CN109334682A - A kind of light vacuum conduit traffic system and its construction method - Google Patents
A kind of light vacuum conduit traffic system and its construction method Download PDFInfo
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- CN109334682A CN109334682A CN201811242826.3A CN201811242826A CN109334682A CN 109334682 A CN109334682 A CN 109334682A CN 201811242826 A CN201811242826 A CN 201811242826A CN 109334682 A CN109334682 A CN 109334682A
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- vacuum pipe
- shaped beam
- vacuum
- traffic system
- interior pedestal
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000004567 concrete Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims description 41
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
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- 229910052799 carbon Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
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- 229920005989 resin Polymers 0.000 claims description 5
- 229920002748 Basalt fiber Polymers 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
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- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 125000002837 carbocyclic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/10—Tunnel systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of light vacuum conduit traffic systems, including vacuum pipe (1) and combined support fixed structure, the bottom of the vacuum pipe (1) is embedded in the combined support fixed structure, the combined support fixed structure includes U-shaped beam (2) and interior pedestal (6), the top of U-shaped beam (2) is arc groove, the bottom of the interior pedestal (6) is arc convex face, U-shaped beam (2) matches with the interior pedestal (6), vacuum pipe (1) is stated will clamp, and vacuum pipe (1) includes the outer tube (103) that rigidity enhancement layer (102) and the material airtight and high tensile strength by lightweight are made, the rigidity enhancement layer (102) is the concrete structure of filling, to guarantee the stiffness and strength of the vacuum pipe (1).The invention discloses a kind of construction methods of light vacuum conduit traffic system.Middle pipeline quality of the invention is light, corrosion resistance easy for installation is good, and it firmly installs stability height.
Description
Technical field
The invention belongs to vacuum pipe traffic technical fields, more particularly, to a kind of light vacuum conduit traffic system
And its construction method.
Background technique
Vacuum pipe traffic, which is imagined, to be proposed by German teacher's Herman Ken Peier in nineteen twenty-two, be a kind of no air drag,
Friction free types of transportation.Technical principle is to build a closed pipeline on ground or underground, is evacuated with vacuum pump or portion
Divide vacuum.Start vehicle in this environment, car resistance will greatly reduce, and can effectively reduce energy consumption, while pneumatically making an uproar
Sound can also substantially reduce, and meet environmental requirement.It is more popular about the research of vacuum pipe traffic both at home and abroad, but it is in test
Stage there is no operation project to land, built or be elevated structure or the knot for being embedded in underground in the vacuum pipe test wire built
Structure, vacuum tube are all made of steel pipe and are made, and the stress performance that this is primarily due to steel pipe is good, rigidity is big, deforms small, airtight performance
It is good.But it fixes device and its complexity, and steel pipe is a kind of preferable selection as vacuum tube, but cost is high, causes very from great
Project amount is big when vacant duct is installed, poor corrosion resistance leads to short leakproofness difference of the service life of vacuum tube etc..
Vacuum pipe continues to develop, and occurs the vacuum pipe of the lightweight of carbon fiber in the prior art.In general, lightweight
Vacuum pipe refers to that the density of tubing is lower than the vacuum pipe of the steel density of steel made vacuum pipeline, and more preferably Pipes Density is small
In 1/3 vacuum pipe of steel density.For example, patent document CN108413139A discloses a kind of carbon fiber vacuum pipe, packet
The pipeline covering for including pipeline skeleton and coating pipeline skeleton, is fixedly connected, wherein pipeline between pipeline covering and pipeline skeleton
Covering is the laying as made of carbon fibre composite Wet Winding Process, and pipeline skeleton is the frame-type that titanium alloy material is made
Pipe structure, close to the bottom of the circular cross-section of pipeline, is arranged vertical with cross-section of pipeline and axially prolongs along pipeline in pipeline
The pipeline base plate supporting structure stretched, the upper surface of pipeline base plate supporting structure and inner wall of the pipe are fixedly connected with pipeline covering.
Existing light vacuum pipeline and its traffic system although can overcome weight existing for steel tube place it is larger, using the longevity
Life and installing engineering amount it is big the problems such as, but itself there is also biggish deficiencies: be on the one hand lightweight pipeline be different from steel
Expect the vacuum pipe of production, Steel material is from great and can be fixed by fixed structures such as armored concrete, and lightweight pipeline is such as
Fruit it is fixed it is bad be easy for vibration occur even shaking, especially usually its interior vehicle speed of service is larger, it is easier to cause
Or aggravate vibration and shake, and this can cause larger hidden danger to entire traffic system operational safety；Further aspect is that light pipe
The fixed difficulty of the installation in road is high, if support is fixed using traditional mechanical fixed component, it will usually be related to punching perforation
Etc. modes, the air-tightness of light vacuum pipeline may be will affect so that entire vacuum-pipeline transfer system efficiency and safety by
It influences；The third aspect is although advantage that existing lightweight pipeline has light weight, but may exist in terms of rigidity and/or intensity
Deficiency, and its existing fixed supporting way also leads to pipeline and its support construction unbalance stress, pressure-bearing tension effect is poor.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provide a kind of light vacuum conduit traffic system and
Its construction method collectively constitutes combined support fixed structure, vacuum pipe by U-shaped beam and the interior pedestal being equipped with it
Bottom tube body be embedded in combined support fixed structure, formed to the excellent support of light vacuum pipeline, the vacuum of this programme
Pipe-line system and construction method can effectively inhibit the vibration and/or shaking of pipeline, and it supports fixed form simple, does not relate to
And punching piercing process, air-tightness will not be impacted, while can also guarantee that conduit traffic system uniform force is stablized.
To achieve the goals above, as one aspect of the present invention, a kind of light vacuum conduit traffic system is provided, is wrapped
Vacuum pipe and combined support fixed structure are included, the bottom of the vacuum pipe is embedded in the combined support fixed structure；
Wherein, the combined support fixed structure includes U-shaped beam and interior pedestal, the top of the U-shaped beam be with it is described true
The arc groove that the tube wall curved surface radian of vacant duct matches, bottom and the arc groove of the interior pedestal match
Arc convex face, interior pedestal top are equipped with track girder, and the interior pedestal is placed in the vacuum pipe, and its bottom arc
Crowning is contacted with the inner tubal wall of the vacuum pipe, and the arc groove of the U-shaped beam from outer package and holds the vacuum tube
Road is equipped with for the close-connected adhesive layer of the two between the vacuum pipe outer tube wall and the arc groove, passes through the U
It is matched inside and outside type beam and the interior pedestal, the bottom of the vacuum pipe of lightweight is clamped in the combined support fixed knot
In structure；
And the vacuum pipe includes the rigidity enhancement layer being radially stacked from inside to outside and by the airtight material of lightweight
Expect the outer tube being made, the rigidity enhancement layer is the concrete structure of filling, to guarantee the rigidity of the vacuum pipe
And intensity.
Further, the U-shaped beam bottom level, the angle between the side and bottom surface of the U-shaped beam are right angle or blunt
Angle, bottom are placed on bridge pier or semi-rigid ground or underground structure.
Further, the top surface flush of the top surface of the interior pedestal and the U-shaped beam.
Further, the length of the arc groove of the U-shaped beam is the 1/3~1/2 of the vacuum pipe perimeter.
Further, the U-shaped beam includes the U-shaped beam section of several sections, and expansion joint is equipped between the U-shaped beam section of two adjacent sections.
Further, support is equipped between the bridge pier and the U-shaped beam.
Further, concrete or rubble pad are equipped between the U-shaped steel beam and the semi-rigid ground or underground structure
Layer.
Further, the inside of the rigidity enhancement layer is equipped with matched as vacuum pipe guarantor with the interior base into contact
The inner tube of sheath.
Further, the rigidity enhancement layer is made using expansive concrete or/and fiber concrete, the internal layer
Pipe or the outer tube are closed using bamboo winding material, carbon fibre material, resin steel fibre, basalt fibre, glass fibre and aluminium
Golden material is any one or more of to be made.
As another aspect of the present invention, a kind of construction method of light vacuum conduit traffic system, feature are provided
It is, includes the following steps:
S1 makes vacuum pipe, and making top is the U-shaped beam that arc-shaped groove bottom is plane；
Wherein, vacuum pipe is fabricated to by inner tube, rigidity enhancement layer and outer tube jointly or is made of armored concrete
Rigidity enhancement layer and outer tube be fabricated to vacuum pipe；
The U-shaped beam is fixed on bridge pier or semi-rigid ground or underground structure by S2,
Wherein, when the U-shaped beam is fixed on the bridge pier, support is set between the U-shaped beam and the bridge pier, institute
When stating U-shaped beam and being placed on semi-rigid ground or underground structure, the bottom setting concrete or blotter of the U-shaped beam, with
Increase the stability in the U-shaped beam bottom portion；
Adhesive layer is arranged on the surface of the arc groove in S3, it is ensured that the uniform cloth of cambered surface of the adhesive layer arcuately groove
It sets；
S4 installs the vacuum pipe, and by vacuum pipe fitting adhesive layer setting, and it is secured to pass through the adhesive layer
It is fixed in arc groove；
Interior pedestal is arranged in S5 in the vacuum pipe, and makes the bottom of the interior pedestal and the vacuum pipe inner wall
It fits, the interior pedestal matches to form combined support fixed structure with the U-shaped beam, and the vacuum pipe of lightweight is consolidated
Determine in combined support fixed structure, and vacuum pipe is evacuated.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
(1) light vacuum conduit traffic system of the invention, passes through U-shaped beam and common group of the interior pedestal being equipped with it
At combination support fixed structure, the bottom of vacuum pipe is embedded in combined support fixed structure, that is, is placed in the arc in U-shaped back portion
Between connected in star and the arc convex face of interior pedestal, U-shaped beam is set to outside and provides upward support, and structure can guarantee pipe simultaneously
Body uniform force guarantees that waiting for beam body deformation aspect requires, and interior pedestal is under the action of self weight and track girder gravity to vacuum pipe
Pressure is provided, vacuum pipe is clamped in fixed support structure under the collective effect of interior pedestal and U-shaped beam, especially suitable for
The vacuum pipe system of lightweight guarantees the stability of vacuum pipe and its interior so that vacuum pipe uniform force and avoid shaking
The safety of vehicle operation, and the fixation of anti-shake vibrationproof is realized in the effect for squeezing and supporting by ectonexine, avoids destruction gas
The fixed form of close property, and uniform force resistance to compression and tensile property are good；In addition, using rigidity enhancement layer in vacuum pipe, lead to
The concrete structure for crossing filling guarantees integrally-built rigidity.
(2) light vacuum conduit traffic system of the invention, is arranged adhesive layer between arc groove and vacuum pipe, and one
Aspect forms secured connection between the vacuum pipe and U-shaped beam of lightweight, prevents it from occurring shaking the arc groove that even falls off；Separately
On the one hand, it can be used as the effect of cache layer, the shock and vibration etc. when buffering vehicle is run influences.
(3) light vacuum conduit traffic system of the invention, the side of U-shaped beam are vertical plane or inclined-plane, side and bottom surface
Between angle be right angle or obtuse angle, to form stable support construction, the sectional area in U-shaped back portion is greater than or equal to bottom
Sectional area, on the one hand such structure design can be realized guarantees uniform force to the support of lifting of U-shaped beam, on the other hand may be used
Guarantee integrally-built load performance to reduce load；The application model that can be designed so that expansion vacuum pipe of U-shaped beam simultaneously
It encloses, different geographical locations can be set to, greatly improve its applicability.
(4) light vacuum conduit traffic system of the invention, the top surface flush of the top surface of interior pedestal and the U-shaped beam,
To there is corresponding support matched while guaranteeing that the everywhere on vacuum pipe is squeezed by interior pedestal, so that interior
Cooperation is formed between pedestal and U-shaped beam, is played the effect of optimal anti-shake vibrationproof and uniform force, is prevented excessive compression and lead
Unbalance stress is caused, or lack extruding to cause to shake.
(5) light vacuum conduit traffic system of the invention, the length of the arc groove of U-shaped beam are vacuum pipe perimeter
1/3~1/2, this range can take into account the effect and U-shaped beam itself weight of package support anti-shake vibrationproof of the arc groove to pipeline
Amount causes bottom pressure-bearing problem, wraps up when less than 1/3 insufficient, shakes obvious, the safety of vacuum pipe traffic system can be by
To influence, when being greater than 1/3, the degree that the part more than 1/2 increases burden can be much larger than the degree for increasing anti-rock effect.
(6) light vacuum conduit traffic system of the invention, rigidity enhancement layer are made using rigid material, and use is swollen
Swollen concrete, for guaranteeing the close connection between rigidity enhancement layer and inner tube and outer tube；Using fiber concrete, it is used for
The crack resistance of concrete is improved, inner tube and outer tube use bamboo winding material, carbon fibre material, resin steel fibre, basalt
Fiber, glass fibre and aluminum alloy materials are made, and the material production pipeline construction of selection is quick, reliable in quality is prepared into
The characteristics of this is low, bulk density is small, good corrosion resistance, low-carbon environment-friendly, steel pipe can be overcome to be used as just, and vacuum pipe cost is high, weight is big
The defects of poor corrosion resistance.
(7) construction method of light vacuum conduit traffic system of the invention, including pass through rigidity enhancement layer for inner tube
It connects to form the small vacuum pipe of the strong deformation of rigidity with outer tube, then U-shaped beam is fixed on and is set on backed bridge pier, and
Adhesive layer is set between vacuum pipe and U-shaped beam, forms stable vacuum pipe support, eventually forms vacuum pipe beam, it is whole
A process construction is simple, strong operability are high-efficient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of light vacuum conduit traffic system of first embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of light vacuum conduit traffic system of second embodiment of the invention；
Fig. 3 is the first embodiment of enlarged drawing at A in Fig. 1；
Fig. 4 is the second embodiment of enlarged drawing at A in Fig. 1.
In all attached drawings, same label indicates identical structure or part, in which: 1- vacuum pipe, 2-U type beam, 3- are viscous
Tie layer, 4- support, 5- bridge pier, pedestal in 6-, 7- track girder, 8- train, 101- inner tube, 102- rigidity enhancement layer, outside 103-
Layer pipe.
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.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Not constituting conflict between this can be combined with each other.
Fig. 1 is a kind of structural schematic diagram of light vacuum conduit traffic system of first embodiment of the invention.As shown in Figure 1,
Light vacuum conduit traffic system includes vacuum pipe 1, U-shaped beam 2, adhesive layer 3, support 4, bridge pier 5, interior pedestal 6 and track girder
7；
Wherein, the top of the U-shaped beam 2 is equipped with arc groove, and bottom surface is horizontal plane, and vacuum pipe 1 is set to U-shaped beam 2
Top, be arranged connecting flange between two adjacent sections vacuum pipe 1, and 1 bottom of vacuum pipe is set in arc groove, and arc
The radian of groove is identical with the radian of 1 bottom of vacuum tube, for being played vacuum pipe corbel by U-shaped beam 2, provides and stablizes branch
Support.
And U-shaped 2 direction along ng a path of beam is extended, U-shaped beam 2 is used as main vertical applied force component, bears dead load, pipe
Means of transportation self weight and traffic loading in road self weight and pipeline, it is ensured that beam body deformation etc. is met the requirements；The U-shaped beam 2 of two adjacent sections it
Between be equipped with expansion joint, pointing is equipped in expansion joint, wherein U-shaped beam 2 is armored concrete or prefabricated reinforced concrete structure
Part.
Preferably, the side of U-shaped beam 2 is vertical plane or inclined-plane, and the angle between side and bottom surface is right angle or obtuse angle, U
The sectional area in type back portion is greater than or equal to the sectional area of bottom, to form stable support construction, this set side of U-shaped beam
On the one hand formula can be realized and guarantee vacuum pipe and 2 uniform force of U-shaped beam to the support of lifting of the U-shaped beam 2 of vacuum pipe, separately
On the one hand its own weight is reduced, reduces the pressure-bearing of bottom structure；This can be designed so that the application for expanding vacuum pipe simultaneously
Range can be set to different geographical locations, greatly improve its applicability.
Further, U-shaped beam 2 can be set in different geographical locations, i.e., U-shaped beam 2 can be set on pier 5, partly
On rigid ground or it is embedded in below ground；Wherein, support 4 is equipped between U-shaped beam 2 and pier 5, to pass through support 4 for U-shaped beam
2 are fixed on pier 5, and the pressure of U-shaped beam 2 is transferred on bridge pier 5 by support 4 and provides stable support；Setting is semi-rigidly
On face or when being embedded in below ground, the bottom setting concrete or blotter of U-shaped beam 2, to increase the steady of U-shaped 2 bottom of beam
It is qualitative.
Interior pedestal 6 is set in the arc groove, and the bottom of interior pedestal 6 is arc convex face, top horizontal, interior pedestal 6
Horizontal top surface be equipped with track girder 7, train is placed on track girder 7, and U-shaped beam 2 and interior pedestal 6 are equipped with to form combination branch
Support fixed structure；The bottom of vacuum pipe 1 is embedded in combined support fixed structure, and the bottom of vacuum pipe 1 is placed in U-shaped beam 2
6 arc convex face of arc groove and interior pedestal between, vacuum pipe 1 is consolidated by the mating reaction of U-shaped beam 2 and interior pedestal 6
It is scheduled on combined support fixed structure；Wherein the radian of the arc groove and vacuum pipe 1 of U-shaped beam 2 matches, for being vacuum
Pipeline 1 provides towing force support, and arc groove and vacuum pipe are provided uniform support for pipeline, made simultaneously by plane-plane contact
U-shaped 2 uniform force of beam is obtained, guarantees the stability of support construction and improves its service life, in addition the design energy gram of arc groove
The shaking for taking vacuum pipe transverse direction guarantees the stability of vacuum pipe and its safety of interior vehicle operation；Interior pedestal 6 is placed in very
In vacant duct, the self weight of interior pedestal 6 adds the weight of track girder 7, downward pressure is provided in vacuum pipe, the pressure and arc
The support force of connected in star acts on cooperation, vacuum pipe 1 is clamped in combined support fixed structure, by the vacuum pipe of lightweight
It is fixed in combination fixed support structure.Interior pedestal 6 and U-shaped beam compound action can also be used to improve light vacuum conduit traffic system
The tensile property of system.The integral supporting structure is supported and fixed especially suitable for light vacuum pipeline, on the one hand can be played
Good anti-shake anti-vibration effect, and the good uniform force of pressure-bearing effect are small to the damage of vacuum pipe 1；On the other hand, only by interior
The inside and outside compound action of pedestal 6 and U-shaped beam 2 clamps, and does not need additionally pass through mechanical fixed component and is fixed by punching, guarantor
The air-tightness of the vacuum environment of vacuum pipe is demonstrate,proved.
Preferably, the length of the arc groove of U-shaped beam 2 is the 1/3~1/2 of 1 perimeter of vacuum pipe, the length of arc groove
Setting influence its support to vacuum pipe 1, longer its volume gravity is arranged in length can be bigger, the load meeting of bottom structure
It is bigger；But length is shorter, and it is smaller to the encapsulation ratio of vacuum pipe 1, poorer to the support effect of vacuum pipe, prevents vacuum tube
The effect that road shakes is poorer；When the length of the arc groove of U-shaped beam 2 is the 1/3~1/2 of 1 perimeter of vacuum pipe, to pipeline
Package is enough to inhibit its shaking, and provides enough supports, when the length of U-shaped 2 arc groove of beam is less than 1 perimeter of vacuum pipe
When 1/3, inhibit the effect shaken that can die-off, and be not enough to reach demand for security；When the length of U-shaped 2 arc groove of beam is greater than
When vacuum pipe perimeter 1/2, the range of safe enough is had reached to the package effect preventing swaying of vacuum pipe, more than 1/2
The degree that increases burden of part can be much larger than the degree for increasing anti-rock effect.
Further, the top surface flush of the top surface of interior pedestal 6 and the U-shaped beam 2, the self weight of interior pedestal 6 is plus its top
The weight of the track girder in portion is that vacuum pipe 1 provides downward pressure, and the upward support with U-shaped beam 2 forms inside and outside match
It closes, vacuum pipe 1 is clamped in combination fixed support structure, when the top surface of interior pedestal 6 and the top surface flush of U-shaped beam 2
When, U-shaped beam arc groove has corresponding interior pedestal 6 to cooperate the supporting role of vacuum pipe 1 everywhere.If interior pedestal
When 6 apical side heights are lower than the height of U-shaped 2 top surface of beam, one section that U-shaped beam 2 has more only support is corresponded on vacuum pipe 1 and is not pressed
Power effect, squeeze generation prevents the effects for vibrating and shaking from losing；If interior base top surface height is higher than U-shaped 2 top surface of beam
Height when, the pressure that some is subject on vacuum pipe 1, no support force is cancelled out each other, and load action is in vacuum official
It, can be than more serious to the destruction of vacuum pipe 1 on road 1.
Preferably, interior pedestal 6 and U-shaped beam 2 are made using plain concrete or armored concrete.
As the second embodiment of the present invention, as shown in Fig. 2, when interior pedestal 6 and U-shaped beam 2 are made of armored concrete
Into when, interior pedestal 6 and U-shaped beam 2 are hollow structure, the lower hollow of U-shaped beam 2, hollow space are equipped in interior pedestal 6, to subtract
The weight of light U-shaped beam 2, to mitigate the pressure to bridge pier 5, semi-rigid ground or underground structure while also save resource.
Preferably, adhesive layer 3 is equipped between vacuum pipe 1 and the arc groove of U-shaped beam 2, for overcoming 1 table of vacuum pipe
The out-of-flatness in face, and matched with combined support fixed structure, it prevents vacuum pipe 1 from shaking, makes vacuum pipe 1 and arc groove
Between closely bond, form the structure of common stress common eigenvector.
Further, adhesive layer 3 is made using the high molecular materials such as rubber, pitch, resin.
Fig. 3 is the first embodiment of enlarged drawing at A in Fig. 1.As shown in Figure 1, including interior in 1 first embodiment of vacuum pipe
Layer pipe 101, rigidity enhancement layer 102 and outer tube 103, inner tube 101 are the innermost layer structure of vacuum pipe 1, are protective layer,
Inner tube 101 is made using the high material of tensile strength, for guaranteeing the intensity of vacuum pipe inner surface；And vacuum pipe
1 inner wall is contacted with the bottom of interior pedestal 6, and by the load of interior pedestal 6, inner tube 101 is used to provide protection for vacuum pipe 1
Support guarantees the integrality of 1 structure of vacuum pipe.Preferably, inner tube 101 uses bamboo winding material, carbon fibre material, resin
Steel fibre, basalt fibre, glass fibre and aluminum alloy materials guarantee the integrality of structure while mitigating pipeline weight.
Outer tube 103 is the layer structure of vacuum pipe 1, plays the role of inner liner and protective layer, and outer tube 103 uses
Airtight and high tensile strength material, it is preferable that outer tube 103 is air-locked bamboo winding material, carbon fibre material or aluminium
Alloy material guarantees the integrality of structure while mitigating pipeline weight and guaranteeing air-tightness inside vacuum pipe.Inner tube 101
With the material production pipeline construction that outer tube 103 selects is quick, reliable in quality preparation cost is low, bulk density is small, good corrosion resistance, low
The characteristics of carbocyclic ring is protected can overcome steel pipe to be used as the defects of vacuum pipe cost is high, weight big poor corrosion resistance just.
Rigidity enhancement layer 102 is filled between inner tube 101 and outer tube 103, rigidity enhancement layer 102 is the concrete of filling
Structure, rigidity enhancement layer 102 are used to provide stiffness and strength for vacuum pipe, prevent pipeline craze and transfiguration and damage.
Further, rigidity enhancement layer 102 is made using expansive concrete or fiber concrete, using expansion coagulation
Soil can enhance after filling expansion and guarantee rigidity enhancement layer 102 and internal layer bamboo coiled composite tube 101 and outer layer bamboo coiled composite tube
Close connection between 103；After filling using fiber concrete as rigidity enhancement layer 102, the cracking resistance of concrete can be improved
Property.
Fig. 4 is the second embodiment of enlarged drawing at A in Fig. 1.In the present embodiment, vacuum pipe 1 is including outer tube 103 and just
Enhancement layer 102 is spent, wherein rigidity enhancement layer 102 is made using armored concrete, to guarantee 1 endothecium structure of vacuum pipe
Integrality.Interior base 6 is set up directly on rigidity enhancement layer 102, and outer tube 103 is air-locked bamboo winding material, carbon fiber
Material or aluminum alloy materials guarantee the integrality of structure while mitigating pipeline weight and guaranteeing air-tightness inside vacuum pipe.
Further, insulating layer is arranged in 103 outer layer of outer tube, for guaranteeing that environment is not by ambient temperature in vacuum pipe
It influences.
Preferably, multiple vacuum pipe beams are joined together to form vacuum pipe route, the end-enclosed at route both ends, and
In end setting anti-collision air bag, anticollision spring or other Anticollision Measures in pipeline.It is set in vacuum pipe by platform side in station
Hatch door can be opened and close by setting.Multiple vacuum pumps are set under certain spacing along route simultaneously, it is ensured that vacuum pipe can be taken out
To vacuum or low pressure state.
A kind of construction method of light vacuum conduit traffic system, steps are as follows:
S1 makes vacuum pipe 1, and making U-shaped beam 2 makes its top be arc groove, and bottom is horizontal plane；
Vacuum pipe 1 is fabricated to by inner tube 101, rigidity enhancement layer 102 and outer tube 103 jointly or by armored concrete
Manufactured rigidity enhancement layer 102 and outer tube 103 are fabricated to vacuum pipe；
Further, expansion joint is arranged in U-shaped 2 internode of beam, is blocked between seam using pointing.
U-shaped beam 2 is fixed on bridge pier 5, semi-rigid ground or underground structure by S2,
Wherein, when U-shaped beam 2 is fixed on bridge pier 5, support 4 is set between U-shaped beam and bridge pier 5, U-shaped beam 2 is placed in semi-rigid
Property ground or underground structure on when, the bottom setting concrete or blotter of U-shaped beam 2, to increase the steady of U-shaped 2 bottom of beam
It is qualitative.
Adhesive layer 5 is arranged on the surface of arc groove in S3, it is ensured that the cambered surface of the arcuately groove of adhesive layer 5 is evenly arranged；
The fitting adhesive layer 5 of vacuum pipe 1 is arranged, and is fixedly secured by adhesive layer 5 in arc by S4 mounting vacuum tube road 1
In connected in star；
Further, mounting flange connects vacuum pipe 1 along line direction；
Interior pedestal 6 is arranged in S5 in vacuum pipe 1, and the bottom of interior pedestal 6 is fitted with 1 inner wall of vacuum pipe,
Interior pedestal 6 matches to form combined support fixed structure with U-shaped beam 2, and 1 fixed Combination of vacuum pipe of lightweight is supported fixed knot
In structure, vacuum tube is evacuated.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of light vacuum conduit traffic system, which is characterized in that including vacuum pipe (1) and combined support fixed structure,
The bottom of the vacuum pipe (1) is embedded in the combined support fixed structure；
Wherein, the combined support fixed structure includes U-shaped beam (2) and interior pedestal (6), the top of the U-shaped beam (2) for institute
The arc groove that the tube wall curved surface radian of vacuum pipe (1) matches is stated, the bottom of the interior pedestal (6) is recessed with the arc
The arc convex face that slot matches, interior pedestal top are equipped with track girder (7), and the interior pedestal (6) is placed in the vacuum tube
In road (1), and its bottom arc convex face is contacted with the inner tubal wall of the vacuum pipe (1), and the arc of the U-shaped beam (2) is recessed
Slot is from outer package and holds the vacuum pipe (1), is equipped with and uses between vacuum pipe (1) outer tube wall and the arc groove
In the close-connected adhesive layer of the two (3), by being matched inside and outside the U-shaped beam (2) and the interior pedestal (6), by lightweight
The bottom of the vacuum pipe (1) is clamped in the combined support fixed structure；
And the vacuum pipe (1) includes the rigidity enhancement layer (102) being radially stacked from inside to outside and impermeable by lightweight
The outer tube (103) that gas material is made, the rigidity enhancement layer (102) is the concrete structure of filling, described in guaranteeing
The stiffness and strength of vacuum pipe (1).
2. a kind of light vacuum conduit traffic system according to claim 1, which is characterized in that U-shaped beam (2) bottom
Level, the angle between the side and bottom surface of the U-shaped beam (2) are right angle or obtuse angle, and bottom is placed in bridge pier (5) or semi-rigid
On ground or underground structure.
3. a kind of light vacuum conduit traffic system according to claim 1, which is characterized in that the interior pedestal (6)
The top surface flush of top surface and the U-shaped beam (2).
4. a kind of light vacuum conduit traffic system described in any one of claim 1 to 3, which is characterized in that the U
The length of the arc groove of type beam (2) is the 1/3~1/2 of the vacuum pipe (1) perimeter.
5. a kind of light vacuum conduit traffic system described in any one of claim 1 to 3, which is characterized in that the U
Type beam (2) includes the U-shaped beam section of several sections, and expansion joint is equipped between the U-shaped beam section of two adjacent sections.
6. a kind of light vacuum conduit traffic system according to claim 2, which is characterized in that the bridge pier (5) and institute
It states and is equipped with support (4) between U-shaped beam (2).
7. a kind of light vacuum conduit traffic system according to claim 2, which is characterized in that the U-shaped steel beam (2) with
Concrete or blotter are equipped between the semi-rigid ground or underground structure.
8. a kind of light vacuum conduit traffic system according to claim 1, which is characterized in that the rigidity enhancement layer
(102) inside, which is equipped with, contacts the matched inner tube (101) as vacuum pipe protective layer with the interior pedestal (6).
9. a kind of light vacuum conduit traffic system according to claim 1 or 8, which is characterized in that the rigidity is reinforced
Layer (102) is made using expansive concrete or/and fiber concrete, the inner tube (101) or the outer tube (103)
Using any in bamboo winding material, carbon fibre material, resin steel fibre, basalt fibre, glass fibre and aluminum alloy materials
Kind or a variety of be made.
10. a kind of construction method of light vacuum conduit traffic system described according to claim 1~any one of 9,
It is characterized in that, includes the following steps:
S1 makes vacuum pipe (1), and making top is the U-shaped beam (2) that arc-shaped groove bottom is plane；
Wherein, by inner tube (101), rigidity enhancement layer (102) and outer tube (103) be fabricated to jointly vacuum pipe (1) or by
Rigidity enhancement layer (102) and outer tube (103) made of armored concrete are fabricated to vacuum pipe；
The U-shaped beam (2) is fixed on bridge pier (5) or semi-rigid ground or underground structure by S2,
Wherein, it when the U-shaped beam (2) is fixed on the bridge pier (5), is set between the U-shaped beam (2) and the bridge pier (5)
It sets support (4), when the U-shaped beam (2) is placed on semi-rigid ground or underground structure, the bottom setting of the U-shaped beam (2) is mixed
Solidifying soil or blotter, to increase the stability of U-shaped beam (2) bottom；
Adhesive layer (5) are arranged on the surface of the arc groove in S3, it is ensured that the cambered surface of the adhesive layer (5) arcuately groove is uniform
Arrangement；
S4 installs the vacuum pipe (1), by the vacuum pipe (1) fitting adhesive layer (5) setting, and passes through the adhesive layer
(5) it is fixedly secured in arc groove；
Interior pedestal (6) is arranged in S5 in the vacuum pipe (1), and makes the bottom of the interior pedestal (6) and the vacuum tube
Road (1) inner wall fits, and the interior pedestal (6) matches to form combined support fixed structure with the U-shaped beam (2), by lightweight
The vacuum pipe (1) fixed Combination support fixed structure in, and vacuum pipe is evacuated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811242826.3A CN109334682A (en) | 2018-10-24 | 2018-10-24 | A kind of light vacuum conduit traffic system and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242826.3A CN109334682A (en) | 2018-10-24 | 2018-10-24 | A kind of light vacuum conduit traffic system and its construction method |
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ID=65311767
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| CN201811242826.3A Pending CN109334682A (en) | 2018-10-24 | 2018-10-24 | A kind of light vacuum conduit traffic system and its construction method |
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| CN110307999A (en) * | 2019-06-28 | 2019-10-08 | 盾构及掘进技术国家重点实验室 | A kind of Roughing line experimental provision for levitated transport |
| CN110341727A (en) * | 2019-05-31 | 2019-10-18 | 衡水益通管业股份有限公司 | Rectangle communications and transportation vacuum tunnel |
| CN112709251A (en) * | 2020-12-24 | 2021-04-27 | 西京学院 | Integral type seabed vacuum pipeline pile foundation cushion cap structure |
| CN112709250A (en) * | 2020-12-24 | 2021-04-27 | 西京学院 | Be favorable to reducing seabed vacuum pipeline pile foundation cushion cap structure of buoyancy |
| CN113152168A (en) * | 2020-01-07 | 2021-07-23 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | U-shaped double-line vacuum pipeline beam |
| WO2022156092A1 (en) * | 2021-01-19 | 2022-07-28 | 西京学院 | Pre-tension seabed vacuum pipeline structure and stretching method therefor |
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