CN209652742U - A kind of steel tank type girder stayed-cable bridge - Google Patents
A kind of steel tank type girder stayed-cable bridge Download PDFInfo
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- CN209652742U CN209652742U CN201920020719.XU CN201920020719U CN209652742U CN 209652742 U CN209652742 U CN 209652742U CN 201920020719 U CN201920020719 U CN 201920020719U CN 209652742 U CN209652742 U CN 209652742U
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Abstract
The utility model discloses a kind of steel tank type girder stayed-cable bridge, including bridge tower (1), beam portion, suspension cable (3), bridge pier (4), cushion cap and basis (5)；It is characterized by: the beam portion is steel trough girder (2), including two panels stringer (21), crossbeam (22), the bottom of stringer (21) described in two panels is connected by the crossbeam (22)；Railway is arranged in steel trough girder (2) intermediate groove, the bridge floor of crossbeam (22) upper surface is Orthotropic Steel Bridge Deck；The bridge tower (1) includes king-post (11) and bridge tower thwart beam (12), and the bridge tower thwart beam (12) is arranged between two king-posts (11)；The steel trough girder (2) is arranged on the bridge tower thwart beam (12), between two king-posts (11)；The anchoring of stringer (21) described in the lower end of the suspension cable (3) and two panels.Girder uses steel trough girder, and railway is arranged in beam body intermediate groove, effectively reduce track top to beam bottom height.
Description
Technical field
The utility model belongs to bridge field, and in particular to a kind of steel tank type girder stayed-cable bridge.
Background technique
General Railway Cable-stayed Bridge generallys use concrete box girder or steel box-girder, and the height on rail top to beam bottom is higher, when across
More existing road, headroom are restricted, and when Railway Design elevation is also restricted, general cable-stayed bridge is difficult to meet the requirements.
Utility model content
For at least one of prior art the above defects or improvement requirements, the utility model provides a kind of steel tank type
Girder stayed-cable bridge, girder use steel trough girder, and railway is arranged in beam body intermediate groove, effectively reduces track top and arrive beam bottom
Highly, when across existing road, headroom is restricted, and Railway Design elevation is also restricted, span of bridge is larger, the bridge
Type can be very good to adapt to this demand.
To achieve the above object, according to the one aspect of the utility model, a kind of steel tank type girder stayed-cable bridge is provided, including
Bridge tower, beam portion, suspension cable, bridge pier, cushion cap and basis；
The beam portion is steel trough girder, including two panels stringer, crossbeam, and the bottom of stringer described in two panels is connected by the crossbeam
It connects；Railway is arranged in the steel trough girder intermediate groove, the bridge floor of the beam surface upper is Orthotropic Steel Bridge Deck；
The bridge tower includes king-post and bridge tower thwart beam, and the bridge tower thwart beam is arranged between two king-posts；The steel
Trough girder is arranged on the bridge tower thwart beam, between two king-posts；
The anchoring of stringer described in the lower end of the suspension cable and two panels.
Preferably, the stringer is box structure, and including upper and lower two cabinets, between flat partition board, the oblique pull are set
Rope is protruded into the stringer and is anchored respectively with the flat partition board and top panel.
Preferably, the upper surface of described stringer cabinet plate, lower panel, side plate is equipped at intervals with more longitudinal ribs, upper and lower two casees
Longitudinal gap is provided with multiple partitions in vivo, and the longitudinal rib passes through the partition.
Preferably, the crossbeam of the steel trough girder is box structure, the lateral middle absolute altitude of floorings is higher compared with two sides,
It is skewed to both sides in centre.
Preferably, longitudinal gap is set between the floorings of the crossbeam of the steel trough girder, bottom plate and the side plate of the stringer
Multiple webs are equipped with, the lower section of the floorings, which at least corresponds to be horizontally arranged at interval at railway ballast, there are multiple V-type longitudinal ribs, described
V-type longitudinal rib passes through the web.
Preferably, the lateral form of the bridge tower is configured to, and the king-post includes upper king-post strut and lower king-post strut, the upper king-post strut
To fall Y shape, the bridge tower thwart beam of the lower king-post strut and top, the support base of lower section constitute inverted trapezoidal；The bridge tower thwart beam is located at
The joint of the upper king-post strut and lower king-post strut.
Preferably, the bridge is fixed on by multiple supports above the bridge tower thwart beam in the bottom of the steel trough girder
Tower, and the lateral wall of the steel trough girder is fixed on the bridge tower by the collateral seat on the inside of the upper king-post strut of Y shape.
Preferably, the upper king-post strut falls the node top king-post of Y shape and is configured to tower top anchor-hold area, including lateral left and right
Symmetrically arranged, up and down direction multiple anchor points.
Preferably, on cable-stayed bridge longitudinal direction, the average-size of the lower king-post strut is greater than the upper king-post strut, and it is described under
From top to bottom from the joint with the lower king-post strut, longitudinal size becomes larger king-post.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
1, the steel tank type girder stayed-cable bridge of the utility model, girder use steel trough girder, and railway is arranged in beam body intermediate groove
It is interior, track top is effectively reduced to the height of beam bottom, and when crossing over existing road, headroom is restricted, and Railway Design elevation
Also it is restricted, when span of bridge is larger, which can be very good to adapt to this demand.
2, the bridge type good economy performance, with good economic efficiency and social benefit are answered in conjunction with the popularization of concrete engineering environment
With having a good application prospect.
Detailed description of the invention
Fig. 1 is the facade arrangement schematic diagram of the steel tank type girder stayed-cable bridge of the utility model；
Fig. 2 is the bridge tower lateral arrangement schematic diagram of the steel tank type girder stayed-cable bridge of the utility model；
Fig. 3 is the steel trough girder lateral arrangement schematic diagram of the steel tank type girder stayed-cable bridge of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.With reference to embodiment to this
Utility model is further described.
As a kind of better embodiment of the utility model, as shown in Figure 1-3, the utility model provides a kind of steel tank type
Girder stayed-cable bridge, including bridge tower 1, beam portion, suspension cable 3, bridge pier 4, cushion cap and basis 5.
The beam portion is steel trough girder 2, including two panels stringer 21, crossbeam 22, and the bottom of stringer 21 described in two panels passes through institute
State the connection of crossbeam 22；Railway is arranged in 2 intermediate groove of steel trough girder, the bridge floor of 22 upper surface of crossbeam is orthogonal different
Property steel bridge deck.The anchoring of stringer 21 described in the lower end of the suspension cable 3 and two panels.
As shown in figure 3, the stringer 21 is box structure, and including upper and lower two cabinets, between flat partition board 211 is set,
The suspension cable 3 is protruded into the stringer 21 and is anchored respectively with the flat partition board 211 and top panel.Preferably, the stringer 21
The upper surface of cabinet plate, lower panel, side plate are equipped at intervals with more longitudinal ribs 212, and longitudinal gap is provided in upper and lower two cabinets
Multiple partitions 213, partition were equipped with welding hole, and the installation of partition and the installation of suspension cable should be staggered, avoid interfering with each other, described vertical
Rib 212 passes through the partition 213.
As shown in figure 3, the crossbeam 22 of the steel trough girder 2 is box structure, the lateral middle absolute altitudes of floorings 221 compared with
Two sides are higher, skewed to both sides in centre, and the gradient that the flat partition board 211 accepts 221 both sides of floorings continues to tilt down.
Preferably, longitudinal gap between the floorings 221 of the crossbeam 22 of the steel trough girder 2, bottom plate 222 and the side plate of the stringer 21
Be provided with multiple webs 223, the same face, which is horizontally arranged at interval, on the web 223 multiple vertical ribs, the web 223 with
The partition 213 is continuously arranged on same cross section；The lower section of the floorings 221 at least corresponds at railway ballast between transverse direction
Every being provided with multiple V-type longitudinal ribs 224, the V-type longitudinal rib 224 passes through the web 223.What the floorings 221 tilted down
Both sides outside is provided with drainage hole, bottom plate 222 corresponds to and is also provided with drainage hole, in upper and lower two drainage holes in the cabinet of the crossbeam 22
Between be equipped with drainage arrangement.
As shown in Figs. 1-2, the bridge tower 1 includes king-post 11 and bridge tower thwart beam 12, and the bridge tower thwart beam 12 is arranged at two
Between the king-post 11；The steel trough girder 2 is arranged on the bridge tower thwart beam 12, between two king-posts 11.The bridge
The lateral form of tower 1 is configured to, and the king-post 11 includes upper king-post strut 111 and lower king-post strut 112, and the upper king-post strut 111 is Y shape,
The lower king-post strut 112 constitutes inverted trapezoidal, the support base branch of the lower section with the bridge tower thwart beam 12 of top, the support base of lower section
It supports on the cushion cap and basis 5；The bridge tower thwart beam 12 is located at the joint of the upper king-post strut 111 and lower king-post strut 112.Institute
The bridge tower 1, and the steel tank are fixed on by multiple supports of 12 top of bridge tower thwart beam in the bottom for stating steel trough girder 2
The lateral wall of type beam 2 is fixed on the bridge tower 1 by the collateral seat of 111 inside of upper king-post strut of the Y shape.The upper king-post strut
The 111 node top king-posts for falling Y shape are configured to tower top anchor-hold area, including being laterally symmetrical set, up and down direction
Multiple anchor points, so as to form vertical double rope faces.
As shown in Figure 1, the average-size of the lower king-post strut 112 is greater than the upper king-post strut on cable-stayed bridge longitudinal direction
111, and the lower king-post strut 112 from the joint with the lower king-post strut 112 from top to bottom, longitudinal size becomes larger.
As shown in Figure 1, bridge pier 4 includes abutment pier 41 and auxiliary pier 42, it is all set on the cushion cap and basis 5, as before
The construction method of the steel tank type girder stayed-cable bridge, includes the following steps:
One, construction bearing platforms multiple first and basis 5；
Two, it then constructs respectively by design requirement bridge pier 4, bridge tower 1 on each cushion cap and basis 5；
Three, rack construction end bay beam section, free cantilever erection main span beam section, simultaneous tension correspond to the suspension cable of beam section, and main span turns
Body construction, beam portion closure；It is wherein carried out in the factory in advance as each beam section of the steel trough girder 2 of girder prefabricated, is hoisted to and applies
Complete welding in work scene；
Four, deck paving Cheng Qiao is finally carried out.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of steel tank type girder stayed-cable bridge, including bridge tower (1), beam portion, suspension cable (3), bridge pier (4), cushion cap and basis (5)；Its
It is characterized in that:
The beam portion is steel trough girder (2), including two panels stringer (21), crossbeam (22), and the bottom of stringer (21) described in two panels is logical
Cross the crossbeam (22) connection；Railway is arranged in the bridge of interior, described crossbeam (22) upper surface of steel trough girder (2) intermediate groove
Face is Orthotropic Steel Bridge Deck；
The bridge tower (1) includes king-post (11) and bridge tower thwart beam (12), and the bridge tower thwart beam (12) is arranged in two king-posts
(11) between；The steel trough girder (2) is arranged on the bridge tower thwart beam (12), between two king-posts (11)；
The anchoring of stringer (21) described in the lower end of the suspension cable (3) and two panels.
2. steel tank type girder stayed-cable bridge as described in claim 1, it is characterised in that:
The stringer (21) is box structure, and including upper and lower two cabinets, between flat partition board (211) are set, the suspension cable
(3) it protrudes into the stringer (21) and is anchored respectively with the flat partition board (211) and top panel.
3. steel tank type girder stayed-cable bridge as claimed in claim 2, it is characterised in that:
The upper surface of stringer (21) cabinet plate, lower panel, side plate are equipped at intervals with more longitudinal ribs (212), upper and lower two cabinets
Interior equal longitudinal gap is provided with multiple partitions (213), and the longitudinal rib (212) passes through the partition (213).
4. steel tank type girder stayed-cable bridge as described in claim 1, it is characterised in that:
The crossbeam (22) of the steel trough girder (2) is box structure, and the lateral middle absolute altitude of floorings (221) is more compared with two sides
It is high, skewed to both sides in centre.
5. steel tank type girder stayed-cable bridge as claimed in claim 4, it is characterised in that:
Between the floorings (221) of the crossbeam (22) of the steel trough girder (2), bottom plate (222) and the side plate of the stringer (21)
Longitudinal gap is provided with multiple webs (223), and the lower section of the floorings (221) at least corresponds to lateral separation at railway ballast and sets
Multiple V-type longitudinal ribs (224) are equipped with, the V-type longitudinal rib (224) passes through the web (223).
6. steel tank type girder stayed-cable bridge as described in claim 1, it is characterised in that:
The lateral form of the bridge tower (1) is configured to, and the king-post (11) includes upper king-post strut (111) and lower king-post strut (112), described
Upper king-post strut (111) is that Y shape, the lower king-post strut (112) constitute ladder with the bridge tower thwart beam (12) of top, the support base of lower section
Shape；The bridge tower thwart beam (12) is located at the joint of the upper king-post strut (111) and lower king-post strut (112).
7. steel tank type girder stayed-cable bridge as claimed in claim 6, it is characterised in that:
The bridge tower (1) is fixed on by multiple supports above the bridge tower thwart beam (12) in the bottom of the steel trough girder (2),
And the lateral wall of the steel trough girder (2) is fixed on the bridge by the collateral seat on the inside of the upper king-post strut (111) of Y shape
Tower (1).
8. steel tank type girder stayed-cable bridge as claimed in claim 7, it is characterised in that:
The upper king-post strut (111) falls the node top king-post of Y shape and is configured to tower top anchor-hold area, including laterally symmetrically sets
Multiple anchor points set, up and down direction.
9. steel tank type girder stayed-cable bridge as claimed in claim 8, it is characterised in that:
On cable-stayed bridge longitudinal direction, the average-size of the lower king-post strut (112) is greater than the upper king-post strut (111), and it is described under
From top to bottom from the joint with the lower king-post strut (112), longitudinal size becomes larger king-post (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920020719.XU CN209652742U (en) | 2019-01-07 | 2019-01-07 | A kind of steel tank type girder stayed-cable bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920020719.XU CN209652742U (en) | 2019-01-07 | 2019-01-07 | A kind of steel tank type girder stayed-cable bridge |
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| CN209652742U true CN209652742U (en) | 2019-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629394A (en) * | 2019-01-07 | 2019-04-16 | 中铁第四勘察设计院集团有限公司 | A kind of steel tank type girder stayed-cable bridge and its construction method |
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2019
- 2019-01-07 CN CN201920020719.XU patent/CN209652742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629394A (en) * | 2019-01-07 | 2019-04-16 | 中铁第四勘察设计院集团有限公司 | A kind of steel tank type girder stayed-cable bridge and its construction method |
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