CN109306656A - A kind of pipeline suspension crossing structures under wind system - Google Patents
A kind of pipeline suspension crossing structures under wind system Download PDFInfo
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- CN109306656A CN109306656A CN201811308843.2A CN201811308843A CN109306656A CN 109306656 A CN109306656 A CN 109306656A CN 201811308843 A CN201811308843 A CN 201811308843A CN 109306656 A CN109306656 A CN 109306656A
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- 239000000725 suspension Substances 0.000 title claims abstract description 87
- 230000021615 conjugation Effects 0.000 claims abstract description 44
- 238000004873 anchoring Methods 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 11
- 239000004567 concrete Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E01D11/02—Suspension 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
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of pipeline suspension crossing structures under wind systems, it include: two horizontal wind resistance ropes, parabolically type is arranged in the horizontal direction, and concordant in the horizontal direction with pipeline suspension crossing bridge floor, and is separately positioned on the two sides of the pipeline suspension crossing bridge floor；It is conjugated rope, is arranged in vertical direction in reversed parabolic type, and the bottom of the pipeline suspension crossing bridge floor is set.In the one or both ends of the pipeline suspension crossing bridge floor, the horizontal wind resistance rope and main push-towing rope share anchoring pier；When the horizontal wind resistance rope and main push-towing rope share anchoring pier, in the two sides of the bridge pier, setting wind rope steering bracket realizes the steering of horizontal wind resistance rope, the present invention realizes pipeline suspension crossing structure and resists horizontal wind excitation and wind load lift and improve that structure is lateral and the purpose of vertical rigidity by the way that horizontal wind resistance rope and wind drag-line, vertical conjugation rope and conjugation Suo Lasuo is arranged.
Description
Technical field
The present invention relates to a kind of pipeline suspension crossing structures under wind systems, belong to oil-gas pipeline overhead crossing engineering design field.
Background technique
Pipeline suspension crossing engineering is long oil and gas pipeline across one of most common mode in river, and Cable-stayed has
There is the features such as span ability is strong, the rigidity of structure is small, damping is low, it is extremely sensitive to wind load, it is especially regional in valley river, by
The influence of ravine wind, wind induced structural vibration are one of the aspect that pipeline aerial crossing engineering is paid close attention to the most safely.In previous engineering design, generally
Using the biggish wind resistance cable system of angle with horizontal plane or the biggish bridge deck structure of rigidity is used, but is influenced by Valley,
Conventional wind resistance rope arrangement difficulty is very big, and is limited by the installation of wind resistance rope, cannot provide enough lateral and vertical rigidities, together
The biggish bridge deck structure bring engineering cost of Shi Gangdu is higher.
Summary of the invention
To solve the above problems, passing through the purpose of the present invention is to provide a kind of pipeline suspension crossing structures under wind system
Horizontal wind resistance rope and wind drag-line, vertical conjugation rope and conjugation Suo Lasuo are set, it is horizontal to realize the resistance of pipeline suspension crossing structure
Wind load and wind load lift and improve structure laterally and vertical rigidity purpose, be Valley under the conditions of, solution pipeline
Oil pipeline wind resistance safety problem provides a kind of new mode.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of pipeline suspension crossing structures under wind system, if there are two pipeline suspension crossing bridge tower, the pipeline suspension cable across
More bridge tower is fixed on bridge pier, and cushion cap is equipped with below the bridge pier；Two main push-towing ropes are each passed through two pipeline suspension crossing bridge towers
Top and in vertical direction, parabolically type is arranged, the lower sections of two main push-towing ropes passes through the main push-towing ropes of several parallel arrangements
Hoist cable has hung pipeline suspension crossing bridge floor；The pipeline suspension crossing structures under wind system further include:
Two horizontal wind resistance ropes, parabolically type is arranged in the horizontal direction, and exists with the pipeline suspension crossing bridge floor
It is concordant in horizontal direction, and it is separately positioned on the two sides of the pipeline suspension crossing bridge floor；Two horizontal wind resistance rope difference
The wind drag-line being arranged in parallel by several is connect with the pipeline suspension crossing bridge floor；
It is conjugated rope, is arranged in vertical direction in reversed parabolic type, and the bottom of the pipeline suspension crossing bridge floor is set
Portion；The conjugation Suo Lasuo that the conjugation rope is arranged in parallel by several is connect with the pipeline suspension crossing bridge floor；
In the one or both ends of the pipeline suspension crossing bridge floor, the horizontal wind resistance rope and main push-towing rope share anchoring pier；Institute
It states horizontal wind resistance rope and main push-towing rope shares when anchoring pier, setting wind rope steering bracket realizes horizontal wind resistance rope in the two sides of the bridge pier
Steering, the horizontal wind resistance rope is anchored at wind rope and main push-towing rope through wind rope steering bracket and shares on anchoring pier.
