CN209053635U - FRP bellows constructing tunnel pipe for escaping - Google Patents
FRP bellows constructing tunnel pipe for escaping Download PDFInfo
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- CN209053635U CN209053635U CN201821675271.7U CN201821675271U CN209053635U CN 209053635 U CN209053635 U CN 209053635U CN 201821675271 U CN201821675271 U CN 201821675271U CN 209053635 U CN209053635 U CN 209053635U
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- frp
- pipe
- bellows
- escaping
- tube wall
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Abstract
The utility model discloses a kind of FRP bellows constructing tunnel pipe for escaping, are made of FRP bellows segment through the connection of its pipe end FRP flange plate bolt；The tube wall of the FRP bellows segment is the trapezoidal corrugated pipe wall of FRP, and the trapezoidal corrugated pipe wall of FRP is made of the wave crest outer tube wall and trough inner tubal wall and oblique wave tube wall connecting the two for along pipe being axially in discontinuous form cylindrical surface；The FRP ring flange is coplanar with the outer tube wall cylindrical surface of FRP bellows.The utility model passes through the optimum organization of FRP material and trapezoidal bellows fashion, keep FRP bellows constructing tunnel pipe for escaping structure not only light but also strong, function is not only rigid but also soft and bearing, connection are not only simple but also good, existing pipe for escaping can be eliminated from great, flexible poor, pipe end connection complexity and the defect of bearing, connection effect difference, and increase pipeline strength and it is flexible on the basis of, safe clearance in the service life and pipe of pipeline is improved, reduction pipeline impact vibration noise and the impact for managing interior personnel are frightened.
Description
Technical field
The utility model belongs to the safety for tunnel engineering technical field of Tunnel Engineering.The utility model is vcehicular tunnel and iron
Road constructing tunnel provides a kind of fibre reinforced composites (Fiber for being resistant to high-altitude rock-fall impact and landslide burial weight
Reinforced Polymer, FRP) bellows constructing tunnel pipe for escaping, it is expected that being replaced with it existing from great, flexible
Difference, pipe end connection complexity and bearing, the steel of connection effect difference, polyethylene, the escape of fiberglass sand inclusion material tubular type constructing tunnel
Pipeline reduces carrying, installation difficulty and the cost of pipeline, increases the elastic foundation bearing that pipeline adapts to the uneven ground in tunnel
Effect and the free cornering ability of three-dimensional, and the impact for improving pipeline is flexible, recoverable force elasticity, anti-repeated impacts damage capability and
Safe clearance in managing after impact, the impact psychology for reducing escape personnel in the impact vibration noise and pipe of pipeline is frightened, thus entirely
" safety ", " practicability " and " economy " of face riser tubing.
Background technique
Existing steel, polyethylene, fiberglass sand inclusion material tubular type constructing tunnel pipe for escaping are elastoplasticity or bullet brittleness material
The pipeline of material, firm form tube segment and connector.They pass through the plastic deformation of steel pipe and polyethylene pipe, FRP sand tube
The impact energy of brittle break absorption falling rocks and the weight for resisting the native stone that caves in, impacted by the ring stiffness guarantee pipeline of three,
Safe clearance in pipe after weight can provide for construction personnel when falling rocks and cave in accident occur for constructing tunnel and hide falling rocks
Impact, the survival space that landslide is buried and the escape route voluntarily climbed out of.
Steel, polyethylene, fiberglass sand inclusion material tubular type constructing tunnel pipe for escaping, though it is avoided that or reduces constructing tunnel
The casualties of falling rocks and cave in accident occurs, but exists from great, flexible poor, pipe end connection complexity and bearing, connection effect
The structure of difference, functional defect use its engineering therefore by many restrictions and adverse effect.
Steel, polyethylene, fiberglass sand inclusion material tubular type constructing tunnel pipe for escaping are from great, pipe end connection is complicated and props up
It holds, restriction and influence caused by the structure of connection effect difference, functional defect, first is that onsite moving caused by self weight of pipeline is big, peace
The use for filling difficulty and increased costs restricts；Second is that the bearing of pipe shaft section caused by flange plate pipeline pipe end bolt connecting mode is outstanding
Adverse effect of the sky to pipeline stress and vibration damping；Third is that adding chain without firm straight, the bent sub anchor ear of flange coil pipe road pipe end or socket joint
Link cost caused by item or turnbuckle connect mode drawing is high, joint tighness is poor, the influence of entirety stress difference and
It restricts, its engineering is made to use the flaw that therefore there is " not handy " and " uneconomical ".
The structure of the flexible difference of steel, polyethylene, fiberglass sand inclusion material tubular type constructing tunnel pipe for escaping, functional defect are made
At restriction and influence, first is that the firm form segment of pipeline and connector bring be unable to three-dimensional freely turn adapt to tunnel bumps not
The use of plane earth restricts；Second is that without buffering energy dissipating, high vibration noise and easily caused by duct segments and the flexible difference of connector impact
Plasticity, the adverse effect of brittleness impact failure bear repeated impacts effect not only bad for pipeline, and are unfavorable for eliminating and subtract
The impact psychology of escape personnel is frightened in education and correction for juvenile offenders, it is made to use denouncing therefore and in the presence of " not handy " and " not safe ".
More than application No. is 201520046366.2 and application No. is existing in 201610020915.8 public technology
Defect, and not only dead load is big for double-wall corrugated pipe, but also bearing needs fixed bracket, is neither easily installed and turns with three-dimensional,
Also it is unfavorable for stress and impact damper system.
Summary of the invention
The purpose of this utility model is to research and develop a kind of FRP bellows constructing tunnel pipe for escaping, retain it can existing
There are three types of the emergency escape modes of the anti-falling rocks of pipeline and landslide impact, weight, and can eliminate it and connect from great, flexible poor, pipe end
Connect " not handy ", " uneconomical " and " not safe " defect caused by complicated and bearing, connection effect difference, moreover it is possible to hold increasing pipeline
On the basis of load intensity and impact are flexible, safe clearance in the service life of the anti-repeated impacts of pipeline and the pipe after impact is improved,
The impact psychology of escape personnel is frightened in reducing the noise of pipeline impact vibration and managing, thus General Promotion constructing tunnel escape tube
Safety, practicability and the economy in road.
Structure provided by the utility model is not only light but also strong, function is not only rigid but also soft and supports, connects not only letter but also good FRP bellows
Type constructing tunnel pipe for escaping, is able to achieve above-mentioned purpose.
The technical solution adopted in the utility model is: a kind of FRP bellows constructing tunnel pipe for escaping, by several standards
The FRP bellows segment of length segment and/or nonstandard length segment is assembled into through its pipe end FRP flange plate bolt；It is described
The tube wall of FRP bellows segment is the trapezoidal corrugated pipe wall of FRP, and the trapezoidal corrugated pipe wall of FRP is by being axially in discontinuous form circle along pipe
The wave crest outer tube wall and trough inner tubal wall of cylinder and oblique wave tube wall connecting the two composition.The FRP method of the FRP bellows segment
Blue disk is that flange excircle circumferential surface is coplanar with bellows wave crest outer tube wall cylindrical surface and method of the flange annulus equipped with multiple bolts hole
Blue disk.
FRP bellows constructing tunnel pipe for escaping provided by the utility model is low-density, low modulus, high intensity, height
Elongation at break and perfect elasticity and viscoelastic FRP material and it not only can be reduced pipe thickness and tube wall impact carrying can be increased
Rigidity, can also novel tunnel made of the bellows structure form optimum organization of axial and circumferential Free Transform construct escape tube
Road.
Specifically, FRP bellows constructing tunnel pipe for escaping provided by the utility model has the following beneficial effects:
1, pipeline has not only light but also strong effect structure
FRP low-density (density≤18kN/m3), high-intensitive (hoop tensile strength >=400MPa) material and thin-wall corrugated tube
The optimum organization of form (the trapezoidal corrugated pipe wall of FRP) can make FRP bellows constructing tunnel pipe for escaping obtain not only light but also strong
Effect structure.Both can exponentially reduce as a result, pipeline dead load (weigh about 40kg/m certainly, than steel pipe self weight be reduced by about 4 times,
It is reduced by about 1 times than polyethylene, the self weight of fiberglass sand inclusion material round tube), to reduce the difficulty and cost of pipeline field installation；Again
The ability that the anti-repeated impacts of pipeline are destroyed can be significantly increased, to increase the service life under pipe design load action, finally
Improve safety, practicability and the economy of constructing tunnel pipe for escaping all accordingly.
2, pipeline has not only rigid but also soft functional effect
The low modulus of FRP (tensile modulus of elasticity≤10GPa), low wave impedance (≤4.2MPas/m, 9 times about lower than steel),
High elongation at tear (>=10%, than polyethylene, high 1 times of fiberglass sand inclusion material or more), perfect elasticity and viscoelastic material with
Ring stiffness lower than same diameter, with wall thickness round tube but tube wall rigidity be higher than same diameter, with wall thickness round tube and can axial direction and circumferential direction it is free
The optimum organization of the bellows fashion of deformation can make FRP bellows constructing tunnel pipe for escaping obtain not only rigid but also soft function
Effect.It is net to increase safety in the pipe after pipeline impacts for the blastic deformation for both reducing tube wall using the tube wall rigidity of increase as a result,
Sky, to increase the comfort level of creeping of escape personnel in pipe；The axial direction of the ring stiffness and corrugated pipe wall that reduce again using pipeline,
Circumferential Free Transform, the impact for greatly improving duct segments and connector is flexible, increases the deformation energy dissipating and vibration and noise reducing effect of pipeline
Fruit, so that the impact psychology for reducing escape personnel in pipe is frightened；Also freely become using duct segments and the axial, circumferential of connector
Shape, enhancing pipeline adapts to the free cornering ability of three-dimensional on the uneven ground in tunnel automatically, to be further reduced pipeline field
The difficulty and cost of installation；Finally further increase safety, practicability and the economy of constructing tunnel pipe for escaping accordingly.
3, pipeline has not only letter but also good bearing, connection effect
The coplanar supporting form of tube wall, ring flange and the hard and soft phase of pipe end of FRP high intensity, high flexibility material and FRP bellows
The optimum organization for connection type of helping can make FRP bellows constructing tunnel pipe for escaping obtain not only letter but also good bearing, connection effect
Fruit.As a result, both using the geometric space and rigid flange disk and flexible tube wall composition between pipe end flange disk and oblique wave tube wall
Pipe end is tempered toughness with gentleness connection type, realizes bolted simple, the quickly connection of pipe end flange disk, obtain pipe end be connected firmly,
Good seal performance and ring flange and tube wall deformation are coordinated, pipe end stress concentrates reduced connection effect；Again using bellows
Axial, the circumferential Free Transform of the wave crest outer tube wall cylindrical surface shape coplanar with pipe end flange outer circumference surface and bellows is realized
The elastic foundation beam support of ring flange and outer tube wall on the uneven ground in tunnel obtains and is conducive to pipeline stress and vibration damping
Reasonable support effects improve safety, practicability and the economy of constructing tunnel pipe for escaping further accordingly.Wave
Improve the comfort level of the construction personnel to creep in pipe for escaping in paddy inner tubal wall cylindrical surface.
Detailed description of the invention
Fig. 1 is the elevation of FRP bellows constructing tunnel pipe for escaping；
Fig. 2 is the sectional elevation of FRP bellows constructing tunnel pipe for escaping；
Fig. 3 is the FRP wave crest outer tube wall cross section of the FRP bellows segment of FRP bellows constructing tunnel pipe for escaping
Figure；
Fig. 4 is the FRP trough inner tubal wall cross section of the FRP bellows segment of FRP bellows constructing tunnel pipe for escaping
Figure；
Fig. 5 is the FRP ring flange drawing in side sectional elevation of the FRP bellows segment of FRP bellows constructing tunnel pipe for escaping；
Fig. 6 is the trapezoidal tube wall drawing of FRP of the FRP bellows segment of FRP bellows constructing tunnel pipe for escaping；
Fig. 7 is that the FRP ring flange connecting portion of the FRP bellows segment of FRP bellows constructing tunnel pipe for escaping is big
Master drawing；
In figure: 1, FRP bellows segment, 2, FRP ring flange connection bolt, the trapezoidal corrugated pipe wall of 1-1, FRP, 1-2, FRP
Ring flange, 1-1-1, FRP wave crest outer tube wall, 1-1-2, FRP trough inner tubal wall, 1-1-3, FRP oblique wave tube wall, 1-2-1, bolt
Hole.
Specific embodiment
Embodiment, such as 1~attached drawing of attached drawing 7, a kind of FRP bellows constructing tunnel pipe for escaping is several full-lengths
The FRP bellows segment 1 of segment and (or) nonstandard length segment assembles into institute through its pipe end FRP ring flange connection bolt 2
Need the assembled pipe for escaping of length.The FRP bellows segment 1 is the trapezoidal corrugated pipe wall 1-1 of flexibility FRP and rigidity FRP method
The type bellows segment of tempering toughness with gentleness of blue disk 1-2 composition.The trapezoidal corrugated pipe wall 1-1 of the FRP of the FRP bellows segment 1 is edge
Pipe is axially in FRP wave crest outer tube wall 1-1-1 and FRP the trough inner tubal wall 1-1-2 and FRP connecting the two on discontinuous form cylindrical surface oblique
The continuous wave pattern tube wall of wave duct wall 1-1-3 composition.The FRP ring flange 1-2 of the FRP bellows segment 1 is flange excircle circumferential surface
And flange annulus coplanar with the wave crest cylindrical surface outer tube wall 1-1-1 FRP thicken and be equipped with multiple bolt hole 1-2-1 rigid connection and
Coplanar support type ring flange.
This structure type, structure function and bearing, connection type FRP bellows constructing tunnel pipe for escaping, according to
It can be reduced by low-density, low modulus, high intensity, high elongation at tear and perfect elasticity and viscoelastic FRP material and both tube wall
Thickness, can increase again tube wall impact load-bearing rigidity, can also axial and circumferential Free Transform bellows structure form optimization group
It closes, in addition the beam on elastic foundation support pattern that simple bolt connecting mode and flange, the outer tube wall of its pipe end flange disk are coplanar, makes
It can retain it is existing there are three types of the anti-falling rocks of pipeline and landslide impact, weight emergency escape mode and eliminate it from great, soft
Property " not handy ", " uneconomical " and " not safe " defect caused by the connection of poor, pipe end is complicated and bearing, connection effect difference, moreover it is possible to
The service life for improving the anti-repeated impacts of pipeline on the basis of increasing pipeline bearing strength and impacting flexible and the pipe after impact
Interior safe clearance, the impact psychology for reducing escape personnel in the noise and pipe of pipeline impact vibration is frightened, thus General Promotion tunnel
Safety, practicability and the economy of road construction pipe for escaping.
Above embodiments, only preferred embodiments of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the principle of this utility model, those modify to the technical solution of the utility model or
The content of person's equivalent replacement should all cover in the rights protection scope of the utility model.
Claims (2)
1. a kind of FRP bellows constructing tunnel pipe for escaping, it is characterised in that: the FRP bellows constructing tunnel escape
Pipeline is made of FRP bellows segment through the connection of its pipe end FRP flange plate bolt；The tube wall of the FRP bellows segment is FRP
Trapezoidal corrugated pipe wall, the trapezoidal corrugated pipe wall of FRP by be axially in along pipe discontinuous form cylindrical surface wave crest outer tube wall and trough in
Tube wall and oblique wave tube wall connecting the two composition.
2. FRP bellows constructing tunnel pipe for escaping as described in claim 1, it is characterised in that: the FRP bellows segment
Pipe end FRP ring flange, be that flange excircle circumferential surface is coplanar with bellows wave crest outer tube wall cylindrical surface and flange annulus is equipped with more
The ring flange of a bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675271.7U CN209053635U (en) | 2018-10-16 | 2018-10-16 | FRP bellows constructing tunnel pipe for escaping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675271.7U CN209053635U (en) | 2018-10-16 | 2018-10-16 | FRP bellows constructing tunnel pipe for escaping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209053635U true CN209053635U (en) | 2019-07-02 |
Family
ID=67050618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821675271.7U Expired - Fee Related CN209053635U (en) | 2018-10-16 | 2018-10-16 | FRP bellows constructing tunnel pipe for escaping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209053635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513143A (en) * | 2019-08-12 | 2019-11-29 | 天津润木科技有限公司 | A kind of high-intensitive pipe for escaping being easy to lift |
-
2018
- 2018-10-16 CN CN201821675271.7U patent/CN209053635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513143A (en) * | 2019-08-12 | 2019-11-29 | 天津润木科技有限公司 | A kind of high-intensitive pipe for escaping being easy to lift |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20201016 |