JPH0711213Y2 - Concrete floor slab mounting structure - Google Patents
Concrete floor slab mounting structureInfo
- Publication number
- JPH0711213Y2 JPH0711213Y2 JP9909489U JP9909489U JPH0711213Y2 JP H0711213 Y2 JPH0711213 Y2 JP H0711213Y2 JP 9909489 U JP9909489 U JP 9909489U JP 9909489 U JP9909489 U JP 9909489U JP H0711213 Y2 JPH0711213 Y2 JP H0711213Y2
- Authority
- JP
- Japan
- Prior art keywords
- clip
- floor slab
- end side
- reaction force
- concrete floor
- 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)
- Joining Of Building Structures In Genera (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、鋼橋における鋼桁に対するコンクリート床
版の取付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 structure for mounting a concrete floor slab to a steel girder in a steel bridge.
鋼桁とこれに架設固定されたコンクリート床版とからな
る鋼橋において、そのコンクリート床版が損傷した場合
は、損傷したコンクリート床版を撤去して新しいコンク
リート床版を鋼桁に架設固定する必要がある。In a steel bridge consisting of a steel girder and a concrete slab fixed to it, if the concrete slab is damaged, the damaged concrete slab must be removed and a new concrete slab must be erected and fixed to the steel girder. There is.
従来、この場合の鋼桁に対するコンクリート床版の取付
構造として、（１）第５図に示すように、鋼桁１におけ
る上部フランジ２の巾方向の両側に、垂直板３とその上
端に連設された支承フランジ４とからなる鋼製床版支持
部材５における垂直板３を溶接により固着し、前記上部
フランジ２の巾方向の中央上部にアンカーロッド16をス
タッド溶接により固着し、貫通孔17を有するコンクリー
ト床版６を、前記支承フランジ４にゴムパッド18を介し
て載置し、前記貫通孔17内と前記上部フランジ2,垂直板
３およびコンクリート床版６の底面により囲まれた空間
とに、無収縮モルタル19を充填した取付構造、（２）第
６図に示すように、鋼桁１における上部フランジ２の両
側の下部に水平な保持版20の基端部を溶接により固着
し、その保持版20の先端部に下方からの螺合した支持ボ
ルト21にコンクリート床版６の下面を載置し、前記保持
版20の中間部の透孔に、コイルばね22を嵌合した締付用
ボルト23を下方から挿通すると共に、その締付用ボルト
23をコンクリート床版６の縦孔24の下側に埋込固定され
ている雌ねじ筒25に螺合し、前記上部フランジ２の上面
とコンクリート床版６の下面との間に無収縮モルタル19
を充填した取付構造等が知られている。Conventionally, as a structure for mounting a concrete floor slab to a steel girder in this case, (1) as shown in FIG. 5, the vertical plate 3 and the upper end thereof are continuously provided on both sides of the upper flange 2 in the steel girder 1 in the width direction. The vertical plate 3 of the steel floor slab support member 5 including the supported flange 4 is fixed by welding, and the anchor rod 16 is fixed by stud welding to the upper center of the upper flange 2 in the width direction, and the through hole 17 is formed. The concrete floor slab 6 having is placed on the bearing flange 4 via a rubber pad 18, and in the through hole 17 and the space surrounded by the upper flange 2, the vertical plate 3 and the bottom surface of the concrete floor slab 6, Mounting structure filled with non-shrink mortar 19, (2) As shown in FIG. 6, the base ends of horizontal holding plates 20 are fixed by welding to the lower portions on both sides of the upper flange 2 of the steel girder 1 and held there. Plate 20 tip The lower surface of the concrete floor slab 6 is placed on the support bolts 21 screwed from below, and the tightening bolts 23 fitted with the coil springs 22 are inserted into the through holes in the middle of the holding plate 20 from below. And tightening bolts
23 is screwed into a female screw cylinder 25 which is embedded and fixed in the lower side of the vertical hole 24 of the concrete floor slab 6, and the non-shrink mortar 19 is provided between the upper surface of the upper flange 2 and the lower surface of the concrete floor slab 6.
A mounting structure and the like filled with is known.
前記（１）の取付構造の場合は、コンクリート床版６の
取付強度特にアップリフトに対する取付強度が弱いとい
う問題がある。また前記（２）の取付構造の場合は、構
造が複雑で製作コストが高くなり、かつ複数のボルトを
使用しているので取付時間が長くかかり、さらに支持ボ
ルト21および締付用ボルト23のねじ部が、外気にさらさ
れているので腐食し易いという問題がある。In the case of the mounting structure of the above (1), there is a problem that the mounting strength of the concrete floor slab 6, particularly the mounting strength for uplift is weak. Further, in the case of the mounting structure of (2), the structure is complicated and the manufacturing cost is high, and since a plurality of bolts are used, the mounting time is long, and further, the screws of the support bolt 21 and the tightening bolt 23 are screwed. There is a problem that the part is easily corroded because it is exposed to the outside air.
この考案は、前述の問題を有利に解決できるコンクリー
ト床版の取付構造を提供することを目的とするものであ
る。The present invention aims to provide a mounting structure for a concrete floor slab that can advantageously solve the above-mentioned problems.
前記目的を達成するために、この考案のコンクリート床
版の取付構造においては、鋼桁１における上部フランジ
２の巾方向の両側に、垂直板３とその上端に連設された
支承フランジ４とからなる鋼製床版支持部材５における
垂直板３が溶接により固着され、前記各支承フランジ４
に載置されたコンクリート床版６に、クリップ支持部材
７におけるアンカー部材８が埋込固定され、そのクリッ
プ支持部材７は、コンクリート床版６の下部において鋼
製床版支持部材５の長手方向に延長するクリップ挿入孔
９と、そのクリップ挿入孔９よりもクリップ支持部材７
から離れた位置に配置された締付反力支承台10とを備
え、反力支承部13の一端側に弾性押えアーム14の基端側
が一体に屈曲連設されていると共に、前記反力支承部13
の他端側に、前記反力支承部13と弾性押えアーム14との
間に配置された基端側横杆12の一端側が一体に屈曲連設
されてばね鋼棒製ばねクリップ11が構成され、ばね鋼棒
製ばねクリップ11における基端側横杆12が前記クリップ
挿入孔９に挿入され、ばねクリップ11における中間の反
力支承部13が、前記反力支承台10により支承されると共
に、前記ばねクリップ11の先端側の弾性押えアーム14の
先端部が、前記支承フランジ４の下面に当接された押え
板15の下面に圧接されている。In order to achieve the above-mentioned object, in the mounting structure of the concrete floor slab of the present invention, a vertical plate 3 and a supporting flange 4 connected to the upper end of the vertical plate 3 are provided on both sides of the upper flange 2 in the steel girder 1 in the width direction. The vertical plate 3 of the steel floor slab supporting member 5 is fixed by welding, and each supporting flange 4
The anchor member 8 in the clip support member 7 is embedded and fixed in the concrete floor slab 6 placed on the, and the clip support member 7 is arranged below the concrete floor slab 6 in the longitudinal direction of the steel floor slab support member 5. The clip inserting hole 9 to be extended and the clip supporting member 7 than the clip inserting hole 9
And a tightening reaction force support base 10 disposed at a position away from the reaction force support portion 13 and one end side of the reaction force support portion 13 is integrally bent and connected to the base end side of the elastic pressing arm 14, and the reaction force support is provided. Part 13
A spring clip 11 made of a spring steel rod is formed by integrally bending and connecting one end side of a base end side horizontal rod 12 arranged between the reaction force supporting portion 13 and the elastic pressing arm 14 to the other end side of the spring rod. The proximal side rod 12 of the spring steel rod spring clip 11 is inserted into the clip insertion hole 9, and the intermediate reaction force bearing portion 13 of the spring clip 11 is supported by the reaction force bearing base 10. The tip end portion of the elastic pressing arm 14 on the tip end side of the spring clip 11 is pressed against the lower surface of the pressing plate 15 that is in contact with the lower surface of the support flange 4.
鋼製床版支持部材５における支承フランジ４の上にコン
クリート床版６を載置したのち、鋼棒製ばねクリップ11
における基端側横杆12をクリップ支持部材７のクリップ
挿入孔９に挿入すると、鋼棒製ばねクリップ11における
反力支持部13がクリップ支持部材７における締付反力支
承台10に支承されると共に、鋼棒製ばねクリップ11にお
ける弾性押えアーム14により押え板15を介して前記支承
フランジ４が弾性的に締付けられ、コンクリート床版６
が鋼製床版支持部材５に固定される。After placing the concrete floor slab 6 on the bearing flange 4 of the steel floor slab support member 5, a steel rod spring clip 11
When the proximal side rod 12 of the clip support member 7 is inserted into the clip insertion hole 9 of the clip support member 7, the reaction force support portion 13 of the steel rod spring clip 11 is supported by the tightening reaction force support base 10 of the clip support member 7. At the same time, the support flange 4 is elastically tightened by the elastic pressing arm 14 of the steel rod spring clip 11 via the pressing plate 15, and the concrete floor slab 6
Are fixed to the steel floor slab support member 5.
次にこの考案を図示の例によって詳細に説明する。 Next, the present invention will be described in detail with reference to the illustrated example.
第１図ないし第４図はこの考案の一実施例を示すもので
あって、鋼桁１における上部フランジ２の巾方向の両側
に、垂直板３とその上端に連設された支承フランジ４と
からなる鋼製床版支持部材５における垂直板３が溶接に
より固着され、前記各支承フランジ４にゴムパッド18を
介してプレキャストコンクリート版からなるコンクリー
ト床版６が載置され、そのコンクリート床版６に金属製
クリップ支持部材７における上部のアンカー部材８が埋
込固定され、そのクリップ支持部材７の下部の支持部26
には、コンクリート床版６の下部において鋼製床版支持
部材５の長手方向に延長するクリップ挿入孔９と、その
クリップ挿入孔９よりもクリップ支持部材７から離れた
位置に配置された締付反力支承台10とが設けられてい
る。1 to 4 show an embodiment of the present invention, in which a vertical plate 3 and a support flange 4 connected to the upper end of a vertical plate 3 are provided on both sides in the width direction of an upper flange 2 of a steel girder 1. The vertical plate 3 of the steel floor slab supporting member 5 made of is fixed by welding, the concrete floor slab 6 made of a precast concrete slab is placed on each of the bearing flanges 4 via the rubber pad 18, and the concrete floor slab 6 is mounted on the concrete floor slab 6. The upper anchor member 8 of the metal clip support member 7 is embedded and fixed, and the lower support portion 26 of the clip support member 7 is fixed.
In the lower part of the concrete floor slab 6, a clip insertion hole 9 extending in the longitudinal direction of the steel floor slab support member 5 and a tightening member arranged at a position farther from the clip support member 7 than the clip insertion hole 9. A reaction force support base 10 is provided.
前記支承フランジ４の下面に当接される押え板15に、支
承フランジ４の巾方向端部およびゴムパッド18の巾方向
端部に係合される側板27が一体に連設され、かつその側
板27に床版支持部材長手方向の両側に、前記支持部26に
係合するずれ止め用突起28が、一体に設けられて、押え
部材29が構成され、反力支承部13の一端側に弾性押えア
ーム14の基端側が一体に屈曲連設されていると共に、前
記反力支承部13の他端側に、前記反力支承部13と弾性押
えアーム14との間に配置された基端側横杆12の一端側が
一体に屈曲連設されてばね鋼棒製ばねクリップ11が構成
され、ばね鋼棒製ばねクリップ11における基端側横杆12
が前記クリップ挿入孔９に挿入される。A side plate 27 engaged with the width direction end of the support flange 4 and the width direction end of the rubber pad 18 is integrally connected to the holding plate 15 that is in contact with the lower surface of the support flange 4, and the side plate 27 is provided. Further, on both sides in the longitudinal direction of the floor slab support member, shift preventing projections 28 that engage with the support portion 26 are integrally provided, and a pressing member 29 is configured, and an elastic pressing member is provided on one end side of the reaction force bearing portion 13. The base end side of the arm 14 is integrally bent and connected, and the base end side laterally arranged between the reaction force support part 13 and the elastic pressing arm 14 is provided on the other end side of the reaction force support part 13. One end side of the rod 12 is integrally bent and connected to form a spring clip 11 made of a spring steel rod.
Is inserted into the clip insertion hole 9.
ばねクリップ11における基端側横杆12をクリップ挿入孔
９に挿入しながら、ばねクリップ11を床版支持部材長手
方向に移動していくと、ばねクリップ11における反力支
承部13が締付反力支承台10に乗って下降移動していくの
で、ばねクリップ11の先端側の弾性押えアーム14の先端
部が、前記支承フランジ４の下面に当接された押え板15
の下面に男性的に押付けられると共に、その押付力が増
大してゆき、コンクリート床版６が前記床版支持部材５
に対し強固に固定される。When the spring clip 11 is moved in the longitudinal direction of the floor slab supporting member while the proximal end side rod 12 of the spring clip 11 is inserted into the clip insertion hole 9, the reaction force bearing portion 13 of the spring clip 11 is tightened and unfastened. Since it moves down on the force bearing base 10, the tip end portion of the elastic pressing arm 14 on the tip end side of the spring clip 11 is held in contact with the lower surface of the bearing flange 4 by the pressing plate 15.
As it is masculinely pressed against the lower surface of the slab, the pressing force increases, and the concrete floor slab 6 becomes the floor slab support member 5.
Is firmly fixed against.
次に鋼桁１の上部フランジ２とその両側の垂直板３とコ
ンクリート床版６の底面とにより囲まれた空間に、コン
クリート床版６に設けられた注入孔30から無収縮モルタ
ル19が注入充填される。Next, in the space surrounded by the upper flange 2 of the steel girder 1, the vertical plates 3 on both sides of the steel girder 1, and the bottom surface of the concrete floor slab 6, the non-shrink mortar 19 is injected and filled from the injection hole 30 provided in the concrete floor slab 6. To be done.
ばねクリップ11における基端側横杆12をクリップ挿入孔
９に挿入する場合、前記基端側横杆12の先端部をクリッ
プ挿入孔９の端部に挿入したのち、ばねクリップ11をハ
ンマーにより叩打して、前記基端側横杆12を所定位置ま
で挿入すればよい。When the base end side rod 12 of the spring clip 11 is inserted into the clip insertion hole 9, the tip end of the base end side rod 12 is inserted into the end of the clip insertion hole 9 and then the spring clip 11 is tapped with a hammer. Then, the proximal end side rod 12 may be inserted to a predetermined position.
この考案を実施する場合、前記押え部材29は例えば金属
または合成樹脂により製作される。またゴムパッド18を
省略してもよい。When this invention is implemented, the pressing member 29 is made of, for example, metal or synthetic resin. Further, the rubber pad 18 may be omitted.
この考案は前述のように構成されているので、以下に記
載するような効果を奏する。Since the present invention is configured as described above, it has the following effects.
鋼製床版支持部材５における支承フランジ４の上にコン
クリート床版６を載置したのち、基端側横杆12と反力支
承部13と弾性押えアーム14とを一体に屈曲連設されて構
成された鋼棒製ばねクリップ11における基端側横杆12を
クリップ支持部材７のクリップ挿入孔９に挿入すると、
鋼棒製ばねクリップ11における反力支承部13がクリップ
支持部材７における締付反力支承台10に支承されると共
に、鋼棒製ばねクリップ11における弾性押えアーム14に
より押え板15を介して前記支承フランジ４が弾性的に締
付けられ、そのため簡単な手段によって、コンクリート
床版６を床版支持部材５に対し迅速にかつ強固に固定す
ることができ、さらにこの考案のコンクリート床版の取
付構造は構成が簡単で低コストで製作することができ
る。After placing the concrete floor slab 6 on the bearing flange 4 of the steel floor slab support member 5, the base end side rod 12, the reaction force bearing portion 13, and the elastic pressing arm 14 are integrally bent and connected. When the base end side rod 12 of the constructed steel rod spring clip 11 is inserted into the clip insertion hole 9 of the clip support member 7,
The reaction force bearing portion 13 of the steel rod spring clip 11 is supported by the tightening reaction force bearing base 10 of the clip support member 7, and the elastic holding arm 14 of the steel rod spring clip 11 is used to press the holding plate 15 through The support flange 4 is elastically tightened, so that the concrete floor slab 6 can be quickly and firmly fixed to the floor slab support member 5 by a simple means. Further, the concrete floor slab mounting structure of the present invention is It has a simple structure and can be manufactured at low cost.
第１図ないし第４図はこの考案の一実施例に係るコンク
リート床版の取付構造を示すものであって、第１図は全
体を示す縦断正面図、第２図は第１図の一部を拡大して
示す縦断正面図、第３図は片側の取付構造を示す底面
図、第４図は第１図のＡ−Ａ線拡大断面図である。第５
図および第６図は従来のコンクリート床版の取付構造を
示す縦断正面図である。 図において、１は鋼桁、２は上部フランジ、３は垂直
板、４は支承フランジ、５は鋼製床版支持部材、６はコ
ンクリート床版、７はクリップ支持部材、８はアンカー
部材、９はクリップ挿入孔、10は締付反力支承台、11は
鋼棒製ばねクリップ、12は基端側横杆、13は反力支承
部、14は弾性押えアーム、15は押え板、18はゴムパッ
ド、26は支持部、27は側板、28はずれ止め用突起、29は
押え部材である。1 to 4 show a concrete floor slab mounting structure according to an embodiment of the present invention. FIG. 1 is a vertical sectional front view showing the whole, and FIG. 2 is a part of FIG. FIG. 3 is an enlarged vertical sectional front view, FIG. 3 is a bottom view showing a mounting structure on one side, and FIG. 4 is an enlarged sectional view taken along the line AA of FIG. Fifth
FIG. 6 and FIG. 6 are vertical sectional front views showing a conventional concrete floor slab mounting structure. In the figure, 1 is a steel girder, 2 is an upper flange, 3 is a vertical plate, 4 is a bearing flange, 5 is a steel floor slab support member, 6 is a concrete floor slab, 7 is a clip support member, 8 is an anchor member, 9 Is a clip insertion hole, 10 is a tightening reaction force bearing base, 11 is a steel rod spring clip, 12 is a base end side rod, 13 is a reaction force bearing portion, 14 is an elastic holding arm, 15 is a holding plate, and 18 is a holding plate. A rubber pad, 26 is a support portion, 27 is a side plate, 28 is a protrusion for preventing displacement, and 29 is a holding member.
Claims (1)
両側に、垂直板３とその上端に連設された支承フランジ
４とからなる鋼製床版支持部材５における垂直板３が溶
接により固着され、前記各支承フランジ４に載置された
コンクリート床版６に、クリップ支持部材７におけるア
ンカー部材８が埋込固定され、そのクリップ支持部材７
は、コンクリート床版６の下部において鋼製床版支持部
材５の長手方向に延長するクリップ挿入孔９と、そのク
リップ挿入孔９よりもクリップ支持部材７から離れた位
置に配置された締付反力支承台10とを備え、反力支承部
13の一端側に弾性押えアーム14の基端側が一体に屈曲連
設されていると共に、前記反力支承部13の他端側に、前
記反力支承部13と弾性押えアーム14との間に配置された
基端側横杆12の一端側が一体に屈曲連設されてばね鋼棒
製ばねクリップ11が構成され、ばね鋼棒製ばねクリップ
11における基端側横杆12が前記クリップ挿入孔９に挿入
され、ばねクリップ11における中間の反力支承部13が、
前記反力支承台10により支承されると共に、前記ばねク
リップ11の先端側の弾性押えアーム14の先端部が、前記
支承フランジ４の下面に当接された押え板15の下面に圧
接されているコンクリート床版の取付構造。1. A vertical plate 3 of a steel deck slab supporting member 5 comprising a vertical plate 3 and a support flange 4 continuously provided on the upper end of the upper flange 2 of a steel girder 1 on both sides in the width direction by welding. The anchor member 8 in the clip support member 7 is embedded and fixed in the concrete floor slab 6 which is fixed and placed on each of the support flanges 4, and the clip support member 7
Is a clip insertion hole 9 extending in the longitudinal direction of the steel floor slab support member 5 in the lower part of the concrete floor slab 6, and a tightening anti-removal member arranged at a position farther from the clip support member 7 than the clip insertion hole 9. With the force bearing base 10, the reaction force bearing unit
A proximal end side of the elastic pressing arm 14 is integrally bent and connected to one end side of the member 13, and is provided on the other end side of the reaction force supporting portion 13 between the reaction force supporting portion 13 and the elastic pressing arm 14. One end side of the arranged base end side horizontal rod 12 is integrally bent and connected to form a spring clip 11 made of a spring steel rod.
The proximal side rod 12 of 11 is inserted into the clip insertion hole 9, and the intermediate reaction force bearing portion 13 of the spring clip 11 is
While being supported by the reaction force support base 10, the tip end portion of the elastic pressing arm 14 on the tip end side of the spring clip 11 is pressed against the lower surface of the pressing plate 15 that is in contact with the lower surface of the supporting flange 4. Concrete floor slab mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909489U JPH0711213Y2 (en) | 1989-08-28 | 1989-08-28 | Concrete floor slab mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9909489U JPH0711213Y2 (en) | 1989-08-28 | 1989-08-28 | Concrete floor slab mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0341007U JPH0341007U (en) | 1991-04-19 |
| JPH0711213Y2 true JPH0711213Y2 (en) | 1995-03-15 |
Family
ID=31648158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9909489U Expired - Lifetime JPH0711213Y2 (en) | 1989-08-28 | 1989-08-28 | Concrete floor slab mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711213Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016125249A (en) * | 2014-12-26 | 2016-07-11 | 清水建設株式会社 | Precast concrete floor board connection structure and connection method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6343590B2 (en) * | 2015-06-10 | 2018-06-13 | 西日本高速道路株式会社 | Concrete slab joining method, concrete slab replacement method, concrete slab joining structure |
-
1989
- 1989-08-28 JP JP9909489U patent/JPH0711213Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016125249A (en) * | 2014-12-26 | 2016-07-11 | 清水建設株式会社 | Precast concrete floor board connection structure and connection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341007U (en) | 1991-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |