JPH0728178Y2 - Reinforced structure of concrete floor slab - Google Patents
Reinforced structure of concrete floor slabInfo
- Publication number
- JPH0728178Y2 JPH0728178Y2 JP2798490U JP2798490U JPH0728178Y2 JP H0728178 Y2 JPH0728178 Y2 JP H0728178Y2 JP 2798490 U JP2798490 U JP 2798490U JP 2798490 U JP2798490 U JP 2798490U JP H0728178 Y2 JPH0728178 Y2 JP H0728178Y2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- concrete floor
- floor slab
- skin
- reinforcing
- 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
- 239000004567 concrete Substances 0.000 title claims description 35
- 230000003014 reinforcing effect Effects 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案はコンクリート床版の補強構造に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a reinforcing structure for a concrete floor slab.
［従来の技術］ 第４図は従来のコンクリート床版の補強構造を示すもの
で、道路橋１の長手方向に延びる主桁２の上面に載置固
着したコンクリート床版３の下面を、複数枚に分割した
スキンプレート（鋼板）4a,4bにより被覆し、架橋後の
経年変化により老朽化の兆しが見られるコンクリート床
版３を補強して、耐用年数の年長を図るようにしてい
る。[Prior Art] FIG. 4 shows a conventional reinforced concrete slab reinforcement structure in which a plurality of lower surfaces of a concrete slab 3 fixedly mounted on the upper surface of a main girder 2 extending in the longitudinal direction of a road bridge 1 are provided. It is covered with skin plates (steel plates) 4a, 4b divided into two, and the concrete floor slab 3, which shows signs of deterioration due to aging after bridge construction, is reinforced to increase the useful life.
スキンプレート4a,4bは、コンクリート床版３及び主桁
２にボルト５にて固着されている。The skin plates 4a and 4b are fixed to the concrete floor slab 3 and the main girder 2 with bolts 5.
［考案が解決しようとする課題］ しかし、上述した従来のコンクリート床版３の補強方法
では、コンクリート床版３の老朽化が進んで第４図に示
すＡ部が剥離した場合には、その剥離したＡ部と一緒に
スキンプレート4a,4bがコンクリート床版３より脱落し
てしまう危険がある。[Problems to be Solved by the Invention] However, in the above-described conventional method of reinforcing a concrete floor slab 3, when the concrete floor slab 3 deteriorates and part A shown in FIG. There is a risk that the skin plates 4a and 4b will fall off from the concrete floor slab 3 together with the part A.
本考案は上述の問題点を解決するもので、コンクリート
床版下面の剥離を効果的に防止して道路橋の耐用年数の
延長を図ることを目的としている。The present invention solves the above-mentioned problems, and it is an object of the present invention to effectively prevent peeling of the lower surface of a concrete floor slab and extend the service life of a road bridge.
［課題を解決するための手段］ 本考案はスキンプレートと該スキンプレートを保持する
補強部材とを備え長手方向に連設することにより主桁間
のコンクリート床版下面を被覆可能な補強板を幅方向に
分割した形状を有する分割ブロックと、該各分割ブロッ
ク相互を一体に連結する為の連結板と、前記各分割ブロ
ックの連結時に隣接する各スキンプレートの連結端面相
互間のシールを行う如く一方の分割ブロックのスキンプ
レート上に固着した張り出しシール板と、前記各分割ブ
ロックにより主桁間に構築される補強板のスキンプレー
ト上面とコンクリート床版下面との間に充填固化した充
填材からなることを特徴とするコンクリート床版の補強
構造にかかるものである。[Means for Solving the Problems] The present invention has a width of a reinforcing plate which is provided with a skin plate and a reinforcing member for holding the skin plate and is continuously provided in the longitudinal direction so as to cover the lower surface of the concrete floor slab between the main girders. A divided block having a divided shape in the direction, a connecting plate for integrally connecting the divided blocks, and one for sealing the connecting end faces of the skin plates adjacent to each other when the divided blocks are connected. Of the overhanging seal plate fixed on the skin plate of the divided block, and the filling material filled and solidified between the upper surface of the skin plate of the reinforcing plate constructed between the main girders of the divided blocks and the lower surface of the concrete floor slab. The present invention relates to a reinforced structure for a concrete floor slab.
［作用］ 従って、本考案では、コンクリート床版下面と補強板の
スキンプレートとの間に充填固化した充填材によって前
記コンクリート床版下面が前面にわたって押えられるの
で、該コンクリート床版下面の剥離が防止され、又、コ
ンクリート床版下面が補強板を介して主桁で支持される
ので、コンクリート床版下面の荷重負担が軽減され耐用
年数の延長が図られる。[Operation] Therefore, in the present invention, the lower surface of the concrete floor slab is prevented from being peeled off because the lower surface of the concrete floor slab is pressed over the front surface by the filling material that is filled and solidified between the lower surface of the concrete floor slab and the skin plate of the reinforcing plate. Moreover, since the lower surface of the concrete floor slab is supported by the main girder via the reinforcing plate, the load on the lower surface of the concrete floor slab is reduced and the service life is extended.
又、補強板を各分割ブロックに分割して該分割ブロック
を別々に主桁に取付けるようにすることによって取付作
業及び運搬作業の作業性が向上される。Further, by dividing the reinforcing plate into the respective divided blocks and separately attaching the divided blocks to the main girder, workability of the mounting work and the carrying work is improved.
又、各分割ブロックの連結時に隣接する各スキンプレー
トの連結端面相互間と一方のスキンプレート上に固着し
た張り出しシール板によってシールすることが可能とな
る。Further, when connecting the divided blocks, it is possible to perform sealing between the connecting end faces of the adjacent skin plates and by the overhanging seal plate fixed on one of the skin plates.
［実施例］ 以下、図面に基づいて本考案の実施例を説明する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
第１図〜第３図は本考案の一実施例であり、図中第４図
と同一の符号を付した部分は同一物を表わしている。1 to 3 show an embodiment of the present invention, in which the same reference numerals as those in FIG. 4 represent the same parts.
図示するように、一方の主桁２から他方の主桁２に向っ
て延びるアーチ形状を有し、且つ道路橋１の長手方向に
所定の長さ寸法ｌを有しているスキンプレート６の下面
に、補強部材として道路橋１の幅方向に延びる横リブ７
と道路橋１の長手方向に延びる縦リブ８とを格子状に固
着した構成を有する補強板９を、該補強板９が幅方向中
央位置にて予め２分割された形状を有する分割ブロック
9a,9bとし、この分割ブロック9a,9bを連結することによ
り主桁2,2間に一体の補強板９を架設する。As shown in the drawing, the lower surface of the skin plate 6 has an arch shape extending from one main girder 2 toward the other main girder 2 and has a predetermined length dimension 1 in the longitudinal direction of the road bridge 1. A lateral rib 7 extending in the width direction of the road bridge 1 as a reinforcing member.
And a vertical rib 8 extending in the longitudinal direction of the road bridge 1, a reinforcing plate 9 having a structure in which the reinforcing plate 9 is fixed in a lattice shape, and the reinforcing plate 9 is divided into two at the center position in the width direction.
9a and 9b, and by connecting the divided blocks 9a and 9b, an integral reinforcing plate 9 is installed between the main girders 2 and 2.
更に、斯かる補強板９を、前記コンクリート床版３下面
を道路橋１長手方向に連続的に被覆し得るよう該方向に
複数連設し、各補強板９のスキンプレート６上面とコン
クリート床版３下面との間に形成される空間に骨材を混
合した合成樹脂等の充填材10を充填固化せしめて補強構
造11を構成する。Further, a plurality of such reinforcing plates 9 are continuously arranged in the longitudinal direction of the road bridge 1 so that the lower surface of the concrete floor plate 3 can be continuously covered in the longitudinal direction, and the upper surface of the skin plate 6 of each reinforcing plate 9 and the concrete floor plate. 3. A reinforcing structure 11 is formed by filling and solidifying a filler 10 such as a synthetic resin mixed with an aggregate in a space formed between the lower surface and the lower surface.
ここで、前記補強板９を構成する各分割ブロック9a,9b
の横リブ7a,7bは、一端を夫々前記各主桁2,2の長手方向
所定位置に固着したスティフナ12,12にボルト締結する
ことにより前記各主桁2,2に連結され、且つ他端同士
を、その垂直面継手用の連結板13及び各横リブ7a,7b下
端に形成したフランジ部16a,16b継手用の連結板14を介
してボルト締結することにより連結している。Here, each of the divided blocks 9a, 9b constituting the reinforcing plate 9
The horizontal ribs 7a, 7b are connected to the main girders 2, 2 by bolting one end to stiffeners 12, 12 fixed at predetermined positions in the longitudinal direction of the main girders 2, 2, respectively, and the other end The vertical plane joints are connected to each other by bolts through the connecting plate 13 for vertical surface joints and the connecting plates 14 for flanges 16a, 16b joints formed at the lower ends of the horizontal ribs 7a, 7b.
又、前記各分割ブロック9a,9bのスキンプレート6a,6b
は、一端を夫々前記各主桁2,2の上端水平部17,17の下面
に溶接することにより前記各主桁2,2に固着され、且つ
他端同士を溶接することにより接合している。Also, the skin plates 6a, 6b of the divided blocks 9a, 9b
Is fixed to the main girders 2, 2 by welding one end to the lower surface of the upper end horizontal portions 17, 17 of the main girders 2, 2 respectively, and the other ends are joined by welding. .
又、道路橋１長手方向に隣接する各補強板９の縦リブ8,
8同士は、連結板15を介してボルト締結することにより
連結している。The vertical ribs 8 of the reinforcing plates 9 adjacent to the longitudinal direction of the road bridge 1,
The eight members are connected by bolting via a connecting plate 15.
又、補強板９を構成する幅方向の各分割ブロック9a,9b
の一方のスキンプレート6a上には、幅方向の両スキンプ
レート6a,6bの連結端面18,18相互間のシールを行う為の
張り出しシール板20が固着されている。この張り出しシ
ール板20が、前記両スキンプレート6a,6bの長さ寸法ｌ
と同等の長さ寸法を有して道路橋１長手方向に延び、且
つ前記一方のスキンプレート6aに対し道路橋１長手方向
に所定長さずらした位置に幅方向一端側半分を固着され
て他端側半分が他方のスキンプレート6b上に乗り上がる
ようになっており、前記連結端面18,18相互間を上方か
ら被覆すると共に、前記道路橋１長手方向にずらした分
は該長手方向前後に隣接する補強板９の同様にずらして
固着した張り出しシール板20によって相互に被覆し合う
ようにしてある。Further, the divided blocks 9a, 9b in the width direction which form the reinforcing plate 9
On one of the skin plates 6a, an overhanging seal plate 20 for sealing between the connecting end faces 18, 18 of the two skin plates 6a, 6b in the width direction is fixed. This overhanging seal plate 20 is the length dimension l of both skin plates 6a, 6b.
It has the same length dimension as that of the road bridge 1 and extends in the longitudinal direction of the road bridge 1, and one half of the width direction is fixed to the other skin plate 6a at a position displaced by a predetermined length in the longitudinal direction of the road bridge 1. The half of the end side rides on the other skin plate 6b, covers the space between the connecting end faces 18 and 18 from above, and shifts in the longitudinal direction of the road bridge 1 to the front and rear in the longitudinal direction. The adjacent reinforcing plates 9 are covered with each other by the protruding sealing plates 20 which are similarly fixed by being shifted.
又、前記道路橋１長手方向に隣接する各分割ブロック9
a,9a又は9b,9bの一方のスキンプレート6a又は6b上に
は、前記長手方向の両スキンプレート6a,6a又は6b,6bの
連結端面19,19相互間のシールを行う為の張り出しシー
ル板21が固着されている。この張り出しシール板21は前
述した張り出しシール板20の側部に接する位置から主桁
2,2上端水平部17,17内側面に達する位置まで前記スキン
プレート6a又は6bに沿って幅方向に延び、且つ前記一方
のスキンプレート6a又は6bに道路橋１長手方向の一端側
半分を固着されて他端側半分が他方のスキンプレート6a
又は6b上に乗り上がるようになっており、前記連結端面
19,19相互間を上方から被覆するようにしてある。In addition, each of the divided blocks 9 adjacent in the longitudinal direction of the road bridge 1
On one of the skin plates 6a or 6b of a, 9a or 9b, 9b, an overhanging seal plate for sealing between the connecting end faces 19, 19 of the two skin plates 6a, 6a or 6b, 6b in the longitudinal direction. 21 is stuck. This overhanging seal plate 21 starts from the position where it touches the side portion of the overhanging seal plate 20 described above, and is the main girder.
2,2 Extends in the width direction along the skin plate 6a or 6b to a position reaching the inner surface of the upper end horizontal portion 17,17, and fastens one end half of the road bridge 1 longitudinal direction to the one skin plate 6a or 6b The other half is the other half skin plate 6a
Or it is designed to ride on 6b, and the connecting end face
It covers between 19,19 from above.
従って、上記構成によれば、コンクリート床版３の主桁
2,2間下面を補強板９で道路橋１の長手方向に連続的に
被覆し、コンクリート床版３と補強板９のスキンプレー
ト６との間に充填材10を充填固化したことによって該充
填材10で前記コンクリート床版３下面を全面にわたって
押さえることができ、剥離の発生を効果的に防止するこ
とができると共に、前記コンクリート床版３下面をスキ
ンプレート６、横リブ７等を介して主桁２で支持するこ
とができるので、コンクリート床版３の耐用年数を延長
することができる。Therefore, according to the above configuration, the main girder of the concrete floor slab 3
The lower surface between the 2 and 2 is continuously covered with a reinforcing plate 9 in the longitudinal direction of the road bridge 1, and a filling material 10 is filled and solidified between the concrete floor slab 3 and the skin plate 6 of the reinforcing plate 9 to achieve the filling. The lower surface of the concrete floor slab 3 can be pressed over the entire surface by the material 10, and the occurrence of peeling can be effectively prevented, and the lower surface of the concrete floor slab 3 is mainly connected via the skin plate 6, the lateral ribs 7, etc. Since it can be supported by the girder 2, the service life of the concrete floor slab 3 can be extended.
更に、前記補強板９を幅方向に分割した分割ブロック9
a,9bを連結することにより構成しているので、前記補強
板９を該補強板９の幅寸法と略等しい主桁2,2間に取付
けるような技術的に困難な取付作業を例えば第１図中左
側の実線で示す分割ブロック9aを取付けた後、右側の二
点鎖線で示す分割ブロック9bを取付けるようにする等し
て極めて容易に行うことができ、又、これら分割ブロッ
ク9a,9bの運搬も極めて容易に行うことができる。Further, a divided block 9 obtained by dividing the reinforcing plate 9 in the width direction.
Since it is configured by connecting a and 9b, technically difficult mounting work such as mounting the reinforcing plate 9 between the main girders 2 and 2 having substantially the same width dimension as the reinforcing plate 9 is performed, for example This can be done extremely easily by attaching the divided block 9a shown by the solid line on the left side in the figure and then attaching the divided block 9b shown by the two-dot chain line on the right side. It can also be transported very easily.
又、各分割ブロック9a,9b相互の幅方向、及び道路橋１
長手方向の連結時、各スキンプレート6a,6bの幅方向の
連結端面18,18相互間、及び道路橋１長手方向の連結端
面19,19相互間を、張り出しシール板20及び21により上
から被覆してシールすることができるので、充填材10の
充填作業を極めて良好に行うことができる。In addition, the width direction of each of the divided blocks 9a and 9b, and the road bridge 1
At the time of connecting in the longitudinal direction, the widthwise connecting end surfaces 18, 18 of the respective skin plates 6a, 6b and the connecting end surfaces 19, 19 in the longitudinal direction of the road bridge 1 are covered with overhanging seal plates 20 and 21 from above. Therefore, the filling operation of the filling material 10 can be performed extremely well.
尚、本考案のコンクリート床版の補強構造は、上述の実
施例にのみ限定されるものではなく、本考案の要旨を逸
脱しない範囲内において種々変更を加え得ることは勿論
である。The concrete floor slab reinforcement structure of the present invention is not limited to the above-described embodiment, and various modifications may be made without departing from the scope of the present invention.
［考案の効果］ 以上説明したように本考案のコンクリート床版の補強構
造によれば、下記の如き種々の優れた効果を奏し得る。[Advantages of the Invention] As described above, according to the reinforcing structure for a concrete floor slab of the present invention, various excellent effects as described below can be obtained.
（Ｉ）コンクリート床版下面と補強板のスキンプレート
との間に充填固化した充填材によって、コンクリート床
版下面を全面にわたって押さえることができるのでコン
クリート床版下面の剥離を効果的に防止することができ
る。(I) The lower surface of the concrete floor slab can be effectively prevented because the lower surface of the concrete floor slab can be pressed down by the filling material that is filled and solidified between the lower surface of the concrete floor slab and the skin plate of the reinforcing plate. it can.
（II）コンクリート床版下面を、分割ブロックを連結し
て構成した補強板を介して主桁で支持することができる
ので、コンクリート床版の耐用年数の延長を図ることが
できる。(II) Since the lower surface of the concrete floor slab can be supported by the main girder through the reinforcing plate configured by connecting the divided blocks, the service life of the concrete floor slab can be extended.
（III）補強板を各分割ブロックして運搬することがで
きるので、運搬作業が極めて容易となる。(III) Since the reinforcing plate can be divided into blocks and can be carried, the carrying work becomes extremely easy.
（IV）各分割ブロックの連結時に隣接する各スキンプレ
ートの連結端面相互間を一方のスキンプレート上に固着
した張り出しシール板によってシールすることができる
ので、充填材の充填作業を極めて容易に行うことができ
る。(IV) When connecting the divided blocks, since the connecting end faces of the adjacent skin plates can be sealed by the overhanging seal plate fixed on one of the skin plates, the filling work of the filler can be performed very easily. You can
（Ｖ）補強板を各分割ブロックに分割して該分割ブロッ
クを別々に主桁に取付けることにより補強板を該補強板
の幅寸法と略等しい主桁間に取付けるような技術的に困
難な取付作業を極めて容易に行うことができる。(V) A technically difficult attachment in which the reinforcing plate is divided into each of the divided blocks and the divided blocks are separately attached to the main girders so that the reinforcing plate is attached between the main girders having substantially the same width dimension as the reinforcing plate. The work can be performed extremely easily.
第１図は本考案の一実施例の断面図、第２図は第１図の
II-II方向の矢視図、第３図は第２図のIII-III方向の矢
視図、第４図は従来例を示す断面図である。 図中、２は主桁、３はコンクリート床版、6,6a,6bはス
キンプレート、7,7a,7bは横リブ（補強部材）、８は縦
リブ（補強部材）、９は補強板、9a,9bは分割ブロッ
ク、10は充填材、11は補強構造、13,14,15は連結板、1
8,19は連結端面、20,21は張り出しシール板を示す。1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of FIG.
II-II direction arrow view, FIG. 3 is a III-III direction arrow view of FIG. 2, and FIG. 4 is a sectional view showing a conventional example. In the figure, 2 is a main girder, 3 is a concrete floor slab, 6, 6a and 6b are skin plates, 7, 7a and 7b are lateral ribs (reinforcing members), 8 is vertical ribs (reinforcing members), 9 is a reinforcing plate, 9a and 9b are divided blocks, 10 is a filler, 11 is a reinforcing structure, 13, 14 and 15 are connecting plates, 1
Reference numerals 8 and 19 denote connecting end surfaces, and reference numerals 20 and 21 denote protruding seal plates.
Claims (1)
する補強部材とを備え長手方向に連設することにより主
桁間のコンクリート床版下面を被覆可能な補強板を幅方
向に分割した形状を有する分割ブロックと、該各分割ブ
ロック相互を一体に連結する為の連結板と、前記各分割
ブロックの連結時に隣接する各スキンプレートの連結端
面相互間のシールを行う如く一方の分割ブロックのスキ
ンプレート上に固着した張り出しシール板と、前記各分
割ブロックにより主桁間に構築される補強板のスキンプ
レート上面とコンクリート床版下面との間に充填固化し
た充填材からなることを特徴とするコンクリート床版の
補強構造。1. A reinforcing plate which has a skin plate and a reinforcing member for holding the skin plate and is continuously provided in the longitudinal direction so as to cover the lower surface of the concrete floor slab between the main girders and has a shape divided in the width direction. On the skin plate of one of the divided blocks, a connecting plate for integrally connecting the divided blocks, and a connecting end face of each of the skin plates adjacent to each other when the divided blocks are connected to each other so as to seal each other. A concrete floor slab characterized by comprising an overhanging seal plate fixedly attached to the slab and a filling material filled and solidified between the upper surface of the skin plate of the reinforcing plate constructed between the main girders by the respective divided blocks and the lower surface of the concrete slab. Reinforcement structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2798490U JPH0728178Y2 (en) | 1990-03-19 | 1990-03-19 | Reinforced structure of concrete floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2798490U JPH0728178Y2 (en) | 1990-03-19 | 1990-03-19 | Reinforced structure of concrete floor slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03119014U JPH03119014U (en) | 1991-12-09 |
| JPH0728178Y2 true JPH0728178Y2 (en) | 1995-06-28 |
Family
ID=31530812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2798490U Expired - Lifetime JPH0728178Y2 (en) | 1990-03-19 | 1990-03-19 | Reinforced structure of concrete floor slab |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728178Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339807A (en) * | 1976-09-22 | 1978-04-12 | Western Electric Co | Cellular mobile radio communication system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5982143B2 (en) * | 2012-03-15 | 2016-08-31 | 株式会社大林組 | Reinforcing structure and reinforcing method for existing structure |
-
1990
- 1990-03-19 JP JP2798490U patent/JPH0728178Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339807A (en) * | 1976-09-22 | 1978-04-12 | Western Electric Co | Cellular mobile radio communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03119014U (en) | 1991-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |