JPH11190025A - Reinforced soil structure - Google Patents
Reinforced soil structureInfo
- Publication number
- JPH11190025A JPH11190025A JP35941997A JP35941997A JPH11190025A JP H11190025 A JPH11190025 A JP H11190025A JP 35941997 A JP35941997 A JP 35941997A JP 35941997 A JP35941997 A JP 35941997A JP H11190025 A JPH11190025 A JP H11190025A
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing material
- retaining wall
- connecting rod
- embankment
- wall
- 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
- 239000002689 soil Substances 0.000 title claims abstract description 18
- 239000012779 reinforcing material Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000004746 geotextile Substances 0.000 claims abstract description 10
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 8
- 239000000057 synthetic resin Substances 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 4
- 230000001070 adhesive effect Effects 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 11
- 239000004576 sand Substances 0.000 description 4
- 229920001059 synthetic polymer Polymers 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 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)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Retaining Walls (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、例えば道路など
に面して構築される擁壁などの補強土構造物に関し、特
に盛り土の先端部に設置して盛り土を保持する擁壁材と
してコンクリートブロックまたはコンクリートパネル等
を使用し、かつ盛り土内に複数、設置して擁壁材を盛り
土の先端部に固定するとともに、盛り土を流出などしな
いよう保持する盛り土補強材としてジオテキスタイル
（合成高分子材料を用いた織布、不織布、ネット等）を
使用して構築される補強土構造物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforced earth structure such as a retaining wall constructed facing a road or the like, and more particularly to a concrete block as a retaining wall material which is installed at the tip of an embankment to hold the embankment. Or use concrete panels, etc., and install a plurality of them in the embankment to fix the retaining wall material to the tip of the embankment and use geotextile (a synthetic polymer material Woven fabric, nonwoven fabric, net, etc.).
【０００２】[0002]
【従来の技術】これまで、道路などに面して構築される
擁壁として、例えば図９に図示するように、コンクリー
トブロックまたはコンクリートパネル等からなる壁面材
20を上下方向および左右方向に複数設置する一方、壁面
材20の背面側に現地で大量に排出される土砂（盛り土）
21を入念に転圧しながら盛り土し、かつこの盛り土21内
に壁面材20を固定するとともに、土砂21を流出しないよ
う保持する盛り土補強材22を複数層に埋設して構築した
ものが知られている。2. Description of the Related Art Conventionally, as a retaining wall constructed facing a road or the like, for example, as shown in FIG.
While a plurality of 20s are installed in the vertical and horizontal directions, a large amount of earth and sand (filling) discharged locally on the back side of the wall material 20
It is known that the embankment is laid while carefully rolling the embankment 21, and the wall material 20 is fixed in the embankment 21 and the embankment reinforcing material 22 which holds the earth and sand 21 so as not to flow out is buried in a plurality of layers. I have.
【０００３】その際、盛り土補強材22として合成樹脂製
グリットや合成樹脂製シート等からなるジオテキスタイ
ルが使用され、盛り土補強材22は壁面材20の背面部に突
設されたアンカー部材（図省略）などに単に端部を引っ
掛けるか、あるいは上下の壁面材20,20 間に挟む等して
連結されている。At this time, a geotextile made of a synthetic resin grit, a synthetic resin sheet, or the like is used as the embankment reinforcing material 22, and the embankment reinforcing material 22 is an anchor member projecting from the rear surface of the wall material 20 (not shown). It is connected by simply hooking the end portion or sandwiching it between the upper and lower wall materials 20.
【０００４】[0004]
【発明が解決しようとする課題】しかし、この種の盛り
土補強材は可とう性にすぐれ、盛り土とよく馴染んで盛
り土の転圧がし易く、盛り土工事が容易な反面、壁面部
材20との連結部において、充分な引っ張り強度を発揮す
る前に縦糸が横糸との交差部で破断し易いという大きな
欠点があった。However, this type of embankment reinforcing material is excellent in flexibility, is well adapted to the embankment, and is easy to roll the embankment. There was a major drawback in that the warp yarn was liable to break at the intersection with the weft yarn before exhibiting sufficient tensile strength in the portion.
【０００５】この発明は、以上の課題を解決するために
なされたもので、特に盛り土補強材としてのジオテキス
タイルの端部を擁壁材に簡単にかつ確実に連結できると
ともに、盛り土補強材の端部が簡単に破断してしまうの
を防止した補強土構造物を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. In particular, the end of a geotextile as an embankment reinforcing material can be easily and reliably connected to a retaining wall material, and the end of the embankment reinforcing material can be connected. It is an object of the present invention to provide a reinforced earth structure in which the steel is easily broken.
【０００６】[0006]
【課題を解決するための手段】以上の課題を解決するた
めに、この発明に係る請求項１記載の補強土構造物は、
特にジオテキスタイルからなる盛り土補強材の一端を連
結棒に巻きつけ、かつこの連結棒を擁壁材に固着する。Means for Solving the Problems In order to solve the above problems, a reinforced earth structure according to claim 1 of the present invention comprises:
In particular, one end of the embankment reinforcing material made of geotextile is wound around a connecting rod, and the connecting rod is fixed to the retaining wall material.
【０００７】請求項２記載の補強土構造物は、前項にお
いて、擁壁材どうしを連結キーを介してそれぞれ連結す
る。According to a second aspect of the present invention, in the above-mentioned reinforced soil structure, the retaining wall members are connected to each other via the connecting key.
【０００８】請求項３記載の補強土構造物は、請求項１
又は２の記載において、連結棒を盛り土補強材の一端と
ともに擁壁材に形成された凹溝状部に固着する。[0008] The reinforcing earth structure according to claim 3 is claim 1.
Alternatively, in the description of 2, the connecting rod is fixed to the concave groove-shaped portion formed in the retaining wall material together with one end of the embankment reinforcing material.
【０００９】請求項４記載の補強土構造物は、請求項
１、２又は３の記載において、連結棒をくぎ止め、ねじ
止め又は接着材止め、あるいは充填材で固めて固着す
る。According to a fourth aspect of the present invention, there is provided the reinforcing earth structure according to the first, second, or third aspect, wherein the connecting rod is fixed with a nail, a screw, an adhesive, or a filler.
【００１０】請求項５記載の補強土構造物は、請求項
１、２、３又は４の記載において、連結棒を盛り土補強
材の一端とともに止め金具で固着する。According to a fifth aspect of the present invention, in the first aspect, the connecting rod is fixed together with one end of the embankment reinforcing material with a stopper.
【００１１】そして、請求項６記載の補強土構造物は、
請求項１〜５の記載において、連結棒を、特に金属製ま
たは合成樹脂製の丸棒または角棒のような棒状体、ある
いは板状体から形成する。[0011] The reinforced earth structure according to claim 6 is:
In the first to fifth aspects, the connecting rod is formed of a rod-shaped body such as a round bar or a square bar made of metal or synthetic resin, or a plate-shaped body.
【００１２】[0012]
【発明の実施の形態】図１(a),(b),(c) は、この発明の
実施の一形態を示し、図において、擁壁材としての壁面
ブロック１が上下方向および横方向に互いに連結しなが
ら複数、設置されている。また、この複数の壁面ブロッ
ク１からなる擁壁Ａの背面側に現地で大量に発生する土
砂２（以下「盛り土２」という）が入念に転圧しながら
盛り土されている。1 (a), 1 (b) and 1 (c) show an embodiment of the present invention. In the drawings, a wall block 1 as a retaining wall material is vertically and horizontally oriented. A plurality of them are connected to each other. On the back side of the retaining wall A composed of the plurality of wall blocks 1, earth and sand 2 (hereinafter referred to as “embankment 2”) generated in large quantities in the field is embanked while carefully rolling.
【００１３】さらに、この盛り土２内に盛り土補強材３
が複数層に埋設されている。盛り土補強材３の一端３ａ
は上下に隣接する壁面ブロック1,1 間に連結棒４を介し
てそれぞれ連結されている。こうして、補強土構造物が
構築されている。Further, the embankment reinforcing material 3 is provided in the embankment 2.
