JPH04261962A - Placing method of concrete wall surface - Google Patents
Placing method of concrete wall surfaceInfo
- Publication number
- JPH04261962A JPH04261962A JP10694891A JP10694891A JPH04261962A JP H04261962 A JPH04261962 A JP H04261962A JP 10694891 A JP10694891 A JP 10694891A JP 10694891 A JP10694891 A JP 10694891A JP H04261962 A JPH04261962 A JP H04261962A
- Authority
- JP
- Japan
- Prior art keywords
- concrete wall
- formwork
- wall surface
- resin sheet
- concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 15
- 239000011347 resin Substances 0.000 claims abstract description 47
- 229920005989 resin Polymers 0.000 claims abstract description 47
- 238000009415 formwork Methods 0.000 claims abstract description 23
- 239000006260 foam Substances 0.000 claims description 13
- 230000009172 bursting Effects 0.000 claims description 2
- 239000004570 mortar (masonry) Substances 0.000 abstract description 14
- 239000000853 adhesive Substances 0.000 abstract description 8
- 230000001070 adhesive effect Effects 0.000 abstract description 8
- 238000006116 polymerization reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Finishing Walls (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
Description
【０００１】0001
【産業の利用分野】本発明は、コンクリート壁面の打設
方法に関するものであって、特に、タイル張り施工をす
るのに好適なモルタルとの接着強度が大きい壁面を形成
するための方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for placing concrete walls, and more particularly to a method for forming a wall surface that has a high adhesive strength with mortar and is suitable for tiling.
【０００２】0002
【従来の技術とその課題】コンクリート壁面を打設し、
その表面にモルタルでタイルを配列貼着してタイル壁面
を施工する場合、従来、次のような問題がある。[Conventional technology and its problems] Concrete wall is poured,
When constructing a tile wall surface by arranging and pasting tiles on the surface with mortar, the following problems have conventionally occurred.
【０００３】通常、タイルは蟻足状の裏足を有するので
、モルタルとの接着強度が大きい。これに比して、従来
のコンクリート壁面は表面がほぼ平滑に打設されるため
、モルタルとの接着強度が小さくならざるを得ない。
その結果、熱膨張、熱収縮、振動等が原因となって、コ
ンクリート壁面とモルタルとの界面で剥離が生じ、タイ
ルの脱落事故を引き起こすおそれがある。[0003] Usually, tiles have dovetail-like soles, so they have a high adhesive strength with mortar. In contrast, conventional concrete walls are cast with a substantially smooth surface, so the adhesive strength with mortar is inevitably low. As a result, due to thermal expansion, thermal contraction, vibration, etc., peeling occurs at the interface between the concrete wall surface and the mortar, and there is a risk that the tile may fall off.
【０００４】0004
【課題を解決するための手段】本出願人は、先の出願に
係る特願平２−７６３０１号（未公開）において、上記
課題を解決し得る技術を提供した。本発明は、上記先願
技術に改良を加えたものであり、その特徴とするところ
は、中空発泡突起を有する樹脂シートを内面に装着した
型枠内へ未硬化コンクリートを流し込んで表面に多数の
凹部を有するコンクリート壁面を打設する方法であって
、前記樹脂シートの複数枚を一部重なり合わせて型枠内
面へ装着するに際し、樹脂シートの重合領域において下
層側に位置する樹脂シートの中空発泡突起を予め破裂さ
せておくことである。[Means for Solving the Problems] The present applicant provided a technique capable of solving the above problems in an earlier application, Japanese Patent Application No. 76301/1999 (unpublished). The present invention is an improvement on the above-mentioned prior art, and is characterized by pouring uncured concrete into a formwork whose inner surface is equipped with a resin sheet having hollow foam protrusions. A method of pouring a concrete wall surface having a recessed portion, in which a plurality of the resin sheets are partially overlapped and attached to the inner surface of the formwork, and the resin sheet located on the lower layer side in the overlapping region of the resin sheet is formed by hollow foaming. The first step is to rupture the protrusion beforehand.
【０００５】[0005]
【作用】上記方法に基づきコンクリート壁面を打設する
と、その表面には、樹脂シートの中空発泡突起に対応し
て多数の凹部が形成される。従って、このコンクリート
壁面にモルタルを塗布すると、凹部内に侵入したモルタ
ルが硬化後に投錨作用を営むから、極めて大きな接着強
度を発揮する。[Operation] When a concrete wall surface is cast based on the above method, a large number of recesses are formed on the surface corresponding to the hollow foam projections of the resin sheet. Therefore, when mortar is applied to this concrete wall surface, the mortar that has entered the recesses acts as an anchor after hardening, and exhibits extremely high adhesive strength.
【０００６】但し、前記先願に記載の技術は、型枠内面
に装着する樹脂シートが２枚以上の場合を想定していな
い。型枠の寸法が大きくて、型枠内面を被覆するのに複
数枚の樹脂シートを用ねばならない場合、流し込んだ未
硬化コンクリートが樹脂シートの継目から型枠との間へ
入り込むのを防止するため、樹脂シートどうしの一部を
重ね合わせて装着することが必要となる。However, the technique described in the prior application does not assume a case where two or more resin sheets are attached to the inner surface of the mold. When the size of the formwork is large and multiple resin sheets must be used to cover the inner surface of the formwork, this is to prevent poured uncured concrete from entering between the joints of the resin sheets and the formwork. , it is necessary to partially overlap the resin sheets and attach them.
【０００７】このとき、単に樹脂シートを重ね合わせた
だけでは、中空発泡突起が重なり合って厚みが非常に大
きくなる。その結果、打設したコンクリート壁面に、樹
脂シートの重合領域と非重合領域との境目で段差を生じ
させる。また、重合領域において水密性が保証されない
ので、未硬化コンクリートが中空発泡突起の間隙から樹
脂シートどうしの間へ侵入し、脱型時に樹脂シートをコ
ンクリート壁面から除去するのが困難になる。[0007] At this time, if the resin sheets are simply overlapped, the hollow foam projections will overlap and the thickness will become very large. As a result, a step is created on the poured concrete wall surface at the boundary between the polymerized region and the non-polymerized region of the resin sheet. Furthermore, since watertightness is not guaranteed in the polymerization region, uncured concrete enters between the resin sheets through the gaps between the hollow foam protrusions, making it difficult to remove the resin sheet from the concrete wall surface during demolding.
【０００８】しかるに、本発明方法によれば、樹脂シー
トの重合領域において、下層側に位置する樹脂シートの
中空発泡突起を予め破裂させておくので、上層側の樹脂
シート裏面と下層側の樹脂シート表面とを密着させるこ
とができる。依って、重ね合わせによる厚み増加はわず
かであるから、打設されたコンクリート壁面の表面性状
がほぼ均一に保たれる。また、重合領域の水密性が確保
されるので、未硬化コンクリートが漏れ出て種々の問題
を引き起こすおそれもない。However, according to the method of the present invention, in the polymerization region of the resin sheet, the hollow foam protrusions of the resin sheet located on the lower layer side are ruptured in advance, so that the back surface of the resin sheet on the upper layer side and the resin sheet on the lower layer side are ruptured in advance. It can be brought into close contact with the surface. Therefore, since the thickness increase due to overlapping is slight, the surface quality of the poured concrete wall can be maintained almost uniform. Furthermore, since the watertightness of the polymerization area is ensured, there is no risk of uncured concrete leaking out and causing various problems.
【０００９】[0009]
【実施例】以下、本発明に基づいてコンクリート壁面を
打設する方法の詳細を、実施例を示す図面を用いて説明
する。[Example] Hereinafter, details of a method for pouring concrete walls based on the present invention will be explained using drawings showing examples.
【００１０】図１は、コンクリート壁面打設用の型枠１
の要部を示すものである。この型枠１の内面１ａは、多
数の中空発泡突起３を有する樹脂シート２で被覆される
が、型枠寸法が大きいときは、複数枚の樹脂シート２が
用いられる。FIG. 1 shows a formwork 1 for pouring concrete into a wall.
This shows the main parts of The inner surface 1a of the formwork 1 is covered with a resin sheet 2 having a large number of hollow foam protrusions 3, but when the size of the formwork is large, a plurality of resin sheets 2 are used.
【００１１】複数枚の樹脂シート２を装着する場合、そ
れぞれの一部を重ね合わせるが、先に型枠内面１ａへ装
着されて下層側に位置する樹脂シート２は、重ねしろに
相当する所定領域４を予め破裂させておく。この作業に
は、図面に例示する如き、針状突起２１を周面に有する
ローラ２０を用いればよい。或いは、加熱式のローラや
鏝などを用い、中空発泡突起３を熱溶融により破損させ
てもよい。When a plurality of resin sheets 2 are attached, a portion of each is overlapped, but the resin sheet 2 that is attached to the inner surface 1a of the formwork and located on the lower layer side is placed in a predetermined area corresponding to the overlap margin. 4 is ruptured in advance. For this operation, a roller 20 having needle-like protrusions 21 on its circumferential surface may be used as illustrated in the drawings. Alternatively, the hollow foam projections 3 may be damaged by thermal melting using a heated roller, trowel, or the like.
【００１２】続いて、図２のように、所定領域４の中空
発泡突起３を破裂させた樹脂シート２の上へ、他の樹脂
シート２の一部を重ね合わせて型枠内面１ａへ装着する
。このとき、上層側に位置する樹脂シート２の裏面２ｂ
が、下層側に位置する樹脂シート２の表面２ａに密着す
る。従って、図３に示す如く、重合領域５において、厚
みの増加は僅かであり、しかも水密性が確保される。Subsequently, as shown in FIG. 2, a part of another resin sheet 2 is superimposed on the resin sheet 2 in which the hollow foam protrusions 3 in the predetermined area 4 have been burst, and is attached to the inner surface 1a of the mold. . At this time, the back surface 2b of the resin sheet 2 located on the upper layer side
is in close contact with the surface 2a of the resin sheet 2 located on the lower layer side. Therefore, as shown in FIG. 3, the thickness of the overlapping region 5 increases only slightly, and watertightness is ensured.
【００１３】上述のようにして、型枠１に複数枚の樹脂
シート２を装着したのち、図４に示すように、当該型枠
１内に未硬化コンクリート６を流し込む。樹脂シート２
の重合領域５は水密的に密着しているので、このコンク
リート６が漏れ出る心配はない。また、重合領域５と非
重合領域とで厚みに殆ど差異がないから、打設されるコ
ンクリート壁面の表明性状はほぼ均一になる。After a plurality of resin sheets 2 are attached to the formwork 1 as described above, uncured concrete 6 is poured into the formwork 1, as shown in FIG. Resin sheet 2
Since the polymerization area 5 is in close contact with the concrete 6 in a watertight manner, there is no fear that this concrete 6 will leak out. Further, since there is almost no difference in thickness between the overlapping region 5 and the non-overlapping region, the appearance properties of the concrete wall surface to be poured are almost uniform.
【００１４】なお、樹脂シート２の中空発泡突起３は、
図４に示す如く、未硬化コンクリート６の硬化収縮によ
る圧力を受けて偏平化する。それ故、一定期間の養生後
、型枠１を脱型すれば、図５に図示するように、コンク
リート壁面７に、入口の狭い凹部８が多数形成されるこ
とになる。Note that the hollow foam projections 3 of the resin sheet 2 are
As shown in FIG. 4, the uncured concrete 6 is flattened by pressure due to curing shrinkage. Therefore, if the formwork 1 is demolded after curing for a certain period of time, a large number of recesses 8 with narrow entrances will be formed in the concrete wall surface 7, as shown in FIG.
【００１５】こうして打設されたコンクリート壁面７へ
、図６の如く、モルタル９を塗布してタイル１０を張り
つけると、このモルタル９が壁面７に多数形成されてい
る凹部８に侵入して硬化後に投錨効果を発揮する。それ
故、コンクリート壁面７とモルタル９との接着強度が極
めて大きくなる。一方、タイル１０とモルタル９との間
の接着強度も、裏足１１によって十分に確保されている
。従って、本発明方法により打設したコンクリート壁面
７へタイル張り施工を行った場合には、タイル１０の脱
落事故の発生するおそれが僅少となる。When mortar 9 is applied to the concrete wall surface 7 thus cast and tiles 10 are pasted as shown in FIG. Demonstrates an anchoring effect. Therefore, the adhesive strength between the concrete wall surface 7 and the mortar 9 becomes extremely high. On the other hand, the sole foot 11 also ensures sufficient adhesive strength between the tile 10 and the mortar 9. Therefore, when tiling is carried out on the concrete wall surface 7 cast by the method of the present invention, there is little risk that the tiles 10 will fall off.
【００１６】ところで本発明の実施例は、前述したもの
に限定されるのではなく、実施の態様に応じた種々の変
更を妨げるものではない。例えば、樹脂シートについて
は、中空発泡突起の形状や大きさ、単位面積当たりの個
数などに制限はなく、コンクリート壁面とモルタルとの
接着強度が充分に得られるよう、適宜選定される。また
、樹脂シートを型枠内面へ装着する手段についても特に
限定されるものではなく、両面テープ，タッカー等、施
工の状況に応じて適宜の手段を採用し得る。さらに、樹
脂シートは、型枠内面の全体に装着するばかりでなく、
必要に応じ、型枠内面の一部だけに装着することも可能
である。The embodiments of the present invention are not limited to those described above, and various modifications may be made depending on the mode of implementation. For example, regarding the resin sheet, there are no restrictions on the shape, size, number of hollow foam protrusions per unit area, etc., and they are appropriately selected so as to obtain sufficient adhesive strength between the concrete wall surface and the mortar. Furthermore, the means for attaching the resin sheet to the inner surface of the mold is not particularly limited, and any appropriate means such as double-sided tape or tacker may be employed depending on the construction situation. Furthermore, the resin sheet is not only attached to the entire inner surface of the formwork, but also
If necessary, it is also possible to attach it to only a part of the inner surface of the formwork.
