JPH089850B2 - Ground coat repair method and ground coat - Google Patents
Ground coat repair method and ground coatInfo
- Publication number
- JPH089850B2 JPH089850B2 JP21873486A JP21873486A JPH089850B2 JP H089850 B2 JPH089850 B2 JP H089850B2 JP 21873486 A JP21873486 A JP 21873486A JP 21873486 A JP21873486 A JP 21873486A JP H089850 B2 JPH089850 B2 JP H089850B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- surface layer
- ground coat
- asphalt concrete
- water
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 10
- 239000002344 surface layer Substances 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 25
- 239000011384 asphalt concrete Substances 0.000 claims description 24
- 239000004576 sand Substances 0.000 claims description 20
- 239000004745 nonwoven fabric Substances 0.000 claims description 10
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 32
- 239000000377 silicon dioxide Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Road Repair (AREA)
- Road Paving Structures (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はグラウンドコートの補修方法ならびにグラウ
ンドコートに係り、特に補修面が地下水蒸気により膨張
しないグラウンドコートに関する。TECHNICAL FIELD The present invention relates to a ground coat repairing method and a ground coat, and more particularly to a ground coat whose repair surface does not expand due to underground steam.
従来グラウンドコート例えばテニスコートは第１図の
符号Ｃで示す部分のように、路盤１上にアスファルトコ
ンクリート層２を敷設し、その上に表層３を形成してい
る。この表層３が補修を要するときは、第１図中、符号
Ｂで示すように、その上に更にアスファルトコンクリー
ト層４を敷設して上面に表層５を形成している。In a conventional ground court, for example, a tennis court, an asphalt concrete layer 2 is laid on a roadbed 1 and a surface layer 3 is formed thereon as shown by a portion C in FIG. When the surface layer 3 needs to be repaired, an asphalt concrete layer 4 is further laid on the surface layer 3 to form a surface layer 5 on the upper surface thereof, as indicated by a symbol B in FIG.
前記補修後に、さらに符号Ｂで示す層4,5を補修する
場合にはＢ層の上に更にＢ層を重ねるという工法がとら
れている。When the layers 4 and 5 indicated by reference numeral B are further repaired after the repair, a construction method of further stacking the B layer on the B layer is adopted.
前記工法における表層3,5はアクリルウレタンを主材
とするもので不透水性である。The surface layers 3 and 5 in the above method are mainly made of acrylic urethane and are impermeable to water.
前記補修工法において、表層3,5は不透水性である。
この表層５が破損すると、破損箇所から雨水が浸入して
しまい、そのまま表層５の破損箇所を修繕して、符号Ａ
で新規の表層を敷設すると、この雨水が蒸発してアスフ
ァルトコンクリート層４と表層５間に水蒸気が溜り、蒸
気圧によって表層を押しあげて水ぶくれ状に剥離現象が
生じ、表層がふくれあがってブリスタリング現象が生じ
て耐久性に問題があった。In the repair method, the surface layers 3 and 5 are impermeable.
If this surface layer 5 is damaged, rainwater will infiltrate from the damaged part, and the damaged part of the surface layer 5 will be repaired as it is, and the code A
When a new surface layer is laid, the rainwater evaporates and water vapor accumulates between the asphalt concrete layer 4 and surface layer 5, causing the surface layer to blister due to vapor pressure pushing up the surface layer, causing the blistering phenomenon. Caused a problem in durability.
本発明は前記問題点を解決し、降雨水の地下への透過
性はないが、地下から上がる水蒸気は通過させてしまう
表層を形成するグラウンドコートの補修工法ならびにグ
ラウンドコートを提供することを目的として開発したも
ので、具体的な手段として、 （１）アスファルトコンクリート層上に表層を敷設した
既設グラウンドコートにおいて、該表層表面に所定間隔
おきに多数の水抜穴を下部のアスファルトコンクリート
層を貫通するように穿設し、該水抜穴の中にミニサンド
パイルを嵌設すると共に水抜穴の開口端内周縁部に可通
気不透水性蓋体を嵌装し、表層表面に合成樹脂接着剤を
点在状に塗着形成して、その上に不織布を敷設し、該不
織布の表面に可通気不透水性表層を敷設形成することを
特徴とするグラウンドコートの補修方法 （２）アスファルトコンクリート層上に表層を敷設した
既設グラウンドコートにおいて、該表層表面に所定間隔
おきに多数の水抜穴を下部のアスファルトコンクリート
層を貫通するよう穿設し、該水抜穴の開口端内周縁部に
可通気不透水性蓋体を嵌装し、表層表面に合成樹脂接着
剤を点在状に塗着形成して、その表面に不織布を敷設
し、該不織布の表面に可通気不透水性表層を敷設形成し
て成ることを特徴とするグラウンドコート、を構成する
ものである。The present invention solves the above problems, and has an object to provide a ground coat repairing method and a ground coat that form a surface layer that has no permeability to rainwater underground, but allows water vapor rising from underground to pass through. As a concrete means, it has been developed. (1) In the existing ground coat where the surface layer is laid on the asphalt concrete layer, a large number of drain holes are formed on the surface of the asphalt concrete layer at predetermined intervals to penetrate the lower asphalt concrete layer. And a mini sand pile is fitted into the drainage hole, a breathable impermeable lid is fitted to the inner peripheral edge of the opening end of the drainage hole, and a synthetic resin adhesive is scattered on the surface of the surface layer. (2) A method for repairing a ground coat, which comprises: forming a non-woven fabric on the surface of the non-woven fabric by laminating and forming a non-woven fabric thereon. In an existing ground coat with a surface layer laid on an asphalt concrete layer, a large number of water drain holes are formed on the surface of the surface layer at predetermined intervals so as to penetrate the lower asphalt concrete layer, and at the inner peripheral edge of the open end of the water drain hole. A breathable impermeable lid is fitted, and a synthetic resin adhesive is applied in a dotted manner on the surface of the surface, and a non-woven fabric is laid on the surface, and a breathable impermeable surface layer is formed on the surface of the non-woven fabric. A ground coat characterized by being formed by laying.
水抜穴は既設表層から下部アスファルトコンクリート
層に達していてミニサンドパイルが埋設されているた
め、アスファルトコンクリート間に介在している水分は
ミニサンドパイルを経て上方へ達し、アスファルトコン
クリート間の水は毛管作用によって急激に減少し、残っ
た少量の水は水蒸気となる。ミニサンドパイル上には蓋
体があるが、透気性なので水蒸気は上方へ透過させて水
抜きをすることができる。また蓋体は不透水性なので降
水などは下方へ透過させない。Since the drainage holes reach the lower asphalt concrete layer from the existing surface layer and the mini sand pile is buried, the water intervening between the asphalt concrete reaches the upper side through the mini sand pile, and the water between the asphalt concrete is caused by capillary action. It decreases sharply, and the small amount of remaining water becomes steam. There is a lid on the mini sand pile, but since it is air permeable, water vapor can be transmitted upward to drain water. Moreover, since the lid is impermeable, it does not allow precipitation to pass downward.
従って、内部の水分をよく自然蒸発させてから補修表
層を形成することができ、補修後に表層が剥離現象を起
こすことがない。Therefore, the repair surface layer can be formed after the internal water is naturally evaporated, and the surface layer does not peel off after the repair.
本発明の実施例を図面に基づいて説明する。 An embodiment of the present invention will be described with reference to the drawings.
第１図において、Ｂ層とＣ層は既設のグラウンドコー
トであり、下層から路盤１、アスファルトコンクリート
層２、表層３、アスファルトコンクリート層４、表層５
であり、今この表層５が破損したので補修するものであ
る。In FIG. 1, layers B and C are existing ground coats, and from the bottom, roadbed 1, asphalt concrete layer 2, surface layer 3, asphalt concrete layer 4, surface layer 5
Since the surface layer 5 is damaged now, it is to be repaired.
既設表層５の表面に縦横方向に約60cmおきに直径15mm
の水抜穴６を下部アスファルトコンクリート層４に達す
るように穿設し、水抜穴６の開口部は直径約30mm、深さ
約6mmの大径穴6Aに形成し、前記水抜穴６には硅砂６号
を投入してミニサンドパイルを形成する。また前記大径
穴6Aには蓋体８を嵌合させる。該蓋体８は硅砂６号を80
％重量部にエポキシ樹脂、硬化剤の混合体を20％重量部
混練して円板状に形成固形化したもので通気性はある
が、不透水性である。15mm in diameter in every 60cm in the vertical and horizontal directions on the surface of the existing surface layer 5.
Of the drainage hole 6 is formed so as to reach the lower asphalt concrete layer 4, and the opening portion of the drainage hole 6 is formed as a large diameter hole 6A having a diameter of about 30 mm and a depth of about 6 mm. No. is inserted to form a mini sand pile. A lid 8 is fitted in the large diameter hole 6A. The lid 8 is made of silica sand 6
A mixture of 20% by weight of a mixture of an epoxy resin and a curing agent in% by weight is formed into a disk shape and solidified, and is breathable but impermeable to water.
以上の構成によってアスファルトコンクリート層４の
水分はミニサンドパイル７を水蒸気として通過し、可通
気不透水性の蓋体８から外部へ蒸発してしまう。With the above configuration, the water content of the asphalt concrete layer 4 passes through the mini sand pile 7 as water vapor and evaporates from the air-permeable and impermeable lid 8 to the outside.
このようにして水抜をした後、既設表層５上面にエポ
キシ樹脂材から成る接着剤9,9…をクシ引きの方法によ
って点在状に塗布してその上面に不織布10を接着敷設す
る。After draining the water in this manner, the adhesive 9, 9 made of an epoxy resin material is applied to the upper surface of the existing surface layer 5 in a scattered manner by a combing method, and the nonwoven fabric 10 is adhesively laid on the upper surface.
前記不織布10の上面に可通気不透水性表層11を敷設す
る。A breathable and impermeable surface layer 11 is laid on the upper surface of the nonwoven fabric 10.
該可通気不透水性表層11はエチレン酢酸エマルジョン
40％、７号硅砂８％、顔料20％、保水剤16％、ゴム粉末
その他16％（各重量％）を混練したもので、厚さ4mmの
層状に吹付塗装の方法をもって敷設形成した。The breathable and impermeable surface layer 11 is an ethylene acetate emulsion.
40%, No.7 silica 8%, pigment 20%, water retention agent 16%, rubber powder and other 16% (each weight%) were kneaded, and were laid and formed into a layer with a thickness of 4 mm by spray coating.
７日間養生の後、新しい補修表層11を形成することが
できた。After curing for 7 days, a new repair surface layer 11 could be formed.
同じ補修グラウンドコートにおいて、実験的に５平方
メートルについて、前記サンドパイル７と蓋体８を実施
しないで表層11を形成した。その結果、下部アスファル
トコンクリート４中の水分が蒸発して表層５の破損部か
ら上昇するため、補修表層がなかなか硬化せず、本実施
例の補修表層11よりも３日も硬化が遅れた。また、３ケ
月にわたって双方を目視観察した結果、２ケ月目に本発
明の実施例でない部分に無数の水泡状隆起が見られ、70
日目には隆起部分に亀裂が生じたが、本発明の実施例施
工部分には何ら障害が生じなかった。In the same repair ground coat, the surface layer 11 was formed experimentally for 5 square meters without performing the sand pile 7 and the lid 8. As a result, the water in the lower asphalt concrete 4 evaporated and rose from the damaged portion of the surface layer 5, so that the repair surface layer did not harden easily, and the hardening was delayed by 3 days as compared with the repair surface layer 11 of the present example. In addition, as a result of visual observation of both for three months, innumerable blisters were observed in the portion which is not an example of the present invention at the second month.
On the day, a crack was generated in the raised portion, but no damage was generated in the portion where the embodiment of the present invention was applied.
本発明は前記実施例に限定されるものではなく、適宜
設計変更することができる。水抜穴６の径ならびに配設
の間隔は下部の既設表層の厚さならびにアスファルトコ
ンクリート中の水分、路盤部分の湿度等により適宜変化
させる。The present invention is not limited to the above-mentioned embodiment, and the design can be changed appropriately. The diameter of the drainage holes 6 and the interval of arrangement are appropriately changed depending on the thickness of the existing lower surface layer, the water content in the asphalt concrete, the humidity of the roadbed portion, and the like.
前記可通気不透水性表層11の敷設方法としては前記吹
付塗装の他に、ヘラによる塗着ならびにローラー塗着等
の方法を用いることができる。該ヘラ塗着は、軌道上を
滑動する台車にヘラを垂設して、平坦性を確保して塗着
し、ヘラとローラーを併用することもできる。可通気不
透水性表層11の厚さは10mm以上に厚くすることもでき
る。また表層11を形成する表層材中の硅砂は７号硅砂に
限るものではなく、６号,8号を用い、或いは混合状とし
て使用することもあり、量も全体重量比６〜12％と変化
させることもできる。また硅砂に代えて類似鉱物質を用
いることができることは当然である。As a method for laying the air-permeable and water-impermeable surface layer 11, a method such as coating with a spatula and roller coating can be used in addition to the spray coating. The spatula application may be carried out by suspending a spatula on a carriage that slides on a track and applying the spatula while ensuring flatness, and using a spatula and a roller together. The air-permeable and water-impermeable surface layer 11 can be thickened to 10 mm or more. In addition, the silica sand in the surface material forming the surface layer 11 is not limited to the silica sand of No. 7, but No. 6 and 8 may be used, or may be used as a mixture, and the amount changes from 6 to 12% by weight. You can also let it. Naturally, similar minerals can be used instead of silica sand.
ミニサンドパイルの硅砂粒度は４〜７号を用いるが、
硅砂以外の素材を混合し或いは全部を変えることができ
る。またミニサンドパイル７は粒体状でなく、接着剤を
もって固形パイル状に形成しておくこともできる。その
場合、前記蓋体８と一体に結合した形状にすることがで
きる。Although the number of silica sand particles of Mini Sand Pile is 4-7,
Materials other than silica sand can be mixed or all can be changed. Further, the mini sand pile 7 may be formed in a solid pile shape with an adhesive instead of the granular shape. In that case, the lid 8 may be integrally formed.
本発明は次のような優れた効果を有している。 The present invention has the following excellent effects.
（１）サンドパイルは既設グラウンドコートのアスファ
ルトコンクリート層中の水分を上方へ毛管作用で流出さ
せて急激に減少させ、残った少量の水は水蒸気として逃
がす気路となり、補修前に水抜きをすることができるた
め、補修表層の硬化が早く、かつ補修後に表層の剥離、
亀裂等が生ぜず耐久性を向上させることができる。(1) Sandpile causes moisture in the asphalt concrete layer of the existing ground coat to flow upward by a capillary action to sharply decrease, and a small amount of remaining water serves as an airway to escape as water vapor, which drains water before repair. Therefore, the repair surface layer cures quickly, and the surface layer peels off after repair.
It is possible to improve durability without causing cracks and the like.
（２）蓋体をサンドパイル上に被蓋してあるため、雨水
がサンドパイルを介して中部へ浸入することが防止さ
れ、また、蓋体は水蒸気を透過させるため、サンドパイ
ルからの水抜きは支障なく行なうことができる。(2) Since the lid body is covered with the sand pile, rainwater is prevented from entering the middle part through the sand pile, and since the lid body allows water vapor to pass therethrough, drainage from the sand pile is prevented. Can be done without any problems.
（３）補修した新しい表層は不透水性なので、雨水が下
部へ浸透することはないが、地下水等による内部湿気に
ついては、可通気性で水蒸気を通すので、外方へ水抜き
をすることができて、従来の表層のように水蒸気による
ふくれ、亀裂等が生ずることがない等耐久性にすぐれて
いる。(3) The repaired new surface layer is impermeable, so rainwater does not permeate to the lower part, but internal moisture from groundwater etc. is breathable and allows water vapor to pass through, so drainage to the outside is possible. As a result, it is excellent in durability such as swelling and cracking due to water vapor unlike the conventional surface layer.
図面は本発明の実施例に係り、第１図は縦断面図、第２
図は要部拡大縦断面図である。 １……路盤 ２……アスファルトコンクリート 3,5……既設表層、６……水抜穴 ７……ミニサンドパイル、８……蓋体 ９……接着剤、10……不織布 11……可通気不透水性表層 Ａ……補修層 B,C……既設グラウンドコートThe drawings relate to an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view and FIG.
The figure is an enlarged vertical cross-sectional view of a main part. 1 …… Roadbed 2 …… Asphalt concrete 3,5 …… Existing surface layer, 6 …… Drainage hole 7 …… Mini sand pile, 8 …… Lid body 9 …… Adhesive, 10 …… Nonwoven fabric 11 …… Ventiable and impermeable Surface layer A …… Repair layer B, C …… Existing ground coat
Claims (2)
設した既設グラウンドコートにおいて、該表層表面に所
定間隔に多数の水抜穴を下部のアスファルトコンクリー
ト層を貫通するよう穿設し、該水抜穴内にミニサンドパ
イルを嵌設すると共に水抜穴の開口端面内縁部に可通気
不透水性蓋体を嵌装し、前記表層表面に合成樹脂接着剤
層を点在状に塗着形成して、その上面に不織布を敷設
し、該不織布の表面に可通気不透水性表層を敷設形成す
ることを特徴とするグラウンドコートの補修方法。1. In an existing ground coat having a surface layer laid on an asphalt concrete layer, a large number of water drain holes are formed on the surface of the surface layer at predetermined intervals so as to penetrate through a lower asphalt concrete layer, and a mini sand pile is formed in the water drain hole. And a breathable impermeable lid on the inner edge of the open end of the water drainage hole, and a synthetic resin adhesive layer is formed on the surface of the surface in a scattered manner. A method for repairing a ground coat, which comprises laying and forming a breathable and impermeable surface layer on the surface of the nonwoven fabric.
設した既設グラウンドコートにおいて、該表層表面に所
定間隔に多数の水抜穴を下部のアスファルトコンクリー
ト層を貫通するよう穿設し、該水抜穴内にミニサンドパ
イルを嵌設すると共に水抜穴の開口端面内縁部に可通気
不透水性蓋体を嵌装し、前記表層表面に合成樹脂接着剤
層を点在状に塗着形成して、その上面に不織布を敷設
し、該不織布の表面に可通気不透水性表層を敷設形成し
て構成することを特徴とするグラウンドコート。2. An existing ground coat in which a surface layer is laid on an asphalt concrete layer, and a plurality of drain holes are formed at predetermined intervals on the surface of the asphalt concrete layer so as to penetrate through the lower asphalt concrete layer, and a mini sand pile is formed in the drain hole. And a breathable impermeable lid on the inner edge of the open end of the water drainage hole, and a synthetic resin adhesive layer is formed on the surface of the surface in a scattered manner. A ground coat, which is constructed by laying and forming a breathable impermeable surface layer on the surface of the nonwoven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21873486A JPH089850B2 (en) | 1986-09-17 | 1986-09-17 | Ground coat repair method and ground coat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21873486A JPH089850B2 (en) | 1986-09-17 | 1986-09-17 | Ground coat repair method and ground coat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6375203A JPS6375203A (en) | 1988-04-05 |
| JPH089850B2 true JPH089850B2 (en) | 1996-01-31 |
Family
ID=16724595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21873486A Expired - Fee Related JPH089850B2 (en) | 1986-09-17 | 1986-09-17 | Ground coat repair method and ground coat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH089850B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170127830A (en) * | 2016-05-13 | 2017-11-22 | (주)지오그린 | Method for stebilizing inclined plane using fixing clip for jute mat and device for waterway formation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7369539B2 (en) * | 2019-03-31 | 2023-10-26 | 太平洋セメント株式会社 | How to absorb carbon dioxide |
-
1986
- 1986-09-17 JP JP21873486A patent/JPH089850B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170127830A (en) * | 2016-05-13 | 2017-11-22 | (주)지오그린 | Method for stebilizing inclined plane using fixing clip for jute mat and device for waterway formation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6375203A (en) | 1988-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |