JP2768166B2 - Slope plate - Google Patents
Slope plateInfo
- Publication number
- JP2768166B2 JP2768166B2 JP24195892A JP24195892A JP2768166B2 JP 2768166 B2 JP2768166 B2 JP 2768166B2 JP 24195892 A JP24195892 A JP 24195892A JP 24195892 A JP24195892 A JP 24195892A JP 2768166 B2 JP2768166 B2 JP 2768166B2
- Authority
- JP
- Japan
- Prior art keywords
- slope
- plate
- slope plate
- reinforcing
- steel
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 239000011378 shotcrete Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、鋼棒を打込んで斜面
を補強する斜面補強工法において使用される法面プレー
トに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope plate used in a slope reinforcing method for reinforcing a slope by driving a steel rod.
【０００２】[0002]
【従来の技術】斜面の緩みや崩壊を防止するための斜面
補強工法の一つとして鉄筋補強土工法が知られている。
この工法は、例えば図３（ａ）及び（ｂ）に示すよう
に、斜面を形成する地山Ｅを削孔し、その中に鋼棒すな
わち鉄筋２を挿入するとともに、グラウト材１を注入し
て鉄筋２の周囲を固め、さらに斜面から突出する鉄筋２
の露出側端部には一辺が１０〜１５cm程度の大きさの法
面プレート３を挿通し、ナット４をねじ込むことにより
これを斜面に定着固定する。また、斜面を覆って吹き付
けコンクリート６を補強するためのラス鋼５が張設さ
れ、このラス鋼５は前記法面プレート３によって斜面に
定着されている。2. Description of the Related Art As one of slope reinforcing methods for preventing loosening and collapse of a slope, a reinforced earth method is known.
In this method, as shown in FIGS. 3 (a) and 3 (b), for example, a ground E forming a slope is bored, a steel rod, that is, a reinforcing bar 2 is inserted therein, and a grout material 1 is injected. Hardening the periphery of the rebar 2, and furthermore the rebar 2 protruding from the slope
A side face plate 3 having a side of about 10 to 15 cm is inserted into the exposed side end of the above, and a nut 4 is screwed in to fix it to the slope. A lath steel 5 for covering the slope and reinforcing the sprayed concrete 6 is stretched, and the lath steel 5 is fixed to the slope by the slope plate 3.
【０００３】そして、この工法によれば、鉄筋２がもつ
引張力，せん断力などで地山Ｅの弱点を補うことによ
り、地盤と鉄筋２がもつそれぞれの特性を相互的に有効
活用させさせ地山Ｅを強化することができる。また、こ
の工法では、法面プレート３の定着面積が大きいほど鉄
筋２による補強効果は大きく、したがって鉄筋２による
補強効果をより大きくするには法面プレート３の定着面
積をさらに大きくすることが望まれる。According to this construction method, the weakness of the ground E is compensated for by the tensile force and the shearing force of the reinforcing bar 2 so that the respective characteristics of the ground and the reinforcing bar 2 can be effectively utilized. Mountain E can be strengthened. In this method, the reinforcing effect of the reinforcing bar 2 increases as the fixing area of the slope plate 3 increases. Therefore, in order to increase the reinforcing effect of the reinforcing bar 2, it is desirable to further increase the fixing area of the slope plate 3. It is.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、法面プ
レート３の面積を大きくすると、これに加わる土圧が増
加するため、かかる土圧の増加に対抗すべく法面プレー
ト３の剛性を高める必要を生じる。そして、法面プレー
ト３の剛性を高めにはこれの厚さを大きくする必要があ
るが、厚さを増すと法面プレート３の重量が増大し、し
たがって、斜面における作業性が悪くなるという課題が
生じる。However, when the area of the slope plate 3 is increased, the earth pressure applied thereto increases, so that it is necessary to increase the rigidity of the slope plate 3 in order to cope with the increase in the earth pressure. Occurs. In order to increase the rigidity of the slope plate 3, it is necessary to increase the thickness of the slope plate 3. However, if the thickness is increased, the weight of the slope plate 3 increases, and therefore, the workability on the slope is deteriorated. Occurs.
【０００５】そこで、この発明は上記課題を解消するた
めになされたものであり、その目的は、法面プレートの
重量をできるだけ増加させることなく定着面積を大きく
しかつ剛性を高めることにより、鋼棒による補強効果が
十分に得られるとともに、容易に取付け作業を行なうこ
とのできる法面プレートを提供することにある。Accordingly, the present invention has been made to solve the above-mentioned problem, and an object of the present invention is to increase the fixing area and increase the rigidity of the steel rod without increasing the weight of the slope plate as much as possible. It is an object of the present invention to provide a slope plate which can sufficiently obtain the reinforcing effect by the above and can easily perform the mounting operation.
【０００６】[0006]
【課題を解決するための手段】この発明は上記目的を鑑
みてなされたものであり、その要旨は、自然地山，切土
などの斜面に打込んだ鋼棒により斜面の土圧を支持する
斜面補強工法において使用する、斜面を押えつけるため
の法面プレートにおいて、該法面プレートが、所定幅の
板部材をその側面に沿って立設したものを縦横に組み合
わせて格子状に一体化することにより構成されることを
特徴とする法面プレートにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned object, and a gist of the invention is to support the earth pressure on a slope by a steel rod driven into a slope such as a natural mountain or a cut. In a slope plate for holding down a slope used in a slope reinforcing method, the slope plate is formed by vertically and horizontally combining plate members having a predetermined width along a side surface thereof and integrating them in a lattice shape. The slope plate is characterized by being constituted by:
【０００７】ここで、前記板部材を縦横に組み合わせる
とは、例えば複数の板部材を交差配置して一体化するこ
とにより製作することの他、鋳型等を用いて格子状に一
体形成してもよい。Here, combining the plate members vertically and horizontally means, for example, that a plurality of plate members are arranged in an intersecting manner and integrated, or that they are integrally formed in a grid using a mold or the like. Good.
【０００８】[0008]
【作用】上記法面プレートによれば、板部材をその側面
に沿って立設したものを縦横に組み合わせ一体化して構
成されるので、斜面への定着面積を大きくとりかつその
剛性を増加するために厚みを増しても、格子状に配設さ
れた板部材の間は多数の開口が形成されているので重量
の増加は少ない。したがって斜面における取り付け作業
を容易にするとともに、広い面積で斜面に定着固定され
て鋼棒による補強効果を十分に発揮させることができ
る。According to the above-mentioned slope plate, since the plate member which is erected along the side surface is vertically and horizontally combined and integrated, the fixing area on the slope is increased and the rigidity thereof is increased. Even if the thickness is increased, the number of openings is formed between the plate members arranged in a lattice, so that the weight increase is small. Therefore, the mounting work on the slope can be facilitated, and the steel bar can be fixed and fixed to the slope over a wide area to sufficiently exert the reinforcing effect by the steel bar.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図面を用いて詳細
に説明する。図１（ａ），（ｂ）はこの発明にかかる格
子状の法面プレート１０を用いた鉄筋補強土工法を示す
ものである。なお、図において、従来のものと同一の箇
所には同一の符号を付し、異なる部分にのみ異なる符号
を用いて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. FIGS. 1 (a) and 1 (b) show a reinforced earth method using a grid-shaped slope plate 10 according to the present invention. In the drawings, the same parts as those in the related art will be denoted by the same reference numerals, and only different parts will be described using different reference numerals.
【００１０】図における鉄筋補強土工法は、従来のもの
とほぼ同様に、斜面を削孔し、その中に鋼棒すなわち鉄
筋２を挿入するとともに、グラウト材１を注入して鉄筋
２の周囲を固め、さらに斜面から突出する鉄筋２の露出
側端部には一辺が１０〜１００cm程度厚さが７〜１０cm
程度の大きさの格子状の法面プレート１０を挿通し、ナ
ット４をねじ込むことによりこれを斜面に定着固定す
る。また、斜面を覆って吹き付けコンクリート６を補強
するためのラス鋼５が張設され、このラス鋼５は前記法
面プレート１０によって斜面に定着されている。[0010] In the reinforcing steel reinforcement method shown in the figure, a slope is drilled, a steel rod, that is, a reinforcing bar 2 is inserted into the slope, and a grout material 1 is injected into the reinforcing bar to substantially surround the reinforcing bar 2 in the same manner as the conventional method. On the exposed side end of the reinforcing bar 2 that protrudes from the slope, the side is about 10 to 100 cm and the thickness is 7 to 10 cm.
A grid-shaped slope plate 10 of approximately the same size is inserted, and the nut 4 is screwed in to fix it to the slope. A lath steel 5 for covering the slope and reinforcing the sprayed concrete 6 is stretched, and the lath steel 5 is fixed to the slope by the slope plate 10.
【００１１】そして、この発明にかかる格子状の法面プ
レート１０は、図２に拡大して示すように、例えば鋼板
等からなる所定幅の板部材１２をこれの側面に沿って立
設するとともに、縦横に交差配置して一体化することに
より構成され、従来の法面プレートに比べて大きな定着
面積を有するとともに、前記板部材１２の幅に対応する
所定の厚さを備え、これによって支持すべき土圧に抵抗
するための十分な剛性を有している。また一方で、法面
プレート１０の内部は板部材１２によって仕切られる空
間、すなわち多数の開口からなるので、大きな定着面積
及び剛性を有するにもかかわらずその重量は軽量で、し
たがって斜面における定着設置作業を容易に行なうこと
ができる。また、法面プレート１０の中央に位置する開
口にはボス部１４が形成され、さらにこのボス部１４に
は中央を貫通して、前記鉄筋２の露出側端部に挿通され
る鉄筋挿通孔１５が孔設されている。As shown in an enlarged view in FIG. 2, the grid-shaped slope plate 10 according to the present invention has a plate member 12 of a predetermined width made of, for example, a steel plate or the like, which is erected along the side surface thereof. , And has a larger fixing area than a conventional slope plate, and has a predetermined thickness corresponding to the width of the plate member 12 to support it. It has sufficient rigidity to resist the necessary earth pressure. On the other hand, since the inside of the slope plate 10 is composed of a space partitioned by the plate member 12, that is, a large number of openings, the weight is lightweight despite having a large fixing area and rigidity. Can be easily performed. A boss portion 14 is formed in an opening located at the center of the slope plate 10, and the boss portion 14 penetrates the center and is inserted into the exposed end of the reinforcing bar 2. Are provided.
【００１２】そして、以上の構成を有する格子状の法面
プレート１０を用いた鉄筋補強土工法では、法面プレー
ト１０が斜面に定着する面積が大きいので、鉄筋による
斜面の補強効果を十分に発揮させることができるとも
に、十分な剛性を有するので土圧による変形を生じな
い。In the reinforced earth construction method using the grid-shaped slope plate 10 having the above-described structure, the slope plate 10 has a large area where the slope plate 10 is fixed to the slope, so that the reinforcing effect of the slope by the reinforcement is sufficiently exhibited. And has sufficient rigidity to prevent deformation due to earth pressure.
【００１３】また、かかる格子状の法面プレート１０を
含む法面に吹き付けコンクリート６を吹き付ければ、格
子の隙間にコンクリート６が充填されて機能的，美観的
に優れた法面を形成することができる。Further, if the spray concrete 6 is sprayed on the slope including the lattice-shaped slope plate 10, concrete 6 is filled in the gaps between the lattices to form a functional and aesthetically superior slope. Can be.
【００１４】[0014]
【発明の効果】以上詳細に説明したように、この発明に
かかる法面プレートによれば、重量の増加を押さえつつ
斜面への定着面積及び剛性を増すことができるので、鋼
棒による斜面の補強効果を容易に高めることができる。
すなわち、法面変形の抑制や掘削に伴う地盤の緩みの防
止を効率良く行なうことができるとともに、鋼棒の配設
ピッチを大きくしたり、鋼棒の長さを短くすることによ
り経済的に斜面の補強を行なうことができる。As described above in detail, the slope plate according to the present invention can increase the fixing area on the slope and the rigidity while suppressing an increase in weight. The effect can be easily increased.
In other words, it is possible to efficiently control the slope deformation and prevent the ground from loosening due to excavation, and to increase the pitch of the steel rods or shorten the length of the steel rods to economically improve the slope. Can be reinforced.
【図１】（ａ）はこの発明にかかる法面プレートを用い
た鉄筋補強土工法の平面説明図である。（ｂ）は同断面
説明図である。FIG. 1 (a) is an explanatory plan view of a reinforced earth method using a slope plate according to the present invention. (B) is the same sectional explanatory view.
【図２】この発明にかかる法面プレートの斜視図であ
る。FIG. 2 is a perspective view of a slope plate according to the present invention.
【図３】（ａ）は従来の鉄筋補強土工法の平面説明図で
ある。（ｂ）は同断面説明図である。FIG. 3 (a) is an explanatory plan view of a conventional reinforcing steel reinforced earth method. (B) is the same sectional explanatory view.
２ 鉄筋 ４ ナット ５ ラス鋼 ６ 吹き付けコンクリート １０ 法面プレート １２ 板部材 １４ ボス部 １５ 鉄筋挿通孔 2 Reinforcing bar 4 Nut 5 Lath steel 6 Shotcrete 10 Slope plate 12 Plate member 14 Boss 15 Rebar insertion hole
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) E02D 17/20 106 E02D 17/20 103──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) E02D 17/20 106 E02D 17/20 103
Claims (1)
棒により斜面の土圧を支持する斜面補強工法において使
用する、斜面を押えつけるための法面プレートにおい
て、該法面プレートが、所定幅の板部材をその側面に沿
って立設したものを縦横に組み合わせて格子状に一体化
することにより構成されることを特徴とする法面プレー
ト。1. A slope plate for holding down a slope, which is used in a slope reinforcing method for supporting earth pressure on the slope by a steel rod driven into a slope such as a natural mountain or a cut. Wherein a plate member having a predetermined width is erected along a side surface thereof, and is combined vertically and horizontally to be integrated in a grid-like manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24195892A JP2768166B2 (en) | 1992-09-10 | 1992-09-10 | Slope plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24195892A JP2768166B2 (en) | 1992-09-10 | 1992-09-10 | Slope plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0688341A JPH0688341A (en) | 1994-03-29 |
| JP2768166B2 true JP2768166B2 (en) | 1998-06-25 |
Family
ID=17082112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24195892A Expired - Lifetime JP2768166B2 (en) | 1992-09-10 | 1992-09-10 | Slope plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2768166B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4676660B2 (en) * | 2001-09-14 | 2011-04-27 | 株式会社ダイクレ | Greening panel |
| JP6296963B2 (en) * | 2014-11-17 | 2018-03-20 | 公益財団法人鉄道総合技術研究所 | Natural ground reinforcement method and structure |
-
1992
- 1992-09-10 JP JP24195892A patent/JP2768166B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0688341A (en) | 1994-03-29 |
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