【００１７】[0017]
【発明の効果】以上の説明から明らかなように、本発明
に係るコンクリート壁面の打設方法によれば、本出願人
の先願技術によって得られた、モルタルとコンクリート
壁面との優れた接着強度を少しも損なうことなく、複数
枚の樹脂シートを用いることが可能である。従って、一
枚の樹脂シートでは覆いきれないような広い面積を有す
る型枠を使用し得るから、コンクリート壁面の打設能率
が向上する。[Effects of the Invention] As is clear from the above explanation, the method for placing concrete walls according to the present invention provides excellent bonding strength between mortar and concrete walls, which was obtained by the applicant's prior art. It is possible to use a plurality of resin sheets without any loss in quality. Therefore, it is possible to use a formwork having a wide area that cannot be covered with a single resin sheet, thereby improving concrete wall casting efficiency.
【００１８】また、複数枚の樹脂シートを型枠内面へ装
着するに際し、その一部を重ね合わせるが、本発明方法
を採用したことにより、重合領域の水密性が確保され、
シート厚みの増加も殆どないから、広範囲にわたり均一
な表面性状を有するコンクリート壁面を打設することが
できる。Furthermore, when attaching a plurality of resin sheets to the inner surface of the mold, some of them are overlapped, but by adopting the method of the present invention, the watertightness of the polymerization area is ensured,
Since there is almost no increase in sheet thickness, it is possible to cast concrete walls with uniform surface texture over a wide range.
【図１】図（ａ）は、型枠の内面に樹脂シートを装着し
た状態の要部を示す側面断面図であり、図（ｂ）は、中
空発泡突起の破裂用ローラの一例を示す側面図である。1] Figure (a) is a side sectional view showing the main parts of a mold with a resin sheet attached to the inner surface, and Figure (b) is a side view showing an example of a roller for bursting hollow foam protrusions. It is a diagram.
【図２】型枠に装着した樹脂シートの所定領域を破裂さ
せた状態、及び重合させる他の樹脂シートの要部を示す
側面断面図である。FIG. 2 is a side cross-sectional view showing a state in which a predetermined region of a resin sheet attached to a formwork is ruptured, and a main part of another resin sheet to be polymerized.
【図３】樹脂シートを一部重ね合わせて型枠に装着した
状態の要部を示す側面断面図である。FIG. 3 is a side sectional view showing the main parts of the resin sheets partially overlapped and attached to the formwork.
【図４】型枠内へ未硬化コンクリートを流し込んだ状態
を示す要部側面断面図である。FIG. 4 is a side sectional view of a main part showing a state in which uncured concrete is poured into a formwork.
【図５】打設されたコンクリート壁面の要部を示す側面
断面図である。FIG. 5 is a side sectional view showing a main part of a concrete wall surface that has been cast.
【図６】コンクリート壁面にモルタルを塗布してタイル
を張りつけた状態の要部を示す側面断面図である。FIG. 6 is a side cross-sectional view showing the main part of a concrete wall with mortar applied and tiles attached.
Claims (1)
面に装着した型枠内へ未硬化コンクリートを流し込んで
表面に多数の凹部を有するコンクリート壁面を打設する
方法であって、前記樹脂シートの複数枚を一部重なり合
わせて型枠内面へ装着するに際し、樹脂シートの重合領
域において下層側に位置する樹脂シートの中空発泡突起
を予め破裂させておくことを特徴とするコンクリート壁
面の打設方法。1. A method for pouring uncured concrete into a formwork whose inner surface is equipped with a resin sheet having hollow foam protrusions to form a concrete wall surface having a large number of recesses on the surface, the method comprising: A method for placing a concrete wall surface, which comprises bursting in advance the hollow foam protrusions of the resin sheet located on the lower layer side in the overlapping region of the resin sheet when the sheets are partially overlapped and attached to the inner surface of the formwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10694891A JPH04261962A (en) | 1991-02-14 | 1991-02-14 | Placing method of concrete wall surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10694891A JPH04261962A (en) | 1991-02-14 | 1991-02-14 | Placing method of concrete wall surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04261962A true JPH04261962A (en) | 1992-09-17 |
Family
ID=14446596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10694891A Pending JPH04261962A (en) | 1991-02-14 | 1991-02-14 | Placing method of concrete wall surface |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04261962A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100723593B1 (en) * | 2006-02-15 | 2007-06-04 | 전형주 | Construction method of finishing panel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4858628A (en) * | 1971-11-22 | 1973-08-17 |
-
1991
- 1991-02-14 JP JP10694891A patent/JPH04261962A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4858628A (en) * | 1971-11-22 | 1973-08-17 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100723593B1 (en) * | 2006-02-15 | 2007-06-04 | 전형주 | Construction method of finishing panel |
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