JP3370846B2 - Concrete road side wall - Google Patents
Concrete road side wallInfo
- Publication number
- JP3370846B2 JP3370846B2 JP10962496A JP10962496A JP3370846B2 JP 3370846 B2 JP3370846 B2 JP 3370846B2 JP 10962496 A JP10962496 A JP 10962496A JP 10962496 A JP10962496 A JP 10962496A JP 3370846 B2 JP3370846 B2 JP 3370846B2
- Authority
- JP
- Japan
- Prior art keywords
- wall
- wall body
- recess
- road
- fixing
- 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
- Bridges Or Land Bridges (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、橋梁や道路に設け
られるコンクリート製路側壁に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete road side wall provided on a bridge or a road.
【０００２】[0002]
【発明が解決しようとする課題】ガードフェンスは、主
として走行車線を逸脱した車両が道路外あるいは対向車
線に逸脱することを防止するために設けられるものであ
り、十分な逸脱防止効果を備えていなければならない。
また、ブレーキトラブルなどの緊急事態においては、車
両をフェンスに擦りつけるようにして緊急停止するため
にも用いられ、十分な安定性と衝撃強度が要求される。
さらに、車輌をスムーズに車線復帰させることも要求さ
れる。そして、従来の鋼製ガードフェンスに代わって強
度及び耐久性に優れたコンクリートガードフェンスが広
く用いられるようになっており、例えば、実開平２−１
１８２１号公報（実願昭６３−８８７９９号）では、防
護壁本体の両側下部に定着手段を設け、この定着手段を
介して路盤に固定する（同マイクロフィルム第７頁第３
〜４行）コンクリート防護壁が知られており、また、コ
ンクリートガードフェンスの強度を向上するものとし
て、実開平６−５７９１８号公報（実願平５−１２５８
号）のコンクリートガードフェンスでは、ガードフェン
スの上部には塩ビ製のパイプが埋設され、このパイプに
横締用部材であるＰＣ鋼材が挿通され（実願平５−１２
５８号のマイクロフィルムの第００１１段）、そのＰＣ
鋼材によりコンクリートガードフェンスに緊張力を付与
したコンクリートガードフェンスが知られており、この
コンクリートガードフェンスは、両側下部に設けた取付
用パイプに、アンカーボルトを挿通してコンクリート基
礎に固定（同第００１３段）し、また、ガードフェンス
の幅方向両側をアンカーボルトにより基礎に固定してい
る。さらに、特公平６−２９４９２号公報では、防護壁
ブロックの幅方向両側に側方に突出する脚部を形成し、
この脚部にアンカー受穴を設け、アンカーボルト受穴と
アンカーボルト固定ナットとの間に弾性体を挟み込んだ
ものが提案されている。The guard fence is provided mainly to prevent a vehicle deviating from the driving lane from departing from the road or into an oncoming lane, and must have a sufficient deviation preventing effect. I have to.
Further, in an emergency situation such as a brake trouble, it is also used for making an emergency stop by rubbing the vehicle against a fence, and sufficient stability and impact strength are required.
Further, it is required that the vehicle be smoothly returned to the lane. Further, concrete guard fences having excellent strength and durability have been widely used in place of the conventional steel guard fences.
In Japanese Patent No. 1821 (Jpn. Pat. Appln. No. 63-88799), fixing means are provided on the lower portions of both sides of the protective wall body, and the fixing means is fixed to the roadbed through the fixing means (the same microfilm, page 7, page 3).
(4 lines) A concrete protective wall is known, and as a means for improving the strength of a concrete guard fence, Japanese Utility Model Publication No. 6-57918 (Publication No. 5-1258).
No.) concrete guard fence, a pipe made of PVC is embedded in the upper part of the guard fence, and a PC steel material, which is a lateral fastening member, is inserted into the pipe (Practical application 5-12).
No. 58 microfilm stage 0011), its PC
A concrete guard fence in which tension is applied to the concrete guard fence by steel is known, and this concrete guard fence is fixed to a concrete foundation by inserting anchor bolts into mounting pipes provided on the lower sides of both sides (the same 0013 Also, both sides in the width direction of the guard fence are fixed to the foundation with anchor bolts. Further, in Japanese Patent Publication No. 6-29492, leg portions protruding laterally are formed on both sides in the width direction of the protective wall block,
It is proposed that an anchor receiving hole is provided in this leg portion and an elastic body is sandwiched between the anchor bolt receiving hole and the anchor bolt fixing nut.
【０００３】ところで、上記コンクリート防護壁では、
幅方向両側を定着手段により路盤に固定し、また、上記
コンクリートガードフェンス及び防護壁ブロックでは、
幅方向両側をアンカーボルトにより基礎に固定するもの
であるため、幅方向の一方を固定することができない場
所、例えば道路等の端部の路肩などの取付スペースに制
約のある場所や、橋梁等の端部の高欄等の代わりに使用
することができない。By the way, in the above concrete protective wall,
Both sides in the width direction are fixed to the roadbed by fixing means, and in the concrete guard fence and the protection wall block,
Since both sides in the width direction are fixed to the foundation with anchor bolts, it is not possible to fix one side in the width direction, for example, where there is a restriction on the installation space such as the road shoulder at the end of the road, bridges, etc. It cannot be used in place of a balustrade on the edge.
【０００４】そこで、実開昭５８−１７１９１４号公報
（実願昭５８−３７００９号）には、高速道路の欄干用
ガードフェンス（実願昭５８−３７００９号のマイクロ
フィルムの第12頁第９〜10行）が提案されており、同第
４図に示されているように、防護壁の幅方向中央に孔を
穿設し、この孔と舗装路面とに縦方向の棒状部材を挿通
し、その棒状部材の上，下端を防護壁内部と舗装路面下
面とに固定して、防護壁を舗装路面に固定するため、取
付作業が煩雑になると共に費用がかかるという問題があ
り、また、前記棒状部材の下端を舗装路面下面で固定す
るため、普通の道路や盛土の上部に形成した道路の端部
では使用することができない。しかも、それらのものは
いずれもガードフェンスを路盤に剛結するものであるか
ら、例えば、図１４に示すように、橋梁等の長さ方向の
桁101の上にコンクリート床版102を設け、このコンクリ
ート床版102の上面により路面103を構成し、この路面10
3の端部に欄干としてガードフェンス104を設け、このガ
ードフェンス104を縦方向の鋼材105，105等により一体
に剛結してしまうと、そのガードフェンス104への車両
の衝突によるモーメントが、桁102上部の路面103に集中
し、ここに亀裂Ｋが生じる等の虞があり、同時に衝突車
両の衝撃も大となる。Therefore, Japanese Utility Model Application Laid-Open No. 58-171914 (Japanese Patent Application No. 58-37009) discloses a guard fence for balustrades of expressways (Japanese Patent Application No. 58-37009, page 12, pages 9 to 9). 10 line), as shown in FIG. 4, a hole is formed in the center of the protective wall in the width direction, and a vertical bar member is inserted into the hole and the paved road surface. Since the upper and lower ends of the rod-shaped member are fixed to the inside of the protective wall and the lower surface of the paved road surface, and the protective wall is fixed to the paved road surface, there is a problem that the mounting work becomes complicated and costly. Since the lower end of the member is fixed on the lower surface of the paved road surface, it cannot be used on an ordinary road or the end of a road formed on the top of the embankment. Moreover, since all of them are for rigidly connecting the guard fence to the roadbed, for example, as shown in FIG. 14, a concrete floor slab 102 is provided on a girder 101 in the length direction of a bridge or the like. The upper surface of the concrete floor slab 102 constitutes the road surface 103.
If a guard fence 104 is provided as a balustrade at the end of 3 and the guard fence 104 is rigidly connected together by steel members 105, 105 in the vertical direction, the moment due to the collision of the vehicle with the guard fence 104 is There is a risk that the cracks K may concentrate on the road surface 103 at the upper part of the 102, and at the same time, the impact of the colliding vehicle becomes large.
【０００５】そこで、本発明は、道路の端部等の使用に
適し、壁本体は健全で強固となり、しかも、衝突時の床
版への影響及び車両の衝撃を緩和することができるコン
クリート製路側壁を提供することを目的とする。[0005] Therefore, the present invention is suitable for use in an end portion or the like of the road, the wall body becomes healthy and strong, yet, con that can mitigate the impact of the impact and the vehicle on the deck at the time of collision
It is intended to provide cleat road sidewalls .
【０００６】[0006]
【課題を解決するための手段】請求項１の発明は、基礎
にアンカーボルトを立設し、このアンカーボルトの上部
に固定ナットを締付けて壁本体を前記基礎上に固定して
なるコンクリート製路側壁において、前記壁本体の下部
に、側面が開口すると共に該壁本体内の幅方向中央に達
する凹所を形成し、この凹所の底面と壁本体の下面とを
連通する挿通孔を該壁本体の幅方向一側及び他側に形成
し、これら挿通孔に対応して前記アンカーボルトを立設
し、前記挿通孔に前記アンカーボルトを挿通し、前記凹
所の底面と前記固定ナットとの間に弾性部材を設け、長
さ方向に隣合う前記壁本体の間に目地材を充填して目地
部を設け、前記壁本体の幅方向中央に長さ方向のＰＣ鋼
材を挿通し、このＰＣ鋼材により複数の前記壁本体を緊
張一体化してなるものであり、壁本体の幅方向中央に達
する凹所を形成したため、壁本体を道路に端部に布設
し、固定ナットを締めて壁本体を基礎に固定することに
より、道路の端部への据付が可能となり、また、壁本体
の道路側に凹所やアンカーを設ける必要がない。そし
て、壁本体に車両が衝突しても、凹所の底面と固定ナッ
トとの間に設けた弾性部材が弾性変形することにより、
道路側への衝撃と衝突車両の衝撃が緩和され、衝突に対
して壁本体が強固なものとなる。また、目地部を介して
並ぶ壁本体を、ＰＣ鋼材により緊張一体化したため、車
両の衝突により壁本体が傾動して目地部間が開く方向に
力が加わると、これに対してＰＣ鋼材による緊張力が有
効に作用して前記傾動を抑えることができる。 SUMMARY OF THE INVENTION claims 1 invention, the anchor bolt erected on foundation, concrete paths formed of a fixed wall body on the basis tighten the fixing nut to the top of the anchor bolt In the side wall, a recess is formed in the lower part of the wall main body, the side surface being open and reaching the center in the width direction of the wall main body, and an insertion hole that connects the bottom surface of the recess and the lower surface of the wall main body is formed in the wall. It is formed on one side and the other side in the width direction of the main body, and the anchor bolts are installed upright in correspondence with these insertion holes.
Then, insert the anchor bolt through the insertion hole, provide an elastic member between the bottom surface of the recess and the fixed nut ,
The joint material is filled between the wall bodies adjacent to each other in the vertical direction.
PC steel in the length direction is provided at the center of the wall body in the width direction.
Insert the material, and use this PC steel material to secure the multiple wall main bodies.
Since it has been formed integrally with the wall body and a recess reaching the center of the width direction of the wall body was formed, the wall body was laid on the end of the road, and the fixing nut was tightened to fix the wall body to the foundation. It can be installed at the end of the wall, and there is no need to provide a recess or anchor on the road side of the wall body. Then, even if the vehicle collides with the wall body, the elastic member provided between the bottom surface of the recess and the fixing nut is elastically deformed,
The impact on the road side and the impact of the colliding vehicle are mitigated, and the wall body becomes strong against the collision. Also, the wall body arranged through the eyes fabric part, because of the tension integrated by PC steel, the wall body by a collision of the vehicle a force is applied in the direction of opening is between joints tilts, by PC steel contrast The tension force can effectively act to suppress the tilting .
【０００７】請求項２の発明は、前記壁本体の上面に形
成した定着用凹所に前記ＰＣ鋼材の端部を露出し、この
露出した端部を斜め上方に引っ張ることにより緊張力を
付与して前記定着用凹所に定着したものであり、壁本体
上面の定着用凹所に前記ＰＣ鋼材の端部を定着できる。 According to a second aspect of the present invention , the shape is formed on the upper surface of the wall body.
The end of the PC steel material is exposed in the formed fixing recess.
Tension is pulled by pulling the exposed end diagonally upward.
The main body of the wall is the one that has been applied and fixed in the fixing recess.
The end of the PC steel material can be fixed in the fixing recess on the upper surface.
【０００８】[0008]
【発明の実施形態】以下、本発明の実施例を添付図面を
参照して説明する。図１乃至図１１は本発明の第１実施
例を示し、コンクリート製路側壁である壁高欄１は、図
１の断面図に示すように、下方に向かってテーパ状に僅
かに拡大する壁本体２を備え、この壁本体２は高強度コ
ンクリートのプレキャストコンクリート製である。前記
壁本体２の両側には、水平傾斜角である所定角度θが７
５度以上９０度未満程度をなす平坦傾斜面３，３が形成
され、その壁本体２の内部には図示しない鉄筋が配筋さ
れ、この例では、壁本体２は高さが１ｍ（メートル），
長さが３メートル程度に形成されている。また、図１に
示すように、図中右側の一方の傾斜面３は他方の傾斜面
３より所定角度θを小さく形成している。一方の前記平
坦傾斜面３の下部には、側方に突出する脚部４を設け、
この脚部４は、傾斜面４Ａの下部に垂直面４Ｂを有す
る。他方の前記平坦傾斜面３の下部には垂直面５を形成
し、この垂直面５側を開口して壁本体２の幅方向中央に
至る凹所６を該壁本体２に形成し、この凹所６は壁本体
２の長さ方向に複数設けられ、該壁本体２は長さ方向に
長い側面長方形形状の開口部６Ｂを有する。前記凹所６
の底面６Ａは、前記下面２Ａとほぼ平行であり、前記凹
所６の上面６Ｃは前記開口部６Ｂ側に向かって上向きに
傾斜している。また、前記凹所６の底面６Ａと壁本体２
の下面２Ａとを連通する挿通孔７を複数形成し、この例
では、図３に示すように、前記下面２Ａの幅方向中央一
側寄りに２個、他側に１個の挿通孔７を形成し、その２
個の挿通孔７，７の長さ方向中央に前記１個の挿通孔７
が設けられている。さらに、前記脚部４の傾斜面４Ａと
前記下面２Ａとの間には斜めに孔が穿設され、この孔に
充填材注入孔たるホース８がその両側を露出して挿入配
置されている。Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 11 show a first embodiment of the present invention, in which a wall balustrade 1 which is a concrete road side wall is a wall main body which is slightly expanded downward as shown in the sectional view of FIG. 2, the wall body 2 is made of high-strength concrete precast concrete. A predetermined angle θ, which is a horizontal inclination angle, is 7 on both sides of the wall body 2.
