JPH0449608B2 - - Google Patents
Info
- Publication number
- JPH0449608B2 JPH0449608B2 JP60047555A JP4755585A JPH0449608B2 JP H0449608 B2 JPH0449608 B2 JP H0449608B2 JP 60047555 A JP60047555 A JP 60047555A JP 4755585 A JP4755585 A JP 4755585A JP H0449608 B2 JPH0449608 B2 JP H0449608B2
- Authority
- JP
- Japan
- Prior art keywords
- slope
- embankment
- work
- net
- sheet
- 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
- 238000000034 method Methods 0.000 claims description 15
- 239000012779 reinforcing material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- -1 ethylene, propylene, 1-butene Chemical class 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- 235000004347 Perilla Nutrition 0.000 description 1
- 244000124853 Perilla frutescens Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-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
- 238000005452 bending Methods 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は盛土の斜面安定化工法に関し、更に詳
しくは盛土ののり面部分の補強性が優れ急勾配で
高い盛土が可能であり、施工性、経済性等に優れ
た盛土の斜面安定化工法に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for stabilizing the slope of an embankment, and more specifically, the present invention relates to a method for stabilizing the slope of an embankment. , concerning an embankment slope stabilization method that is highly economical.
盛土の中に補強材を埋設して土粒子相互間及び
土粒子補強材表面との摩擦力で盛土を安定化する
工法は、擁壁によつて垂直盛土の土圧を保持安定
化する工法に比べて高い盛土が可能であり、また
比較的軟い地盤でも施工可能であるという特徴を
有している。
The method of embedding reinforcing material in the embankment and stabilizing the embankment through friction between soil particles and the surface of the reinforcing material is a method that uses retaining walls to maintain and stabilize the earth pressure of vertical embankments. It has the characteristics that it is possible to build a higher embankment compared to the others, and it can also be constructed on relatively soft ground.
従来のこのような工法の具体例は、たとえば特
公昭44−25174号公報に見られるように、補強材
を盛土中に埋設しのり面にはフレキシブルな金属
板等をスキン層として作る工法がある。しかし、
この工法において用いられる補強材は鉄筋やプラ
スチツク板等の非透水性材料のため、その周辺に
水がたまり易く、補強材周辺から土の強度が低下
するという欠点がある。したがつて、施工対象の
土質はそれ自体透水性能のある砂質土等の粗粒子
に限られている。 A concrete example of this conventional construction method is, for example, as seen in Japanese Patent Publication No. 44-25174, where reinforcing material is buried in the embankment and a flexible metal plate is used as a skin layer on the slope surface. . but,
Since the reinforcing materials used in this construction method are impermeable materials such as reinforcing bars and plastic plates, water tends to accumulate around them, which has the disadvantage that the strength of the soil decreases from around the reinforcing materials. Therefore, the soil to be constructed is limited to coarse particles such as sandy soil, which itself has water permeability.
また実開昭56−13149号公報に見られるように
補強材の廻りに透水層を設ける工法や透水性シー
トを補強材に用いる工法が提案されている。とく
に透水性シートを用いる工法は、施工が簡単であ
るので好ましい工法であるが、盛土中に単に埋設
しただけでは降雨等によつて水分を含んだ土砂の
動きにより、のり面部のシートの一部が崩れると
いう問題がある。 Furthermore, as seen in Japanese Utility Model Application Publication No. 56-13149, a method of providing a water-permeable layer around the reinforcing material and a method of using a water-permeable sheet as the reinforcing material have been proposed. In particular, a construction method that uses a permeable sheet is preferred because it is easy to construct, but if it is simply buried in the embankment, the movement of soil and sand that contains water due to rain, etc. may cause part of the sheet on the slope surface to break down. The problem is that it collapses.
のり面部の補強を意図した技術としては、特開
昭59−48525号公報あるいは特開昭59−52024号公
報に見られるように、土のうないし土のう状のも
のを面部に積み重ねる工法がある。しかし、この
工法は土のうの製作、積層作業に人手がかかり繁
雑でもあるので、作業コストが高価になる問題が
ある。またのり面部が土のうで覆われるため緑化
できないという問題もある。 As a technique aimed at reinforcing the slope, there is a method of stacking sandbags or sandbag-like materials on the slope, as seen in Japanese Patent Laid-Open No. 59-48525 or No. 59-52024. However, this construction method requires labor and labor to create and stack the sandbags, so there is a problem in that the work costs are high. Another problem is that greening is not possible because the slope is covered with sandbags.
本発明は、透水性シートを用いた工法ののり面
部の補強を土のうを用いることなく行うことによ
り上記の問題を解消しようとするもので、盛土中
の余剰水分を速やかに排出し、しかも降雨等によ
つて水分を含んだ土砂の動きによるのり面部の崩
壊更には土圧による盛土全体の崩壊を防止して盛
土を安定化させ、またのり面部における緑化を可
能としたものである。
The present invention attempts to solve the above problems by reinforcing the slope of the construction method using a water-permeable sheet without using sandbags. This stabilizes the embankment by preventing the collapse of the slope due to the movement of water-laden earth and sand, as well as the collapse of the entire embankment due to earth pressure, and also enables greening of the slope.
問題点を解決するための手段
すなわち本発明は、
網状のり面補強材を敷設する作業工程(1)、
上記のり面補強像の上に比較的長い透水性シー
トを敷設し盛土を行う作業工程(2)、
盛土ののり肩部に比較的短いシートを敷設し盛
土して転圧する作業を複数回繰り返す作業工程
(3)、
前記長い透水性シートをのり面部に沿つて折り
返し、その端を盛土中に埋める作業工程(4)、
以上(4)までの作業工程ででき上がつた盛土に上
記(2)ないし(4)の作業を繰返す作業工程(5)、
以上の作業によつて形成された盛土層ののり面
に沿つて前記網状のり面補強材を折り返し、その
端を盛土中に埋める作業工程(6)とからなる盛土の
斜面安定化工法である。Means for Solving the Problems That is, the present invention has the following steps: (1) a work step of laying a net-like slope reinforcement material; a work step (1) of laying a relatively long water-permeable sheet on top of the slope reinforcement image to form an embankment; 2) A work process in which a relatively short sheet is laid on the shoulder of the embankment, and the work of embanking and compacting is repeated multiple times.
(3) Step of folding the long permeable sheet along the slope and burying the end in the embankment (4) Adding the above (2) or A work step (5) in which the work in (4) is repeated; a work step (6) in which the net-like slope reinforcing material is folded back along the slope of the embankment layer formed by the above work, and its ends are buried in the embankment; ) is an embankment slope stabilization method.
本発明の工法を図面を参照して説明する。 The construction method of the present invention will be explained with reference to the drawings.
まず施工場所に網状ののり面補強材１を敷設す
る。続いて比較的長い透水性のシート２をのり面
補強材上に敷設し、その上から10〜30cm程度の盛
土を行う（第１図）。ここでのり面補強材に使用
される網状物は、金属ネツトあるいは合成樹脂ネ
ツト等があり、風雨による腐食がないこと及び軽
量で取扱い易いことからは後者が適当である。か
かる網状物は、当然ながらのり面部が部分的に崩
壊した時に保持できる程度の強度を有してなくて
はならない。合成樹脂ネツトとしては、延伸され
たフライメントあるいはテープ等を経緯に融着あ
るいは結束したもの等が存在するが、前者はメツ
シユ交叉部のフライメトあるいはテープの延伸傾
向が融着によつて弱められ、また後者は結束部分
への応力集中による結束部破断や結束可能な柔軟
なものしか使用できないのでネツトとしての強度
が不足する虞がある。したがつて、本発明の工法
において好ましくは用いられる合成樹脂ネツト
は、メツシユ交叉部がメツシユ部と一体的に延伸
されて交叉部自体が延伸方向に配向しているネツ
トである。このため交叉部が補強されて交叉部と
メツシユ部との力学特性の相違による破壊が著し
く減少されている。ネツトを構成する合成樹脂に
は周知の熱可塑性樹脂を利用することができる
が、とくにエチレン、プロピレン、１−ブテン、
４−メチル−１−ペンテンなどのα−オレフイン
の単独重合体または共重合体が好ましい。また前
述のα−オレフインと共重合体可能なモノマー、
たとえばスチレン、アクロニトリル、塩化ビニ
ル、酢酸ビニル、アクリル酸エステル、メタクリ
ル酸エステルなどとの共重合体、さらに前記のも
の同志あるいは他の熱可塑性樹脂とのブレンド
物、ブロツク共重合体、グラフト共重合体といつ
たポリオレフインでもかまわない。 First, a net-shaped slope reinforcement material 1 is laid at the construction site. Next, a relatively long water-permeable sheet 2 is laid on the slope reinforcing material, and embankment is made about 10 to 30 cm above it (Figure 1). The net-like material used for the slope reinforcing material may be a metal net or a synthetic resin net, and the latter is suitable because it does not corrode due to wind and rain and is lightweight and easy to handle. Naturally, such a net-like material must have enough strength to hold it when the slope section partially collapses. Synthetic resin nets include those made by welding or bundling stretched flyments or tapes, but in the former, the stretching tendency of the flymets or tapes at mesh intersections is weakened by the welding. In addition, the latter may cause the bundle to break due to stress concentration on the bundle, and since only flexible materials that can be bundled can be used, there is a risk that the strength of the net may be insufficient. Therefore, the synthetic resin net preferably used in the construction method of the present invention is a net in which the mesh intersection portion is stretched integrally with the mesh portion, and the intersection portion itself is oriented in the stretching direction. Therefore, the crossing portion is reinforced and damage caused by the difference in mechanical properties between the crossing portion and the mesh portion is significantly reduced. Well-known thermoplastic resins can be used as the synthetic resins constituting the net, but in particular, ethylene, propylene, 1-butene,
Homopolymers or copolymers of α-olefins such as 4-methyl-1-pentene are preferred. Furthermore, a monomer copolymerizable with the above-mentioned α-olefin,
For example, copolymers with styrene, acronitrile, vinyl chloride, vinyl acetate, acrylic esters, methacrylic esters, blends with the above or other thermoplastic resins, block copolymers, graft copolymers. Polyolefin, which has been described as a combination, may also be used.
透水性シート２は、土粒子との摩擦が大きくて
透水性能にも優れ、更に載荷重に対する伸びの少
ない補強材であり、たとえばポリアミド繊維、ポ
リエステル繊維、ポリアクリロニトリル繊維、ポ
リビニルアルコール繊維、ポリ塩化ビニル繊維、
ポリ塩化ビニリデン繊維、ポリエチレン繊維、ポ
リプロピレン繊維、ポリスチエン繊維等の熱可塑
性樹脂、やし繊維、しやろ繊維等の天然繊維から
なる織布、不織布及び編布あるいはこれらの複合
体または、これらと網状の補強体とを複合化した
ものが例示できる。とくに網状補強体と不織布を
複合化したものは、透水性と共に転圧による締固
め時に転圧圧力が均一に分散されて締固めを行い
易いという長所をもつ。 The water-permeable sheet 2 is a reinforcing material that has high friction with soil particles and excellent water-permeability, and also has low elongation under load, such as polyamide fibers, polyester fibers, polyacrylonitrile fibers, polyvinyl alcohol fibers, and polyvinyl chloride. fiber,
Woven fabrics, non-woven fabrics and knitted fabrics made of thermoplastic resins such as polyvinylidene chloride fibers, polyethylene fibers, polypropylene fibers and polystyrene fibers, natural fibers such as palm fibers and perilla fibers, or composites thereof, or net-like fabrics with these. An example is a composite material with a reinforcing body. In particular, a composite of a net-like reinforcing body and a nonwoven fabric has the advantage of being water permeable and of being easy to compact by distributing the rolling pressure evenly during compaction by rolling.
透水性シートの上に盛土が設けられると、盛土
ののり肩部に10〜50cm程度の比較的短いシート３
を敷設し（第３図）、その上に再び高さ10〜30cm
の盛土を行う。この作業は複数回実施され、その
後透水シートを盛土ののり面に沿つて折り返し、
その端を盛土中に埋める（第４図）。この作業工
程における比較的短いシート及び／又は網状物３
は層圧管理材として働き、具体的には盛土ののり
面に沿つた層の土圧を均一に分散し、応力歪みに
よるのり面部崩壊を防止する。したがつて、その
目的からシート３はの面から50cm程度、通常30cm
程度の奥行きで敷設するだけで十分である。この
シート３は、前述した金属ネツト、合成樹脂ネツ
ト、不織布、編織布のほかに金属又は合成樹脂の
単なるシートでもよく、またこれらを複合化した
ものであつてもよい。ここで前述ののり面補強材
や透水性のシートと異なることは、その目的が垂
直荷重を主体とした土圧の応力分散であるため、
透水性である必要はなく更に強度、剛性もとくに
強いものでなく柔軟性のあるネツト又はシートで
よいことである。 When an embankment is placed on top of a permeable sheet, a relatively short sheet of approximately 10 to 50 cm is placed on the shoulder of the embankment.
(Fig. 3), and on top of that again a height of 10 to 30 cm.
Embankment will be carried out. This work was carried out multiple times, and then the permeable sheet was folded back along the slope of the embankment.
Bury the edge in the embankment (Figure 4). Relatively short sheets and/or nets 3 in this working process
Acts as a layer pressure management material, specifically, it evenly disperses the earth pressure in the layer along the slope of the embankment and prevents the slope from collapsing due to stress strain. Therefore, for that purpose, sheet 3 should be placed at a distance of about 50 cm, usually 30 cm.
It is sufficient to lay it to a certain depth. The sheet 3 may be a simple sheet of metal or synthetic resin, or a composite of these, in addition to the metal net, synthetic resin net, nonwoven fabric, or knitted or woven fabric described above. The difference here from the above-mentioned slope reinforcement materials and permeable sheets is that their purpose is to disperse the stress of earth pressure mainly due to vertical loads.
It does not need to be water permeable, and it may be a flexible net or sheet without having particularly high strength or rigidity.
透水性シートをのり面に沿つて折り返したあと
は、前記の作業工程つまり透水性シートの敷設か
ら折り返しまで繰返し、その後最初の網状のり面
補強材をでき上がつた盛土ののり面に沿つて折り
返す。（第１図）。 After folding the permeable sheet along the slope surface, repeat the process described above, from laying the permeable sheet to folding it back, and then fold the first net-like slope reinforcement material back along the slope surface of the completed embankment. . (Figure 1).
本発明の工法は以上の作業工程を繰返すことに
よつて行われる（第５図）。 The construction method of the present invention is carried out by repeating the above working steps (Fig. 5).
このような工法によれば、盛土中の水分は透水
性シート２によつて適宜排水されて盛土の軟泥化
及び強度低下の虞はない。また、水分を含んだ土
砂の動きによるのり面とくにのり肩部の崩壊は、
補強シート３と網状のり面補強材１の両者の相互
作用によつて防止でき、さらに転圧による締固め
時にのり肩部の転圧圧力分散均一化をシート３に
よつて行うので、のり肩部附近の作業安全性及び
のり肩部の圧密化が均一に促進される。また別に
は、のり面が鉄板や土のうによつて覆われていな
いので、のり面部の緑化も可能である。更に別に
は、土のう作製等の繁雑な作業がなく、単に各補
強材を敷設したり折り曲げたりするだけであるの
で、人手がいらず経済的にも優れている。 According to such a construction method, water in the embankment is appropriately drained by the permeable sheet 2, and there is no risk of the embankment turning into soft mud or reducing its strength. In addition, the collapse of the slope surface, especially the slope shoulder, due to the movement of moisture-containing earth and sand,
This can be prevented by the interaction between the reinforcing sheet 3 and the reticulated slope reinforcing material 1, and since the sheet 3 evenly distributes the rolling pressure on the slope shoulder during compaction by rolling, the slope shoulder area can be prevented. Work safety in the vicinity and consolidation of the slope shoulder are uniformly promoted. Additionally, since the slope is not covered with iron plates or sandbags, it is possible to green the slope. Furthermore, there is no need for complicated work such as making sandbags, and all that is required is simply laying and bending each reinforcing material, so it does not require manpower and is economically superior.
第１〜第５図は本発明の実施例図である。 1 to 5 are illustrations of embodiments of the present invention.
Claims (1)
トを敷設し盛土を行う作業工程(2)、 盛土ののり肩部に比較的短いシートを敷設し盛
土して転圧する作業を複数回繰り返す作業工程
(3)、 前記長い透水性シートをのり面に沿つて折り返
し、その端を盛土中に埋める作業工程(4)、 以上(4)までの作業工程ででき上がつた盛土に上
記(2)ないし(4)の作業を繰返す作業工程(5)、 以上の作業によつて形成された盛土層ののり面
に沿つて前記網状のり面補強材を折り返し、その
端を盛土中に埋める作業工程(6)とからなる盛土の
斜面安定化工法。[Scope of Claims] 1 Work step (1) of laying a net-like slope reinforcement material; Work step (2) of laying a relatively long water-permeable sheet on top of the slope reinforcement material and embankment; Embankment paste. A work process in which a relatively short sheet is laid on the shoulder, and the work of embanking and compacting is repeated multiple times.
(3), Step (4) of folding the long permeable sheet along the slope and burying its ends in the embankment; A work step (5) in which the work in (4) is repeated; a work step (6) in which the net-like slope reinforcing material is folded back along the slope of the embankment layer formed by the above work, and its ends are buried in the embankment; ) is an embankment slope stabilization method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4755585A JPS61207723A (en) | 1985-03-12 | 1985-03-12 | Method of stabilizing face of slope of banking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4755585A JPS61207723A (en) | 1985-03-12 | 1985-03-12 | Method of stabilizing face of slope of banking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61207723A JPS61207723A (en) | 1986-09-16 |
| JPH0449608B2 true JPH0449608B2 (en) | 1992-08-12 |
Family
ID=12778423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4755585A Granted JPS61207723A (en) | 1985-03-12 | 1985-03-12 | Method of stabilizing face of slope of banking |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61207723A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0786234B2 (en) * | 1988-12-15 | 1995-09-20 | 清水建設株式会社 | How to create an embankment |
| KR20040011787A (en) * | 2002-07-30 | 2004-02-11 | 김동민 | Method for constructing vegetation reinforcement soil retainint wall and that of structure |
| KR100520285B1 (en) * | 2002-12-04 | 2005-10-11 | 최춘식 | Method for reinforcing a dam by layer compaction using high intensity public works texture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5115503A (en) * | 1974-07-30 | 1976-02-07 | Kyokado Eng Co | TSUCHIKOZOBUTSUNA RABINITSUCHIKOZOBUTSUNOKOCHIKUHO |
| JPS5211605A (en) * | 1975-07-17 | 1977-01-28 | Tekken Constr Co | Banking for strengthening face of slope and method of executing same |
| JPS5952024A (en) * | 1982-09-20 | 1984-03-26 | Mitsui Petrochem Ind Ltd | Structure for vertical banking |
-
1985
- 1985-03-12 JP JP4755585A patent/JPS61207723A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5115503A (en) * | 1974-07-30 | 1976-02-07 | Kyokado Eng Co | TSUCHIKOZOBUTSUNA RABINITSUCHIKOZOBUTSUNOKOCHIKUHO |
| JPS5211605A (en) * | 1975-07-17 | 1977-01-28 | Tekken Constr Co | Banking for strengthening face of slope and method of executing same |
| JPS5952024A (en) * | 1982-09-20 | 1984-03-26 | Mitsui Petrochem Ind Ltd | Structure for vertical banking |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61207723A (en) | 1986-09-16 |
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| Date | Code | Title | Description |
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| EXPY | Cancellation because of completion of term |