JP3709550B2 - Concrete retaining wall - Google Patents
Concrete retaining wall Download PDFInfo
- Publication number
- JP3709550B2 JP3709550B2 JP26547296A JP26547296A JP3709550B2 JP 3709550 B2 JP3709550 B2 JP 3709550B2 JP 26547296 A JP26547296 A JP 26547296A JP 26547296 A JP26547296 A JP 26547296A JP 3709550 B2 JP3709550 B2 JP 3709550B2
- Authority
- JP
- Japan
- Prior art keywords
- retaining wall
- sheet pile
- concrete retaining
- reinforcing bar
- concrete
- 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 - Fee Related
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Description
【０００１】
【発明の属する技術分野】
本発明はコンクリ−ト擁壁に関するものである。
【０００２】
【発明が解決しようとする課題】
盛土又は切土の斜面の法防護として、従来からコンクリ−ト擁壁が用いられている。コンクリ−ト擁壁は、土圧や水圧により転倒しないように地中に広い底版を施工する必要がある。また、コンクリ−ト擁壁下部の地下水の流れを遮断する必要がある場合は、別途に止水壁を設けなければならなかった。従って、従来のコンクリ−ト擁壁技術は、施工に時間がかかると共に、コストも高くなってしまう。
【０００３】
本発明は、上記のような問題点を解決するためになされたもので、施工時間の短縮とコストの低減を図ることができるコンクリ−ト擁壁を提供することを目的とする。
【０００４】
【課題を解決するための手段】
上記課題を解決するための手段として、地中に埋設した鋼製の矢板と、この矢板の上部に接合して地上に立ち上げた鉄筋と、この鉄筋を埋設して構築したコンクリ−ト壁とよりなることを特徴とする、コンクリ−ト擁壁を提供する。
【０００５】
また、前記矢板の上部に鋼製の鉄筋取付部材を接合し、この鉄筋取付部材に前記鉄筋を接合して構成することを特徴とした、コンクリ−ト擁壁を提供する。
【０００６】
【発明の実施の形態】
以下、図１、２を参照しながら、本発明の一実施の形態について説明する。
＜イ＞鋼製矢板
コンクリ−ト擁壁の基礎として、鋼製の矢板を用いる。鋼製の矢板としては、一般的に鋼矢板といわれる断面がＵ形、Ｚ形、Ｆ形、Ｈ形などの圧延成形したものや、鋼管を用いた鋼管矢板などを用いる。
【０００７】
そして、図１に示すように、これらの鋼製矢板１を、コンクリ−ト擁壁の構築予定場所の地中に設置する。鋼矢板の場合は、バイブロハンマやディ−ゼルハンマなどで地中に打ち込む。鋼管矢板の場合は、ディ−ゼルハンマなどで地中に打ち込むか、ア−スオ−ガで削孔して孔内に立て込む。
【０００８】
＜ロ＞鉄筋取付部材
鋼製矢板１を、それらの継手部を介して連結しながら所定幅で設置した後、それらの上端部に、鋼製の鉄筋取付部材２を溶接等で横架させる。鉄筋取付部材２には、断面Ｃ形、Ｈ形等のチャンネル材を用いる。また、これらのチャンネル材は、長寸のものを横架させてもよいし、短寸のものを複数横架させてもよい。
【０００９】
＜ハ＞鉄筋
鋼製矢板１の上端部に接合した鉄筋取付部材２に、鉄筋３群の下端部を溶接等で接合し、地上部に立ち上げる。この場合、鉄筋３は、図２に示すように、その縦筋の下端部を、鉄筋取付部材２の背面側に溶接して接合するとよい。なお、この鉄筋取付部材２を設けずに、直接、鉄筋３を鋼製矢板１の上部に溶接等で接合する場合も考えられる。
【００１０】
＜ニ＞コンクリ−トの打設
鉄筋３を所定の幅で所定の高さまで組み上げたら、その両面に型枠を組み立てて、型枠内部にコンクリ−トを打設する。これによって、図１に示すような鋼製矢板１を基礎とするコンクリ−ト擁壁４を構築することができる。なお、コンクリ−ト擁壁４の下部地盤に地下水の流動がある場合は、鋼製矢板１により遮断されるため、止水壁の機能も兼ね備えることになる。
【００１１】
＜ホ＞埋め戻し
既設ブロック擁壁５の前面にコンクリ−ト擁壁４を構築する場合は、既設ブロック擁壁５を撤去せずに、それらの擁壁間に埋め戻し６を行うことにより、用地の拡幅部を施工することができる。
【００１２】
【発明の効果】
本発明は以上説明したようになるため、次のような効果を得ることができる。＜イ＞従来のコンクリ−ト擁壁のような広い底版が不要であり、施工時間の短縮とコストの低減を図ることができる。
【００１３】
＜ロ＞コンクリ−ト擁壁の基礎と止水壁とを兼用できるため、従来のように止水壁を別途に構築する必要がない。
【００１４】
＜ハ＞既設のコンクリ−トブロック擁壁の前面に構築することによって、ブロック擁壁の撤去が不要となる。
【図面の簡単な説明】
【図１】 本発明のコンクリ−ト擁壁の説明図
【図２】 本発明のコンクリ−ト擁壁の要部の拡大斜視図[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a concrete retaining wall.
[0002]
[Problems to be solved by the invention]
Conventionally, concrete retaining walls have been used for legal protection of embankments or cut slopes. It is necessary to construct a wide bottom plate in the ground so that the concrete retaining wall does not fall down due to earth pressure or water pressure. In addition, if it was necessary to block the flow of groundwater below the concrete retaining wall, a separate water barrier had to be provided. Therefore, the conventional concrete retaining wall technology takes time for construction and increases the cost.
[0003]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a concrete retaining wall capable of shortening construction time and cost.
[0004]
[Means for Solving the Problems]
As means for solving the above-mentioned problems, a steel sheet pile buried in the ground, a reinforcing bar joined to the top of the sheet pile and set up on the ground, a concrete wall constructed by embedding the reinforcing bar, A concrete retaining wall is provided.
[0005]
Further, a concrete retaining wall is provided, wherein a steel reinforcing bar attachment member is joined to an upper part of the sheet pile, and the reinforcing bar is joined to the reinforcing bar attachment member.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
<I> A steel sheet pile is used as the foundation of the steel sheet pile concrete retaining wall. As the steel sheet pile, a steel sheet pile having a U-shaped, Z-shaped, F-shaped or H-shaped cross section generally called a steel sheet pile, a steel pipe sheet pile using a steel pipe, or the like is used.
[0007]
And as shown in FIG. 1, these steel sheet piles 1 are installed in the underground of the construction planned place of a concrete retaining wall. In the case of a steel sheet pile, it is driven into the ground with a vibro hammer or a diesel hammer. In the case of a steel pipe sheet pile, it is driven into the ground with a diesel hammer or the like, or drilled with an earth ogre and placed in the hole.
[0008]
<B> Reinforcing bar attachment member After the steel sheet pile 1 is installed with a predetermined width while being connected through the joint parts, the steel reinforcing bar attachment member 2 is horizontally mounted on the upper end parts thereof by welding or the like. For the reinforcing bar mounting member 2, a channel material having a C-shaped section, an H-shaped section, or the like is used. In addition, these channel materials may be horizontally long, or a plurality of short materials may be horizontally mounted.
[0009]
<C> The lower end portion of the reinforcing bar 3 group is joined to the reinforcing bar attachment member 2 joined to the upper end portion of the reinforcing steel sheet pile 1 by welding or the like, and is raised to the ground portion. In this case, as shown in FIG. 2, the reinforcing bar 3 may be joined by welding the lower end portion of the vertical reinforcing bar to the back side of the reinforcing bar mounting member 2. In addition, the case where the reinforcing bar 3 is directly joined to the upper part of the steel sheet pile 1 by welding or the like without providing the reinforcing bar attaching member 2 is also conceivable.
[0010]
<D> When the concrete placement reinforcing bars 3 are assembled to a predetermined height with a predetermined width, the molds are assembled on both sides thereof, and the concrete is driven inside the molds. Thereby, the concrete retaining wall 4 based on the steel sheet pile 1 as shown in FIG. 1 can be constructed. In addition, when there is a flow of groundwater in the lower ground of the concrete retaining wall 4, since it is blocked by the steel sheet pile 1, it also has the function of a water blocking wall.
[0011]
<E> When the concrete retaining wall 4 is constructed in front of the existing block retaining wall 5 to be backfilled, the existing block retaining wall 5 is not removed and the
[0012]
【The invention's effect】
Since the present invention has been described above, the following effects can be obtained. <I> A wide bottom plate like a conventional concrete retaining wall is unnecessary, and the construction time and cost can be reduced.
[0013]
<B> Since the foundation of the concrete retaining wall and the water blocking wall can be used together, it is not necessary to construct a water blocking wall separately as in the prior art.
[0014]
<C> By constructing the front of the existing concrete block retaining wall, it is not necessary to remove the block retaining wall.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a concrete retaining wall according to the present invention. FIG. 2 is an enlarged perspective view of a main part of the concrete retaining wall according to the present invention.
Claims (2)
この矢板の上部に接合して地上に立ち上げた鉄筋と、
この鉄筋を埋設して構築したコンクリ−ト壁とよりなることを特徴とする、
コンクリ−ト擁壁。A steel sheet pile buried in the ground,
Reinforcing the reinforcing bars that are joined to the top of this sheet pile and launched on the ground,
It consists of a concrete wall constructed by burying this reinforcing bar,
Concrete retaining wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26547296A JP3709550B2 (en) | 1996-09-13 | 1996-09-13 | Concrete retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26547296A JP3709550B2 (en) | 1996-09-13 | 1996-09-13 | Concrete retaining wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1088592A JPH1088592A (en) | 1998-04-07 |
| JP3709550B2 true JP3709550B2 (en) | 2005-10-26 |
Family
ID=17417651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26547296A Expired - Fee Related JP3709550B2 (en) | 1996-09-13 | 1996-09-13 | Concrete retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3709550B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674862A (en) * | 2015-01-28 | 2015-06-03 | 中铁十六局集团北京轨道交通工程建设有限公司 | Method for repairing underground diaphragm wall after jamming of hydraulic grab |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005421A (en) * | 2014-05-23 | 2014-08-27 | 上海市水利工程设计研究院有限公司 | Double-row pile foundation retaining wall combined with foundation pit support and construction method thereof |
| KR102596812B1 (en) * | 2023-02-21 | 2023-11-01 | 조문선 | Self-supporting retaining wall system based on multi-step structure by selectively measuring of moisture |
-
1996
- 1996-09-13 JP JP26547296A patent/JP3709550B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674862A (en) * | 2015-01-28 | 2015-06-03 | 中铁十六局集团北京轨道交通工程建设有限公司 | Method for repairing underground diaphragm wall after jamming of hydraulic grab |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1088592A (en) | 1998-04-07 |
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