JP2662713B2 - Tile spalling prevention method - Google Patents
Tile spalling prevention methodInfo
- Publication number
- JP2662713B2 JP2662713B2 JP18151690A JP18151690A JP2662713B2 JP 2662713 B2 JP2662713 B2 JP 2662713B2 JP 18151690 A JP18151690 A JP 18151690A JP 18151690 A JP18151690 A JP 18151690A JP 2662713 B2 JP2662713 B2 JP 2662713B2
- Authority
- JP
- Japan
- Prior art keywords
- tile
- joint
- driving pin
- steel wire
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Finishing Walls (AREA)
- Working Measures On Existing Buildindgs (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はタイルの剥落防止工法に係るものである。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for preventing tiles from falling off.
（従来の技術） 近年、建造物の内外壁タイル、特に外壁タイルの浮上
りによる剥落事故が多発して、社会的問題を起こしてい
る。(Prior Art) In recent years, there has been a large number of spalling accidents caused by floating of inner and outer wall tiles of a building, particularly outer wall tiles, causing social problems.
タイルの浮上りの原因としては、ｉ）下地コンクリー
トの清掃不足、ii）下地コンクリートとタイルの接着モ
ルタルとの挙動の違い、iii）外壁タイル、特に東面、
西面の外壁タイルと下地コンクリートとの温度の違いに
よる面破壊、iv）建物全体の地震動等による伸縮の違い
に基因する面破壊、Ｖ）下地コンクリートの収縮に追従
しないために生じる面破壊が挙げられる。Causes of the rise of the tiles include i) insufficient cleaning of the underlying concrete, ii) differences in behavior between the underlying concrete and the adhesive mortar between the tiles, iii) exterior wall tiles, especially the east side,
Surface failure due to the difference in temperature between the outer wall tiles on the west side and the foundation concrete; iv) surface failure due to the difference in expansion and contraction due to the seismic motion of the entire building; Can be
第６図はタイルの浮上り状態を示し、浮上りを生じた
タイル（ａ）裏面の接着モルタル（ｂ）とコンクリート
躯体（ｃ）との間に空隙部（ｄ）が形成されている。FIG. 6 shows the floating state of the tile, in which a void (d) is formed between the adhesive mortar (b) on the back surface of the tile (a) and the concrete skeleton (c) on which the floating has occurred.
なお図中（ｅ）はタイルの目地部である。 (E) in the figure is the joint part of the tile.
従来、このような場合におけるタイルの剥落を防止す
るため、タイル目地部を穿孔して、同穿孔部より空隙部
にエポキシ樹脂を注入する方法が採用されていた。Conventionally, in order to prevent the tiles from falling off in such a case, a method has been adopted in which a tile joint is perforated and an epoxy resin is injected into the void from the perforated portion.
（発明が解決しようとする課題） 前記エポキシ樹脂注入工法は、樹脂注入孔の穿孔作
業、同穿孔部からの樹脂注入作業に多大の手間と時間と
を要し、また樹脂によってタイルの背面が加圧され、タ
イルが膨らみ、空隙部が大きい場合には実施が困難、ま
たは不可能になるという問題点があった。(Problems to be Solved by the Invention) The above-mentioned epoxy resin injection method requires a lot of labor and time for drilling a resin injection hole and for injecting resin from the drilled portion. When the tiles are pressed, the tiles swell, and the voids are large, it is difficult or impossible to carry out the operation.
本発明は前記従来技術の有する問題点に鑑みて提案さ
れたもので、その目的とする処は、特殊技能工を要する
ことなく、作業が簡単、迅速に行なわれ、タイルの剥落
が確実に防止されるタイルの剥落防止工法を提供する点
にある。The present invention has been proposed in view of the above-mentioned problems of the prior art, and the object thereof is to perform work easily and quickly without requiring special technicians, and to surely prevent tile peeling. It is to provide a method for preventing tiles from coming off.
（課題を解決するための手段） 前記の目的を達成するため、本発明に係るタイルの剥
落防止工法によれば、コンクリート躯体の貼設されたタ
イル層におけるタイル目地部より、前記コンクリート躯
体内に打込ピンを同ピンの先端部が前記目地部内に突出
するように圧入、定着し、前記打込ピンの突出先端部間
に亘って鋼線を張架するものである。(Means for Solving the Problems) In order to achieve the above object, according to the tile peeling prevention method according to the present invention, a tile joint portion in a tile layer on which a concrete skeleton is stuck is inserted into the concrete skeleton. The driving pin is press-fitted and fixed such that the distal end of the driving pin projects into the joint, and a steel wire is stretched between the protruding distal ends of the driving pin.
（作用） 本発明によれば前記したように、コンクリート躯体に
貼設されたタイル層における目地部より打込ピンを先端
部が目地部内に突出するように前記コンクリート躯体内
に圧入、定着し、かくして前記躯体に定着された前記打
込ピンの目地部内突出端部を利用して、相隣る打込ピン
間に鋼線を張架し、同鋼線を介して前記タイルの目地モ
ルタルまたはシール材及びタイル裏面の接着モルタルを
前記コンクリート躯体の係止し、タイルの剥落を防止す
るものである。(Operation) According to the present invention, as described above, a driving pin is pressed and fixed into the concrete skeleton such that a tip end projects from the joint in the tile layer affixed to the concrete skeleton so as to project into the joint. Thus, a steel wire is stretched between the adjacent driving pins by using the projecting end of the driving pin fixed to the frame, and the joint mortar or seal of the tile is interposed through the steel wire. The material and the adhesive mortar on the back surface of the tile are engaged with the concrete skeleton to prevent the tile from falling off.
（実施例） 以下本発明を図示の実施例について説明する。(Example) Hereinafter, the present invention will be described with reference to an illustrated example.
（１）はコンクリート外壁、（２）は同外壁（１）の
表面に接着モルタル（３）を介して貼設されたタイル、
（４）は同タイル（２）の浮上りによって生じたタイル
と外壁との間に生起した空隙部である。(1) is a concrete outer wall, (2) is a tile attached to the surface of the outer wall (1) via an adhesive mortar (3),
(4) is a void portion generated between the tile and the outer wall caused by the floating of the tile (2).
而して壁面からの浮上りを生起した前記タイル（２）
の収縮目地をカツターで切断し、タイル（２）の目地部
（５）より前記コンクリート外壁（１）に打込ピン
（６）を、同ピンの先端部が目地部（５）内に突出する
ように圧入する。Thus, the tile (2) that has raised from the wall surface
Is cut with a cutter, a driving pin (6) is projected from the joint (5) of the tile (2) to the concrete outer wall (1), and the tip of the pin projects into the joint (5). Press-fit.
第５図は前記打込ピン（６）を示し、同ピンの主体を
構成する円筒状片の先端部には軸方向に延びる割截部
（７）が設けられ、同割截部（７）の端部には鋼線保持
用凹部（８）が連設されている。更に前記円筒状片の基
端部には軸線方向に延びる複数の割截溝（９）が設けら
れ、円筒状片における同割截溝（９）部分に楔片（10）
が嵌挿され、前記打込ピン（６）をタイル目地部よりコ
ンクリート外壁（１）に圧入すると、楔片（10）が円筒
状片に楔入することによって、前記割截溝（９）によっ
て形成された複数の遊離片（6a）が拡開してコンクリー
ト外壁（１）内に圧入し、同外壁（１）に前記打込ピン
（６）が定着されるように構成されている。FIG. 5 shows the driving pin (6). A cutting portion (7) extending in the axial direction is provided at the tip of a cylindrical piece constituting the main body of the driving pin (6). A steel wire holding concave portion (8) is continuously provided at an end of the steel wire. Further, a plurality of split grooves (9) extending in the axial direction are provided at the base end of the cylindrical piece, and a wedge piece (10) is formed at the portion of the cylindrical groove (9) in the cylindrical piece.
When the driving pin (6) is pressed into the concrete outer wall (1) from the joint of the tiles, the wedge piece (10) is wedged into the cylindrical piece, whereby the split groove (9) is used. The formed loose pieces (6a) are expanded and press-fit into the concrete outer wall (1), and the driving pin (6) is fixed to the outer wall (1).
かくして前記タイル（２）の目地部（５）よりコンク
リート外壁（１）に打込ピン（６）を圧入して同外壁
（１）に定着したのち、相隣る打込ピン（６）の目地部
（５）内に突出する先端部間に亘って鋼線（11）を配設
するとともに、同鋼線（11）を前記打込ピン（６）の割
截部（７）に沿って同ピン（６）の軸方向に押込み、同
割截部（７）に連設された鋼線保持用凹部（８）に糸巻
きの糸端止めのように係止し、かくして相隣る前記打込
ピン（６）間に鋼線（11）を張架するものである。（第
１図参照） 次いで前記目地部（５）に目地モルタルまたはシール
（12）を填装するものである。（第２図及び第４図参
照） 前記の方法によれば、目地部（５）においてコンクリ
ート外壁（１）に圧入、定着された打込ピン（６）にお
ける目地部（５）内に突出する先端部間に張架された鋼
線（11）によって、前記目地部（５）内の目地モルタル
またはシール（12）及びタイル（２）裏面の接着モルタ
ル（３）がコンクリート外壁（１）に係止され、タイル
（２）の剥落が防止される。Thus, after the driving pin (6) is pressed into the concrete outer wall (1) from the joint (5) of the tile (2) and fixed to the outer wall (1), the joint of the adjacent driving pin (6) is formed. A steel wire (11) is disposed between the tips projecting into the portion (5), and the steel wire (11) is formed along the cut portion (7) of the driving pin (6). The pin (6) is pushed in the axial direction, and is engaged with a steel wire holding concave portion (8) provided continuously with the split portion (7) like a thread end stop of a thread winding. A steel wire (11) is stretched between the pins (6). (Refer to FIG. 1) Next, the joint portion (5) is filled with a joint mortar or a seal (12). (See FIGS. 2 and 4) According to the above method, the joint pin (5) is pressed into the concrete outer wall (1), and projects into the joint section (5) of the driving pin (6) fixed. The joint mortar or seal (12) in the joint (5) and the adhesive mortar (3) on the back side of the tile (2) are connected to the concrete outer wall (1) by the steel wire (11) stretched between the tips. The tile (2) is prevented from falling off.
なお前記打込ピン（６）は第３図に示すように、タイ
ル層の縦目地（5a）と横目地（5b）との交点、若しくは
同交点近傍に配設されるとよい。As shown in FIG. 3, the driving pin (6) may be disposed at the intersection of the vertical joint (5a) and the horizontal joint (5b) of the tile layer, or near the intersection.
また前記工法は既設のタイルの補修だけでなく、新設
時に適用してもよい。In addition, the above-described method may be applied not only to repair of existing tiles, but also to new construction.
（発明の効果） 本発明によれば前記したように、コンクリート躯体に
貼設されたタイル層におけるタイル目地より、打込ピン
を前記コンクリート躯体に圧入、定着し、同打込ピンに
おける目地内突出先端部間に鋼線を張架することによっ
て、同鋼線を介してタイルを前記コンクリート躯体に係
止し、技能職を要することなく簡単、迅速にタイルの剥
落防止作業が行なわれるものであって、本発明の工法は
前記従来のエポキシ樹脂注入工法に比して工期を大幅に
短縮することができ、また施工状況を目視によって判断
することができ、施工漏れを生じることがない。(Effects of the Invention) According to the present invention, as described above, a driving pin is pressed into and fixed to the concrete skeleton from a tile joint in a tile layer attached to the concrete skeleton, and the driving pin projects into the joint. By stretching a steel wire between the tips, the tile is locked to the concrete skeleton through the steel wire, and the work of preventing the tile from falling off can be performed easily and quickly without requiring a skilled worker. Therefore, the construction method of the present invention can greatly shorten the construction period as compared with the above-mentioned conventional epoxy resin injection construction method, and can visually judge the construction status, and there is no construction omission.
また本発明によれば、タイル表面を汚損することがな
く、水漏れ等を考慮することなく施工ができ、更に前記
エポキシ樹脂注入工法におけるように、施工季節に影響
されることなく、更にまたタイルの接着モルタルとコン
クリート躯体との間の空隙部の大きさに影響されること
なく施工できる。Further, according to the present invention, without damaging the tile surface, the construction can be performed without considering water leakage and the like, and further, as in the epoxy resin injection method, without being affected by the construction season, and furthermore, the tile It can be installed without being affected by the size of the gap between the adhesive mortar and the concrete skeleton.
請求項２の発明は、前記打込ピンの先端部に軸方向に
延びる割截部を設け、同割截部の基端部に鋼線保持用凹
部を連設したことによって、前記コンクリート躯体に圧
入、定着された打込ピンにおけるタイルの目地部内に突
出する先端部間に対する鋼線の張架作業を容易ならしめ
るものである。The invention according to claim 2 is characterized in that a cutting portion extending in the axial direction is provided at a tip end portion of the driving pin, and a steel wire holding concave portion is continuously provided at a base end portion of the cutting portion. This facilitates the work of stretching the steel wire between the tips of the press-fitted and fixed driving pins projecting into the joints of the tile.
第１図及び第２図は本発明に係るタイルの剥離防止工法
の一実施例の工程を示す部分拡大縦断側面図、第３図は
本発明の工法が適用されたタイル壁の部分正面図、第４
図はその部分横断平面図、第５図は打込ピンの側面図、
第６図はタイルの浮上り状態を示す縦断側面図である。 （１）……コンクリート外壁、（２）……タイル、 （３）……接着モルタル、（４）……空隙部、 （５）……目地部、（６）……打込ピン、 （７）……割截部、（11）……鋼線。1 and 2 are partially enlarged longitudinal side views showing steps of an embodiment of a tile peeling prevention method according to the present invention, FIG. 3 is a partial front view of a tile wall to which the method of the present invention is applied, 4th
The figure is a partial cross-sectional plan view, FIG. 5 is a side view of the driving pin,
FIG. 6 is a vertical sectional side view showing a floating state of the tile. (1) ... concrete outer wall, (2) ... tile, (3) ... adhesive mortar, (4) ... void, (5) ... joint, (6) ... driving pin, (7) )… Cleaved part, (11)… Steel wire.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−161265（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-63-161265 (JP, A)
Claims (2)
おけるタイル目地部より、前記コンクリート躯体内に打
込ピンを同ピンの先端部が前記目地部内に突出するよう
に圧入、定着し、前記打込ピンの突出先端部間に亘って
鋼線を張架することを特徴とするタイルの剥落防止工
法。1. A driving pin is pressed into a concrete skeleton from a tile joint portion of a tile layer attached to a concrete skeleton so that a tip end of the pin projects into the joint portion, and is fixed. A steel wire is stretched between the protruding tips of the insertion pins.
截部を設けるとともに、同割截部の基端部に鋼線係着部
を連設してなる請求項１記載のタイルの剥落防止工法。2. The tile according to claim 1, wherein a cutout portion extending in the axial direction is provided at a tip end of the driving pin, and a steel wire engaging portion is continuously provided at a base end of the cutout portion. Method to prevent flakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18151690A JP2662713B2 (en) | 1990-07-11 | 1990-07-11 | Tile spalling prevention method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18151690A JP2662713B2 (en) | 1990-07-11 | 1990-07-11 | Tile spalling prevention method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0470473A JPH0470473A (en) | 1992-03-05 |
| JP2662713B2 true JP2662713B2 (en) | 1997-10-15 |
Family
ID=16102125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18151690A Expired - Lifetime JP2662713B2 (en) | 1990-07-11 | 1990-07-11 | Tile spalling prevention method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2662713B2 (en) |
-
1990
- 1990-07-11 JP JP18151690A patent/JP2662713B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0470473A (en) | 1992-03-05 |
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