Are embedded in multiple layers. One end 3a of the embankment reinforcing material 3
Are connected via a connecting rod 4 between the vertically adjacent wall blocks 1,1. Thus, a reinforced earth structure is constructed.
【００１４】壁面ブロック１は鉄筋コンクリート製で、
そのままでも安定した状態で自立できるような直方体形
状に成形されている。また、各壁面ブロック１の上端部
に真上に開口する凹溝状部５が壁面ブロック１の横方向
（擁壁Ａの横方向）に連続してそれぞれ形成されてい
る。さらに、壁面ブロック１は横方向に隣接する壁面ブ
ロック1,1 の凹溝状部５が擁壁Ａの横方向に連続し、ま
た横方向に隣接する壁面ブロック1,1 間の目地が上下方
向に連続しない、いわゆる破れ目地となるように設置さ
れている。The wall block 1 is made of reinforced concrete.
It is formed in a rectangular parallelepiped shape that can stand alone in a stable state as it is. In addition, a concave groove portion 5 that opens right above at the upper end of each wall block 1 is formed continuously in the lateral direction of the wall block 1 (lateral direction of the retaining wall A). Further, in the wall block 1, the concave groove portions 5 of the horizontally adjacent wall blocks 1, 1 are continuous in the horizontal direction of the retaining wall A, and the joint between the horizontally adjacent wall blocks 1, 1 is vertically aligned. It is installed so as to be a so-called break joint that is not continuous.
【００１５】なお、壁面ブロック１としては、運搬など
の取り合い易さ、施工性などを考慮すると、通常、高さ
が８〜60cm、幅が15〜80cm、奥行きが15〜150cm 程度、
さらに、重量が100 kg程度に成形されているのが望まし
い。The wall block 1 is usually about 8 to 60 cm in height, about 15 to 80 cm in width, about 15 to 150 cm in depth, in consideration of ease of transportation and workability and workability.
Furthermore, it is desirable that the weight is formed to about 100 kg.
【００１６】盛り土補強材３には、盛り土の転圧時に自
由に変形できて入念な転圧が可能な、合成高分子樹脂製
のグリットまた合成高分子樹脂製のシート等からなるジ
オテキスタイルが使用されている。As the embankment reinforcing material 3, a geotextile made of a synthetic polymer resin grit or a synthetic polymer resin sheet, which can be freely deformed when the embankment is compacted and can be carefully compacted, is used. ing.
【００１７】また、盛り土補強材３の一端３ａは、図１
(c) に図示するように連結棒４に１回ないし数回巻き付
けられた後、連結棒４とともに凹溝状部５に嵌め込まれ
ている。さらに、必要に応じて複数本のくぎ又はねじ部
材６によってくぎ止め又はねじ止めするか、単に接着材
で接着するか、あるいは図１(d) に図示するように連結
棒４の上にモルタル等の充填材11を充填する等されてい
る。こうして、盛り土補強材３の一端３ａは凹溝状部５
の底部分に連結棒４とともに固着されている。One end 3a of the embankment reinforcing material 3 is connected to the
After being wound once or several times around the connecting rod 4 as shown in (c), it is fitted into the groove 5 together with the connecting rod 4. Further, if necessary, a plurality of nails or screw members 6 may be used for nailing or screwing, or may be simply bonded with an adhesive, or a mortar or the like may be placed on the connecting rod 4 as shown in FIG. And the like. Thus, one end 3a of the embankment reinforcing material 3 is
Is fixed together with the connecting rod 4 to the bottom portion of the base.
【００１８】連結棒４は合成樹脂製または金属製で、盛
り土補強材３が盛り土２の沈下などで強く引っ張られた
としても、回転しにくい偏平な断面略矩形状に形成され
ている。The connecting rod 4 is made of synthetic resin or metal, and has a flat rectangular cross section which is difficult to rotate even if the embankment reinforcing material 3 is strongly pulled by the settlement of the embankment 2 or the like.
