CN208995897U - Suspension cable overpass - Google Patents
Suspension cable overpass Download PDFInfo
- Publication number
- CN208995897U CN208995897U CN201821616215.6U CN201821616215U CN208995897U CN 208995897 U CN208995897 U CN 208995897U CN 201821616215 U CN201821616215 U CN 201821616215U CN 208995897 U CN208995897 U CN 208995897U
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- China
- Prior art keywords
- girder
- vertical web
- web member
- suspension cable
- diagonal web
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- 239000000725 suspension Substances 0.000 title claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 5
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of suspension cable overpasses, including girder, two frame-type Sarasotas and several main push-towing ropes, it further include 2 connection structures for being separately positioned on girder side, each connection structure includes setting parallel with girder and the top boom being located above girder, several vertical web rods and several sunpenders that are successively distributed on girder, the lower end of the vertical web rod is connected on girder, the upper end of vertical web rod is connected on top boom, and the lower end of the sunpender is fixed on girder after penetrating through the inside of vertical web rod, the upper end of sunpender is connected on main push-towing rope.The utility model is in a groove shape girder frame structure by the foot bridge for mainly girder, top boom, diagonal web member and vertical web rod being used to build, since the rigidity of flute profile girder truss is big, it is not susceptible to rock, it solves the problems, such as existing suspension cable overpass there are the vertical natural frequencies of vibration of single order low, Yi Yinqi mesomerism, and realize beam Suo Zuhe, couple hardness with softness and take into account landscape moulding and the requirement of the rigidity of structure.
Description
Technical field
The utility model relates to a kind of overpass, especially a kind of suspension cable overpass.
Background technique
Suspension bridge is the bridge of cable to bear pulling force or chain cable as main supporting member, by suspension cable, Sarasota, anchor
The part such as heavy stone used as an anchor, sunpender, bridge deck forms.Suspension bridge has shape is graceful, span ability is big etc. as a kind of flexible structural system
Advantage is widely used in highway and municipal garage bridge.But conventional Suspension bridge structure system has that rigidity is small, makees in load
Biggish amount of deflection and vibration (i.e. the natural frequency of vibration is low) defect are easy to produce under, therefore in actual application by biggish limit
System.For example, the vertical natural frequency of vibration of clear stipulaties bridge single order should be greater than in existing " the humanoid overline bridge in city and genuine technical specification "
The requirement of 3Hz, and the suspension bridge of existing conventional structure is relatively inaccessible to above-mentioned requirements in most cases.Therefore suspension bridge is usually by city
Village people's row Municipal Engineering Projects are kept outside of the door, it is difficult to be realized beam Suo Zuhe, be coupled hardness with softness, take into account landscape moulding and the rigidity of structure
It is required that.
In the prior art, such as the Chinese utility model patent of Publication No. CN203593948U discloses a kind of fluting purlin
It sets a roof beam in place suspension bridge flutter stability optimization component, which is that sealing groove plate is equidistantly provided with rectangular through-hole along longitudinal direction, the sealing groove plate
Two sides are connect with the floorings on central slot both sides respectively, and along bridge longitudinal direction, full-bridge is continuously arranged；It is horizontal in the top bracing of main couple
Central stabilizer is set among beam, and central stabilizer is vertically set on main couple center of inside, connects with main couple top bracing crossbeam
It connects, central stabilizer upper surface is concordant with main couple top bracing crossbeam upper limb, and placed consecutively lengthwise along bridge, arrangement length is whole
A main span zone length.The suspension bridge improves fluting girder truss suspension bridge by changing the air Characteristics of Flow Around of fluting girder truss
Flutter stability.But the problem of that there are still the single order natural frequencies of vibration is low for it, Yi Yinqi mesomerism, especially for entire suspension cable
Bridge appearance.
Utility model content
The goal of the invention of the utility model is, in view of the above-mentioned problems, provide a kind of structure it is simple, using it is safe, hard and soft simultaneously
The suspension cable overpass of Ji and monnolithic case structure beauty.
In order to achieve the above objectives, the technical scheme adopted by the utility model is
Suspension cable overpass, including girder, two frame-type Sarasotas and several main push-towing ropes, two frame-type Sarasotas are set respectively
It sets at end of the bridge end, the lower end of each frame-type Sarasota is equipped with cushion cap, and the cushion cap passes through the drilling being arranged in below cushion cap
Bored concrete pile is supported on the ground of end of the bridge, and the both ends of the girder are separately fixed on the cushion cap, the both ends point of the main push-towing rope
The upper end of frame-type Sarasota is not connected to by otic placode and is located at the top of girder side, further includes being separately positioned on girder side
2 connection structures, each connection structure include it is parallel with girder setting and be located at girder above top boom, successively interval point
Several piece vertical web rods and several piece sunpenders of the cloth on girder, the lower end of the vertical web rod is connected on girder, vertical web rod
Upper end is connected on top boom, and the lower end of the sunpender is fixed on girder after penetrating through the inside of vertical web rod, the upper end of sunpender
It is connected on main push-towing rope.
Preferably, the connection structure may also include n root diagonal web member, and each diagonal web member is connected to two-by-two
It is obliquely installed between two adjacent vertical web rods and in 45° angle, the integer of Wei≤10 n.
Preferably, the beginning as first diagonal web member of head end is connected on girder, first oblique abdomen
The end of bar is connect with the beginning of second diagonal web member, and the end of second diagonal web member is connect with the beginning of third root diagonal web member,
Remaining diagonal web member is successively attached with this, until the end of n-th diagonal web member as end is connected to and first
On the girder of diagonal web member opposite end, the junction of the corresponding two adjacent diagonal web members in wherein one end end of the vertical web rod
Intersect and is connected as one.
In above scheme, the vertical web rod is specially to be vertically connected between top boom and girder.
Preferably, linked network can be equipped on the surface of each connection structure, the linked network is mounted on
In the plane that girder, top boom and vertical web rod are constituted, to prevent falling and reducing wind load to bridge for pedestrian and large piece article
Beam action.
Preferably, it is welded with steel bridge deck on the girder, is equipped with waterproof in the top surface of steel bridge deck
Screed is equipped with Archaizing wood plank in the top surface of waterproof mortar course.
Due to the adoption of the above technical scheme, the utility model has the following beneficial effects:
1. the utility model is by mainly using the foot bridge built of girder, top boom, diagonal web member and vertical web rod
It is in a groove shape girder frame structure, since the rigidity of flute profile girder truss is big, is not susceptible to rock, existing suspension cable overpass is solved and deposits
The problem of the vertical natural frequency of vibration of single order is low, Yi Yinqi mesomerism.
It, can be to girder self weight, two 2. the utility model realizes the connection between girder and main push-towing rope by several sunpenders
Phase dead load and crowd's mobile load carry out secondary support and stress, play the stability for improving suspension cable overpass entirety.
3. suspension cable overpass structure realizes beam Suo Zuhe, couple hardness with softness and takes into account landscape moulding and the rigidity of structure
It is required that breaching the technical bottleneck of Mid and minor spans suspension cable foot bridge, beautiful design is provided for park and municipal landscape foot bridge
And the bridge alternatives of rugged construction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the A-A the schematic diagram of the section structure in Fig. 1.
Fig. 3 is the B-B the schematic diagram of the section structure in Fig. 2.
Fig. 4 is the cross-sectional cut-away structural schematic diagram of the girder.
In attached drawing, 1- frame-type Sarasota, 2- cushion cap, 3- otic placode, 4- sunpender, 5- girder, 6- top boom, 7- vertical web rod, 8-
Diagonal web member, 9- linked network, 10- main push-towing rope, 11- cast-in-situ bored pile, 12- steel bridge deck, 13- waterproof mortar course, 14- Archaizing wood plank.
Specific embodiment
Clear, complete description is carried out to the technical solution of the utility model below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.In addition, following institute
Technical characteristic involved in the utility model different embodiments of description as long as they do not conflict with each other can phase
Mutually combine.
The specific implementation of utility model is further illustrated below in conjunction with attached drawing.
As shown in Figure 1, Figure 2 and Figure 3, suspension cable overpass, including 5, two frame-type Sarasotas 1 of girder and several main push-towing ropes
10.Two frame-type Sarasotas 1 are separately positioned on end of the bridge end.The lower end of each frame-type Sarasota 1 is equipped with cushion cap 2.It is described to hold
Platform 2 passes through the cast-in-situ bored pile 11 being arranged in below cushion cap 2 and is supported on the ground of end of the bridge.The both ends of the girder 5 are solid respectively
It is scheduled on the cushion cap 2.The both ends of the main push-towing rope 10 pass through otic placode 3 respectively and are connected to the upper end of frame-type Sarasota 1 and are located at master
The top of 5 side of beam.The quantity of the main push-towing rope 10 should be greater than or equal to 2.
It further include 2 connection structures for being separately positioned on 5 side of girder.Each connection structure includes sets parallel with girder 5
Set and be located at the top boom 6 of 5 top of girder, several vertical web rods 7 and several sunpenders being successively distributed on girder 5
4.The quantity of the vertical web rod 7 and sunpender 4 is selected according to the across footpath of overpass and connection demand for security.The straight abdomen
The lower end of bar 7 is connected on girder 5, the upper end of vertical web rod 7 is connected on top boom 6.In the present embodiment, the vertical web rod 7 is
It is vertically connected between top boom 6 and girder 5.The lower end of the sunpender 4 is fixed on girder 5 after penetrating through the inside of vertical web rod 7
Upper, sunpender 4 upper end is connected on main push-towing rope 10.The steel pipe of inner hollow or internal run-through, which can be selected, in the vertical web rod 7 has than hanging
The solid metal pipe of the slightly larger through-hole of the bar diameter of bar 4.
It is equipped with linked network 9 on the surface of each connection structure, the linked network 9 is mounted on girder 5, top boom 6 and straight
In the plane that web member 7 is constituted, to prevent falling and reducing wind load to bridge beam action for pedestrian and large piece article.
The connection structure further includes n root diagonal web member 8, and each diagonal web member 8 is connected to two adjacent two-by-two vertical web rods 7
Between and be obliquely installed in 45° angle, the integer of Wei≤10 n.The quantity of the diagonal web member 8 can be according to the across footpath and knot of overpass
The needs of structure rigidity are selected.
The specific connection structure of the brace is used as the beginning of first diagonal web member 8 of head end to be connected to master as shown in Figure 1:
On beam 5, the end of first diagonal web member 8 is connect with the beginning of second diagonal web member 8, the end of second diagonal web member 8 and third
The beginning of root diagonal web member 8 connects, and is successively attached remaining diagonal web member 8 with this, until n-th diagonal web member as end
8 end be connected to on the girder 5 of first 8 opposite end of diagonal web member.Wherein one end end of the vertical web rod 7 is corresponding
Intersect and be connected as one in the junction of two adjacent diagonal web members 8.N root diagonal web member 8 obtains a company in this way after being sequentially connected
Continuous wavy shaped configuration, and the position of each wave crest or trough is then the junction of two adjacent diagonal web members 8 and is connecting
Place's correspondence is connect with one end of vertical web rod 7.It is designed in this way, the vertical rigidity of Suspension bridge structure can be improved.
As shown in Figure 4.It is welded with steel bridge deck 12 on the girder 5, is equipped with Waterproof sand in the top surface of steel bridge deck 12
Pulp layer 13 is equipped with Archaizing wood plank 14 in the top surface of waterproof mortar course 13.In the present embodiment, the Archaizing wood plank 14 with a thickness of
4cm, waterproof mortar course 13 be 3cm, steel bridge deck 12 with a thickness of 1.2cm.Certainly, other thickness also may be selected according to actual needs
Degree, thickness illustrated above is only a kind of displaying of embodiment.
In the suspension cable overpass in use, if girder 5,2 place plane of cushion cap are higher than normal pavement surface,
Step can be built by the side of pulling in shore of the cushion cap 2 in every one end.
Above description is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
The patent claim of the utility model, the same changes or modifications completed under technical spirit suggested by all the utility model
Change, should belong to the covered the scope of the patents of the utility model.
Claims (6)
1. suspension cable overpass, including girder, two frame-type Sarasotas and several main push-towing ropes, two frame-type Sarasotas are respectively set
At end of the bridge end, the lower end of each frame-type Sarasota is equipped with cushion cap, and the cushion cap passes through the drilling being arranged in below cushion cap and fills
Note stake is supported on the ground of end of the bridge, and the both ends of the girder are separately fixed on the cushion cap, the both ends difference of the main push-towing rope
The upper end of frame-type Sarasota is connected to by otic placode and is located at the top of girder side, it is characterised in that: further includes being respectively set
2 connection structures in girder side, each connection structure include it is parallel with girder setting and be located at girder above top boom,
Several vertical web rods and several sunpenders, the lower end of the vertical web rod being successively distributed on girder are connected to girder
Upper, vertical web rod upper end is connected on top boom, the lower end of the sunpender is fixed on girder after penetrating through the inside of vertical web rod,
The upper end of sunpender is connected on main push-towing rope.
2. suspension cable overpass according to claim 1, it is characterised in that: the connection structure further includes n root diagonal web member,
Each diagonal web member is connected between two adjacent two-by-two vertical web rods and is arranged in 450 overturning angles, the integer of Wei≤10 n.
3. suspension cable overpass according to claim 2, it is characterised in that: the beginning of first diagonal web member as head end
Be connected on girder, the end of first diagonal web member is connect with the beginning of second diagonal web member, the end of second diagonal web member with
The beginning of third root diagonal web member connects, and is successively attached remaining diagonal web member with this, until n-th oblique abdomen as end
The end of bar be connected to on the girder of first diagonal web member opposite end, the corresponding phase in wherein one end end of the vertical web rod
Intersect and be connected as one in the junction of two adjacent diagonal web members.
4. suspension cable overpass according to claim 1, it is characterised in that: the vertical web rod be vertically connected on top boom with
Between girder.
5. suspension cable overpass according to claim 1, it is characterised in that: be all provided on the surface of each connection structure
There is a linked network, the linked network is mounted in the plane that girder, top boom and vertical web rod are constituted, to prevent pedestrian and large piece article
It falls and reduces wind load to bridge beam action.
6. suspension cable overpass according to claim 1, it is characterised in that: it is welded with steel bridge deck on the girder,
The top surface of steel bridge deck is equipped with waterproof mortar course, is equipped with Archaizing wood plank in the top surface of waterproof mortar course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616215.6U CN208995897U (en) | 2018-09-30 | 2018-09-30 | Suspension cable overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616215.6U CN208995897U (en) | 2018-09-30 | 2018-09-30 | Suspension cable overpass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995897U true CN208995897U (en) | 2019-06-18 |
Family
ID=66803113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616215.6U Expired - Fee Related CN208995897U (en) | 2018-09-30 | 2018-09-30 | Suspension cable overpass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208995897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709142A (en) * | 2020-12-24 | 2021-04-27 | 上海洪铺钢结构工程有限公司 | Steel structure bridge and production process thereof |
-
2018
- 2018-09-30 CN CN201821616215.6U patent/CN208995897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709142A (en) * | 2020-12-24 | 2021-04-27 | 上海洪铺钢结构工程有限公司 | Steel structure bridge and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |