CN109440909A - A kind of cover board and its installation method for railway tunnel - Google Patents
A kind of cover board and its installation method for railway tunnel Download PDFInfo
- Publication number
- CN109440909A CN109440909A CN201811591874.3A CN201811591874A CN109440909A CN 109440909 A CN109440909 A CN 109440909A CN 201811591874 A CN201811591874 A CN 201811591874A CN 109440909 A CN109440909 A CN 109440909A
- Authority
- CN
- China
- Prior art keywords
- cover board
- gusset
- connector
- main body
- body panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 230000006978 adaptation Effects 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- -1 graphite Alkene Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention provides a kind of cover boards for railway tunnel characterized by comprising is configured to the main body panel of rectangle；Reinforcing rib in the main body panel is set, and the reinforcing rib includes several the first gusset and the second gusset arranged in a crossed manner in the main body panel one side；Wherein, the cover board both ends are respectively equipped with the first connector and the second connector, are formed and are connected by first connector and the adaptation installation of the second connector between the adjacent cover board.The present invention also provides a kind of installation methods of cover board for railway tunnel.The cover board has many advantages, such as that structural strength is high, support stiffness is strong, load-bearing capacity is strong, long service life, easy for installation, and installation effectiveness is high.
Description
Technical field
The present invention relates to railway tunnel construction fields, and in particular, to a kind of cover board for railway tunnel.The present invention is also
It is related to a kind of installation method of cover board for railway tunnel.
Background technique
In the two sides of railway tunnel, equipped with for cable laying cable trough and for the groove of draining.Generally for protection
Cable is equipped with cover board on cable trough, while in order to guarantee the unimpeded of groove, avoiding sundries from entering groove, also setting on groove
There is cover board.
However, in the existing cover board for railway tunnel, it is usually in the majority with reinforced concrete cover plate.Armored concrete
Cover board has the disadvantages such as big weight, easy to damage, poor thermal insulation property, the poor, globality poor of leakproofness.And when cover board goes wrong
When, will cause tunnel groove blocking, impeded drainage, injury to personnel and engineering machinery damage etc. influence, in turn result in substrate sink,
Railway roadbed ice influences the secondary disasters such as operation.In addition, existed concrete bridge cover board is since weight is big and easy to damage, in the construction process,
A large amount of manpowers are occupied, and installation effectiveness is low, later maintenance cost is high.
Summary of the invention
For technical problem as described above, the present invention is directed to propose a kind of cover board for railway tunnel, the cover board are adopted
It is made, and is formed by mould pressing process, simple structure and convenient processing, manufacturing cost of graphene fiber enhancing composite material
It is low, light-weight.And the cover board makes it have that structural strength is high, support stiffness is strong, load-bearing capacity is strong, use by the way that reinforcing rib is arranged
The advantages that service life is long.In addition, the cover board carries out installation connection by mutual pressure type lap joint, can effectively improve adjacent cover board it
Between installation connection, improve the installation effectiveness of cover board.It is sealed in addition, being formed in cover board junction, can effectively ensure that cover board
The stability and leakproofness of connection to reduce the groove that impurity enters under cover board, and then effectively reduce tunnel defect and ask
Topic.
For this purpose, according to a first aspect of the present invention, proposing a kind of cover board for railway tunnel, comprising: be configured to rectangle
Main body panel；Reinforcing rib in the main body panel is set, and the reinforcing rib includes several arranged in a crossed manner in the main body
The first gusset and the second gusset in panel one side；Wherein, the cover board both ends are respectively equipped with the first connector and the second connection
Head forms connection by first connector and the adaptation installation of the second connector between the adjacent cover board.
In a preferred embodiment, first connecting joint structure connects at positive step lap joint, described second
Joint construction passes through the positive step lap joint and the negative step at negative step shape lap joint, the adjacent cover board
The adaptation pressing of shape lap joint forms connection.
