JPH0339126B2 - - Google Patents
Info
- Publication number
- JPH0339126B2 JPH0339126B2 JP9329185A JP9329185A JPH0339126B2 JP H0339126 B2 JPH0339126 B2 JP H0339126B2 JP 9329185 A JP9329185 A JP 9329185A JP 9329185 A JP9329185 A JP 9329185A JP H0339126 B2 JPH0339126 B2 JP H0339126B2
- Authority
- JP
- Japan
- Prior art keywords
- cells
- reinforcing bars
- connecting reinforcing
- screen
- cell
- 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
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 239000004575 stone Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は砂防ダムあるいは土留擁壁等として
利用されるセルを用いた土留構造物に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an earth retaining structure using cells that is used as an erosion control dam or an earth retaining wall.
従来、砂防ダムの構築においては格子状の箱枠
内に詰め石し、これを主構造物として設置したい
わゆる枠ダムや、鉄筋コンクリート製の一体のダ
ムなどが知られている。
Conventionally, in the construction of sabo dams, so-called frame dams, in which stones are packed inside a lattice-shaped box frame and installed as the main structure, and integrated dams made of reinforced concrete are known.
しかし、前者の場合、近年充填材料としての玉
石、砕石等が高価であり入手困難となつてきたこ
と、後者の場合も施工に手間がかかり、施工費が
高くつくことなどから、出願人は先に特願昭59−
89727号（特願昭60−233224号公報）のセルを用
いた土留構造物を開発している。 However, in the former case, cobblestones, crushed stones, etc. used as filler materials have become expensive and difficult to obtain in recent years, and in the latter case, the construction process is time-consuming and expensive, so the applicant should proceed first. Special request for 1982-
We are developing an earth retaining structure using cells of No. 89727 (Japanese Patent Application No. 60-233224).
上記構造物は鋼製セルを横方向に連設し、セル
を貫通する連結鉄筋のねじを利用して、ゼル内の
形材に固定し、鋼製セルどうしを連結するととも
に土砂等の中詰材で安定させるものである。また
設置に関してはセルを近接させるもののほか、セ
ル間の間隔を広くとり、長尺の連結鉄筋をスクリ
ーン状に配してセル間において通水性をもたせた
ものがある。 The above structure has steel cells arranged horizontally, and is fixed to the section inside the cell using screws of connecting reinforcing bars that pass through the cells.The steel cells are connected to each other and filled with earth and sand. It is stabilized by wood. Regarding installation, in addition to placing the cells close to each other, there are also methods in which the cells are spaced widely and long connecting reinforcing bars are arranged in a screen shape to provide water permeability between the cells.
なお、鋼製セルについては上記出願のように円
弧状に形成された基板複数枚をボルトナツトで連
結し、管状に形成したものや、縦横に分割された
多数の鋼板を連結したもののほか、特願昭59−
222385号（特願昭61−102911号公報）では複数の
フープ筋と多数の鋼矢板で構成したものを開示し
ている。 Regarding steel cells, as in the above-mentioned application, there are those formed into a tubular shape by connecting multiple arc-shaped substrates with bolts and nuts, and those formed by connecting many steel plates divided vertically and horizontally, as well as those formed in the patent application. Showa 59-
No. 222385 (Japanese Patent Application No. 102911/1983) discloses a structure made up of a plurality of hoop reinforcements and a large number of steel sheet piles.
上述のセルを用いた土留構造物は、施工性やコ
スト、構造物自体の強度といつた面で優れている
が次のような問題点がある。
Although the earth retaining structure using the above-mentioned cells is excellent in terms of workability, cost, and strength of the structure itself, it has the following problems.
セルを接して連立させた場場合、不透過とな
り貯水されて、砂防ダムの機能が低下する。 If cells are placed adjacent to each other, they become impermeable and water accumulates, reducing the functionality of the erosion control dam.
セル間を広げて連結鉄筋をスクリーン状に配
した場合、セル間の射水流出により洗掘され
て、セルが不安定となる恐れがある。この発明
は上述のような問題点の解決を目的とするもの
である。 If the connecting reinforcing bars are arranged in a screen-like manner with the spaces between the cells widened, there is a risk that the cells will become unstable due to scour caused by the outflow of water between the cells. This invention aims to solve the above-mentioned problems.
〔問題点を解決するための手段〕
この発明の土留構造物は鋼製セル１を横方向に
複数連設し、該セル１内に中詰砂４を充填してな
る。なお、セル１の底部と頂部には通常鉄筋コン
クリート製のあるいは金網とシート、玉石などを
用いた底版２および頂版３を設ける等して中詰材
４の流出を防止する。[Means for Solving the Problems] The earth retaining structure of the present invention has a plurality of steel cells 1 arranged in a row in the lateral direction, and the cells 1 are filled with sand 4. Note that a bottom plate 2 and a top plate 3 usually made of reinforced concrete or made of wire mesh, sheets, cobblestones, etc. are provided at the bottom and top of the cell 1 to prevent the filling material 4 from flowing out.
隣り合うセル１間はスクリーン状に配した連結
鉄筋７により所定間隔をおいて連結し、このよう
なスクリーン状の連結鉄筋７を前後あるいは上下
（連結鉄筋９，１０）に複数列設け、その中に砕
石類１２を充填する。 Adjacent cells 1 are connected at predetermined intervals by connecting reinforcing bars 7 arranged in a screen shape, and multiple rows of such screen-shaped connecting reinforcing bars 7 are provided in front and back or above and below (connecting reinforcing bars 9 and 10). is filled with crushed stone 12.
このようにして、セル１間については透水性の
ある構造とし、従来の箱枠によるダムと同様の機
能をもたせることができる。 In this way, the space between the cells 1 can be made to have a water-permeable structure, and can have the same function as a conventional box frame dam.
なお、連結鉄筋７の取り付けは、セル１に連詰
鉄筋７を通すための貫通孔を設け、セル１内形材
５に連結鉄筋７のねじ部をナツト１１で固定する
などして行なうことができる。 Note that the connecting reinforcing bars 7 can be attached by providing a through hole in the cell 1 for passing the connecting reinforcing bars 7 through, and fixing the threaded portion of the connecting reinforcing bars 7 to the inner profile 5 of the cell 1 with nuts 11. can.
次に、図示した実施例について説明する。第１
図および第２図は砂防ダムに適用した場合の概観
を、第３図〜第５図をその要部の構造を示したも
ので、溪流等の河床をを段状に掘削し、水小の鋼
製セル１を横断方向に連設するとともに、鋼製セ
ル１どうしを複数のスクリーン状に配した連結鉄
筋７，９，１０で連結し、連結鉄筋７，９，１０
間には砕石類１２を充填し、セル１間に透水性を
もたせてある。
Next, the illustrated embodiment will be described. 1st
Figures 3 and 2 show the general appearance when applied to an erosion control dam, and Figures 3 to 5 show the structure of the main parts. The steel cells 1 are arranged in a row in the transverse direction, and the steel cells 1 are connected to each other by a plurality of connecting reinforcing bars 7, 9, 10 arranged in a screen shape.
The space between the cells 1 is filled with crushed stone 12 to provide water permeability between the cells 1.
なお、図の実施例において、セル１の大きさ
は、両端の小さいものについて直径および高さが
3m、中央の越流部のものについて直径8m、高さ
3m、間の二つについて直径および高さが5m、鋼
製セル１の板厚は６〜７mm、セル１間の間隔は
0.5mのものを想定している。 In addition, in the example shown in the figure, the size of cell 1 is the diameter and height of the small ones at both ends.
3m, diameter of the central overflow part 8m, height
3 m, the diameter and height of the two in between are 5 m, the thickness of steel cell 1 is 6 to 7 mm, and the spacing between cells 1 is
It is assumed that it is 0.5m.
セル１間の底部（段がある場合は上側のセル１
の底部）については第４図に示すように、セル１
を貫通する複数の連結鉄筋９と水平方向に並べ底
部スクリーンｃを形成させる。各連結鉄筋９の両
端部にはねじが形成されており、セル１内に水平
に配したアングル等の水平形材８を貫通させ、ナ
ツト１１で固定してある。 Bottom between cells 1 (upper cell 1 if there is a step)
(bottom of cell 1) as shown in Figure 4.
A plurality of connecting reinforcing bars 9 are arranged horizontally to form a bottom screen c. A screw is formed at both ends of each connecting reinforcing bar 9, which passes through a horizontal member 8 such as an angle placed horizontally within the cell 1, and is fixed with a nut 11.
鉛直方向については、第３図〜第５図に示すよ
うに、底部と同様に複数の連結鉄筋７により前面
部スクリーンａと背面部スクリーンｂを形成さ
せ、上記底部スクリーンｃおよびセル１の側面と
ともに篭状の空間をつくりあげ、この中に砕石類
１２を充填する。連結鉄筋７についてはセル１内
に立設した支柱形材５に両端のねじ部をナツト１
１で固定する。なお図中６はアングル、Ｈ形鋼な
どからなる支柱形材５を支持するための支柱支持
材であり、鉄筋や鉄線等からなりスペーサーの役
割も兼ねている。 In the vertical direction, as shown in FIGS. 3 to 5, a front screen a and a back screen b are formed by a plurality of connecting reinforcing bars 7 in the same way as the bottom, and together with the bottom screen c and the side surface of the cell 1. A basket-shaped space is created, and crushed stone 12 is filled in this space. As for the connecting reinforcing bar 7, connect the threaded portions at both ends to the column 5 installed in the cell 1 with the nuts 1.
Fixed at 1. Reference numeral 6 in the figure is a post support member for supporting the post section 5 made of angle, H-shaped steel, etc., and is made of reinforcing bars, iron wire, etc. and also serves as a spacer.
また、砕石類１２を充填した上面には複数の連
結鉄筋１０を配して頂部スクリーンｄを形成さ
せ、砕石類１２の流出を防止するようになつてい
る。この実施例で、連結鉄筋１０は直接セル１の
貫通孔部分にナツト１１で固定してある。 Moreover, a plurality of connecting reinforcing bars 10 are arranged on the upper surface filled with crushed stones 12 to form a top screen d, so as to prevent the crushed stones 12 from flowing out. In this embodiment, the connecting reinforcing bars 10 are directly fixed to the through holes of the cells 1 with nuts 11.
また、この実施例で、セル１内については底版
２を鉄筋コンクリートとし、土砂を中詰材４とし
て、その上部にコンクリート製の頂版３を設ける
場合を想定しているが、セル１の中詰方法はこれ
に限らない。 In addition, in this embodiment, it is assumed that inside the cell 1, the bottom plate 2 is made of reinforced concrete, earth and sand is used as the filling material 4, and a top plate 3 made of concrete is provided on top of it. The method is not limited to this.
〔発明の効果〕
セル間について、複数列のスクリーン状の連
結鉄筋で囲まれる部分に砕石類を充填してある
ため透過性のある土留構造物とすることができ
る。[Effects of the Invention] Since the portion between the cells surrounded by the multiple rows of screen-like connecting reinforcing bars is filled with crushed stone, a permeable earth retaining structure can be obtained.
セル間部分が従来のいわゆる枠ダムの機能を
有し、射水による洗掘が生じない。 The part between the cells has the function of a conventional so-called frame dam, and scouring by water injection does not occur.
セル間部分に充填した砕石類も構造物の重量
として加算でき、構造物全体として経済的な断
面が設計できる。 The crushed stone filled between the cells can also be added to the weight of the structure, allowing an economical cross-section of the entire structure to be designed.
セル内は一般に安価な土砂（土石）であり、
従来の枠ダム類のように全断面砕石類によるも
のに比べ、経済的である。 The inside of the cell is generally made of cheap earth and sand (soil and stone),
It is more economical than conventional frame dams that are made of crushed stone throughout the entire section.
第１図はこの発明の実施例を示す平面図、第２
図は正面図、第３図は要部の縦断面図、第４図は
その底部の横断面図、第５図は上部の横断面図で
ある。
１……セル、２……底版、３……頂版、４……
中詰材、５……支柱形材、６……支柱支持材、８
……水平形材、７，９，１０……連結鉄筋、１１
……ナツト、１２……砕石類、ａ……前面部スク
リーン、ｂ……背面部スクリーン、ｃ……底部ス
クリーン、ｄ……頂部スクリーン。
Figure 1 is a plan view showing an embodiment of the invention, Figure 2 is a plan view showing an embodiment of the invention.
The figure is a front view, FIG. 3 is a vertical sectional view of the main part, FIG. 4 is a cross-sectional view of the bottom, and FIG. 5 is a cross-sectional view of the top. 1...Cell, 2...Bottom plate, 3...Top plate, 4...
Filling material, 5... Prop profile, 6... Prop support material, 8
...Horizontal section, 7,9,10 ...Connection reinforcing bar, 11
... Nuts, 12 ... Crushed stones, a ... Front screen, b ... Back screen, c ... Bottom screen, d ... Top screen.
Claims (1)
中詰材を充填してなる土留構造物において、隣り
合うセル間を複数列スクリーン状に配した連結鉄
筋により所定間隔をおいて連結し、これらの連結
鉄筋で囲まれる部分に砕石類を充填してなること
を特徴とするセルを用いた土留構造物。1 In an earth retaining structure in which a plurality of steel cells are arranged in a row in the horizontal direction and filled with filler material, adjacent cells are separated by a predetermined interval by connecting reinforcing bars arranged in multiple rows in the form of a screen. An earth retaining structure using cells that are connected and filled with crushed stone in the area surrounded by these connecting reinforcing bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9329185A JPS61250220A (en) | 1985-04-30 | 1985-04-30 | Sheathing structure with cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9329185A JPS61250220A (en) | 1985-04-30 | 1985-04-30 | Sheathing structure with cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61250220A JPS61250220A (en) | 1986-11-07 |
| JPH0339126B2 true JPH0339126B2 (en) | 1991-06-12 |
Family
ID=14078286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9329185A Granted JPS61250220A (en) | 1985-04-30 | 1985-04-30 | Sheathing structure with cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61250220A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5957398B2 (en) * | 2013-03-06 | 2016-07-27 | Ｊｆｅ建材株式会社 | Sabo dam and construction method of sabo dam |
| JP7037449B2 (en) * | 2018-07-20 | 2022-03-16 | 日鉄建材株式会社 | Civil engineering structures such as steel cell dams |
-
1985
- 1985-04-30 JP JP9329185A patent/JPS61250220A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61250220A (en) | 1986-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |