CN205077398U - Anchor structure of self anchored suspension bridge main push -towing rope - Google Patents

Anchor structure of self anchored suspension bridge main push -towing rope Download PDF

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Publication number
CN205077398U
CN205077398U CN201520796730.7U CN201520796730U CN205077398U CN 205077398 U CN205077398 U CN 205077398U CN 201520796730 U CN201520796730 U CN 201520796730U CN 205077398 U CN205077398 U CN 205077398U
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anchor
self
anchor structure
towing rope
main push
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CN201520796730.7U
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臧瑜
戴建国
陈多
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Shanghai Municipal Engineering Design Insitute Group Co Ltd
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Abstract

The utility model discloses an anchor structure of self anchored suspension bridge main push -towing rope, including main push -towing rope (1), girder (2), anchor crossbeam (3), anchor crossbeam (3) are located the both ends of girder (2), anchor crossbeam (3) are provided with anchor case room (5), at least, be provided with a baffle in the anchor case room (5), the baffle will anchor case room (5) divides a plurality of cabins (53) into, main push -towing rope (1) will through scattered all alone device (4) fixed on girder (2) main push -towing rope (1) homodisperse is a plurality of sub -thread cables strand (11), a plurality of roots strand (11) even dispersed anchor is asked for at every to the sub -thread in cabin (53). The utility model discloses can optimize the atress of anchor crossbeam, make the structure of the suspension bridge after the construction stabilize more and safety to can save construction cost.

Description

The anchor structure of finished main cable shape of self-anchored suspension
Technical field
The utility model relates to bridge structure design technical field, particularly a kind of anchor structure of finished main cable shape of self-anchored suspension.
Background technology
Suspension bridge, has another name called suspension bridge, refers to and to be hung by Sarasota and to be anchored in the cable at two sides anchor ingot or girder two ends or the steel chain bridge as the main supporting member of superstructure.Its cable geometry, by equilibrium of forces conditional decision, generally hangs line close to multistage.To hang down many suspension rods from cable, bridge floor is hung, standingly between bridge floor and suspension rod put stiff girder, form combined system, to reduce the deflection deformation caused by mobile load with cable.The main push-towing rope of general suspension bridge is all anchored on anchorage, in limited instances, for meeting special designing requirement, also main push-towing rope directly can be anchored on girder, thus eliminate huge anchorage, become self-anchored suspension bridge.Please refer to Fig. 1, current finished main cable shape of self-anchored suspension anchorage style is mainly taked to scatter at the beam-ends of girder the form of anchoring.Namely establish loose cable saddle or loose noose at the beam-ends of girder, main push-towing rope 7 is by dispersed one-tenth some sub-thread strands 8 after loose cable saddle or loose noose, and every root sub-thread strand 8 is anchored in the anchorage box room 9 of the anchoring crossbeam connected with girder with anchor cup.The anchor structure of this kind of main push-towing rope, anchorage box room 9 is one, some sub-thread strands are dispersed in anchorage box room 9, when self-anchored suspension bridge increases across footpath, often because main push-towing rope power causes difficulty to more greatly anchoring local pressure, and need to arrange the anchoring crossbeam with larger deck-molding and thickness at the beam-ends of girder.In built self-anchored suspension bridge, the increase of the deck-molding of anchoring crossbeam causes adverse influence to the stressed of bridge, and the increase of the thickness of anchoring crossbeam brings certain difficulty to bridge structure design construction.
Utility model content
The purpose of this utility model is, overcomes above-mentioned technical problem, provides a kind of anchor structure of finished main cable shape of self-anchored suspension.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of anchor structure of finished main cable shape of self-anchored suspension, comprise main push-towing rope, girder, anchoring crossbeam, described anchoring crossbeam is positioned at the two ends of girder, described anchoring crossbeam is provided with anchorage box room, described anchorage box indoor are at least provided with a dividing plate, described anchorage box room is divided into multiple cabin by described dividing plate, described main push-towing rope by be fixed on loose rope device on girder by dispersed for described main push-towing rope be some sub-thread strands, some described sub-thread strands disperse to be anchored in each described cabin uniformly.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, described dividing plate is diaphragm.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, the quantity of described diaphragm is more than one.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, described dividing plate is vertical clapboard.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, the quantity of described vertical clapboard is more than one.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, sub-thread strand described in every root is anchored at corresponding in described cabin by anchor cup.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, described anchor cup is hot casting anchor cup or HiAm anchorage cup.
Further, the anchor structure of the finished main cable shape of self-anchored suspension that the utility model provides, described loose rope device is loose cable saddle or loose noose.
Compared with prior art, anchorage box room is arranged at least one dividing plate by the utility model, so that anchorage box room is divided into multiple cabin, during construction, by main push-towing rope after loose rope device is separated into several sub-thread strands, by dispersed for several sub-thread strands each cabin and anchoring, after sub-thread strand anchors to each cabin, main push-towing rope stressed is distributed in each cabin of anchorage box room by equilibrium, when overcoming a use anchorage box room in prior art, be delivered to the stressed concentration of local of main push-towing rope anchorage box room to the stressed adverse effect caused of anchoring beam structure.Therefore, the utility model need not increase thickness and the height of anchoring crossbeam, i.e. the stressing influence that causes of increase that is balanced and that alleviate the horizontal depth of beam of anchoring, and the increase overcoming again the thickness of anchoring crossbeam causes the situation of constructional difficulties to bridge.Namely the stressed of anchoring crossbeam is optimized.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anchorage box room of prior art;
Fig. 2 is the main TV structure schematic diagram of the suspension bridge of the utility model one embodiment;
Fig. 3 is the plan structure schematic diagram of the suspension bridge of the utility model one embodiment;
Fig. 4-6 is structural representations of the anchorage box room of the utility model one embodiment.
Prior art illustrates: 7, main push-towing rope, and 8, the old strand of sub-thread, 9, anchorage box room;
The utility model illustrates: 1, main push-towing rope, and 11, sub-thread strand, 2, girder, 3, anchoring crossbeam, 4, loose rope device, 5, anchorage box room, 51, diaphragm, 52, vertical clapboard, 53, cabin, 54, anchor cup, 6, bridge pier.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
Please refer to Fig. 2-6, the present embodiment provides a kind of anchor structure of finished main cable shape of self-anchored suspension, comprise main push-towing rope 1, girder 2, anchoring crossbeam 3, described anchoring crossbeam 3 is positioned at the two ends of girder 2, described anchoring crossbeam 3 is provided with anchorage box room 5, a dividing plate is at least provided with in described anchorage box room 5, described anchorage box room 5 is divided into multiple cabin 53 by described dividing plate, described main push-towing rope 1 by be fixed on loose rope device 4 on girder 2 by dispersed for described main push-towing rope 1 be some sub-thread strands 11, some described sub-thread strand 11 dispersions are uniformly anchored in each described cabin 53.
Anchorage box room 5 is arranged at least one dividing plate by the present embodiment, so that anchorage box room 5 is divided into multiple cabin 53, during construction, main push-towing rope 1 is separated into after several sub-thread strands 11 through loose rope device 4, by also anchoring in dispersed for several sub-thread strands 11 each cabin 53, after sub-thread strand 11 anchors to each cabin 53, the stressed each cabin 53 being distributed to anchorage box room 5 by equilibrium of main push-towing rope 1 is indoor, when overcoming a use anchorage box room in prior art, be delivered to anchorage box room to the stressed concentration of local of main push-towing rope, to the stressed adverse effect caused of anchoring beam structure.Therefore, the utility model need not increase thickness and the height of anchoring crossbeam 3, i.e. the adverse effect that causes of the increase of height that is balanced and that alleviate anchoring crossbeam 3, and the increase overcoming again the thickness of anchoring crossbeam 3 causes the situation of constructional difficulties to bridge.That is, the anchorage box room 5 on the anchoring crossbeam 3 of the beam-ends of girder 2 is taken point cabin 53 anchor measure by the utility model, thus makes the stressed of anchoring crossbeam 3 obtain optimization to a great extent.The thickness of anchoring crossbeam 3 can significantly reduce, and can be reached the anchoring crossbeam 3 of the less deck-molding of employing or deck-siding by the flexible setting of cabin 53 internal partition.It can thus be appreciated that the utility model makes the overall structure of suspension bridge more light and handy, indirectly saves construction cost, has certain economic advantages.
Please refer to Fig. 4-6, as preferably embodiment, the anchor structure of the finished main cable shape of self-anchored suspension that the present embodiment provides, described dividing plate is diaphragm 51, also can be vertical clapboard 52, can also be the combination of diaphragm 51 and vertical clapboard 52.Wherein, Fig. 4 is the mode that a diaphragm 51 and a vertical clapboard 52 combine, and this kind of mode, can divide more cabin 53 uniformly, and it is best that it overcomes stressed impact.Fig. 5 is a vertical clapboard 52, Fig. 6 is a diaphragm 51, specifically see the dotted box portion in Fig. 5, Fig. 6.The quantity of diaphragm 51 of the present utility model and/or vertical clapboard 52 is not limited to one, can carry out suitable setting according to construction environment demand, overcomes the stressed impact of main push-towing rope 1 to reach.It should be noted that, symmetrical structure centered by Fig. 4-6, multiple cabins 53 at two ends, anchorage box room about 5 are identical structural configuration.
Please refer to Fig. 4-6, as preferably embodiment, the anchor structure of the finished main cable shape of self-anchored suspension that the present embodiment provides, sub-thread strand 11 described in every root is anchored at corresponding in described cabin 53 by anchor cup 54.Wherein, anchor cup 54 can be hot casting anchor cup, also can be HiAm anchorage cup, and object is the effective anchoring realizing sub-thread strand 11.
Please refer to Fig. 2-3, as preferably embodiment, the anchor structure of the finished main cable shape of self-anchored suspension that the present embodiment provides, described loose rope device 4 is loose cable saddle or loose noose.As long as the object of disperseing main push-towing rope 1 can be realized, it can also be other structure of the prior art.Wherein, bridge pier 6 is any one pillarwork.
The utility model is not limited to above-mentioned specific embodiment, and all various changes done in the spirit and scope of claims of the present utility model are all within protection domain of the present utility model.

Claims (8)

1. the anchor structure of a finished main cable shape of self-anchored suspension, comprise main push-towing rope (1), girder (2), anchoring crossbeam (3), described anchoring crossbeam (3) is positioned at the two ends of girder (2), described anchoring crossbeam (3) is provided with anchorage box room (5), it is characterized in that, a dividing plate is at least provided with in described anchorage box room (5), described anchorage box room (5) is divided into multiple cabin (53) by described dividing plate, described main push-towing rope (1) by be fixed on loose rope device (4) on girder (2) by dispersed for described main push-towing rope (1) be some sub-thread strands (11), some described sub-thread strand (11) dispersions are uniformly anchored in each described cabin (53).
2. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 1, it is characterized in that, described dividing plate is diaphragm (51).
3. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 2, it is characterized in that, the quantity of described diaphragm (51) is more than one.
4. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 1, it is characterized in that, described dividing plate is vertical clapboard (52).
5. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 4, it is characterized in that, the quantity of described vertical clapboard (52) is more than one.
6. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 1, is characterized in that, sub-thread strand (11) described in every root is anchored in corresponding described cabin (53) by anchor cup (54).
7. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 6, it is characterized in that, described anchor cup (54) is hot casting anchor cup or HiAm anchorage cup.
8. the anchor structure of finished main cable shape of self-anchored suspension as claimed in claim 1, is characterized in that, described loose rope device (4) is loose cable saddle or loose noose.
CN201520796730.7U 2015-10-15 2015-10-15 Anchor structure of self anchored suspension bridge main push -towing rope Active CN205077398U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592427A (en) * 2016-12-14 2017-04-26 中铁第四勘察设计院集团有限公司 Stay cable ground anchor structure
CN107724236A (en) * 2017-10-24 2018-02-23 长江水利委员会长江科学院 A kind of Tunnel-Type Anchorage of Suspension Bridge combination anchor and method of construction
CN112647431A (en) * 2020-12-30 2021-04-13 中国电建集团市政规划设计研究院有限公司 Construction method and design method for replaceable main cable of self-anchored suspension bridge

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592427A (en) * 2016-12-14 2017-04-26 中铁第四勘察设计院集团有限公司 Stay cable ground anchor structure
CN106592427B (en) * 2016-12-14 2018-04-20 中铁第四勘察设计院集团有限公司 A kind of suspension cable ground anchor structure
CN107724236A (en) * 2017-10-24 2018-02-23 长江水利委员会长江科学院 A kind of Tunnel-Type Anchorage of Suspension Bridge combination anchor and method of construction
CN107724236B (en) * 2017-10-24 2022-05-03 长江水利委员会长江科学院 Suspension bridge tunnel anchor combined anchorage and construction method
CN112647431A (en) * 2020-12-30 2021-04-13 中国电建集团市政规划设计研究院有限公司 Construction method and design method for replaceable main cable of self-anchored suspension bridge
CN112647431B (en) * 2020-12-30 2022-06-10 中国电建集团市政规划设计研究院有限公司 Construction method and design method for replaceable main cable of self-anchored suspension bridge

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