JP6810952B2 - Enforcement method of bag-type root hardening material using a bag for civil engineering work - Google Patents
Enforcement method of bag-type root hardening material using a bag for civil engineering work Download PDFInfo
- Publication number
- JP6810952B2 JP6810952B2 JP2016160287A JP2016160287A JP6810952B2 JP 6810952 B2 JP6810952 B2 JP 6810952B2 JP 2016160287 A JP2016160287 A JP 2016160287A JP 2016160287 A JP2016160287 A JP 2016160287A JP 6810952 B2 JP6810952 B2 JP 6810952B2
- Authority
- JP
- Japan
- Prior art keywords
- bag
- polyurethane resin
- bag body
- civil engineering
- engineering work
- 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.)
- Active
Links
- 239000000463 material Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 7
- 229920005749 polyurethane resin Polymers 0.000 claims description 37
- 239000000835 fiber Substances 0.000 claims description 31
- 229920003002 synthetic resin Polymers 0.000 claims description 18
- 239000000057 synthetic resin Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000009940 knitting Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Description
本発明は土木工事用袋体を用いた袋型根固め材の施行方法に関する。 The present invention relates to a method for implementing a bag-type root hardening material using a bag for civil engineering work.
土木工事においては、袋型根固め材が用いられることが多い。袋型根固め材は、ポリエステル樹脂などの合成樹脂製の繊維にて構成された網状体にて袋体が形成され、この袋体に玉石などの中詰め材が充填されて封止されたものである（特許文献１）。この袋型根固め材が、護岸土木工事の現場などに設置される。 In civil engineering work, bag-type root hardening material is often used. The bag-type root hardening material is a bag body formed of a net-like body composed of fibers made of synthetic resin such as polyester resin, and the bag body is filled with a filling material such as boulders and sealed. (Patent Document 1). This bag-shaped root hardening material is installed at the site of revetment civil engineering work.
しかし、たとえば川底などの現場に設置した後に、水流などの影響により袋体の内部で中詰め材が移動すると、それによって、袋体を形成する網状体に摩耗が生じやすいなどの問題点がある。 However, if the filling material moves inside the bag body due to the influence of water flow after installation at a site such as the riverbed, there is a problem that the net-like body forming the bag body is likely to be worn. ..
そこで本発明は袋体が摩耗しにくい袋型根固め材を得ることを目的とする。また本発明は、袋体が摩耗しにくい袋型根固め材を容易に施行できるようにすることを目的とする。 Therefore, an object of the present invention is to obtain a bag-type root hardening material in which the bag body is not easily worn. Another object of the present invention is to make it possible to easily apply a bag-type root hardening material in which the bag body is not easily worn.
本発明の袋型根固め材の施行方法は、
（イ）合成樹脂繊維にて構成された網状体にて形成された袋体の内部に、玉石などの中詰め材を充填することと、
（ロ）水分の付与により硬化させることができる硬質ポリウレタン樹脂を袋体に付与して、前記袋体の網状体を構成する合成樹脂繊維を硬質ポリウレタン樹脂にて被覆することと、
（ハ）前記袋体を土木工事の施工現場の水中に浸漬させることで、前記硬質ポリウレタン樹脂に水分を付与して硬化させることとを、
（イ）（ロ）（ハ）の順序と、（ロ）（イ）（ハ）の順序と、（ロ）（ハ）（イ）の順序とのいずれかで実行することを特徴とする。
The method for implementing the bag-type root hardening material of the present invention is as follows.
(B) Filling the inside of a bag formed of a net-like body made of synthetic resin fibers with a filling material such as boulders,
(B) A hard polyurethane resin that can be cured by adding water is applied to the bag body, and the synthetic resin fibers constituting the network of the bag body are coated with the hard polyurethane resin.
(C) By immersing the bag body in water at the construction site of civil engineering work, the rigid polyurethane resin is moisturized and cured.
It is characterized in that it is executed in any of the order of (a) (b) (c), the order of (b) (a) (c), and the order of (b) (c) (b).
本発明の他の袋型根固め材の施行方法は、合成樹脂繊維にて構成された網状体にて形成された袋体の内部に、玉石などの中詰め材を充填し、次に水分の付与により硬化させることができる硬質ポリウレタン樹脂を袋体および中詰め材に付与して、前記袋体の網状体を構成する合成樹脂繊維および中詰め材を硬質ポリウレタン樹脂にて被覆し、その後に前記袋体および中詰め材を土木工事の施工現場の水中に浸漬させることで、前記硬質ポリウレタン樹脂に水分を付与して硬化させることを特徴とする。 In another method of implementing the bag-type root-clamping material of the present invention, the inside of the bag formed of a net-like body composed of synthetic resin fibers is filled with a filling material such as a ball stone, and then the moisture content is reduced. A hard polyurethane resin that can be cured by application is applied to the bag body and the filling material, and the synthetic resin fibers and the filling material constituting the net-like body of the bag body are coated with the hard polyurethane resin, and then the above-mentioned By immersing the bag body and the filling material in water at the construction site of civil engineering work, the rigid polyurethane resin is imparted with water and cured.
本発明の袋型根固め材の施行方法によれば、袋体の網状体を構成する合成樹脂繊維に被覆された硬質ポリウレタン樹脂に水分を付与するだけで、この硬質ポリウレタン樹脂を硬化させることができ、このため袋型根固め材を容易に施行することができる。袋体に水分を付与するだけで硬質ポリウレタン樹脂を硬化させることができるため、海浜や河川などの水場の土木工事現場において袋型根固め材を容易に施行することができる。 According to the method for implementing the bag-type root hardening material of the present invention, the hard polyurethane resin can be cured simply by adding water to the hard polyurethane resin coated with the synthetic resin fibers constituting the network of the bag. Therefore, the bag-type root hardening material can be easily applied. Since the rigid polyurethane resin can be cured simply by adding water to the bag body, the bag-type root hardening material can be easily applied at a civil engineering work site of a water place such as a beach or a river.
図１は、本発明の実施の形態の袋型根固め材の施行方法に用いられる土木工事用袋体１を示す。この袋体１は、図示のようにネット体によって逆円錐形に形成されている。２はその上端開口である。上端開口２を形成する網状体の周縁には、ロープ状体などによって、周方向に間隔をおいた複数位置に吊り輪３が形成されている。 FIG. 1 shows a bag body 1 for civil engineering work used in a method for performing a bag-type root hardening material according to an embodiment of the present invention. As shown in the figure, the bag body 1 is formed in an inverted conical shape by a net body. 2 is the upper end opening. On the peripheral edge of the net-like body forming the upper end opening 2, suspension rings 3 are formed at a plurality of positions spaced apart in the circumferential direction by a rope-like body or the like.
土木工事用袋体１の使用時には、上端開口２から袋体１の内部に、図２に示す玉石や割り石やコンクリート塊などの中詰め材４を充填する。そして、そのうえで、吊り輪３を金属製のリング５に通してまとめることで、袋体１の上端開口２を閉じる。クレーンなどにてリング５を吊ることで、中詰め材４を充填して上端開口２が閉じられた状態の袋体１を現場に施工することができる。 When the bag body 1 for civil engineering work is used, the inside of the bag body 1 is filled from the upper end opening 2 with a filling material 4 such as a boulder, a crushed stone, or a concrete block shown in FIG. Then, the hanging ring 3 is passed through the metal ring 5 and put together to close the upper end opening 2 of the bag body 1. By suspending the ring 5 with a crane or the like, it is possible to construct the bag body 1 in a state where the filling material 4 is filled and the upper end opening 2 is closed.
袋体１を構成する網状体は、合成樹脂繊維にて構成されている。そして、この網状体を構成する合成樹脂繊維が、硬質ポリウレタン樹脂にて被覆されている。それによって、網状体の耐摩耗性を向上させることができる。 The net-like body constituting the bag body 1 is made of synthetic resin fibers. The synthetic resin fibers constituting this network are coated with a hard polyurethane resin. Thereby, the wear resistance of the reticulated body can be improved.
合成樹脂繊維は、本発明の袋体のような土木資材の用途のための適宜のものを使用することができる。たとえば、ポリエチレンテレフタレート繊維や、芯部に高粘度ポリエステル樹脂を配するとともに鞘部に低融点の結晶性ポリエステル樹脂を配した、高強力タイプの芯鞘複合繊維や、これらポリエチレンテレフタレート繊維と高強力タイプの芯鞘複合繊維とを混合させた繊維などを用いることができる。繊維の形態は、マルチフィラメントやモノフィラメントなどの任意のものとすることができる。繊維の繊度も用途に応じた任意のものとすることができる。 As the synthetic resin fiber, an appropriate one for the use of civil engineering materials such as the bag body of the present invention can be used. For example, polyethylene terephthalate fiber, high-strength type core-sheath composite fiber in which high-viscosity polyester resin is arranged in the core and crystalline polyester resin with low melting point in the sheath, and these polyethylene terephthalate fibers and high-strength type. A fiber or the like mixed with the core-sheath composite fiber of the above can be used. The fiber morphology can be arbitrary, such as multifilament or monofilament. The fineness of the fiber can also be arbitrary depending on the application.
上述の繊維をたとえばラッセル編みすることによって、適宜の目明きの所要の網状体とすることができる。 By, for example, Russell knitting the above-mentioned fibers, a required net-like body having an appropriate mesh size can be obtained.
網状体を構成する合成樹脂繊維を被覆する硬質ポリウレタン樹脂は、水分の存在下で硬化するものであることが必要である。水分の存在下で硬化するポリウレタン樹脂であることにより、土木工事の施工現場で網状体に容易に塗布し水分の付与により硬化させることができる。あるいは、あらかじめ合成樹脂繊維に塗布され乾燥されてこの合成樹脂繊維を被覆しているポリウレタン樹脂を、土木工事の施工現場で容易に硬化させることもできる。さらにポリウレタン樹脂を硬化させた後の袋体１に中詰め材４を充填することもできる。 The rigid polyurethane resin that coats the synthetic resin fibers that make up the reticulated body needs to be cured in the presence of moisture. Since it is a polyurethane resin that cures in the presence of moisture, it can be easily applied to a net-like body at a construction site of civil engineering work and cured by adding moisture. Alternatively, the polyurethane resin that has been previously applied to the synthetic resin fiber and dried to coat the synthetic resin fiber can be easily cured at the construction site of civil engineering work. Further, the bag body 1 after the polyurethane resin is cured can be filled with the filling material 4.
たとえば、施工現場で袋体１に中詰め材４を充填し、その後にポリウレタン樹脂の塗布加工を施し、適当に乾燥させた後に河川などの水中に浸漬させることで、一気に硬化させることができる。これによって、袋体１における網状体を構成する合成樹脂繊維が硬質ポリウレタン樹脂により被覆されることになるため、袋体１の耐摩耗性を向上させることができる。 For example, the bag body 1 can be filled with the filling material 4 at the construction site, then coated with a polyurethane resin, appropriately dried, and then immersed in water such as a river to be cured at once. As a result, the synthetic resin fibers constituting the net-like body in the bag body 1 are covered with the hard polyurethane resin, so that the wear resistance of the bag body 1 can be improved.
あるいは、ポリウレタン樹脂を被覆しておいた袋体１に中詰め材４を充填し、その後にポリウレタン樹脂に水分を付与して硬化させてもよい。さらにポリウレタン樹脂による被覆と同樹脂の硬化とを終えた袋体１に中詰め材４を充填することもできる。 Alternatively, the bag body 1 coated with the polyurethane resin may be filled with the filling material 4, and then the polyurethane resin may be moistened and cured. Further, the filling material 4 can be filled in the bag body 1 which has been coated with the polyurethane resin and cured of the resin.
ポリウレタン樹脂加工は、網状体のみに施すこともできるし、網状体に限らず、その内部に充填された中詰め材４にも施すことができる。中詰め材４にもポリウレタン樹脂を被覆させることで、多数の中詰め材４同士が相互に固定されることになる。これによって袋体１の内部で中詰め材４が動くことが防止されるため、網状体の耐摩耗性をさらに向上させることができる。 The polyurethane resin processing can be applied only to the reticulated body, and can be applied not only to the reticulated body but also to the filling material 4 filled therein. By coating the filling material 4 with the polyurethane resin, a large number of the filling materials 4 are fixed to each other. As a result, the filling material 4 is prevented from moving inside the bag body 1, so that the wear resistance of the net-like body can be further improved.
ポリウレタン樹脂の塗布量は、ポリウレタン樹脂の乾燥後の質量が、合成樹脂繊維の質量の１０〜３０％となるような量であることが好ましい。塗布すべきポリウレタン樹脂は、水系と溶剤系とのうちの任意のものを使用することができる。 The amount of the polyurethane resin applied is preferably such that the mass of the polyurethane resin after drying is 10 to 30% of the mass of the synthetic resin fibers. As the polyurethane resin to be applied, any of water-based and solvent-based can be used.
