CN207609427U - A kind of simple multispan formula tunnel inverted arch trestle structure - Google Patents
A kind of simple multispan formula tunnel inverted arch trestle structure Download PDFInfo
- Publication number
- CN207609427U CN207609427U CN201721462973.2U CN201721462973U CN207609427U CN 207609427 U CN207609427 U CN 207609427U CN 201721462973 U CN201721462973 U CN 201721462973U CN 207609427 U CN207609427 U CN 207609427U
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- CN
- China
- Prior art keywords
- inverted arch
- trestle
- predicament
- embarrassing situation
- truss
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- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 claims abstract description 25
- 210000005239 tubule Anatomy 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a kind of simple multispan formula tunnel inverted arch trestles, it gets out of a predicament or an embarrassing situation including having excavated, the side got out of a predicament or an embarrassing situation of having excavated is to wait excavating getting out of a predicament or an embarrassing situation, the other side got out of a predicament or an embarrassing situation of having excavated is the first inverted arch, the filling of the first inverted arch is provided with above first inverted arch, the characteristics of middle part got out of a predicament or an embarrassing situation of having excavated is provided with sub-truss, the utility model is increased for such inverted arch trestle structure across number；Advantage is to increase construction operation area with increasing across several so that inverted arch construction can carry out inter process continuous productive process；Benefit and effect are the activity duration that inverted arch construction can be made to save nearly half.
Description
Technical field
The utility model is related to technical field of bridge construction, specially a kind of simple multispan formula tunnel inverted arch trestle knot
Structure.
Background technology
Existing tunnel inverted arch trestle is mostly easy structure, and minority is single span formula structure using removable mould bases form,
Tunnel inverted arch construction need to pass through excavation of getting out of a predicament or an embarrassing situation, and → clear bottom → applies inverted arch lower part preliminary bracing → binding inverted arch reinforcing bar → to pour
Inverted arch concrete → pour the processes such as inverted arch backfill.Begin to use inverted arch trestle after excavation of getting out of a predicament or an embarrassing situation until inverted arch backfill reaches
Design strength, working procedure is more in the meantime, and working face is single, can not form continuous productive process；The single cycle time is longer, inverted arch
The utilization rate of trestle is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of simple multispan formula tunnel inverted arch trestle structures, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of simple multispan formula tunnel inverted arch stack
Bridge structure, including excavated and got out of a predicament or an embarrassing situation, the side got out of a predicament or an embarrassing situation of having excavated is to wait excavating getting out of a predicament or an embarrassing situation, and described excavated is got out of a predicament or an embarrassing situation
The other side be the first inverted arch, be provided with the filling of the first inverted arch above first inverted arch, described excavated is got out of a predicament or an embarrassing situation
Portion is provided with sub-truss, and the upper end side of the sub-truss is erected with trestle I, and the one end of trestle I far from sub-truss
It rides upon in the filling of the first inverted arch, the upper end other side of the sub-truss is erected with trestle II, the trestle II far from support
One end of truss rides upon wait excavating and get out of a predicament or an embarrassing situation on, be provided with the second construction inverted arch below the trestle I, second construction
It is provided with the filling of the second inverted arch above inverted arch, inverted arch initial stage is both provided with below first inverted arch and the second construction inverted arch
Supporting, is provided with trestle preliminary bracing below the trestle II, and the upper end side of the first inverted arch filling is provided with secondary
Lining cutting, described to wait excavating the upper end side got out of a predicament or an embarrassing situation and be provided with face, the upper end of the face and secondary lining is connected with
The lower end of double advanced tubule, the double advanced tubule is provided with conduit preliminary bracing.
Preferably, the sub-truss is composed of vertical and horizontal multiple rectangular frame welding, and a rectangle purlin is integrally formed
Frame, the length of the rectangle truss are twice of its width.
Compared with prior art, the utility model has the beneficial effects that：Simple multispan formula tunnel provided by the utility model
With inverted arch trestle structure, process continuous productive process space is provided for the construction of tunnel inverted arch, breaks through traditional single span inverted arch trestle structure shape
Formula；Trestle work structure provided by the utility model can shorten the inverted arch construction time, inverted arch trestle utilization rate be improved, with existing skill
The characteristics of art compares, the utility model is that such inverted arch trestle structure increases across number；Advantage is to increase with increasing across several
Construction operation area so that inverted arch construction can carry out inter process continuous productive process；Benefit and effect are that inverted arch construction can be made to save
The activity duration of nearly half.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model structure top view；
Fig. 3 is the utility model sub-truss schematic diagram.
In figure：It excavated and has got out of a predicament or an embarrassing situation 1, waited excavating 2, inverted arch preliminary bracing 3 of getting out of a predicament or an embarrassing situation, the first inverted arch 4, the filling of the first inverted arch
5, sub-truss 6, trestle I7, trestle II8, second construction inverted arch 9, the second inverted arch filling 10, secondary lining 11, face 12,
Double advanced tubule 13, conduit preliminary bracing 14, trestle preliminary bracing 15.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of simple multispan formula tunnel inverted arch trestle knot
Structure, including excavated and got out of a predicament or an embarrassing situation 1, it is to wait excavating getting out of a predicament or an embarrassing situation 2 to have excavated 1 side of getting out of a predicament or an embarrassing situation, excavated get out of a predicament or an embarrassing situation 1 the other side
For the first inverted arch 4, the top of the first inverted arch 4 is provided with the first inverted arch filling 5, has excavated 1 middle part of getting out of a predicament or an embarrassing situation and has been provided with support
Truss 6, sub-truss 6 are composed of vertical and horizontal multiple rectangular frame welding, and a rectangle truss is integrally formed, rectangle truss
Length is twice of its width, and the upper end side of sub-truss 6 is erected with trestle I7, and trestle I7 far from sub-truss 6 one
End rides upon in the first inverted arch filling 5, and the upper end other side of sub-truss 6 is erected with trestle II8, and trestle II8 is far from support purlin
One end of frame 6 rides upon to wait excavating and get out of a predicament or an embarrassing situation on 2, and the second construction inverted arch 9, the second construction inverted arch 9 are provided with below trestle I7
Top be provided with the second inverted arch filling 10, the first inverted arch 4 and second construction inverted arch 9 lower section be both provided with inverted arch preliminary bracing
Trestle preliminary bracing 15 is provided with below 3, trestle II8, the upper end side of the first inverted arch filling 5 is provided with secondary lining 11,
It waits excavating get out of a predicament or an embarrassing situation 2 upper end side and is provided with face 12, the upper end of face 12 and secondary lining 11 is connected with double super
The lower end of preceding ductule 13, double advanced tubule 13 is provided with conduit preliminary bracing 14.
Simple multispan formula tunnel inverted arch trestle structure provided by the utility model provides process stream for the construction of tunnel inverted arch
Water working space breaks through traditional single span inverted arch trestle structure type；Trestle work structure provided by the utility model can shorten inverted arch
Construction time improves inverted arch trestle utilization rate, is compared with prior art, the characteristics of the utility model such inverted arch trestle knot
Structure increases across number；Advantage is to increase construction operation area with increasing across several so that inverted arch construction can carry out inter process stream
Water operation；Benefit and effect are the activity duration that inverted arch construction can be made to save nearly half.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of simple multispan formula tunnel inverted arch trestle structure, including excavated and got out of a predicament or an embarrassing situation（1）, it is characterised in that：It is described
Excavation is got out of a predicament or an embarrassing situation（1）Side be wait excavate get out of a predicament or an embarrassing situation（2）, described excavated get out of a predicament or an embarrassing situation（1）The other side be the first inverted arch
（4）, first inverted arch（4）Top be provided with the first inverted arch filling（5）, described excavated get out of a predicament or an embarrassing situation（1）Middle part setting
There is sub-truss（6）, the sub-truss（6）Upper end side be erected with trestle I（7）, and trestle I（7）Far from sub-truss
（6）One end ride upon the first inverted arch filling（5）On, the sub-truss（6）The upper end other side be erected with trestle II（8）,
The trestle II（8）Far from sub-truss（6）One end ride upon wait excavate get out of a predicament or an embarrassing situation（2）On, the trestle I（7）Lower section
It is provided with the second construction inverted arch（9）, the second construction inverted arch（9）Top be provided with the second inverted arch filling（10）, described
One inverted arch（4）With the second construction inverted arch（9）Lower section be both provided with inverted arch preliminary bracing（3）, the trestle II（8）Lower section set
It is equipped with trestle preliminary bracing（15）, the first inverted arch filling（5）Upper end side be provided with secondary lining（11）, described to wait out
Dig down step（2）Upper end side be provided with face（12）, the face（12）And secondary lining（11）Upper end connection
There is double advanced tubule（13）, the double advanced tubule（13）Lower end be provided with conduit preliminary bracing（14）.
2. a kind of simple multispan formula tunnel inverted arch trestle structure according to claim 1, it is characterised in that：The support
Truss（6）It is composed of vertical and horizontal multiple rectangular frame welding, a rectangle truss, the length of the rectangle truss is integrally formed
It is twice of its width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462973.2U CN207609427U (en) | 2017-11-06 | 2017-11-06 | A kind of simple multispan formula tunnel inverted arch trestle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721462973.2U CN207609427U (en) | 2017-11-06 | 2017-11-06 | A kind of simple multispan formula tunnel inverted arch trestle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609427U true CN207609427U (en) | 2018-07-13 |
Family
ID=62794712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721462973.2U Expired - Fee Related CN207609427U (en) | 2017-11-06 | 2017-11-06 | A kind of simple multispan formula tunnel inverted arch trestle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725073A (en) * | 2017-11-06 | 2018-02-23 | 中建八局第建设有限公司 | A kind of simple more straddle type tunnel inverted arch trestle structure and construction methods |
| CN109578008A (en) * | 2018-11-27 | 2019-04-05 | 中铁十局集团第五工程有限公司 | The double trestle opposite direction material-flow methods of tunnel inverted arch |
-
2017
- 2017-11-06 CN CN201721462973.2U patent/CN207609427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725073A (en) * | 2017-11-06 | 2018-02-23 | 中建八局第建设有限公司 | A kind of simple more straddle type tunnel inverted arch trestle structure and construction methods |
| CN107725073B (en) * | 2017-11-06 | 2024-04-02 | 中建八局第一建设有限公司 | Tunnel construction method based on simple trestle |
| CN109578008A (en) * | 2018-11-27 | 2019-04-05 | 中铁十局集团第五工程有限公司 | The double trestle opposite direction material-flow methods of tunnel inverted arch |
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Legal Events
| 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: 20180713 |