CN109024231A - A kind of curve tower abnormity Cable-Stayed Bridge Structure - Google Patents
A kind of curve tower abnormity Cable-Stayed Bridge Structure Download PDFInfo
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- CN109024231A CN109024231A CN201810782146.4A CN201810782146A CN109024231A CN 109024231 A CN109024231 A CN 109024231A CN 201810782146 A CN201810782146 A CN 201810782146A CN 109024231 A CN109024231 A CN 109024231A
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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
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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Abstract
The invention discloses a kind of curve tower abnormity Cable-Stayed Bridge Structures, and wherein cable-stayed bridge includes girder, king-tower, suspension cable and battered leg, and girder includes end bay beam and main span beam, and end bay beam uses concrete box girder, and main span beam uses steel box-girder；King-tower is set to off in symmetrical two limb of bridge symmetrical centre, and every limb king-tower respectively includes upper king-post strut and lower king-post strut, and in vertical bridge to towards main span lateral bend, direction across bridge is bent king-tower towards bridge symmetrical center line；Upper king-post strut uses steel construction, and lower king-post strut uses concrete structure；The bottom end of lower king-post strut and cushion cap are rigidly connected；Suspension cable includes end bay suspension cable, main span suspension cable；Battered leg includes with symmetrical two limb of bridge symmetrical centre, and the lower end of each limb battered leg and cushion cap are rigidly connected, and upper end and girder are integrated by concreting.The present invention shares bearing capacity using battered leg and girder consolidation, while abutment pier, cushion cap can also improve load-carrying ability, and structural system is reasonable, easy for construction, good economy performance.
Description
Technical field
The present invention relates to cable-stayed bridge fields, and in particular to a kind of curve tower abnormity Cable-Stayed Bridge Structure.
Background technique
With rapid economic development, requirement of the people to bridge is continuously improved, and is promoted from simple communication function to scape
In sight demand, a graceful bridge can undoubtedly greatly improve the view in city.Cable-stayed bridge span ability is big, and light structure is excellent
Beauty, moulding is in different poses and with different expressions, and tower, rope, beam combination multiplicity provide wide variation space for the design of design, be adapted to more
Kind different requirement and bridge site natural conditions, therefore have been more and more widely used.
Cable-stayed bridge is mainly made of king-tower, suspension cable, girder.King-tower is mainly reinforced concrete structure, also has part tiltedly
Bridge is drawn to use head tower.Suspension cable is mainly two kinds of patterns of parallel steel wire and steel strand wires.Girder mainly uses prestressed concrete knot
Structure, bondbeam and steel box girder.
Main supporting member and most outstanding structure of the bridge tower as cable-stayed bridge, therefore on the basis for meeting structure stress
On, moulding becomes the emphasis of full-bridge landscape design.To realize better landscape effect, the common structural system of cable-stayed bridge at present
It include: float system, half floating system, tower beam consolidation system, rigid structure system.
Structure for king-tower is not the occasion of conventional shape, and the above system is less applicable in, is embodied in:
(1) it determines that this bridge king-tower is tilted a certain angle to korneforos from Bridge Landscape moulding, is transmitted to the huge of king-tower in suspension cable
Under big vertical force effect, king-tower will generate the huge moment of flexure to river, and end bay skew back drag-line to be leaned on to provide additional horizontal force
This moment of flexure is balanced, king-tower two sides girder horizontal force is unbalanced, therefore can not use floating system and half floating system.If
Using support system, since support bears to need special facture with the comparable horizontal force of vertical force, support, improve engineering at king-tower
Cost, and the support is easy fatigue rupture under live loading, later period replacing time is extremely difficult, therefore this bridge is not appropriate for adopting
Use support system.
(2) tower beam consolidation system, rigidity is smaller, and amount of deflection is larger, and driving comfort level is poor, and superstructure total weight is equal
Bridge pier is passed to by support, it is desirable that the support of huge tonnage improves project cost, and bearing replacement is extremely difficult, therefore tower beam
Consolidation system is not appropriate for the king-tower of this occasion.
(3) rigid structure system, pier, tower, beam consolidation, with the rigidity of structure is big, girder and king-post amount of deflection are small, it is larger to avoid being arranged
The advantages that tonnage support, but since this bridge king-tower lower king-post strut sectional dimension is larger, bridge floor is wider, and lower king-post strut lateral stiffness is too big,
It is unable to satisfy force request.
In view of this, being badly in need of improving the structure of existing curve pylon cable-stayed bridge, to facilitate construction, bridge is improved
The reasonability and intensity of system.
Summary of the invention
Have the technical problem to be solved by the present invention is to the structure of existing Curved Stayed-cable Bridge be not easy to construct, structural system
The problem of reasonability is short of.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that providing a kind of curve tower abnormity cable-stayed bridge
Structure, comprising:
Girder, including end bay beam and main span beam, the length of end bay beam are less than main span beam, and end bay beam uses concrete box girder,
Main span beam uses steel box-girder, and the both ends of end bay beam are placed on abutment pier；
King-tower is arranged between the end bay beam and the main span beam, and is set to off symmetrical in bridge symmetrical center line
Two limbs being arranged, king-tower described in every limb respectively include upper king-post strut and lower king-post strut, the king-tower in vertical bridge to towards main span lateral bend, it is horizontal
Bridge is bent to towards bridge symmetrical center line；The upper king-post strut uses steel construction, and lower king-post strut uses concrete structure, the upper king-post strut
It is connected between the lower king-post strut by toughened internal stress integral；The bottom end of the lower king-post strut and cushion cap are rigidly connected；
Suspension cable connects the end bay beam, the main span beam and the end bay suspension cable of the king-tower, master including being respectively used to
Across suspension cable；
Battered leg, including with symmetrically arranged two limb of bridge symmetrical center line, the lower end of battered leg described in each limb and cushion cap rigidity
Connection, upper end are integrated with the girder by concreting, and auxiliary pier is equipped between the abutment pier and the battered leg.
In another preferred embodiment, the central axes of the king-tower vertical bridge to the projection with direction across bridge be song
Line is spliced by a circular curve or by a plurality of circular curve is tangent, the formula of the circular curve are as follows:
Vertical bridge is to (X-AZ1)2+(Z-BZ1)2=RZ1 2；……；(X-AZi)2+(Z-BZi)2=RZi 2；
Direction across bridge: (Y-AH1)2+(Z-BH1)2=RH1 2；……；(Y-AHi)2+(Z-BHi)2=RHi 2；
Wherein: X is the vertical bridge of king-post to coordinate；Y is the direction across bridge coordinate of king-post；Z is the vertical coordinate of king-post；
(AZ1, BZ1)、……、(AZi, BZi) it is that king-tower indulges central coordinate of circle of the bridge to the 1~i articles circular curve of projection；
RZ1、……、RZiRadius of the bridge to the 1~i articles circular curve of projection is indulged for king-tower；
(AH1, BH1)、……、(AHi, BHi) it is the central coordinate of circle that king-tower direction across bridge projects the 1~i articles circular curve；
RH1、……、RHiThe radius of the 1~i articles circular curve is projected for king-tower direction across bridge.
In another preferred embodiment, the end bay suspension cable and the main span suspension cable are constituted by 15 Duis,
The central axes of the battered leg are in vertical bridge to the straight line that is projected as with direction across bridge, the formula of the straight line are as follows:
Vertical bridge is to z=kz·x；Direction across bridge: z=kh·y；
Wherein: x is the vertical bridge of battered leg to coordinate；Y is the direction across bridge coordinate of battered leg；Z is the vertical coordinate of battered leg；kz、khPoint
Bridge Wei not indulged to the linear function proportionality coefficient with direction across bridge.
In another preferred embodiment, the cross section of the king-tower and the battered leg is octagonal cross-section, in square
Four sides of tee section are respectively arranged chamfering and are formed.
In another preferred embodiment, the vertical bridge of the upper king-post strut is on section, top width d1, bottom width is
d2；On direction across bridge section, top width m1, bottom width is m2, d1≤d2、m1≤m2, and the king-tower is in vertical, horizontal section
Width is each along central axes uniform smooth variation from the bottom to top.
In another preferred embodiment, the top of two upper king-post struts is connected by the stull of multiple tracks circle.
In another preferred embodiment, central anticollision barrier is set on the girder and is successively set on the center
The car lane of anticollision barrier two sides, non-motorized lane, pavement constitute two-way mixed trade；The non-motorized lane and described
Anchor cable area for fixing the suspension cable is set between car lane.
In another preferred embodiment, the lower king-post strut is inwards gradually widened along direction across bridge.
In another preferred embodiment, the inside of the king-tower is equipped with maintenance ladder access and operating platform, tower top are equipped with
Lightening protection installation.
In another preferred embodiment, the battered leg is prestressed reinforced concrete construction, using box-type section, the side
Bridge and the main span beam are all made of single box double room section.
Compared with prior art, the present invention is consolidated using battered leg and girder, and support is arranged at king-tower, auxiliary pier and abutment pier
Structural system and king-tower, girder are all made of the form of steel reinforced concrete combination, reduce the temperature effect of lower king-post strut, reduce bridge tower
With basic scale, project cost is saved, there is landscape beautiful design, structural system is reasonable, and easy for construction, good economy performance etc. is excellent
Point.
Detailed description of the invention
Fig. 1 is structure rough package drawing provided in an embodiment of the present invention；
Fig. 2 is structural system schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of battered leg provided in an embodiment of the present invention and girder consolidation；
Fig. 4 be king-tower provided in an embodiment of the present invention and battered leg vertical bridge to perspective view；
Fig. 5 is perspective view of the king-tower provided in an embodiment of the present invention in direction across bridge；
Fig. 6 is the schematic cross-sectional view of end bay beam provided in an embodiment of the present invention；
Fig. 7 is the schematic cross-sectional view of main span beam provided in an embodiment of the present invention；
Fig. 8 is the schematic cross-sectional view of upper king-post strut provided in an embodiment of the present invention；
Fig. 9 is the schematic cross-sectional view of lower king-post strut provided in an embodiment of the present invention；
Figure 10 is the schematic cross-sectional view of battered leg provided in an embodiment of the present invention.
Specific embodiment
The present invention provides a kind of curve tower abnormity Cable-Stayed Bridge Structures, and structural system is reasonable, easy for construction, good economy performance.
The present invention is described in detail with specific embodiment with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of curve tower abnormity Cable-Stayed Bridge Structure provided by the invention, including girder 1, king-tower 2, suspension cable
10 and battered leg 3.Crane shape king-tower, it is curve that bridge tower, which indulges bridge to, direction across bridge, and shaped form bridge tower rolls tiltedly to the middle of the river, modern design
Uniqueness is full of tension, realizes the unification of static beauty and dynamic beauty.
Girder 1 includes end bay beam 6 and main span beam 7, and the length of end bay beam 6 is less than main span beam 7, and end bay beam 6 uses concrete
Box beam, main span beam 7 use steel box-girder, using mixing girder construction.The both ends of end bay beam 6 are placed on abutment pier 5.
As shown in Figure 4 and Figure 5, king-tower 2 is arranged between end bay beam 6 and main span beam 7, and is set to off in bridge is symmetrical
Symmetrically arranged two limb of heart line, every limb king-tower 2 respectively include upper king-post strut 8 and lower king-post strut 9.King-tower 2 is shaped form bridge tower, king-tower 2
In vertical bridge to towards main span lateral bend, direction across bridge is bent towards bridge symmetrical center line.Upper king-post strut 8 uses steel construction, and lower king-post strut 9 uses
Concrete structure connects integral, the use steel reinforced concrete combination knot of king-tower 2 by toughened internal stress between upper king-post strut 8 and lower king-post strut 9
Structure, to meet the even transition of king-post rigidity and be reliably connected.The bottom end of lower king-post strut 9 and cushion cap 11 are rigidly connected.
Suspension cable 10 includes end bay suspension cable 10, the main span oblique pull for being respectively used to connection end bay beam 6, main span beam 7 and king-tower 2
Rope 10.
As shown in figure 3, battered leg 3 include with symmetrically arranged two limb of bridge symmetrical center line, the lower end of each limb battered leg 3 with hold
Platform 11 is rigidly connected, and upper end is integrated with the girder 1 by concreting, and auxiliary is equipped between end bay abutment pier 5 and battered leg 3
Pier 4.It is lateral stressed to meet the requirements since the section of battered leg 3 and lateral stiffness are relatively small, and top knot is transmitted by battered leg 3
Structure imbalance horizontal force realizes balance at the top surface of cushion cap 11.Auxiliary pier 4 reduces and becomes to provide effectively support to cable-stayed bridge
Shape improves structure overall stiffness.
It should be noted that for this bridge structure arrangement for, due to this bridge king-tower 2 vertical bridge to, direction across bridge two
Direction is bent inclination, and to meet stress needs, the sectional dimension of lower king-post strut 9 need to be designed larger.If taking rigid structure system, i.e.,
Bridge pier, king-tower 2, girder 1 consolidate, then since 9 lateral stiffness of lower king-post strut is too big, crossbeam transverse prestress and temperature etc. at consolidation
Under effect, lower king-post strut 9 will generate huge redundant force, be unable to satisfy force request.Therefore, the present invention uses battered leg 3 and girder 1
Consolidation shares bearing capacity, while abutment pier 5, cushion cap 11 can also improve load-carrying ability, easy for construction, good economy performance.
The central axes of king-tower 2 vertical bridge to the projection with direction across bridge be curve, it is bent by a circular curve or by a plurality of circle
Line is tangent to be spliced, the formula of circular curve are as follows:
Vertical bridge is to (X-AZ1)2+(Z-BZ1)2=RZ1 2；……；(X-AZi)2+(Z-BZi)2=RZi 2；
Direction across bridge: (Y-AH1)2+(Z-BH1)2=RH1 2；……；(Y-AHi)2+(Z-BHi)2=RHi 2；
Wherein: X is the vertical bridge of king-post to coordinate；Y is the direction across bridge coordinate of king-post；Z is the vertical coordinate of king-post；
(AZ1, BZ1)、……、(AZi, BZi) it is that king-tower 2 indulges central coordinate of circle of the bridge to the 1~i articles circular curve of projection；
RZ1、……、RZiRadius of the bridge to the 1~i articles circular curve of projection is indulged for king-tower 2；
(AH1, BH1)、……、(AHi, BHi) it is the central coordinate of circle that 2 direction across bridge of king-tower projects the 1~i articles circular curve；
RH1、……、RHiThe radius of the 1~i articles circular curve is projected for 2 direction across bridge of king-tower.
It can be calculated according to the data under specific occasion, the data in the present embodiment are as follows:
Vertical bridge is to (X+182.7036139)2+(Z-41.2956225)2=1902；
Direction across bridge: (Y-203.500)2+Z2=2002
(Y-741.8190852)2+(Z+112.750)2=7502
Wherein: X is the vertical bridge of king-post to coordinate；Y is the direction across bridge coordinate of king-post；Z is the vertical coordinate of king-post；X,Y,Z
Unit is in meters；
(- 182.7036139,41.2956225) bridge is indulged to the central coordinate of circle of projection circular curve for king-post, unit is in meters；
It is 190m that king-post, which indulges bridge to circular curve radius is projected,；
(203.500,0), (741.8190852, -112.750) are the center of circle that king-post direction across bridge projects the 1st, 2 article of circular curve
Coordinate, unit is in meters；It is respectively 200m and 750m that king-post direction across bridge, which projects the 1st, 2 article of circular curve radius,.
Preferably, end bay suspension cable 10 and main span suspension cable 10 are constituted by 15 Duis, the central axes of battered leg 3 vertical bridge to
Direction across bridge is projected as straight line, the formula of straight line are as follows:
Vertical bridge is to z=kz·x；Direction across bridge: z=kh·y；
Vertical bridge specifically be may be configured as to z=15.95221x；Direction across bridge: z=5.0515339y；
Wherein: x is the vertical bridge of battered leg 3 to coordinate；Y is the direction across bridge coordinate of battered leg 3；Z be battered leg 3 vertical coordinate, x,
Y, z unit is in meters；kz、khBridge is respectively indulged to the linear function proportionality coefficient with direction across bridge.
Preferably, as shown in Figure 8,9, 10, the cross section of king-tower 2 and battered leg 3 is octagonal cross-section, in rectangular section
Four sides are respectively arranged chamfering and are formed, and king-tower and 3 chamfering of battered leg are all made of 0.5m × 0.5m.
Preferably, the vertical bridge of upper king-post strut 8 is on section, top width d1, bottom width is d2；On direction across bridge section, top
Width is m1, bottom width is m2, d1≤d2、m1≤m2, and king-tower 2 vertical, horizontal section width each along central axes by down toward
Upper uniform smooth variation.In the present embodiment, upper king-post strut 8 is by the uniform smooth variation of tower top 4m to tower bottom 7.5m.
Preferably, the top of two upper king-post struts 8 is connected by multiple tracks circle stull 12, and round stull 12 is conducive to improve master
The stability of tower.For auxiliary pier 4 to provide effectively support to cable-stayed bridge, Reducing distortion improves structure overall stiffness.The abutment pier of end bay
5 and auxiliary pier 4 at support is set, can improve bearing load, improve the stability of total system.
Preferably, be arranged on girder 1 central anticollision barrier and be successively set on central anticollision barrier two sides car lane,
Non-motorized lane, pavement constitute two-way mixed trade；It is arranged between non-motorized lane and car lane for fixing suspension cable 10
Anchor cable area.
As shown in Figure 10, battered leg 3 is prestressed reinforced concrete construction, using box-type section.As shown in Figure 6,7,6 He of end bay beam
Main span beam 7 is all made of single box double room section, the wide 36m of bridge floor, bridge floor arrangement are as follows: 2.5m (pavement)+3m (non-motorized lane)+1m
(rope anchoring area)+11.25 (car lane)+0.5m (central anticollision barrier)+11.25 (car lane)+1m (rope anchoring area)+3m is (non-
Car lane)+2.5m (pavement).
Preferably, lower king-post strut 9 is inwards gradually widened along direction across bridge, can be widened to 8m, to meet force request and king-tower 2
Locate 1 support of girder and places demand.Battered leg 3 is smoothly being justified with 9 junction of lower king-post strut along vertical bridge to outer profile setting rounded corners
Moisten transition.
Preferably, the inside of king-tower 2 is equipped with maintenance ladder access and operating platform, and tower top is equipped with lightening protection installation, facilitates and examined
It repairs, and adapts to storm wind thunderstorm weather.
The present invention also provides a kind of construction methods of the curve tower abnormity Cable-Stayed Bridge Structure of above structure, including following step
It is rapid:
It constructs for carrying basic and for fixing king-tower 2 11 basis of cushion cap of the abutment pier 5 of end bay beam 6；It simultaneously can also be into
The foundation construction of row auxiliary pier 4, since bridge is symmetrical structure, each brace foundation and cushion cap 11 are disposed as two groups；
The pier shaft of lower king-post strut 9, battered leg 3 and abutment pier 5 is poured, auxiliary pier 4 can carry out pouring construction together；
With 7 segment of main span beam at 6 segment of end bay beam of concreting and the consolidation of battered leg 3, king-tower 2,1 He of girder is completed
The consolidation of battered leg 3, while using assembly unit construction upper king-post strut 8；
It is segmented to pour remaining end bay beam 6；
After the completion of king-tower 2 and end bay beam 6 are constructed, cantilever lifting 7 segment of main span beam simultaneously hangs suspension cable 10, until maximum outstanding
Arm state；
The closure segment construction of main span beam 7 is carried out, main structure construction is completed；
Bridge floor and the construction of 2 accessory structure of king-tower are carried out, loading test is carried out, full-bridge is tentative to be open to traffic.
Construction method of the invention, easy for construction, the intensity of brace foundation is higher, and load-carrying ability is stronger, facilitates construction.
The invention is not limited to above-mentioned preferred forms, and anyone should learn that is made under the inspiration of the present invention
Structure change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of curve tower abnormity Cable-Stayed Bridge Structure characterized by comprising
Girder, including end bay beam and main span beam, the length of end bay beam are less than main span beam, and end bay beam uses concrete box girder, main span
Beam uses steel box-girder, and the both ends of end bay beam are placed on abutment pier；
King-tower is arranged between the end bay beam and the main span beam, and is set to off and is symmetrical arranged in bridge symmetrical center line
Two limbs, king-tower described in every limb respectively includes upper king-post strut and lower king-post strut, and the king-tower is in vertical bridge to towards main span lateral bend, direction across bridge
It is bent towards bridge symmetrical center line；The upper king-post strut uses steel construction, and lower king-post strut uses concrete structure, the upper king-post strut and institute
State between lower king-post strut connected by toughened internal stress it is integral；The bottom end of the lower king-post strut and cushion cap are rigidly connected；
Suspension cable is oblique including being respectively used to connect the end bay beam, the main span beam and the end bay suspension cable of the king-tower, main span
Drag-line；
Battered leg, including with symmetrically arranged two limb of bridge symmetrical center line, the lower end of battered leg described in each limb and cushion cap are rigidly connected,
Upper end is integrated with the girder by concreting, and auxiliary pier is equipped between the abutment pier and the battered leg.
2. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the central axes of the king-tower are vertical
Bridge is curve to the projection with direction across bridge, is spliced by a circular curve or by a plurality of circular curve is tangent, the circular curve
Formula are as follows:
Vertical bridge is to (X-AZ1)2+(Z-BZ1)2=RZ1 2；……；(X-AZi)2+(Z-BZi)2=RZi 2；
Direction across bridge: (Y-AH1)2+(Z-BH1)2=RH1 2；……；(Y-AHi)2+(Z-BHi)2=RHi 2；
Wherein: X is the vertical bridge of king-post to coordinate；Y is the direction across bridge coordinate of king-post；Z is the vertical coordinate of king-post；
(AZ1, BZ1)、……、(AZi, BZi) it is that king-tower indulges central coordinate of circle of the bridge to the 1~i articles circular curve of projection；RZ1、……、RZi
Radius of the bridge to the 1~i articles circular curve of projection is indulged for king-tower 2；
(AH1, BH1)、……、(AHi, BHi) it is the central coordinate of circle that king-tower direction across bridge projects the 1~i articles circular curve；RH1、……、RHi
The radius of the 1~i articles circular curve is projected for king-tower direction across bridge.
3. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the end bay suspension cable and described
Main span suspension cable is constituted by 15 Duis, the central axes of the battered leg in vertical bridge to the straight line that is projected as with direction across bridge, it is described straight
The formula of line are as follows:
Vertical bridge is to z=kz·x；Direction across bridge: z=kh·y；
Wherein: x is the vertical bridge of battered leg to coordinate；Y is the direction across bridge coordinate of battered leg；Z is the vertical coordinate of battered leg；kz、khRespectively
Bridge is indulged to the linear function proportionality coefficient with direction across bridge.
4. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the king-tower and the battered leg
Cross section is octagonal cross-section, is formed for chamfering is respectively arranged on four sides of rectangular section.
5. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the vertical bridge of the upper king-post strut to cut
On face, top width d1, bottom width is d2；On direction across bridge section, top width m1, bottom width is m2, d1≤d2、m1≤m2,
And the king-tower vertical, horizontal section width each along central axes uniform smooth variation from the bottom to top.
6. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the top of two upper king-post struts
It is connected by multiple tracks circle stull.
7. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that it is anti-that center is arranged on the girder
Car lane, the non-motorized lane, pavement for hitting guardrail and being successively set on the central anticollision barrier two sides are constituted two-way mixed
Trade；Anchor cable area for fixing the suspension cable is set between the non-motorized lane and the car lane.
8. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the lower king-post strut is along direction across bridge court
Inside is gradually widened.
9. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the inside of the king-tower is equipped with inspection
Ladder access and operating platform are repaired, tower top is equipped with lightening protection installation.
10. curve tower abnormity Cable-Stayed Bridge Structure according to claim 1, which is characterized in that the battered leg is mixed for prestressing force
Xtah Crude Clay structure, using box-type section, the end bay beam and the main span beam are all made of single box double room section.
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