【００１９】このようにして、盛り土補強材３の一端３
ａが上下壁面ブロック1,1 間に、詳しくは、各壁面ブロ
ック１の上端部に連結されていることで、盛り土２の転
圧や施工後の自然沈下などで大きな引っ張り力が作用し
たとしても、盛り土補強材３の一端３ａが簡単に破断し
てしまうようなことはなく、盛り土補強材として充分に
その機能を果たすことができる。In this manner, one end 3 of the embankment reinforcing material 3
Since a is connected between the upper and lower wall blocks 1 and 1, more specifically, at the upper end of each wall block 1, even if a large tensile force acts due to the compaction of the embankment 2 or natural settlement after construction, etc. In addition, one end 3a of the embankment reinforcing member 3 does not easily break, and the function can be sufficiently performed as the embankment reinforcing member.
【００２０】図２(a),(b),(c) は、この発明の他の例を
示し、このうち、図２(a),(b) はともに、上下に隣接す
る壁面ブロック１どうしを鉄筋などからなる連結キー７
で連結した例を示し、特に図２(a) に図示するものは、
凹溝状部５を挟んでその両側に連結キー７を突設して上
下壁面ブロック１どうしを連結した例を示し、また図２
(b) に図示するものは、連結キー７を連結棒４を貫通し
て壁面ブロック１の中央に突設して上下壁面ブロック１
どうしを連結した例を示したものである。2 (a), 2 (b) and 2 (c) show another embodiment of the present invention. Among them, FIGS. 2 (a) and 2 (b) both show wall blocks 1 vertically adjacent to each other. Key 7 made of reinforcing steel
In the example shown in FIG. 2 (a),
FIG. 2 shows an example in which connecting keys 7 are protruded on both sides of the concave groove portion 5 to connect the upper and lower wall blocks 1 to each other.
2 (b) shows a connecting key 7 penetrating through the connecting rod 4 and protruding at the center of the wall block 1 so that the upper and lower wall blocks 1 are connected.
It is an example in which two are connected.
【００２１】なお、いずれの場合も、連結キー７は上下
壁面ブロック１の上端部と下端部にそれぞれ形成された
穴１ａに差し込んで突設されている。また、穴１ａには
モルタル等の充填材を充填することにより、上下壁面ブ
ロック１どうしが一体的に連結されている。In any case, the connecting key 7 is inserted into holes 1a formed at the upper end and the lower end of the upper and lower wall blocks 1 so as to project therefrom. The upper and lower wall blocks 1 are integrally connected to each other by filling the hole 1a with a filler such as mortar.
【００２２】こうすることで、地震の際などに壁面ブロ
ック１が浮き上がることにより上下壁面ブロック1,1 間
に大きな隙間ができ、この隙間から盛り土補強材３の一
端３ａが連結棒４とともに抜けてしまうのを防止でき
る。In this way, a large gap is formed between the upper and lower wall blocks 1 and 1 by lifting the wall block 1 in the event of an earthquake or the like, and one end 3a of the embankment reinforcing material 3 is removed from this gap together with the connecting rod 4. Can be prevented.
【００２３】さらに、図２(c) に図示するものは、連結
棒４に盛り土補強材３の一端３ａを壁面ブロック１に連
結する本来の機能を持たせるとともに、連結棒４を上下
に隣接する壁面ブロック１の中央部にそれぞれ形成され
た凹溝状部５に突設することで、上下壁面ブロック１ど
うしを連結する連結キー７の機能をも持たせるようにし
たものである。2 (c), the connecting rod 4 has the original function of connecting one end 3a of the embankment reinforcing material 3 to the wall block 1, and the connecting rod 4 is vertically adjacent to the wall block 1. By protruding from the concave groove portions 5 respectively formed in the center portion of the wall block 1, a function of a connection key 7 for connecting the upper and lower wall blocks 1 is also provided.
【００２４】図３と図４は、同じくこの発明の他の例を
示し、特に図３に図示するものは、連結棒４として合成
樹脂製または金属製の丸棒のような棒状体、例えば鉄筋
などの丸鋼を使用した例を示し、また図４(a),(b) に図
示するものは、鉄筋などの丸棒のような棒状体からなる
連結棒４を各壁面ブロック１の上端部または上端部に形
成された凹溝状部５内に盛り土補強材３の一端３ａとと
もに止め金具８で回転しないように強固に固定した例を
示したものである。FIGS. 3 and 4 show another embodiment of the present invention. In particular, FIG. 3 shows a connecting rod 4 having a rod shape such as a synthetic resin or metal round bar, for example, a reinforcing bar. FIGS. 4 (a) and 4 (b) show an example in which a round bar such as a reinforcing bar is used to connect a connecting rod 4 made of a rod-like body such as a reinforcing bar. Alternatively, an example is shown in which the fixing member 8 is firmly fixed together with one end 3a of the embankment reinforcing material 3 so as not to rotate with a stopper 8 in a concave groove portion 5 formed at the upper end portion.
【００２５】このうち、特に、図４(a) に図示するもの
は、止め金具８として硬質製合成樹脂製または金属製の
ものが使用され、一方、図４(b) に図示するものは、連
結棒４の大きさ（径）に合わせて自由に曲げ変形可能
な、例えば薄い金属板からなる止め金具が使用されてい
る。Of these, the one shown in FIG. 4 (a) is particularly made of a hard synthetic resin or a metal as the stopper 8, while the one shown in FIG. 4 (b) is A stopper made of, for example, a thin metal plate that can be freely bent and deformed according to the size (diameter) of the connecting rod 4 is used.
【００２６】いずれの場合も、止め金具８は図４(c) に
図示するようにアンカービス６によって壁面ブロック１
の上端部に固着されている。また、必要に応じて、上側
の壁面ブロック１の下端側に止め金具８を埋め込むため
の凹溝状部９が所定の深さに形成されている。さらに、
連結棒４を各壁面ブロック１の上端部に止め金具８で固
定することにより、図４(a) に図示するように連結棒４
を嵌め込むための凹溝状部５を省略してもよい。In each case, the stopper 8 is fixed to the wall block 1 by an anchor screw 6 as shown in FIG.
Is fixed to the upper end. If necessary, a groove-like portion 9 for embedding the stopper 8 is formed at a predetermined depth at the lower end of the upper wall block 1. further,
By fixing the connecting rod 4 to the upper end of each wall block 1 with a fastener 8, as shown in FIG.
May be omitted.
【００２７】図５と図６は、同じくこの発明の他の例を
示し、壁面ブロックの代わりに壁面パネル10で擁壁Ａを
構築し、ジオテキスタイルからなる盛り土補強材３の一
端３ａは、連結棒４に１回ないし数回巻き付け、この連
結棒４を壁面パネル10の背面部に複数本のアンカービス
６で固着した例を示したものである。FIGS. 5 and 6 show another embodiment of the present invention, in which a retaining wall A is constructed by a wall panel 10 instead of a wall block, and one end 3a of an embankment reinforcing material 3 made of geotextile is connected to a connecting rod. 4 shows an example in which the connecting rod 4 is wound once or several times on the rear surface of the wall panel 10 with a plurality of anchor screws 6.
【００２８】さらに、図７(a),(b) も、この発明の他の
例を示し、丸棒からなる連結棒４を各壁面ブロック１の
背面部に盛り土補強材３の一端３ａとともに止め金具８
で回転しないように強固に固定した例を示したものであ
る。7 (a) and 7 (b) show another embodiment of the present invention, in which a connecting rod 4 composed of a round bar is fixed to the back of each wall block 1 together with one end 3a of the embankment reinforcing material 3. Hardware 8
This is an example in which the lens is firmly fixed so as not to rotate.
【００２９】なお、連結棒４が断面略矩形状をなしてい
る場合は、その形状に合わせて止め金具８も、連結棒４
の把持部分が矩形状に形成されている。When the connecting rod 4 has a substantially rectangular cross section, the stopper 8 is also fitted to the connecting rod 4 in accordance with the shape.
Is formed in a rectangular shape.
【００３０】図８(a) 〜(d) は、このようにして構築さ
れた補強土構造物の一例を示したものである。FIGS. 8A to 8D show an example of the reinforced soil structure constructed in this manner.
【００３１】[0031]
【発明の効果】この発明は以上説明した構成からなり、
特に盛り土補強材の一端を丸棒または角棒からなる棒状
体、あるいは板状体に巻き付け、この連結棒とともに擁
壁材に連結してあるので、盛り土の転圧の際や施工後の
自然沈下などで大きな引っ張り力が作用したとしても、
簡単に破断してしまうようなことはなく、盛り土補強材
は充分にその機能を果たすことができる等の効果があ
る。The present invention has the above-described structure,
In particular, one end of the embankment reinforcing material is wrapped around a rod or plate made of a round bar or square bar and connected to the retaining wall together with this connecting rod, so that it can be naturally settled during rolling of the embankment or after construction Even if a large pulling force acts on
There is no easy breakage, and the embankment reinforcing material has an effect that it can sufficiently fulfill its function.
【００３２】また、連結棒を、盛り土補強材の一端とと
もに擁壁材に形成された凹溝状部に固着することによ
り、盛り土補強材の一端をより強固に擁壁材に連結する
ことができる。Further, by fixing the connecting rod together with one end of the embankment reinforcing material to the concave groove portion formed in the retaining wall material, one end of the embankment reinforcing material can be more firmly connected to the retaining wall material. .
【図１】(a) は盛り土補強材の連結状態を示す補強土構
造物の一部斜視図、(b) と(c)はジオテキスタイルから
なる盛り土補強材と連結棒の一部斜視図、(d) は補強土
構造物の一部斜視図である。FIG. 1 (a) is a partial perspective view of a reinforcing soil structure showing a connection state of an embankment reinforcing material, (b) and (c) are partial perspective views of an embankment reinforcing material made of geotextile and a connecting rod, d) is a partial perspective view of the reinforced soil structure.
【図２】(a),(b),(c) は補強土構造物の一部縦断面図で
ある。FIGS. 2 (a), (b) and (c) are partial longitudinal sectional views of a reinforced soil structure.
【図３】補強土構造物の一部斜視図である。FIG. 3 is a partial perspective view of a reinforcing soil structure.
【図４】(a),(b) は補強土構造物の一部縦断面図、(c)
は盛り土補強材の連結方法を示す一部斜視図である。FIGS. 4A and 4B are partial longitudinal sectional views of a reinforced soil structure, and FIG.
FIG. 4 is a partial perspective view showing a method of connecting the embankment reinforcing material.
【図５】(a),(b) は補強土構造物の一部斜視図である。FIGS. 5A and 5B are partial perspective views of a reinforced soil structure.
【図６】補強土構造物の一部縦断面図である。FIG. 6 is a partial vertical sectional view of a reinforced soil structure.
【図７】(a) は補強土構造物の一部縦断面図、(b) は盛
り土補強材の連結方法を示す一部斜視図である。FIG. 7 (a) is a partial vertical cross-sectional view of a reinforcing soil structure, and FIG. 7 (b) is a partial perspective view showing a method of connecting an embankment reinforcing material.
【図８】(a),(b),(c),(d) は補強土構造物の一部縦断面
図である。8 (a), (b), (c) and (d) are partial longitudinal sectional views of a reinforced soil structure.
【図９】従来の補強土構造物の一例を示す一部縦断面図
である。FIG. 9 is a partial longitudinal sectional view showing an example of a conventional reinforcing soil structure.
１ 壁面ブロック ２ 土砂（盛り土） ３ 盛り土補強材 ３ａ 盛り土補強材の一端 ４ 連結棒 ５ 凹溝状部 ６ アンカービス ７ 連結キー ８ 止め金具 ９ 凹溝状部 10 壁面パネル 11 充填材 REFERENCE SIGNS LIST 1 wall block 2 earth and sand (fill) 3 fill reinforcement 3 a one end of fill reinforcement 4 connecting rod 5 concave groove 6 anchor screw 7 connecting key 8 stopper 9 concave groove 10 wall panel 11 filler
Claims (6)
置し、この複数の擁壁材からなる擁壁の背面側に盛り土
を充填し、かつこの盛り土内にジオテキスタイルからな
る盛り土補強材を複数、設置するとともに、その一端を
前記擁壁材に連結することにより構築される補強土構造
物において、前記盛り土補強材の一端を連結棒に巻きつ
け、かつこの連結棒を擁壁材に固着してなることを特徴
とする補強土構造物。1. A plurality of retaining wall materials are installed in the vertical and horizontal directions, a fill is filled on the back side of a retaining wall composed of the plurality of retaining wall materials, and a fill reinforcing material made of geotextile is filled in the fill. In a reinforced soil structure constructed by installing a plurality of pieces and connecting one end thereof to the retaining wall material, one end of the embankment reinforcing material is wound around a connecting rod, and the connecting rod is fixed to the retaining wall material. A reinforced earth structure characterized by being made.
それぞれ連結してあることを特徴とする請求項１記載の
補強土構造物。2. The reinforced earth structure according to claim 1, wherein the upper and lower retaining wall members are connected to each other via a connection key.
擁壁材に形成された凹溝状部に固着してあることを特徴
とする請求項１又は２記載の補強土構造物。3. The reinforced earth structure according to claim 1, wherein the connecting rod is fixed to a groove-shaped portion formed in the retaining wall material together with one end of the embankment reinforcing material.
材止め、あるいは充填材で固めて固着してあることを特
徴とする請求項１、２または３記載の補強土構造物。4. The reinforced soil structure according to claim 1, wherein the connecting rod is fixed by nailing, screwing or adhesive, or solidified with a filler.
とともに止め金具で固着してあることを特徴とする請求
項１、２または３記載の補強土構造物。5. The reinforced soil structure according to claim 1, wherein the connecting rod is fixed to the retaining wall material together with one end of the embankment reinforcing material with a stopper.
状体または板状体から形成してあることを特徴とする請
求項１、２、３、４又は５記載の補強土構造物。6. The reinforced soil structure according to claim 1, wherein the connecting rod is formed of a rod or a plate made of metal or synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35941997A JPH11190025A (en) | 1997-12-26 | 1997-12-26 | Reinforced soil structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35941997A JPH11190025A (en) | 1997-12-26 | 1997-12-26 | Reinforced soil structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11190025A true JPH11190025A (en) | 1999-07-13 |
Family
ID=18464409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35941997A Pending JPH11190025A (en) | 1997-12-26 | 1997-12-26 | Reinforced soil structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11190025A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040067570A (en) * | 2003-01-24 | 2004-07-30 | (주)레코기술 | Wood for Retaining Wall, Wooden Retaining Wall Structure the Same, and Construction Method thereof |
| WO2014192930A1 (en) * | 2013-05-31 | 2014-12-04 | 独立行政法人農業・食品産業技術総合研究機構 | Reinforcement structure for embankment and method for constructing same |
| JP2024155489A (en) * | 2023-04-21 | 2024-10-31 | ジオファーム株式会社 | Ground reinforcement method |
-
1997
- 1997-12-26 JP JP35941997A patent/JPH11190025A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040067570A (en) * | 2003-01-24 | 2004-07-30 | (주)레코기술 | Wood for Retaining Wall, Wooden Retaining Wall Structure the Same, and Construction Method thereof |
| WO2014192930A1 (en) * | 2013-05-31 | 2014-12-04 | 独立行政法人農業・食品産業技術総合研究機構 | Reinforcement structure for embankment and method for constructing same |
| JPWO2014192930A1 (en) * | 2013-05-31 | 2017-02-23 | 国立研究開発法人農業・食品産業技術総合研究機構 | Embankment reinforcement structure and its construction method |
| JP2024155489A (en) * | 2023-04-21 | 2024-10-31 | ジオファーム株式会社 | Ground reinforcement method |
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