JPH1193120A - Slope collapse prevention method - Google Patents
Slope collapse prevention methodInfo
- Publication number
- JPH1193120A JPH1193120A JP27657797A JP27657797A JPH1193120A JP H1193120 A JPH1193120 A JP H1193120A JP 27657797 A JP27657797 A JP 27657797A JP 27657797 A JP27657797 A JP 27657797A JP H1193120 A JPH1193120 A JP H1193120A
- Authority
- JP
- Japan
- Prior art keywords
- slope
- rock
- collapse
- base rock
- bore hole
- 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
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は斜面の岩盤の崩落
を防止する工法に関するものであり、特に崩落の危険性
がせまっている斜面での施工も可能な斜面崩落防止工法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for preventing a rock from collapsing on a slope, and more particularly to a method for preventing a slope from collapsing on a slope where there is a danger of collapse.
【０００２】[0002]
【従来の技術】山岳地や海沿いなどの制限された地形
に、道路を敷設したり建物を建築することがある。この
ような地形では、道路や建物の上には切り立った崖など
の斜面が存在することもある。近年、このような地形で
の斜面の崩落が極めて大きな問題となっており、その対
策が必要となっている。このような斜面の崩落を防止す
る工法として、出願人は既に特公平２−４２９７０号公
報に記載した発明を開示している。同発明は、斜面に沿
ってＰＣ鋼材を伸ばし、その両端を斜面の上と下に埋設
して固定し、斜面をＰＣ鋼材によって押えるようにして
崩落を防ぐものである。2. Description of the Related Art Roads and buildings are sometimes constructed on restricted terrain such as mountainous areas and along the sea. In such terrain, slopes such as steep cliffs may exist on roads and buildings. In recent years, the collapse of slopes on such terrain has become a very serious problem, and measures have been required. As a method of preventing such a slope from collapsing, the applicant has already disclosed the invention described in Japanese Patent Publication No. 2-42970. According to the invention, a PC steel material is stretched along a slope, and both ends are buried and fixed above and below the slope, and the slope is pressed by the PC steel to prevent collapse.
【０００３】[0003]
【発明が解決しようとする課題】前記の先願の発明は、
ＰＣ鋼材を用いて、そのＰＣ鋼材のみによって地山を押
えようとするものであるが、例えＰＣ鋼材を網のように
地山の上に張り巡らしても、ＰＣ鋼材間の隙間を押える
ことは出来ず、地山全体を押えるには充分でなかった。
また地山を全て覆うような構造物を構築することは施工
が大がかりになってしまい、施工が極めて困難なものと
なってしまう。The above-mentioned invention of the prior application is:
It is intended to use PC steel to hold down the ground with only the PC steel. However, even if the PC steel is stretched over the ground like a net, the gap between the PC steels cannot be suppressed. It was not enough to hold down the whole ground.
In addition, constructing a structure that covers the entire ground requires a large amount of construction, which is extremely difficult.
【０００４】更に、このような崩落危険とを有する地形
での課題は、崩落を速やかに防止することであるが、そ
れとともに、崩落の危険性がある岩盤の上では作業が不
可能であり、安定した地盤の上でのみ作業を行なえるこ
とが必須条件となる。前記した先願の発明では、ＰＣ鋼
材の斜面の表面に沿わすために、崩落の危険性のある岩
盤の上での作業がどうしても必要となる。また、現在使
用されている道路などの通交を出来る限り制限せずに施
工を完了することが望まれる。[0004] Further, in a terrain having such a danger of collapsing, it is necessary to prevent the collapsing quickly, but at the same time, it is impossible to work on a bedrock which is at risk of collapsing. It is an essential condition that work can be performed only on stable ground. In the invention of the prior application described above, in order to follow the surface of the slope of the PC steel material, work on the bedrock which is at risk of collapse is absolutely necessary. In addition, it is desired to complete the construction without restricting the traffic of the roads currently used as much as possible.
