JP2861219B2 - Bridge deck repair steel slab and its mounting method - Google Patents
Bridge deck repair steel slab and its mounting methodInfo
- Publication number
- JP2861219B2 JP2861219B2 JP7105490A JP7105490A JP2861219B2 JP 2861219 B2 JP2861219 B2 JP 2861219B2 JP 7105490 A JP7105490 A JP 7105490A JP 7105490 A JP7105490 A JP 7105490A JP 2861219 B2 JP2861219 B2 JP 2861219B2
- Authority
- JP
- Japan
- Prior art keywords
- rib
- road surface
- main girder
- fixed
- surface 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
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、高速道路等の橋梁において、路面に使用し
ているコンクリート床版が老朽化したため、鋼床版に張
替えるために使用する橋梁補修用鋼床版と、その取付方
法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a bridge used for replacing a concrete slab used on a road surface with a steel slab in a bridge such as an expressway. The present invention relates to a repair slab and a method of mounting the slab.
［従来の技術］ 従来の橋梁には、第３図に示すように主桁１の上に、
鉄筋を入れてコンクリートを打設したコンクリート床版
２を設けて路面としているものがある。[Prior art] A conventional bridge has a main girder 1 as shown in FIG.
There is a road surface provided with a concrete floor slab 2 in which concrete is poured by reinforcing steel.
このようなコンリート床版２が長年の使用によって老
朽化したため、路面を張替える必要が生じた場合、老朽
化したコンクリート床版２を撤去した後、新しく鉄筋を
組んでコンクリートを打設し、新しいコンクリート床版
２に張替えると、鉄筋の組立、コンクリートの打設、コ
ンクリートの硬化に日数がかかり、橋梁の補修作業とし
ては通行に支障を与える期間が長くなって好ましくな
い。When such a concrete floor slab 2 has been deteriorated due to long-term use and the road surface needs to be rehabilitated, the old concrete slab 2 is removed, concrete is laid with new reinforcing bars, and new concrete is cast. If the concrete floor slab 2 is replaced, it takes days to assemble the rebar, lay concrete, and harden the concrete, which is unfavorable because repair repair work of a bridge requires a long period of time to hinder traffic.
一方、橋梁の路面として使用されるものに、鋼板を溶
接等によって組立てた第５図に示す鋼床版３がある。鋼
床版３は路面板４の下面に横リブ５が溶接され、横リブ
５と直交する方向に縦リブ６と補助主桁７が溶接されて
いる。On the other hand, a steel slab 3 shown in FIG. 5 in which a steel plate is assembled by welding or the like is used as a road surface of a bridge. The horizontal rib 5 is welded to the lower surface of the road surface plate 4 of the steel slab 3, and the vertical rib 6 and the auxiliary main girder 7 are welded in a direction orthogonal to the horizontal rib 5.
このような鋼床版３の強度をコンクリート床版２と同
じ強度にするためには、鋼床版の高さ８をコンクリート
床版の高さ９（第３図参照）に比して大きくする必要が
ある。In order to make the strength of the steel slab 3 the same as that of the concrete slab 2, the height 8 of the steel slab is made larger than the height 9 of the concrete slab (see FIG. 3). There is a need.
［発明が解決しようとする課題］ 第４図に示すようにコンクリート床版２を撤去したあ
との主桁１上に従来の鋼床版３をそのまま取付けると、
鋼床版の高さ８がコンクリート床版の高さ９よりも大き
いため、鋼床版３の路面板４の位置が、それまで使用し
ていたコンクリート床版２の上面よりも高くなり、取付
道路との間に段差ができてしまう問題があった。[Problems to be Solved by the Invention] As shown in FIG. 4, when the conventional steel slab 3 is directly attached on the main girder 1 after the concrete slab 2 is removed,
Since the height 8 of the steel slab is larger than the height 9 of the concrete slab, the position of the road surface plate 4 of the steel slab 3 is higher than the upper surface of the concrete slab 2 which has been used up to now. There was a problem that a step was formed between the road and the road.
本発明はこのような問題を解決し、コンクリート床版
を鋼床版に替えても、取付道路との間に段差が生じない
ようにした橋梁補修用鋼床版および橋梁補修用鋼床版の
取付方法を提供することを目的とするものである。The present invention solves such a problem, and even if a concrete slab is replaced with a steel slab, a bridge repair steel slab and a bridge repair steel slab that prevent a step from being formed between the concrete slab and an installation road. It is intended to provide an attachment method.
［課題を解決するための手段］ 本発明は、路面板と横リブとを別体に構成し、前記路
面板の下面には主桁の上にのせた状態で前記路面板の上
面が撤去前のコンクリート床版の場合と同一高さになる
ようにした高さの低い補助主桁を固着し、前記路面板の
下面にはさらに多数の縦リブを互に平行にして固着し、
該縦リブと前記路面板の下面とにわたって縦リブと直角
な路面板側補強リブを鉛直に固着し、前記横リブの上面
には横リフ側補強リブを前記路面板側補強リブの位置に
対応させて鉛直に固着したことを特徴とする橋梁補修用
鋼床版、および横リブと路面板そを備えており、横リブ
の上面には、鉛直な横リブ側補強リブが予め固着されて
おり、また、路面板の下面には、コンクリート床版を撤
去した主桁上に載置可能な補助主桁が予め固着されてい
ると共に、補助主桁と平行な縦リブ、及び該縦リブと路
面板下面とにわたって鉛直で且つ縦リブと直角な路面板
側補強リブが予め固着されおり、前記横リブの両端を主
桁の側面に固着し、路面板の補助主桁を主桁上に載置
し、前記路面板側補強リブと前記横リブ側補強リブとの
面を当接させて結合することを特徴とする橋梁補修用鋼
床版の取付方法である。Means for Solving the Problems According to the present invention, a road surface plate and a lateral rib are separately formed, and an upper surface of the road surface plate is placed on a main girder on a lower surface of the road surface plate before removal. Auxiliary main girder having a low height fixed to the same height as that of the concrete floor slab is fixed, and a plurality of vertical ribs are further fixed to the lower surface of the road surface plate in parallel with each other,
A road surface plate side reinforcing rib perpendicular to the vertical rib is vertically fixed across the vertical rib and the lower surface of the road surface plate, and a horizontal riff side reinforcing rib is disposed on an upper surface of the horizontal rib corresponding to a position of the road surface plate side reinforcing rib. It is provided with a steel deck for repairing bridges, characterized by being fixed vertically, and a horizontal rib and a road surface plate. On the upper surface of the horizontal rib, a vertical horizontal rib-side reinforcing rib is fixed in advance. An auxiliary main girder that can be placed on the main girder from which the concrete slab has been removed is fixed to the lower surface of the road surface plate in advance, and a vertical rib parallel to the auxiliary main girder, and the vertical rib and the road, A road surface plate-side reinforcing rib that is vertical and perpendicular to the vertical ribs across the lower surface of the surface plate is fixed in advance. Then, the surfaces of the road surface plate side reinforcing rib and the lateral rib side reinforcing rib are brought into contact with each other and connected. A method of mounting bridge repair steel deck, wherein Rukoto.
［作用］ 別体とした路面板と横リブは、後で連結することによ
り一体の鋼床版を形成する。[Operation] The road surface plate and the lateral ribs which are separately formed form an integrated steel slab by being connected later.
主桁の側面に両端を固着した横リブ上面の横リブ側補
強リブに、補助主桁を主桁上に固定するようにした路面
板の路面板側補強リブを当接させて結合することによ
り、鋼床版の路面板は、撤去したコンクリート床版の上
面と同じ高さになる。By connecting the road side plate side reinforcing ribs of the road surface plate that fixes the auxiliary main girder on the main girder to the side rib side reinforcing ribs on the upper side of the horizontal ribs whose both ends are fixed to the side surface of the main girder. The steel slab will be flush with the top of the removed concrete slab.
［実施例］ 以下、本発明の実施例を図面を参照して説明する。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図において10は路面板、11は横リブであって、従
来は第５図において説明したように一体にしていたもの
を、本発明では別体に構成したものである。In FIG. 1, reference numeral 10 denotes a road surface plate, and reference numeral 11 denotes a lateral rib. In the present invention, what is conventionally integrated as described in FIG.
路面板10の下面には補助主桁12と互に平行な多数の縦
リブ13とが固着されている。補助主桁12の路面板10の上
面までの高さ14は、第５図に示した従来の鋼床版の高さ
８よりも低い高さになっていて、補助主桁12を第２図に
示すように主桁１上にのせた状態で路面板10の上面の高
さが、コンクリート床版の高さ９（第３図参照）と同一
高さになる寸法にされている。路面板10の下面に平行に
多数固着されている縦リブ13の各１対の組と路面板10の
下面とにわたって路面板側補強リブ15が鉛直に固着して
あって、路面板側補強リブ15には多数のボルト挿通孔16
が穿設されている。The auxiliary main girder 12 and a number of parallel vertical ribs 13 are fixed to the lower surface of the road surface plate 10. The height 14 of the auxiliary main girder 12 to the upper surface of the road surface plate 10 is lower than the height 8 of the conventional steel deck shown in FIG. As shown in FIG. 3, the height of the upper surface of the road surface plate 10 is set to the same height as the height 9 (see FIG. 3) of the concrete floor slab when placed on the main girder 1. A road surface plate-side reinforcing rib 15 is vertically fixed over a pair of longitudinal ribs 13 fixed in parallel to the lower surface of the road surface plate 10 and the lower surface of the road surface plate 10. 15 has many bolt insertion holes 16
Are drilled.
横リブ11の上面には、前述した路面板側補強リブ15の
位置に対応するように横リブ側補強リブ17が鉛直に固着
してあって、横リブ側補強リブ17には、路面板側補強リ
ブ15のボルト挿通孔16の配列と一致するように、ボルト
挿通孔18が穿設されている。On the upper surface of the lateral rib 11, a lateral rib-side reinforcing rib 17 is vertically fixed so as to correspond to the position of the road surface plate-side reinforcing rib 15 described above. Bolt insertion holes 18 are formed so as to match the arrangement of the bolt insertion holes 16 of the reinforcing ribs 15.
コンクリート床版２を撤去した主桁１の側面には、第
１図、第２図に示すように副板19を固着し、この副板19
を介して横リブ11の両端を主桁１の側面に固着する。横
リブ11の両端の副板19に対する固着は、ボルト締めまた
は溶接によって行なう。A sub-board 19 is fixed to the side of the main girder 1 from which the concrete slab 2 has been removed, as shown in FIGS.
The both ends of the horizontal rib 11 are fixed to the side surface of the main girder 1 through the ribs. The lateral ribs 11 are fixed to the sub-plate 19 at both ends by bolting or welding.
主桁１上には路面板10の補助主桁12を第２図に示すよ
うにのせて、路面板側補強リブ15の面を横リブ側補強リ
ブ17の面に当接させた状態で補助主桁12の下端を主桁１
に固定する。An auxiliary main girder 12 of the road surface plate 10 is placed on the main girder 1 as shown in FIG. 2, and the auxiliary surface of the road surface plate side reinforcing ribs 15 is brought into contact with the horizontal rib side reinforcing ribs 17 in an auxiliary state. Main girder 1 at lower end of main girder 12
Fixed to.
次に互に面が当接している路面板側補強リブ15と横リ
ブ側補強リブ17とのボルト挿通孔16,18にボルトを挿通
して路面板側補強リブ15と横リブ側補強リブ17とを結合
する。これによって別体に構成した路面板10と横リブ11
とは路面板側補強リブ15および横リブ側補強リブ17を介
して一体的に結合され、十分な強度を保つことになる。Next, bolts are inserted into the bolt insertion holes 16 and 18 of the road surface plate side reinforcing ribs 15 and the lateral rib side reinforcing ribs 17 whose surfaces are in contact with each other, so that the road surface plate side reinforcing ribs 15 and the lateral rib side reinforcing ribs 17 are provided. And As a result, the road surface plate 10 and the lateral rib 11 which are separately configured
Are integrally connected via the road surface plate side reinforcing ribs 15 and the lateral rib side reinforcing ribs 17 to maintain sufficient strength.
なお、路面板側補強リブ15と横リブ側補強リブ17との
結合は、ボルトによらず溶接によってもよい。この場合
には、ボルト挿通孔16,18は穿設する必要がない。The connection between the road surface plate-side reinforcing ribs 15 and the lateral rib-side reinforcing ribs 17 may be performed by welding without using bolts. In this case, the bolt insertion holes 16, 18 do not need to be drilled.
［発明の効果］ 本発明は、橋梁のコンクリート床版を鋼床版に張替え
る場合に、鋼床版を別体の路面板と横リブにて構成し、
横リブを主桁側部間に固定し、路面板を主桁上および横
リブ上に固定するようにしたので、鋼床版の路面の高さ
をコンクリート床版の場合と同じ高さにすることができ
るため、取付道路との間に段差を生ずることがなく、し
かも路面高さを押えながら十分な強度を保持することが
できる。[Effects of the Invention] The present invention is configured such that when a concrete slab of a bridge is replaced with a steel slab, the steel slab is constituted by a separate road surface plate and a lateral rib,
The horizontal ribs are fixed between the main girder sides, and the road surface plate is fixed on the main girder and the horizontal ribs, so that the height of the road surface of the steel slab is the same as that of the concrete slab. Therefore, there is no step between the road and the mounting road, and sufficient strength can be maintained while holding down the road surface height.
【図面の簡単な説明】 第１図は本発明の一実施例の縦断面図、第２図は路面板
と横リブとを結合した状態を示す縦断面図、第３図はコ
ンクリート床版の縦断面図、第４図はコンクリート床版
と従来の鋼床版との高さの差を示す縦断面図、第５図は
従来の鋼床版の縦断面図である。 図中、１は主桁、２はコンクリート床版、10は路面板、
11は横リブ、12は補助主桁、13は縦リブ、14は高さ、15
は路面板側補強リブ、17は横リブ側補強リブを示す。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of one embodiment of the present invention, FIG. 2 is a longitudinal sectional view showing a state in which a road surface plate and a horizontal rib are connected, and FIG. FIG. 4 is a longitudinal sectional view showing a height difference between a concrete slab and a conventional steel slab, and FIG. 5 is a longitudinal sectional view of a conventional steel slab. In the figure, 1 is a main girder, 2 is a concrete floor slab, 10 is a road board,
11 is horizontal rib, 12 is auxiliary main girder, 13 is vertical rib, 14 is height, 15
Denotes a road surface plate side reinforcing rib, and 17 denotes a lateral rib side reinforcing rib.
Claims (2)
面板の下面には主桁の上にのせた状態で前記路面板の上
面が撤去前のコンクリート床版の場合と同一高さになる
ようにした高さの低い補助主桁を固着し、前記路面板の
下面にはさらに多数の縦リブを互に平行にして固着し、
該縦リブと前記路面板の下面とにわたって縦リブと直角
な路面板側補強リブを鉛直に固着し、前記横リブの上面
には横リブ側補強リブを前記路面板側補強リブの位置に
対応させて鉛直に固着したことを特徴とする橋梁補修用
鋼床版。1. A road plate and a lateral rib are formed separately, and the lower surface of the road plate is placed on a main girder, and the upper surface of the road plate is the same as that of a concrete slab before being removed. Auxiliary main girder having a low height fixed to the height is fixed, and a plurality of vertical ribs are fixed to the lower surface of the road surface plate in parallel with each other,
A road surface plate side reinforcing rib perpendicular to the vertical rib is vertically fixed over the vertical rib and the lower surface of the road surface plate, and a horizontal rib side reinforcing rib is provided on an upper surface of the horizontal rib corresponding to a position of the road surface plate side reinforcing rib. A steel slab for bridge repair characterized by being fixed vertically.
上面には、鉛直な横リブ側補強リブが予め固着されてお
り、また、路面板の下面には、コンクリート床版を撤去
した主桁上に載置可能な補助主桁が予め固着されている
と共に、補助主桁と平行な縦リブ、及び該縦リブと路面
板下面とにわたって鉛直で且つ縦リブと直角な路面板側
補強リブが予め固着されており、前記横リブの両端を主
桁の側面に固着し、路面板の補助主桁を主桁上に載置
し、前記路面板側補強リブと前記横リブ側補強リブとの
面を当接させて結合することを特徴とする請求項１記載
の橋梁補修用鋼床版の取付方法。2. The vehicle according to claim 1, further comprising a horizontal rib and a road surface plate, a vertical horizontal rib-side reinforcing rib fixed on an upper surface of the horizontal rib in advance, and a concrete floor slab on a lower surface of the road surface plate. An auxiliary main girder that can be placed on the removed main girder is fixed in advance, and a vertical rib parallel to the auxiliary main girder, and a road surface plate perpendicular to the vertical rib and the lower surface of the road surface plate and perpendicular to the vertical rib. Side reinforcement ribs are fixed in advance, both ends of the horizontal ribs are fixed to the side surfaces of the main girder, auxiliary main girder of the road surface plate is placed on the main girder, and the road surface side reinforcement ribs and the side rib side 2. The method for mounting a steel deck for repairing a bridge according to claim 1, wherein the reinforcing rib is brought into contact with a surface of the reinforcing rib and joined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7105490A JP2861219B2 (en) | 1990-03-20 | 1990-03-20 | Bridge deck repair steel slab and its mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7105490A JP2861219B2 (en) | 1990-03-20 | 1990-03-20 | Bridge deck repair steel slab and its mounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03271408A JPH03271408A (en) | 1991-12-03 |
| JP2861219B2 true JP2861219B2 (en) | 1999-02-24 |
Family
ID=13449424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7105490A Expired - Lifetime JP2861219B2 (en) | 1990-03-20 | 1990-03-20 | Bridge deck repair steel slab and its mounting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2861219B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4627383B2 (en) * | 2001-05-10 | 2011-02-09 | 株式会社Ｉｈｉインフラシステム | Replaced steel deck bridge |
| JP4668760B2 (en) * | 2005-10-11 | 2011-04-13 | 三菱重工鉄構エンジニアリング株式会社 | Steel bridge repair and reinforcement structure and method |
| JP2007327256A (en) * | 2006-06-08 | 2007-12-20 | Nippon Steel Corp | Fatigue-resistant steel floor slab |
| KR100899166B1 (en) * | 2009-01-30 | 2009-05-26 | 노윤근 | Lengthwise slope upward control method of steel bridge |
| CN113216017A (en) * | 2021-05-12 | 2021-08-06 | 山西省交通科技研发有限公司 | Steel-encased ultrahigh-performance concrete reinforcing method for box girder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858308A (en) * | 1981-10-02 | 1983-04-06 | 日本鋼管株式会社 | Repairing of bridge beam floor plate by steel floor panel |
-
1990
- 1990-03-20 JP JP7105490A patent/JP2861219B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03271408A (en) | 1991-12-03 |
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