CN108103921A - Part earth anchor oblique pull-suspension cable co-operative system bridge - Google Patents
Part earth anchor oblique pull-suspension cable co-operative system bridge Download PDFInfo
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- CN108103921A CN108103921A CN201711406724.6A CN201711406724A CN108103921A CN 108103921 A CN108103921 A CN 108103921A CN 201711406724 A CN201711406724 A CN 201711406724A CN 108103921 A CN108103921 A CN 108103921A
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- Prior art keywords
- king
- suspension cable
- tower
- cable
- earth anchor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D12/00—Bridges characterised by a combination of structures not covered as a whole by a single one of groups E01D2/00 - E01D11/00
Abstract
The invention discloses a kind of part earth anchor oblique pull suspension cable co-operative system bridge, including：Main span, end bay, king-tower, suspension cable and the main push-towing rope fitted together, suspension cable on end bay is anchored on the king-tower of corresponding one side, suspension cable in the both sides section of main span is anchored on the king-tower of corresponding one side, the stage casing of main span is connected to by hoist cable on main push-towing rope, and the both ends of main push-towing rope, which are connected respectively to, to be fixed on the anchorage of corresponding one side；Part suspension cable on king-tower is anchored on earth anchor.Above-mentioned part earth anchor oblique pull suspension cable co-operative system bridge, by conventional oblique pull suspension cable co-operative system and part ground anchor type cable-stayed bridge each the advantages of, combine：The girder pressure of ground anchor type cable-stayed bridge is reduced using the suspended-cable structure of suspension bridge, reduces king-tower height and suspension cable length；Meanwhile the characteristics of using ground anchor type cable-stayed bridge, bridge end bay length is reduced, reduces the size of earth anchor and anchorage, rational scheme is provided for the Large Span Bridges design that orographic condition is limited.
Description
Technical field
The present invention relates to bridge structure technical fields, and in particular to a kind of part earth anchor oblique pull-suspension cable co-operative system bridge.
Background technology
In Modern Bridge Engineering, part ground anchor type cable-stayed bridge and oblique pull-suspension cable co-operative system bridge are all that comparison is normal
The bridge type seen.As shown in Figure 1, ground anchor type cable-stayed bridge in part is the suspension cable 4 ' that king-tower 3 ' is located to 2 ' one side of end bay, one
Point be anchored on end bay 2 ', another part is anchored on the riverbank outside end bay 2 ' or the earth anchor 5 ' on the rock of mountain, main span 3 ' it is oblique
Drag-line 4 ' is anchored on king-tower 3 '；Above-mentioned structure, bridge end bay length is shorter, and the size requirement of earth anchor is smaller；But greatly across
In the case of footpath, it may appear that girder pressure is excessive, cantilever construction static(al) and dynamic instability, super long stayed cable serious vibration, super
High bridge tower stablizes the problems such as difference.And conventional oblique pull-suspension cable co-operative system bridge, derivative is combined by cable-stayed bridge and suspension bridge and
Into as shown in Figure 2, the suspension cable 4 " on end bay 2 " is all anchored on the king-tower 3 " of corresponding one side, the both sides section of main span 1 "
It is anchored at by suspension cable 4 " on the king-tower 3 " of corresponding one side, the stage casing of main span 1 " is connected to suspension cable shape by hoist cable 7 " and is arranged on
On main push-towing rope 6 " between two king-towers 3 ", the both ends of main push-towing rope 6 " are respectively fixed to corresponding a side on 2 " anchorage 5 " outside；It is outstanding
Cable Structure can reduce the pressure of ground girder, reduce king-tower height and suspension cable length, have super large span ability, but in bridge master
In the case that 1 " across footpath is larger, the length requirement of end bay 2 " is also correspondingly improved, and the 6 " ratio of rise to span of main push-towing rope of suspension cable shape compared with
Greatly, stress is undesirable.
Two kinds of bridge structures respectively have advantage and disadvantage, can preferably be utilized in the environment of orographic condition meets, but
Landform is limited in the construction of the Large Span Bridges in area, can not provide rational solution.
The content of the invention
Between the above problem, the present invention is respective by conventional oblique pull-suspension cable co-operative system and part ground anchor type cable-stayed bridge
Advantage combines, and proposes a kind of part earth anchor oblique pull-suspension cable co-operative system bridge, the Large Span Bridges being limited for orographic condition
Design provides rational scheme.
A kind of part earth anchor oblique pull-suspension cable co-operative system bridge, including：The main span that fits together, end bay, king-tower, tiltedly
Drag-line and main push-towing rope, the suspension cable on the end bay are all anchored on the king-tower of corresponding one side, the oblique pull in the both sides section of main span
Rope is anchored on the king-tower of corresponding one side, and the stage casing of main span is connected to the main push-towing rope that suspension cable shape is arranged between two king-towers by hoist cable
On, the both ends of main push-towing rope, which are connected respectively to, is fixed on corresponding a side on the anchorage outside；Part suspension cable anchoring on king-tower
To being fixed on the earth anchor outside end bay.
Further, the main span of the same king-tower and the suspension cable of end bay both sides are arranged in pairs and positioned at same vertical flat
On face, anchorage point of the suspension cable nearer from king-tower on king-tower is lower；The suspension cable of end bay one side at the top of king-tower
It anchors on the earth anchor.
Further, fixed point of the main push-towing rope on king-tower is located at the top of king-tower, and the anchorage to king-tower away from
With a distance from more than earth anchor to same king-tower.
Further, the main push-towing rope between the king-tower with outside is located on same perpendicular.
Further, the hoist cable is vertically arranged, and on same perpendicular.
Further, the length of the end bay is not more than 1/5th of main span, and the part of the setting suspension cable of main span
No more than the half of main span length.
Above-mentioned part earth anchor oblique pull-suspension cable co-operative system bridge, by conventional oblique pull-suspension cable co-operative system and partly
Anchor formula cable-stayed bridge each the advantages of combine：The girder pressure of ground anchor type cable-stayed bridge is reduced using the suspended-cable structure of suspension bridge,
Reduce king-tower height and suspension cable length；Meanwhile the characteristics of using ground anchor type cable-stayed bridge, bridge end bay length is reduced, reduces ground
The size of anchor and anchorage provides rational scheme for the Large Span Bridges design that orographic condition is limited.
Description of the drawings
Fig. 1 is the structure diagram of part ground anchor type cable-stayed bridge in the prior art；
Fig. 2 is the structure diagram of oblique pull-suspension cable co-operative system bridge in the prior art；
Fig. 3 is the structure diagram of the embodiment of the present invention；
Reference numeral：
1 '-main span；2 '-end bay；3 '-king-tower；4 '-suspension cable；5 '-earth anchor；
1 "-main span；2 "-end bay；3 "-king-tower；4 "-suspension cable；5 "-anchorage；6 "-main push-towing rope；7 "-hoist cable；
1- main spans；2- end bays；3- king-towers；4- suspension cables；5- earth anchors；6- main push-towing ropes；7- anchorages；8- hoist cables.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, with reference to
Specific embodiment, the present invention is further explained.
As shown in figure 3, earth anchor oblique pull in part provided in this embodiment-suspension cable co-operative system bridge, including：It fits together
Main span 1, end bay 2, king-tower 3, suspension cable 4 and main push-towing rope 6, the suspension cable 4 on end bay 2 is all anchored at the king-towers 3 of corresponding one side
On, the suspension cable 4 in the both sides section of main span 1 is anchored on the king-tower 3 of corresponding one side, and the stage casing of main span 1 is connected to by hoist cable 7
Suspension cable shape is arranged on the main push-towing rope 6 between two king-towers 3, and the both ends of main push-towing rope 6, which are connected respectively to, is fixed on corresponding a side outside 2
Anchorage 7 on, the part suspension cable 4 on king-tower 3 is anchored on the earth anchor 5 being fixed on outside end bay 2.
