CN208830124U - A kind of combined bridge structural system - Google Patents
A kind of combined bridge structural system Download PDFInfo
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- CN208830124U CN208830124U CN201821474015.1U CN201821474015U CN208830124U CN 208830124 U CN208830124 U CN 208830124U CN 201821474015 U CN201821474015 U CN 201821474015U CN 208830124 U CN208830124 U CN 208830124U
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- bridge deck
- spiral
- arch
- bridge
- hoist cable
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Abstract
The utility model discloses a kind of combined bridge structural systems, including bridge deck, spiral arch, hoist cable and suspension cable；Single spiral arch is longitudinally wound on outside bridge deck along bridge deck, and the spiral arch arch bottom below bridge deck is supported on pile foundation support table；Support is equipped at the side bottom of bridge deck, seat supports are in the support support being located on the inside of spiral arch；Hoist cable upper end is connected in the arch dome portions of the spiral above bridge deck, and lower end is then connected at the longitudinal central axis line of bridge deck；The corresponding spiral that is anchored at of suspension cable that bridge deck two sides are arranged in encircles upper and bridge deck end.The utility model is handsome in appearance, the driving visual field is good, easy for construction, overall structure safety and stability.
Description
Technical field
The utility model belongs to bridge structure technical field, and in particular to a kind of combined bridge structural system.
Background technique
Spiral arch bridge is a kind of novel space arch bridge, and external spiral arch bridge has Singapore's double helix bridge, which behaves
Row bridge, overall length 280m, two helical curves are mutually wound the main stress system of bridge span structure.
Domestic spiral arch bridge has Beijing San Shanqiao, which sets two-way 4 lane, and there are pavement, overall length 452m, three mountains in two sides
Bridge also uses double helix arch structure, and in top and bottom, cross support, bridge floor pass through high-strength steel cable to two spiral arches each other
It is suspended to bridge structure, the running surface that cable wire is constituted encloses the inner space of bridge.
Spiral arch bridge uses double helix arch structure not only novel appearance, beauty, but also is conducive to enhancing structure monolithic stability,
Guarantee bridge ultimate bearing and normal use requirement.However, double helix arch forms bridge deck to encircle and shrouds effect, influence to go
The vehicle visual field.In addition, the difficulty of construction for the Spatial Cable net system arranged on cross one another two double helix spaces arch and arch also compared with
Greatly, it is unfavorable for the practice of such bridge type.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of combined bridge structural system, to eliminate existing double spiral shells
Defect present in swing bridge, while having both the structural advantage of double helix arch.
In order to achieve the above objectives, the utility model provides the following technical solutions:
A kind of combined bridge structural system is overlapped on the bridge deck on abutment including both ends, further include spiral arch, hoist cable and
Suspension cable；Bridge deck includes stringer, crossbeam, floorings and the oblique beam being tiltedly located between stringer and crossbeam of orthogonal setting, crossbeam
Both ends set otic placode, are equipped with support at the bottom at oblique beam both ends；The linear sky to advance along bridge deck longitudinal spiral of spiral arch
Between ellipse, the major and minor axis of ellipse immobilizes, and spiral arch inside is equipped with support support；Single spiral arch is along bridge deck longitudinal direction
It is wound on outside bridge deck and spiral arch both ends is anchored on abutment, the spiral arch arch bottom below bridge deck is supported on pile foundation support table
On；Seat supports are in support support；Hoist cable upper end is connected in the arch dome portions of the spiral above bridge deck, and lower end is then connected
At the center of crossbeam；Be arranged in floorings two sides suspension cable pass through preformed hole on otic placode and it is corresponding be anchored at spiral arch it is upper and
The end of bridge deck.
Further, hoist cable includes straight hoist cable and oblique hoist cable, and straight hoist cable is connected to vertically between spiral arch and bridge deck, a plurality of
Oblique hoist cable is symmetricly set on straight hoist cable two sides.
Further, the angle α between oblique hoist cable and bridge deck vertical section meets 90 ° of 60 °≤α <, and oblique hoist cable and bridge deck are horizontal
Angle β between section meets 90 ° of 65 °≤β <.
Further, spiral arch is concrete filled steel tube, is circular including the beam that section is rectangular lattice and section
Tube body, round tube body packet is outside rectangular lattice beam.
Further, spiral arch by bridge deck be separated out in across with three unequal spans of end bay, wherein in be no more than across across footpath
150m, end bay span be in 0.75~0.85 times across span.