Further, the both ends of the pipeline suspension crossing bridge floor are arranged in main push-towing rope anchoring pier；Two main push-towing ropes are respectively equipped with
Corresponding main push-towing rope dorsal funciculus, the main push-towing rope dorsal funciculus are anchored on the main push-towing rope anchoring pier.
Further, one end of anchoring pier is not shared in the horizontal wind resistance rope and main push-towing rope, if there are two be arranged symmetrically
Horizontal wind resistance rope anchors pier, for anchoring horizontal wind resistance rope.
Further, due to gravity, the horizontal wind resistance rope angle with horizontal plane range is between 0.3o~1.5o.
Further, the bottom both ends of the pipeline suspension crossing bridge floor are respectively equipped with conjugation rope anchoring pier, for anchoring
It is conjugated rope.
Further, if the main push-towing rope, horizontal wind resistance rope, conjugation rope, main push-towing rope hoist cable, wind drag-line and conjugation Suo Lasuo by
Dry root steel wire composition, and at the main push-towing rope, horizontal wind resistance rope, conjugation rope, main push-towing rope hoist cable, wind drag-line and the both ends for being conjugated Suo Lasuo
It is respectively arranged with anchor head；The both ends anchor head of the main push-towing rope hoist cable, wind drag-line and conjugation Suo Lasuo is separately connected cord clip and fork ear, uses
In main push-towing rope, horizontal wind resistance rope or the connection for being conjugated rope and pipeline suspension crossing bridge floor, to realize the transmitting of power.
Further, the wind drag-line of several parallel arrangements is in the horizontal direction perpendicular to pipeline suspension crossing bridge floor
It is longitudinally disposed；The conjugation Suo Lasuo and main push-towing rope hoist cable of several parallel arrangements are in the vertical direction perpendicular to pipeline suspension cable
Across the longitudinally disposed of bridge floor.
Further, the wind rope steering bracket is arranged symmetrically centered on bridge pier, and perpendicular to the pipeline suspension cable across
More bridge floor is longitudinally disposed, and the both ends of the wind rope steering bracket are provided with otic placode structure, and the horizontal wind resistance rope passes through institute
State otic placode structure, for realizing horizontal wind resistance rope steering.
Further, the wind rope steering bracket includes top boom, lower boom and web member, and the top boom and lower boom are equal
The two sides of bridge pier are symmetrically anchored at by anchor slab and anchor bar, top boom, lower boom and the bridge pier of every side form right angle
Triangle, also equal arranged crosswise has several web members between the top boom and lower boom of every side, wherein the top boom hangs down
Directly in the longitudinally disposed of pipeline suspension crossing bridge floor, the top boom is fixed with the otic placode structure far from one end of bridge pier.
Further, the otic placode structure includes otic placode, and the otic placode is equipped with the hole passed through for horizontal wind resistance rope, described
Otic placode connects the top boom by connecting plate；It is additionally provided with several otic placode deep floors on the otic placode, the otic placode and upper
Connection reinforcement floor is additionally provided between chord member, the otic placode deep floor and connection reinforcement floor are each perpendicular to the connecting plate.
The invention has the benefit that
It is outstanding to realize pipeline by the way that horizontal wind resistance rope and wind drag-line, vertical conjugation rope and conjugation Suo Lasuo is arranged by the present invention
Rope Oil pipeline resists horizontal wind excitation and wind load lift and improves that structure is lateral and the purpose of vertical rigidity, for valley
Under the conditions of shape, solves aerial crossing pipeline structure wind resistance safety problem and provide a kind of new mode.
Meanwhile when orographic condition receives limitation, in the one or both ends of pipeline suspension crossing structure, by the way that wind rope is arranged
Steering bracket, the horizontal wind resistance rope and main push-towing rope can share anchoring pier, under conditions of being restricted for landform, solve pipeline aerial crossing
Structures under wind safety problem provides a kind of new mode.
Detailed description of the invention
Fig. 1 is pipeline suspension crossing structures under wind system main view of the present invention；
Fig. 2 is pipeline suspension crossing structures under wind system top view of the present invention；
Fig. 3 is wind rope steering bracket schematic diagram of the present invention；
Fig. 4 is horizontal wind resistance rope anchor system schematic diagram；
Fig. 5 is conjugation rope anchor system schematic diagram；
Fig. 6 is otic placode structural schematic diagram of the present invention；
Wherein, the horizontal wind resistance rope of 1-, 2- wind drag-line, 3- are conjugated rope, and 4- is conjugated Suo Lasuo, 5- wind rope steering bracket, 6- water
Flat wind resistance rope anchors pier, and 7- is conjugated rope and anchors pier, and 8- wind rope and main push-towing rope share anchoring pier, and 9- main push-towing rope anchors pier, 10- main push-towing rope back
Rope, 11- main push-towing rope, 12- pipeline suspension crossing bridge tower, 13- bridge pier, 14- cushion cap, 15- pipeline suspension crossing bridge floor, 16- lower boom,
17- web member, 18- anchor slab, 19- anchor bar, 20- top boom, the horizontal wind resistance rope anchor system of 21-, 22- are conjugated rope anchoring system
System, 23- otic placode, 24- otic placode deep floor, 25- connecting plate, 26- connection reinforcement floor.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of pipeline suspension crossing structures under wind system, as shown in Figure 1 and Figure 2, if there are two pipeline suspension crossing bridge towers
12, the pipeline suspension crossing bridge tower 12 is fixed on bridge pier 13, and cushion cap 14 is equipped with below the bridge pier 13.Two main push-towing ropes 11 divide
Not Chuan Guo two pipeline suspension crossing bridge towers 12 top and vertical direction parabolically type be arranged, two main push-towing ropes 11
Lower section hung pipeline suspension crossing bridge floor 15 by several main push-towing rope hoist cables being arranged in parallel vertically.The pipeline suspension crossing
The both ends of bridge floor 15 are respectively equipped with main push-towing rope anchoring pier 3；Two main push-towing ropes 11 are respectively equipped with corresponding main push-towing rope dorsal funciculus 10, the main push-towing rope back
Rope 10 is anchored on the main push-towing rope anchoring pier.
The pipeline suspension crossing structures under wind system further include:
Two horizontal wind resistance ropes 1, in the horizontal direction parabolically type be arranged, and with the pipeline suspension crossing bridge floor 15
It is concordant in the horizontal direction, and it is separately positioned on the two sides of the pipeline suspension crossing bridge floor 15.Due to gravity, the water
Flat 1 angle with horizontal plane range of wind resistance rope can be between 0.3o~1.5o.Two horizontal wind resistance ropes 1 pass through several respectively
The wind drag-line 2 being arranged in parallel in the horizontal direction is connect with the pipeline suspension crossing bridge floor 15.Pass through two horizontal 1 Hes of wind resistance rope
Several wind drag-lines 2, can resist the horizontal direction ant wind load of pipeline suspension crossing structure, and provide the side of pipeline suspension crossing
To rigidity.The both ends of the pipeline suspension crossing bridge floor 15 can be respectively equipped with the two horizontal wind resistance rope being arranged symmetrically anchoring piers 6,
For anchoring horizontal wind resistance rope 1.As shown in figure 4, being equipped with horizontal wind resistance rope anchor system 21 in horizontal wind resistance rope anchoring pier 6.
It is conjugated rope 3, is arranged in vertical direction in reversed parabolic type, and the pipeline suspension crossing bridge floor 15 is set
Bottom；The conjugation Suo Lasuo 4 and the pipeline suspension crossing bridge floor 15 that the conjugation rope 3 is arranged in parallel vertically by several connect
It connects.By the setting of conjugation rope 3 and several conjugation Suo Lasuo 4, the lift of pipeline suspension crossing wind loads on structure can be resisted, and
The vertical rigidity of pipeline suspension crossing structure is provided.The bottom both ends of the pipeline suspension crossing bridge floor 15 are respectively equipped with conjugation rope
Pier 7 is anchored, for anchoring conjugation rope 3.As shown in figure 5, being equipped with conjugation rope anchor system 22 in the conjugation rope anchoring pier 7.
The main push-towing rope 11, horizontal wind resistance rope 1, conjugation rope 3, main push-towing rope hoist cable, wind drag-line 2 and conjugation Suo Lasuo 4 are by several
Root steel wire composition, and in the main push-towing rope 11, horizontal wind resistance rope 1, conjugation rope 3, main push-towing rope hoist cable, wind drag-line 2 and conjugation Suo Lasuo 4
Both ends are respectively arranged with anchor head；The main push-towing rope hoist cable, wind drag-line 2 and be conjugated Suo Lasuo 4 both ends anchor head be separately connected cord clip and
Ear is pitched, for main push-towing rope, horizontal wind resistance rope 1 or the connection for being conjugated rope 3 and pipeline suspension crossing bridge floor 15, to realize the transmitting of power.
It is described horizontal anti-in the one or both ends of the pipeline suspension crossing bridge floor 15 when orographic condition receives limitation
Wind rope 1 and main push-towing rope 11 can share anchoring pier.When the horizontal wind resistance rope 1 and main push-towing rope 11 share anchoring pier, in the bridge pier 13
Two sides setting wind rope steering bracket 5 realizes the steering of horizontal wind resistance rope 1, the horizontal wind resistance rope 1 through 5 anchor of wind rope steering bracket
Gu being shared on anchoring pier 8 in wind rope and main push-towing rope.
The horizontal wind resistance rope anchoring pier 6, conjugation rope anchoring pier 7, wind rope and main push-towing rope share and anchor pier 8, main push-towing rope anchors pier 9
It is formed by C30 concreting, inside sets framework of steel reinforcement and anchor system.
The wind rope steering bracket 5 is arranged symmetrically centered on bridge pier 13, and perpendicular to the pipeline suspension crossing bridge floor
15 it is longitudinally disposed, the both ends of the wind rope steering bracket 5 are provided with otic placode structure, and the horizontal wind resistance rope 1 passes through described
Otic placode structure, for realizing horizontal wind resistance rope 1 steering.
Specifically, as shown in figure 3, the wind rope steering bracket 5 uses the form of Q345C steel-pipe welding, including top boom
20, lower boom 16 and web member 17, the top boom 20 and lower boom 16 are symmetrically anchored at by anchor slab 18 and anchor bar 19
The two sides of bridge pier 13, top boom 20, lower boom 16 and the bridge pier 13 of every side form right triangular shape, and every side is winded up
Also equal arranged crosswise has several web members 17 between bar 20 and lower boom 16, wherein the top boom 20 perpendicular to pipeline suspension cable across
More bridge floor 15 is longitudinally disposed, and the top boom 20 is fixed with the otic placode structure far from one end of bridge pier 13.
Further, as shown in fig. 6, the otic placode structure includes otic placode 23, the otic placode 23 is equipped with for horizontal wind resistance
The hole that rope 1 passes through, the otic placode 23 connect the top boom 20 by connecting plate 25；Several ears are additionally provided on the otic placode 23
Plate deep floor 24 is additionally provided with connection reinforcement floor 26, the otic placode deep floor 24 between the otic placode 23 and top boom 20
The connecting plate 25 is each perpendicular to connection reinforcement floor 26.
Embodiment
Pipeline suspension crossing engineering design main span span 360m, southern bank anchor span 109.9m, northern bank anchor span 75.7m, overall length
545.6m.Main push-towing rope ratio of rise to span uses 1/10, and horizontal wind resistance rope facade projection span 360m, plane projection beam overall 54.6m, level resist
Wind rope ratio of rise to span uses 1/15.It is that left side main push-towing rope and wind rope share anchoring pier across southern side, setting wind rope is lateral at the bridge tower of left side
Support is wind rope steering bracket, and two horizontal wind resistance rope anchoring piers are separately provided in right side.It is total that twice are set below bridge deck structure
Yoke rope, conjugation rope hoist cable range are 290m, and ratio of rise to span uses 1/42, and a conjugation rope anchoring pier is respectively arranged in southern bank and northern bank.
Anchoring pier is arranged altogether and shares 6 for pipeline suspension crossing engineering, and wherein (its Central-South bank anchors pier to 2, pier of main push-towing rope anchoring
Shared with wind rope), horizontal wind resistance rope anchors 2, pier, and conjugation rope anchors 2, pier.With reference to Fig. 2, left side main push-towing rope anchors pier and uses steel
Reinforced concrete gravity type anchors pier, considers that wind rope and main push-towing rope share an anchoring pier, considers having a size of 18m × 12m × 18m, adopt
With C30 concrete, if soil layer is uneven, unified lower digging 1m is changed using piece stone concrete and is filled out.Right side main push-towing rope anchors pier and uses steel
Reinforced concrete gravity type anchors pier, and size 18.5m × 10.5m × 14m considers, using C30 concrete.The horizontal wind resistance rope anchor in right side
Gu Dun anchors pier using armored concrete gravity type, and key dimension 8m × 8m × 5m considers, using C30 concrete.It is conjugated rope anchor
Gu Dun anchors pier using armored concrete gravity type, and key dimension 5.18m × 5m × 4m considers, using C30 concrete.
Main push-towing rope uses hot extruded polyethylene parallel steel wire rope, and every main push-towing rope is 5mm galvanizing coating high tensile steel wire by 283 diameters
Composition, steel wire standard pull tension intensity are not less than 1670MPa, beam stock effective sectional area 5557mm2, the nominal load 9280kN that is broken.
Crowded bilayer PE anti-corrosion outside, PE outer layer color is using red, strength assurance coefficient >=2.50.Rope system anchorage uses hot casting anchor, both ends
Anchor head is all connected with fork ear, and fork ear is connect with anchoring pier anchored end otic placode and tower end otic placode respectively.
Horizontal wind resistance rope use hot extruded polyethylene parallel steel wire rope, horizontal wind resistance rope by 151 diameter 5mm galvanizing coating
High tensile steel wire composition, single cable effective sectional area are 2964mm2, the nominal load 4951kN that is broken.Crowded bilayer PE anti-corrosion outside, PE outer layer
Color is using red, strength assurance coefficient >=2.50.Rope system anchorage uses hot casting anchor, and both ends anchor head is all connected with fork ear, fork ear point
It is not connect with anchoring pier anchored end otic placode and lateral support otic placode.
Conjugation rope is made of the galvanizing coating high tensile steel wire of 73 diameter 5mm, and single cable effective sectional area is 1433mm2, mark
Claim fracture load 2394kN.Crowded bilayer PE anti-corrosion outside, PE outer layer color is using red.Rope system anchorage uses hot casting anchor, both ends anchor
Head is all connected with fork ear, and fork ear is connect with anchoring pier anchored end otic placode.
Main push-towing rope hoist cable, wind drag-line and conjugation Suo Lasuo are all made of hot extruded polyethylene parallel steel wire rope, master under bridge completion state
Cable hoist cable spacing and wind drag-line spacing are 5.0m, and each (drawing) point piece main push-towing rope of setting that hangs hangs (wind drawing) rope, and main push-towing rope hoist cable is adopted
With parallel wire unit, hoist cable model 5 × 13 (Φ 22mm), effective sectional area 255mm2, the nominal load 426kN that is broken, wind drawing
Rope model 5 × 7 (Φ 15mm), effective sectional area 137mm2, be nominally broken load 230kN, is all made of single sheath protection, hoist cable
With wind safety factor of cord strength K >=4.
It is 5.0m that Suo Lasuo spacing is conjugated under bridge completion state, using parallel wire unit, drag-line model 5 × 7 (Φ 15mm),
Effective sectional area 137mm2, be nominally broken load 230kN, is all made of single sheath PE protection.
Main push-towing rope hoist cable one end use fixed hot-cast anchorage, the other end use sleeve adjustable type hot-cast anchorage, regulated quantity ±
150mm.Wind drag-line and conjugation one end Suo Lasuo use fixed hot-cast anchorage, and the other end uses sleeve adjustable type hot-cast anchorage,
Regulated quantity ± 100mm.All drag-lines are connected by fork ear, pin shaft with cord clip or bridge floor, and it is primary that cable body protection is all made of single layer PE
Extrusion forming.
Wind rope steering bracket is set at the bridge tower of southern side, and the wind rope steering bracket is mainly made of two steel pipes, respectively
For X65M grades of steel pipes of 813mm × 20.6mm X70M and 610mm × 14.3mm.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pipeline suspension crossing structures under wind system, if there are two pipeline suspension crossing bridge tower (12), the pipeline suspension cable
It is fixed on bridge pier (13) across bridge tower (12), is equipped with cushion cap (14) below the bridge pier (13)；Two main push-towing ropes (11) are worn respectively
It crosses the top of two pipeline suspension crossing bridge towers (12) and parabolically type is arranged in vertical direction, two main push-towing ropes (11)
Lower section by several be arranged in parallel main push-towing rope hoist cable hung pipeline suspension crossing bridge floor (15)；It is characterized in that, the pipe
Road Cable-stayed global anti-wind system further include:
Two horizontal wind resistance ropes (1), in the horizontal direction parabolically type be arranged, and with the pipeline suspension crossing bridge floor (15)
It is concordant in the horizontal direction, and it is separately positioned on the two sides of the pipeline suspension crossing bridge floor (15)；Two horizontal wind resistances
Rope (1) is connect by the wind drag-line (2) of several parallel arrangements with the pipeline suspension crossing bridge floor (15) respectively；
It is conjugated rope (3), is arranged in vertical direction in reversed parabolic type, and be arranged in the pipeline suspension crossing bridge floor (15)
Bottom；The conjugation Suo Lasuo (4) and the pipeline suspension crossing bridge floor (15) that conjugation rope (3) is arranged in parallel by several
Connection；
In the one or both ends of the pipeline suspension crossing bridge floor (15), the horizontal wind resistance rope (1) and main push-towing rope (11) share anchor
Gu Dun；When the horizontal wind resistance rope (1) and main push-towing rope (11) share anchoring pier, in the two sides of the bridge pier (13), setting wind rope is turned to
Bracket (5) realizes the steering of horizontal wind resistance rope (1), and the horizontal wind resistance rope (1) is anchored at wind rope through wind rope steering bracket (5)
It is shared in anchoring pier (8) with main push-towing rope.
2. pipeline suspension crossing structures under wind system according to claim 1, which is characterized in that
Main push-towing rope anchors pier and is arranged at the both ends of the pipeline suspension crossing bridge floor (15)；Two main push-towing ropes (11) are respectively equipped with accordingly
Main push-towing rope dorsal funciculus (10), the main push-towing rope dorsal funciculus (10) are anchored on the main push-towing rope anchoring pier.