【０００５】この発明は、簡易な施工で地山全体を押え
ることが可能であるとともに、崩落危険岩盤上のでの作
業は一切不要であって、交通遮断などの必要のない斜面
崩落防止工法を提供することを目的とする。[0005] The present invention provides a method for preventing a slope from falling without requiring any work on a collapsed bedrock, which is capable of holding down the whole ground with simple construction and not requiring any work on a rock. The purpose is to do.
【０００６】[0006]
【課題を解決するための手段】この発明にかかる斜面崩
落防止工法は、引張材を斜面の安定岩盤上から崩落危険
岩盤に向けて貫通させ、この引張材を貫通させた岩盤そ
のものを大きな受圧構造物として機能させることによ
り、斜面の地山全体を押えて上記の目的を達成するもの
である。The method for preventing a slope from falling according to the present invention is to penetrate a tensile material from a stable rock on the slope to a rock at risk of collapse, and to make the rock itself through which the tensile material penetrates into a large pressure receiving structure. By functioning as an object, the above-mentioned object is achieved by pressing the entire ground on the slope.
【０００７】[0007]
【発明の実施の形態】この発明にかかる斜面の崩落防止
工法は、斜面の安定岩盤上から、斜面の崩落危険岩盤に
向って削孔を形成する。ここで述べる安定岩盤とは、地
形や岩盤の性質上から崩落の可能性がほぼないと認めら
れる岩盤であり、崩落危険岩盤とは現実にクラックなど
が生じていることにより将来崩落の危険がある岩盤部分
のこともあるし、地形や岩盤の性質上、クラックなどの
兆候が全くなくとも将来的な崩落の可能性という危惧が
僅かでも存在する場合も含めている。削孔は斜面正面ま
で貫通させる。斜面正面とは実際は崩落危険岩盤の表面
となる。BEST MODE FOR CARRYING OUT THE INVENTION In the slope collapse prevention method according to the present invention, a drilling hole is formed from a stable rock mass on a slope toward a danger mass rock on a slope. The stable rock mentioned here is a rock that is considered to have almost no possibility of collapse due to the topography and the properties of the rock.The collapse-risk rock has the danger of future collapse due to the actual occurrence of cracks, etc. It may be a bedrock part, and it includes cases where there is little fear of future collapse even if there are no signs of cracks due to the topography and the nature of the bedrock. The drill hole is made to penetrate to the front of the slope. The front of the slope is actually the surface of the danger rock mass.
【０００８】このように掘削した削孔の中に、安定岩盤
から引張材を通す。引張材としてはＰＣ鋼より線やＰＣ
鋼線の他、合成樹脂繊維や炭素繊維などからなるもの
や、高強度鉄筋なども使用できる。ＰＣ鋼材の場合は、
複数本を束にしてシースの中に通して使用するものであ
る。引張材は斜面の正面から抜け出させる。そして、そ
の先端を下方に垂して、斜面の下方に下向きに掘削した
削孔の中に挿入する。引張材のほぼ全長はアンボンドと
しておくために、合成樹脂製のストレートシースの中に
通しておくのであるが、この削孔の中に挿入する引張材
の下端部分だけは、削孔の中でグラウト材と付着させて
定着させるために、周囲に凹凸が形成された鋼製や合成
樹脂製の異形シースの中に挿通しておく。下端部分を削
孔内に挿入した後、グラウト材を注入して定着する。斜
面上方の安定岩盤上で、引張材にプレストレス力を与え
て定着する。引張材を貫通した岩盤は、それ自身が大き
な受圧構造物となって、プレストレス力によってその下
の崩落危険岩盤を押えて、崩落を防止する。[0008] A tensile material is passed through the drilled hole from the stable rock. PC steel stranded wire or PC as tensile material
In addition to steel wires, those made of synthetic resin fibers, carbon fibers, and the like, and high-strength rebars can also be used. For PC steel,
A plurality of bundles are bundled and used through a sheath. The tensile material is pulled out of the front of the slope. Then, the tip is hung downward and inserted into a drilled hole dug downward below the slope. The entire length of the tensile material is passed through a synthetic resin straight sheath in order to keep it unbonded, but only the lower end of the tensile material inserted into this hole is grouted in the hole. In order to adhere to the material and fix it, it is inserted through a deformed sheath made of steel or synthetic resin with irregularities formed around it. After inserting the lower end portion into the hole, grout is injected and fixed. Prestressing is applied to the tensile material on the stable rock above the slope to settle. The rock that has penetrated the tensile material itself becomes a large pressure receiving structure, and the prestressing force holds down the rock under danger under the rock to prevent the rock from falling.
【０００９】このようにして引張材にプレストレス力を
与えて岩盤を押えるのであるが、実際は多数本の引張材
を場所を変えて安定岩盤上から崩落危険岩盤に貫通させ
て、また互いに斜面上や岩盤内で交差させ、網のように
縦横に引張材を網羅することにより、多数本の引張材が
一体となって斜面を押えるようにする。In this way, the prestressing force is applied to the tensile material to press the rock, but in practice, a large number of tensile materials are changed and penetrated from the stable rock to the collapse danger rock, and the rocks are mutually inclined. By crossing in a rock or rock and covering the tensile material vertically and horizontally like a net, a large number of tensile materials are united to hold down the slope.
【００１０】プレストレス力を与えないで、引張材の付
着力により崩落危険岩盤を大きな受圧構造物として機能
させることもある。引張材がＰＣ鋼材の場合、そのほぼ
全長を鋼製か合成樹脂製の異形シースの中に挿入し、安
定岩盤から斜面正面に貫通した削孔の中に通す。先端を
斜面下方に垂し、下端を斜面下方の削孔の中に挿入して
グラウト材を注入して定着する。安定岩盤から斜面正面
に貫通した削孔の中にもグラウト材を注入して引張材を
定着する。従って、斜面正面に抜け出た部分から、斜面
下方の削孔に挿入するまでの斜面に沿って表出する部分
は、異形シースでもよいが、合成樹脂製のストレートシ
ースの中に通しておいてもよい。引張材と周囲の岩盤の
付着力によって、安定岩盤と崩落危険岩盤を一体に繋ぐ
ようにするものである。このような引張材の付着力によ
って貫通させた岩盤自身を大きな受圧構造物として機能
させ、その下の岩盤を押えて崩落を防ぐ。[0010] In some cases, without danger of the prestressing force, the rocks at risk of collapse may function as large pressure receiving structures due to the adhesive force of the tensile material. When the tensile material is PC steel, the entire length is inserted into a steel or synthetic resin deformed sheath, and is passed through a drilled hole penetrating from the stable rock to the front of the slope. The tip is hung downward on the slope, and the lower end is inserted into a borehole below the slope, and grout is injected and fixed. Grout material is injected into the drilled hole from the stable rock to the front of the slope to fix the tensile material. Therefore, the part that emerges along the slope from the part that slips out to the front of the slope until the hole is inserted into the hole below the slope may be a modified sheath, or may be passed through a synthetic resin straight sheath. Good. The stable rock and the collapse danger rock are connected together by the adhesive force between the tensile material and the surrounding rock. The bedrock itself penetrated by the adhesive force of such a tensile material functions as a large pressure receiving structure, and the bedrock below it is pressed to prevent collapse.
【００１１】[0011]
【実施例】以下、図に示す実施例に基づきこの発明を詳
細に説明する。図１において１は崩落が生ずる可能性の
ある岩盤であって、滑り面ａを境に崩落する可能性があ
るものである。実際、可能性のある滑り面ａがいくつも
斜面に存在している。この滑り面ａよりも奥の、崩落の
可能性の極めて少ない安定岩盤２の上から、斜面正面に
向けて削孔３を形成してある。この削孔３に、安定岩盤
２上から、合成樹脂製のストレートシース４の中に通し
たＰＣ鋼より線５を貫通させる。斜面正面から出たＰＣ
鋼より線５を下に垂し、斜面下方に下向きに形成した削
孔６に下端を挿入する。この削孔６に挿入する部分の
み、ＰＣ鋼材５はステンレス製の異形シース７の中に挿
入してある。削孔６内にグラウト材８を注入してＰＣ鋼
より線５下端を定着する。ＰＣ鋼より線５の上端をジャ
ッキによって引張り、安定岩盤２上でプレストレス力を
与えて、ＰＣ鋼より線５を貫通した岩盤そのものを受圧
構造物として機能させ、その下の崩落危険岩盤１を押え
る。その後、そのＰＣ鋼より線５の上端をアンカーヘッ
ド１４にくさびによって定着する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on an embodiment shown in the drawings. In FIG. 1, reference numeral 1 denotes a rock mass which is likely to collapse, which may collapse at a sliding surface a. In fact, there are several possible sliding surfaces a on the slope. A drilled hole 3 is formed on the stable rock 2 deeper than the sliding surface a, where the possibility of collapse is extremely small, toward the front of the slope. Through the drill hole 3, a PC steel stranded wire 5 passed through a synthetic resin straight sheath 4 from the stable rock 2 is penetrated. PC from the front of the slope
A steel stranded wire 5 is suspended downward, and the lower end is inserted into a drilled hole 6 formed downward on the slope. Only at the part to be inserted into the hole 6, the PC steel material 5 is inserted into the stainless steel deformed sheath 7. The grout material 8 is injected into the hole 6 to fix the lower end of the PC stranded wire 5. The upper end of the PC steel stranded wire 5 is pulled by a jack, and a prestressing force is applied on the stable rock 2 so that the rock itself penetrating the PC steel stranded wire 5 functions as a pressure receiving structure. suppress. Thereafter, the upper end of the PC steel strand 5 is fixed to the anchor head 14 by wedges.
【００１２】図２に示すのは、斜面を正面から見た図で
あるが、多数本の引張材が岩盤や斜面の正面で交差する
ようにして、縦横に伸びて斜面を押させている。また、
引張材として使用したＰＣ鋼より線５は、プレストレス
力を与えた状態で斜面に沿って垂した状態で施工を完了
してもよいが、図３に示すのは、下に垂したＰＣ鋼より
線５と斜面との間に生じた隙間を吹き付けコンクリート
９によって形成した梁１０によって支えた例であり、左
右に金網型枠１１を起立してコンクリート９を吹き付け
たものである。この梁１０によってＰＣ鋼より線５と斜
面との隙間を埋め、斜面崩落につながる緩みを防ぐ。図
４に示すのはＰＣ鋼より線５も梁１０の中へ埋設した例
である。FIG. 2 is a view of the slope viewed from the front. A large number of tensile members extend vertically and horizontally to push the slope so as to intersect at the front of the rock or the slope. Also,
The construction may be completed in a state where the PC steel strand 5 used as the tensile material is hung down the slope with the prestressing force applied, but FIG. 3 shows the PC steel hung down. This is an example in which a gap created between the stranded wire 5 and the slope is supported by beams 10 formed by spraying concrete 9, in which a wire mesh form 11 is erected to the left and right and the concrete 9 is sprayed. The beam 10 bridges the gap between the PC stranded wire 5 and the slope, and prevents loosening that may cause the slope to collapse. FIG. 4 shows an example in which the PC steel strand 5 is also embedded in the beam 10.
【００１３】図５に示すのは、全長をステンレス製の異
形シース１２の中に挿入したＰＣ鋼より５を使用した場
合であり、安定岩盤２の上から貫通させた削孔３内にＰ
Ｃ鋼より線５を通し、先端を下方に垂す。下端部を斜面
下方に形成した削孔６内に挿入してグラウト材８を注入
して定着する。また削孔３の斜面正面の出口付近に予め
シース１２外周に取付けておいたパッカー１３を位置さ
せて削孔３の出口を塞ぐ。この状態で削孔３内にグラウ
ト材８を注入して、定着する。削孔３は安定岩盤２から
崩落危険岩盤１まで貫通しており、これに通したＰＣ鋼
より線５をグラウト材８によって周囲と付着させること
により、崩落危険岩盤１が大きな受圧構造物として機能
し、その下の岩盤を安定岩盤２へ押えることになる。実
施例ではステンレス製の異形シース１２を保護するため
に、更に周囲に保護部材として合成樹脂製のシース１５
を被せてある。保護部材としてのシース１５は、その他
鋼製や各種材質のシースが採用可能である。また保護部
材として、引張材周囲に吹き付けコンクリートを施すこ
とも可能である。更に、引張材と斜面との間に、部分
的、すなわち間欠的に受圧部材１６を設けて、斜面を押
えるとともに引張材の固定に役立っている。FIG. 5 shows a case where a PC steel 5 inserted into a deformed sheath 12 made of stainless steel is used for the entire length.
Pass the steel wire 5 through the steel wire and hang the tip downward. The lower end is inserted into a hole 6 formed below the slope, and grout material 8 is injected and fixed. In addition, a packer 13 previously mounted on the outer periphery of the sheath 12 is positioned near the exit on the front of the slope of the drill hole 3 to close the outlet of the drill hole 3. In this state, the grout material 8 is injected into the hole 3 and fixed. The drill hole 3 penetrates from the stable rock 2 to the collapse danger rock 1, and the PC danger wire 5 passing therethrough is adhered to the surroundings by the grout 8 so that the collapse danger rock 1 functions as a large pressure receiving structure. Then, the bedrock below it is pressed down to the stable bedrock 2. In the embodiment, in order to protect the irregularly shaped sheath 12 made of stainless steel, a sheath 15 made of synthetic resin is further provided as a protection member around the sheath.
Is covered. As the sheath 15 as the protective member, a sheath made of other steel or various materials can be adopted. As a protective member, it is also possible to spray concrete around the tensile member. Further, a pressure receiving member 16 is provided partially, that is, intermittently, between the tension member and the slope to press down the slope and to help fix the tension member.
【００１４】[0014]
【発明の効果】この発明は以上のような構成により、以
下の効果を得ることができる。 地山に引張材を貫通させるだけでに、地山の岩盤自体
を大きな受圧構造物として機能させ、その大きな受圧構
造物によって地山全体を大きく押えることが可能で、著
しく容易な施工で、斜面の地山全体の崩落を防止でき
る。 安定岩盤から正面に向けて引張材を通し、下端を斜面
下方の削孔内に定着してプレストレス力を与えるため、
崩落の可能性のある危険な岩盤上での作業は一切必要な
く、極めて安全に施工が行なえる。 斜面下では引張材を削孔の中に定着する作業しかな
く、斜面下の道路の交通などを止める必要がなく、効率
の良い施工が行なえる。 シースの中に束にして通した引張材は、それだけで何
百トンの荷重を支えることができ、この引張材多数本を
斜面に縦横に掛けることにより、何千トンもの岩盤の荷
重を支えて、崩落を防ぐ。 引張材下端は斜面下方の削孔に挿入して定着するだけ
であり、既設の道路や建物などの建築限界を犯さない。According to the present invention, the following effects can be obtained by the above configuration. Just by letting the tensile material penetrate the ground, the ground rock itself can function as a large pressure receiving structure, and the large pressure receiving structure can greatly hold down the entire ground, making it extremely easy to construct the slope. Of the entire mountain can be prevented. To pass the tensile material from the stable rock to the front, fix the lower end in the drilling below the slope and give a prestressing force,
No work is required on dangerous rock which may collapse, and construction can be performed extremely safely. Under the slope, there is only work to fix the tensile material in the borehole, and there is no need to stop traffic on the road under the slope, and efficient construction can be performed. The tension material bundled in the sheath can support hundreds of tons of load by itself, and by applying a large number of these tension materials vertically and horizontally on the slope, it can support the load of thousands of tons of rock. , Prevent collapse. The lower end of the tension member is simply inserted into the drilled hole below the slope and fixed, and does not violate the architectural limit of existing roads and buildings.
【図１】プレストレス力を与えて斜面を押えた実施例の
説明図である。FIG. 1 is an explanatory view of an embodiment in which a prestressing force is applied to hold down a slope.
【図２】斜面の正面図である。FIG. 2 is a front view of a slope.
【図３】引張材と斜面の間に梁を形成いた断面図であ
る。FIG. 3 is a sectional view in which a beam is formed between a tension member and a slope.
【図４】引張材を梁の中に埋設した断面図である。FIG. 4 is a sectional view in which a tensile member is embedded in a beam.
【図５】貫通させた引張材を削孔内にて定着した実施例
の説明図である。FIG. 5 is an explanatory diagram of an embodiment in which a penetrated tensile material is fixed in a hole.
１ 崩落危険岩盤 ２ 安定岩盤 ３ 削孔 ４ ストレートシース ５ ＰＣ鋼より線 ６ 削孔 ７ 異形シース ８ グラウト材 ９ コンクリート １０ 梁 １１ 金網型枠 １２ シース １３ パッカー １４ アンカーヘッド １５ 保護部材 １６ 受圧部材 DESCRIPTION OF SYMBOLS 1 Collapse danger rock 2 Stable rock 3 Drilling hole 4 Straight sheath 5 PC steel strand 6 Drilling hole 7 Deformed sheath 8 Grout material 9 Concrete 10 Beam 11 Wire mesh form 12 Sheath 13 Packer 14 Anchor head 15 Protective member 16 Pressure receiving member
Claims (2)
盤に向って削孔を形成して斜面正面へ貫通させ、この削
孔に引張材を通して斜面正面から垂し、斜面下方に形成
した削孔の中に下端を挿入してグラウト材を注入して定
着し、崩落危険岩盤の中に通した引張材にプレストレス
力を与え、引張材の上端を安定岩盤上で定着してなる斜
面崩落防止工法。1. A drilling hole is formed from a stable rock on a slope to a rock at risk of collapse of a slope and penetrated to the front of the slope, and a tensile material is passed through the drilling from the front of the slope to cut the rock formed below the slope. The lower end is inserted into the hole, grout is injected and settled, and a prestressing force is applied to the tensile material that has passed through the rock mass which is likely to collapse, and the upper end of the tensile material is fixed on the stable rock mass. Prevention method.
盤に向って削孔を形成して斜面正面へ貫通させ、この削
孔に引張材を通して斜面正面から垂し、斜面下方に形成
した削孔の中に下端を挿入してグラウト材を注入して定
着し、崩落危険岩盤に形成した削孔内にもグラウト材を
注入して引張材を定着してなる斜面崩落防止工法。2. A drilling hole is formed from the stable rock on the slope to the rock at risk of collapse of the slope and penetrates to the front of the slope, and a tensile material is passed through the drilling from the front of the slope to cut the rock formed below the slope. Slope fall prevention method in which grout is injected into the hole to fix it, and grout is injected into the drilled hole in the rock which is dangerous to collapse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9276577A JP3051706B2 (en) | 1997-09-24 | 1997-09-24 | Slope fall prevention method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9276577A JP3051706B2 (en) | 1997-09-24 | 1997-09-24 | Slope fall prevention method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1193120A true JPH1193120A (en) | 1999-04-06 |
| JP3051706B2 JP3051706B2 (en) | 2000-06-12 |
Family
ID=17571414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9276577A Expired - Lifetime JP3051706B2 (en) | 1997-09-24 | 1997-09-24 | Slope fall prevention method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3051706B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2374127A1 (en) * | 2010-01-21 | 2012-02-14 | 3S Geotecnia Y Tecnología S.L. | Procedure for adaptation of the process of manufacture of steel wire mesh for its employment as flexible membranes in slope stabilization systems. (Machine-translation by Google Translate, not legally binding) |
| KR101110744B1 (en) | 2009-10-01 | 2012-02-24 | 쌍용건설 주식회사 | Vertical Post Tension Structure Of Sloping Structure And Its Construction Method |
-
1997
- 1997-09-24 JP JP9276577A patent/JP3051706B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101110744B1 (en) | 2009-10-01 | 2012-02-24 | 쌍용건설 주식회사 | Vertical Post Tension Structure Of Sloping Structure And Its Construction Method |
| ES2374127A1 (en) * | 2010-01-21 | 2012-02-14 | 3S Geotecnia Y Tecnología S.L. | Procedure for adaptation of the process of manufacture of steel wire mesh for its employment as flexible membranes in slope stabilization systems. (Machine-translation by Google Translate, not legally binding) |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3051706B2 (en) | 2000-06-12 |
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