Further, bridge deck each side sets three suspension cables, and suspension cable sag ratio value is between 1/15~1/45.
Further, the oblique angles of oblique beam and floorings longitudinal axis are in 40 °~50 ° ranges.
The utility model has the beneficial effects that:
(1) handsome in appearance, spiral arch gentle curve matches with succinct bridge deck, and the crossbeam of bridge deck uses fish belly sill
Formula construction, collectively forms U-shaped component with two sides otic placode, bridge integral structural system is lightly beautiful.
(2) the driving visual field is good, is arranged on spiral arch using single cable plane, and the angle in oblique hoist cable and bridge cross section is not less than 65 °,
Two sides suspension cable height is relatively low, so that bridge floor driving is unobscured, nothing shrouds sense.
(3) easy for construction, Orthotropic Steel Bridge Deck, in length and breadth beam body system, spiral arch are steel prefabricated components, using segment
Assembling method construction, construction technology is mature, setting up speed, fast, construction quality is easy to guarantee.
(4) overall structure safety and stability, hoist cable, the suspension cable across otic placode at left and right sides of crossbeam and oblique beam both ends bottom
Support forms three layers of support to bridge deck, and structural strength, rigidity and stability can meet related specification requirement.
Detailed description of the invention
In order to keep the purpose of this utility model, technical scheme and beneficial effects clearer, the utility model provides as follows
Attached drawing is illustrated:
Fig. 1 is the main view of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the cross-section diagram of suspension cable and spiral arch cooperation；
Fig. 5 is the cross-section diagram of oblique hoist cable and spiral arch cooperation；
Fig. 6 is the cross-section diagram of straight hoist cable and spiral arch cooperation；
Fig. 7 is beam arrangement schematic diagram in length and breadth；
Fig. 8 is bridge deck cross-section diagram.
In figure, 1- spiral arch, the straight hoist cable of 2-, the oblique hoist cable of 3-, 4- suspension cable, 5- crossbeam, 6- stringer, 7- oblique beam, 8- bridge floor
Plate, 9- otic placode, 10- support, 11- support support, 12- pedestal, 13- pile foundation support table, 14- abutment, across 16- end bay in 15-.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
A kind of combined bridge structural system is overlapped on the bridge deck on abutment 14 including both ends, further includes spiral arch 1, hangs
Rope and suspension cable 4；Single spiral arch 1 is longitudinally wound on outside bridge deck along bridge deck and spiral is encircleed 1 both ends and is anchored on abutment 14, is located at
1 arch bottom of spiral arch below bridge deck is supported on pile foundation support table 13 by the pedestal 12 of bottom；At the side bottom of bridge deck
Equipped with support 10, support 10 is supported in the support support 11 of spiral arch inside；Hoist cable upper end is connected in positioned at bridge deck
The spiral of top encircles 1 dome portions, and lower end is then connected at the longitudinal central axis line of bridge deck；The suspension cable 4 of bridge deck two sides is set
Correspondence is anchored on spiral arch 1 and the end of bridge deck.In the structural system, single spiral arch 1 is longitudinally oblique along bridge deck
Bridge face, to bear superstructure perseverance, mobile load；And hoist cable is then the first layer support of bridge deck, suspension cable 4 is as bridge deck
Second layer support, support 10 is that the third layer of bridge deck supports, and the counter-force of each layer support is all undertaken by spiral arch 1, final to pass
It is handed to the pile foundation support table 13 of abutment 14, arch bottom stage seat 12 and its bottom.Three layers of support so that the intensity of the structural system, rigidity and
Stability is all satisfied related specification requirement.
In the structural system, the linear space ellipse line to advance along bridge deck longitudinal spiral of spiral arch 1, ellipse
Major and minor axis immobilizes, and ratio of semi-minor axis length is between 1.5~3.0.Spiral arch 1 is concrete filled steel tube, includes section
It is circular tube body 102 for the beam 101 of rectangular lattice and section, the round packet of tube body 102 is outside rectangular lattice beam 101.Spiral shell
It is located in the tube body of bridge deck absolute altitude or less segment in rotation arch 1 and is filled with slightly expanded concrete.The spiral encircles 1 both ends and is anchored at bridge
On platform 14, the pedestal 12 for encircleing bottom is supported on pile foundation support table 13, and mixed filled with microdilatancy in the tube body of segment below absolute altitude
Solidifying soil ensures that reliability of the spiral arch 1 as stress system so that the segment is practical to play bridge pier.It needs to illustrate
, the preferred stainless steel tube of tube body 102 herein.
In the structural system, bridge deck includes the stringer 6 of orthogonal setting and crossbeam 5 and is layered on stringer 6 and crossbeam 5
Floorings 8, between stringer 6 and crossbeam 5 also tiltedly be equipped with oblique beam 7.Specifically, floorings 8 are Orthotropic Steel Bridge Deck, crossbeam
5 be fish belly trabeation, and both ends are equipped with otic placode 9, and suspension cable 4 passes through the preformed hole on otic placode 9；And stringer 7 then uses inverted T shaped section
Face；For the oblique angles of oblique beam 7 and 8 longitudinal axis of floorings in 40 °~50 ° ranges, support 10 is arranged at 7 both ends of oblique beam
At bottom, 7 both ends bottom support bracket of oblique beam, 10 line is located at the vertical section of pile foundation support table 13 with 8 longitudinal axis intersection point of floorings
Near axial location, support 10 and the support support 11 of 1 inside of spiral arch are fixedly connected with, to ensure the uniformity and spiral of power distribution
Encircle the stability and reliability supported to bridge deck.
The structural system is encircleed by single spiral to match with succinct bridge deck, so that bridge integral structural system is light and handy
It is beautiful.Bridge deck and spiral arch are steel prefabricated components, and the construction of section assembling method can be used, and set up speed fastly and construction matter
Amount is easy to guarantee.
In the structural system, hoist cable includes straight hoist cable 2 and oblique hoist cable 3, and straight hoist cable 2 is connected to spiral arch 1 and bridge floor vertically
Between system, a plurality of oblique hoist cable 3 is symmetricly set on straight 2 two sides of hoist cable.Specifically, straight 2 upper end of hoist cable, which is connected in spiral, encircles 1 vault most
At high point, lower end is anchored at vertically at 5 center of crossbeam of bridge deck；And tiltedly hoist cable 3 is then distributed in straight hoist cable 2 in a certain range
Two sides, wherein 3 upper end of oblique hoist cable and spiral arch 1 dome portions (non-highest point) are connected, anchoring lower ends are at the crossbeam center of bridge deck
Place.Straight hoist cable 2 forms single Spatial Cable face with oblique hoist cable 3.To avoid the excessive longitudinal force of beam body system receiving in length and breadth, hoist cable and bridge floor
It is angle α satisfaction 60 °≤α < 90 ° of the angle of vertical section not less than 60 °, i.e., between oblique hoist cable 3 and bridge deck vertical section；To protect
The bridge up train visual field is demonstrate,proved, hoist cable and the angle in bridge deck cross section are not less than 65 °, i.e., between oblique hoist cable 3 and bridge deck cross section
Angle β meets 90 ° of 65 °≤β <.
Preferably, spiral arch 1 by bridge deck be separated out in across with three unequal spans of end bay, 16 span of end bay be in across 15 across
0.75~0.85 times of degree.
It is illustrated by taking a specific embodiment as an example below:
In the structural system, spiral arch 1 by bridge deck be separated out in across with three unequal spans of end bay, wherein in across 15 across footpaths
No more than 150m, 16 span of end bay be in 0.75~0.85 times across 15 spans.
Crossbeam 5 in bridge deck uses fish belly trabeation, longitudinal pitch 5m~8m, sets otic placode 8 at left and right sides of crossbeam 5,
Crossbeam 5 and otic placode 8 are connected by screw bolts and are formed U-shaped structure, keep bridge integral structural system lightly beautiful.Stringer 6 is using T
Type section, 2.0~3.0m of horizontal spacing, 6 height of stringer are 0.8~0.9 times of 5 height of crossbeam.Oblique cross in beam body system in length and breadth
Beam 7 and crossbeam 5 are contour.
Straight hoist cable 2 and oblique hoist cable 3 are set in 1 top a certain range of spiral arch, straight hoist cable 2 forms single Spatial Cable with oblique hoist cable 3
Face.
Bridge deck each side sets 3 suspension cables, and 4 one end of suspension cable is anchored on side spiral arch, and the other end is anchored in master
Beam end, suspension cable 4 use low sag ratio, and value is between 1/15~1/45；The height and tilt angle of otic placode 9 longitudinally become along bridge
Change to adapt to suspension cable 4 along the straight line line style of bridge longitudinal direction.
The oblique angles of oblique beam 7 and bridge longitudinal axis in bridge deck are in 40 °~50 ° ranges, 7 both ends bottom of oblique beam
10 line of support and bridge longitudinal axis intersection point are located near the vertical section axial location of pile foundation support table 13, adjacent pile foundation support table 13
The distance between vertical section axis is in bridge across 15 across footpaths, and girder support center and neighboring piles cushion cap 13 is vertical disconnected at abutment 14
The distance between face axis is 16 across footpath of bridge end bay.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (7)
1. a kind of combined bridge structural system, the bridge deck being overlapped on including both ends on abutment, it is characterised in that: further include spiral
Arch, hoist cable and suspension cable；Bridge deck includes the stringer of orthogonal setting, crossbeam, floorings and is tiltedly located at oblique between stringer and crossbeam
Crossbeam, crossbeam both ends set otic placode, are equipped with support at the bottom at oblique beam both ends；The linear of spiral arch is along bridge deck longitudinal spiral
The space ellipse line of advance, the major and minor axis of ellipse immobilize, and spiral arch inside is equipped with support support；Single spiral is encircleed along bridge
Face system is longitudinally wound on outside bridge deck and spiral arch both ends are anchored on abutment, and the spiral arch arch bottom below bridge deck is supported on
On pile foundation support table；Seat supports are in support support；Hoist cable upper end is connected in the arch dome portions of the spiral above bridge deck, under
End is then connected at the center of crossbeam；Preformed hole and correspondence of the suspension cable of floorings two sides on otic placode are set and are anchored at spiral shell
Upper and bridge deck end is encircleed in rotation.
2. combined bridge structural system according to claim 1, it is characterised in that: hoist cable includes straight hoist cable and oblique hoist cable,
Straight hoist cable is connected to vertically between spiral arch and bridge deck, and a plurality of oblique hoist cable is symmetricly set on straight hoist cable two sides.
3. combined bridge structural system according to claim 2, it is characterised in that: between oblique hoist cable and bridge deck vertical section
Angle α meets 90 ° of 60 °≤α <, and the angle β between oblique hoist cable and bridge deck cross section meets 90 ° of 65 °≤β <.
4. combined bridge structural system according to claim 1, it is characterised in that: spiral arch is concrete filled steel tube,
It is circular tube body including the beam that section is rectangular lattice and section, round tube body packet is outside rectangular lattice beam.
5. combined bridge structural system according to claim 4, it is characterised in that: spiral arch by bridge deck be separated out in across
With three unequal spans of end bay, wherein in across across footpath be no more than 150m, end bay span be in 0.75~0.85 times across span.
6. combined bridge structural system according to claim 5, it is characterised in that: bridge deck each side sets three and hangs
Rope, suspension cable sag ratio value is between 1/15~1/45.
7. combined bridge structural system according to claim 1, it is characterised in that: oblique beam and floorings longitudinal axis
Oblique angles are in 40 °~50 ° ranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474015.1U CN208830124U (en) | 2018-09-10 | 2018-09-10 | A kind of combined bridge structural system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821474015.1U CN208830124U (en) | 2018-09-10 | 2018-09-10 | A kind of combined bridge structural system |
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| Publication Number | Publication Date |
|---|---|
| CN208830124U true CN208830124U (en) | 2019-05-07 |
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ID=66312685
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821474015.1U Expired - Fee Related CN208830124U (en) | 2018-09-10 | 2018-09-10 | A kind of combined bridge structural system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024234A (en) * | 2018-09-10 | 2018-12-18 | 华东交通大学 | A kind of single-screw arch and suspension cable combined bridge structural system |
| CN111608069A (en) * | 2020-05-28 | 2020-09-01 | 江苏华通工程检测有限公司 | Concrete filled steel tube cable-stayed arched pedestrian landscape gallery bridge with saddle shell-shaped ceiling |
-
2018
- 2018-09-10 CN CN201821474015.1U patent/CN208830124U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024234A (en) * | 2018-09-10 | 2018-12-18 | 华东交通大学 | A kind of single-screw arch and suspension cable combined bridge structural system |
| CN109024234B (en) * | 2018-09-10 | 2020-06-30 | 华东交通大学 | Single spiral arch and suspension cable combined bridge structure system |
| CN111608069A (en) * | 2020-05-28 | 2020-09-01 | 江苏华通工程检测有限公司 | Concrete filled steel tube cable-stayed arched pedestrian landscape gallery bridge with saddle shell-shaped ceiling |
| CN111608069B (en) * | 2020-05-28 | 2021-08-17 | 江苏华通工程检测有限公司 | Concrete filled steel tube cable-stayed arched pedestrian landscape gallery bridge with saddle shell-shaped ceiling |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20190910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |