CN208907360U - Inverted arch trestle - Google Patents
Inverted arch trestle Download PDFInfo
- Publication number
- CN208907360U CN208907360U CN201821694195.4U CN201821694195U CN208907360U CN 208907360 U CN208907360 U CN 208907360U CN 201821694195 U CN201821694195 U CN 201821694195U CN 208907360 U CN208907360 U CN 208907360U
- Authority
- CN
- China
- Prior art keywords
- bridge
- girder
- inverted arch
- construction
- access bridge
- 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.)
- Active
Links
Abstract
The utility model provides a kind of inverted arch trestle, it include: the main bridge for being located at the tunnel construction sections for carrying out inverted arch construction, main bridge is made of at least two girders, bridge plate and Duo Gen attachment beam, girder is made of H profile steel, it is connected and fixed between every two girders by more attachment beams, bridge plate rides upon above girder, and the both ends of girder are cut into predetermined angle, the bridge plate at winner's bridge both ends is made to form the default gradient；It is set to the preceding access bridge for the tunnel construction sections that lining construction is completed, one end of leading bridge and girder is mutually overlapped according to the extending direction of girder；It is set to the rear access bridge for not yet carrying out the tunnel construction sections of lining construction, the other end of rear access bridge beam and girder is mutually overlapped according to the extending direction of girder.Inverted arch trestle provided by the utility model can significantly improve the bearing capacity to Construction traffic, guarantee inverted arch construction safety, and the inverted arch trestle lightweight and portable in volume, and convenient for turnover, consuming steel are few, can save construction cost.
Description
Technical field
The utility model relates to Municipal Engineering Construction fields, and in particular, to one of constructing tunnel inverted arch trestle.
Background technique
Inverted arch is one of the chief component of entire tunnel structure, is the basis of tunnel structure, and quality determines
Entire tunnel structure safety.Inverted arch needs one-pass molding, and branch is avoided to pour.Since Construction traffic comes in tunnel excavating process
Reversion, which is sailed, to interfere inverted arch pouring construction, it is therefore desirable to be set up and be faced upward in the top for carrying out the construction section that inverted arch pours
Encircle trestle to guarantee that inverted arch pouring construction orderly carries out.Inverted arch trestle can be driving, preliminary bracing and lining construction assembly line
It is connected, realizes the parallel line production of multiple working procedures such as driving, preliminary bracing and secondary lining.
Inverted arch trestle in the prior art is made of two panels beam slab, wherein every beam slab welded side by side by more I-steel and
At inverted arch trestle is heavy, and inconvenience is mobile, and the moment of inertia difference of the main shaft of I-steel cross section two is larger, and Construction traffic is being faced upward
Encircle and generate mobile load and Eccentric Load when walking on trestle, cause inverted arch trestle torsional deformation, influences constructing tunnel peace
Entirely.
Utility model content
For the heaviness of inverted arch trestle in the prior art, inconvenience is mobile, and bearing capacity is weak, and the technology for being easy torsional deformation is asked
Topic, the utility model provide a kind of inverted arch trestle, which resists vertical bending ability strong, and lightweight and portable in volume can be at any time
It is mobile, and can saving steel, obtain good economic benefit.
To achieve the above object, inverted arch trestle provided by the utility model includes: to carry out inverted arch for being located at and apply
The main bridge of the tunnel construction sections of work, host bridge are made of at least two girders, bridge plate and Duo Gen attachment beam, and the girder is by H profile steel
It is made, is connected and fixed between every two girders by more attachment beams, the bridge plate rides upon above the girder, the girder
Both ends be cut into predetermined angle so that the bridge plate at host bridge both ends forms the default gradient；It is set to and lining construction is completed
Tunnel construction sections preceding access bridge, by leading bridge plate and at least, two leading bridges form the preceding access bridge, the leading bridge with
One end of the girder is mutually overlapped according to the extending direction of girder, and the leading bridge plate rides upon the upper of the leading bridge
Side；It is set to the rear access bridge for not yet carrying out the tunnel construction sections of lining construction, after the rear access bridge is by rear access bridge plate and at least two
Access bridge beam composition, the rear access bridge beam and the other end of the girder mutually overlap according to the extending direction of girder, draw after described
Bridge plate rides upon the top of the rear access bridge beam.
Optionally, the inverted arch trestle further include: it is set to host bridge along the protection structure of tunnel lateral direction direction two sides,
The protection structure is made of at least two vertical beams and at least one crossbeam, and one end of the vertical beam is connect with the girder, separately
One end is connect with the crossbeam.
Optionally, the vertical beam is made of L-type steel item.
Optionally, the gradient of the preceding access bridge and the rear access bridge is consistent with the default gradient.
Optionally, the bridge plate is made of checkered plates.
Optionally, the attachment beam is made of H profile steel.
By technical solution provided by the utility model, the utility model is at least had the following technical effect that
The inverted arch trestle of the utility model is made of main bridge, preceding access bridge and rear access bridge, and main spanning is set to and is carrying out inverted arch
The tunnel construction sections of construction, preceding access bridge are set to the tunnel construction sections that lining construction is completed, and rear access bridge is set to not yet progress lining construction
Tunnel construction sections, which can significantly improve the bearing capacity to Construction traffic, guarantee inverted arch construction safety, and the inverted arch
Trestle lightweight and portable in volume, convenient for turnover, consuming steel are few, can save construction cost.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Fig. 1 is the side schematic view of inverted arch trestle provided by the utility model；
Fig. 2 is the schematic rear view of inverted arch trestle provided by the utility model；
Fig. 3 is the cross-sectional view of the main bridge of inverted arch trestle provided by the utility model.
Description of symbols
Access bridge before 1 main bridge 2
Access bridge 4 protects structure after 3
11 girder, 12 bridge plate
13 attachment beam, 21 leading bridge
Access bridge beam after 22 leading bridge plates 31
41 vertical beam of access bridge plate after 32
42 crossbeams
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the utility model embodiment.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model embodiment is not limited to this reality
Use new embodiment.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment
Relationship description word.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Please refer to Fig. 1-Fig. 3, the utility model embodiment provides a kind of inverted arch trestle, the inverted arch trestle include: for across
Set on the main bridge 1 for the tunnel construction sections for carrying out inverted arch construction, host bridge 1 is connected by least two girders 11, bridge plate 12 and Duo Gen
The composition of beam 13 is connect, the girder 11 is made of H profile steel, is connected and fixed between every two girders 11 by more attachment beams 13, institute
It states bridge plate 12 and rides upon 11 top of girder, the both ends of the girder 11 are cut into predetermined angle, so that 1 both ends of host bridge
Bridge plate 12 form the default gradient；It is set to the preceding access bridge 2 for the tunnel construction sections that lining construction is completed, the preceding access bridge 2 is by leading
One end of bridge plate 22 and at least two compositions of leading bridges 21, the leading bridge 21 and the girder 11 is according to girder 11
Extending direction mutually overlaps, and the leading bridge plate 22 rides upon the top of the leading bridge 21；It is set to not yet progress lining cutting
The rear access bridge 3 of the tunnel construction sections of construction, the rear access bridge 3 is made of access bridge beam 31 after rear access bridge plate 32 and at least two, described
Access bridge beam 31 and the other end of the girder 11 are mutually overlapped according to the extending direction of girder 11 afterwards, and the rear access bridge plate 32 is set up
The top of access bridge beam 31 after described.
Specifically, inverted arch trestle provided by the present application is made of main bridge 1, preceding access bridge 2 and 3 three parts of rear access bridge, wherein main
Bridge is made of two girders 11, bridge plate 12 and Duo Gen attachment beam 13, and bridge plate 12 rides upon on two girders 11, two girders 11 it
Between interval pre-determined distance be connected with more attachment beams 13, it is preferable that the spacing between adjacent two attachment beams 13 is between 1m-
1.5m.Girder 11 is made of H profile steel, and H profile steel belongs to high-efficiency and economic and cuts out face structural section, and the ratio of wing plate and web is reasonable, can
H profile steel is set preferably to play efficiency, that improves girder 11 holds sanction ability, significantly improves the anti-vertical bending ability of inverted arch trestle.
And the edge of a wing of the wing plate of H profile steel is widened compared to I-steel, wing plate inner and outer surfaces be it is parallel, can convenient for
The connection of other components.Preferably, the application middle girder 11 is made of the H profile steel of model H40.
By leading bridge plate 22 and at least, two leading bridges 21 form preceding access bridge 2, and leading bridge plate 22 is erected on preceding access bridge
The top of beam 21, rear access bridge 3 are made of access bridge beam 31 after rear access bridge plate 32 and at least two, and rear access bridge plate 32 draws after being erected on
The top of bridge 31.
The both ends of girder 11 are cut into predetermined angle, and the bridge plate 12 being overlapped on girder 11 also forms certain gradient, preceding
Access bridge beam 21 is overlapped on the lower section of one end of girder 11, one end of leading bridge plate 22 and bridge plate 12 according to the extending direction of girder 11
The lower section that rear access bridge beam 31 is overlapped on the other end of girder 11 according to the extending direction of girder 11 is arranged in connection, rear access bridge 3, after
Access bridge plate 32 is connect with the other end of bridge plate 12.Inverted arch trestle forms hunchbacked formula and is located at the tunnel for carrying out inverted arch construction
Section, and certain distance can be kept with the tunnel construction sections for carrying out inverted arch construction.Preceding access bridge 2, which is arranged in, does not carry out inverted arch construction
The tunnel construction sections that inverted arch construction is completed are arranged in tunnel construction sections, rear access bridge 3.
Optionally, in the embodiment of the present application, single width inverted arch trestle can be used, the distance between two girders 11 are to construct
Subject to the traveling width of vehicle, two width inverted arch trestles can also be used, the spacing between two width inverted arch trestles is with Construction traffic
It travels subject to width.
Inverted arch trestle provided by the present application can significantly improve the bearing capacity to Construction traffic, guarantee inverted arch construction peace
Entirely, and the inverted arch trestle lightweight and portable in volume, convenient for turnover, it is few to expend steel, can save construction cost.
Optionally, the inverted arch trestle further include: be set to host bridge 1 along the protection structure of tunnel lateral direction direction two sides
4, the protection structure 4 is made of at least two vertical beams 41 and at least one crossbeam 42, one end of the vertical beam 41 and the master
Beam 11 connects, and the other end is connect with the crossbeam 42.
Specifically, in the embodiment of the present application, main bridge 1 is additionally provided with protection structure 4 in the two sides along tunnel lateral direction direction, erects
Beam 41 is connect perpendicular to bridge plate 12, one end with girder 11, and the other end is connect with crossbeam 42, the distance between adjacent two vertical beams 41
Between 1.5m-2m.In the application can by any one connection type in hinged, welding and binding connection by vertical beam 41 with
Girder 11 connects and connect vertical beam 41 with crossbeam 42.Preferably, it can will be erected using welding manner in the embodiment of the present application
One end of beam 41 is welded on the lower flange of girder 11.
The walking safety of the construction personnel on trestle can be protected by inverted arch trestle provided by the present application, while can also
It avoids the article on inverted arch trestle from falling destruction and just pours the inverted arch finished, protect inverted arch.
Optionally, the vertical beam 41 is made of L-type steel item.
Specifically, L-type steel item is integrated the steel of welding, can guarantee the connective stability of vertical beam 41 Yu girder 11, keep away
Exempt from that structure 4 is protected to deform, further increase the protective effect of protection structure 4, guarantees construction safety.
Optionally, the gradient of the preceding access bridge 2 and the rear access bridge 3 is consistent with the default gradient.
Specifically, preceding access bridge 2 and the gradient of rear access bridge 3 consistent can meet Construction traffic climbing in the gradient of main bridge 1
While gradient, the steel materials of main bridge 1 and the length of rear access bridge 3 are reduced.
Optionally, the bridge plate 12 is made of checkered plates.
Specifically, bridge plate 12 by surface there is the checkered plates of decorative pattern to be made, and checkered plates can reinforce inverted arch trestle
Lateral stability and non-skid property guarantee that Construction traffic and construction personnel smoothly pass through from inverted arch trestle.Preferably, leading
Bridge plate 22 and rear access bridge plate 32 also by surface there is the checkered plates of decorative pattern to be made, bridge plate 12, leading bridge plate 22 and rear access bridge plate
32 thickness is greater than 3mm.
Optionally, the attachment beam 13 is made of H profile steel.
Specifically, use H profile steel as attachment beam 13 in the embodiment of the present application, H profile steel web is high, resists vertical bending ability
By force, two girders 11 can be bonded, reduces the deformation of attachment beam 13, improves the stability of inverted arch trestle.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (6)
1. a kind of inverted arch trestle, which is characterized in that the inverted arch trestle includes:
For being located at the main bridge (1) for carrying out the tunnel construction sections of inverted arch construction, host bridge (1) is by least two girders
(11), bridge plate (12) He Duogen attachment beam (13) forms, and the girder (11) is made of H profile steel, between every two girders (11)
It is connected and fixed by more attachment beams (13), the bridge plate (12) rides upon above the girder (11), the girder (11)
Both ends are cut into predetermined angle, so that the bridge plate (12) at host bridge (1) both ends forms the default gradient；
It is set to the preceding access bridge (2) for the tunnel construction sections that lining construction is completed, the preceding access bridge (2) is by leading bridge plate (22) and extremely
Few two leading bridges (21) composition, one end of the leading bridge (21) and the girder (11) according to girder (11) extension
Direction mutually overlaps, and the leading bridge plate (22) rides upon the top of the leading bridge (21)；
Be set to the rear access bridge (3) for not yet carrying out the tunnel construction sections of lining construction, it is described after access bridge (3) by rear access bridge plate (32) and
Access bridge beam (31) forms after at least two, and the other end of the rear access bridge beam (31) and the girder (11) is according to girder (11)
Extending direction mutually overlaps, and the rear access bridge plate (32) rides upon the top of the rear access bridge beam (31).
2. inverted arch trestle according to claim 1, which is characterized in that the inverted arch trestle further include:
It is set to protection structure (4) of the host bridge (1) along tunnel lateral direction direction two sides, the protection structure (4) is by least two
Root vertical beam (41) and at least one crossbeam (42) composition, one end of the vertical beam (41) are connect with the girder (11), the other end
It is connect with the crossbeam (42).
3. inverted arch trestle according to claim 2, which is characterized in that the vertical beam (41) is made of L-type steel item.
4. inverted arch trestle according to claim 1, which is characterized in that the slope of the preceding access bridge (2) and the rear access bridge (3)
It spends consistent with the default gradient.
5. inverted arch trestle according to claim 1, which is characterized in that the bridge plate (12) is made of checkered plates.
6. inverted arch trestle according to claim 1, which is characterized in that the attachment beam (13) is made of H profile steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694195.4U CN208907360U (en) | 2018-10-18 | 2018-10-18 | Inverted arch trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821694195.4U CN208907360U (en) | 2018-10-18 | 2018-10-18 | Inverted arch trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208907360U true CN208907360U (en) | 2019-05-28 |
Family
ID=66614284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821694195.4U Active CN208907360U (en) | 2018-10-18 | 2018-10-18 | Inverted arch trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208907360U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863419A (en) * | 2019-11-29 | 2020-03-06 | 成都科利特机械制造有限公司 | Mobile trestle for underpass tunnel and construction method thereof |
| CN111335144A (en) * | 2020-03-24 | 2020-06-26 | 甘肃路桥建设集团有限公司 | Method for manufacturing arch beam string beam inverted arch trestle of highway tunnel |
| CN111577319A (en) * | 2020-04-20 | 2020-08-25 | 中铁十二局集团有限公司 | Tunnel double-trestle inverted arch construction method |
| CN112857305A (en) * | 2019-11-28 | 2021-05-28 | 湖南五新模板有限公司 | Landing stage of detectable deformation state |
-
2018
- 2018-10-18 CN CN201821694195.4U patent/CN208907360U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857305A (en) * | 2019-11-28 | 2021-05-28 | 湖南五新模板有限公司 | Landing stage of detectable deformation state |
| CN110863419A (en) * | 2019-11-29 | 2020-03-06 | 成都科利特机械制造有限公司 | Mobile trestle for underpass tunnel and construction method thereof |
| CN110863419B (en) * | 2019-11-29 | 2022-03-04 | 成都科利特机械制造有限公司 | Mobile trestle for underpass tunnel and construction method thereof |
| CN111335144A (en) * | 2020-03-24 | 2020-06-26 | 甘肃路桥建设集团有限公司 | Method for manufacturing arch beam string beam inverted arch trestle of highway tunnel |
| CN111577319A (en) * | 2020-04-20 | 2020-08-25 | 中铁十二局集团有限公司 | Tunnel double-trestle inverted arch construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208907360U (en) | Inverted arch trestle | |
| CN205638490U (en) | A portable platform truck that is used for subway station tread wind channel to pour | |
| CN103711201A (en) | Large-span prestressed concrete beam board frame structural system | |
| CN102926504A (en) | Connecting steel construction member for steel and concrete overlapped beam combined part and construction method thereof | |
| CN103434930A (en) | Welded-railway-type crane main beam | |
| CN102220786A (en) | Hinge connection structure and method for supporting steel columns on steel beams | |
| CN103774838B (en) | A kind of construction of lift well assembling safe operation platform and using method | |
| CN110042743A (en) | The hydraulic climbing die block system of twin legged thin wall hollow pier with synchronize climb construction technology | |
| CN201762974U (en) | System for simultaneous construction of upper horizontal structure and lower horizontal structure in core tube | |
| CN109930469B (en) | Steel box girder thin-wall pier rigid frame cable-stayed bridge suitable for straddle type monorail | |
| CN104594184B (en) | A kind of Long span steel-concrete composite beam cable-stayed bridge ballast system | |
| CN203834337U (en) | Elevated rail traffic station integrated bridge structure | |
| CN207793846U (en) | A kind of overhead railway platform beams | |
| CN205804178U (en) | Scalable without holder device for the liftable of bridge coping construction | |
| CN205839596U (en) | A kind of Wavelike steel webplate Guide beam structure of strip steel boots | |
| CN103741857A (en) | Floor system with U-shaped steel beams, steel bar trusses and floor bearing plates | |
| CN107217685A (en) | A kind of Portable piping lane side wall formwork jumbo | |
| CN210002576U (en) | connection structure of oblique steel skeleton column and oblique steel skeleton beam | |
| CN202248510U (en) | Transversely arranged brace rod type bailey | |
| CN209602954U (en) | A kind of no bracket is without the rapid construction steel concrete combined bridge front panel of template | |
| CN202164729U (en) | Knee brace structure between beams of different heights | |
| CN206308627U (en) | A kind of portable beam body side operation frame | |
| CN205777420U (en) | Skyscraper skybridge construction bracket | |
| CN213681731U (en) | Assembled external construction protection platform | |
| CN206987542U (en) | A kind of butterfly-shaped die mould thin-walled column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |