JPS6363802A - Sand-containing artificial turf ground - Google Patents
Sand-containing artificial turf groundInfo
- Publication number
- JPS6363802A JPS6363802A JP20520386A JP20520386A JPS6363802A JP S6363802 A JPS6363802 A JP S6363802A JP 20520386 A JP20520386 A JP 20520386A JP 20520386 A JP20520386 A JP 20520386A JP S6363802 A JPS6363802 A JP S6363802A
- Authority
- JP
- Japan
- Prior art keywords
- sand
- artificial turf
- pile
- ground
- heat
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 title claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 45
- 229920006284 nylon film Polymers 0.000 description 9
- 239000004677 Nylon Substances 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 6
- 244000025254 Cannabis sativa Species 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は水分の保持率が適正で、表面の砂が硬（なりに
くい砂入り人工芝グランドに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an artificial turf field containing sand that has an appropriate moisture retention rate and has a hard sand surface.
競技場、公園、運動場、球技コート等のいわゆるグラン
ドは従来から土、砂、クレイ、天然芝、人工芝、アスフ
ァルトコンクリートまたは表面を樹脂塗装したケミカル
コート等で造られていた。So-called grounds such as stadiums, parks, sports fields, and ball courts have traditionally been constructed of soil, sand, clay, natural turf, artificial turf, asphalt concrete, or chemical courts coated with resin.
これらのグランドはいずれも一長一短があり、たとえば
土や砂は雨天に弱いこと、クレイや天然芝は手入れが必
要で、良いコンデジョンを維持することがむずかしいこ
と、アスファルトコンクリートやケミカルコートは夏場
はてりかえしが強く又競技者の脚が疲れ、危険が多いこ
と等の欠点があった。そこで、これらの欠点を改良する
ものとして人工芝を基盤上に敷設することが行なわれる
ようになった。この人工芝は従来は一般的にポリプロピ
レンあるいは熱処理されたナイロンのフィルムを細片化
したパイル糸を基材に植毛・装着したものであり、水は
けは人工芝や基盤ともに人工的に溝、穴等を設けること
により自由に調節でき、手入れの必要がないので近年広
く利用されるようになった。All of these grounds have advantages and disadvantages; for example, soil and sand are susceptible to rain, clay and natural grass require maintenance and are difficult to maintain in good condition, and asphalt concrete and chemical courts are difficult to maintain in the summer. There were disadvantages such as strong repetition, fatigue of the legs of the competitors, and many dangers. Therefore, in order to improve these drawbacks, artificial turf has been laid on the base. Conventionally, this artificial turf is generally made by grafting and attaching pile threads made of thin pieces of polypropylene or heat-treated nylon film to the base material, and drainage is achieved by artificially creating grooves, holes, etc. in both the artificial turf and the base. It has become widely used in recent years because it can be adjusted freely and requires no maintenance.
ところが、この人工芝グランドも使用してみるとグラン
ドの弾力が不自然であったり、降雨直後は芝の濡れがひ
どく、足をすべらせたり、また、テニスコート等におい
ては球足に不自然さが生じることがわかった。However, when I tried using this artificial turf field, I found that the elasticity of the ground was unnatural, the grass was so wet right after it rained that my feet slipped, and on tennis courts, the ball's feet were unnatural. It was found that this occurs.
そこで、この人工芝の上に砂等の鉱物質の粒状材料を散
布し、砂等の層を造ることが知られている（特公昭６０
−４６２０３号公報）。Therefore, it is known to scatter granular mineral materials such as sand on top of this artificial turf to create a layer of sand etc.
-46203).
砂入り人工芝を敷設したグランドは、敷設当初は水はけ
、弾性、脚に対する影響も良いが、日が経つにつれて、
砂が硬く固まり、セメントを固めたような状態になって
くることがわかった。この理由は定かではないが、ポリ
プロピ娑ンのパイルは吸水性がほとんどゼロに近いため
、砂に適正な水分を保持させることができないことが考
えらる。またポリプロピレンは敷設後比較的早くパイル
が砂をたきかかえるようにカール状に倒伏し、コートが
しめかためられ硬くなるものと考えられる。Grounds with sand-containing artificial turf have good drainage, elasticity, and foot comfort when first installed, but as time passes,
It was found that the sand hardened to a state similar to hardened cement. The reason for this is not clear, but it is thought that the polypropy pile has almost zero water absorption, so it is not possible to make the sand retain an appropriate amount of moisture. It is also believed that the pile of polypropylene curls up relatively quickly after being laid, so that the coat is compacted and becomes hard.
一方、ナイロンパイルは水分の保持率は良いが、パイル
細片の屈曲回復性を向上させるために熱セットを施しで
あるので屈曲回復性がよいため細片が直立し、表面の凹
凸が生じ、グランドの機能を半減させる結果となってい
た。On the other hand, nylon pile has a good moisture retention rate, but since it is heat-set to improve the bending recovery of the pile strips, the pile pieces stand upright and the surface becomes uneven. This resulted in the function of the ground being halved.
本発明はこのような砂入り人工芝グランドの欠点を解消
するため検討した結果、得られたものである。The present invention was obtained as a result of studies to eliminate the drawbacks of such sand-containing artificial turf grounds.
したがって本発明の目的は人工芝の上に敷きつめた砂が
常に適当な水分を保ち、間化しない砂入り人工芝グラン
ドを提供するものである。Therefore, an object of the present invention is to provide a sand-containing artificial turf ground in which the sand spread on the artificial turf always maintains an appropriate moisture content and does not clump.
［問題点を解決するための手段〕
上記、問題点を解決するため、本発明は次の手段をとる
。[Means for Solving the Problems] In order to solve the above problems, the present invention takes the following measures.
即ち、沸騰水収縮率が１０％以上゛の、熱セットがされ
ていないナイロンフィルムヤーンからなるパイル糸を基
材に植毛・装着した人工芝を安定基盤上に敷設し、その
上に砂を敷きつめたことを特徴とする砂入り人工芝グラ
ンドである。That is, artificial turf made of pile yarn made of non-heat-set nylon film yarn with a boiling water shrinkage rate of 10% or more is planted and attached to the base material, and then artificial turf is laid on a stable base, and sand is spread on top of it. This is an artificial turf field with sand, which is characterized by its unique features.
本発明におけるパイル糸はナイロンフィルムヤーンから
なるが、このナイロンフィルムは熱セットされておらず
、沸騰水収縮率が１０％以上であることが最大の特徴で
ある。従来のパイル糸は屈曲回復性を持たせるために、
必らず湿熱あるいは乾熱で１１０℃〜１４０℃で５〜１
５分間、熱セットすることによりナイロンの結晶性を上
昇させていた。熱セントしたナイロンパイルはへたりが
なく、カーペット、人工芝等には極めて適しているので
あるが、砂入り人工芝グランドに使用するとパイル細片
が直立し砂の表面が凹凸になり易いのである。又パイル
の吸水性も少ない。ところが、熱セットを施さない本発
明のナイロンフィルムヤーンのパイルは公定水分率４．
５％（２０℃、６５％ＲＨ） 、水中での水分率１５〜
２０％を有し、湿潤下において体積が膨張する。The pile yarn in the present invention is made of nylon film yarn, but the most important feature is that this nylon film is not heat set and has a boiling water shrinkage rate of 10% or more. In order to make conventional pile yarn have bending recovery properties,
Must be 5-1 at 110℃~140℃ with wet heat or dry heat.
The crystallinity of the nylon was increased by heat setting for 5 minutes. Heat-scented nylon pile does not set, making it extremely suitable for carpets, artificial turf, etc. However, when used on sand-filled artificial turf grounds, the pile pieces tend to stand upright, making the sand surface uneven. . The pile also has low water absorption. However, the pile of the nylon film yarn of the present invention that is not heat set has an official moisture content of 4.
5% (20℃, 65%RH), moisture content in water 15~
20% and expands in volume under humid conditions.
そのため、雨後が最もパイルの体積膨張力が大きく砂の
しめ固まりを抑えグランドは柔らかい状態となる。晴天
においても常に砂に水分を補給し、次ぎに砂の膨張力が
加わり、砂を微動させるため、砂が固化せず、常に流動
性のある砂の状態に保たせるのである。Therefore, after rain, the volumetric expansion force of the pile is greatest, suppressing the compaction of sand and leaving the ground in a soft state. Even on sunny days, water is constantly supplied to the sand, and then the expansion force of the sand is added, causing the sand to move slightly, so the sand does not harden and is always kept in a fluid state.
本発明における熱セットしないナイロンフィルムとは、
フィルム延伸工程は行なうが、その後の加熱工程がない
ことを意味し、上記のように沸騰水収縮率が１０％以上
であり、かつ好ましくはアセチレンによる架橋凍結法の
融解熱から求められた結晶化度が１６％以下である。The non-heat set nylon film in the present invention is
Although the film is stretched, it means that there is no subsequent heating step, and as mentioned above, the boiling water shrinkage rate is 10% or more, and preferably the crystallization is determined from the heat of fusion in the crosslinking and freezing method using acetylene. degree is 16% or less.
本発明のナイロンフィルムヤーンのパイル細片は厚さ３
０〜５０μ、幅５００〜１０００μが好ましく、パイル
織度は２０００〜６０００デニールが好ましい。The pile strips of the nylon film yarn of the present invention have a thickness of 3
0 to 50μ, width 500 to 1000μ are preferable, and the pile weave is preferably 2000 to 6000 deniers.
パイル細片がこれより小さくなると耐摩耗性の点で問題
となり耐久性に欠ける。ナイロンはナイロン６、ナイロ
ン６６が一般的であるがこれらに限定されない。If the pile strips are smaller than this, there will be problems in terms of wear resistance and durability will be lacking. Nylon is generally nylon 6 or nylon 66, but is not limited to these.
人工芝の構造は特に限定されず、バッキング層、または
クッション層を含む基材の上にパイル糸を植毛・装着し
たものを使用することができる。The structure of the artificial turf is not particularly limited, and it is possible to use one in which pile threads are flocked and attached to a base material including a backing layer or a cushion layer.
安定基盤とはコンクリート、アスファルト等の安定基盤
が好ましく、平滑で、かつ水はけ構造が設けられている
ものが好ましい。The stable base is preferably a stable base such as concrete or asphalt, and is preferably smooth and provided with a drainage structure.
本発明に使用する砂は天然砂、採石砂等、特に限定され
ないが、好ましくは、硅酸分が高く、特に好ましくは珪
酸分が９０％以上であり、形状は球状に近い天然の珪砂
が好ましい。球状に近い珪砂は破壊されにクク、耐久性
に冨み、また流動性が良いため、固化しにくい。砂の粒
径は２０〜５０メツシユ程変が好ましく、また構造体（
施工後Ｓこおいて）として水分保持率が５〜１０％程度
となるものが好まじい。 （珪酸分９０９＜以上のもの
はほとんど水は吸わず、付着水分が５〜６％の時が体積
が最も大である。）良好な砂は表面水がつくと、かさ容
積を増し、単位容積ｆｆ１Ｆｉが著しく減少する。すな
わち砂がふ（らむ。The sand used in the present invention is not particularly limited, such as natural sand or quarried sand, but preferably has a high silicic acid content, particularly preferably 90% or more of silicic acid content, and is preferably natural silica sand with a shape close to spherical. . Silica sand, which has a nearly spherical shape, is hard to break, has great durability, and has good fluidity, so it is difficult to solidify. The grain size of the sand preferably varies by about 20 to 50 mesh, and the structure (
It is preferable that the moisture retention rate is about 5 to 10% after construction. (Silic acid content of 909 or more absorbs almost no water, and the volume is the largest when the adhering moisture is 5 to 6%.) When good sand gets surface water, it increases in bulk, and the unit volume increases. ff1Fi decreases significantly. In other words, the sand is full.
一般に砂の含水率が５〜６％のとき最もふくらみが大き
く、容積増加は１０〜３０％に達する。Generally, when the moisture content of sand is 5 to 6%, the swelling is greatest, and the increase in volume reaches 10 to 30%.
この体積変化の運動が砂の固化を防止する。This movement of volume change prevents the sand from solidifying.
５作 用〕
本発明における人工芝のパイル糸は熱セットしないナイ
ロンフィルムヤーンを使用しているので、パイルが吸水
し易く砂層の水分が長時間保持される。雨後は問題ない
が晴天がつづきグランドが乾燥すれば通常散水を施すが
、その時、またパイルが吸水し、固くないグランドコン
デジョンが得られる。また、適当なへたりとパイルの膨
張によって砂を移動させ、結果として砂の固化を防止す
るものと考えられる。5. Effect] Since the artificial grass pile yarn of the present invention uses nylon film yarn that is not heat set, the pile easily absorbs water and the moisture in the sand layer is retained for a long time. There is no problem after rain, but if the weather continues to be sunny and the ground becomes dry, watering is normally applied, but at that time the pile absorbs water again, resulting in a ground condition that is not hard. It is also believed that the sand is moved by appropriate settling and expansion of the pile, and as a result, the solidification of the sand is prevented.
以下、実施例を挙げて本発明を具体的に説明する。 The present invention will be specifically described below with reference to Examples.
実施例１ 次の条件で実験用グランドを造った。Example 1 An experimental ground was constructed under the following conditions.
基盤ニアスフアルドコンクリート、広さ： ２００ｍ”
人工芝
基 材：ポリプロピレン（平！り
ナイロンパイル糸：４０μ×６５０μＸ ６０００Ｄ（
細片厚さ、幅、デニール）
砂：粒径２Ｂ〜４８メフシユの天然珪砂。（ＳｉＯ□、
９０χ）積層厚さ１５鳳り
この実験用グランドを使用して１年間テニスの練習コー
トとして実用テストを行ない、降雨後の表面の状態や硬
さく山中式土壌硬度計で測定）を調べた。結果を下記に
示す。Base: Niassfalconcrete, width: 200m”
Artificial grass base material: Polypropylene (flat! Nylon pile yarn: 40μ x 650μX 6000D (
(Strip thickness, width, denier) Sand: Natural silica sand with grain size of 2B to 48 mesh. (SiO□,
Using Riko Otori's experimental ground with a layer thickness of 15 (90χ), a practical test was conducted as a tennis practice court for one year, and the surface condition and hardness after rain (measured using a Yamanaka soil hardness meter) were investigated. The results are shown below.
比較のため、熱セットしたナイロンおよびポリプロピレ
ンを用いた人工芝を敷いた場合の結果も表にまとめた。For comparison, the results when heat-set nylon and polypropylene artificial turf were laid are also summarized in the table.
本発明の砂入り人工芝グランドは次の効果を発揮する。 The sand-containing artificial turf ground of the present invention exhibits the following effects.
（１） ｐセットされていないナイロンフィルムヤー
ンのパイル糸からなるパイルを植毛・装着した人工芝を
使用するので水分の保持率が高く、体積膨張するため、
砂を固化させることを防止する。適当な補水を与えるこ
とによってさらにその効果を増す。(1) Since we use artificial turf that is flocked and attached with piles made of pile yarns of nylon film yarns that are not p-set, it has a high moisture retention rate and expands in volume.
Prevents sand from solidifying. The effect can be further increased by providing appropriate rehydration.
（２）細かく砕けて固化しにくい流動性の良い砂が人工
芝の間に積層されるのでグランドは水はけが良く、常に
適当な弾力を有する。(2) Since highly fluid sand that is finely crushed and hard to solidify is layered between the artificial grass, the ground has good drainage and always has an appropriate elasticity.
Claims (1)
ナンロンフィルムヤーンからなるパイル糸を基材に植毛
・装着した人工芝を安定基盤上に敷設し、その上に砂を
敷きつめたことを特徴とする砂入り人工芝グランド。Artificial turf made of non-heat-set Nanlon film yarn with a boiling water shrinkage rate of 10% or more is planted and attached to the base material, and artificial turf is laid on a stable base, and sand is spread on top of it. An artificial turf ground with sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20520386A JPS6363802A (en) | 1986-09-02 | 1986-09-02 | Sand-containing artificial turf ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20520386A JPS6363802A (en) | 1986-09-02 | 1986-09-02 | Sand-containing artificial turf ground |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23143093A Division JPH0774489B2 (en) | 1993-09-17 | 1993-09-17 | How to lay artificial grass with sand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6363802A true JPS6363802A (en) | 1988-03-22 |
| JPH0364644B2 JPH0364644B2 (en) | 1991-10-08 |
Family
ID=16503106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20520386A Granted JPS6363802A (en) | 1986-09-02 | 1986-09-02 | Sand-containing artificial turf ground |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363802A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0263268A (en) * | 1988-08-30 | 1990-03-02 | Fujitsu Ltd | Method and apparatus for reducing picture |
| JP2008538229A (en) * | 2005-02-28 | 2008-10-16 | テン・ケイト・ティオロン・ビイ・ヴイ | Artificial grass system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1995874B1 (en) | 2007-05-17 | 2010-02-03 | Denso Corporation | A/D converter circuit and A/D conversion method |
-
1986
- 1986-09-02 JP JP20520386A patent/JPS6363802A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0263268A (en) * | 1988-08-30 | 1990-03-02 | Fujitsu Ltd | Method and apparatus for reducing picture |
| JP2008538229A (en) * | 2005-02-28 | 2008-10-16 | テン・ケイト・ティオロン・ビイ・ヴイ | Artificial grass system |
| JP4903726B2 (en) * | 2005-02-28 | 2012-03-28 | テン・ケイト・ティオロン・ビイ・ヴイ | Artificial grass system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0364644B2 (en) | 1991-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100557282B1 (en) | Synthetic grass with resilient granular top surface layer | |
| US8453377B2 (en) | Playing-field, soil treatment apparatus and method | |
| JP3253204B2 (en) | Athletic stadium made of artificial grass | |
| US4826350A (en) | Method for constructing water-permeable sports surface and the like | |
| JPS6363802A (en) | Sand-containing artificial turf ground | |
| JP2002294620A (en) | Artificial lawn structural body and artificial lawn ground | |
| JPH01131705A (en) | Artificial lawn ground | |
| EP3628647B1 (en) | Composition for building a dynamic layer of a sports flooring, sports flooring and method for providing a sports flooring | |
| JPH01131627A (en) | Ground of artificial lawn containing sands | |
| JP3549006B2 (en) | Oil sand, surface layer material containing the oil sand, and method of construction | |
| JPH026084Y2 (en) | ||
| JP3377437B2 (en) | Material for water-permeable elastic pavement, water-permeable elastic pavement, and laying board for water-permeable elastic pavement | |
| JPS63265002A (en) | Skin layer of play ground | |
| JPS5996306A (en) | Athletic field made of artificial turf | |
| JPH0774489B2 (en) | How to lay artificial grass with sand | |
| JPS5948505A (en) | Athletic field made of artificial turf | |
| JPS62280404A (en) | Construction of athletic field made of artificial turf | |
| JPS59213806A (en) | Paving material | |
| JPH03125704A (en) | Artificial lawn surfaced ground | |
| JPS58123902A (en) | Creation of ground such as athletic field | |
| JPH0730722Y2 (en) | Playground with artificial grass with sand | |
| JPS5996308A (en) | Athletic field made of artificial turf | |
| JP2781328B2 (en) | Construction method of artificial grass turf with sand | |
| JPS5996305A (en) | Athletic field made of artificial turf | |
| JPS6037302A (en) | Cushion body of pavement and production thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |