JP2003253620A - Cable stayed bridge and its construction method - Google Patents
Cable stayed bridge and its construction methodInfo
- Publication number
- JP2003253620A JP2003253620A JP2002060357A JP2002060357A JP2003253620A JP 2003253620 A JP2003253620 A JP 2003253620A JP 2002060357 A JP2002060357 A JP 2002060357A JP 2002060357 A JP2002060357 A JP 2002060357A JP 2003253620 A JP2003253620 A JP 2003253620A
- Authority
- JP
- Japan
- Prior art keywords
- cable
- segment
- stayed bridge
- segments
- main
- 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.)
- Granted
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は斜張橋およびその構
築方法に関するものである。TECHNICAL FIELD The present invention relates to a cable-stayed bridge and a method for constructing the same.
【０００２】[0002]
【従来の技術】従来の斜張橋は主塔に設置した主桁が傾
斜ケーブルで吊り下げ支持されて構成されていた。前記
の主桁はプレキャストコンクリート製のセグメントが連
続的に継ぎ足されて一体化した後に、これらのセグメン
トが傾斜ケーブルで吊り下げ支持されていた。2. Description of the Related Art A conventional cable-stayed bridge is constructed by suspending and supporting a main girder installed on a main tower with an inclined cable. In the main girder, segments made of precast concrete were continuously added and integrated, and then these segments were suspended and supported by inclined cables.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記のような
斜張橋は主桁がセグメントの継ぎ足しにより形成されて
いたため、施工が大がかりになっていた。またセグメン
トが連続的に継ぎ足されて一体化した後に傾斜ケーブル
で吊り下げ支持されていたため、バランスをとるのが困
難であった。However, since the main girder of the cable-stayed bridge as described above is formed by the addition of segments, the construction has been a large scale. Moreover, since the segments were continuously added and integrated, and then suspended and supported by a tilted cable, it was difficult to balance them.
【０００４】本発明は上記のような問題に鑑みてなされ
たものであり、その目的は、簡単な施工で構築できる斜
張橋およびその構築方法を提供することである。The present invention has been made in view of the above problems, and an object thereof is to provide a cable-stayed bridge which can be constructed by simple construction and a construction method thereof.
【０００５】[0005]
【課題を解決するための手段】以上の課題を解決するた
めの本願発明の斜張橋の要旨は、対向して立設された主
塔に主桁が設置されて傾斜ケーブルで吊り下げ支持さ
れ、該主桁は主塔に適宜間隔をもって対向設置された側
桁と、該側桁間にわたって設置された床板とからなり、
前記側桁は、鉄骨を芯材としたセグメントが接合され、
かつプレストレスが付与されてなることを特徴とし、芯
材は鋼管または函形鋼管であることを含む。The gist of the cable-stayed bridge of the present invention for solving the above problems is that main girders are installed on main towers which are erected opposite to each other and are suspended and supported by inclined cables. , The main girder is composed of side girders facing each other at an appropriate interval in the main tower, and floor plates installed over the side girders,
The side girder is joined with a segment having a steel frame as a core material,
The core material is a steel pipe or a box-shaped steel pipe.
【０００６】また斜張橋の構築方法は、対向して立設さ
れた主塔に起点用セグメントを対向設置して傾斜ケーブ
ルで吊り下げ支持する工程と、前記起点用セグメントの
両端部に接続用セグメントを順次継ぎ足して傾斜ケーブ
ルで吊り下げ支持する工程と、これらのセグメントにプ
レストレスを付与して側桁を対向状に形成する工程と、
該側桁間にわたって床板を設置する工程と、この床板に
プレストレスを付与する工程とからなることを特徴とす
る。In addition, a method of constructing a cable-stayed bridge includes a step of installing the starting point segment facing each other on the main towers that are erected opposite to each other, and suspending and supporting the starting point segment, and connecting both ends of the starting point segment. A step of sequentially adding segments and suspending and supporting them with an inclined cable, and a step of applying a prestress to these segments to form side girders in an opposed shape,
The method is characterized by comprising a step of installing a floor plate over the side girders and a step of applying a prestress to the floor plate.
【０００７】さらに斜張橋の構築方法は、芯材として鋼
管を備えた起点用セグメントを対向した主塔に設置して
傾斜ケーブルで吊り下げ支持する工程と、起点用セグメ
ントの両端部に、芯材として鋼管を備えた接続用セグメ
ントを順次継ぎ足して傾斜ケーブルで吊り下げ支持する
工程と、これらのセグメントに埋設された鋼管内に現場
打ちコンクリートを打設する工程と、この現場打ちコン
クリートが硬化した後、セグメントにプレストレスを付
与して対向状の側桁を形成する工程と、該側桁間にわた
って床板を設置する工程と、この床板にプレストレスを
付与する工程とからなることを特徴とする。Further, the method of constructing a cable-stayed bridge is as follows: a step of installing a starting segment equipped with a steel pipe as a core material in an opposing main tower and suspending and supporting it with an inclined cable; and a core at both ends of the starting segment. A process of sequentially adding connecting segments equipped with steel pipes as materials and suspending and supporting them with inclined cables, a process of placing cast-in-place concrete in the steel pipes embedded in these segments, and this cast-in-place concrete was hardened After that, it is characterized by comprising a step of prestressing the segment to form opposing side girders, a step of installing a floor board between the side girders, and a step of prestressing the floor board. .
【０００８】鉄骨または鋼管を芯材とした側桁と床板と
で主桁を形成することができる。側桁を形成するセグメ
ントを軽量化することができるとともに、セグメントの
運搬が簡単にできる。各セグメントごとに傾斜ケーブル
で吊り下げ支持しながら側桁を形成するため、各セグメ
ントの微調整、すなわちバランスがとりやすくなった。The main girder can be formed by the side girder and the floor plate, which are made of steel or steel pipe as a core material. The segment forming the side girder can be lightened and the segment can be easily transported. Since the side girders are formed by suspending and supporting the inclined cables for each segment, it becomes easy to finely adjust each segment, that is, balance.
【０００９】[0009]
【発明の実施の形態】以下、本発明の斜張橋およびその
構築方法の実施の形態を図面に基づいて説明する。はじ
めに斜張橋について説明し、その後に斜張橋の構築方法
について説明する。なお、各実施の形態において同じ構
成は同じ符号を付して説明し、異なった構成にのみ異な
った符号を付して説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a cable-stayed bridge and a method for constructing the same according to the present invention will be described below with reference to the drawings. First, the cable-stayed bridge will be explained, and then the method for constructing the cable-stayed bridge will be explained. In the respective embodiments, the same configurations will be described with the same reference numerals, and different configurations will be described with different reference numerals.
【００１０】この斜張橋１は、図１および２に示すよう
に、橋台２間にわたって掛け渡された主桁３が２本１組
の主塔４から張り出された傾斜ケーブル５で吊り下げ支
持されて構成されている。As shown in FIGS. 1 and 2, this cable-stayed bridge 1 has main girders 3 suspended between abutments 2 and suspended by inclined cables 5 extending from a set of two main towers 4. It is supported and configured.
【００１１】主桁３は、図３に示すように、適宜間隔を
もって対向状に設置された側桁６と、この側桁６間にわ
たって連続的に設置された床板７とから構成されてい
る。この側桁６は起点用セグメント８の両側に接続用セ
グメント９が連続的に継ぎ足され、引張ケーブル１０で
プレストレスが付与されて形成されている。As shown in FIG. 3, the main girder 3 is composed of side girders 6 installed facing each other at appropriate intervals, and a floor plate 7 continuously installed between the side girders 6. The side girders 6 are formed by connecting the connecting segments 9 to both sides of the starting segment 8 continuously and prestressing the tensile cables 10.
【００１２】このセグメント８、９は、図４に示すよう
に、Ｈ形鋼を継ぎ足して形成した函形鋼管の鉄骨１３を
芯材としたプレキャストコンクリートであり、鉄骨１３
の一端部には傾斜ケーブル５が定着される挿入管１２が
設けられている。また、これらのセグメント８、９は、
図５に示すように、両端部から突出した鉄骨１３同士が
プレート２２でボルト接合され、この接合部には現場打
ちコンクリート１１が打設されている。したがって、芯
材として一本ものの鉄骨１３が埋設された側桁６が傾斜
ケーブル５で吊り下げ支持されている。As shown in FIG. 4, the segments 8 and 9 are precast concrete having a core of a steel frame 13 of a box-shaped steel pipe formed by adding H-shaped steel as a core material.
An insertion tube 12 to which the inclined cable 5 is fixed is provided at one end of the. Also, these segments 8 and 9 are
As shown in FIG. 5, the steel frames 13 protruding from both ends are bolted to each other by the plate 22, and the cast-in-place concrete 11 is cast at this joint. Therefore, the side girder 6 in which one steel frame 13 is embedded as the core material is suspended and supported by the inclined cable 5.
【００１３】一方、床板７はプレキャストコンクリート
板（以下ＰＣ板という）１４の接合端部１５が側桁の接
合段部１６に設置され、引張ケーブル１０でプレストレ
スを付与されて接合されている。またＰＣ板１４同士
は、図６に示すように、長辺側の突起１７が他のＰＣ板
１４の長辺側の凹部１８に嵌入され、引張ケーブル１０
でプレストレスが付与されて接合されている。On the other hand, in the floor board 7, a joining end portion 15 of a precast concrete board (hereinafter referred to as a PC board) 14 is installed in a joining step portion 16 of a side girder, and a tensile cable 10 is prestressed to join. In addition, as shown in FIG. 6, the PC boards 14 have the protrusions 17 on the long sides inserted into the recesses 18 on the long sides of the other PC boards 14, and the tensile cable 10 is connected.
Pre-stressed and joined in.
【００１４】また、図７は鉄骨１３の代わりに、鋼管１
９を芯材とした起点用セグメント２０または接続用セグ
メント２１である。このように鋼管１９を芯材として使
用すると、セグメントの軽量化を図ることができ、かつ
運搬も容易になる。Further, FIG. 7 shows a steel pipe 1 instead of the steel frame 13.
9 is a starting segment 20 or a connecting segment 21 having 9 as a core material. When the steel pipe 19 is used as the core material in this way, the weight of the segment can be reduced and the transportation becomes easy.
【００１５】次に、斜張橋の構築方法を図８および９に
より説明する。まず、図８に示すように、橋台２間に２
本１組の主塔４を適宜間隔をもって２塔立設する。次
に、これらの主塔４に起点用セグメント８を設置し、こ
の起点用セグメント８を主塔４から張り出した傾斜ケー
ブル５で吊り下げ支持する。次に、この起点用セグメン
ト８の両端部に接続用セグメント９を順次継ぎ足しなが
ら傾斜ケーブル５で吊り下げ支持する。これらのセグメ
ント８、９の接合は、図５に示すように、鉄骨１３をプ
レート２２でボルト接合した後、この接合部に現場打ち
コンクリート１１を打設する。このように各セグメント
ごとに傾斜ケーブルで吊り下げ支持しながら側桁を形成
するため、各セグメントの微調整、すなわちバランスが
とりやすくなる。Next, a method of constructing a cable-stayed bridge will be described with reference to FIGS. First, as shown in FIG.
Two main towers 4 of this set are vertically installed with an appropriate interval. Next, the starting point segment 8 is installed in these main towers 4, and the starting point segment 8 is suspended and supported by the inclined cable 5 extending from the main tower 4. Next, the connecting segments 9 are successively added to both ends of the starting segment 8 and suspended and supported by the inclined cable 5. As shown in FIG. 5, the segments 8 and 9 are joined by bolting the steel frame 13 with the plate 22 and then pouring the cast-in-place concrete 11 into the joining portion. In this way, since the side girders are formed while being suspended and supported by the inclined cable for each segment, it becomes easy to finely adjust, that is, balance each segment.
【００１６】次に、この現場打ちコンクリート１１が硬
化した後、セグメント８、９に引張ケーブル１０でプレ
ストレスを付与すると、１本の鉄骨１３を芯材とした側
桁６が、二つの主塔４で支持された状態で橋台２間に架
設される。Next, after the cast-in-place concrete 11 is hardened, prestressing is applied to the segments 8 and 9 with the tensile cable 10, so that the side girder 6 having one steel frame 13 as a core material has two main towers. It is erected between abutments 2 while being supported by 4.
【００１７】次に、図９に示すように、対向状に架設さ
れた側桁６間にＰＣ板１４を連続的に設置し、引張ケー
ブル１０でプレストレスを付与して接合する。またＰＣ
板１４同士は、図６に示すように、突起１７を他のＰＣ
板１４の凹部１８に嵌入して接合し、橋の長さ方向に挿
入した引張ケーブル１０でプレストレスを付与する。Next, as shown in FIG. 9, the PC board 14 is continuously installed between the side girders 6 which are erected so as to face each other, and prestressed by the tensile cable 10 to join them. Also PC
As shown in FIG. 6, the plates 14 have protrusions 17 that are different from each other.
Prestressing is applied by the tensile cable 10 inserted into the recess 18 of the plate 14 and joined together, and inserted in the length direction of the bridge.
【００１８】次に、図７の起点用セグメント２０および
接続用セグメント２１による斜張橋の構築方法について
説明する。この方法は、起点用セグメント２０を主塔４
に設置するまでは上記と同じである。また、起点用セグ
メント２０の両端部に接続用セグメント２１を順次継ぎ
足すには、図１０に示すように、両側端から突出した鋼
管１９同士を接合した後、この接合部と鋼管１９内とに
現場打ちコンクリート１１を打設する。Next, a method of constructing a cable-stayed bridge using the starting segment 20 and the connecting segment 21 of FIG. 7 will be described. This method uses the starting segment 20 as the main tower 4
It is the same as above until it is installed. Further, in order to successively add the connecting segments 21 to both ends of the starting point segment 20, as shown in FIG. 10, after joining the steel pipes 19 protruding from both ends, the joining part and the inside of the steel pipe 19 are joined. Pour in-place concrete 11.
【００１９】次に、この現場打ちコンクリート１１が硬
化した後、これらのセグメント２０、２１に引張ケーブ
ル１０でプレストレスを付与すると、あたかも１本の鋼
管１９を芯材とした側桁６が、二つの主塔４で支持され
た状態で橋台２間に架設される。そして、この側桁６間
に前記と同じ方法でＰＣ板１４を設置する。Next, after the cast-in-place concrete 11 is hardened, when the segments 20 and 21 are prestressed by the tensile cables 10, the side girders 6 having one steel pipe 19 as a core material are It is erected between abutments 2 while being supported by two main towers 4. Then, the PC board 14 is installed between the side girders 6 by the same method as described above.
【００２０】[0020]
【発明の効果】鉄骨または鋼管を芯材とした側桁と床板
とで主桁を形成することができる。EFFECT OF THE INVENTION The main girder can be formed by the side girder having a steel frame or steel pipe as the core material and the floor plate.
【００２１】側桁を形成するためのセグメントを軽量化
することができるとともに、このセグメントの運搬が容
易になる。[0021] The weight of the segment for forming the side girder can be reduced, and the transportation of the segment is facilitated.
【００２２】セグメントの接合精度を調整しながら側桁
を形成することができる。The side girder can be formed while adjusting the joining accuracy of the segments.
【００２３】各セグメントごとに傾斜ケーブルで吊り下
げ支持しながら側桁を形成するため、各セグメントの微
調整、すなわちバランスがとりやすくなる。Since the side girders are formed while being suspended and supported by the inclined cable for each segment, fine adjustment, that is, balance of each segment is facilitated.
【図１】斜張橋の正面図である。FIG. 1 is a front view of a cable-stayed bridge.
【図２】図１の平面図である。FIG. 2 is a plan view of FIG.
【図３】主桁の断面斜視図である。FIG. 3 is a sectional perspective view of a main girder.
【図４】（１）は接合用セグメントの断面図、（２）は
（１）の平面図、（３）は（１）の正面図である。4 (1) is a cross-sectional view of a joining segment, (2) is a plan view of (1), and (3) is a front view of (1).
【図５】セグメント同士の接合部の正面図である。FIG. 5 is a front view of a joint portion between segments.
【図６】ＰＣ板同士の接合部の断面図である。FIG. 6 is a cross-sectional view of a joint portion between PC boards.
【図７】（１）は他の接合用セグメントの断面図、
（２）は（１）の平面図である。FIG. 7 (1) is a cross-sectional view of another joining segment,
(2) is a plan view of (1).
【図８】斜張橋の構築方法を示したものであり、（１）
は主塔に起点用セグメントを設置した状態の正面図、
（２）は（１）の平面図である。FIG. 8 shows a method of constructing a cable-stayed bridge. (1)
Is a front view of the main tower with the starting point segment installed,
(2) is a plan view of (1).
【図９】斜張橋の構築方法を示したものであり、（１）
は側桁を形成した状態の正面図、（２）は（１）の平面
図である。FIG. 9 shows a method of constructing a cable-stayed bridge. (1)
Is a front view of a state where side girders are formed, and (2) is a plan view of (1).
【図１０】斜張橋の構築方法を示したものであり、
（１）は側桁間にＰＣ板を設置した状態の断面斜視図、
（２）は側桁の接合部の断面図である。FIG. 10 shows a method of constructing a cable-stayed bridge,
(1) is a sectional perspective view showing a state where a PC board is installed between the side girders,
(2) is a cross-sectional view of a joint portion of a side girder.
１ 斜張橋 ２ 橋台 ３ 主桁 ４ 主塔 ５ 傾斜ケーブル ６ 側桁 ７ 床板 ８、２０ 起点用セグメント ９、２１ 接続用セグメント １０ 引張ケーブル １１ 現場打ちコンクリート １２ 挿入管 １３ 鉄骨 １４ ＰＣ板 １５ 接合端部 １６ 接合段部 １７ 突起 １８ 凹部 １９ 鋼管 ２２ プレート 1 cable-stayed bridge 2 abutments 3 main girders 4 main tower 5 inclined cable 6 side girder 7 floor board 8, 20 Starting point segment 9,21 Connection segment 10 Tensile cable 11 Cast-in-place concrete 12 Insertion tube 13 steel frame 14 PC board 15 junction end 16 joint steps 17 Protrusion 18 recess 19 steel pipe 22 plates
Claims (4)
れて傾斜ケーブルで吊り下げ支持され、該主桁は主塔に
適宜間隔をもって対向設置された側桁と、該側桁間にわ
たって設置された床板とからなり、前記側桁は、鉄骨を
芯材としたセグメントが接合され、かつプレストレスが
付与されてなることを特徴とする斜張橋。1. A main girder is installed on opposing main towers and is suspended and supported by an inclined cable. The main girders are side girders installed opposite to each other at appropriate intervals on the main tower, and the side girders. A cable-stayed bridge, characterized in that it comprises a floor plate installed over the space, and that the side girders are joined with segments having a steel frame as a core material and are prestressed.
特徴とする請求項１に記載の斜張橋。2. The cable-stayed bridge according to claim 1, wherein the core material is a steel pipe or a box-shaped steel pipe.
ントを対向設置して傾斜ケーブルで吊り下げ支持する工
程と、前記起点用セグメントの両端部に接続用セグメン
トを順次継ぎ足して傾斜ケーブルで吊り下げ支持する工
程と、これらのセグメントにプレストレスを付与して側
桁を対向状に形成する工程と、該側桁間にわたって床板
を設置する工程と、この床板にプレストレスを付与する
工程とからなることを特徴とする斜張橋の構築方法。3. A step of installing the starting point segment on the main towers facing each other so as to face each other and suspending and supporting the starting point segment, and adding a connecting segment to both ends of the starting point segment in succession to obtain a tilted cable. A step of suspending and supporting with, a step of applying a prestress to these segments to form side girders in an opposed manner, a step of installing a floor board between the side girders, and a step of applying a prestress to this floor board A method of constructing a cable-stayed bridge, characterized by consisting of.
トを対向した主塔に設置して傾斜ケーブルで吊り下げ支
持する工程と、起点用セグメントの両端部に、芯材とし
て鋼管を備えた接続用セグメントを順次継ぎ足して傾斜
ケーブルで吊り下げ支持する工程と、これらのセグメン
トに埋設された鋼管内に現場打ちコンクリートを打設す
る工程と、この現場打ちコンクリートが硬化した後、セ
グメントにプレストレスを付与して対向状の側桁を形成
する工程と、該側桁間にわたって床板を設置する工程
と、この床板にプレストレスを付与する工程とからなる
ことを特徴とする斜張橋の構築方法。4. A step of installing a starting point segment having a steel pipe as a core material in a main tower facing each other and suspending and supporting the inclined segment cable, and a connection having a steel tube as a core material at both ends of the starting point segment. For sequentially adding the segments for suspension and supporting them with a slant cable, placing the cast-in-place concrete in the steel pipes buried in these segments, and pre-stressing the segments after the cast-in-place concrete hardens. A method for constructing a cable-stayed bridge, comprising: a step of applying and forming opposing side girders; a step of installing a floor board between the side girders; and a step of prestressing the floor board.
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| JP2002060357A JP3701250B2 (en) | 2002-03-06 | 2002-03-06 | Cable stayed bridge and its construction method |
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| JP2002060357A JP3701250B2 (en) | 2002-03-06 | 2002-03-06 | Cable stayed bridge and its construction method |
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| JP3701250B2 JP3701250B2 (en) | 2005-09-28 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006526716A (en) * | 2003-06-02 | 2006-11-24 | フレシネ | Method for securing parallel wire cables and suspension mechanisms for buildings |
| CN101555680B (en) * | 2009-04-14 | 2011-01-26 | 中铁一局集团有限公司 | Large-span Pi type socle beam construction process in non-rope area of cable stayed bridge |
| CN103243654A (en) * | 2013-05-16 | 2013-08-14 | 中交路桥华南工程有限公司 | Mounting method for steel anchor beam of cable-stayed bridge and assembly jig and cable bent tower mounting platform used in method |
| CN103882812A (en) * | 2014-04-03 | 2014-06-25 | 重庆建工桥梁工程有限责任公司 | Construction method for midspan main beams of cable-stayed bridge |
| CN104294747A (en) * | 2014-09-23 | 2015-01-21 | 同济大学 | Double-tower hybrid beam cable-stayed bridge system and construction method thereof |
| CN106351128A (en) * | 2016-11-28 | 2017-01-25 | 中交路桥华南工程有限公司 | Construction method of cable stayed bridge side span main beam |
| CN106567320A (en) * | 2016-07-08 | 2017-04-19 | 中铁二院工程集团有限责任公司 | Local gravity rigidity and assisting stay cable structural system of long-span cable-stayed bridge |
| CN106702910A (en) * | 2016-12-29 | 2017-05-24 | 中交第三航务工程局有限公司 | Main girder construction process for extradosed cable-stayed bridge with double towers and double cable planes |
| CN106968161A (en) * | 2017-05-18 | 2017-07-21 | 南京同力建设集团股份有限公司 | A kind of oblique pull foot bridge beam slab and building method |
| CN108330811A (en) * | 2018-01-11 | 2018-07-27 | 浙江交科交通科技有限公司 | A kind of asymmetric assembled steel cable-stayed bridge and erection method |
| CN110528392A (en) * | 2019-08-28 | 2019-12-03 | 中铁大桥局集团有限公司 | A kind of erection method of the full welding steel purlin stiff girder of large-scale suspension bridge |
| CN110629678A (en) * | 2019-10-23 | 2019-12-31 | 中国电建集团成都勘测设计研究院有限公司 | Cable-stayed bridge's cable auxiliary stand |
| CN112048987A (en) * | 2020-08-12 | 2020-12-08 | 中铁大桥勘测设计院集团有限公司 | Single-tower space cable-surface ground anchor cable-stayed bridge under limited space condition under bridge |
| CN113897868A (en) * | 2021-10-12 | 2022-01-07 | 张成瑞 | Construction method for realizing short-tower cable-stayed bridge closure front box girder segment by long platform front fulcrum hanging basket |
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2002
- 2002-03-06 JP JP2002060357A patent/JP3701250B2/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006526716A (en) * | 2003-06-02 | 2006-11-24 | フレシネ | Method for securing parallel wire cables and suspension mechanisms for buildings |
| CN101555680B (en) * | 2009-04-14 | 2011-01-26 | 中铁一局集团有限公司 | Large-span Pi type socle beam construction process in non-rope area of cable stayed bridge |
| CN103243654A (en) * | 2013-05-16 | 2013-08-14 | 中交路桥华南工程有限公司 | Mounting method for steel anchor beam of cable-stayed bridge and assembly jig and cable bent tower mounting platform used in method |
| CN103882812A (en) * | 2014-04-03 | 2014-06-25 | 重庆建工桥梁工程有限责任公司 | Construction method for midspan main beams of cable-stayed bridge |
| CN103882812B (en) * | 2014-04-03 | 2016-01-20 | 重庆建工桥梁工程有限责任公司 | Across the construction method of girder in stayed-cable bridge |
| CN104294747A (en) * | 2014-09-23 | 2015-01-21 | 同济大学 | Double-tower hybrid beam cable-stayed bridge system and construction method thereof |
| CN104294747B (en) * | 2014-09-23 | 2016-05-18 | 同济大学 | A kind of double tower hybrid beam cable-stayed bridge system and construction method thereof |
| CN106567320A (en) * | 2016-07-08 | 2017-04-19 | 中铁二院工程集团有限责任公司 | Local gravity rigidity and assisting stay cable structural system of long-span cable-stayed bridge |
| CN106567320B (en) * | 2016-07-08 | 2018-11-23 | 中铁二院工程集团有限责任公司 | The local gravity rigidity and auxiliary suspension cable structure system of large span stayed-cable bridge |
| CN106351128A (en) * | 2016-11-28 | 2017-01-25 | 中交路桥华南工程有限公司 | Construction method of cable stayed bridge side span main beam |
| CN106351128B (en) * | 2016-11-28 | 2019-04-09 | 中交路桥华南工程有限公司 | The construction method of cable-stayed bridge end bay girder |
| CN106702910A (en) * | 2016-12-29 | 2017-05-24 | 中交第三航务工程局有限公司 | Main girder construction process for extradosed cable-stayed bridge with double towers and double cable planes |
| CN106968161A (en) * | 2017-05-18 | 2017-07-21 | 南京同力建设集团股份有限公司 | A kind of oblique pull foot bridge beam slab and building method |
| CN108330811A (en) * | 2018-01-11 | 2018-07-27 | 浙江交科交通科技有限公司 | A kind of asymmetric assembled steel cable-stayed bridge and erection method |
| CN110528392A (en) * | 2019-08-28 | 2019-12-03 | 中铁大桥局集团有限公司 | A kind of erection method of the full welding steel purlin stiff girder of large-scale suspension bridge |
| CN110629678A (en) * | 2019-10-23 | 2019-12-31 | 中国电建集团成都勘测设计研究院有限公司 | Cable-stayed bridge's cable auxiliary stand |
| CN112048987A (en) * | 2020-08-12 | 2020-12-08 | 中铁大桥勘测设计院集团有限公司 | Single-tower space cable-surface ground anchor cable-stayed bridge under limited space condition under bridge |
| CN113897868A (en) * | 2021-10-12 | 2022-01-07 | 张成瑞 | Construction method for realizing short-tower cable-stayed bridge closure front box girder segment by long platform front fulcrum hanging basket |
| CN113897868B (en) * | 2021-10-12 | 2023-06-20 | 张成瑞 | Construction method for box girder sections before closure of short-tower cable-stayed bridge |
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