JPH0739665B2 - Basic structure of retaining wall block - Google Patents
Basic structure of retaining wall blockInfo
- Publication number
- JPH0739665B2 JPH0739665B2 JP13184192A JP13184192A JPH0739665B2 JP H0739665 B2 JPH0739665 B2 JP H0739665B2 JP 13184192 A JP13184192 A JP 13184192A JP 13184192 A JP13184192 A JP 13184192A JP H0739665 B2 JPH0739665 B2 JP H0739665B2
- Authority
- JP
- Japan
- Prior art keywords
- steel material
- connecting steel
- concrete
- plate
- base plate
- 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
Landscapes
- Retaining Walls (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、工場生産された擁壁ブ
ロックを積み上げるときの基礎構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foundation structure for stacking retaining wall blocks produced in a factory.
【０００２】[0002]
【従来の技術】従来の擁壁ブロックの接合構造では、実
願平２−１２５４７５号に開示されたように、上下の擁
壁ブロックの各縦孔に連結用鋼材を貫通して挿入し、中
央孔にて連結用鋼材に嵌合した位置決め盤を上側の擁壁
ブロックの縦孔の上端拡大部に嵌め入れ、鋼材の上端螺
子部に螺合したカプラーを位置決め盤の上面に当接させ
て、上下の擁壁ブロックを締め付け連結し、上下の各縦
孔にグラウトを注入して連結用鋼材を上下の擁壁ブロッ
クに定着し、カプラーに次段側の連結用鋼材の下端螺子
部を螺合し、カプラーを次段の擁壁ブロックの縦孔の下
端拡大部に収容する。2. Description of the Related Art In a conventional retaining wall block joining structure, as disclosed in Japanese Patent Application No. 2-125475, a connecting steel material is inserted through each vertical hole of upper and lower retaining wall blocks, Insert the positioning board fitted into the connecting steel material in the hole into the upper end enlarged part of the vertical hole of the upper retaining wall block, and bring the coupler screwed into the upper end screw part of the steel material into contact with the upper surface of the positioning board. Tighten and connect the upper and lower retaining wall blocks, inject grout into the upper and lower vertical holes to fix the connecting steel material to the upper and lower retaining wall blocks, and screw the lower end screw part of the connecting steel material on the next stage to the coupler. Then, the coupler is housed in the expanded lower end portion of the vertical hole of the retaining wall block in the next stage.
【０００３】このような接合構造においては、鉄筋コン
クリート製の基礎構造に埋設された最下方の連繋用鋼材
が適正な位置に設定されていないと、最下段の擁壁ブロ
ックの縦孔に連結用鋼材の上端螺子部を挿入してカプラ
ーを螺合することができないか、無理に挿入したときに
は擁壁ブロックが適正位置に積み上げられないことにな
る。In such a joint structure, if the lowermost connecting steel material embedded in the reinforced concrete foundation structure is not set at an appropriate position, the connecting steel material is inserted in the vertical hole of the lowermost retaining wall block. It is not possible to insert the upper end screw part of the above into the coupler, or when the coupler is forcibly inserted, the retaining wall blocks cannot be stacked at the proper position.
【０００４】このような連繋用鋼材の位置の狂いは、基
礎構造の打設用型枠または鉄筋組立体に対する連結用鋼
材の固定支持が不充分であるとき、基礎コンクリートの
打設時や締固め時に発生する。[0004] Such misalignment of the connecting steel materials is caused by insufficient fixing and supporting of the connecting steel materials to the casting formwork or the reinforcing bar assembly of the foundation structure, when the foundation concrete is poured or compacted. Occurs at times.
【０００５】基礎コンクリートの硬化後の段階で連繋用
鋼材の位置の狂いが発見されたときには、連繋用鋼材を
打撃や押引きによって所要角度だけ折り曲げ、上端螺子
部の突出方向を修正する必要があるが、このような修正
作業は煩雑であるだけでなく、上端螺子部を損傷してカ
プラーの螺合に支障を生じることがある。また、狂いが
大きいときには、当該部分の基礎コンクリートを破壊し
て、連繋用鋼材を深い所から位置修正する必要があり、
これは工期の相当な遅延を招いた。When the position error of the connecting steel material is found in the stage after hardening of the basic concrete, it is necessary to bend the connecting steel material by a required angle by hitting or pushing and pulling to correct the protruding direction of the upper end screw portion. However, such a correction work is not only complicated, but the upper end screw portion may be damaged and the screwing of the coupler may be hindered. Also, when the deviation is large, it is necessary to destroy the basic concrete of the part and correct the position of the connecting steel material from a deep place,
This caused a considerable delay in the construction period.
【０００６】[0006]
【発明が解決しようとする課題】従って本発明の目的
は、連繋用鋼材を適正位置に固定することができるた
め、上端螺子部の煩雑な折り曲げ修正が一切不要であ
り、カプラーの螺合支障の恐れなしに連繋用鋼材と連結
用鋼材の接合作業および擁壁ブロックの積み上げ作業を
能率良く進められる、擁壁ブロックの基礎構造を提供す
ることである。SUMMARY OF THE INVENTION Therefore, the object of the present invention is to fix the connecting steel material at an appropriate position, so that no complicated bending correction of the upper end screw portion is required and the screwing trouble of the coupler is prevented. It is an object of the present invention to provide a basic structure of a retaining wall block that can efficiently perform a joining work of a connecting steel material and a connecting steel material and a stacking operation of a retaining wall block without fear.
【０００７】[0007]
【課題を解決するための手段】以下、添付図面中の参照
符号を用いて説明すると、本発明の基礎構造では、Ｈ型
材またはＵ型材より成る基礎プレート１の両フランジ板
部１ａ，１ａを均しコンクリート２の上面２ａに当接さ
せ、基礎プレート１の取付板部３の透孔４にアンカーボ
ルト５を挿通し、アンカーボルト５の下部を均しコンク
リート２に穿設したアンカーホール６に固着し、アンカ
ーボルト５の上部にナット７を螺合して基礎プレート１
を均しコンクリート２に締付け固着する。In the basic structure of the present invention, both flange plate portions 1a, 1a of a base plate 1 made of an H-shaped material or a U-shaped material are leveled. The concrete bolt 2 is brought into contact with the upper surface 2a of the concrete plate 2, the anchor bolt 5 is inserted into the through hole 4 of the mounting plate portion 3 of the foundation plate 1, and the lower portion of the anchor bolt 5 is leveled and fixed to the anchor hole 6 drilled in the concrete 2. Then, the nut 7 is screwed onto the upper part of the anchor bolt 5, and the base plate 1
Is leveled and tightened and fixed to the concrete 2.
【０００８】基礎プレート１のウェブ板部１ｂの垂直螺
子孔８に下端螺子部１０をねじ込み固着した複数本の連
繋用鋼材９の上部を鉄筋組立体１１より突出させ、各連
繋用鋼材９の上部に幅止めプレート１２を透孔１３にて
嵌め合わせ、連繋用鋼材９の上端螺子部１４に上段側の
連結用鋼材１５の接合用カプラー１６を螺合し、基礎プ
レート１と鉄筋組立体１１と連繋用鋼材９の主体部分と
を埋め込むように基礎コンクリート１７を打設し、カプ
ラー１６の上部を基礎コンクリート１７の上面１７ａか
ら突出させる。[0008] The upper part of each of the connecting steel members 9 is made to protrude from the reinforcing bar assembly 11 by projecting the upper parts of a plurality of connecting steel members 9 into which the lower screw parts 10 are screwed and fixed into the vertical screw holes 8 of the web plate part 1b of the base plate 1. The width stop plate 12 is fitted in the through hole 13 and the upper end screw portion 14 of the connecting steel material 9 is screwed with the joining coupler 16 of the connecting steel material 15 on the upper stage side to form the base plate 1 and the reinforcing bar assembly 11. A base concrete 17 is poured so as to embed the main portion of the connecting steel material 9, and the upper portion of the coupler 16 is projected from the upper surface 17a of the base concrete 17.
【０００９】[0009]
【作用】擁壁を築造する地盤を所定深さに掘削し、掘削
部に均しコンクリート２を打設し、均しコンクリート２
の上面２ａを水平に仕上げ、均しコンクリート２の上面
２ａに位置決め線を描く。基礎プレート１のウェブ板部
１ｂの垂直螺子孔８に複数本の連繋用鋼材９の下端螺子
部１０をねじ込み固着し、各連繋用鋼材９を基礎プレー
ト１に対し直角に配置する。[Operation] The ground for constructing the retaining wall is excavated to a predetermined depth, the leveled concrete 2 is placed in the excavated portion, and the leveled concrete 2
The upper surface 2a of the above is finished horizontally, and a positioning line is drawn on the upper surface 2a of the leveled concrete 2. The lower end screw portions 10 of a plurality of connecting steel materials 9 are screwed and fixed in the vertical screw holes 8 of the web plate portion 1b of the base plate 1, and the connecting steel materials 9 are arranged at right angles to the base plate 1.
【００１０】前記位置決め線に合わせて基礎プレート１
を設置し、取付板部３の透孔４よりドリルを挿入してア
ンカーホール６を穿設する。透孔４とアンカーホール６
にアンカーボルト５の下部を挿入して、アンカーボルト
を均しコンクリート２に打ち込み固着する。望ましく
は、アンカーホール６とアンカーボルト５の間の間隙に
は適当なグラウト材を充填する。The base plate 1 according to the positioning line
Then, a drill is inserted through the through hole 4 of the mounting plate portion 3 to form the anchor hole 6. Through hole 4 and anchor hole 6
The lower part of the anchor bolt 5 is inserted into, and the anchor bolt is leveled and driven into the concrete 2 to be fixed. Desirably, the gap between the anchor hole 6 and the anchor bolt 5 is filled with a suitable grout material.
【００１１】レベラーによって基礎プレート１の水平度
を測定し、基礎プレート１が万が一、水平に配置されて
いないときには、取付板部３またはフランジ板部１ａと
均しコンクリート２との間に水平度調整用ライナーを挿
入する。このように基礎プレート１を水平状態に確保し
てから、アンカーボルト５にナット７を嵌め合わせ、基
礎プレート１を均しコンクリート２に締付け固着する。The levelness of the foundation plate 1 is measured by a leveler, and if the foundation plate 1 is not arranged horizontally, the levelness between the mounting plate portion 3 or the flange plate portion 1a and the leveling concrete 2 is adjusted. Insert the liner. After securing the base plate 1 in the horizontal state in this way, the nut 7 is fitted to the anchor bolt 5, and the base plate 1 is leveled and fixed to the concrete 2.
【００１２】所要本数の縦鉄筋と横鉄筋を組み立て、鉄
筋組立体１１より連繋用鋼材９の上部を突出させ、幅止
めプレート１２の透孔１３に各連繋用鋼材９の上部を嵌
めて連繋用鋼材９，９の相対移動を阻止する。各連繋用
鋼材９の上端螺子部１４にカプラー１６を螺合し、ガム
テープなどでカプラー１６の上面開口を閉塞防護したた
後、基礎コンクリート１７を打設する。この基礎コンク
リート１７の打設時における連繋用鋼材９の変位は幅止
めプレート１２によって阻止される。The required number of vertical rebars and horizontal rebars are assembled, the upper part of the connecting steel material 9 is projected from the reinforcing bar assembly 11, and the upper part of each connecting steel material 9 is fitted into the through hole 13 of the width stop plate 12 for connecting. It prevents relative movement of the steel materials 9, 9. The coupler 16 is screwed into the upper end screw portion 14 of each connecting steel material 9, and the upper surface opening of the coupler 16 is blocked and protected by a gum tape or the like, and then the foundation concrete 17 is poured. The displacement of the connecting steel material 9 at the time of placing the basic concrete 17 is prevented by the width stop plate 12.
【００１３】[0013]
【実施例】図示の実施例では、基礎プレート１はＨ形鋼
で構成され、連繋用鋼材９は１個の基礎プレート１に対
し３本一組で使用され、各連繋用鋼材９は等長に設定さ
れている。アンカーボルト５としては、中央部のカム棒
を打撃することによって下部スカートが拡開してアンカ
ーホール６の内面に食い付く方式のアンカーボルトが使
用されている。ウェブ板部１ｂの垂直螺子孔８は、ウェ
ブ板部１ｂの下面側に溶接したナットによって構成され
ている。In the illustrated embodiment, the foundation plate 1 is made of H-shaped steel, the connecting steel materials 9 are used in a set of three for each foundation plate 1, and each connecting steel material 9 is of equal length. Is set to. As the anchor bolt 5, an anchor bolt of a type in which a lower skirt is expanded by hitting a central cam rod and bites into the inner surface of the anchor hole 6 is used. The vertical screw hole 8 of the web plate portion 1b is composed of a nut welded to the lower surface side of the web plate portion 1b.
【００１４】なお、ウェブ板部１ｂの肉厚を厚く設定す
れば、垂直螺子孔８はウェブ板部１ｂそれ自体に設ける
こともできる。また、アンカーホール６にナットを埋め
込み固定するか、均しコンクリート２の所定位置にナッ
ト型インサートを埋設して置けば、アンカーボルト５と
しては、通常のボルトを使用することができる。The vertical screw holes 8 may be provided in the web plate portion 1b itself if the thickness of the web plate portion 1b is set thick. Further, if a nut is embedded and fixed in the anchor hole 6 or a nut type insert is embedded at a predetermined position of the leveling concrete 2, a normal bolt can be used as the anchor bolt 5.
【００１５】この基礎構造のカプラー１６には、最下段
の擁壁ブロック１８の接合用縦孔１９に嵌挿される連結
用鋼材１５の下端螺子部が螺合される。接合用縦孔１９
にはグラウト材２０が注入され、これによって連結用鋼
材１５は擁壁ブロック１８に定着されている。グラウト
材２０は擁壁ブロック１８の端面凹部２１にも充填さ
れ、これによってカプラー１６は擁壁ブロック１８に定
着されている。連結用鋼材１５の上端螺子部には次段の
カプラー２２が螺合される。以下、これらの工程を順次
繰り返すことによって、基礎コンクリート１７の上面に
所要高さの擁壁が築造される。The lower end screw portion of the connecting steel material 15 fitted in the joining vertical hole 19 of the lowermost retaining wall block 18 is screwed into the coupler 16 of the basic structure. Vertical hole for joining 19
A grout material 20 is injected into the steel, and the connecting steel material 15 is thereby fixed to the retaining wall block 18. The grout material 20 is also filled in the end surface recess 21 of the retaining wall block 18, whereby the coupler 16 is fixed to the retaining wall block 18. The coupler 22 at the next stage is screwed into the upper end screw portion of the connecting steel material 15. Hereinafter, a retaining wall having a required height is built on the upper surface of the foundation concrete 17 by sequentially repeating these steps.
【００１６】[0016]
【発明の効果】以上のように本発明の基礎構造では、Ｈ
型材またはＵ型材製の基礎プレート１のフランジ板部１
ａ，１ａを均しコンクリート２の上面２ａに当接させ、
基礎プレート１の取付板部３をアンカーボルト５とナッ
ト７によって均しコンクリート２に締付け固着し、基礎
プレート１のウェブ板部１ｂにねじ込み固着した複数本
の連繋用鋼材９の上部を鉄筋組立体１１より突出させ、
各連繋用鋼材９の上部に幅止めプレート１２を嵌め合わ
せ、各連繋用鋼材９に螺合したカプラー１６を基礎コン
クリート１７の上面１７ａから突出させたものであり、
基礎プレート１が水平状態に安定して均しコンクリート
２に固着され、各連繋用鋼材９が幅止めプレート１２に
よって鉛直状態に的確に保持されるため、連繋用鋼材９
の煩雑な折り曲げ修正の作業が一切不要であり、カプラ
ー１６の螺合支障の恐れなしに、連繋用鋼材９と連結用
鋼材１５の接合作業および擁壁ブロック１８の積み上げ
作業を能率良く進められる。As described above, in the basic structure of the present invention, H
Flange plate part 1 of base plate 1 made of mold material or U-shape material
a, 1a are leveled and brought into contact with the upper surface 2a of the concrete 2,
The mounting plate portion 3 of the base plate 1 is leveled with the anchor bolts 5 and nuts 7 and fixed to the concrete 2 by tightening, and the upper portion of the plurality of connecting steel materials 9 screwed and fixed to the web plate portion 1b of the base plate 1 is attached to the reinforcing bar assembly. 11 more than
The width stop plate 12 is fitted to the upper portion of each connecting steel material 9, and the coupler 16 screwed into each connecting steel material 9 is projected from the upper surface 17a of the basic concrete 17,
Since the foundation plate 1 is stably fixed in a horizontal state to the leveling concrete 2 and each connecting steel material 9 is accurately held in the vertical state by the width stop plate 12, the connecting steel material 9
No complicated bending correction work is required, and the work of joining the connecting steel material 9 and the connecting steel material 15 and the work of stacking the retaining wall block 18 can be efficiently performed without fear of screwing the coupler 16.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例に係る基礎構造を用いた擁壁
の右側面図である。FIG. 1 is a right side view of a retaining wall using a foundation structure according to an embodiment of the present invention.
【図２】該基礎構造の要部拡大縦断面図である。FIG. 2 is an enlarged vertical sectional view of a main part of the basic structure.
【図３】該基礎構造に用いた幅止めプレートおよび基礎
プレートの斜視図である。FIG. 3 is a perspective view of a width stop plate and a base plate used in the base structure.
１ 基礎プレート １ａ フランジ板部 １ｂ ウェブ板部 ２ 均しコンクリート ２ａ 上面 ３ 取付板部 ４ 透孔 ５ アンカーボルト ６ アンカーホール ７ ナット ８ 螺子孔 ９ 連繋用鋼材 １０ 下端螺子部 １１ 鉄筋組立体 １２ 幅止めプレート １３ 透孔 １４ 上端螺子部 １５ 連結用鋼材 １６ カプラー １７ 基礎コンクリート １８ 擁壁ブロック １９ 接合用縦孔 ２０ グラウト材 ２１ 凹部 ２２ カプラー 1 Foundation plate 1a Flange plate part 1b Web plate part 2 Leveling concrete 2a Upper surface 3 Mounting plate part 4 Through hole 5 Anchor bolt 6 Anchor hole 7 Nut 8 Screw hole 9 Connecting steel material 10 Lower end screw part 11 Reinforcing bar assembly 12 Width stop Plate 13 Through hole 14 Upper screw part 15 Steel material for connection 16 Coupler 17 Basic concrete 18 Retaining wall block 19 Vertical hole for joining 20 Grout material 21 Recess 22 Coupler
Claims (1)
ト１の両フランジ板部１ａ，１ａを均しコンクリート２
の上面２ａに当接させ、水平に配置した基礎プレート１
の取付板部３の透孔４にアンカーボルト５を挿通し、ア
ンカーボルト５の下部を均しコンクリート２に穿設した
アンカーホール６に打ち込み固着し、アンカーボルト５
の上部にナット７を螺合して基礎プレート１を均しコン
クリート２に締付け固着し、基礎プレート１のウェブ板
部１ｂの垂直螺子孔８に下端螺子部１０をねじ込み固着
した複数本の連繋用鋼材９の上部を、鉄筋組立体１１よ
り突出させ、各連繋用鋼材９の上部に幅止めプレート１
２を透孔１３にて嵌め合わせ、連繋用鋼材９の上端螺子
部１４に上段側の連結用鋼材１５の接合用カプラー１６
を螺合し、基礎プレート１と鉄筋組立体１１と連繋用鋼
材９の主体部分とを埋め込むように基礎コンクリート１
７を打設し、カプラー１６の上部を基礎コンクリート１
７の上面１７ａから突出させた擁壁ブロックの基礎構
造。1. A concrete plate 2 in which both flange plate portions 1a, 1a of a base plate 1 made of H-shaped material or U-shaped material are leveled.
The base plate 1 which is placed horizontally by abutting on the upper surface 2a of the
Anchor bolts 5 are inserted into the through holes 4 of the mounting plate portion 3 of FIG.
Nuts 7 are screwed onto the upper part of the base plate 1 and the base plate 1 is leveled and tightened and fixed to the concrete 2, and the lower end screw parts 10 are screwed and fixed into the vertical screw holes 8 of the web plate part 1b of the base plate 1 for connection. The upper part of the steel material 9 is projected from the reinforcing bar assembly 11, and the width stop plate 1 is provided on the upper part of each connecting steel material 9.
2 is fitted in the through hole 13 and the coupler 16 for joining the connecting steel material 15 on the upper stage side to the upper end screw portion 14 of the connecting steel material 9
By screwing the base plate 1, the rebar assembly 11 and the main portion of the connecting steel material 9 into the base concrete 1 so as to be embedded.
7 is placed, and the upper part of the coupler 16 is the foundation concrete 1
The basic structure of the retaining wall block projected from the upper surface 17a of 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13184192A JPH0739665B2 (en) | 1992-04-24 | 1992-04-24 | Basic structure of retaining wall block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13184192A JPH0739665B2 (en) | 1992-04-24 | 1992-04-24 | Basic structure of retaining wall block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05302339A JPH05302339A (en) | 1993-11-16 |
| JPH0739665B2 true JPH0739665B2 (en) | 1995-05-01 |
Family
ID=15067357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13184192A Expired - Lifetime JPH0739665B2 (en) | 1992-04-24 | 1992-04-24 | Basic structure of retaining wall block |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739665B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004017006B4 (en) * | 2004-04-02 | 2012-03-29 | Aloys Wobben | Method of erecting a tower |
-
1992
- 1992-04-24 JP JP13184192A patent/JPH0739665B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05302339A (en) | 1993-11-16 |
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