ポリエチレンテレフタレート繊維にて構成されたマルチフィラメント（１６７０デシテックス、１９２フィラメント）を用い、ラッセル編機で編構成が１０本格になるように網状の編地を作製することで、目合い２５ｍｍの網状体を得た。この網状体を図１に示すように加工することで、本発明の実施例の土木工事用袋体を構成するための繊維状の袋状構造体を得た。 Using a multifilament (1670 decitex, 192 filaments) composed of polyethylene terephthalate fibers, a net-like knitted fabric with a mesh size of 25 mm is produced by using a Russell knitting machine so that the knitting structure becomes 10 full-scale. Obtained. By processing this net-like body as shown in FIG. 1, a fibrous bag-like structure for forming the bag body for civil engineering work according to the embodiment of the present invention was obtained.
この袋状構造体に中詰め材を充填せずに、以下のようにしてポリウレタン樹脂加工を施した。 The bag-shaped structure was processed with a polyurethane resin as follows without filling the filling material.
実施例１ Example 1
ポリウレタン樹脂として、水系樹脂を用いた。詳細には、大田化研社製の品番「ＮＹＬＯＦＩＸ ＡＧ−８」を用い、これに同社製の硬化剤８質量％を添加したものを使用した。そして、網状体の質量に対して乾燥後の質量が１６％となるように塗布し、乾燥させた後に水中に約３分間浸漬させることにより水分を付与して硬化させることで、網状体を構成する繊維を硬質ポリウレタン樹脂にて被覆した。 An aqueous resin was used as the polyurethane resin. In detail, the product number "NYLOFIX AG-8" manufactured by Daejeon Kaken Co., Ltd. was used, and 8% by mass of the curing agent manufactured by the same company was added thereto. Then, the reticulated body is formed by applying it so that the mass after drying is 16% of the mass of the reticulated body, drying it, and then immersing it in water for about 3 minutes to add moisture and hardening it. The fibers to be used were coated with a rigid polyurethane resin.
実施例２ Example 2
ポリウレタン樹脂として、溶剤系樹脂を用いた。詳細には、大田化研社製の品番「ＮＹＬＯＦＩＸ Ｋ−３Ｅ」を使用した。そして、網状体の質量に対して乾燥後の質量が２０％となるように塗布し、乾燥させた後に水中に約３分間浸漬させることにより水分を付与して硬化させることで、網状体を構成する繊維を硬質ポリウレタン樹脂にて被覆した。 A solvent-based resin was used as the polyurethane resin. For details, the product number "NYLOFIX K-3E" manufactured by Daejeon Kaken Co., Ltd. was used. Then, the reticulated body is formed by applying it so that the mass after drying is 20% of the mass of the reticulated body, drying it, and then immersing it in water for about 3 minutes to add moisture and hardening it. The fibers to be used were coated with a rigid polyurethane resin.
比較例
上述の袋状構造体にポリウレタン樹脂加工を施さないものとした。
Comparative Example The bag-shaped structure described above was not processed with polyurethane resin.
実施例１、２および比較例のものを供試体として、ボールミル耐摩耗性試験を実施した。この耐摩耗性試験は、水平方向に配置された内径３０ｃｍの円筒ドラム状の回転式の試験装置の内周面に沿って供試体を配置し、試験装置の内部に直径５ｃｍ、質量約２５５ｇのアルミナボールを複数個投入し、さらにドラム容積に対して２０分の１に相当する量の水道水を投入し、試験装置を回転速度３２ｒｐｍで３４時間運転した。運転終了後に供試体を試験装置から取り出して、その外観を目視にて観察した。 A ball mill wear resistance test was carried out using the samples of Examples 1 and 2 and Comparative Examples. In this wear resistance test, a specimen is placed along the inner peripheral surface of a cylindrical drum-shaped rotary test device having an inner diameter of 30 cm arranged in the horizontal direction, and the inside of the test device has a diameter of 5 cm and a mass of about 255 g. A plurality of alumina balls were charged, and tap water in an amount corresponding to 1/20 of the volume of the drum was charged, and the test apparatus was operated at a rotation speed of 32 rpm for 34 hours. After the operation was completed, the specimen was taken out from the test device and its appearance was visually observed.
その結果、比較例のものは、図３に示すように供試体が激しく摩耗しており、場所によっては網状体を構成する繊維が擦り切れる寸前まで摩耗していた。 As a result, in the comparative example, as shown in FIG. 3, the specimen was severely worn, and in some places, the fibers constituting the reticulated body were worn to the point of being worn out.
これに対し、図４に示す実施例１のものと、図５に示す実施例２のものは、網状体を構成する繊維の表面がわずかに摩耗しただけであり、比較例のものに比べて格段の耐摩耗性を示した。 On the other hand, in the case of Example 1 shown in FIG. 4 and the case of Example 2 shown in FIG. 5, the surfaces of the fibers constituting the reticulated body were only slightly worn, and compared with those of Comparative Example. It showed outstanding wear resistance.
別の耐摩耗性試験として、学振形摩耗試験機（摩擦試験機II形）を用いて、サンドペーパー（ＣＣ−１００）を摩擦用布として使用し、摩擦試験を行って、強度保持率測定試験を行った。試験条件は、ＪＩＳ Ｌ ０８４９に準じ、毎分３０回往復の速度とし、８００回往復摩耗させた。摩耗試験前の引張強度と、摩耗試験後の引張強度とを測定し、それらの結果から強度保持率を計算した。なお、引張強度測定にあたっては、ＪＩＳ Ａ ８９６０に準じ、試料を１本２節の状態として定速伸長型引張試験機を用いて測定した。 As another wear resistance test, a Gakushin type wear tester (friction tester type II) is used, sandpaper (CC-100) is used as a friction cloth, and a friction test is performed to measure the strength retention rate. The test was conducted. The test conditions were set to a reciprocating speed of 30 times per minute according to JIS L 0849, and the wear was performed 800 times. The tensile strength before the wear test and the tensile strength after the wear test were measured, and the strength retention rate was calculated from the results. In the tensile strength measurement, according to JIS A 8960, the sample was measured in a state of one section and two sections using a constant speed extension type tensile tester.
測定結果を表１に示す。 The measurement results are shown in Table 1.
表１に示すように、実施例１および２は、比較例に比べて強度保持率が高いものであった。 As shown in Table 1, Examples 1 and 2 had a higher strength retention rate than Comparative Examples.
Claims (2)
（ロ）水分の付与により硬化させることができる硬質ポリウレタン樹脂を袋体に付与して、前記袋体の網状体を構成する合成樹脂繊維を硬質ポリウレタン樹脂にて被覆することと、
（ハ）前記袋体を土木工事の施工現場の水中に浸漬させることで、前記硬質ポリウレタン樹脂に水分を付与して硬化させることとを、
（イ）（ロ）（ハ）の順序と、（ロ）（イ）（ハ）の順序と、（ロ）（ハ）（イ）の順序とのいずれかで実行することを特徴とする袋型根固め材の施行方法。 (B) Filling the inside of a bag formed of a net-like body made of synthetic resin fibers with a filling material such as boulders,
(B) A hard polyurethane resin that can be cured by adding water is applied to the bag body, and the synthetic resin fibers constituting the network of the bag body are coated with the hard polyurethane resin.
(C) By immersing the bag body in water at the construction site of civil engineering work, the rigid polyurethane resin is moisturized and cured.
A bag characterized in that it is executed in any of the order of (a) (b) (c), the order of (b) (a) (c), and the order of (b) (c) (b). How to apply the mold root hardening material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016160287A JP6810952B2 (en) | 2016-08-18 | 2016-08-18 | Enforcement method of bag-type root hardening material using a bag for civil engineering work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016160287A JP6810952B2 (en) | 2016-08-18 | 2016-08-18 | Enforcement method of bag-type root hardening material using a bag for civil engineering work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018028203A JP2018028203A (en) | 2018-02-22 |
| JP6810952B2 true JP6810952B2 (en) | 2021-01-13 |
Family
ID=61247813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016160287A Active JP6810952B2 (en) | 2016-08-18 | 2016-08-18 | Enforcement method of bag-type root hardening material using a bag for civil engineering work |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6810952B2 (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52157208U (en) * | 1976-05-24 | 1977-11-29 | ||
| JPS5498006U (en) * | 1977-12-22 | 1979-07-11 | ||
| JPS583111B2 (en) * | 1979-11-02 | 1983-01-19 | 日本電信電話株式会社 | How to repair water leakage in concrete structures |
| JPS625833A (en) * | 1985-06-14 | 1987-01-12 | Chugoku Toryo Kk | Forming process of coating layer |
| DE3726268A1 (en) * | 1987-06-24 | 1989-01-05 | Bayer Ag | TEXTILE AREA WITH REACTIVE RESIN |
| EP0647739A1 (en) * | 1989-04-07 | 1995-04-12 | Hesco Bastion Limited | Improvements relating to cage structures for building and shoring blocks |
| GB2418948B (en) * | 2004-10-08 | 2009-01-07 | Andrew Mountain | Method of scour protection using fabric formwork to resemble rock armour protection |
| JP5435325B2 (en) * | 2008-08-04 | 2014-03-05 | 東急建設株式会社 | Reinforcing sheet winding device and method for reinforcing concrete structure |
| JP2010203114A (en) * | 2009-03-03 | 2010-09-16 | Railway Technical Res Inst | Soil retaining construction method using large-sized sandbag and restraining pile together and soil retaining structure by the method |
| KR101174102B1 (en) * | 2012-03-16 | 2012-08-16 | 주식회사 시내 & 들 | Fiber-stone, and apparatus and method of manufacturing the same |
| JP6057325B2 (en) * | 2012-11-13 | 2017-01-11 | ライト工業株式会社 | Repair structure and repair method for existing waterways |
| JP2015209746A (en) * | 2014-04-30 | 2015-11-24 | 前田工繊株式会社 | Bag body for civil engineering, and method of manufacturing the same |
-
2016
- 2016-08-18 JP JP2016160287A patent/JP6810952B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018028203A (en) | 2018-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Schneider et al. | Mineral-impregnated carbon fibre reinforcement for high temperature resistance of thin-walled concrete structures | |
| Subramani et al. | Development of novel auxetic structures based on braided composites | |
| Dvorkin et al. | Effect of reinforcement with carbon fabrics impregnated with nanoparticles on the tensile behavior of cement-based composites | |
| Tong et al. | Effects of vascular fiber content on abrasive wear of bamboo | |
| Jaishankar et al. | Characteristics of cement concrete with nano alumina particles | |
| Jia et al. | Preparation of helical fibers from cellulose–cuprammonium solution based on liquid rope coiling | |
| JP6810952B2 (en) | Enforcement method of bag-type root hardening material using a bag for civil engineering work | |
| CN106687254A (en) | Polymer impregnated backing material, abrasive articles incorporating same, and processes of making and using | |
| Khan et al. | Abrasive wear behavior of chemically treated coir fibre filled epoxy polymer composites | |
| Dopko | Fiber reinforced concrete: Tailoring composite properties with discrete fibers | |
| Horszczaruk | Abrasion resistance of high-performance hydraulic concrete with polypropylene fibers | |
| Zeghichi et al. | The effect of the kind of sands and additions on the mechanical behaviour of SCC | |
| Kothandaraman et al. | The effect of controlled permeable formwork (CPF) liner on the surface quality of concretes | |
| JP2012056780A (en) | Short fiber for reinforcing cementitious formed product, and cementitious formed product added with the same | |
| Kumar et al. | Suitability of concrete reinforced with synthetic fiber for the construction of pavements | |
| Lior et al. | Tensile behavior of fabric-cement-based composites reinforced with non-continuous load bearing yarns | |
| Aljewifi et al. | Pull-out behaviour of a glass multi-filaments yarn embedded in a cementitious matrix | |
| Rudraswamy et al. | An experimental investigation on the effect of alternate wetting and drying on the properties of concrete produced by red mud | |
| Formisano et al. | Experimentation on lime mortars reinforced with jute fibres: Mixture workability and mechanical strengths | |
| Patel et al. | Effect of PU and PVC coating on different fabrics for technical textile application | |
| RU2601502C2 (en) | Method of testing material for abrasive wear | |
| AT508898B1 (en) | SUPPLEMENT FOR THE PRODUCTION OF BUILDING MATERIALS | |
| Jain et al. | Use of polypropylene fiber reinforced concrete as a construction material for rigid pavements | |
| Sumarsono et al. | Microstructure and physical properties of combined plastic-cementitious artificial aggregate | |
| Díaz-Ramírez et al. | Correlation between cross sectional area and torsion degree of fique yarns by image analysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190710 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200414 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200423 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200615 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20201110 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201207 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6810952 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |