JPS63151712A - Ground fortifier - Google Patents
Ground fortifierInfo
- Publication number
- JPS63151712A JPS63151712A JP29773186A JP29773186A JPS63151712A JP S63151712 A JPS63151712 A JP S63151712A JP 29773186 A JP29773186 A JP 29773186A JP 29773186 A JP29773186 A JP 29773186A JP S63151712 A JPS63151712 A JP S63151712A
- Authority
- JP
- Japan
- Prior art keywords
- ground
- net
- impregnated
- hardened
- resin
- 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
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 17
- 239000008187 granular material Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 11
- 239000002657 fibrous material Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 abstract 2
- 239000002689 soil Substances 0.000 description 12
- 239000004927 clay Substances 0.000 description 4
- 229910052570 clay Inorganic materials 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007586 pull-out test Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は地盤強化全目的とした土中敷設の強化材に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a reinforcing material laid underground for the purpose of strengthening the ground.
（従来の技術）
地盤強壮材として不織布シートや織布シートなどの繊維
シートが用いられてい九が、敷設面で土の漕力現象が起
こり烏＜、最近は、実開昭５３−６２７０２号公報の工
うに合成樹１１！饗のネットが用いられている。(Prior art) Fiber sheets such as non-woven fabric sheets and woven fabric sheets are used as soil strengthening materials, but a phenomenon of rowing force of the soil occurs on the laying surface. Art sea urchin synthetic tree 11! A net is used.
（発明が解決し＝５とする問題点）
しかし、この合成３４脂嘗のネットは、例えば特開昭５
９−９５５５２号公報に示されている工うに、延伸し強
度のあるネットとするなどの徊造工１の制約に１り問題
がルくない。さらに非網目部１！一部分的に設は補強し
たネットーーも、地盤の不等沈下が充分には防止できず
、かつ、ネットの表面は一般に平滑である次めに土中で
の剪断抵抗性も劣るものであり次。(Problems solved by the invention = 5) However, this synthetic 34-fatty net is, for example,
The construction shown in Japanese Patent Publication No. 9-95552 does not have any problems with the limitations of the hanging construction 1, such as the need to stretch the net to make it strong. Furthermore, non-mesh part 1! Even partially reinforced nets cannot sufficiently prevent uneven ground settlement, and the surface of the net is generally smooth and has poor shear resistance in the soil.
（問題点を解決するための手段）
これらの欠点をなくした＠強材を開発すべく、鋭意研究
し本結果、合成樹脂を含浸硬イ、せしめｍ繊維素材から
なり、該表面に粒状体による多数の凸Ｓｔ−有するネッ
ト状物が地盤強化材として優ね穴ものであるこ、′：を
発見し、本発明で完成しｍ０即ち、本発明は、硬化性樹
１１＆ ’に含浸強化せしめ皮繊維素材ｐ為らなシ、該
表面に粒状体・にぶる多数の凸部を有するネット状地盤
強化材である。(Means for solving the problem) In order to develop a strong material that eliminates these drawbacks, we conducted intensive research and found that it is made of hard fiber material impregnated with synthetic resin, and the surface is coated with granules. The present invention has discovered that a net-like material having a large number of convex holes is effective as a ground reinforcement material, and has completed the present invention. It is a net-like ground reinforcement material that is made of material P and has a large number of convex parts covered with granules on its surface.
ここでネット状とは第１図、第２図に示す工うに、硬化
性樹脂上含浸硬化せしめ几繊維素材からなり、該表面に
粒状体による多数の凸部ｔ−有するストランド１が骨格
となって一体的に゛ネット全形成しているものである。Here, the term "net-like" refers to the structure shown in Figs. 1 and 2, which is made of a hardened fiber material impregnated with a curable resin, and the strands 1 having a large number of convex portions made of granules on the surface form a skeleton. The entire net is formed in one piece.
ま友、繊維素材はロープ状、テープ状、もしくは帯状に
さｔているものが好ましく、この１うな形状とするため
には、長繊維會引揃えに束（以下°ローーングという）
を何本か引揃えｔもの、ヤーンクロスのテープ、ロービ
ングクロスＤテーゾ、チョツプドストランドマットをテ
ープ状にカットしｔもの、ロービングクロスとチョツプ
ドストランドマットと貼合せ、もしくはニードルパンチ
ｙグし、−休作し穴もの金テープ状−１ｍは帯状にカッ
トしｔもの、さらには、チョツプドストランドマットと
一方向に配列し次ローリングクロスを貼合セ、ま九社ニ
ードルパンチングし、もしくは緯線することに↓つで一
体化し次ものをテープ状、あるいは帯状にカットするこ
とに工り得ることができる。It is preferable that the fiber material is in the form of a rope, tape, or band.In order to obtain this shape, the long fibers are bundled in the same alignment (hereinafter referred to as "rowing").
Gather several strands together, cut yarn cloth tape, roving cloth D Tezo, chopped strand mat into a tape shape, paste roving cloth and chopped strand mat together, or use needle punch Y-glue. Then, I cut the 1m long perforated gold tape into strips, arranged them in one direction with chopped strand mats, then pasted them with rolling cloth, and then needle punched them. Alternatively, it is possible to combine the parallel lines with ↓ and cut the next one into a tape or band shape.
そして、この繊維素材としては、引張強度、引張弾性率
等の強度特性の高い、がラス繊維、炭素繊維、芳香族ポ
リアミドなどが特に好ましい。As the fiber material, particularly preferred are lath fibers, carbon fibers, aromatic polyamides, etc., which have high strength properties such as tensile strength and tensile modulus.
ま几、これに含浸させる硬化性樹脂としては、特に制約
杜ないが、一般的には、エボ卑シ樹脂、不飽和ポリエス
テル樹脂、♂ニールエステル樹脂、エポキシアクリレー
ト樹脂及びフェノール樹脂などが曲げ特性に優９ている
ので好ましい。There are no particular restrictions on the curable resin to be impregnated with this, but in general, evo base resin, unsaturated polyester resin, male neel ester resin, epoxy acrylate resin, phenol resin, etc. have good bending properties. It is preferable because it has a grade of 9.
さらに、ネットを物表面に多俄の凸部を設けるための粒
状体としては、周辺地盤と同程度以上の強度があり、０
．２〜５龍糧度の粒径のものであり、かつ硬化性樹脂と
の接７ｉＩＩ性に問題がｉければ特に材質、形状につい
ての限定はされないが、コスト入手のし謁さ等の面から
砂、し中粒が好ましい。Furthermore, the granular material used to create many convex portions on the surface of the object has a strength equal to or higher than that of the surrounding ground, and has a zero
．． If the particle size is 2 to 5 grains and there is a problem in contact with the curable resin, there are no particular limitations on the material or shape, but from the viewpoint of cost availability, etc. Sand and medium grains are preferred.
本発明のネット状物とするには、例えば、繊維素材ｋ・
ネット状に並べてで−ら、硬イビ性樹脂を含浸させ、そ
の後、貰表面に多数の粒状体を付着させても工く、ある
いは予め粒状体を混入し友硬化性樹脂を含浸させてもよ
く、まｆｃ、硬化性樹脂を含浸させ次繊維素材？ネット
状に並べた後、粒状体を付着させても工く、さらには予
め粒状体ｔＳ人し次硬化性樹ａＩ管含浸させ皮繊維素材
をネット状に並べてから硬化させても工い。In order to make the net-like material of the present invention, for example, the fiber material k.
It can be arranged in a net shape, impregnated with a hard curing resin, and then a large number of granules can be attached to the surface of the sheet, or the granules can be mixed in advance and impregnated with a thermosetting resin. , Mafc, next fiber material impregnated with curable resin? After arranging them in a net shape, the granules can be attached, or furthermore, the granules can be pre-impregnated with a sub-hardening resin pipe, and the leather fiber material can be arranged in a net shape and then hardened.
ま次、ネットの形状は第１図の工うなネットであっても
、第２図の工うなネットでも、また、図示しない形のネ
ットでも工い。を次、ネットの格子断面は円形、長円形
、半円形、矩形などいかなる形状でも二い。Next, the shape of the net can be the one shown in Figure 1, the one shown in Figure 2, or a net with a shape not shown. Next, the grid cross section of the net can be of any shape, such as circular, oval, semicircular, or rectangular.
ｆ ’ｆｅ 、ネット状物における繊維の占める割合は
３０〜６５重量％であることが好ましく、残余は硬化性
樹脂と粒状体で占められ、この合成樹脂中に炭酸カルシ
ウム、クレー、タルク、石こう、硫酸バリウム、アルミ
ナなどのフィラー金充填して、剛性を高めても工い。f'fe, it is preferable that the proportion of fibers in the net-like material is 30 to 65% by weight, and the remainder is occupied by hardening resin and granules, and this synthetic resin contains calcium carbonate, clay, talc, gypsum, It can also be filled with filler gold such as barium sulfate or alumina to increase rigidity.
本発明の地盤強化材は、地盤の不等沈下防止や地盤の支
持力向上、盛土補強などのまめに、例えば、概略水平に
間隔上おいて多段に敷設して使用される。The ground reinforcing material of the present invention is used, for example, by laying it approximately horizontally in multiple stages at intervals, for example, to prevent uneven subsidence of the ground, improve the bearing capacity of the ground, and reinforce embankments.
＜＊施例）
ガラス長繊維を引ｊ前え友ロービングに不飽和ポリエス
テル樹１１！’を含浸させて正方形格子のネット状に並
べてから、表面に粒径２〜３關の・砂し中粒を付着させ
て、地盤強化材とじｍ０
比較例として、実開昭５５−６２７０２号公報に示され
ｍネット状地盤強化材全ポリエチレンで作った。<*Example) Unsaturated polyester tree 11 in roving with long glass fibers! ' is impregnated and arranged in a square lattice net shape, and then sand particles with a particle size of 2 to 3 degrees are attached to the surface, and the ground reinforcement material is bound m0. The net-like soil reinforcement shown in Figure 1 is made entirely of polyethylene.
これら２枚の地盤強化材を第６（Ａ）図に示すように、
小屋剪断筒中の粘土地盤中に敷設し、０．５に＃ｆ／ｍ
２の抱吏圧力をかけた状態で、ネットの引抜き試験を行
なった。As shown in Figure 6(A), these two soil reinforcement materials are
Laid in clay ground in shed shear tube, #f/m to 0.5
A pull-out test of the net was conducted with the hugging pressure of 2 applied.
その引抜き試験の結果ｔ−第３（Ｂ）図に示す。The results of the pull-out test are shown in FIG. 3(B).
また、これら２枚の地盤強化材を第４（Ａ）図に示すよ
うに、人工ピット中のモデル的粘土地盤中に一層敷設し
、鉛直載荷試験を行なつ九。In addition, as shown in Figure 4(A), these two soil reinforcement materials were laid in a layer in a model clay ground in an artificial pit, and a vertical loading test was conducted.9.
その載荷試験結果を第４（Ｂ）図に示す。The loading test results are shown in FIG. 4(B).
本発明による地盤強化材は、比較例に比べて明らかに優
れた土中引抜＠砥抗性と地盤支持力の向上特性を有して
・い友。The soil reinforcement material according to the present invention has clearly superior soil pull-out resistance and improved soil bearing capacity compared to comparative examples.
（発明の効果）
本発明による地盤強化材上対象とする地盤に敷設する仁
と（より、
（１） 敷設面に沿った剪断力が作用しても、水平変
位量の小さな、剪断抵に！の大なる複合地盤が得られる
。(Effects of the Invention) When the soil reinforcement material of the present invention is laid on the target ground, (1) Even if a shear force is applied along the installation surface, the shear resistance is small and the horizontal displacement is small! A large composite ground can be obtained.
伐） 敷設面に概略鉛直方向の力が作用しても、沈下（
変形）量の小さな、剛性の大なる複合地盤が得られる。Even if a roughly vertical force is applied to the installation surface, it will not sink (
A composite ground with high rigidity and small amount of deformation can be obtained.
（３）優れ九応力分散効果により不等沈下が殆んど発生
しない複合地盤が得られる。(3) Due to the excellent stress dispersion effect, a composite ground in which uneven settlement hardly occurs can be obtained.
（４） 補強材の強度は十分であり、破壊に対して信
頼性の高い複合地盤が得られる。(4) The strength of the reinforcing material is sufficient, and a composite ground with high reliability against failure can be obtained.
（５） また敷設に際しても地面への密着性が良好で
ある。(5) It also has good adhesion to the ground during installation.
第１図、第２図は本発明による地盤強化材の一例を示す
。第６囚図は引抜き試験の概略図、第６（Ｂ１図はその
試験結果であり、第４（Ａ）図は鉛直載荷試練の概略図
、第４（Ｂ１図はその試験結果である。
また、第５図、第６図は本発明による地盤強化材のスト
ランド１１？面の一例を示す。
１は硬化性樹脂ｒｔ浸硬化せしめた繊維素材からなり該
表面に粒状体による多数の凸部ｔＷするストランド、２
は地盤強化材、３は剪断箱、４は粘土、５は人工ピット
、６はフーチング、７は粒状体、８は硬化性樹脂をｔ？
５！硬化せしめｆｌ、ｌｊＸ維素材、９は硬化性樹脂を
示す。
特許出願人 旭仕成工業株式会社
第１ＴＩ！Ｊ
第２面
第３図
第４ｒ！１
食位Ｓ２FIGS. 1 and 2 show an example of the ground reinforcement material according to the present invention. Figure 6 is a schematic diagram of the pull-out test, Figure 6 (B1) is the test result, Figure 4 (A) is a schematic diagram of the vertical loading test, and Figure 4 (B1 is the test result. , 5 and 6 show an example of the surface of the strand 11 of the soil reinforcing material according to the present invention. 1 is made of a fibrous material soaked in a curable resin rt and has many convex portions tW made of granules on its surface. Strand, 2
is the soil reinforcement material, 3 is the shear box, 4 is the clay, 5 is the artificial pit, 6 is the footing, 7 is the granular material, and 8 is the hardening resin.
5! Cured fl, ljX fiber material, 9 indicates curable resin. Patent applicant Asahi Seisei Kogyo Co., Ltd. 1TI! J Page 2, Figure 3, 4r! 1 food level S2
Claims (1)
に粒状体による多数の凸部を有することを特徴とする地
盤強化材A ground reinforcement material made of a fiber material impregnated with a hardening resin and having a large number of convex portions made of granules on its surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29773186A JPS63151712A (en) | 1986-12-16 | 1986-12-16 | Ground fortifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29773186A JPS63151712A (en) | 1986-12-16 | 1986-12-16 | Ground fortifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63151712A true JPS63151712A (en) | 1988-06-24 |
Family
ID=17850445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29773186A Pending JPS63151712A (en) | 1986-12-16 | 1986-12-16 | Ground fortifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63151712A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04336109A (en) * | 1991-05-10 | 1992-11-24 | Koyo Sangyo Kk | Permeable sheet for civil work |
| US6296924B1 (en) | 1995-11-01 | 2001-10-02 | Reynolds Consumer Products, Inc. | System perforated cell confinement |
| JP2008017780A (en) * | 2006-07-13 | 2008-01-31 | Arimitsu Industry Co Ltd | Structure for attaching antiseptic solution tank |
| US7544010B2 (en) | 2007-01-24 | 2009-06-09 | Reynolds Consumer Products, Inc. | Portable porous pavement system and methods |
| US7896306B2 (en) | 2007-01-24 | 2011-03-01 | Reynolds Consumer Products, Inc. | Clamp device for portable porous pavement system |
| US8092122B2 (en) | 2008-11-10 | 2012-01-10 | Reynolds Consumer Products, Inc. | Connection device for fastening expanded cell confinement structures and methods for doing the same |
| USD994445S1 (en) | 2021-06-30 | 2023-08-08 | Reynolds Presto Products Inc. | Connector for expanded cell confinement web with curved handle |
| USD1000262S1 (en) | 2021-06-30 | 2023-10-03 | Reynolds Presto Products Inc. | Connector device for expanded cell confinement web |
| USD1000263S1 (en) | 2021-06-30 | 2023-10-03 | Reynolds Presto Products Inc. | Connector for expanded cell confinement web with polygon handle |
| US11885091B2 (en) | 2021-06-30 | 2024-01-30 | Reynolds Presto Products Inc. | Connection device for fastening expanded cell confinement structures and methods for doing the same |
-
1986
- 1986-12-16 JP JP29773186A patent/JPS63151712A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04336109A (en) * | 1991-05-10 | 1992-11-24 | Koyo Sangyo Kk | Permeable sheet for civil work |
| US6296924B1 (en) | 1995-11-01 | 2001-10-02 | Reynolds Consumer Products, Inc. | System perforated cell confinement |
| US6395372B1 (en) | 1995-11-01 | 2002-05-28 | Reynolds Consumer Products, Inc. | Cell confinement structure |
| JP2008017780A (en) * | 2006-07-13 | 2008-01-31 | Arimitsu Industry Co Ltd | Structure for attaching antiseptic solution tank |
| US7544010B2 (en) | 2007-01-24 | 2009-06-09 | Reynolds Consumer Products, Inc. | Portable porous pavement system and methods |
| US7896306B2 (en) | 2007-01-24 | 2011-03-01 | Reynolds Consumer Products, Inc. | Clamp device for portable porous pavement system |
| US8092122B2 (en) | 2008-11-10 | 2012-01-10 | Reynolds Consumer Products, Inc. | Connection device for fastening expanded cell confinement structures and methods for doing the same |
| US8459903B2 (en) | 2008-11-10 | 2013-06-11 | Reynolds Presto Products Inc. | Connection device for fastening expanded cell confinement structures and methods for doing the same |
| USD994445S1 (en) | 2021-06-30 | 2023-08-08 | Reynolds Presto Products Inc. | Connector for expanded cell confinement web with curved handle |
| USD1000262S1 (en) | 2021-06-30 | 2023-10-03 | Reynolds Presto Products Inc. | Connector device for expanded cell confinement web |
| USD1000263S1 (en) | 2021-06-30 | 2023-10-03 | Reynolds Presto Products Inc. | Connector for expanded cell confinement web with polygon handle |
| US11885091B2 (en) | 2021-06-30 | 2024-01-30 | Reynolds Presto Products Inc. | Connection device for fastening expanded cell confinement structures and methods for doing the same |
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