CN205775786U - A kind of novel railway curve Cable-stayed Bridge with Slanted Pylon - Google Patents

A kind of novel railway curve Cable-stayed Bridge with Slanted Pylon Download PDF

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Publication number
CN205775786U
CN205775786U CN201620451898.9U CN201620451898U CN205775786U CN 205775786 U CN205775786 U CN 205775786U CN 201620451898 U CN201620451898 U CN 201620451898U CN 205775786 U CN205775786 U CN 205775786U
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China
Prior art keywords
bridge
curve
cable
end bay
pier
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Withdrawn - After Issue
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CN201620451898.9U
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Chinese (zh)
Inventor
李桂林
严定国
廖祖江
罗世东
周继
张晓江
陈名欢
柳鸣
郭远航
史娣
黎曙文
明发焱
李波
杨勇
杜伟
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China Railway Siyuan Survey and Design Group Co Ltd
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China Railway Siyuan Survey and Design Group Co Ltd
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Priority to CN201620451898.9U priority Critical patent/CN205775786U/en
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Abstract

This utility model relates to Cable-Stayed Bridge Structure technical field, in particular to a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon.Including curve beam body, the Sarasota of support curve beam body and the first suspension cable being anchored on Sarasota and the second suspension cable;Curve beam body includes end bay and the main span being connected respectively with two ends curve circuit, and the length of main span, more than the length of end bay, sets abutment pier and supports below end bay, set main pier and support below main span;Sarasota includes bridge pier and the leaning tower being fixed on bridge pier, and leaning tower lower end is positioned at end bay and main span junction, and leaning tower has angle towards end bay lopsidedness and vertical direction;The first upper and lower two ends of suspension cable are anchored on leaning tower and end bay respectively, and the two ends up and down of the second suspension cable are anchored in leaning tower and main span respectively.This utility model simple in construction, easy construction, improve economic performance during railway bridge leap curve circuit, increase the navigation below the span of bridge, beneficially bridge, there is great promotional value.

Description

A kind of novel railway curve Cable-stayed Bridge with Slanted Pylon
Technical field
This utility model relates to Cable-Stayed Bridge Structure technical field, bent in particular to a kind of novel railway Line Cable-stayed Bridge with Slanted Pylon.
Background technology
Railroad bridge is the important component part in train operation, along with the fast development in city, Railway bridge gets more and more, and the structure of railway bridge becomes increasingly complex.When railroad bridge is as curve line During a part of in road, i.e. the route of train operation is the curve of a bending.In this situation Generally there are two kinds of method railway construction bridges.
The first is the bridge deck width expanding railway bridge, and railroad bridge is built according to straight line, then Curve circuit is planned on broad bridge floor.The design of this method is simple, however it is necessary that consuming is substantial amounts of Manpower and materials, bridge cost is too big, is unfavorable for popularization and application.
The second is directly to carry out, according to the planning of curve circuit, the form construction song that curved beam song does Line bridge, bridge is arranged according to the direction of curve circuit.But the force structure due to curve bridge Make a world of difference with straight line bridge, according to beam type bridge, the steel truss beam type railway bridge of prior art Certain problem is all there is with tying-bar type railway bridge.When span is crossed in the range of 100-160m Time the most wired, according to beam type bridge, arising that the phenomenon that deck-molding is higher, gauge is by pole Big restriction, solving this restriction can realize by the way of improving line elevation, but engineering Investment the most significantly increases, and economy is deteriorated.
At present at the knot mostly using steel truss girder of span railway bridge in the range of 100-160m Structure pattern, such mode configuration is complicated.And along with the requirement of railway ride comfort is more and more higher, The economy of steel truss girder becomes very poor.Same tying-bar type railway bridge there is also similar problem. When bridge is curve bridge, the bridge structure of both structural modelss becomes extremely complex, executes Work difficulty significantly promotes, and has both affected building of bridge, needs again to expend substantial amounts of cost.
Use Cable-Stayed Bridge Structure can change the structure complexity that above-mentioned bridge structure exists, difficulty of constructing Spend problem big and with high costs, but the Sarasota of existing camber beam body concrete cable-stayed bridge is equal Using straight turriform formula, end bay and main span length almost suitable, bridge connection is longer, and economy is relatively Difference, and weaken the span ability of main span.The Sarasota of single pylon cable stayed bridge is generally located on bridge Centre position, when the existing line complicated structure that bridge is crossed over, is in bridge interposition The Sarasota put may just block the current of existing line.Having span ability for some will During the circuit asked, suspension cable curve only tower concrete-bridge of prior art is the most improper 's.
Summary of the invention
The purpose of this utility model seeks to the prior art solving to mention in above-mentioned background technology The problem that the main span span ability of curve railway cable-stayed bridge is little, cannot adapt to complicated landform, it is provided that A kind of novel railway curve Cable-stayed Bridge with Slanted Pylon.
The technical solution of the utility model is: a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon, and it is special Levy and be: include the curve beam body as a curve circuit part, the Sarasota of support curve beam body And the first suspension cable of being anchored on Sarasota and the second suspension cable;Described curve beam body includes The end bay being connected with two ends curve circuit respectively and main span, the length of main span is more than the length of end bay Degree, sets abutment pier and supports below end bay, set main pier and support below main span;Described Sarasota includes bridge Pier and the leaning tower being fixed on bridge pier, leaning tower lower end is positioned at end bay and main span junction, leaning tower court End bay lopsidedness and vertical direction have angle;The first described upper and lower two ends of suspension cable anchor respectively Gu on leaning tower and end bay, the two ends up and down of the second described suspension cable be anchored at respectively leaning tower and In main span.
The most described bridge pier is positioned at below end bay and main span junction, and bridge pier is towards end bay one Roll tiltedly and vertical direction has angle.
Further the slanted angle of bridge pier is identical with the slanted angle of leaning tower.
Further bridge pier is 5~30 ° with the slanted angle of leaning tower.
The most described bridge pier upper end is provided with two spaced apart vertical beams arranged side by side, leaning tower It is fixed on two vertical beams;It is provided with horizontally disposed crossbeam between two described vertical beams, bent Line beam body is fixed on crossbeam through two its lower surfaces of vertical beam.
The most described main pier is positioned at main span one end away from leaning tower.
Distance between the most adjacent first suspension cable is less than between adjacent second suspension cable Distance.
The first the most described suspension cable anchoring lower ends is in the direction across bridge both side ends of end bay; The second described suspension cable anchoring lower ends is in the direction across bridge both side ends of main span.
Advantage of the present utility model has: 1, uses curved beam song to do form, reduces bridge deck width, Reduce girder deadweight, better economy;
2, leaning tower rigidity meets railway norm requirement;
3, leaning tower and bridge pier reduce end bay span, promote main span span ability;
4, tive load deflection is little, and maximum defluxion occurs in drag-line district, favourable to stress;
5, for shrinkage and creep and the impact of thermograde, the either amount of deflection of beam and overhead water Flat displacement is the least;
6, can construct by the method for turning, reduce difficulty of construction;
This utility model simple in construction, easy construction, when improve railway bridge leap curve circuit Economic performance, increase below the span of bridge, beneficially bridge is current, has greatly Promotional value.
Accompanying drawing explanation
Fig. 1: front view of the present utility model;
Fig. 2: top view of the present utility model (only comprises the half of curve beam body direction across bridge);
Fig. 3: this utility model bridge pier, the structural representation of leaning tower;
Wherein: 1 first suspension cable;2 second suspension cables;3 end bays;4 main spans;5 Bridge pier;6 leaning towers;7 vertical beams;8 crossbeams;9 abutment piers;10 main piers.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Such as Fig. 1~3, a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon, including curve beam body, originally The curve beam body of embodiment is the part in curve railway circuit, with existing curve circuit even Connect and form complete curve railway section.Curve beam body is done according to the structure curved beam song of curve circuit. Curve beam body includes end bay 3 and main span 4, and the length of main span 4 is more than the length of end bay 3, main Across 3 above the circuit below beam body or building, the length of main span 4 is more than The length of end bay 3 improves span ability, is conducive to the operation of lower section circuit.Below main span 4 If main pier 10 is supported, sets abutment pier 9 below end bay 3 and be supported, main pier 10 and abutment pier 9 are permanent auxiliary supports pier stud.Main pier 10 is positioned at the main span 4 side away from end bay 3 Below portion, abutment pier 9 is positioned at the end bay 3 lower section away from a side end of main span 4, main pier 10 There are the supporting construction of two two ends formation support main spans 4 splitting main span 3 with Sarasota, abutment pier 9 Two are had to split the supporting construction that the formation support edge, two ends of end bay 4 is across 3 with Sarasota.
The present embodiment uses single pylon cable stayed bridge structure, is provided with Sarasota structure and supports curve beam body.Rope Tower includes bridge pier 5 and the leaning tower 6 being fixed on bridge pier 5, and leaning tower 6 lower end is positioned at end bay 3 He Main span 4 junction, leaning tower 6 is towards end bay 3 lopsidedness, and bridge pier 5 is towards end bay 3 lopsidedness. The slanted angle of bridge pier 5 is identical with the slanted angle of leaning tower 6, bridge pier 5 and the inclination of leaning tower 6 Angle is 5~30 °, such as a in Fig. 1.It practice, as it is shown on figure 3, bridge pier 5 upper end Be provided with two along direction across bridge spaced apart vertical beam 7 arranged side by side, leaning tower 6 is fixed on two vertical beams On 7, whole leaning tower 6, bridge pier 5 and vertical beam 7 are in tilted layout according to the angle of 5~30 °. Leaning tower 6 structure being in tilted layout can increase the ability of pullling of main span 4, increase main span 4 across More ability, improves the stability of main span 4 structure.
Being provided with horizontally disposed crossbeam 8 between two vertical beams 7, curve beam body is erected through two Its lower surface of beam 7 is fixed on crossbeam 8.The support of curve beam body include crossbeam 8 support and Suspension cable pull support.
The suspension cable of the present embodiment includes that the first suspension cable 1 and second being anchored on Sarasota is oblique Drag-line 2, the first suspension cable about 1 two ends are anchored on leaning tower 6 and end bay 3 respectively, and second The two ends up and down of suspension cable 2 are anchored in leaning tower 6 and main span 4 respectively.
Length due to end bay 3 is less than the length of main span 4, therefore the first oblique pull on end bay 3 Rope 1 arranges tightr, and the second suspension cable 2 in main span 4 arranges more sparse, and adjacent Distance between one suspension cable 1 is less than the distance between adjacent second suspension cable 2.
The suspension cable anchoring lower ends of the present embodiment is in the direction across bridge both side ends of curve beam body.
Of the present utility model ultimate principle, principal character and this practicality are more than shown and described new The advantage of type.Skilled person will appreciate that of the industry, this utility model is not by above-described embodiment Restriction, principle of the present utility model is simply described described in above-described embodiment and description, On the premise of without departing from this utility model spirit and scope, this utility model also has various change Change and improve, in the range of these changes and improvements both fall within claimed this utility model.This Utility model claims scope and is defined by appending claims and equivalent thereof.

Claims (8)

1. a novel railway curve Cable-stayed Bridge with Slanted Pylon, it is characterised in that: include as curve The curve beam body of a circuit part, support the Sarasota of curve beam body and be anchored on Sarasota the One suspension cable (1) and the second suspension cable (2);Described curve beam body include respectively with two ends The end bay (3) of curve circuit connection and main span (4), the length of main span (4) is more than end bay (3) Length, end bay (3) lower section set abutment pier (9) support, main span (4) lower section set main pier (10) Support;Described Sarasota includes bridge pier (5) and the leaning tower (6) being fixed on bridge pier (5), Leaning tower (6) lower end is positioned at end bay (3) and main span (4) junction, and leaning tower (6) is towards end bay (3) lopsidedness and vertical direction have angle;Described the first suspension cable (1) two ends up and down It is anchored at respectively on leaning tower (6) and end bay (3), described the second suspension cable (2) upper Lower two ends are anchored in leaning tower (6) and main span (4) respectively.
2. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 1, its feature It is: described bridge pier (5) is positioned at below end bay (3) and main span (4) junction, bridge Pier (5) has angle towards end bay (3) lopsidedness and vertical direction.
3. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 2, its feature It is: the slanted angle of bridge pier (5) is identical with the slanted angle of leaning tower (6).
4. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 3, its feature It is: bridge pier (5) is 5~30 ° with the slanted angle of leaning tower (6).
5. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 4, its feature It is: described bridge pier (5) upper end is provided with two spaced apart vertical beams (7) arranged side by side, Leaning tower (6) is fixed on two vertical beams (7);Arrange between two described vertical beams (7) Having horizontally disposed crossbeam (8), curve beam body is fixed through two its lower surfaces of vertical beam (7) On crossbeam (8).
6. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 1, its feature It is: described main pier (10) is positioned at main span (4) one end away from leaning tower (6).
7. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 1, its feature Be: the distance between adjacent first suspension cable (1) less than adjacent second suspension cable (2) it Between distance.
8. a kind of novel railway curve Cable-stayed Bridge with Slanted Pylon as claimed in claim 7, its feature It is: described the first suspension cable (1) anchoring lower ends is in the direction across bridge two side ends of end bay (3) Portion;Described the second suspension cable (2) anchoring lower ends is in the direction across bridge both side ends of main span (4).
CN201620451898.9U 2016-05-18 2016-05-18 A kind of novel railway curve Cable-stayed Bridge with Slanted Pylon Withdrawn - After Issue CN205775786U (en)

Priority Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105821753A (en) * 2016-05-18 2016-08-03 中铁第四勘察设计院集团有限公司 Novel railway curve leaning tower cable-stayed bridge
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
CN110211480A (en) * 2019-06-04 2019-09-06 大连海事大学 A kind of long-span cablestayed bridges model applied to BIM teaching
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105821753A (en) * 2016-05-18 2016-08-03 中铁第四勘察设计院集团有限公司 Novel railway curve leaning tower cable-stayed bridge
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
CN110211480A (en) * 2019-06-04 2019-09-06 大连海事大学 A kind of long-span cablestayed bridges model applied to BIM teaching
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

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AV01 Patent right actively abandoned
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Granted publication date: 20161207

Effective date of abandoning: 20180123