JPH1088518A - High level part of overbridge and over-road bridge - Google Patents
High level part of overbridge and over-road bridgeInfo
- Publication number
- JPH1088518A JPH1088518A JP8295588A JP29558896A JPH1088518A JP H1088518 A JPH1088518 A JP H1088518A JP 8295588 A JP8295588 A JP 8295588A JP 29558896 A JP29558896 A JP 29558896A JP H1088518 A JPH1088518 A JP H1088518A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- plate
- steel plate
- overpass
- elevated
- 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.)
- Pending
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
Description
【0001】 鉄道又は市街地道路に高架する跨線橋,
架道橋の高架部。[0001] An overpass that is elevated over a railroad or an urban road,
Elevated part of the overpass.
【0002】 従来の車輌を通す跨線橋,架道橋は、左
右の長い面積に亘って大規模に作られ、重量トラック等
大型車を除く、比較的軽量の乗用車,小型トラック等の
ために、なるべく狭い面積に高架する物は見受けられな
い。Conventional overpasses and overpasses for passing vehicles are made on a large scale over a long area on the left and right sides, and are preferably used for relatively light passenger cars, small trucks, etc., excluding large trucks such as heavy trucks. Nothing is elevated in a small area.
【0003】 左右幅をなるべく狭くし、なるべく大き
な重量に耐えられるようにし、尚、板鋼張り渡し面10
の下面部の分離落下を防ぐ。[0003] The lateral width is made as narrow as possible to withstand as much weight as possible.
To prevent separation and dropping of the lower surface of the device.
【0004】 橋脚間けた部の重量をなるべく少くし、
且弾力を持たせて、破断、崩落等を防ぎ、又地震にも耐
え易くする。[0004] Reduce the weight of the part between the piers as much as possible,
It has elasticity to prevent breakage and collapse, and also makes it easy to withstand earthquakes.
【0005】 圧縮空気入り円筒部の構成を強くする。[0005] The structure of the compressed air-containing cylinder is strengthened.
【0006】 なるべく大きな荷重に耐える(000
3)ために、中央部の高い斜面部のある板鋼面4,1
0,7の他に、新しく、橋脚内鋼柱11に固定し又はそ
れを突き通す板鋼面5,20と、それら板鋼面に入れた
切込線に切込片をかけ止めるかけ止め板鋼面18等の板
鋼面,或いは、鋼柱に取付け又は挟み止める支持棒1
5,16,挟み止め板17等を用い、又橋げた自体の重
量も軽くする。[0006] Withstand as large a load as possible (000
3) Steel plate with high slope in the center
In addition to the steel plates 0 and 7, the plate steel surfaces 5, 20 which are fixed to or penetrate the steel pillars 11 in the piers, and the locking plate steel which hooks the cut pieces to the cutting lines formed in the steel surfaces. A support rod 1 to be attached or pinched to a steel plate such as the surface 18 or a steel column
The weight of the bridge itself is also reduced by using 5, 16, the pinching stop plate 17 and the like.
【0007】 橋げた部の重量を少くする(0004)
ために、重いコンクリートの使用量を少くし(軽い積層
板21と緩衝板22を用いる他に)、各間隙部を埋める
圧縮空気入りの円筒部14の中に、仕切部29と圧縮空
気入りの小さいボール28等を挟み入れた物を用いる。
(0005)[0007] Reduce the weight of the bridge (0004)
Therefore, the amount of heavy concrete used is reduced (in addition to the use of the light laminate 21 and the buffer plate 22), and the partitioning portion 29 and the compressed air-containing cylinder are filled in the cylindrical portion 14 containing the compressed air filling each gap. An object in which a small ball 28 or the like is inserted is used.
(0005)
【0008】 道路盤に弾力を持たせる(0004)た
めに、板鋼面4とその上の山型板鋼面7との間に間隙部
26を設ける。(図3)In order to make the roadbed elastic (0004), a gap 26 is provided between the steel plate surface 4 and the angle plate steel surface 7 thereon. (Fig. 3)
【0009】 破断,崩落を防ぎ、地震に耐え易くする
(0004)ために 後辺縁を折曲げ垂下する吊下げ板鋼面32で吊す。尚各
部を軽くしてある(0007)。[0009] To prevent breakage and collapse and make it easy to withstand earthquakes (0004) The rear edge is hung by a hanging plate steel surface 32 which is bent down. Each part is lightened (0007).
【0010】 中央部の高い各支持物(板鋼面部のある
5,20,18及び4,7,10又は棒状,板状の1
5,16)の、左右の傾斜面にかかる上からの荷重は、
それが平面であるよりは、斜面角度が大きい程軽減され
る。(0006)[0010] Each high support at the center (5, 20, 18 and 4, 7, 10 with a steel plate or 1
5,16), the load applied to the left and right inclined surfaces from above
It is reduced as the slope angle increases, rather than as a flat surface. (0006)
【0011】 板鋼面4は剥がれを防ぐために曲げ抑え
鋼19,ボルト23等を必要とするが、鋼柱11とコン
クリート部に固着する板鋼面,支持棒等はその必要がな
い。又図1,3では複雑なトラス構造を用いず簡易で支
持力も強い。The steel plate surface 4 requires bending steel 19, bolts 23 and the like to prevent peeling, but the steel plate surface and the support rods fixed to the steel column 11 and the concrete portion are not required. Also, in FIGS. 1 and 3, it is simple and has a strong supporting force without using a complicated truss structure.
【0012】 橋げた部の重量を軽くする(0007)
と、台風等の風圧に耐える構成であれば、上面通過車輌
等の重量を制限すると同じ効果があり、各支持物の支持
力を増す事になり、又地震にも各部の縦ゆれ、横ゆれに
耐え易くなる。[0012] Reduce the weight of the bridge part (0007)
If the structure can withstand the wind pressure of a typhoon or the like, the same effect can be obtained by limiting the weight of vehicles passing above, etc., and the supporting force of each support will be increased. It becomes easy to endure.
【0013】 板鋼面5,20は鋼柱とコンクリートに
固着するので、吊下げ板鋼面32を吊しても脱落しな
い。尚板鋼面20は板鋼張り渡し面10(左右の外側橋
脚まで一連とする場合)がある時は使用しなくてもよ
い。Since the steel plate surfaces 5 and 20 are fixed to the steel columns and the concrete, the steel plate surfaces 5 and 20 do not fall off even when the hanging plate steel surface 32 is hung. The sheet steel surface 20 may not be used when there is the sheet steel bridging surface 10 (in the case where the left and right outer piers are connected).
【0014】 圧縮空気入りの円筒部14は、その両端
上下肩部に丸み41(図4)を持たせて形の崩れを防
ぎ、仕切部29の上下面にも両肩に僅かの丸み40を設
けて、上からの荷重に対して円筒部に弾力を生じ易く
し、円筒部外壁の厚みと仕切部29(コンクリート又は
硬い合成樹脂等の塑形物)の素材と幅,円筒部とボール
内の空気圧とを調節して、荷重に崩れない硬さとする。
(図4)The cylindrical portion 14 containing compressed air has rounded portions 41 (FIG. 4) at its upper and lower shoulders to prevent the shape from being distorted. The elasticity of the cylindrical portion is easily generated by a load from above, and the thickness of the outer wall of the cylindrical portion, the material and width of the partitioning portion 29 (a molded product such as concrete or hard synthetic resin), the width of the cylindrical portion and the inside of the ball And adjust the air pressure so that it does not collapse under the load.
(FIG. 4)
【0015】 板鋼面4と山型板鋼面7との間に間隙部
26があると、上からの荷重により山型板鋼面7の中央
上部が下がると、左右曲げ上げ部9の先端の上面曲げ下
げ部8との間の円筒部14がその左右の8,9と共に上
方へ押上げられ、左右曲げ上げ部9が橋脚内面ふくれ出
し部6の上に乗って荷重を減ずる効果と相俟って、上面
からの強い衝撃的荷重を弾力的に和らげ且減じ、荷重に
耐える力を増し得る。又7の左右の曲げ上げ部9とその
先端の曲げ下げ部8とその間の円筒部17とが軽い事と
相俟って地震の振動のエネルギーをも減じ、間隙部6と
各円筒部17,9,8との弾力により、橋げたの分断、
崩落を防ぎ易くする。If there is a gap 26 between the sheet steel surface 4 and the angled sheet steel surface 7, when the load from above lowers the center upper part of the angled sheet steel surface 7, the tip of the left and right bent-up portion 9. The cylindrical portion 14 between the upper and lower bent portions 8 is pushed upward together with the right and left 8, 9 thereof, and the left and right bent portions 9 ride on the pier inner surface bulging portion 6 to reduce the load. In addition, a strong impact load from the upper surface can be elastically softened and reduced, and the force withstanding the load can be increased. In addition to the lightness of the left and right bent-up portions 9 of 7, the bent-down portion 8 at the tip thereof, and the cylindrical portion 17 therebetween, the energy of the vibration of the earthquake is reduced, and the gap portion 6 and each of the cylindrical portions 17, By the elasticity with 9,8, the bridge girder is divided,
Make it easier to prevent collapse.
【0016】 挟み板17,かけ止め板鋼面18は、曲
げ抑え鋼19と共に橋げた左右肩部の側圧による崩れを
防ぐために用いる。The sandwiching plate 17 and the retaining plate steel surface 18 are used together with the bending restraining steel 19 to prevent collapse of the left and right shoulders bridged by lateral pressure.
【0017】 図1の板鋼張り渡し面10はその上に軽
くて硬い積層板21を用いる道路盤1とする場合で、図
3の板鋼面20は、その左右端で道路盤1との間の間隙
部は橋脚部のコンクリート部であるが、10と20は何
れも吊下げ板鋼面20を吊し得るので、図1と3で、1
0と20を交換して用いてもよい。FIG. 1 shows a case where the steel plate connecting surface 10 is a roadbed 1 on which a light and hard laminated plate 21 is used, and the steel plate surface 20 shown in FIG. The gap between the piers is the concrete part of the pier, but both 10 and 20 can suspend the suspended steel plate surface 20.
0 and 20 may be used interchangeably.
【0018】 図1は左右の支間を狭く小型とし、主に
一方通行の一車線とし、図3は支間が広ぐ、往復車線と
する場合であるが、板鋼面を用いる支持物と、棒状又は
板状の支持物は、両図のどちらにも各種組合わせて使用
され得る。FIG. 1 shows a case where the left and right spans are narrow and small, mainly one-way lanes, and FIG. 3 shows a case where the spans are wide and a reciprocating lane. Alternatively, a plate-like support may be used in various combinations in either of the drawings.
【0019】 図1で、板鋼面5は、橋脚内の鋼柱11
(5に用いる帯状鋼のつぎ目を考慮して前後に数本配
列)の側面へ掛け渡す取付板12へ鋲と熔接等で固定
し、尚橋脚内面の上部円弧状等の板鋼面の左右垂下部と
共にボルト23等を用いてコンクリート内に堅固に固定
される。In FIG. 1, the steel plate surface 5 is a steel column 11 in the pier.
(Several strips are arranged in front and back in consideration of the seam of the strip steel used in 5). Fixing to the mounting plate 12 to be hooked and welded to the side of the steel plate. It is firmly fixed in concrete by using bolts 23 and the like together with the hanging parts.
【0020】 板鋼面20は、図3で、左右曲げ下げ端
部(道路盤下面から大きく離れると板鋼面5となる)を
鋼柱11に突き通して固定する(道路盤下面に左右外側
橋脚まで一連の板鋼張り渡し面10のある場合は不
要)。In FIG. 3, the sheet steel surface 20 is fixed by penetrating the left and right bent-down ends (the sheet steel surface 5 when largely separated from the lower surface of the road board) into the steel column 11 (left and right outer sides on the lower surface of the road board). It is not necessary if there is a series of steel plate connecting surfaces 10 up to the pier).
【0021】 面部で、棒状支持物15又は曲げ抑え鋼19等の内下面
を支えた左右を斜上へ折曲げ(15,19に当る部に切
込部を設けて曲げ下げ、板鋼面4に当る部の数か所の切
込線へ数枚の折曲け上げた切込片部36を通し、その周
囲を固め、36の先端27を板鋼面5の切込線へ通し曲
げ下げて固定する。[0021] The left and right supporting the inner and lower surfaces of the bar-shaped support 15 or the bending restraining steel 19 and the like are bent obliquely upward at the surface portion (a cut portion is provided at a portion corresponding to 15, 19 to bend down, and a portion corresponding to the sheet steel surface 4 is bent down). A few bent pieces 36 are passed through several cut lines, and the periphery thereof is solidified. The tip 27 of 36 is passed through the cut line of the steel plate surface 5 and fixed by bending down. .
【0022】 支持棒15は、図2で曲げ抑え鋼19の
内側にあり、図1でその上部で板鋼面4を曲げ抑えた左
右を、板鋼面4を突き通して曲げ上げ(水平方向に曲げ
るより曲げ上げる方が板鋼面4の上部円弧面を支える力
が強い)た先を鋼柱11の側面の取付板13へ突き通し
又は側面に熔接等する。The support bar 15 is located inside the bending steel 19 in FIG. 2, and the left and right sides of the steel plate surface 4 that are bent at the upper portion in FIG. 1 are bent upward through the steel plate surface 4 (horizontal direction). The tip of the steel column 4 is stronger than that of the steel plate 4 by supporting the upper arcuate surface of the steel plate 4. The tip is pierced into the mounting plate 13 on the side surface of the steel column 11 or welded to the side surface.
【0023】 支持棒16は、図3で板鋼面4の上方円
弧部中央下面を抑えて中央支柱25に固定(図2でほぼ
15の同位置)した左右で板鋼面4を突き通して曲げ下
げた先の垂直部を鋼柱11の側面の取付板13に熔接等
し又は突き通し(水平方向に突き通すより、垂直方向に
固定する方が板鋼面4等を支持する力が強い)固定す
る。但し垂下部を前片と後片に分けて鋼柱を挟み合わせ
てもよい。The support bar 16 penetrates the steel plate surface 4 on the left and right sides fixed to the central support 25 (in FIG. 2, at approximately the same position 15) while suppressing the central lower surface of the upper arc portion of the steel plate surface 4 in FIG. The bent-down vertical portion is welded or pierced to the mounting plate 13 on the side surface of the steel column 11 (fixing in the vertical direction has a stronger force to support the steel plate surface 4 and the like than penetrating in the horizontal direction). Fix it. However, the hanging portion may be divided into a front piece and a rear piece, and the steel columns may be sandwiched.
【0024】 挟み板17は図1,3で、曲げ抑え鋼1
9又は支持棒15,16を囲い挟み止めた前片と後片
で、夫々板鋼面4を突き通し稍曲げ上げた先を鋼柱11
を挟み囲った前片と後片を重ね合わせて固定する。The sandwiching plate 17 is shown in FIGS.
9 or a front piece and a rear piece which enclose and hold the support rods 15 and 16, respectively, penetrate the sheet steel surface 4, and bend the tip slightly to the steel column 11.
The front piece and the back piece enclosing the above are overlapped and fixed.
【0025】 吊下げ板鋼面32は図2で板鋼張り渡し
面10(又は板鋼面20或いは5)の前後縁から、図
1,3のほぼ点線まで垂下して、梁板鋼35,24の前
後端面とその左右の曲げ抑え鋼19と板鋼面4,5等の
側面にも熔接又は鋲止め等で固定し得る。In FIG. 2, the suspended steel plate surface 32 hangs from the front and rear edges of the steel plate connecting surface 10 (or the steel plate surface 20 or 5) to almost the dotted line in FIGS. The front and rear end faces and the left and right bending restraining steels 19 and the side faces of the sheet steel faces 4 and 5 can also be fixed by welding or tacking.
【0026】 「0007」に示す積層板21は、比重
が軽く、腐蝕、摩耗し難く、硬い合成樹脂板、加琉ゴ
ム、合成ゴム、代用皮等を組合わせ積層し、それに続く
緩衝板22(図1,3)にも同様の合成樹脂板、金属板
等を挟む皮、ゴム等を用いる。The laminate 21 indicated by “0007” has a low specific gravity, hardly corrodes and is hardly worn, and is formed by laminating a combination of a hard synthetic resin plate, a kuryu rubber, a synthetic rubber, a substitute leather, and the like, followed by a buffer plate 22 ( In FIGS. 1 and 3), the same synthetic resin plate, metal plate and the like, leather, rubber and the like are used.
【発明の効果】左右橋脚内の鋼柱とコンクリート部に固
着し、中央部を高くする板鋼面部のある5,20,8
と、棒状又は板状の支持棒15,16,17とにより、
道路盤とその下面の橋げた等の高架部を支持し易くし、
尚道路盤下面には圧縮空気入りの円筒部14,間隙部2
6のある弾力部、吊下げ板鋼面32等を用いて、高架部
が分断又は崩落し難く、且地震等の衝撃にも耐え易くし
てある。According to the present invention, there is provided a steel column in the left and right piers and a concrete portion, and the central portion is raised to have a plate steel surface portion.
And the rod-shaped or plate-shaped support rods 15, 16, 17
It is easy to support the road panel and elevated parts such as bridge girder underneath,
On the lower surface of the road board, a cylindrical portion 14 containing compressed air and a gap 2
The elevated portion is hardly divided or collapsed by using a resilient portion with a steel plate 6, a suspended steel plate surface 32, and the like, and easily withstands an impact such as an earthquake.
【図1】 左右橋脚間橋げた高架部の側断面図、(図2
のB−B線)FIG. 1 is a side sectional view of an elevated portion where a girder between left and right piers is bridged (FIG. 2
BB line)
【図2】 図1のA−A線断面側面図、FIG. 2 is a cross-sectional side view taken along line AA of FIG. 1;
【図3】 図1の支間を広げた場合の側断面図。FIG. 3 is a side cross-sectional view when the span of FIG. 1 is expanded.
【図4】 図3の円筒部14のC−C線断面図。FIG. 4 is a sectional view taken along line CC of the cylindrical portion 14 in FIG. 3;
1…道路盤 2,3…左橋脚、右橋脚 4…(2と3の対向内面に被覆する中央部の高い)板鋼
面、 5…(鋼柱11に固定する、中央部の高い)板鋼面、 6…(橋脚対向内面上部コンクリート部の)ふくれ出し
部 7…(左右に曲げ上げ部9を有する)山型板鋼面、 8…(9の先の)曲げ下げ部 9…(7の左右の)曲げ上げ部 10…(道路盤下面で、2,3の外側まで続く一連の)
板鋼張り渡し面、 11…(橋脚内、数本の)鋼柱(5,20,15,1
6,17を取付ける) 12…(数本の11側面を連結し、5を固定する)取付
板 13…(同じく、15,16を固定する)取付板。 14…(圧縮空気入りの)円筒部(鋼管等) 15…(上部円弧状の)支持棒(厚板鋼、棒鋼又はパイ
プ鋼等)(図1) 16…( 同上 )支持棒( 〃
)(図3) 17…(11,10,5,20に取付ける)挟み板 18…(5,20,10にかけ止める)かけ止め板鋼面 19…曲げ抑え鋼(厚板鋼、四角形鋼、パイプ鋼等) 20…(11を突き通す)板鋼面(図3) 21…積層板(0026) 22…緩衝板(同上) 23…ボルト 鋼とする) 25…中央支柱 26…間隙部(0015) 27…(18の切込片部36の)先端(曲げかけ下げ
部) 28…圧縮空気入りボール(14の中) 29…(14の中の)仕切部(0014) 30…(29の上下両肩の)丸み 31…(14の上下両肩の)丸み 32…吊下げ板鋼面 33…ガードレール 34…(25へ19を固定する)板金 35…(図1で、18,19等下面の)梁板鋼(又は軽
い四角形鋼等) 36…(「0021」で18が15,19,4に当る部
を曲げ下げた部の、稍両外側の)切込片部。 37…(吊下げ板鋼面32の垂下部の下線を示す)点線
(0025)38…ビスナット(19と17,15,1
6,34等を繋ぐ)DESCRIPTION OF SYMBOLS 1 ... Road board 2, 3 ... Left pier, right pier 4 ... (High center part covering the inner surface facing 2 and 3) Steel plate, 5 ... (Fixed to steel column 11, high center part) Steel face, 6 ... Bulging part (of upper concrete part facing inner side of pier) 7 ... Angle steel plate face (having bent-up parts 9 on right and left), 8 ... Bend-down part (beyond 9) 9 ... (7 Left and right) bend-up part 10 ... (a series of road surfaces underneath to the outside of a few places)
Steel plate piercing surface, 11 ... Steel columns (5,20,15,1)
12 ... (connects several 11 side surfaces and fixes 5) Mounting plate 13 ... (also fixes 15, 16) mounting plate. 14 ... (compressed air) cylindrical part (steel pipe etc.) 15 ... (upper arc-shaped) support rod (thick steel, steel bar or pipe steel, etc.) (Fig. 1) 16 ... (same as above) support rod (()
(Fig. 3) 17 ... (attached to 11, 10, 5, 20) Nipping plate 18 ... (stopped over 5, 20, 10) Stopped plate steel surface 19 ... Bending restrained steel (thick plate steel, square steel, pipe) 20: (penetrates 11) steel plate (FIG. 3) 21: laminated plate (0026) 22: buffer plate (same as above) 23: bolt 25 ... Central strut 26 ... Gap (0015) 27 ... End (bending down portion) (of 18 cut piece 36) 28 ... Compressed air ball (in 14) 29 ... (14 (Inside) partition (0014) 30 ... roundness (upper and lower shoulders of 29) 31 ... roundness (upper and lower shoulders of 14) 32 ... steel plate hanging surface 33 ... guardrail 34 ... (fix 19 to 25) Sheet metal 35 ... (on the lower surface of 18, 19, etc. in FIG. 1) Beam plate steel (or a light square steel, etc.) 36 ... ("0021" is slightly outside of the portion where 18 hits 15, 19, 4 and bent down) A) Notch piece. 37 ... (indicating the underline of the hanging part steel surface 32) Dotted line (0025) 38 ... Screw nut (19, 17, 15, 1)
6, 34 etc.)
【手続補正書】[Procedure amendment]
【提出日】平成8年10月3日[Submission date] October 3, 1996
【手続補正1】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】発明の詳細な説明[Correction target item name] Detailed description of the invention
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【産業上の利用分野】[Industrial applications]
【0001】鉄道又は市街地道路に高架する跨線橋、架
道橋の高架部。[0001] An overpass which is elevated on a railway or an urban road, an elevated portion of an overpass.
【従来の技術】[Prior art]
【0002】従来の車輌を通す跨線橋、架道橋は、左右
の長い面積に亘って大規模に作られ、重量トラック等大
型車を除く、比較的軽量の乗用車、小型トラック等のた
めに、なるべく狭い面積に高架する物は見受けられな
い。[0002] Conventional overpasses and overpasses for passing vehicles are made on a large scale over a long area on the left and right sides, and are preferably used for relatively light passenger cars, small trucks, etc., excluding heavy trucks and other large vehicles. Nothing is elevated in a small area.
【発明が解決しようとする課題】[Problems to be solved by the invention]
【0003】左右幅をなるべく狭くし、なるべく大きな
重量に耐えられるようにし、尚、板鋼張り渡し面10の
下面部の分離落下を防ぐ。[0003] The left and right width is made as narrow as possible to withstand as much weight as possible, and the lower surface of the steel sheet transfer surface 10 is prevented from falling off.
【0004】橋脚間けた部の重量をなるべく少くし、且
弾力を持たせて、破断、崩落等を防ぎ、又地震にも耐え
易くする。[0004] The weight of the portion between the piers is made as small as possible and elasticity is provided to prevent breakage, collapse, etc., and to make it easy to withstand earthquakes.
【0005】圧縮空気入り円筒部の構成を強くする。[0005] The structure of the cylindrical portion containing compressed air is strengthened.
【課題を解決するための手段】[Means for Solving the Problems]
【0006】なるべく大きな荷重に耐える(0003)
ために、中央部の高い斜面部のある板鋼面4,10,7
の他に、新しく、橋脚内鋼柱11に固定し又はそれを突
き通す板鋼面5,20と、それら板鋼面に入れた切込線
に切込片をかけ止めるかけ止め板鋼面18等の板鋼面、
或いは、鋼柱に取付け又は挟み止める支持棒15,1
6,挟み止め板17等を用い、又橋げた自体の重量も軽
くする。[0006] Withstand as much load as possible (0003)
For this purpose, the steel plate surface with a high slope in the center 4, 10, 7
In addition, plate steel surfaces 5 and 20 which are fixed to or penetrate the steel pillars 11 in the piers, and buckle plate steel surfaces 18 which hang the cut pieces on the cut lines formed in the steel plates, etc. Sheet steel surface,
Alternatively, a support rod 15, 1 attached or pinched to a steel column
6, the weight of the bridge itself is also reduced by using the pinching stop plate 17 and the like.
【0007】橋げた部の重量を少くする(0004)た
めに、重いコンクリートの使用量を少くし(軽い積層板
21と緩衝板22を用いる他に)、各間隙部を埋める圧
縮空気入りの円筒部14の中に、仕切部29と圧縮空気
入りの小さいボール28等を挟み入れた物を用いる。
(0005)In order to reduce the weight of the bridge (0004), the amount of heavy concrete used is reduced (in addition to using the light laminate 21 and the cushioning plate 22), and the compressed air filled cylindrical portion is filled in each gap. In FIG. 14, a product in which a partition portion 29 and a small ball 28 containing compressed air are inserted is used.
(0005)
【0008】道路盤に弾力を持たせる(0004)ため
に、板鋼面4とその上の山型板鋼面7との間に間隙部2
6を設ける。(図3)In order to make the roadbed elastic (0004), a gap 2 is formed between the steel plate surface 4 and the angled steel plate surface 7 thereon.
6 is provided. (Fig. 3)
【0009】破断、崩落を防ぎ、地震に耐え易くする
(0004)ために 後辺縁を折曲げ垂下する吊下げ板鋼面32で吊す。尚各
部を軽くしてある(0007)。[0009] To prevent breakage and collapse and make it easy to withstand earthquakes (0004) The rear edge is hung by a hanging plate steel surface 32 which is bent down. Each part is lightened (0007).
【作用】[Action]
【0010】中央部の高い各支持物(被板鋼面部のある
5,20,18及び4,7,10又は棒状、板状の1
5,16)の、左右の傾斜面にかかる上からの荷重は、
それが平面であるよりは、斜面角度が大きい程軽減され
る。(0006)[0010] Each support having a high center portion (5, 20, 18 and 4, 7, 10 with a steel plate portion to be covered or a rod-shaped or plate-shaped 1
5,16), the load applied to the left and right inclined surfaces from above
It is reduced as the slope angle increases, rather than as a flat surface. (0006)
【0011】板鋼面4は剥がれを防ぐために曲げ抑え鋼
19,ボルト23等を必要とするが、鋼柱11とコンク
リート部に固着する板鋼面、支持棒等はその必要がな
い。又図1,3では複雑なトラス構造を用いず簡易で支
持力も強い。The steel plate surface 4 requires bending steel 19, bolts 23 and the like to prevent peeling, but the steel plate surface and the support rod to be fixed to the steel column 11 and the concrete portion are not required. Also, in FIGS. 1 and 3, it is simple and has a strong supporting force without using a complicated truss structure.
【0012】橋げた部の重量を軽くする(0007)
と、台風等の風圧に耐える構成であれば、上面通過車輌
等の重量を制限すると同じ効果があり、各支持物の支持
力を増す事になり、又地震にも各部の縦ゆれ、横ゆれに
耐え易くなる。[0012] Reduce the weight of the bridge (0007)
If the structure can withstand the wind pressure of a typhoon or the like, the same effect can be obtained by limiting the weight of vehicles passing above, etc., and the supporting force of each support will be increased. It becomes easy to endure.
【0013】板鋼面5,20は鋼柱とコンクリートに固
着するので、吊下げ板鋼面32を吊しても脱落しない。
尚板鋼面20は板鋼張り渡し面10(左右の外側橋脚ま
で一連とする場合)がある時は使用しなくてもよい。Since the steel plate surfaces 5 and 20 are fixed to the steel columns and concrete, they do not fall off even if the suspended steel plate surface 32 is hung.
The sheet steel surface 20 may not be used when there is the sheet steel bridging surface 10 (in the case where the left and right outer piers are connected).
【0014】圧縮空気入りの円筒部14は、その両端上
下肩部に丸み41(図4)を持たせて形の崩れを防ぎ、
仕切部29の上下面にも両肩に僅かの丸み40を設け
て、上からの荷重に対して円筒部に弾力を生じ易くし、
円筒部外壁の厚みと仕切部29(コンクリート又は硬い
合成樹脂等の塑形物)の素材と幅、円筒部とボール内の
空気圧とを調節して、荷重に崩れない硬さとする。(図
4)The cylindrical portion 14 containing compressed air has rounded portions 41 (FIG. 4) at upper and lower shoulders at both ends to prevent the shape from being collapsed.
Slight roundness 40 is also provided on both shoulders on the upper and lower surfaces of the partition part 29, so that elasticity is easily generated in the cylindrical part against a load from above,
By adjusting the thickness of the outer wall of the cylindrical portion, the material and width of the partition portion 29 (a molded product such as concrete or hard synthetic resin), and the air pressure in the cylindrical portion and the ball, the hardness is maintained so that the load does not collapse. (FIG. 4)
【0015】板鋼面4と山型板鋼面7との間に間隙部2
6があると、上からの荷重により山型板鋼面7の中央上
部が下がると、左右曲げ上げ部9の先端の上面曲げ下げ
部8との間の円筒部14がその左右の8,9と共に上方
へ押上げられ、左右曲げ上げ部9が橋脚内面ふくれ出し
部6の上に乗って荷重を減ずる効果と相俟って、上面か
らの強い衝撃的荷重を弾力的に和らげ且減じ、荷重に耐
える力を増し得る。又7の左右の曲げ上げ部9とその先
端の曲げ下げ部8とその間の円筒部17とが軽い事と相
俟って地震の振動のエネルギーをも減じ、間隙部6と各
円筒部17,9,8との弾力により、橋げたの分断、崩
落を防ぎ易くする。A gap 2 between the steel plate surface 4 and the angled steel plate surface 7
6, when the load from above lowers the central upper portion of the angled steel plate surface 7, the cylindrical portion 14 between the left and right bent-up portions 9 and the upper surface bent-down portion 8 becomes the right and left 8, 9. Together with the effect that the left and right bent portions 9 ride on the bulging portion 6 on the inner surface of the pier to reduce the load, thereby elastically softening and reducing the strong shock load from the upper surface. Can increase the power to withstand. In addition to the lightness of the left and right bent-up portions 9 of 7, the bent-down portion 8 at the tip thereof, and the cylindrical portion 17 therebetween, the energy of the vibration of the earthquake is reduced, and the gap portion 6 and each of the cylindrical portions 17, The elasticity of 9, 8 makes it easier to prevent the bridge girder from breaking or collapsing.
【0016】挟み板17,かけ止め板鋼面18は,曲げ
抑え鋼19と共に橋げた左右肩部の側圧による崩れを防
ぐために用いる。The sandwiching plate 17 and the retaining plate steel surface 18 are used together with the bending restraining steel 19 to prevent collapse of the left and right shoulders bridged by lateral pressure.
【0017】図1の板鋼張り渡し面10はその上に軽く
て硬い積層板21を用いる道路盤1とする場合で、図3
の板鋼面20は、その左右端で道路盤1との間の間隙部
は橋脚部のコンクリート部であるが、10と20は何れ
も吊下げ板鋼面20を吊し得るので、図1と3で、10
と20を交換して用いてもよい。FIG. 1 shows a case where the steel sheet mounting surface 10 is a roadbed 1 using a light and hard laminated plate 21 thereon.
The gap between the left and right ends of the steel plate surface 20 and the roadbed 1 is a concrete portion of the pier, but since both 10 and 20 can hang the suspended plate steel surface 20, FIG. And 3, 10
And 20 may be used interchangeably.
【実施例】【Example】
【0018】図1は左右の支間を狭く小型とし、主に一
方通行の一車線とし、図3は支間が広ぐ、往復車線とす
る場合であるが、板鋼面を用いる支持物と、棒状又は板
状の支持物は、両図のどちらにも各種組合わせて使用さ
れ得る。FIG. 1 shows a case where the left and right spans are narrow and small, and mainly one-way lane. FIG. 3 shows a case where the spans are wide and a reciprocating lane. Alternatively, a plate-like support may be used in various combinations in either of the drawings.
【0019】図1で、板鋼面5は、橋脚内の鋼柱11
(5に用いる帯板鋼のつぎ目を考慮して前後に数本配
列)の側面へ掛け渡す取付板12へ鋲と熔接等で固定
し、尚橋脚内面の上部円弧状等の板鋼面の左右垂下部と
共にボルト23等を用いてコンクリート内に堅固に固定
される。In FIG. 1, the steel plate surface 5 corresponds to the steel column 11 in the pier.
(Several strips are arranged in front and back in consideration of the seams of the strip steel used in 5). The mounting plate 12 is fixed to the mounting plate 12 to be hooked and welded to the side of the steel plate. It is firmly fixed in the concrete using bolts 23 etc. together with the left and right hanging parts.
