CN209509146U - A kind of cover board for railway tunnel - Google Patents
A kind of cover board for railway tunnel Download PDFInfo
- Publication number
- CN209509146U CN209509146U CN201822188844.XU CN201822188844U CN209509146U CN 209509146 U CN209509146 U CN 209509146U CN 201822188844 U CN201822188844 U CN 201822188844U CN 209509146 U CN209509146 U CN 209509146U
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- cover board
- gusset
- main body
- body panel
- connector
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Abstract
The utility model provides a kind of cover board 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 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 utility model relates to railway tunnel construction fields, and in particular, to a kind 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.
Utility model content
For technical problem as described above, the utility model is directed to a kind of cover board for railway tunnel, the lid
Plate is made of graphene fiber enhancing composite material, and is formed by mould pressing process, simple structure and convenient processing, manufacture
It is at low cost, light-weight to be easy to transport.Meanwhile the cover board by be arranged reinforcing rib make it have structural strength is high, support stiffness is strong,
The advantages that load-bearing capacity is strong, long service life.In addition, the cover board carries out installation connection, Neng Gouyou by mutual pressure type lap joint
Effect improves the installation connection between adjacent cover board, improves the installation effectiveness of cover board.It is sealed in addition, being formed in cover board junction,
It can effectively ensure that the stability and leakproofness of cover board connection, to reduce the groove that impurity enters under cover board, and then effectively
Reduce tunnel defect problem.
For this purpose, proposing a kind of cover board for railway tunnel, comprising: be configured to the master of rectangle according to the utility model
Honorable plate；Reinforcing rib in the main body panel is set, and the reinforcing rib includes several arranged in a crossed manner in the main body panel
The first gusset and the second gusset on one side；Wherein, the cover board both ends are respectively equipped with the first connector and the second connector, phase
Connection is formed 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.
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.
In a preferred embodiment, pre-buried spiral shell is equipped in the crossover location of first gusset and second gusset
Mother, the damp proof insulation baffle and the fireproof thermal-insulation layer are fixed to the reinforcing rib by screw and embedded nut fastening
On.
Detailed description of the invention
The utility model is illustrated below with reference to accompanying drawings.
Fig. 1 shows the stereochemical structure of the cover board according to the present utility model 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 principles of the present invention, and not
It is drawn to scale.
Specific embodiment
The utility model 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 utility model is for being mounted on groove
Top is 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 utility model for railway tunnel.As shown in Figure 1, lid
Plate 100 includes main body panel 110.Main body panel 110 constructs rectangular.In one embodiment, main body panel 110 uses graphite
Alkene 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 utility model, the length of main body panel 110 is disposed in the range of 700-1000mm, width setting
At in the range of 400-600mm, thickness is disposed in the range of 50-60mm.In a preferred embodiment, main
The length of honorable plate 110 is set as 800mm, width is set as 400mm, thickness is set as 55mm.This ruler of main body panel 110
The very little support performance more particularly to which main body panel is effectively ensured, and strong applicability, convenient processing and manufacture.
According to the utility model, reinforcing rib 120 is equipped in the one side of main body panel 110.As illustrated in fig. 1 and 2, reinforcing rib
120 include several the first gussets 121 and the second gusset 122 arranged in a crossed manner in main body panel 110.Reinforcing rib 120 can have
The support strength of effect enhancing cover board 100, enhances the load-bearing of cover board 100, to improve cover board to the supportive of railway tunnel
It can be with 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 utility model, the spacing of the first laterally adjacent gusset 121 is arranged
For in the range of 40-60mm, the spacing of the second longitudinally adjacent gusset 122 is arranged in the range of 40-60mm.The
This distributed architecture of one gusset 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 utility model, the thickness of the first gusset 121 and the second gusset 122 is disposed as the range in 3-5mm
It is interior, and the height of the first gusset 121 and the second gusset 122 is arranged in the range of 45-50mm.First gusset 121 and
This size of two gussets 122 can effectively enhance the structural strength of cover board 100, and can effectively ensure that the branch of cover board 100
Support rigidity.
According to the utility model, the both ends of cover board 100 are respectively equipped with the first connector 101 and the second connector 102, adjacent
Cover board 100 between by the first connector 101 and the second connector 102 adaptation installation formed connection.As shown in Figure 1, first
Connector 102 is configured to positive step lap joint, and the second connector 102 is configured to and can fit with 102 phase of the first connector
The negative step shape lap joint matched.This jointing structure of cover board 100 keeps its laying construction convenient and efficient, effectively increases
The installation effectiveness of cover board 100, 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 utility model, the structure of the reinforcing rib 120 of cover board 100 makes cover board 100 have good structural strength,
It is 6KN that it, which bears load,.
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 utility model, damp proof insulation baffle is equipped with (not at the back side of cover board 100
Show), 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 stone
Black alkene fibre reinforced composites are made, and it is formed by mould pressing process.In one embodiment, the thickness of damp proof insulation baffle is set
It is set to 2mm.Damp proof insulation baffle can effectively prevent thermal insulation material to lose heat insulating ability because of dampness, to guarantee the heat preservation of cover board 100
Performance effectively reduces 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.
The installation procedure of brief description cover board 100.It should be noted that in a pre-installation to the ditch for needing to install cover board 100
Impurity cleaning is carried out at groove location, and the flatness on the groove top of cover board installation point is adjusted.In one embodiment,
Mortar levelling can be used, to reach cover board installation requirement.Later, cover board 100 is successively placed, and is guaranteed in the transverse direction of cover board 100
Heart line is aligned with the cross central line of groove, wherein adjacent cover board 100 passes through corresponding first connector 121 and the second connector
122 adaptation overlap joints, it is preferable that the lap of splice is not less than the 90% of joint length.Later, check that the cover board 100 installed pushes up
The flatness in face, to single angle position adjustment is carried out at out-of-flatness, to complete the installation of cover board 100.
Cover board 100 according to the present utility model for railway tunnel uses graphene fiber to enhance composite material system
At, and 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
There is the advantages that structural strength is high, and support stiffness is strong, and load-bearing capacity is strong, long service life.In addition, cover board 100 uses positive step
The connection structure of lap joint and the mutual pressure type of negative step shape lap joint improves the stability and leakproofness of the connection of cover board 100,
To reduce the groove that impurity enters under cover board, tunnel defect problem is effectively reduced.100 structure of cover board is simple, processing system
It makes conveniently, manufacturing cost is low, and 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 utility model, do not constitute to this
Any restrictions of utility model.Although the utility model is described in detail referring to foregoing embodiments, for
For those skilled in the art, it can still modify to technical solution documented by previous embodiment, or to wherein
Some technical characteristics are equivalently replaced.Within the spirit and principle of the utility model, it is made it is any modification, equally replace
It changes, improve, should be included within the scope of protection of this utility model.
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.
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. cover board according to claim 8 or claim 9, which is characterized in that in the friendship of first gusset and second gusset
Vent has installed embedded nut, the damp proof insulation baffle and the fireproof thermal-insulation layer and has been fastened admittedly by screw and the embedded nut
Determine onto the reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188844.XU CN209509146U (en) | 2018-12-25 | 2018-12-25 | A kind of cover board for railway tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188844.XU CN209509146U (en) | 2018-12-25 | 2018-12-25 | A kind of cover board for railway tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209509146U true CN209509146U (en) | 2019-10-18 |
Family
ID=68197062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822188844.XU Active CN209509146U (en) | 2018-12-25 | 2018-12-25 | A kind of cover board for railway tunnel |
Country Status (1)
| Country | Link |
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| CN (1) | CN209509146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440909A (en) * | 2018-12-25 | 2019-03-08 | 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 and its installation method for railway tunnel |
-
2018
- 2018-12-25 CN CN201822188844.XU patent/CN209509146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109440909A (en) * | 2018-12-25 | 2019-03-08 | 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 and its installation method for railway tunnel |
| CN109440909B (en) * | 2018-12-25 | 2024-03-01 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Cover plate for railway tunnel and installation method thereof |
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