかも、密閉空間内にモルタルを流し込み打設することは、打設状況が目視できず不明となり、空隙部の発生を未然に防止することができない。
【0010】
したがって、本願発明の主たる課題は、第1に打設硬化材のだれを防止しかつ上面のコテ均しを不要とし作業性に優れたものとすること、第2に重厚な型枠は不要とし作業員の負担を軽減すること、第3に総じて全体の作業性を著しく向上させることにある。
【0011】
【課題を解決するための手段】
上記課題を解決した本発明の請求項1記載の発明は、間隔を置いて並置した有孔側枠相互間と、これらの有孔側枠間の上方に配置される蓋型枠とで囲まれる空間内に、モルタルまたはコンクリートからなる硬化材を打設して法枠を構築する工法に用いられる法枠構築用型枠取付装置であって、
前記有孔側枠の天部が挿入される挿入凹部を有しかつ前記蓋型枠が載置される本体と、前記挿入凹部内に挿入された有孔側枠の孔を挿通して前記本体を有孔側枠に保持する保持手段と、前記蓋型枠を前記本体に対して仮支持する仮支持手段とを備えたことを特徴とする法枠構築用型枠取付装置である。
【0012】
請求項2記載の発明は、請求項1記載の枠構築用型枠取付装置を使用し、有孔側枠相互間と、これらの有孔側枠間の上方に配置される蓋型枠とで囲まれる空間内に、モルタルまたはコンクリートからなる硬化材を打設することを特徴とする法枠構築工法を含む枠要素に対して仮固定されていることを特徴とする法枠構築用型枠装置である。
【0013】
【0014】
【0015】
【0016】
【0017】
【0018】
【0019】
【0020】
【0021】
【0022】
【0023】
【0024】
【0025】
【0026】
【0027】
【0028】
【0029】
【0030】
【発明の実施の形態】
以下本発明の実施の形態を図面を参照しながらさらに詳説する。
図1は、本発明に係る法枠構築用型枠の配置状態および構築した法枠を、経時的な順序を無視した状態で示している。本発明に係る有孔側枠としては、クリンプ金網、溶接金網、エキスパンドメタルなどを用いることができる。また無孔版蓋型枠および無孔版下型枠としては、金属版、木質版、プラスチック版、無機質版などを用いることができる。硬化材の打設状況を視認できる透明または半透明の材質も好適であり、例えばアクリル板を用いることができる。
【0031】
いずれにしても、法枠Fは法高方向および水平方向に縦横に構築される。このために、それぞれ縦方向に沿って横方向に間隔を置いて縦有孔側枠1,1が法面上に対向して並置される。また、それぞれ横方向に沿って縦方向に間隔を置いて横有孔側枠2,2が法面上に対向して並置される。
【0032】
これらの縦有孔側枠1,1間、ならびに横有孔側枠2,2間に、長手方向に延在する主鉄筋3、これら主鉄筋3を保持し断面方向に沿うスターラップ筋4、および前記有孔側枠1,1または2,2相互を繋ぐ繋ぎ材5が配設される。スターラップ筋4は地山に打ち込んだアンカーに保持させることができる。かくして、主鉄筋3とスターラップ筋4とで構成される鉄筋籠が地山に対して設置される。図示例の形態においては、補強材6と主鉄筋3を懸けるフック状のフック材7とがさらに設けられている。これらの部材は有孔側枠とともに枠要素を構成する。一対の有孔側枠1,2と繋ぎ材5、補強材6およびフック材7は、工場生産品として一体化され、折り畳んだ状態で輸送され、法面上において間隔を置いて対向するように展開される。
【0033】
モルタルまたはコンクリートからなる硬化材100の打設に先立ち、縦有孔側枠1,1の上方、ならびに横有孔側枠2,2間の上方に縦無孔版蓋型枠10および横無孔版蓋型枠20が配置される。横枠の打設には、さらに法尻がわ横有孔側枠2の外側に無孔版下型枠30が配置される。この配置部分以外の有孔側枠の外側には無孔版型枠は配置されず、露出している。
【0034】
縦無孔版蓋型枠10、横無孔版蓋型枠20および無孔版下型枠30は、対応する前述の枠要素に対して仮固定される。実施の形態においては、縦無孔版蓋型枠10および横無孔版蓋型枠20は、法枠構築用型枠取付装置40により、それぞれ縦有孔側枠1,1の上部、ならびに横有孔側枠2,2の上部に仮固定されている。これらの仮固定態様が図3〜図6に示されている。本発明に係る法枠構築用型枠取付装置40の詳細を説明すると、有孔側枠1(2)の天部が挿入される挿入凹部41を有しかつ前記蓋型枠10(20)が載置される本体42と、挿入凹部41内に挿入された有孔側枠1(2)の孔を挿通して前記本体42を有孔側枠1(2)に保持する保持手段43たとえばボルトと、蓋型枠10(20)を本体42に対して仮支持する仮支持手段44とを備える。蓋型枠10(20)の設置方法は、有孔側枠1(2)の天部に挿入凹部41を嵌め、次いでボルト保持手段43を挿入して有孔側枠1(2)の孔に挿通し、本体42まで螺入し、本体42を有孔側枠1(2)の天部に固定する。他方、予め仮支持手段44のボルト付セパレータコーン44Aを取り外しておいた状態で、蓋型枠10(20)を本体42上に設置する。このとき、蓋型枠10(20)の所定の位置に形成しておいた貫通孔と挿通ボルト44Bとを貫通させる。その後、ボルト付セパレータコーン44Aを挿通ボルト44Bに螺合させ、蓋型枠10(20)の固定を図る。硬化材の硬化後は、ボルト付セパレータコーン44Aを挿通ボルト44Bから外し、蓋型枠10(20)を脱型する。
【0035】
一方、縦無孔版蓋型枠10および横無孔版蓋型枠20は、参考の形態の法枠構築用型枠連結装置50によっても、取り付けることができる。この参考の形態の法枠構築用型枠連結装置50は、無孔版蓋型枠のみならず無孔版下型枠30の取り付けにも同様に使用態様により用いることができるが、無孔版蓋型枠10(20)の場合についての態様によって説明する。
【0036】
蓋型枠10(20)は、図10および図11に示すように、縦有孔側枠1,1の上部、または横有孔側枠2,2の上部にそれぞれ法枠構築用型枠連結装置50によって仮固定される。この蓋型枠10(20)と有孔側枠1,1または2,2相互間とで囲まれる空間内に、モルタルまたはコンクリートからなる硬化材を打設して法枠を構築するために用いられる。
【0037】
法枠構築用型枠連結装置50は、図7に示すように、先端部にフック部を有し他端部に雄ネジ部51Aが形成された係止部材51と、この係止部材51の雄ネジ部51Aと螺合する雌ネジ部52Bを有する本体部52A、およびこの本体部52Aと一体となり係止部材51と反対方向に突出する雄ネジ部52Cを有する第1固定部材52と、この第1固定部材52の雄ネジ部52Cと螺合する第2固定部材53とを有する。
【0038】
係止部材51のフック部が型枠内部の鉄筋、実施の形態では主鉄筋3(4)に係止されるとともに、第1固定部材52の雄ネジ部52Cが蓋型枠10(20)の貫通孔10a(20a)を挿通した状態で、第1固定部材52の本体部52Aと第2固定部材53とで蓋型枠10(20)が挟着されて、蓋型枠10(20)が主鉄筋3(4)に対して取付られる構成のものである。
【0039】
蓋型枠10(20)の取付手順は、まず、第1固定部材52の雌ネジ部52Bに係止部材51を螺合させて一体ものとしておき、第1固定部材52の雄ネジ部52Cを貫通孔10a(20a)に挿通した、その雄ネジ部52Cに第2固定部材53を螺合させる。このとき、図7に示すように、第2固定部材53を緩めた状態としておく。
【0040】
この状態で前記蓋型枠10(20)を前記有孔側枠1(2)の天部に載置し、係止部材51のフック部を主鉄筋3またはスターラップ筋4に引っ掛ける位置に位置決めし、次いで緩めておいた第2固定部材53を雄ネジ部52Cに沿って螺進させ、第2固定部材53を蓋型枠10(20)に当たるまで締付け、フック部を主鉄筋3またはスターラップ筋4に引っ掛けるように係止する。これにより、図8に示すように、蓋型枠10(20)は有孔側枠1(2)の天部に押付けられて仮固定される。この状態で硬化材100の打設が行われる。
【0041】
硬化材100の硬化が図られた時点で、第2固定部材53を雄ネジ部52Cから取り外し、続いて蓋型枠10(20)を脱型する。その後、雄ネジ部52C上端部に形成された角部にスパナなどを当てがって強く第2固定部材53を回転させると、第1固定部材52の本体部52Aが硬化材と縁切れるとともに、係止部材51から外すことができる。その後、本体部52Aを取り除いた空間にはモルタル54などにより穴埋めする。係止部材51は埋め殺しとなる。
【0042】
法枠構築用型枠取付装置40を用いる場合には、その本体42を除去したとき、その法枠の縁にできた穴を埋める作業に多大な手間がかかるのに対して、参考の形態の法枠構築用型枠連結装置50を用いると、法枠の上面であり、かつ小さい穴となるので、穴埋め作業が簡易となる利点がある。
【0043】
次いで、打設方法を、図12〜図14を参照しながら説明する。図中Sラインまでは、打設が終了しているものとする。Aブロックに蓋型枠10(20)を取り付ける。Aブロックの型枠内の打設ホース60を挿入し、所定の位置まで打設する。併行してBブロックに蓋型枠10(20)を取り付けておく。Bブロックに打設ホース60を移動し、Aブロックと同様に打設する。併行して、Cブロックに蓋型枠10(20)を取り付けておく。Eブロックに打設ホース60を移動し、Aブロックと同様に打設する。このとき水平方向の型枠装置と法高方向の型枠装置とが交差する交点部分には、交点用蓋型枠を使用する。また必要であれば図示するような中央部にアンカー設置用開口部71を有する交点用蓋型枠70を使用して交点部分に公知の施工法にしたがってアンカーの建て込みを行なう。Eブロックの打設と併行して、Dブロックに蓋型枠10(20)を取り付けておく。Fブロックに打設ホース60を移動し、Aブロックと同様に打設する。併行して、Gブロックに蓋型枠10(20)を取り付けておく。Hブロックに打設ホース60を移動し、横有孔側枠2の法高がわの一部を切除した挿入部分61より打設ホース60を挿入して打設する。有孔側枠1(2)の切除は、ホース挿入時に行なってもよいし有孔側枠1(2)設置時に行なってもよい。また予め挿入部分61が設けられた有孔側枠1(2)をこの部分に使用してもよい。ホース挿入部分61は間隔を空けて設ける必要はなく長手方向に連続するものでもよい。Hブロックの打設と併行して、Iブロックに蓋型枠10(20)を取り付けておく。以上の操作を繰り返して打設を行なう。
【0044】
一方、図15および図16に示すように、アンカー支圧用ブロック200などの法面安定化体を法面に構築する場合にも本発明の思想を適用できる。すなわち、周囲を有孔側枠1,1,2,2で囲んだ領域内にモルタルまたはコンクリートからなる硬化材を打設して法面上に法面安定化体を構築するに際して、有孔側枠1,1,2,2群の法尻がわ側枠2の外側に、無孔版下型枠30が配置され、他の有孔側枠の外側には型枠が配置されておらず、かつ、前記有孔側枠1,1,2,2群の上方に前記領域を覆って無孔版蓋型枠201が配置され、無孔版下型枠30および無孔版蓋型枠201は有孔側枠を含む枠要素に対して仮固定することができる。
【0045】
【発明の効果】
以上の詳説から明らかなとおり本発明によれば、重厚な型枠の必要性と作業員の負担を軽減することができ、打設硬化材のだれを防止しかつ上面のコテ均しを不要とし、さらに空隙部の発生を未然に防止することも可能であるので、法枠構築において作業性を著しく向上することが可能である。
【図面の簡単な説明】
【図1】 本願発明に係る法枠構築用型枠装置の概略を示す斜視図である。
【図2】 法枠構築用型枠装置の正面図である。
【図3】 法高方向の法枠構築用型枠取付装置の本発明の例を示す断面図である。
【図4】 水平方向の法枠構築用型枠取付装置の本発明の例を示す断面図である。
【図5】 法枠構築用型枠取付装置の断面図である。
【図6】 蓋型枠の仮固定態様の本発明の例を示す側面図である。
【図7】 第2の法枠構築用型枠連結装置を蓋型枠に取付けた態様を示す断面図である。
【図8】 第2の法枠構築用型枠連結装置を使用した蓋型枠の仮固定態様を示す図である。
【図9】 係止部材の埋め殺しの態様を示す図である。
【図10】 法高方向の法枠構築用型枠連結装置の参考の例を示す断面図である。
【図11】 水平方向の法枠構築用型枠連結装置の参考の例を示す断面図である。
【図12】 打設手順の概略を示す斜視図である。
【図13】 法高方向の打設の態様を示す図である。
【図14】 水平方向の打設の態様を示す図である。
【図15】 法面安定化体例の斜視図である。
【図16】 その法面安定化体の構築過程の平面図である。
【符号の説明】
1…縦有孔側枠、2…横有孔側枠、3…主鉄筋、4…スターラップ筋、5…繋ぎ材、6…補強材、7…フック材、10…縦無孔版蓋型枠、20…横無孔版蓋型枠、30…無孔版下型枠、40…法枠構築用型枠取付装置、41…挿入凹部、42…本体、43…保持手段、44…仮支持手段、44A…ボルト付セパレータコーン、44B…挿通ボルト、50…法枠構築用型枠連結装置、51…係止部材、52…第1固定部材、52A…本体部、53…第2固定部材、54…凹部、60…打設ホース、61…打設ホース挿入部、70…交点用蓋型枠、71…アンカー設置用開口部、100…硬化材、200…アンカー支圧用ブロック、C…隙間。
[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a method for constructing a method frame for constructing a method frame having excellent formability and a method for constructing a method frame using the same .
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a slope stabilization method for stabilizing a slope by constructing a slope on a slope and placing an anchor at an intersection thereof has been widely used.
[0003]
In this case, when constructing the frame, as represented by the so-called free frame method, a perforated side frame made of, for example, a wire mesh is juxtaposed on the slope, and a mortar that is kneaded (a slump value of about 0 to 5 cm) is used. A spraying method is generally used in which the inside of the hose is pumped by compressed air from a pressurized tank, and is placed between the perforated side frames from a spray nozzle at the tip of the hose.
[0004]
However, since this spraying method uses solid mortar and transports this mortar over a long distance, it generates loss of rebound and fillability to the mold, and generates more porous parts. However, it was difficult to build a high-strength legal framework.
[0005]
Therefore, as a method for constructing a method frame that can obtain a method frame with higher strength and stable quality, the present applicant previously disclosed a mortar of soft kneading (slump value of 5 to 27 cm) as concrete in Japanese Patent Application Laid-Open No. 6-108470. While being pumped through a pipe line by a pressure pump, air is blown at the pipe tip, this air is taken to the mortar, and the mortar is driven into the perforated side frame from a spray nozzle connected to the pipe tip. Proposed a method for constructing a legal framework (hereinafter referred to as a prior construction method).
[0006]
[Problems to be solved by the invention]
However, with this advanced method, the occurrence of rebound loss and formability can be greatly improved. However, since the mortar is softly kneaded, the placed mortar is easy to sag, and the iron is leveled after the placement. In particular, it takes a long time to level the trowel on the upper surface of the frame, and the workability from this point is extremely poor. Moreover, since the open part of an upper surface is uncured after spraying of a hardening material, it also has the problem that a crack tends to generate | occur | produce on the surface at the time of hardening of a hardening material.
[0007]
On the other hand, in recent years, as disclosed in Japanese Patent Publication No. 3-77331, there is a method of casting a legal frame by pouring a soft mortar into a sealed mold that covers both sides and upper surface with a non-perforated plate. Proposed and implemented. The method of pouring the soft-kneaded mortar into a sealed non-perforated plate form does not cause the mortar to scatter or deviate outside the form, so that no casting loss occurs, and the shape is regulated by the inner surface of the non-perforated plate form. Therefore, there is an advantage that the soldering is unnecessary.
[0008]
However, in what is disclosed in Japanese Patent Publication No. 3-77331, a form having a strength necessary to withstand the weight of the hardened material to be poured must be installed. In particular, a large force is likely to be applied to the formwork part near the butt. Therefore, the formwork to withstand such strength must be heavy and strong, and it takes a lot of labor to carry and assemble the formwork on the slope, which is excessive for the workers. Burden.
[0009]
It is impractical to build a broad legal framework at the expense of such effort and burden. In addition, when the mortar is poured into the sealed space and placed, the placement state cannot be visually confirmed, and the formation of voids cannot be prevented.
[0010]
Accordingly, the main problems of the present invention are that, firstly, it prevents the cast-in-curing material from sagging and eliminates the need for leveling the upper surface, and secondly, it eliminates the need for a heavy formwork. reducing the burden of the operator is to be generally significantly improve the overall operability to the third.
[0011]
[Means for Solving the Problems]
The invention according to claim 1 of the present invention that solves the above problems is surrounded by a pair of perforated side frames that are juxtaposed at intervals, and a lid mold that is disposed above the perforated side frames. In a space, a frame mounting apparatus for building a frame used for a construction method in which a hard frame made of mortar or concrete is placed to build a frame.
A main body having an insertion recess into which the top of the perforated side frame is inserted and on which the lid mold frame is placed; and a hole in the perforated side frame inserted into the insertion recess. A frame mounting apparatus for constructing a legal frame, comprising: holding means for holding the frame on the perforated side frame; and temporary support means for temporarily supporting the lid mold frame with respect to the main body .
[0012]
The invention according to claim 2 uses the frame construction mold attachment device according to claim 1, and includes the perforated side frames and the lid form frame disposed above the perforated side frames. A formwork apparatus for constructing a legal frame characterized by being temporarily fixed to a frame element including a legal frame construction method characterized by placing a hardening material made of mortar or concrete in the enclosed space It is.
[0013]
[0014]
[0015]
[0016]
[0017]
[0018]
[0019]
[0020]
[0021]
[0022]
[0023]
[0024]
[0025]
[0026]
[0027]
[0028]
[0029]
[0030]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in more detail with reference to the drawings.
FIG. 1 shows an arrangement state of a frame for constructing a legal frame and a constructed legal frame according to the present invention in a state in which the order over time is ignored. As the perforated side frame according to the present invention, a crimp wire mesh, a welded wire mesh, an expanded metal, or the like can be used. Further, as the non-perforated plate cover mold and the non-perforated plate lower mold, a metal plate, a wood plate, a plastic plate, an inorganic plate, or the like can be used. A transparent or translucent material that can visually check the setting condition of the hardener is also suitable, and for example, an acrylic plate can be used.
[0031]
In any case, the frame F is constructed vertically and horizontally in the height direction and the horizontal direction. For this purpose, the vertical perforated side frames 1 and 1 are juxtaposed facing each other on the slope with a space in the horizontal direction along the vertical direction. Moreover, the horizontal hole side frames 2 and 2 are juxtaposed facing each other on the slope surface at intervals in the vertical direction along the horizontal direction.
[0032]
A main reinforcing bar 3 extending in the longitudinal direction between the vertical perforated side frames 1 and 1 and between the horizontal perforated side frames 2 and 2, a stirrup bar 4 that holds these main reinforcing bars 3 and extends in the cross-sectional direction, And the connecting material 5 which connects the said perforated side frame 1,1 or 2,2 mutually is arrange | positioned. The stirrup muscle 4 can be held by an anchor driven into a natural ground. Thus, a reinforcing bar rod composed of the main reinforcing bar 3 and the stirrup bar 4 is installed on the natural ground. In the form of the illustrated example, a reinforcing material 6 and a hook-like hook material 7 for hanging the main reinforcing bar 3 are further provided. These members constitute a frame element together with the perforated side frame. The pair of perforated side frames 1 and 2 and the connecting member 5, the reinforcing member 6 and the hook member 7 are integrated as a factory-produced product, are transported in a folded state, and face each other with a gap on the slope. Be expanded.
[0033]
Prior to placing the hardened material 100 made of mortar or concrete, the vertical non-perforated plate cover mold 10 and the horizontal non-perforated plate cover above the vertical perforated side frames 1 and 1 and above the horizontal perforated side frames 2 and 2. A formwork 20 is placed. For the placement of the horizontal frame, a non-perforated lower mold frame 30 is further arranged on the outer side of the lateral edge 2 with the perforated side. The non-perforated plate frame is not arranged outside the perforated side frame other than the arrangement portion, and is exposed.
[0034]
The vertical non-perforated plate cover mold 10, the horizontal non-perforated plate cover mold 20, and the non-perforated plate lower mold 30 are temporarily fixed to the corresponding frame elements described above. In the embodiment, the vertical non-perforated plate lid mold frame 10 and the horizontal non-perforated plate lid mold frame 20 are respectively formed by the upper part of the vertical perforated side frames 1 and 1 and the horizontal perforated by the form frame mounting device 40 for constructing a legal frame. Temporarily fixed to the upper part of the side frames 2 and 2. These temporary fixing modes are shown in FIGS. The details of the formwork mounting apparatus 40 for constructing a legal frame according to the present invention will be described. The lid moldwork 10 (20) has an insertion recess 41 into which the top of the perforated side frame 1 (2) is inserted. A main body 42 to be placed, and a holding means 43 for holding the main body 42 on the perforated side frame 1 (2) through the holes of the perforated side frame 1 (2) inserted into the insertion recess 41, for example, bolts And temporary support means 44 for temporarily supporting the lid mold 10 (20) with respect to the main body 42. The lid mold 10 (20) is installed by fitting the insertion recess 41 into the top of the perforated side frame 1 (2) and then inserting the bolt holding means 43 into the perforated side frame 1 (2). The main body 42 is inserted into the main body 42 and fixed to the top of the perforated side frame 1 (2). On the other hand, the lid mold 10 (20) is placed on the main body 42 with the separator cone 44A with bolts of the temporary support means 44 removed in advance. At this time, the through hole and the insertion bolt 44 </ b> B formed at a predetermined position of the lid mold 10 (20) are penetrated. Thereafter, the separator cone with bolt 44A is screwed into the insertion bolt 44B to fix the lid mold 10 (20). After the curing material is cured, the bolted separator cone 44A is removed from the insertion bolt 44B, and the lid mold 10 (20) is removed.
[0035]
On the other hand, the vertical non-perforated plate cover mold 10 and the horizontal non-perforated plate cover mold 20 can be attached also by the form frame connecting apparatus 50 for constructing a reference frame in the reference form . The formwork connecting device 50 for constructing the frame of this reference form can be used not only for mounting the non-perforated plate cover mold but also for the non-perforated plate lower mold 30 depending on the use mode. A description will be given based on an aspect of 10 (20).
[0036]
As shown in FIGS. 10 and 11, the lid mold 10 (20) is connected to the upper part of the vertical perforated side frames 1 and 1 or the upper part of the horizontal perforated side frames 2 and 2, respectively. It is temporarily fixed by the device 50. Used to construct a legal frame by placing a hardening material made of mortar or concrete in a space surrounded by the lid mold 10 (20) and the perforated side frame 1, 1 or 2, 2. It is done.
[0037]
As shown in FIG. 7, the formwork connecting device 50 for constructing a legal frame includes a locking member 51 having a hook portion at the tip and a male screw portion 51 </ b> A formed at the other end, and the locking member 51. A main body portion 52A having a female screw portion 52B screwed with the male screw portion 51A, a first fixing member 52 having a male screw portion 52C that is integral with the main body portion 52A and protrudes in the opposite direction to the locking member 51; It has the 2nd fixing member 53 screwed together with the external thread part 52C of the 1st fixing member 52. As shown in FIG.
[0038]
The hook portion of the locking member 51 is locked to the reinforcing bar inside the mold, in the embodiment, the main reinforcing bar 3 (4), and the male screw portion 52C of the first fixing member 52 is the lid of the lid mold 10 (20). With the through-hole 10a (20a) inserted, the lid mold 10 (20) is sandwiched between the main body 52A of the first fixing member 52 and the second fixing member 53, and the lid mold 10 (20) is inserted. It is a structure attached with respect to the main reinforcement 3 (4).
[0039]
The attachment procedure of the lid mold 10 (20) is as follows. First, the locking member 51 is screwed into the female screw portion 52B of the first fixing member 52 to be integrated, and the male screw portion 52C of the first fixing member 52 is fixed. The second fixing member 53 is screwed into the male screw portion 52C inserted through the through hole 10a (20a). At this time, as shown in FIG. 7, the second fixing member 53 is kept loose.
[0040]
In this state, the lid mold frame 10 (20) is placed on the top of the perforated side frame 1 (2), and the hook portion of the locking member 51 is positioned at a position where it is hooked on the main rebar 3 or the stirrup bar 4. Then, the loosened second fixing member 53 is screwed along the male screw portion 52C, and the second fixing member 53 is tightened until it comes into contact with the lid mold frame 10 (20), and the hook portion is connected to the main reinforcing bar 3 or the stirrup. Lock so as to be hooked on the muscle 4. Thereby, as shown in FIG. 8, the lid mold 10 (20) is pressed against the top of the perforated frame 1 (2) and temporarily fixed. In this state, the hardening material 100 is placed.
[0041]
When the curing material 100 is cured, the second fixing member 53 is removed from the male screw portion 52C, and then the lid mold 10 (20) is removed. After that, when the second fixing member 53 is strongly rotated by applying a spanner or the like to the corner formed on the upper end portion of the male screw portion 52C, the main body portion 52A of the first fixing member 52 is cut off from the hardening material, It can be removed from the locking member 51. Thereafter, the space from which the main body 52A is removed is filled with a mortar 54 or the like. The locking member 51 is buried.
[0042]
When using a modulo frame construction for mold mounting device 40, upon removal of the body 42, against great laborious of the work to fill the holes made in the edge of the law frame of reference of the form The use of the formwork connecting device 50 for constructing a frame has the advantage that the hole filling operation is simplified because it is an upper surface of the frame and a small hole.
[0043]
Next, the placing method will be described with reference to FIGS. It is assumed that the placement has been completed up to the S line in the figure. The lid mold 10 (20) is attached to the A block. Insert the driving hose 60 in the form of the A block and drive it to a predetermined position. At the same time, the lid mold 10 (20) is attached to the B block. The driving hose 60 is moved to the B block and driven in the same manner as the A block. At the same time, the lid mold 10 (20) is attached to the C block. The driving hose 60 is moved to the E block and driven in the same manner as the A block. At this time, an intersection lid mold is used at the intersection where the horizontal formwork apparatus and the height direction formwork apparatus intersect. If necessary, an anchor is installed at the intersection according to a known construction method using an intersection lid mold 70 having an anchor installation opening 71 at the center as shown. Along with the placement of the E block, the lid mold 10 (20) is attached to the D block. The driving hose 60 is moved to the F block and driven in the same manner as the A block. At the same time, the lid mold 10 (20) is attached to the G block. The driving hose 60 is moved to the H block, and the driving hose 60 is inserted and driven from the insertion portion 61 in which a part of the height of the horizontal perforated side frame 2 is cut. The excision of the perforated side frame 1 (2) may be performed when the hose is inserted or may be performed when the perforated side frame 1 (2) is installed. Moreover, you may use the perforated side frame 1 (2) in which the insertion part 61 was previously provided for this part. The hose insertion part 61 does not need to be provided at intervals, and may be continuous in the longitudinal direction. Along with the placement of the H block, the lid mold 10 (20) is attached to the I block. The above operation is repeated to perform placement.
[0044]
On the other hand, as shown in FIGS. 15 and 16, the idea of the present invention can also be applied when a slope stabilizing body such as the anchor bearing block 200 is constructed on a slope. That is, when constructing a slope stabilizing body on a slope by placing a hardening material made of mortar or concrete in a region surrounded by a perforated side frame 1, 1, 2, 2, the perforated side The non-perforated plate lower mold frame 30 is disposed outside the outer edge frame 2 of the frame 1, 2, 2 group, and no mold frame is disposed outside the other perforated side frame, Further, a non-perforated plate cover mold frame 201 is disposed over the perforated side frame 1, 1, 2, 2 group so as to cover the region, and the non-perforated plate lower mold frame 30 and the non-perforated plate cover mold frame 201 are provided on the perforated side. It is possible to temporarily fix the frame element including the frame.
[0045]
【The invention's effect】
As is clear from the above detailed description, according to the present invention, the need for a heavy formwork and the burden on the worker can be reduced, dripping of the hardened casting material is prevented, and the upper surface is not required to be leveled. Furthermore , since it is possible to prevent the generation of voids , it is possible to significantly improve workability in the construction of a legal framework.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an outline of a formwork apparatus for building a frame according to the present invention.
FIG. 2 is a front view of a formwork apparatus for constructing a legal frame.
FIG. 3 is a cross-sectional view showing an example of the present invention of a method for mounting a frame for constructing a frame in the height direction.
FIG. 4 is a cross-sectional view showing an example of the present invention of a horizontal frame forming apparatus for frame construction.
FIG. 5 is a cross-sectional view of a formwork mounting apparatus for building a frame.
FIG. 6 is a side view showing an example of the present invention in a temporarily fixing mode of a lid mold.
FIG. 7 is a cross-sectional view showing a mode in which a second formwork constructing form coupling device is attached to a lid formwork.
FIG. 8 is a view showing a temporarily fixing mode of a lid mold using the second frame forming apparatus for framing.
FIG. 9 is a view showing a manner of burying the locking member.
FIG. 10 is a cross-sectional view showing a reference example of a formwork connecting device for constructing a method frame in the direction of height.
FIG. 11 is a cross-sectional view showing a reference example of a formwork coupling device for constructing a horizontal frame.
FIG. 12 is a perspective view showing an outline of a placing procedure.
FIG. 13 is a diagram showing a manner of placing in the height direction.
FIG. 14 is a diagram showing a manner of placing in the horizontal direction.
FIG. 15 is a perspective view of an example of a slope stabilizing body.
FIG. 16 is a plan view of the construction process of the slope stabilizing body.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Vertical perforated side frame, 2 ... Horizontal perforated side frame, 3 ... Main reinforcement, 4 ... Stirrup reinforcement, 5 ... Connecting material, 6 ... Reinforcement material, 7 ... Hook material, 10 ... Vertical non-perforated plate lid formwork , 20 ... Horizontal non-perforated plate cover mold, 30 ... Non-perforated plate lower mold, 40 ... Formwork mounting device for legal frame construction, 41 ... Insertion recess, 42 ... Main body, 43 ... Holding means, 44 ... Temporary support means, 44A DESCRIPTION OF SYMBOLS ... Separator cone with bolt, 44B ... Insertion bolt, 50 ... Formwork coupling device for construction of frame, 51 ... Locking member, 52 ... First fixing member, 52A ... Main body part, 53 ... Second fixing member, 54 ... Recessed part , 60 ... Placing hose, 61 ... Placing hose insertion section, 70 ... Intersection lid formwork, 71 ... Anchor installation opening, 100 ... Curing material, 200 ... Anchor support block, C ... Gaps.

Claims (2)

間隔を置いて並置した有孔側枠相互間と、これらの有孔側枠間の上方に配置される蓋型枠とで囲まれる空間内に、モルタルまたはコンクリートからなる硬化材を打設して法枠を構築する工法に用いられる法枠構築用型枠取付装置であって、
前記有孔側枠の天部が挿入される挿入凹部を有しかつ前記蓋型枠が載置される本体と、前記挿入凹部内に挿入された有孔側枠の孔を挿通して前記本体を有孔側枠に保持する保持手段と、前記蓋型枠を前記本体に対して仮支持する仮支持手段とを備えたことを特徴とする法枠構築用型枠取付装置。
Placing a hardener made of mortar or concrete in the space surrounded by the perforated side frames juxtaposed at intervals and the lid mold frame placed above these perforated side frames A formwork mounting apparatus for building a frame used in a construction method for building a frame,
A main body having an insertion recess into which the top of the perforated side frame is inserted and on which the lid mold frame is placed; and a hole in the perforated side frame inserted into the insertion recess. A frame mounting apparatus for constructing a legal frame, comprising: holding means for holding the frame on the perforated side frame; and temporary support means for temporarily supporting the lid mold frame with respect to the main body.
請求項1記載の枠構築用型枠取付装置を使用し、有孔側枠相互間と、これらの有孔側枠間の上方に配置される蓋型枠とで囲まれる空間内に、モルタルまたはコンクリートからなる硬化材を打設することを特徴とする法枠構築工法。In the space surrounded by the perforated side frames and the lid form frame disposed above the perforated side frames using the frame construction form mounting device according to claim 1, A frame construction method characterized by placing a hardened material made of concrete.
JP02656599A 1999-02-03 1999-02-03 Formwork mounting apparatus for building a frame and method for building a frame using the same Expired - Fee Related JP4059413B2 (en)

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