【0020】板鋼面20は、図3で、左右曲げ下げ端部
(道路盤下面から大きく離れると板鋼面5となる)を鋼
柱11に突き通して固定する(道路盤下面に左右外側橋
脚まで一連の板鋼張り渡し面10のある場合は不要)。In FIG. 3, the sheet steel surface 20 is fixed by penetrating the left and right bent lower ends (the sheet steel surface 5 when largely separated from the lower surface of the road board) into the steel columns 11 (left and right outer sides on the lower surface of the road board). It is not necessary if there is a series of steel plate connecting surfaces 10 up to the pier).
【0021】 面部で、棒状支持物15又は曲げ抑え鋼19等の内下面
を支えた左右に斜上へ折曲げ(15,19に当る部に切
込部を設けて曲げ下げ、板鋼面4に当る部の数か所の切
込線へ数枚の折曲げ上げた切込片部36を通し、その周
囲を固め、36の先端27を板鋼面5の切込線へ通し曲
げ下げて固定する。[0021] In the surface portion, it is bent obliquely upward and downward to the left and right while supporting the inner and lower surfaces of the bar-shaped support 15 or the bending restraining steel 19 (a cut portion is provided at a portion corresponding to 15, 19, and bent down, and a portion corresponding to the sheet steel surface 4 is bent. Then, several bent pieces 36 are passed through several cut lines, and the periphery thereof is solidified. The tip 27 of 36 is passed through the cut line of the steel sheet surface 5 and bent down to be fixed.
【0022】支持棒15は、図2で曲げ抑え鋼19の内
側にあり、図1でその上部で板鋼面4を曲げ抑えた左右
を、板鋼面4を突き通して曲げ上げ(水平方向に曲げる
より曲げ上げる方が板鋼面4の上部円弧面を支える力が
強い)た先を鋼柱11の側面の取付板13へ突き通し又
は側面に熔接等する。The support bar 15 is located inside the bending steel 19 in FIG. 2, and the left and right sides of the steel bar 4 whose bending is restrained at the upper part in FIG. The tip of the steel column 4 is stronger than that of the steel plate 4 by supporting the upper arcuate surface of the steel plate 4. The tip is pierced into the mounting plate 13 on the side surface of the steel column 11 or welded to the side surface.
【0023】支持棒16は、図3で板鋼面4の上方円弧
部中央下面を抑えて中央支柱25に固定(図2でほぼ1
5と同位置)した左右で板鋼面4を突き通して曲げ下げ
た先の垂直部を鋼柱11の側面の取付板13に熔接等し
又は突き通して水平方向に突き通すより、垂直方向に固
定する方が板鋼面4等を支持する力が強い)固定する、
但し垂下部を前片と後片に分けて鋼柱を挟み合わせても
よい。The support bar 16 is fixed to the central support 25 by holding down the central lower surface of the upper arc portion of the steel plate surface 4 in FIG.
5). The vertical portion which is bent down by penetrating the steel plate surface 4 on the left and right sides is welded or pierced to the mounting plate 13 on the side surface of the steel column 11 and penetrated in the vertical direction. Fixing is stronger in supporting the steel plate surface 4 etc.)
However, the hanging portion may be divided into a front piece and a rear piece, and the steel columns may be sandwiched.
【0024】挟み板17は図1,3で、曲げ抑え鋼19
又は支持棒15,16を囲い挟み止めた前片と後片で、
夫々板鋼面4を突き通し稍曲げ上げた先を鋼柱11を挟
み囲った前片と後片を重ね合わせて固定する。The sandwiching plate 17 is shown in FIGS.
Or the front and rear pieces that surround and support the support rods 15 and 16
The front and rear pieces, which surround the steel column 11 at the ends slightly bent and penetrated through the steel plate surface 4, are fixed to each other.
【0025】吊下げ板鋼面32は図2で板鋼張り渡し面
10(又は板鋼面20或いは5)の前後縁から、図1,
3のほぼ点線まで垂下して、梁板鋼35,24の前後端
面とその左右の曲げ抑え鋼19と板鋼面4,5等の側面
にも熔接又は鋲止め等で固定し得る。In FIG. 2, the suspended steel plate surface 32 extends from the front and rear edges of the steel plate connecting surface 10 (or the steel plate surface 20 or 5) in FIG.
3 and can be fixed to the front and rear end faces of the beam steel plates 35, 24 and the left and right bending restraining steels 19 and the side surfaces of the steel plate surfaces 4, 5, etc. by welding or tacking.
【0026】「0007」に示す積層板21は、比重が
軽く、腐蝕、摩耗し難く、硬い合成樹脂板、加硫ゴム、
合成ゴム、代用皮等を組合わせ積層し、それに続く緩衝
板22(図1,3)にも同様の合成樹脂板、金属板等を
挟む皮、ゴム等を用いる。The laminate 21 indicated by “0007” has a low specific gravity, is hardly corroded and abraded, is a hard synthetic resin plate, a vulcanized rubber,
Synthetic rubber, substitute leather and the like are combined and laminated, and a similar synthetic resin plate, a leather sandwiching a metal plate, and the like are used for the buffer plate 22 (FIGS. 1 and 3).
【0027】図4の円筒部14の外周で、特に他の板鋼
面部等との接触面には、緩衝板22を貼布等して摩擦を
和らげ、又は熔接等で固定する場合もある。〔発明の効
果〕In some cases, a buffer plate 22 is attached to the outer periphery of the cylindrical portion 14 in FIG. 4, especially the contact surface with another steel plate surface portion, etc. to reduce friction, or fixed by welding or the like. 〔The invention's effect〕
【0028】左右橋脚内の鋼柱とコンクリート部に固着
し、中央部を高くする板鋼面部のある5,20,18
と、棒状又は板状の支持棒15,16,挟み板17とに
より、道路盤1とその下面の橋げた等の高架部を支持し
易くし、尚道路盤下面には圧縮空気入りの円筒部14,
間隙部26とのある弾力部及び吊下げ板鋼面32等を用
いて、高架部が分断又は崩落し難く、且地震等の衝撃に
も耐え易くしてある。5,20,18 with a steel plate part which is fixed to the steel column and concrete part in the left and right piers, and the center part is raised.
And the rod-shaped or plate-shaped support rods 15, 16 and the sandwiching plate 17 make it easier to support the road board 1 and an elevated portion such as a bridge on the lower surface thereof. ,
By using an elastic portion having the gap portion 26 and the steel plate surface 32 of the suspension plate, the elevated portion is hardly divided or collapsed, and easily withstands an impact such as an earthquake.
【手続補正3】[Procedure amendment 3]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】図2[Correction target item name] Figure 2
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図2】 FIG. 2
【手続補正4】[Procedure amendment 4]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】図4[Correction target item name] Fig. 4
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図4】 FIG. 4
【手続補正書】[Procedure amendment]
【提出日】平成8年10月22日[Submission date] October 22, 1996
【手続補正1】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】0014[Correction target item name] 0014
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【0014】圧縮空気入りの円筒部14は、その両端上
下肩部に丸み31(図4)を持たせて形の崩れを防ぎ、
仕切部29の上下面にも両肩にも僅かの丸み30を設け
て、上からの荷重に対して円筒部に弾力を生じ易くし、
円筒部外壁の厚みと仕切部29(コンクリート又は硬い
合成樹脂等の塑形物)の素材と幅、円筒部とボール28
内の空気圧とを調節して、荷重に崩れない硬さとする。
(図4)The cylindrical portion 14 containing compressed air has rounded portions 31 (FIG. 4) at upper and lower shoulders at both ends to prevent the shape from being collapsed.
A slight roundness 30 is provided on both the upper and lower surfaces and both shoulders of the partition portion 29 so that elasticity is easily generated in the cylindrical portion against a load from above,
The thickness of the outer wall of the cylindrical portion, the material and width of the partition portion 29 (a molded product such as concrete or hard synthetic resin), the cylindrical portion and the ball 28
By adjusting the internal air pressure, the hardness is set so as not to collapse under the load.
(FIG. 4)
【手続補正2】[Procedure amendment 2]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】図1[Correction target item name] Fig. 1
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図1】 FIG.
【手続補正3】[Procedure amendment 3]
【補正対象書類名】図面[Document name to be amended] Drawing
【補正対象項目名】図3[Correction target item name] Figure 3
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図3】 FIG. 3
Claims (6)
ート部に左右を固定し、中央部を高くする支持物によ
り、橋げた道路盤(1)下面を乗せ支える跨線橋,架道
橋の高架部。An elevated part of an overpass or an overpass that supports the left and right sides of a bridged roadbed (1) with supports that fix the left and right sides to steel columns (11) or concrete parts of the left and right piers and raise the center. .
付ける板鋼面(5,20)又は板鋼面(5,20,1
0)にかけ止めるかけ止め板鋼面(18)である「請求
項1」記載の跨線橋,架道橋の高架部。2. A steel plate (5, 20) or a steel plate (5, 20, 1) through which a steel column is pierced or attached to a side surface.
The elevated portion of an overpass or an overpass according to claim 1, wherein said elevated portion is a steel plate surface (18) to be hooked on said steel plate.
先端を前片と後片に分けて挟み囲い合わせて固定する支
持棒(15,16)である「請求項1」記載の跨線橋,
架道橋の高架部。3. The overpass according to claim 1, wherein the support is a support rod (15, 16) which is attached to the side surface of the steel column or which is fixed by sandwiching the right and left ends into front and rear pieces separately. ,
Elevated part of the overpass.
の円筒部(14)内に仕切部(29),圧縮空気入りボ
ール(28)を挟み入れた「請求項1」記載の跨線橋,
架道橋の高架部。4. The overpass according to claim 1, wherein a partition (29) and a ball (28) containing compressed air are sandwiched in a cylinder (14) containing compressed air filling each gap of the bridge.
Elevated part of the overpass.
端から吊す吊下げ板鋼面(32)に取付ける「請求項
1」記載の跨線橋,架道橋の高架部。(5) The elevated section of an overpass or overpass according to claim 1, wherein the front and rear ends of the steel plate (18) are attached to a suspended steel plate (32) suspended from the front and rear ends of the steel plate (10, 20, 5).
設ける左右曲げ上げ部(9)を有する山型板鋼面(7)
との間に間隙部(26)を設ける「請求項1」記載の跨
線橋,架道橋の高架部。6. An angle steel plate (7) having a steel plate surface (4 or 18, 5) and a left and right bent portion (9) provided thereon.
The elevated section of an overpass or an overpass according to claim 1, wherein a gap (26) is provided between the bridge and the overpass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8295588A JPH1088518A (en) | 1996-09-13 | 1996-09-13 | High level part of overbridge and over-road bridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8295588A JPH1088518A (en) | 1996-09-13 | 1996-09-13 | High level part of overbridge and over-road bridge |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH1088518A true JPH1088518A (en) | 1998-04-07 |
Family
ID=17822579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8295588A Pending JPH1088518A (en) | 1996-09-13 | 1996-09-13 | High level part of overbridge and over-road bridge |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH1088518A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106638269A (en) * | 2017-02-13 | 2017-05-10 | 南京邮电大学 | Temporary arc bridge facing traffic jam problem caused by city competing |
-
1996
- 1996-09-13 JP JP8295588A patent/JPH1088518A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106638269A (en) * | 2017-02-13 | 2017-05-10 | 南京邮电大学 | Temporary arc bridge facing traffic jam problem caused by city competing |
CN106638269B (en) * | 2017-02-13 | 2018-05-04 | 南京邮电大学 | A kind of interim arch bridge towards city race traffic jam issue |
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