3. pipeline suspension crossing structures under wind system according to claim 2, which is characterized in that in the horizontal wind resistance rope
(1) and main push-towing rope (11) does not share one end of anchoring pier, if being used for anchor there are two the horizontal wind resistance rope being arranged symmetrically anchoring pier (6)
The flat wind resistance rope (1) of solid water.
4. pipeline suspension crossing structures under wind system according to claim 1, which is characterized in that the pipeline suspension crossing
The bottom both ends of bridge floor (15) are respectively equipped with conjugation rope anchoring pier (7), for anchoring conjugation rope (3).
5. pipeline suspension crossing structures under wind system according to claim 1, which is characterized in that due to gravity, institute
Horizontal wind resistance rope (1) angle with horizontal plane range is stated between 0.3o~1.5o.
6. pipeline suspension crossing structures under wind system according to claim 1, which is characterized in that the main push-towing rope (11), water
Flat wind resistance rope (1), conjugation rope (3), main push-towing rope hoist cable, wind drag-line (2) and conjugation Suo Lasuo (4) are made of several steel wires, and
The two of the main push-towing rope (11), horizontal wind resistance rope (1), conjugation rope (3), main push-towing rope hoist cable, wind drag-line (2) and conjugation Suo Lasuo (4)
End is respectively arranged with anchor head；The both ends anchor head of the main push-towing rope hoist cable, wind drag-line (2) and conjugation Suo Lasuo (4) is separately connected cord clip
With fork ear, it is used for main push-towing rope, horizontal wind resistance rope (1) or the connection for being conjugated rope (3) and pipeline suspension crossing bridge floor (15), to realize power
Transmitting.
7. pipeline suspension crossing structures under wind system according to claim 1, which is characterized in that several parallel cloth
The wind drag-line (2) set is in the horizontal direction perpendicular to the longitudinally disposed of pipeline suspension crossing bridge floor (15)；Described several parallel
The conjugation Suo Lasuo (4) and main push-towing rope hoist cable of arrangement are set perpendicular to the longitudinal direction of pipeline suspension crossing bridge floor (15) in the vertical direction
It sets.
8. pipeline suspension crossing structures under wind system according to claim 1, which is characterized in that the wind rope steering bracket
(5) it is arranged symmetrically centered on bridge pier (13), and perpendicular to longitudinally disposed, the wind of the pipeline suspension crossing bridge floor (15)
The both ends of rope steering bracket (5) are provided with otic placode structure, and the horizontal wind resistance rope (1) passes through the otic placode structure, for real
The steering of existing horizontal wind resistance rope (1).
9. pipeline suspension crossing structures under wind system according to claim 8, which is characterized in that the wind rope steering bracket
It (5) include top boom (20), lower boom (16) and web member (17), the top boom (20) and lower boom (16) pass through anchor slab
(18) and anchor bar (19) is symmetrically anchored at the two sides of bridge pier (13), top boom (20), lower boom (16) and the bridge of every side
Pier (13) forms right triangular shape, there is several also equal arranged crosswise between the top boom (20) and lower boom (16) of every side
A web member (17), wherein longitudinally disposed, the top boom of the top boom (20) perpendicular to pipeline suspension crossing bridge floor (15)
(20) one end far from bridge pier (13) is fixed with the otic placode structure.
10. pipeline suspension crossing structures under wind system according to claim 9, which is characterized in that the otic placode structure packet
It includes otic placode (23), the otic placode (23) is equipped with the hole passed through for horizontal wind resistance rope (1), and the otic placode (23) passes through connecting plate
(25) top boom (20) is connected；Several otic placode deep floors (24), the otic placode are additionally provided on the otic placode (23)
(23) it is additionally provided between top boom (20) connection reinforcement floor (26), the otic placode deep floor (24) and connection reinforcement floor
(26) connecting plate (25) are each perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308843.2A CN109306656A (en) | 2018-11-05 | 2018-11-05 | A kind of pipeline suspension crossing structures under wind system |
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