JPH0218123Y2 - - Google Patents
Info
- Publication number
- JPH0218123Y2 JPH0218123Y2 JP19816984U JP19816984U JPH0218123Y2 JP H0218123 Y2 JPH0218123 Y2 JP H0218123Y2 JP 19816984 U JP19816984 U JP 19816984U JP 19816984 U JP19816984 U JP 19816984U JP H0218123 Y2 JPH0218123 Y2 JP H0218123Y2
- Authority
- JP
- Japan
- Prior art keywords
- shaped
- front plate
- reinforcing bars
- back plate
- protrusions
- 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 25
- 238000010276 construction Methods 0.000 description 6
- 238000009415 formwork Methods 0.000 description 4
- 241001070941 Castanea Species 0.000 description 2
- 235000014036 Castanea Nutrition 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Retaining Walls (AREA)
Description
【考案の詳細な説明】
本考案は道路、宅地造成地、宅地等の切土又は
盛土等の土留に広く用いられている擁壁に関する
ものである。[Detailed Description of the Invention] The present invention relates to a retaining wall that is widely used for retaining earth for cutting or embanking of roads, residential development sites, housing lots, etc.
従来土留擁壁にはコンクリート擁壁、或はコン
クリートブロツク擁壁が多く用いられているが、
コンクリート擁壁にあつては施工現場に於て基礎
を施工し、型枠を設置し、必要に応じて鉄筋を配
置し、生コンクリートを型枠内に打込んで硬化を
待ち、養生して充分に強度が発生した時点で型枠
を取外し、その後で擁壁裏面に裏込栗石を充填し
て完成するのであるが、完成までには非常に日数
が永くかゝり、施工期間中降雨等の為に裏側の土
砂が崩壊することも稀にはあり、安全面に於て問
題が多かつた。 Conventionally, concrete retaining walls or concrete block retaining walls are often used for earth retaining walls.
For concrete retaining walls, the foundation is constructed at the construction site, the formwork is installed, reinforcing bars are placed as necessary, fresh concrete is poured into the formwork, wait for it to harden, and then the concrete is sufficiently cured. Once the formwork has gained strength, the formwork is removed and the back side of the retaining wall is then filled with back-filling chestnut stone. On rare occasions, the earth and sand on the back side would collapse, posing many safety problems.
又コンクリートブロツク擁壁はコンクリートブ
ロツクが控寸法が殆ど一定であるので背面土圧が
大きい場合には裏込コンクリートを充填する必要
がある。 In addition, since the concrete block retaining wall has almost constant dimensions, it is necessary to fill it with backing concrete if the back earth pressure is large.
本考案は堅牢な擁壁を作業も容易で短期間に完
成出来る様なコンクリートブロツクを提供せんと
するものである。 The present invention aims to provide a concrete block that is easy to work with and can be completed in a short period of time to form a strong retaining wall.
本考案は前面板１の内面に縦に小判形底すぼみ
台状の突起２を複数個並列に設け、この台状の突
起の上端及び下端近くの上部及び下部にＵ字形ア
ンカー鉄筋８を頂部が台状の突起２の前面より突
出しない様に足４を前面板１中に埋設し、背面板
５を前面板１と同形、同大に形成し、前面板１の
上面及び下面の左右に互にすべり落ちずに嵌合す
る様突起６及び凹み７を設け、背面板の内面に小
判形底すぼみ台状の突起８及びＵ字形アンカー鉄
筋９を前面板の突起２及びアンカー鉄筋８と同
形、同大に形成し、これを前面板のものと夫々対
向する様設け、背面板５の内面上部に上端面が背
面板の上端面と同一平面になる様左右に受用突起
１０を設けたコンクリートブロツクの前面板１及
び背面板５の内面に設けたＵ字形アンカー鉄筋８
のＵ字部に、四隅に輪１２を形成し、鉄筋の交叉
部を溶接した井桁状鉄筋１１の輪１２を重ね、両
者にボルト１８を挿通して前面板及び背面板を井
桁状鉄筋にて連結して成る組立式コンクリートブ
ロツクに関するものである。尚１５は座金であ
る。 In the present invention, a plurality of oval-shaped protrusions 2 with concave bottoms are vertically arranged in parallel on the inner surface of the front panel 1, and U-shaped anchor reinforcing bars 8 are installed at the upper and lower parts of the protrusions near the upper and lower ends of the protrusions. The legs 4 are buried in the front plate 1 so as not to protrude from the front surface of the platform-shaped protrusion 2, and the back plate 5 is formed to have the same shape and size as the front plate 1. Protrusions 6 and recesses 7 are provided so that they fit together without sliding down, and oval-shaped protrusions 8 and U-shaped anchor reinforcing bars 9 are provided on the inner surface of the back plate in the same shape as the protrusions 2 and anchor reinforcing bars 8 on the front plate. Concrete blocks are formed to have the same size and are provided so as to face the front plate, respectively, and receiving protrusions 10 are provided on the left and right sides of the upper inner surface of the back plate 5 so that the upper end surface is flush with the upper end surface of the back plate. U-shaped anchor reinforcing bars 8 provided on the inner surfaces of the front plate 1 and back plate 5 of
Rings 12 are formed at the four corners of the U-shaped part, and loops 12 of cross-shaped reinforcing bars 11 are welded at the intersections of the reinforcing bars, and bolts 18 are inserted through both of the rings 12, and the front plate and the back plate are connected with the cross-shaped reinforcing bars. This invention relates to prefabricated concrete blocks that are connected together. Note that 15 is a washer.
次に擁壁の施工について説明する。 Next, we will explain the construction of retaining walls.
基礎コンクリートＢを施工した後、井桁状鉄筋
１１にて前面板１及び背面板５を連結して組立て
たコンクリートブロツクＡの第１段目の第１番目
のブロツクA11を基礎コンクリートＢ上に配設
し、前面板１及び背面板５の右側面に第２番目の
ブロツクA12の前面板及び背面板の左側面を当接
して配設し、以下同様にしてブロツクA11，A14
を配設する。次に第１段目の結合された第１番目
と第２番目のブロツクA11，A12の接合部にまた
がる様、第２段目の第１番目のブロツクA21を載
せ、ブロツクA11，A12の前面板の上端面に設け
た左右の突起６，６に第２段目の第１番目のブロ
ツクA21の下端面の左右に設けた凹み７，７を嵌
合せしめて載せ、次に第１段目の第２番目第３番
目のブロツクA12，A13の接合部にまたがる様こ
のブロツク上に第２段目の第２番目のブロツク
A22を載せ、ブロツクA12，A13の前面板の上端面
に設けた各左右の突起６，６に第２段目の第２番
目のブロツクA22の下端面の左右に設けた凹み
７，７を嵌合して積上げ、以下同様にして右方に
連接し、又同様にして上方に積上げ、第２段目、
第４段目等偶数段目の端の凹欠部には半截のブロ
ツクを配設する。 After constructing the foundation concrete B, the first block A 11 of the first stage of the concrete block A, which is assembled by connecting the front plate 1 and the back plate 5 with cross-shaped reinforcing bars 11 , is placed on the foundation concrete B. The left side surfaces of the front plate and rear plate of the second block A 12 are placed in contact with the right side surfaces of the front plate 1 and rear plate 5, and the blocks A 11 and A 14 are placed in the same manner.
to be placed. Next, the first block A 21 of the second stage is placed so as to span the joint of the connected first and second blocks A 11 and A 12 of the first stage, and the blocks A 11 , The left and right protrusions 6, 6 provided on the upper end surface of the front plate of A 12 are fitted with the recesses 7, 7 provided on the left and right sides of the lower end surface of the first block A 21 in the second stage, and then placed. The second block of the second stage is placed on top of this block, spanning the junction of the second and third blocks A 12 and A 13 of the first stage.
A 22 is placed on each of the left and right protrusions 6, 6 provided on the upper end surface of the front plate of blocks A 12 and A 13 , and recesses 7 provided on the left and right sides of the lower end surface of the second block A 22 in the second stage. , 7 are fitted and stacked, and then connected to the right in the same manner, and stacked upward in the same manner, the second stage,
Half-cut blocks are arranged in the recessed portions at the ends of even-numbered stages such as the fourth stage.
この様にして所要の高さ、所要の長さまでブロ
ツクを積上げる。この際適時段数毎に生コンクリ
ートＣを流し込み充填しては積上げ一体化してコ
ンクリート擁壁を構成する。 In this way, blocks are stacked up to the required height and length. At this time, ready-mixed concrete C is poured and filled at appropriate times for each stage and stacked and integrated to form a concrete retaining wall.