In a preferred embodiment, first gusset is vertically arranged with second gusset, and first muscle
Plate longitudinally extends along the main body panel and horizontally evenly-spaced distribution, second gusset are horizontal along the main body panel
To extension and evenly-spaced distribution in the longitudinal direction.
In a preferred embodiment, the spacing of adjacent first gusset is set as 40-60mm, and adjacent is described
The spacing of second gusset is set as 40-60mm.
In a preferred embodiment, the thickness of first gusset and second gusset is disposed as 3-5mm, and
Height is disposed as 45-50mm.
In a preferred embodiment, the receiving load of the cover board is not less than 6KN.
In a preferred embodiment, it is kept off in the end face opposite with the main body panel of the reinforcing rib equipped with damp proof insulation
Plate, the damp proof insulation baffle are made of graphene fiber enhancing composite material.
In a preferred embodiment, fireproof thermal-insulation layer is equipped between the reinforcing rib and the damp proof insulation baffle.
In a preferred embodiment, the fireproof thermal-insulation layer uses rock wool layer, and the thickness setting of the rock wool layer
For not less than 20mm.
According to the second aspect of the invention, a kind of installation method of cover board as described above is provided, comprising the following steps:
The groove of cover board installation point is cleared up, and flatness adjustment is carried out to the groove top；
The cover board is successively placed, and guarantees the cross central line of the cover board and the cross central line pair of the groove
Together, wherein the adjacent cover board is overlapped by corresponding first connector and second connection adapters, and length is overlapped
Degree is not less than the 90% of joint length；
The flatness for checking the cover board top surface installed, to the single angle position adjustment of progress at out-of-flatness.
Detailed description of the invention
The present invention will be described below with reference to accompanying drawings.
Fig. 1 shows the stereochemical structure of the cover board according to the present invention for railway tunnel.
Fig. 2 shows the distributed architecture of one embodiment of the ribs in cover board shown in FIG. 1
Fig. 3 shows the connection structure of two adjacent cover boards as shown in Figure 1.
In this application, all attached drawings are schematical attached drawing, are merely to illustrate the principle of the present invention, and not by real
Border ratio is drawn.
Specific embodiment
The present invention is introduced below by attached drawing.
In this application, it should be noted that direction definition when installing cover board along tunnel extension is " longitudinal direction ", will be covered
The direction definition vertical with tunnel extending direction of plate is " transverse direction ".
In Concerning Railway Tunnel Construction, it is equipped in the two sides of railway tunnel for cable laying and for the groove of draining.These
Groove is configured to long bar ditch, and the specification of groove be it is fixed, cover board according to the present invention is used to be mounted on the top of groove
To cover groove.To reduce the groove that impurity enters under cover board, and then effectively reduce tunnel defect problem.
Fig. 1 shows the stereochemical structure of the cover board 100 according to the present invention for railway tunnel.As shown in Figure 1, cover board
100 include main body panel 110.Main body panel 110 constructs rectangular.In one embodiment, main body panel 110 uses graphene
Fibre reinforced composites are made, and wherein graphene fiber enhances composite material by graphene in resin and fiber composite
At, and pass through the combination process processing and forming of high temperature and pressure.100 structural strength of main body panel is high, has excellent chemically-resistant
Performance, can be suitable for the various different medium environment such as acid, alkali, salt, so that cover board 100 has very strong applicability.
In addition, main body panel 110 is made of graphene fiber enhancing composite material, the service life of cover board 100 is effectively extended.
According to the present invention, the length of main body panel 110 is disposed in the range of 700-1000mm, and width is arranged to locate
In the range of 400-600mm, thickness is disposed in the range of 50-60mm.In a preferred embodiment, main surface
The length of plate 110 is set as 800mm, width is set as 400mm, thickness is set as 55mm.This size of main body panel 110 is outstanding
It can effectively ensure that the support performance of main body panel, and strong applicability, convenient processing and manufacture.
According to the present invention, reinforcing rib 120 is equipped in the one side of main body panel 110.As illustrated in fig. 1 and 2, reinforcing rib 120
Including several the first gussets 121 and the second gusset 122 arranged in a crossed manner in main body panel 110.Reinforcing rib 120 can effectively increase
The support strength of strong cover board 100, enhances the load-bearing of cover board 100, thus improve cover board to the support performance of railway tunnel and
The rigidity of cover board.
In the embodiment depicted in figure 2, the first gusset 121 and the second gusset 122 are vertically arranged, and the first gusset 121 is along master
The longitudinal direction of honorable plate 110 extends and horizontally evenly-spaced distribution, and the second gusset 122 is along the transverse direction side of main body panel
To extension and evenly-spaced distribution in the longitudinal direction.According to the present invention, the spacing of the first laterally adjacent gusset 121 is set as locating
In the range of 40-60mm, the spacing of the second longitudinally adjacent gusset 122 is arranged in the range of 40-60mm.First muscle
This distributed architecture of plate 121 and the second gusset 122 can effectively enhance support strength and the load-bearing of cover board 100, effectively improve
The rigidity of cover board.
In a unshowned embodiment, the first gusset 121 can also be in the second gusset 122 and the first gusset 121
Certain angle setting.This distributed architecture of first gusset 121 and the second gusset 122 equally can effectively enhance cover board 100
Support strength and load-bearing effectively improve the rigidity of cover board.
According to the present invention, the thickness of the first gusset 121 and the second gusset 122 is disposed as in the range of 3-5mm, and
The height of first gusset 121 and the second gusset 122 is arranged in the range of 45-50mm.First gusset 121 and the second gusset
122 this size can effectively enhance the structural strength of cover board 100, and can effectively ensure that the support stiffness of cover board 100.
According to the present invention, the both ends of cover board 100 are respectively equipped with the first connector 101 and the second connector 102, adjacent lid
Connection is formed by the first connector 101 and the adaptation installation of the second connector 102 between plate 100.As shown in Figure 1, the first connection
First 102 are configured to positive step lap joint, the second connector 102 be configured to can be compatible with the first connector 102
Negative step shape lap joint.This jointing structure of cover board 100 keeps its laying construction convenient and efficient, effectively increases cover board
100 installation effectiveness, and can effectively ensure that the stability and leakproofness connected between cover board 100.
Fig. 3 shows the connection structure of two adjacent cover boards 100.Two adjacent cover boards 100 pass through the first connector
101 and second connector 102 adaptation pressing installation, to connect two adjacent cover boards 100.In one embodiment, adjacent
The lap-joint of cover board 100 do encapsulation process.This of two adjacent cover boards 100 uses positive step lap joint as a result,
With the connection structure of the mutual pressure type of negative step shape lap joint, stability and the sealing of the connection between cover board 100 has been effectively ensured
Property, the sealing performance of enhancing cover board 100 effectively reduces tunnel defect and asks to reduce the groove that impurity enters under cover board
Topic.In addition, making the laying construction of cover board 100 convenient and efficient, the installation effectiveness of cover board 100 is significantly improved.
According to the present invention, the structure of the reinforcing rib 120 of cover board 100 makes cover board 100 have good structural strength, holds
It is loaded to be not less than 6KN.
When installation, the face-up installation for being not provided with reinforcing rib 120 of cover board 100, and the back side (main body panel of cover board 100
110 face equipped with reinforcing rib 120) it installs downward.According to the present invention, damp proof insulation baffle is equipped at the back side of cover board 100 (not show
Out), damp proof insulation baffle plate setting is in the end face opposite with main body panel 110 of reinforcing rib 120.Preferably, damp proof insulation baffle uses graphite
Alkene fibre reinforced composites are made, and it is formed by mould pressing process.In one embodiment, the thickness setting of damp proof insulation baffle
For 2mm.Damp proof insulation baffle can effectively prevent thermal insulation material to lose heat insulating ability because of dampness, to guarantee the heat insulating ability of cover board 100
Can, effectively reduce tunnel defect problem.
In the present embodiment, fireproof thermal-insulation layer (not shown) is equipped between main body panel 110 and damp proof insulation baffle.It is preferred that
Ground, fireproof thermal-insulation layer uses rock wool layer, and the thickness of rock wool layer is arranged to not less than 20mm.Fireproof thermal-insulation layer can effectively be prevented
Fire effectively increases the fire protecting performance of railway tunnel.
In one embodiment, in the crossover location in the first gusset 121 and the second gusset 122 at 100 back side of cover board
Equipped with embedded nut (not shown), damp proof insulation baffle and fireproof thermal-insulation layer are fastened by screw and embedded nut, to be fixed on lid
The back side of plate 100.
According to the present invention, a kind of installation method of cover board 100 for railway tunnel is additionally provided.
Firstly, to impurity cleaning is carried out at the grooved position for needing to install cover board 100, and to the trench top of cover board installation point
The flatness at end is adjusted.In one embodiment, mortar levelling can be used, to reach cover board installation requirement.Later, successively
Cover board 100 is placed, and guarantees that the cross central line of cover board 100 is aligned with the cross central line of groove, wherein adjacent cover board 100
Overlap joint with the second connector 122 is adapted to by corresponding first connector 121, it is preferable that the lap of splice is not less than joint length
90%.Later, the flatness for checking 100 top surface of cover board installed, to carrying out single angle position adjustment at out-of-flatness, from
And complete the installation of cover board 100.
Cover board 100 according to the present invention for railway tunnel uses graphene fiber enhancing composite material to be made, and
It is processed by the different composite technological forming of high temperature and pressure, while being equipped with ribs 120, as a result, cover board 100 has structure
The advantages that intensity is high, support stiffness is strong, load-bearing capacity is strong, long service life.In addition, cover board 100 is connect using positive step
The connection structure of head and the mutual pressure type of negative step shape lap joint improves the stability and leakproofness of the connection of cover board 100, to subtract
Lack the groove that impurity enters under cover board, effectively reduces tunnel defect problem.100 structure of cover board is simple, convenient processing and manufacture,
Manufacturing cost is low, installation is convenient and efficient, effectively increases the installation effectiveness of cover board 100.
Finally it should be noted that the foregoing is merely the preferred embodiments of the invention, do not constitute to the present invention
Any restrictions.Although referring to foregoing embodiments, invention is explained in detail, for the technology of this field
It for personnel, can still modify to technical solution documented by previous embodiment, or to part of technical characteristic
It is equivalently replaced.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all wrap
Containing within protection scope of the present invention.
Claims (10)
1. a kind of cover board for railway tunnel characterized by comprising
It is configured to the main body panel (110) of rectangle；
Reinforcing rib (120) in the main body panel is set, and the reinforcing rib includes several arranged in a crossed manner in the main surface
The first gusset (121) and the second gusset (122) in plate one side；
Wherein, the cover board both ends are respectively equipped with the first connector (101) and the second connector (102), the adjacent cover board
Between by first connector and the second connector adaptation installation formed connection.
2. cover board according to claim 1, which is characterized in that first connecting joint structure connects at positive step
Head, second connecting joint structure are connect at negative step shape lap joint, the adjacent cover board by the positive step
Head and negative step shape lap joint adaptation pressing form connection.
3. cover board according to claim 1, which is characterized in that first gusset is vertically arranged with second gusset,
And first gusset longitudinally extends along the main body panel and horizontally evenly-spaced distribution, second gusset is along institute
Main body panel is stated to be laterally extended and evenly-spaced distribution in the longitudinal direction.
4. cover board according to claim 3, which is characterized in that the spacing of adjacent first gusset is set as 40-
The spacing of 60mm, adjacent second gusset are set as 40-60mm.
5. cover board according to claim 4, which is characterized in that the thickness of first gusset and second gusset is all provided with
It is set to 3-5mm, and height is disposed as 45-50mm.
6. according to claim 1 to cover board described in any one of 5, which is characterized in that the receiving load of the cover board is not less than
6KN。
7. cover board according to claim 1, which is characterized in that at the end opposite with the main body panel of the reinforcing rib
Face is equipped with damp proof insulation baffle, and the damp proof insulation baffle is made of graphene fiber enhancing composite material.
8. cover board according to claim 7, which is characterized in that be equipped between the reinforcing rib and the damp proof insulation baffle anti-
Fiery insulating layer.
9. cover board according to claim 8, which is characterized in that the fireproof thermal-insulation layer uses rock wool layer, and the rock wool
The thickness of layer is set as not less than 20mm.
10. one kind is according to claim 1 to the installation method of cover board described in any one of 9, which is characterized in that including following step
It is rapid:
The groove of cover board installation point is cleared up, and flatness adjustment is carried out to the groove top；
The cover board is successively placed, and guarantees that the cross central line of the cover board is aligned with the cross central line of the groove,
In the adjacent cover board overlapped by corresponding first connector and second connection adapters, and the lap of splice is not small
In the 90% of joint length；
The flatness for checking the cover board top surface installed, to the single angle position adjustment of progress at out-of-flatness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591874.3A CN109440909B (en) | 2018-12-25 | 2018-12-25 | Cover plate for railway tunnel and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591874.3A CN109440909B (en) | 2018-12-25 | 2018-12-25 | Cover plate for railway tunnel and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109440909A true CN109440909A (en) | 2019-03-08 |
| CN109440909B CN109440909B (en) | 2024-03-01 |
Family
ID=65538081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591874.3A Active CN109440909B (en) | 2018-12-25 | 2018-12-25 | Cover plate for railway tunnel and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109440909B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950853A (en) * | 2019-04-30 | 2019-06-28 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction heat preservation weight gain cover board |
| CN109962439A (en) * | 2019-04-30 | 2019-07-02 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction weight gain cover board |
| CN109980593A (en) * | 2019-04-30 | 2019-07-05 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction heat-preserving cover plate |
| CN110391632A (en) * | 2019-06-30 | 2019-10-29 | 国网山东省电力公司烟台供电公司 | A kind of telescoping cable operculum colpi plate bracing frame |
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| CN107091105A (en) * | 2017-05-25 | 2017-08-25 | 上海隧道工程有限公司 | For realizing aerial steel platform and its construction method that interchange tunnels are continuously constructed |
| CN209509146U (en) * | 2018-12-25 | 2019-10-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of cover board for railway tunnel |
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| AU2005201848A1 (en) * | 2005-05-02 | 2006-11-16 | Onesteel Reinforcing Pty Ltd | A decking sheet |
| CN104309618A (en) * | 2014-11-05 | 2015-01-28 | 南车株洲电力机车有限公司 | Car body structure of light weight railway vehicle |
| CN206099264U (en) * | 2016-10-12 | 2017-04-12 | 广东电网有限责任公司电网规划研究中心 | Cable pit overlap joint apron and special opening tool thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950853A (en) * | 2019-04-30 | 2019-06-28 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction heat preservation weight gain cover board |
| CN109962439A (en) * | 2019-04-30 | 2019-07-02 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway construction weight gain cover board |
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| CN109962439B (en) * | 2019-04-30 | 2024-05-24 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Weight-increasing cover plate for railway engineering |
| CN110391632A (en) * | 2019-06-30 | 2019-10-29 | 国网山东省电力公司烟台供电公司 | A kind of telescoping cable operculum colpi plate bracing frame |
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| Publication number | Publication date |
|---|---|
| CN109440909B (en) | 2024-03-01 |
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