Part earth anchor oblique pull-suspension cable co-operative system bridge of said structure, 2 both sides of main span 1 and end bay of same king-tower 3
Suspension cable 4 is arranged in pairs, and on same perpendicular, anchorage point of the suspension cable 4 nearer from king-tower 3 on king-tower 3
Lower, the suspension cable 4 close to 2 one side of end bay at 3 top of king-tower anchors to the riverbank or mountain for being fixed on corresponding a side outside 2
On earth anchor 5 on rock, ensure the equilibrium of 3 both sides stress of king-tower.Fixed point of the main push-towing rope 6 on king-tower 3 is located at the top of king-tower 3,
The height of king-tower 3 maximumlly to be utilized, and the distance of the anchorage 7 of fixed main push-towing rope 6 to king-tower 3 is more than earth anchor 5 and arrives same master
The distance of tower 3 continues the arrangement of suspension cable 4 on king-tower 3, ensures the unification of the stress of entire bridge structure, and architectonic beauty
It sees.Hoist cable 8 is vertically arranged, and on same perpendicular, reaches the drag-line of entire bridge structure (including suspension cable 4, main push-towing rope
6 with hoist cable 8) structure is within parallel vertical plane, improves the stressed effect of each drag-line, ensure the stabilization of bridge structure
Property.
Specifically, part earth anchor oblique pull-suspension cable co-operative system bridge of said structure, the length of end bay 2 should not surpass
Cross 1/5th of 1 length of main span, and the part of the setting suspension cable 4 of main span 2 is no more than the half of 1 length of main span, if super
Go out this structure proportion, then it is little with conventional oblique pull-suspension cable co-operative system and part ground anchor type cable-stayed bridge difference, various
Adapting to property uses under the conditions of shape.By taking the bridge of 1 length 1000m across footpaths of main span as an example, side needed for the ground anchor type cable-stayed bridge of part
It is about 250m across 2 minimum lengths, the height of the king-tower 3 of bridge floor above section is in 200m or so；And it uses provided in this embodiment
Part earth anchor oblique pull-suspension cable co-operative system bridge, then its 2 length of end bay can foreshorten to 100m or so, the height of bridge floor more than king-tower 3
Degree only needs 110m, can greatly save project cost, enriches the form of bridge arrangement, more solutions are provided for bridge construction
Scheme.
In conclusion using part earth anchor oblique pull-suspension cable co-operative system bridge of above-mentioned technical proposal, by the oblique of routine
Drawing-suspension cable co-operative system and part ground anchor type cable-stayed bridge each the advantages of combine：It is reduced using the suspended-cable structure of suspension bridge
The girder pressure of ground anchor type cable-stayed bridge, the height of king-tower 3 needed for reduction and the length of suspension cable 4；Meanwhile utilize ground anchor type oblique pull
The characteristics of bridge, reduces by 2 length of bridge end bay, reduces the size of earth anchor 5 and anchorage 7, the Large Span Bridges being limited for orographic condition
Design provides rational scheme.
The basic principles, main features and the advantages of the invention have been shown and described above, for this field skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes falling within the meaning and scope of the equivalent requirements of the claims in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of part earth anchor oblique pull-suspension cable co-operative system bridge, including：Main span, end bay, king-tower, the oblique pull fitted together
Rope and main push-towing rope, which is characterized in that
Suspension cable on the end bay is all anchored on the king-tower of corresponding one side, and the suspension cable in the both sides section of main span is anchored at
On the king-tower of corresponding one side, the stage casing of main span is connected to by hoist cable on the main push-towing rope that suspension cable shape is arranged between two king-towers, main push-towing rope
Both ends be connected respectively to and be fixed on corresponding a side on the anchorage outside；Part suspension cable on king-tower, which anchors to, to be fixed on
On earth anchor outside end bay.
2. earth anchor oblique pull in part according to claim 1-suspension cable co-operative system bridge, which is characterized in that
The main span of the same king-tower and the suspension cable of end bay both sides are arranged in pairs and on same perpendicular, are got over from king-tower
Anchorage point of the near suspension cable on king-tower is lower；The suspension cable of end bay one side at the top of king-tower anchors to the earth anchor
On.
3. earth anchor oblique pull in part according to claim 2-suspension cable co-operative system bridge, which is characterized in that
Fixed point of the main push-towing rope on king-tower is located at the top of king-tower, and the distance of the anchorage to king-tower is more than earth anchor to together
The distance of one king-tower.
4. earth anchor oblique pull in part according to claim 3-suspension cable co-operative system bridge, which is characterized in that
Main push-towing rope between the king-tower with outside is located on same perpendicular.
5. earth anchor oblique pull in part according to claim 4-suspension cable co-operative system bridge, which is characterized in that
The hoist cable is vertically arranged, and on same perpendicular.
6. according to claim 1-5 any one of them part earth anchor oblique pull-suspension cable co-operative system bridge, which is characterized in that
The length of the end bay is not more than 1/5th of main span, and the part of the setting suspension cable of main span is not more than main span length
Half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406724.6A CN108103921A (en) | 2017-12-22 | 2017-12-22 | Part earth anchor oblique pull-suspension cable co-operative system bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406724.6A CN108103921A (en) | 2017-12-22 | 2017-12-22 | Part earth anchor oblique pull-suspension cable co-operative system bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108103921A true CN108103921A (en) | 2018-06-01 |
Family
ID=62212424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406724.6A Withdrawn CN108103921A (en) | 2017-12-22 | 2017-12-22 | Part earth anchor oblique pull-suspension cable co-operative system bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371805A (en) * | 2018-11-14 | 2019-02-22 | 西南交通大学 | A kind of large span multitower cable-cabin structure bridge and its construction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH281356A (en) * | 1949-04-27 | 1952-03-15 | Dyckerhoff & Widmann Ag | Suspension bridge for heavy traffic loads. |
| DE936144C (en) * | 1949-02-26 | 1955-12-07 | Demag Ag | Suspension bridges, in particular railway bridges, with stiffening beams and main cables |
| FR2741896A1 (en) * | 1995-12-04 | 1997-06-06 | Freyssinet Int Stup | IMPROVEMENTS TO PROCESSES FOR REHABILITATING SUSPENDED BRIDGES AND TO BRIDGES THUS REHABILITED |
| WO2005035875A1 (en) * | 2003-10-14 | 2005-04-21 | Aas-Jakobsen As | Bridge structure comprising tower, bridge beam, main/suspension cable, suspending bars, and diagonal cable-stays |
| CN101736685A (en) * | 2009-11-27 | 2010-06-16 | 大连理工大学 | Ground-anchored-self-anchored suspension combined system bridge |
| CN202450450U (en) * | 2012-02-17 | 2012-09-26 | 中交第一公路勘察设计研究院有限公司 | Reinforcement and reconstruction structure of suspension bridge |
| CN106958189A (en) * | 2017-04-07 | 2017-07-18 | 中交第二公路勘察设计研究院有限公司 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
| CN207700029U (en) * | 2017-12-22 | 2018-08-07 | 招商局重庆交通科研设计院有限公司 | Part earth anchor oblique pull-suspension cable co-operative system bridge |
-
2017
- 2017-12-22 CN CN201711406724.6A patent/CN108103921A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE936144C (en) * | 1949-02-26 | 1955-12-07 | Demag Ag | Suspension bridges, in particular railway bridges, with stiffening beams and main cables |
| CH281356A (en) * | 1949-04-27 | 1952-03-15 | Dyckerhoff & Widmann Ag | Suspension bridge for heavy traffic loads. |
| FR2741896A1 (en) * | 1995-12-04 | 1997-06-06 | Freyssinet Int Stup | IMPROVEMENTS TO PROCESSES FOR REHABILITATING SUSPENDED BRIDGES AND TO BRIDGES THUS REHABILITED |
| WO1997020989A1 (en) * | 1995-12-04 | 1997-06-12 | Freyssinet International (Stup) | Improvements to methods for rehabilitating suspension bridges, and to bridges thereby rehabilitated |
| WO2005035875A1 (en) * | 2003-10-14 | 2005-04-21 | Aas-Jakobsen As | Bridge structure comprising tower, bridge beam, main/suspension cable, suspending bars, and diagonal cable-stays |
| CN101736685A (en) * | 2009-11-27 | 2010-06-16 | 大连理工大学 | Ground-anchored-self-anchored suspension combined system bridge |
| CN202450450U (en) * | 2012-02-17 | 2012-09-26 | 中交第一公路勘察设计研究院有限公司 | Reinforcement and reconstruction structure of suspension bridge |
| CN106958189A (en) * | 2017-04-07 | 2017-07-18 | 中交第二公路勘察设计研究院有限公司 | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans |
| CN207700029U (en) * | 2017-12-22 | 2018-08-07 | 招商局重庆交通科研设计院有限公司 | Part earth anchor oblique pull-suspension cable co-operative system bridge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109371805A (en) * | 2018-11-14 | 2019-02-22 | 西南交通大学 | A kind of large span multitower cable-cabin structure bridge and its construction method |
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Application publication date: 20180601 |