一般にコンクリート擁壁は基部の控厚は厚く、
頂部に至る程控厚が薄い。この様な場合には上段
に至る程井桁鉄筋の控え方向の長さｌの短かいも
のを使用して組立てた前面板と背面板との間隔の
小さいブロツクを上方に至る程順次間隔の小さい
ものを積上げる。この際前面板１は前面が同一平
面になる様積上げるが、背面板５は受用突起１０
に載る様積上げる。この積上げ工程の際適当段数
毎に前面板及び背面板の間に生コンクリートを流
し込み、積上げたブロツクの背後に裏込栗石１４
を充填して擁壁を完成する。 Generally, concrete retaining walls have a thick base.
The thickness is thinner towards the top. In such cases, as you reach the upper level, blocks with shorter distances between the front plate and back plate are assembled by using shorter parallel cross bars with a shorter length l in the direction of the support, and then blocks with smaller gaps are used as you move upwards. pile up. At this time, the front plates 1 are stacked so that the front surfaces are on the same plane, but the rear plate 5 has a receiving protrusion 10.
Stack them up so that they are on top of each other. During this stacking process, pour ready-mixed concrete between the front plate and the back plate every appropriate number of stages, and place 14 pieces of back-filled chestnut stone behind the stacked blocks.
Complete the retaining wall by filling.
尚前記擁壁に及ぼす土圧が甚だしく大きい場合
には必要に応じて前面板と背面板との間に主鉄筋
を縦設し、配力筋を横設することにより更に強固
な擁壁にすることが出来る。 In addition, if the earth pressure exerted on the retaining wall is extremely large, install main reinforcing bars vertically between the front plate and back plate as necessary, and install distribution bars horizontally to make the retaining wall even stronger. I can do it.
本考案によるブロツクは軽量な薄板の前面板と
背面板を井桁状鉄筋にて結合したもの故軽量で取
扱いが容易である。 The block according to the present invention is lightweight and easy to handle because the front plate and the back plate are made of lightweight thin plates and are connected by cross-shaped reinforcing bars.
又井桁状鉄筋は四隅が溶接されていて変形する
ことなく、従つて施工中にブロツクが変形するこ
とがない。又前面板にはずれ止めの為上面に突起
６、下面には凹み７が設けてあるのでブロツクを
確実に所定の位置に保持することが出来る。 In addition, the parallel girder-like reinforcing bars are welded at the four corners and will not deform, so the block will not deform during construction. Furthermore, the front plate has a protrusion 6 on the upper surface and a recess 7 on the lower surface to prevent the block from falling off, so that the block can be held in a predetermined position reliably.
又ブロツクの厚みは井桁状鉄筋の控え長さの違
うものを用いるだけで厚みの違つた擁壁を造るこ
とが出来る。 In addition, retaining walls with different thicknesses can be created by simply using parallel reinforcing bars with different lengths.
又本考案の施工はブロツク積工法に準じた施工
であるので仮設工事の必要なく、又前面板に表面
化粧を施しておけば構築した場合前面に化粧を施
した擁壁が出来る等数々の利点がある。 In addition, since the construction of this invention is based on the block construction method, there is no need for temporary construction, and if the front plate is decorated, a retaining wall with a decoration can be created on the front when the building is constructed. There is.
図面は本考案の一実施例を示すもので、第１図
はブロツクを裏面より見た斜視図、第２図は背面
板の斜視図、第３図はブロツクの中央断面図、第
４図は井桁状鉄筋の正面図、第５図は擁壁の正面
図、第６図は擁壁の断面図、第７図は背部が階段
式擁壁の断面図である。
１……前面板、２……前面板の小判形台状突
起、３……前面板のＵ字形鉄筋、４……Ｕ字形鉄
筋の足、５……背面板、６……前面板の上端面の
突起、７……前面板の下端面の凹み、８……背面
板の小判形台状の突起、９……背面板のＵ字形鉄
筋、１０……受用突起、１１……井桁状鉄筋、１
２……井桁状鉄筋の輪、１３……ボルト、１４…
…栗石。
The drawings show one embodiment of the present invention, in which Fig. 1 is a perspective view of the block seen from the back, Fig. 2 is a perspective view of the back plate, Fig. 3 is a central sectional view of the block, and Fig. 4 is a perspective view of the block. 5 is a front view of the retaining wall, FIG. 6 is a sectional view of the retaining wall, and FIG. 7 is a sectional view of the retaining wall with a stepped back. 1...Front plate, 2...Oval trapezoidal projection on the front plate, 3...U-shaped reinforcing bar on the front plate, 4...Legs of the U-shaped reinforcing bar, 5...Back plate, 6...Top of the front plate Protrusion on the end face, 7... Recess on the lower end face of the front plate, 8... Oval trapezoidal protrusion on the back plate, 9... U-shaped reinforcing bar on the back plate, 10... Receiving protrusion, 11... Cross-shaped reinforcing bar ,1
2... Ring of cross-shaped reinforcing bars, 13... Bolts, 14...
...Kuriishi.
Claims (1)
起２を複数個並列に設け、この台状の突起の上端
の上方部及び下端の下方部にＵ字形アンカー鉄筋
８を垂直になる様足４を前面板１に埋設して取付
け、背面板５を前面板１と同形、同大に形成し、
前面板１の上面及び下面の左右に互に嵌合する
様、突起６及び凹み７を設け、背面板５の内面に
小判形台状の突起８及びＵ字形アンカー鉄筋９を
前面板の小判型底すぼみ台状の突起２及びＵ字形
アンカー鉄筋８と同形、同大に形成し、且つ対向
する様設け、背面板５の内面上部の左右に上面が
背面板の上面と同一平面になる様受用突起１０を
設けたコンクリートブロツクの前面板１及び背面
板５の内面に設けたＵ字形アンカー鉄筋８，９の
Ｕ字部に、四隅に輪１２を形成し、鉄筋の交叉部
を溶接した井桁状鉄筋１１の四隅の輪１２を重
ね、両者にボルト１８を挿通して締付け、前面板
及び背面板を井桁状鉄筋にて連結して成る組立式
コンクリートブロツク。 A plurality of oval-shaped depression-bottomed platform-like protrusions 2 are provided vertically in parallel on the inner surface of the front plate 1, and U-shaped anchor reinforcing bars 8 are vertically attached to the upper part of the upper end and the lower part of the lower end of the platform-shaped protrusions. The legs 4 are embedded and attached to the front plate 1, and the back plate 5 is formed to have the same shape and size as the front plate 1,
Protrusions 6 and recesses 7 are provided on the left and right sides of the upper and lower surfaces of the front plate 1, and oval trapezoidal protrusions 8 and U-shaped anchor reinforcing bars 9 are provided on the inner surface of the back plate 5. They are formed to have the same shape and size as the bottom depression pedestal-shaped protrusion 2 and the U-shaped anchor reinforcing bar 8, and are provided so as to face each other, and are placed on the left and right sides of the upper inner surface of the back plate 5 so that their upper surfaces are flush with the top surface of the back plate. Rings 12 are formed at the four corners of the U-shaped parts of the U-shaped anchor reinforcing bars 8 and 9 provided on the inner surfaces of the front plate 1 and back plate 5 of the concrete block provided with protrusions 10, and the intersecting parts of the reinforcing bars are welded to form a cross-shaped structure. This prefabricated concrete block is made by overlapping rings 12 at the four corners of reinforcing bars 11, inserting and tightening bolts 18 through both, and connecting the front plate and back plate with cross-shaped reinforcing bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19816984U JPH0218123Y2 (en) | 1984-12-31 | 1984-12-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19816984U JPH0218123Y2 (en) | 1984-12-31 | 1984-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61116844U JPS61116844U (en) | 1986-07-23 |
| JPH0218123Y2 true JPH0218123Y2 (en) | 1990-05-22 |
Family
ID=30756931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19816984U Expired JPH0218123Y2 (en) | 1984-12-31 | 1984-12-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218123Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6489568B1 (en) * | 2018-07-17 | 2019-03-27 | 有限会社インパクト | Road widening retaining wall |
| JP6749706B2 (en) * | 2019-01-31 | 2020-09-02 | キッコウ・ジャパン株式会社 | Slope forming block and slope structure |
| JP7141157B1 (en) * | 2022-01-14 | 2022-09-22 | キッコウ・ジャパン株式会社 | Blocks for forming slopes, slope structures, and flood control structures |
-
1984
- 1984-12-31 JP JP19816984U patent/JPH0218123Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61116844U (en) | 1986-07-23 |
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