CN204252001U - A kind of cable stayed bridge and Sarasota thereof - Google Patents
A kind of cable stayed bridge and Sarasota thereof Download PDFInfo
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- CN204252001U CN204252001U CN201420670720.4U CN201420670720U CN204252001U CN 204252001 U CN204252001 U CN 204252001U CN 201420670720 U CN201420670720 U CN 201420670720U CN 204252001 U CN204252001 U CN 204252001U
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- sarasota
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 238000010276 construction Methods 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of cable stayed bridge and Sarasota thereof.Wherein, this Sarasota comprises the steel arch tower that two at direction across bridge are semiellipse type, two arch springings of each described steel arch tower lay respectively at the tower seat place of the left and right sides of direction across bridge, the arch springing being positioned at two described steel arch towers of direction across bridge side is fixed on same tower seat place, and two described steel arch towers are arranged on the vertical bridge upwards both sides of line centered by the vertical curve residing for described tower seat.The invention also discloses a kind of cable stayed bridge being provided with this Sarasota.Above-mentioned Sarasota comprises two steel arch towers, by the problem adopting free cantilever erection constructure scheme effectively to solve construction period length.
Description
Technical field
The utility model relates to technical field of civil engineering, particularly a kind of Sarasota.In addition, the utility model also relates to a kind of cable stayed bridge with this Sarasota.
Background technology
Along with the fast development of China's economic construction, increasing cable stayed bridge is presented on masses at the moment.
We know, cable stayed bridge has the large feature of span ability, are the main bridge types of Longspan Bridge.In general, the main load bearing component of cable stayed bridge comprises suspension cable, Sarasota and girder; Sarasota is the turriform structure supporting oblique drag-line; The two ends of suspension cable are individually fixed in bridge floor and Sarasota place; Girder is positioned at the bottom of Sarasota.
Sometimes, Sarasota is not merely a pyramidal structure, but the general name formed by special Spatial Coupling by multiple arch tower.
For convenience of understand, the direction perpendicular to bridge axis is called direction across bridge by usually, level be called in the direction of bridge axis vertical bridge to.On direction across bridge, the direction across bridge external form of Sarasota and the relativeness of tower beam can be seen; At vertical bridge upwards, several suspension cable presents centered by Sarasota, to the shape of both sides bridge floor radiation.
At present, most domestic Cable-stayed Bridge Pylon adopts only pillar, A font or the form such as inverted Y-shaped, and most what adopt is that Reinforced Concrete Materials is made.
For above-mentioned form Sarasota and adopt Reinforced Concrete Materials, can cause undoubtedly Sarasota from great, moulding is single, and the construction period is longer, increase construction cost.
Therefore, it is long how to solve the Sarasota construction period, and from great, moulding is single is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of Sarasota, and this Sarasota modern design also solves construction period long problem; Another object of the present utility model is to provide a kind of cable stayed bridge comprising above-mentioned Sarasota.
For achieving the above object, the utility model provides a kind of Sarasota, comprise the steel arch tower that two at direction across bridge are semiellipse type, two arch springings of each described steel arch tower lay respectively at the tower seat place of the left and right sides of direction across bridge, the arch springing being positioned at two described steel arch towers of direction across bridge side is fixed on same tower seat place, and two described steel arch towers are arranged on the vertical bridge upwards both sides of line centered by the vertical curve residing for described tower seat.
Preferably, the shape and size of two described steel arch towers are all identical, and vertical bridge upwards two described steel arch towers be V-shape.
Preferably, between two described steel arch towers adopt be parallel to vertical bridge to and horizontally disposed longitudinal drag-line be connected.
Preferably, described longitudinal drag-line is 10, and arranged in parallel.
The utility model also provides a kind of cable stayed bridge, is provided with Sarasota, and described Sarasota is above-mentioned Sarasota described in any one.
Sarasota provided by the utility model, comprises the steel arch tower that two at direction across bridge are semiellipse type; Each steel arch tower has two arch springings, and two arch springings of each steel arch tower are positioned at the tower seat place of the left and right sides of direction across bridge respectively, the arch springing being positioned at two steel arch towers of direction across bridge the same side is fixed on same tower seat place, and two steel arch towers are arranged on the vertical bridge upwards both sides of line centered by the vertical curve residing for tower seat.That is, two arch springings of the same side of two steel arch towers are fixed on same tower seat place, and two steel arch towers have certain distance between all the other positions not comprising arch springing place.The benefit arranging Sarasota is like this, four arch springings due to two steel arch towers are actually and have been fixed on two tower seats, reduce construction sequence; Meanwhile, due to the steel work of arch tower completion of processing before transporting job site to, only need to carry out installation forming at the scene; This form of construction work is different from the form of construction work of reinforced concrete structure arch tower, also needs construction sequences such as stirring concrete at the construction field (site) and build; Therefore, adopt Sarasota provided by the utility model and Sarasota constructure scheme, effectively can reduce the construction period.
Accompanying drawing explanation
The vertical bridge of the Sarasota that Fig. 1 provides for the utility model embodiment to structural representation;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of the direction across bridge of Fig. 1;
Fig. 4 is the schematic diagram lifting single arch tower sections;
Fig. 5 is the first segment segment structure schematic diagram of arch tower;
Fig. 6 be the structure in the second sections of arch tower and Fig. 5 assembled after structural representation;
Fig. 7 be the structure in the 3rd sections of arch tower and Fig. 6 assembled after structural representation;
Fig. 8 be the structure in the 4th sections of arch tower and Fig. 7 assembled after structural representation;
Fig. 9 be the structure in the 5th sections of arch tower and Fig. 8 assembled after structural representation;
Figure 10 be the structure in the 6th sections of arch tower and Fig. 9 assembled after structural representation;
Figure 11 be the structure in the 7th sections of arch tower and Figure 10 assembled after structural representation;
Figure 12 be the structure in the 8th sections of arch tower and Figure 11 assembled after structural representation.
Detailed description of the invention
Core of the present utility model is to provide a kind of Sarasota, and this Sarasota has not only enriched Sarasota form, and can shorten the construction period; Another core of the present utility model is to provide a kind of cable stayed bridge comprising above-mentioned Sarasota.
In order to make those skilled in the art understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the vertical bridge of the Sarasota that Fig. 1 provides for the utility model embodiment to structural representation; Fig. 2 is the plan structure schematic diagram of Fig. 1; Fig. 3 is the structural representation of the direction across bridge of Fig. 1.
A kind of Sarasota that the utility model provides, comprises the steel arch tower that two at direction across bridge are semiellipse type, is respectively steel arch tower 10 and steel arch tower 20.Each steel arch tower has two arch springings respectively; Two arch springings of steel arch tower 10 lay respectively at the tower seat place of the left and right sides of direction across bridge, same, two arch springings of steel arch tower 20 lay respectively at the tower seat place of the left and right sides of direction across bridge, and be positioned at an arch springing of the steel arch tower 10 on direction across bridge the same side, be fixed on same tower seat with an arch springing of steel arch tower 20; Steel arch tower 10 and steel arch tower 20 are arranged on the vertical bridge upwards both sides of line centered by the vertical curve residing for tower seat.
That is, Sarasota comprises steel arch tower 10 and steel arch tower 20, and has altogether four arch springings, and is positioned at the same side of direction across bridge, and two arch springings belonging to different steel arch tower are fixed on same tower seat; , look up from vertical bridge, steel arch tower 10 and steel arch tower 20 are with the tower seat at arch springing place for initial point, and the both sides of line centered by the vertical curve being positioned at tower seat place place, away from the position at arch springing place, the horizontal range between steel arch tower 10 and steel arch tower 20 is larger meanwhile.
This setup is fixed on two tower seats by four arch springings of steel arch tower 10 and steel arch tower 20, have employed the main structure of arch tower as Sarasota of two steel work simultaneously, this scheme effectively can reduce construction sequence, save the time must carrying out stirring cast owing to adopting concrete structure at the construction field (site), but only need the construction that steel work combination can be completed arch tower.
Here, have employed the on all four steel arch tower 10 of shape and size and steel arch tower 20, and at vertical bridge upwards, by the both sides being arranged on line centered by the vertical curve residing for tower seat of steel arch tower 10 and steel arch tower 20 symmetry, make steel arch tower 10 and steel arch tower 20 in V-shape.
The benefit of this scheme is, look up from vertical bridge, steel arch tower 10 and steel arch tower 20 are symmetrical fixing, and because steel arch tower 10 is identical with the shape and size of steel arch tower 20, therefore, no matter vertical bridge to or direction across bridge, steel arch tower 10 and the stressed of steel arch tower 20 are on all four, both have evenly shared the longitudinal force and lateral force of bearing, and make the structure of Sarasota more reasonable.
In addition, we by between steel arch tower 10 and steel arch tower 20 adopt be parallel to vertical bridge to and horizontally disposed longitudinal drag-line 80 be connected, and be parallel to each other 10 longitudinal drag-lines 80 are set.
Here, in order to ensure that the relative position between steel arch tower 10 and steel arch tower 20 is fixed, thus have employed longitudinal drag-line 80 steel arch tower 10 and steel arch tower 20 are coupled together; And adopt be parallel to each other 10 longitudinal drag-lines 80 are set, being the uniform force in order to make the longitudinal drag-line 80 of every bar, adopting 10 longitudinal drag-lines 80 to be in order to larger pulling force can be born simultaneously.
Certainly, the number of longitudinal drag-line 80 herein can also have multiple choices, is not limited to 10 as herein described, as long as ensure longitudinal drag-line 80 with sufficient amount, can fix the relative position of two steel arch towers.
In addition, for the construction and installation of steel arch tower 10 and steel arch tower 20, crawler crane 30 is set respectively in the left and right sides of direction across bridge steel arch tower, steel arch tower is lifted.In this programme, steel arch tower 10 and steel arch tower 20 adopt 16 steel sections to carry out assembled respectively.8 steel sections of the side of each crawler crane 30 pairs of direction across bridge steel arch towers are installed; At this, only introduce the hoisting process of the crawler crane 30 on the left of direction across bridge steel arch tower herein.
Hoisting process schematic diagram is as shown in Fig. 4 to Figure 12.Wherein, Fig. 4 is the schematic diagram lifting single sections; Fig. 5 is the first segment segment structure schematic diagram of arch tower; Fig. 6 be the structure in the second sections of arch tower and Fig. 5 assembled after structural representation; Fig. 7 be the structure in the 3rd sections of arch tower and Fig. 6 assembled after structural representation; Fig. 8 be the structure in the 4th sections of arch tower and Fig. 7 assembled after structural representation; Fig. 9 be the structure in the 5th sections of arch tower and Fig. 8 assembled after structural representation; Figure 10 be the structure in the 6th sections of arch tower and Fig. 9 assembled after structural representation; Figure 11 be the structure in the 7th sections of arch tower and Figure 10 assembled after structural representation; Figure 12 be the structure in the 8th sections of arch tower and Figure 11 assembled after structural representation.
Steel arch tower sections shown in Fig. 4 is eight arch tower sections on the left of direction across bridge steel arch tower, and each sections of steel arch tower all lifted by crawler crane 30.
After the first sections of arch tower installs, utilize crawler crane 30 to be lifted on the first sections by the second sections, then by the 3rd segment lifting on the second sections, by that analogy, by 8 whole rigging outs of steel sections of direction across bridge steel arch tower side.At direction across bridge steel arch tower opposite side, lift in the same way, be finally formed in the steel arch tower that direction across bridge is semiellipse type.
In addition, in the process of construction, due to the assembling scheme that Sarasota adopts, respectively at steel arch tower 10 and steel arch tower 20 position near its semiellipse arc top separately, the horizontal drag-line 90 of the segmental arc connecting semiellipse arc top both sides is set all temporarily, and horizontal drag-line 90 is parallel to direction across bridge to be arranged, after Sarasota has been constructed, this horizontal drag-line 90 has needed to be removed.
Segmental arc in the technical program is positioned at the position of steel arch tower near its semiellipse arc top both sides, and horizontal drag-line 90 is just arranged on the segmental arc place of steel arch tower both sides; Such setting is in order in work progress, makes the top of steel arch tower 10 and steel arch tower 20 have good support, and the top of steel arch tower can be made to coordinate with other positions put in place, thus forms the complete and artistic steel arch tower of tool.
A kind of cable stayed bridge with the Sarasota be arranged on cable stayed bridge provided by the utility model, comprises the Sarasota described by above-mentioned specific embodiment; Other parts of cable stayed bridge with reference to prior art, no longer can be launched herein.
Above cable stayed bridge provided by the utility model and Sarasota thereof are described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (5)
1. a Sarasota, it is characterized in that, comprise the steel arch tower that two at direction across bridge are semiellipse type, two arch springings of each described steel arch tower lay respectively at the tower seat place of the left and right sides of direction across bridge, the arch springing being positioned at two described steel arch towers of direction across bridge side is fixed on same tower seat place, and two described steel arch towers are arranged on the vertical bridge upwards both sides of line centered by the vertical curve residing for described tower seat.
2. Sarasota according to claim 1, is characterized in that, the shape and size of two described steel arch towers are all identical, and vertical bridge upwards two described steel arch towers be V-shape.
3. Sarasota according to claim 2, is characterized in that, between two described steel arch towers adopt be parallel to vertical bridge to and horizontally disposed longitudinal drag-line be connected.
4. Sarasota according to claim 3, is characterized in that, described longitudinal drag-line is 10, and arranged in parallel.
5. a cable stayed bridge, is provided with Sarasota, it is characterized in that, the Sarasota of described Sarasota according to any one of the claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670720.4U CN204252001U (en) | 2014-11-07 | 2014-11-07 | A kind of cable stayed bridge and Sarasota thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670720.4U CN204252001U (en) | 2014-11-07 | 2014-11-07 | A kind of cable stayed bridge and Sarasota thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204252001U true CN204252001U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420670720.4U Expired - Lifetime CN204252001U (en) | 2014-11-07 | 2014-11-07 | A kind of cable stayed bridge and Sarasota thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702896A (en) * | 2016-12-01 | 2017-05-24 | 中铁大桥局集团有限公司 | Prestressed steel strands contained main tower and construction method thereof |
| CN111945569A (en) * | 2020-08-11 | 2020-11-17 | 中铁四局集团有限公司 | Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method |
| CN112281623A (en) * | 2020-10-30 | 2021-01-29 | 上海市政工程设计研究总院（集团）有限公司 | Longitudinal V-shaped cable tower cable-stayed bridge |
| CN115852806A (en) * | 2023-02-23 | 2023-03-28 | 鹏图建设有限公司 | Bridge structures that collapses is prevented in municipal administration |
-
2014
- 2014-11-07 CN CN201420670720.4U patent/CN204252001U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106702896A (en) * | 2016-12-01 | 2017-05-24 | 中铁大桥局集团有限公司 | Prestressed steel strands contained main tower and construction method thereof |
| CN111945569A (en) * | 2020-08-11 | 2020-11-17 | 中铁四局集团有限公司 | Small-angle inclined steel arch tower support-free in-situ assembly type asymmetric tensioning assembly construction method |
| CN112281623A (en) * | 2020-10-30 | 2021-01-29 | 上海市政工程设计研究总院（集团）有限公司 | Longitudinal V-shaped cable tower cable-stayed bridge |
| CN115852806A (en) * | 2023-02-23 | 2023-03-28 | 鹏图建设有限公司 | Bridge structures that collapses is prevented in municipal administration |
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