Flat inclined surfaces 3 and 3 that form an angle of 5 degrees or more and less than 90 degrees are formed, and reinforcing bars (not shown) are arranged inside the wall body 2. In this example, the wall body 2 has a height of 1 m (meter). ，
The length is about 3 meters. Further, as shown in FIG. 1, one inclined surface 3 on the right side of the drawing is formed to have a smaller predetermined angle θ than the other inclined surface 3. On the lower part of the one flat inclined surface 3, a leg portion 4 protruding laterally is provided,
The leg portion 4 has a vertical surface 4B below the inclined surface 4A. A vertical surface 5 is formed below the other flat inclined surface 3, and a recess 6 is formed in the wall body 2 to open the vertical surface 5 side and reach the center of the wall body 2 in the width direction. A plurality of places 6 are provided in the length direction of the wall body 2, and the wall body 2 has an opening portion 6B having a rectangular side surface that is long in the length direction. The recess 6
6A is substantially parallel to the lower surface 2A, and the upper surface 6C of the recess 6 is inclined upward toward the opening 6B. Also, the bottom surface 6A of the recess 6 and the wall body 2
A plurality of insertion holes 7 communicating with the lower surface 2A of the lower surface 2A are formed. In this example, as shown in FIG. 3, two insertion holes 7 are provided near the center in the width direction of the lower surface 2A and one insertion hole 7 is provided on the other side. Formed, part 2
The one insertion hole 7 is provided at the center in the length direction of the insertion holes 7, 7.
Is provided. Further, a hole is formed obliquely between the inclined surface 4A of the leg portion 4 and the lower surface 2A, and a hose 8 as a filler injection hole is inserted and arranged in this hole with both sides thereof exposed.
【０００９】前記壁本体２は道路Ｒの端部に設けられ、
この例では、基礎を構成する橋梁等のコンクリート床版
11により道路Ｒを構成し、そのコンクリート床版11の上
面11Ａの端部に欄干として前記壁本体２を設け、該コン
クリート床版11の端部には縦方向の端面11Ｂが形成され
ている。前記コンクリート床版11は、現場打ちコンクリ
ート製あるいはプレキャスト製であって、その上面11Ａ
には、施工時あるいは製作時に、固定部材であるアンカ
ーボルト12が前記挿通孔７に対応して立設される。前記
アンカーボルト12の下部は、略Ｌ型に屈曲形成されると
共に、コンクリート床版11に埋設したボルト保持板13に
溶着固定されており、このボルト保持板13は複数の板材
を枠状に形成してなる。そして、前記挿通孔７には、図
示しない塩ビパイプが挿入配置され、このパイプ内に前
記アンカーボルト12が挿入される。The wall body 2 is provided at the end of the road R,
In this example, concrete floor slabs such as bridges that form the foundation
A road R is constituted by 11, and the wall main body 2 is provided as a balustrade at an end portion of an upper surface 11A of the concrete floor slab 11, and an end surface 11B in a vertical direction is formed at an end portion of the concrete floor slab 11. The concrete floor slab 11 is made of cast-in-place concrete or precast, and has an upper surface 11A.
An anchor bolt 12, which is a fixing member, is erected corresponding to the insertion hole 7 during construction or production. The lower portion of the anchor bolt 12 is bent into a substantially L shape and is welded and fixed to a bolt holding plate 13 embedded in the concrete floor slab 11. The bolt holding plate 13 is formed of a plurality of plate members in a frame shape. I will do it. Then, a PVC pipe (not shown) is inserted and arranged in the insertion hole 7, and the anchor bolt 12 is inserted into the pipe.
【００１０】前記凹所６の底面６Ａには、硬質ゴム板な
どからなる板状弾性部材14の上に鋼製のベースプレート
15が重ねて配置され、これら弾性部材14及びベースプレ
ート15には、それぞれ前記アンカーボルト12を遊挿する
孔14Ａ，15Ａが穿設されている。また、前記アンカーボ
ルト12の上部には、ねじ部が形成され、座金16を介して
固定ナット17が螺合される。さらに、前記壁本体２の下
面２Ａと前記コンクリート床版11の上面11Ａとの間に
は、壁本体２の幅方向両側にゴムなどからなる弾性パッ
キン材18，18を配置し、これら両側のパッキン材18，18
の間に、充填材19の充填空間20を形成している。また、
図１１に示すように、この充填空間20と前記傾斜面４Ａ
を連通する空気抜き孔８Ａが形成されている。尚、この
空気抜き孔８Ａをホースにより構成してもよい。On the bottom surface 6A of the recess 6, a steel base plate is provided on a plate-like elastic member 14 made of a hard rubber plate or the like.
The elastic member 14 and the base plate 15 are provided with holes 14A and 15A for loosely inserting the anchor bolt 12, respectively. Further, a screw portion is formed on the upper portion of the anchor bolt 12, and a fixing nut 17 is screwed through a washer 16. Further, between the lower surface 2A of the wall main body 2 and the upper surface 11A of the concrete floor slab 11, elastic packing materials 18, 18 made of rubber or the like are arranged on both sides in the width direction of the wall main body 2, and packings on both sides thereof are arranged. Material 18, 18
A filling space 20 for the filling material 19 is formed between them. Also,
As shown in FIG. 11, this filling space 20 and the inclined surface 4A
An air vent hole 8A that communicates with each other is formed. The air vent hole 8A may be formed by a hose.
【００１１】前記壁本体２の長さ方向に横締用部材たる
ＰＣ鋼材21が配置され、このＰＣ鋼材21は鋼製シース21
Ａまたはダクト内に配置されたものであり、該ＰＣ鋼材
21は、ＰＣ鋼線の撚り線等からなり、該ＰＣ鋼材21の外
周にエポキシ樹脂及び防錆処理ＰＣ鋼材により防錆加工
を施している。また、前記ＰＣ鋼材21の両側に定着具22
が設けられ、この定着具22は内部にテーパー孔23Ａを有
するスリーブ23と、前記テーパー孔23Ａに前側が圧接す
る裁頭円錐形のクリップ24とからなり、このクリップ24
の中央に、円周方向に複数の突起を有する圧着孔25を設
けると共に、この圧着孔25に連通する４箇所の切り込み
25Ａが形成され、孔を有する支圧板26を介して前記定着
具22が用いられ、前記突起を有する圧着孔25が前記ＰＣ
鋼材21の外周に圧着する。また、前記ＰＣ鋼材21は壁本
体２の上部の幅方向中央に挿通されているが、ＰＣ鋼材
21，21をたすき掛けする重複部27においては、図６に示
すように、前記シース21Ａを幅方向両側に形成し、それ
らＰＣ鋼材21，21の端部21Ｔ，21Ｔを、壁本体２，２の
上面に形成した定着用凹所２Ｂ，２Ｂに露出する。そし
て、これら定着用凹所２Ｂ，２Ｂは壁本体２の上面の長
さ方向両側にそれぞれ形成されており、それら定着用凹
所２Ｂ，２Ｂを有する壁本体２の間には、定着用凹所を
備えない壁本体２が複数配置され、これら壁本体２には
前記重複部27は形成されていない。さらに、前記壁本体
２の長さ方向端面には、相互に係合する突条28と凹条29
とが形成され、隣合う壁本体２，２の間には目地材33を
充填して目地部30が形成され、前記突条28と凹条29との
間には、前記シース21Ａに対応して、スポンジパッキン
グ31が介在され、このパッキング31には前記ＰＣ鋼材21
を挿通する孔32が穿設されている。A PC steel material 21, which is a lateral fastening member, is arranged in the lengthwise direction of the wall body 2, and the PC steel material 21 is a steel sheath 21.
A or the one placed in the duct, the PC steel material
Reference numeral 21 is a stranded wire of PC steel wire or the like, and the outer periphery of the PC steel material 21 is rustproofed with epoxy resin and rustproof PC steel material. Further, the fixing tools 22 are provided on both sides of the PC steel material 21.
The fixing device 22 is provided with a sleeve 23 having a tapered hole 23A therein, and a truncated cone-shaped clip 24 whose front side is pressed against the tapered hole 23A.
A crimp hole 25 having a plurality of protrusions in the circumferential direction is provided at the center of the, and four notches communicating with the crimp hole 25 are provided.
25A is formed, the fixing tool 22 is used via a pressure plate 26 having a hole, and the pressure-bonding hole 25 having the protrusion is the PC.
It is crimped to the outer circumference of the steel material 21. Further, the PC steel material 21 is inserted through the widthwise center of the upper portion of the wall body 2,
As shown in FIG. 6, in the overlapping portion 27 where the 21 and 21 are struck, the sheath 21A is formed on both sides in the width direction, and the end portions 21T and 21T of the PC steel materials 21 and 21 are connected to the wall main bodies 2 and 2, respectively. It is exposed in the fixing recesses 2B, 2B formed on the upper surface of the. The fixing recesses 2B and 2B are formed on both sides of the upper surface of the wall main body 2 in the length direction, and the fixing recesses 2B and 2B are provided between the wall main bodies 2 having the fixing recesses 2B and 2B. A plurality of wall bodies 2 that do not have the above are arranged, and the overlapping portions 27 are not formed in these wall bodies 2. Further, on the end face in the length direction of the wall main body 2, a protrusion 28 and a recess 29 which engage with each other are provided.
Is formed, and a joint material 33 is filled between adjacent wall bodies 2 and 2 to form a joint portion 30, and a space corresponding to the sheath 21A is formed between the protrusions 28 and the recesses 29. The sponge packing 31 is interposed between the PC steel material 21 and the packing 31.
A hole 32 is formed to pass through.
【００１２】前記壁本体２の垂直面４Ｂ，５には、ぞれ
ぞれ埋込インサートにより横方向の雌ねじ部41を複数形
成し、この雌ねじ部41にボルト42を螺着して山形鋼から
なる治具43を固定し、この治具43に固着したナットに、
縦方向の高さ調整ボルト44を螺合し、この高さ調整ボル
ト44の下端と前記床版11の上面11Ａとの間には、鋼板等
からなる支持プレート45が敷設される。On the vertical surfaces 4B, 5 of the wall main body 2, a plurality of internal female screw portions 41 are formed by embedding inserts, and bolts 42 are screwed to the female screw portions 41 to make the angle steel. Fix the jig 43 that becomes, to the nut fixed to this jig 43,
A vertical height adjusting bolt 44 is screwed in, and a support plate 45 made of a steel plate or the like is laid between the lower end of the height adjusting bolt 44 and the upper surface 11A of the floor slab 11.
【００１３】次に前記コンクリート製路側壁である壁高
欄１の施工について説明すると、本発明の路側壁である
壁高欄１は道路Ｒの新設工事の施工に適するものであ
り、まず、コンクリート床版11の施工あるいは製造時
に、予めアンカーボルト12を立設しておく。そして、両
側に弾性パッキン材18，18を配置し、壁本体２を吊り上
げ、挿通孔７をアンカーボルト12に合わせて、吊り下ろ
す。また、凹所６の底面６Ａにベースプレート15と弾性
部材14を配置すると共に、座金16をアンカーボルト12の
上部に挿通し、該アンカーボルト12の上部に固定ナット
17を仮締めし、隣合う壁本体２，２間は所定の間隔で隙
間を設けるようにする。この場合、突条28と凹条29とは
重なり合わないようにし、図８に示すように、突条28の
先端と凹条29の両端面29Ａとを合わせている。Next , the wall height which is the side wall of the concrete road.
Explaining the construction in Column 1, it is the road side wall of the present invention.
The wall balustrade 1 is suitable for construction of a new construction of the road R. First, when the concrete floor slab 11 is constructed or manufactured, the anchor bolts 12 are installed upright in advance. Then, elastic packing materials 18, 18 are arranged on both sides, the wall body 2 is lifted, the insertion hole 7 is aligned with the anchor bolt 12, and the wall is hung. Further, the base plate 15 and the elastic member 14 are arranged on the bottom surface 6A of the recess 6, the washer 16 is inserted into the upper portion of the anchor bolt 12, and the fixing nut is fixed on the upper portion of the anchor bolt 12.
17 is temporarily tightened so that a gap is provided between adjacent wall bodies 2 and 2 at a predetermined interval. In this case, the protruding strip 28 and the recessed strip 29 are prevented from overlapping with each other, and as shown in FIG. 8, the tip end of the projected strip 28 and both end surfaces 29A of the recessed strip 29 are aligned with each other.
【００１４】次に、治具43及び高さ調整ボルト44を壁本
体２にセットし、複数並んだ壁本体２，２…の高さ、通
り及び目地部30の間隔を調整した後、目地部30に無収縮
モルタルなどの目地材33を充填する。尚、治具43及び高
さ調整ボルト44のセットは、工場で行ってもよく、吊り
下ろした後でもよい。前記目地材33の硬化後、図４に示
すように、隣合うＰＣ鋼材21，21´の端部端部21Ｔ，21
Ｔ´を、たすき掛けのように交差したシース21Ａ，21Ａ
にそれぞれ挿通し、端部21Ｔ，21Ｔ´が交差する重複部
27を形成する。尚、端部21Ｔ´を備えたＰＣ鋼材21´
は、前記端部21Ｔを備えたＰＣ鋼材21と同一構成であ
る。そして、定着用凹所２Ｂ内の端部21Ｔを、支圧板26
に挿通すると共に、スリーブ23を組み合わせたクリップ
24に挿通し、挿出した端部21Ｔをジャッキ（図示せず）
などにより所定の緊張力で斜め上方に引っ張ることによ
り、複数の壁本体２の長さ方向に緊張力を付与する。こ
の場合、クリップ24がスリーブ23のテーパー孔23Ａに楔
作用により食い込むと共に、切り込み25Ａを設けた圧着
孔25が端部21Ｔに圧着して端部21Ｔが固定される。そし
て、定着後、定着用凹所２Ｂは無収縮モルタルなどの充
填材19を充填して、壁本体２の上面と面一に仕上げる。Next, the jig 43 and the height adjusting bolt 44 are set on the wall body 2, and the heights of the wall bodies 2, 2 ... 30 is filled with a joint material 33 such as non-shrink mortar. The jig 43 and the height adjusting bolt 44 may be set at the factory or after hanging. After hardening of the joint material 33, as shown in FIG. 4, the end portions 21T, 21 of the adjacent PC steel materials 21, 21 'are
Sheaths 21A and 21A that intersect T'like crossing
Overlaps where the ends 21T and 21T 'cross each other
Forming 27. It should be noted that PC steel material 21 'having an end portion 21T'
Has the same structure as the PC steel material 21 having the end portion 21T. Then, the end portion 21T in the fixing recess 2B is attached to the pressure plate 26.
Clip that inserts into the sleeve and combines the sleeve 23
Insert the end 21T inserted into 24 into the jack (not shown)
For example, the tension force is applied in the longitudinal direction of the plurality of wall bodies 2 by pulling it diagonally upward with a predetermined tension force. In this case, the clip 24 bites into the taper hole 23A of the sleeve 23 by a wedge action, and the crimp hole 25 provided with the notch 25A is crimped to the end 21T to fix the end 21T. After the fixing, the fixing recess 2B is filled with a filling material 19 such as non-shrink mortar to finish flush with the upper surface of the wall body 2.
【００１５】このようにしてＰＣ鋼材21により複数の壁
本体２を緊張一体化した後、ホース８から無収縮モルタ
ルなどの充填材19を充填空間20に充填する。この場合、
壁本体２には空気抜き孔８Ａが形成されているから、充
填材19の充填がスムーズに行われる。その充填材19の硬
化後に、必要に応じて、前記固定ナット17を所定のトル
クで締め付け調整する。尚、前記充填空間20への充填作
業後、ホース８の傾斜面４Ａから突出する部分は、切断
等して取り除き、また、充填空間20内の充填材19の硬化
後、ボルト42を取り外し、雌ねじ部41に充填材19を充填
して仕上げる。そして、固定ナット17による締付け作業
が終了したら、凹所６に無収縮モルタルなどの充填材19
を充填して、垂直面４Ｂを面一に仕上げる。尚、図中、
46は舗装層である。また、アンカーボルト12を挿入した
挿通孔７にも充填材19を充填する。After the plurality of wall bodies 2 are tensioned and integrated with the PC steel material 21 in this manner, the filling space 20 is filled with the filling material 19 such as non-shrink mortar from the hose 8. in this case,
Since the air vent hole 8A is formed in the wall body 2, the filling material 19 is smoothly filled. After the filling material 19 is hardened, the fixing nut 17 is tightened and adjusted with a predetermined torque as needed. After the filling space 20 is filled, the portion of the hose 8 projecting from the inclined surface 4A is removed by cutting or the like, and after the filling material 19 in the filling space 20 is hardened, the bolt 42 is removed to form a female screw. The portion 41 is filled with the filling material 19 to finish. Then, when the tightening work with the fixing nut 17 is completed, the filling material 19 such as non-shrink mortar is filled in the recess 6.
And the vertical surface 4B is finished flush. In the figure,
46 is a pavement layer. Further, the filler 19 is also filled in the insertion hole 7 into which the anchor bolt 12 is inserted.
【００１６】このようにして壁本体２の中央をアンカー
ボルト12により固定することにより、道路Ｒの端部に路
側壁を施工することができると共に、この例では壁本体
２の道路Ｒ側に、固定部材や凹所等がまったく露出しな
い。そして、道路Ｒを走行する車両が衝突して壁本体２
に衝撃力Ｆが加わり、壁本体２を倒す力が働いても、弾
性部材14が弾性変形することにより、道路Ｒを構成する
床版11に加わるモーメントなどを緩和することができる
と共に、弾性部材14がクッションとなって、衝突車両へ
の衝撃も緩和することができる。また、車両が衝突した
壁本体２が傾動すると、目地部30が広がるが、壁本体２
の上部に挿通したＰＣ鋼材21の緊張力によりその目地部
30の広がりを抑えることができ、この際、ＰＣ鋼材21が
収縮方向のばね作用をなす。[0016] By fixing this manner the anchor bolt 12 the center of the wall body 2, road to the end of the road R
The side wall can be constructed, and in this example, the fixing member and the recess are not exposed on the road R side of the wall body 2. Then, a vehicle traveling on the road R collides with the wall body 2
Even if the impact force F is applied to the wall body 2 and the force of tilting the wall body 2 is exerted, the elastic member 14 elastically deforms, so that the moment or the like applied to the floor slab 11 forming the road R can be alleviated, and at the same time, the elastic member. 14 serves as a cushion to reduce the impact on the collision vehicle. Further, when the wall body 2 that the vehicle collides with is tilted, the joint portion 30 expands.
Due to the tension of the PC steel 21 inserted in the upper part of the
The spread of 30 can be suppressed, and at this time, the PC steel material 21 acts as a spring in the contracting direction.
【００１７】このように本実施例では、請求項１に対応
して、基礎たるコンクリート床版11にアンカーボルト12
を立設し、このアンカーボルト12の上部に固定ナット17
を締付けて壁本体２をコンクリート床版11上に固定して
なるコンクリート製路側壁において、壁本体２の下部
に、道路Ｒの反対側の側面が開口すると共に壁本体２内
の幅方向中央に達する凹所６を形成し、この凹所６の底
面６Ａと壁本体２の下面２Ａとを連通する挿通孔７を該
壁本体２の幅方向一側及び他側に形成し、これら挿通孔
７に対応してアンカーボルト12を立設し、挿通孔７にア
ンカーボルト12を挿通し、凹所６の底面６Ａと固定ナッ
ト17との間に弾性部材14を設け、長さ方向に隣合う壁本
体２，２の間に目地材33を充填して目地部30を設けた複
数の壁本体２，２…を長さ方向のＰＣ鋼材21により緊張
一体化してなるものであるから、壁本体２の幅方向中央
に達する凹所６を形成したため、凹所６の他側を道路Ｒ
側にして壁本体２を布設し、固定ナット17を締めて壁本
体２をコンクリート床版11に固定することにより、道路
Ｒの端部への据付が可能となり、また、壁本体２の道路
Ｒ側に凹所やアンカーを設ける必要がない。そして、壁
本体２に車両が衝突しても、凹所６の底面６Ａと固定ナ
ット17との間に設けた弾性部材14が弾性変形することに
より、壁本体２が傾動し、道路Ｒを構成するコンクリー
ト床版11への衝撃と衝突車両の衝撃とを緩和することが
できる。しかも、従来のように、幅方向両側をアンカー
ボルトにより固定するものとは異なり、壁本体２の幅内
において幅方向中央にてアンカーボルト12により固定す
るものであるから、アンカーボルト12により安定した取
付け強度が得られる。すなわち、両側をアンカーボルト
により固定する場合では、固定ナットの締め方などによ
り、幅方向で取付け強度が不均一になる虞があるが、本
発明では中央を固定するため、幅方向全体に均一な取付
け強度が得られる。また、目地部30を介して並ぶ壁本体
２，２…を、ＰＣ鋼材21により緊張一体化したため、車
両の衝突により壁本体２が傾動して目地部30が開く方向
に力が加わると、これに対してＰＣ鋼材21による緊張力
が有効に作用して傾動を抑えることができる。 [0017] In this embodiment Thus, in response to claim 1, A Nkaboruto 12 underlying serving concrete slab 11
Stand upright, and fix the nut 17 on top of the anchor bolt 12.
In the concrete road side wall formed by fastening the wall main body 2 on the concrete floor slab 11, the side surface on the opposite side of the road R is opened at the bottom of the wall main body 2 and at the center in the width direction within the wall main body 2. reaches a recess 6 is formed, the insertion holes 7 for communicating the lower surface 2A of the bottom 6A and the wall body 2 of the recess 6
It is formed on one side and the other side in the width direction of the wall body 2 , and these insertion holes are formed.
7 Anchor bolt 12 is erected upright in correspondence with 7 and inserted into insertion hole 7.
Insert the anchor bolt 12 and fix it to the bottom surface 6A of the recess 6 and the fixing nut.
The elastic member 14 is provided between the wall 17 and
A joint member 30 is provided by filling a joint member 33 between the bodies 2 and 2.
The number of wall bodies 2, 2 ... by the PC steel material 21 in the longitudinal direction
Since it is integrated, the recess 6 reaching the center of the wall body 2 in the width direction is formed.
By installing the wall main body 2 on the side and fixing the wall main body 2 to the concrete floor slab 11 by tightening the fixing nut 17, it is possible to install at the end of the road R, and the road R of the wall main body 2 No need for recesses or anchors on the side. Even if the vehicle collides with the wall body 2, the elastic member 14 provided between the bottom surface 6A of the recess 6 and the fixing nut 17 is elastically deformed, whereby the wall body 2 tilts and the road R is formed. The impact on the concrete floor slab 11 and the impact on the colliding vehicle can be mitigated. Moreover, unlike the conventional one in which both sides in the width direction are fixed by the anchor bolts, the anchor bolts 12 are fixed at the center in the width direction within the width of the wall body 2, so that the anchor bolts 12 make it stable. Mounting strength can be obtained. That is, when fixing both sides with anchor bolts, the mounting strength may become uneven in the width direction due to the way the fixing nut is tightened, but in the present invention, since the center is fixed, the mounting strength is uniform in the entire width direction. Mounting strength can be obtained . Also, the wall body 2, 2 arranged through the joint portion 30, since the strained integrated by PC steel 21, when a force is applied in the direction in which the joint portion 30 wall body 2 is tilted to open the vehicle collision, On the other hand, the tension force of the PC steel material 21 effectively acts to suppress the tilting .
【００１８】また、このように本実施例では、請求項２
に対応して、壁本体２の上面に形成した定着用凹所２Ｂ
にＰＣ鋼材21の端部21Ｔを露出し、この露出した端部21
Ｔを斜め上方に引っ張ることにより緊張力を付与して定
着用凹所２Ｂに定着したものであり、壁本体２上面の定
着用凹所２ＢにＰＣ鋼材21の端部21Ｔを定着できる。 As described above, in this embodiment, the second aspect
Corresponding to, the fixing recess 2B formed on the upper surface of the wall body 2
The end 21T of the PC steel material 21 is exposed at the
The tension is applied by pulling T diagonally upwards
It is fixed in the wearing recess 2B, and is fixed on the upper surface of the wall body 2.
The end 21T of the PC steel material 21 can be fixed to the wearing recess 2B.
【００１９】また、実施例上の効果として、複数のアン
カーボルト12を保持板13に溶着してコンクリート床版11
内に埋設したから、アンカーボルト12の取付け強度を効
果的に向上することができる。さらに、弾性部材14は、
１枚の硬質ゴム板に複数の孔14Ａを穿設したものである
から、複数のアンカーボルト12への装着が容易である。
また、ＰＣ鋼材の境目において、１つの壁本体２にＰＣ
鋼材21，21´の端部21Ａ，21Ａ´が重複する重複部27を
形成したから、隣合う壁本体２の間で緊張力がとぎれる
ことなく、その全長に渡って緊張力を付与することがで
きる。さらに、壁本体２に、予め埋込インサートにより
雌ねじ部41を形成したから、高さ調整ボルト44の使用が
容易となる。さらにまた、壁本体２を高強度コンクリー
トにより成型したことにより、耐衝撃性が向上する。ま
た、道路側にホース８の先端を設けたから、充填材19の
充填作業を道路側から容易に行うことができる。さらに
また、壁本体２の下面２Ａと基礎たるコンクリート床版
11の上面11Ａとの間には、壁本体２の幅方向両側にパッ
キン材18，18を配置し、これら両側のパッキン材18，18
間に形成される充填空間20と壁本体２の側面とを連通す
る充填材注入孔たるホース８を壁本体２に形成したもの
であり、高さ調整を行った後、ホース８から充填材19を
壁本体２の下部に充填することができ、高さ調整作業及
びその後の壁本体２下部への充填作業を簡便に行うこと
ができ、また、空気抜き孔８Ａを設けたから、充填材19
の充填がスムーズに行われる。Further, as an effect of the embodiment, a plurality of anchor bolts 12 are welded to the holding plate 13 and the concrete floor slab 11 is welded.
Since it is embedded inside, the attachment strength of the anchor bolt 12 can be effectively improved. Further, the elastic member 14 is
Since a plurality of holes 14A are formed in one hard rubber plate, it is easy to mount the plurality of anchor bolts 12.
In addition, at the boundary of PC steel material, PC is attached to one wall body 2.
Since the end portions 21A and 21A 'of the steel materials 21 and 21' overlap to form the overlapping portion 27, the tension force is not interrupted between the adjacent wall bodies 2, and the tension force can be applied over the entire length thereof. it can. Furthermore, since the internal thread portion 41 is formed in the wall body 2 in advance by the embedded insert, the height adjusting bolt 44 can be used easily. Furthermore, impact resistance is improved by molding the wall body 2 with high-strength concrete. Moreover, since the tip of the hose 8 is provided on the road side, the filling work of the filling material 19 can be easily performed from the road side. Furthermore, the lower surface 2A of the wall body 2 and the concrete floor slab as the foundation
Between the upper surface 11A of 11 and packing materials 18, 18 are arranged on both sides in the width direction of the wall body 2, and packing materials 18, 18 on both sides of these are arranged.
A hose 8 serving as a filler injection hole that connects the filling space 20 formed between the wall space 2 and the side surface of the wall body 2 is formed in the wall body 2. After the height is adjusted, the hose 8 is filled with the filler material 19. Can be filled in the lower portion of the wall body 2, and the height adjustment work and the subsequent filling work in the lower portion of the wall body 2 can be easily performed. Further, since the air vent hole 8A is provided, the filling material 19
Filling is done smoothly.
【００２０】図１２は本発明の第２実施例を示し、上記
第１実施例と同一部分に同一符号を付し、その詳細な説
明を省略して詳述すると、図１２に示すように、前記座
金１６の代わりに、弾性部材たる皿ばねたるばね座金１
６Ａを用いており、この例においても、壁本体２に車両
が衝突しても、凹所６の底面６Ａと固定ナット17との間
に設けた弾性部材たるばね座金16Ａが弾性変形すること
により、壁本体２が傾動し、道路Ｒを構成するコンクリ
ート床版11への衝撃と衝突車両が受ける衝撃とを緩和す
ることができる。FIG. 12 shows a second embodiment of the present invention. The same parts as those of the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted. As shown in FIG. Instead of the washer 16, a spring washer 1 that is a disc spring that is an elastic member is used.
6A is used, and in this example as well, even if the vehicle collides with the wall body 2, the spring washer 16A, which is an elastic member provided between the bottom surface 6A of the recess 6 and the fixed nut 17, is elastically deformed. The wall body 2 tilts, so that it is possible to mitigate the impact on the concrete floor slab 11 forming the road R and the impact on the colliding vehicle.
【００２１】図１３は本発明の第３実施例を示し、上記
第１実施例と同一部分に同一符号を付し、その詳細な説
明を省略して詳述すると、図１３に示すように、壁本体
２の道路Ｒ側に位置する傾斜面４Ａを開口して、該壁本
体２の幅方向中央至る凹所６を壁本体２に形成してお
り、この例でも、基礎たるコンクリート床版11に固定部
材たるアンカーボルト12を立設し、このアンカーボルト
12の上部に固定ナット17を締付けて壁本体２をコンクリ
ート床版11上に固定してなるコンクリート製路側壁にお
いて、壁本体２の下部に、道路Ｒ側の側面が開口すると
共に壁本体２内の幅方向中央に達する凹所６を形成し、
この凹所６の底面６Ａと壁本体２の下面２Ａとを連通す
る挿通孔７を形成し、この挿通孔７にアンカーボルト12
を挿通し、凹所６の底面６Ａと固定ナット17との間に弾
性部材14を設けたものであるから、凹所６側を道路Ｒ側
にして壁本体２を布設し、固定ナット17を締めて壁本体
２をコンクリート床版11に固定することにより、道路Ｒ
の端部への据付が可能となり、請求項１及び２に対応し
て、上記第１実施例と同様な作用，効果を有し、また、
この例では、凹所６が道路Ｒ側に開口しているから、道
路Ｒ側から固定ナット17等の作業を簡便に行うことがで
きる。FIG. 13 shows a third embodiment of the present invention, in which the same parts as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. As shown in FIG. The inclined surface 4A located on the road R side of the wall body 2 is opened to form a recess 6 in the widthwise center of the wall body 2 in the wall body 2. Also in this example, the concrete floor slab 11 that is the foundation is used. Anchor bolt 12, which is a fixing member, is erected on the
In the concrete road side wall formed by fastening the fixing nut 17 to the upper part of 12 and fixing the wall body 2 on the concrete floor slab 11, the side surface on the road R side is opened at the bottom of the wall body 2 and the inside of the wall body 2 is opened. Forming a recess 6 reaching the widthwise center of
An insertion hole 7 that connects the bottom surface 6A of the recess 6 and the lower surface 2A of the wall body 2 is formed, and the anchor bolt 12 is inserted into the insertion hole 7.
Since the elastic member 14 is provided between the bottom surface 6A of the recess 6 and the fixed nut 17, the wall body 2 is laid with the recess 6 side on the road R side, and the fixed nut 17 is attached. By tightening and fixing the wall body 2 to the concrete floor slab 11, the road R
Can be installed at the end portion of the above, and has the same operation and effect as the first embodiment corresponding to claims 1 and 2, and
In this example, since the recess 6 is open to the road R side, the work of the fixing nut 17 and the like can be easily performed from the road R side.
【００２２】尚、本発明は上記各実施例に限定されるも
のではなく、本発明の要旨の範囲内において、種々の変
形実施が可能である。例えば、壁本体の形状，寸法，大
きさ等は適宜選定可能である。また、アンカーボルトと
凹所の底面との間に設ける弾性部材は、弾性を有し収縮
性を有するものであれば、各種のものを用いることがで
き、弾性部材14と弾性部材たるばね座金16Ａの両方を使
用すれば、一層、衝撃を緩和することができる。さら
に、充填材は無収縮モルタルに限らず硬化性の各種の充
填材を用いることができる。また、壁本体は床版に限ら
ず各種道路に設けることができる。The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the gist of the present invention. For example, the shape, size, size, etc. of the wall body can be appropriately selected. As the elastic member provided between the anchor bolt and the bottom surface of the recess, various elastic members having elasticity and contractibility can be used. The elastic member 14 and the spring washer 16A as the elastic member can be used. If both are used, the impact can be further mitigated. Further, the filler is not limited to non-shrink mortar, and various curable fillers can be used. The wall body can be provided not only on the floor slab but also on various roads.
【００２３】[0023]
【発明の効果】請求項１の発明は、基礎にアンカーボル
トを立設し、このアンカーボルトの上部に固定ナットを
締付けて壁本体を前記基礎上に固定してなるコンクリー
ト製路側壁において、前記壁本体の下部に、側面が開口
すると共に該壁本体内の幅方向中央に達する凹所を形成
し、この凹所の底面と壁本体の下面とを連通する挿通孔
を該壁本体の幅方向一側及び他側に形成し、これら挿通
孔に対応して前記アンカーボルトを立設し、前記挿通孔
に前記アンカーボルトを挿通し、前記凹所の底面と前記
固定ナットとの間に弾性部材を設け、長さ方向に隣合う
前記壁本体の間に目地材を充填して目地部を設け、前記
壁本体の幅方向中央に長さ方向のＰＣ鋼材を挿通し、こ
のＰＣ鋼材により複数の前記壁本体を緊張一体化してな
るものであり、道路の端部等の使用に適し、衝突時の路
面への影響及び車両の衝撃を緩和することができるコン
クリート製路側壁を提供することができる。The invention according to claim 1 is based on an anchor bolt.
In a concrete road side wall in which the wall body is fixed on the foundation by tightening a fixing nut on the upper part of the anchor bolt , a side surface is opened at the lower part of the wall body and of forming a widthwise center reaches recess, to form an insertion hole for communicating the lower surface of the bottom wall body of the recess in the width direction of one side and the other side of the wall body, they inserted
The anchor bolt is erected in correspondence with the hole, the anchor bolt is inserted through the insertion hole, and an elastic member is provided between the bottom surface of the recess and the fixing nut, and they are adjacent to each other in the length direction.
A joint material is provided between the wall bodies to provide a joint portion,
Insert the PC steel in the length direction through the center of the wall body in the width direction,
Do not use the PC steel of
That is intended, suitable for use in an end portion or the like of the road, it is possible to provide a concrete path side walls that can mitigate the impact of the impact and the vehicle on the road surface at the time of collision.
【００２４】請求項２の発明は、前記壁本体の上面に形
成した定着用凹所に前記ＰＣ鋼材の 端部を露出し、この
露出した端部を斜め上方に引っ張ることにより緊張力を
付与して前記定着用凹所に定着したものであり、道路の
端部等の使用に適し、衝突時の路面への影響及び車両の
衝撃を緩和することができるコンクリート製路側壁を提
供することができる。According to a second aspect of the present invention , a shape is formed on the upper surface of the wall body.
The end of the PC steel material is exposed in the formed fixing recess.
Tension is pulled by pulling the exposed end diagonally upward.
To provide a concrete road side wall that is provided and fixed in the fixing recess, is suitable for use at the end of a road, etc., and can mitigate the impact on the road surface at the time of collision and the impact of the vehicle. You can
【図１】本発明の第１実施例を示す幅方向の縦断面図で
ある。FIG. 1 is a longitudinal sectional view in a width direction showing a first embodiment of the present invention.
【図２】本発明の第１実施例を示す幅方向の要部の縦断
面図である。FIG. 2 is a vertical cross-sectional view of the essential parts in the width direction showing the first embodiment of the present invention.
【図３】本発明の第１実施例を示す凹所の平断面図であ
る。3 is a plan sectional view of a concave plants showing a first embodiment of the present invention.
【図４】本発明の第１実施例を示す路側壁の正面図であ
る。4 is a front view of the first embodiment shown to passage side wall of the present invention.
【図５】本発明の第１実施例を示す重複部の一部切欠き
平面図である。FIG. 5 is a partially cutaway plan view of an overlapping portion according to the first embodiment of the present invention.
【図６】本発明の第１実施例を示す図５のＹ−Ｙ線断面
図である。FIG. 6 is a sectional view taken along line YY of FIG. 5 showing the first embodiment of the present invention.
【図７】本発明の第１実施例を示す定着用凹所の縦断面
図である。FIG. 7 is a vertical cross-sectional view of a fixing recess according to the first embodiment of the present invention.
【図８】本発明の第１実施例を示す目地部の平面図であ
る。FIG. 8 is a plan view of a joint portion showing the first embodiment of the present invention.
【図９】本発明の第１実施例を示す目地部の縦断面図で
ある。FIG. 9 is a vertical cross-sectional view of a joint portion according to the first embodiment of the present invention.
【図１０】本発明の第１実施例を示す高さ調整ボルトの
使用状態における幅方向の縦断面図である。FIG. 10 is a vertical cross-sectional view in the width direction in the use state of the height adjusting bolt according to the first embodiment of the present invention.
【図１１】本発明の第１実施例を示す高さ調整ボルトの
使用状態における正面図である。FIG. 11 is a front view of the height adjusting bolt according to the first embodiment of the present invention in use.
【図１２】本発明の第２実施例を示す幅方向の縦断面図
である。FIG. 12 is a vertical cross-sectional view in the width direction showing a second embodiment of the present invention.
【図１３】本発明の第３実施例を示す幅方向の縦断面図
である。FIG. 13 is a longitudinal sectional view in the width direction showing a third embodiment of the present invention.
【図１４】従来例を示す縦断面図である。FIG. 14 is a vertical cross-sectional view showing a conventional example.
２ 壁本体 ２Ａ 下面２Ｂ 定着用凹所 ３ 平坦傾斜面 ４ 脚部 ６ 凹所 ６Ａ 底面 ７ 挿通孔 11 コンクリート床版（基礎） 12 アンカーボルト（固定部材） 14 弾性部材 16Ａ ばね座金（弾性部材） 17 固定ナット 21 ＰＣ鋼材21Ｔ 端部 30 目地部33 充填材 2 Wall body 2A Lower surface 2B Fixing recess 3 Flat inclined surface 4 Leg 6 Recess 6A Bottom 7 Insertion hole 11 Concrete floor slab (foundation) 12 Anchor bolt (fixing member) 14 Elastic member 16A Spring washer (elastic member) 17 Fixing nut 21 PC steel 21T End 30 Joint 33 Filler
───────────────────────────────────────────────────── フロントページの続き (73)特許権者 000161817 ケイコン株式会社 京都府京都市伏見区淀本町225番地 (73)特許権者 390021197 テイヒュー株式会社 東京都台東区池之端２ー９−７ (73)特許権者 591197699 日本高圧コンクリート株式会社 北海道札幌市中央区南２条西３丁目８番 地 (73)特許権者 000229128 日本ゼニスパイプ株式会社 東京都千代田区岩本町１丁目10番５号 (73)特許権者 390004938 羽田コンクリート工業株式会社 東京都中央区日本橋２丁目16番11号 (73)特許権者 000201504 前田製管株式会社 山形県酒田市上本町６番７号 (73)特許権者 000005854 丸紅株式会社 大阪府大阪市中央区本町２丁目５番７号 (73)特許権者 000138314 株式会社ヤマウ 福岡県福岡市中央区大名１丁目12番56号 八重洲天神ビル (72)発明者 松葉 美晴 新潟県新潟市弁天橋通１丁目８番23号 日本サミコン株式会社内 (72)発明者 赤間 淳一 東京都千代田区麹町４−２ 興和コンク リート株式会社内 (72)発明者 柳澤 正 東京都港区新橋５−33−11 日本ヒュー ム管株式会社内 (56)参考文献 特開 平６−306818（ＪＰ，Ａ) 特開 昭57−123351（ＪＰ，Ａ) 特開 平７−42124（ＪＰ，Ａ) 実開 昭51−154033（ＪＰ，Ｕ) 実開 平７−8425（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) E01F 15/00 - 15/14 E01D 19/10 E01F 8/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (73) Patent holder 000161817 Keicon Co., Ltd. 225 Yodohoncho, Fushimi-ku, Kyoto-shi, Kyoto (73) Patent holder 390021197 Tayhu Co., Ltd. 2-9-7 Ikenohata, Taito-ku, Tokyo (73) Patent holder 591197699 Nippon High-Pressure Concrete Co., Ltd. 3-8, Minami 2 Nishi, Chuo-ku, Sapporo, Hokkaido, Japan (73) Patent holder 000229128 Nippon Zenith Pipe Co., Ltd. 1-10-5 Iwamoto-cho, Chiyoda-ku, Tokyo (73) Patent holder 390004938 Haneda Concrete Industrial Co., Ltd. 2-16-11 Nihonbashi, Chuo-ku, Tokyo (73) Patent holder 000201504 Maeda Pipe Manufacturing Co., Ltd. 6-7 Uehonmachi, Sakata City, Yamagata Prefecture (73) Patent holder 000005854 Marubeni Co., Ltd. 2-5-7 Hommachi, Chuo-ku, Osaka City, Osaka Prefecture (73) Patent holder 000138314 Yamau Corporation Fukuoka, Fukuoka Prefecture 1-12-56 Daimyo, Chuo-ku Yaesu Tenjin Building (72) Inventor Miharu Matsuba 1-8-23 Bentenbashi Dori, Niigata City, Niigata Prefecture (72) Inventor Junichi Akama 4 Kojimachi, Chiyoda-ku, Tokyo -2 Kowa Concrete Co., Ltd. (72) Inventor Tadashi Yanagisawa 5-33-11 Shinbashi, Minato-ku, Tokyo Japan Hume Tube Co., Ltd. (56) Reference JP-A-6-306818 (JP, A) JP 57-123351 (JP, A) JP-A-7-42124 (JP, A) Actual exploitation 51-154033 (JP, U) Actual exploitation Flat 7-8425 (JP, U) (58) Fields investigated (Int .Cl. 7 , DB name) E01F 15/00-15/14 E01D 19/10 E01F 8/00
Claims (2)
ンカーボルトの上部に固定ナットを締付けて壁本体を前
記基礎上に固定してなるコンクリート製路側壁におい
て、前記壁本体の下部に、側面が開口すると共に該壁本
体内の幅方向中央に達する凹所を形成し、この凹所の底
面と壁本体の下面とを連通する挿通孔を該壁本体の幅方
向一側及び他側に形成し、これら挿通孔に対応して前記
アンカーボルトを立設し、前記挿通孔に前記アンカーボ
ルトを挿通し、前記凹所の底面と前記固定ナットとの間
に弾性部材を設け、長さ方向に隣合う前記壁本体の間に
目地材を充填して目地部を設け、前記壁本体の幅方向中
央に長さ方向のＰＣ鋼材を挿通し、このＰＣ鋼材により
複数の前記壁本体を緊張一体化してなることを特徴とす
るコンクリート製路側壁。1. A anchor bolts erected on foundation, the A
In a concrete road side wall obtained by tightening a fixing nut on the upper part of the anchor bolt to fix the wall main body on the foundation, a recess whose side surface opens at the bottom of the wall main body and reaches the center in the width direction inside the wall main body. And a through hole that connects the bottom surface of this recess and the lower surface of the wall body to the width direction of the wall body.
Formed on one side and the other side, and corresponding to these insertion holes
Anchor bolts are installed upright and the anchor bolts are inserted in the insertion holes.
Through the belt , an elastic member is provided between the bottom surface of the recess and the fixing nut, and between the wall bodies adjacent to each other in the length direction.
Filling the joint material to form joints, the width direction of the wall body
Insert the PC steel material in the length direction at the center,
A concrete road side wall, characterized in that a plurality of the wall bodies are tension-integrated .
に前記ＰＣ鋼材の端部を露出し、この露出した端部を斜
め上方に引っ張ることにより緊張力を付与して前記定着
用凹所に定着したことを特徴とする請求項１記載のコン
クリート製路側壁。2. A fixing recess formed on the upper surface of the wall body.
The end of the PC steel is exposed and the exposed end is slanted.
The tension is applied by pulling upward so that the fixing
The concrete road side wall according to claim 1, wherein the side wall is fixed in the recess for use .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10962496A JP3370846B2 (en) | 1996-04-30 | 1996-04-30 | Concrete road side wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10962496A JP3370846B2 (en) | 1996-04-30 | 1996-04-30 | Concrete road side wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09296414A JPH09296414A (en) | 1997-11-18 |
| JP3370846B2 true JP3370846B2 (en) | 2003-01-27 |
Family
ID=14515012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10962496A Expired - Lifetime JP3370846B2 (en) | 1996-04-30 | 1996-04-30 | Concrete road side wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3370846B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5968846B2 (en) * | 2013-10-03 | 2016-08-10 | 株式会社奥村組 | Concrete wall railing mounting structure |
| JP5835371B2 (en) * | 2014-02-05 | 2015-12-24 | Ｊｆｅエンジニアリング株式会社 | Reinforced structure of rigid protective fence |
| JP5880591B2 (en) * | 2014-02-05 | 2016-03-09 | Ｊｆｅエンジニアリング株式会社 | Attaching structure of exterior plate to the outer surface of rigid protective fence |
| JP6850103B2 (en) * | 2016-10-18 | 2021-03-31 | 首都高速道路株式会社 | Precast wall balustrade structure and precast wall balustrade joining method |
| JP6814656B2 (en) * | 2017-02-17 | 2021-01-20 | 鹿島建設株式会社 | Installation method of precast members, temporary retainer |
| CN116084274B (en) * | 2023-01-05 | 2023-12-05 | 湖南省高速公路集团有限公司 | Bridge guardrail heightening structure and construction transformation method |
-
1996
- 1996-04-30 JP JP10962496A patent/JP3370846B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09296414A (en) | 1997-11-18 |
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