CN202247907U - Supporting structure of urban track traffic super-large section cut-and-cover section tunnel - Google Patents
Supporting structure of urban track traffic super-large section cut-and-cover section tunnel Download PDFInfo
- Publication number
- CN202247907U CN202247907U CN 201120404467 CN201120404467U CN202247907U CN 202247907 U CN202247907 U CN 202247907U CN 201120404467 CN201120404467 CN 201120404467 CN 201120404467 U CN201120404467 U CN 201120404467U CN 202247907 U CN202247907 U CN 202247907U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- bow member
- track traffic
- large section
- tunnel
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model discloses a supporting structure of an urban track traffic super-large section cut-and-cover section tunnel. The structure comprises a lifting lamp holder body, an adjustable support, a support top steel pipe, a paved sizing arch frame, lumbers and a template, wherein the lifting lamp holder body is built through a cuplock steel pipe scaffold; the adjustable support is the support matched with the cuplock steel pipe scaffold; the sizing arch frame is formed by connecting a plurality of arch frame splicing components; a plurality of blocks of lumbers are uniformly distributed on the sizing arch frame; and the template is fixed on the lumbers, so the supporting structure of the super-large section cut-and-cover section tunnel is formed. The supporting structure of the super-large section cut-and-cover section tunnel is higher in strength, rigidity and stability, can support a tunnel space structure with lager span, is clearly stressed, is high in safety, and is convenient to construct simply; the working period is shortened; the efficiency is improved; and the construction cost is greatly reduced.
Description
Technical field
The utility model belongs to the tunnel construction technology field, specifically introduces a kind of urban track traffic large section open cut running tunnel braced structures.
Background technology
Along with the develop rapidly of urban infrastructure construction, track traffic has generally become the important vehicles of people's trip.In the process of construction of track traffic, large cross-section tunnel is emphasis and the difficult point, particularly open trench tunnel in the engineering construction always, because its tunnel lining requires one-shot forming, and inner surface Forming Quality, presentation quality etc. require all higher.Therefore, in work progress, require all higher to the dimensional accuracy after the intensity of support system, rigidity, resistance to overturning, the tunnel moulding, the smooth connection of different radii place structure, the selection of template etc.For example in the process of construction of No. six lines of China's Chongqing City's track traffic, lining cutting section structure length 24.7m, clear span 27.7m, clear height 26.2m, the nearly 700m of net cross-sectional area have just been run into
2Five hearts circles horse-shoe tunnel structure, be oversensitive round super-section open cut running tunnel, this at home and beyond example.
This tunnel lining is positioned at foundation ditch dark about 37m, and work plane is little, and operating condition is poor, and it is thick that the tunnel lining thinnest part has reached 1.1m.When selecting constructure scheme, must consider safety and the dimensional accuracy after the tunnel moulding in the work progress, the presentation quality of inner surface.As if the support system that adopts conventional chassis as the tunnel structure construction, though can satisfy above construction requirement, construction costs is high, but second use value is little, limited by field condition, and difficulty such as assembly unit, dismounting, outward transport are all bigger, long construction period.
Therefore,, take into full account safety, economy, exploitativeness in the work progress, need a kind of support system of design to large section running tunnel structure construction in order satisfactorily to accomplish the construction task of big section open cut running tunnel.
The utility model content
Described in background technology, the main purpose of the utility model is to introduce a kind of to urban track traffic large section open cut running tunnel braced structures.
The technical scheme of the utility model is following: urban track traffic large section open cut running tunnel braced structures, it is characterized in that, and comprise all round victory support body of setting up successively from inside to outside, adjustable holder support, steel pipe, typing bow member, wooden a tree, used in making timber for boats and template; Described all round victory support body is set up by the bowl fastening type steel pipe scaffold and is formed; All round victory support body upper end is equipped with several adjustable holder supports; The upper end of holder that each is adjustable support is equipped with groove and in each groove, longitudinally is provided with and is fixed with steel pipe; Said typing bow member is in turn connected to form arch by some bow member building blocks and is laid on the supporting surface of being made up of described some steel pipes, is laid with some wooden a tree, used in making timber for boats in typing bow member upper end, and said template is fixed on the wooden a tree, used in making timber for boats.
Further technical scheme, in the said all round victory support body, bowl fastening type steel pipe scaffold vertical pole ' s span is 600mm, step pitch is 1200mm.
Further technical scheme, said steel pipe is the welded steel pipe of external diameter 48mm, wall thickness 3.5mm, and adopts vertically continuous the laying to be fixed on the adjustable support.
Further technical scheme, said bow member building block is that i iron is processed brake forming, connects into integral body through steel plate, high-strength bolt between adjacent two bow member building blocks, the spacing between adjacent two bow member building blocks is 600mm.
Further technical scheme, the spacing between adjacent two wooden a tree, used in making timber for boats is 100mm.
Further again, the thickness of said template is the thick bamboo film coated plate of 10mm.
With respect to prior art, the utlity model has following remarkable result:
1, construction safety: the utility model through the optimization of design stage, the affirmation in simulated test stage, the implementation phase summary, can guarantee the safety in the work progress.
2, easy construction: owing to when construction, adopted the bowl fastening type steel pipe frame to set up all round victory support body; On all round victory support body, lay the bow member building block, various construction weights are all lighter, and the workman installs, dismounting is all convenient; And simplified operation, be convenient to the control in the work progress.
3, the reduction of erection time: according to the actual progress situation of engineering, can set up the arrangement length of support system on their own, shorten the construction technology intermittent time greatly.
4, reduced construction costs: all building materials in the utility model are building materials commonly used; The bowl fastening type steel pipe scaffold only need be leased and get final product; Need not to buy; What need to buy voluntarily only has i iron, steel plate, high-strength bolt, spring shim, wooden a tree, used in making timber for boats, a template, compared with prior art, greatly reduces construction costs.
5, green construction: but all building materials of buying voluntarily in the utility model meet the aim of green construction in the constructing tunnel all second use of back that finish.
Description of drawings
Fig. 1 is the utility model urban track traffic large section open cut running tunnel braced structures sketch map;
Fig. 2 is the enlarged drawing of I portion among Fig. 1;
Fig. 3 is the enlarged drawing at typing bow member connected node place among Fig. 1.
Among the figure, 1-template, 2-wooden a tree, used in making timber for boats, 3-typing bow member, 4-steel pipe, 5-adjustable holder support, 6-all round victory support body, 7-bridging, 8-scaffold floor, 9-connection steel plate, 10-bolt hole.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
Like Fig. 1, Fig. 2 and shown in Figure 3, the urban track traffic large section open cut running tunnel braced structures of the utility model, it comprises typing bow member 3, wooden a tree, used in making timber for boats 2, the template 1 of all round victory support body of setting up successively from inside to outside 6, adjustable holder support 5, steel pipe 4, laying.Described all round victory support body 6 adopts the bowl fastening type steel pipe scaffold to set up; The adjustable holder support 5 that is complementary has with it been installed in the end of all round victory support body 6 every root posts, and adjustable holder is supportted 5 lower ends and inserted in all round victory support body 6, and steel pipe 4 is vertically laid and is fixed in the adjustable holder support 5; Typing bow member 3 is connected to form arch by some bow member building blocks; And laterally be laid on the supporting surface of forming by some steel pipes 4, wooden a tree, used in making timber for boats 2 evenly is laid on the typing bow member 3 by some, and template 1 is fixed on again on the wooden a tree, used in making timber for boats 2.
Below being the construction technology of the utility model large section open cut running tunnel braced structures, referring to Fig. 1, Fig. 2 and Fig. 3, is example with the tunnel of the utility model lining cutting section length 24.7m, clear span 27.7m, clear height 26.2m, and its step is following:
1) processing of typing bow member, assembly unit: the consumption that at first calculates the required i iron of typing bow member building block according to the tunnel lining size of design drawing; With the common 9m of worker 10 or the i iron of 6m length is raw material; Adopt large-scale precision clod wash machinery to become the bow member building block by specialty processing producer according to the blank size segmental machining after calculating; And on the floor of every bow member building block junction, hole, after the machine-shaping bow member building block is transported to the job site.The used two-sided steel plate in bow member building block junction is the Q235 hot rolled steel plate; Steel plate thickness is 10mm; Its blanking is become 400mm * 50mm shape; It is fixing to adopt M16 high-strength bolt and spring shim that the inside and outside both sides of two bow member building blocks are connected respectively then, has just formed the typing bow member 3 of the long 60m of single Pin after polylith bow member building block is connected.Tunnel with the utility model lining cutting section length 24.7m, clear span 27.7m, clear height 26.2m is an example, needs 44 Pin typing bow member altogether.
2) set up bracing frame: on the tunnel invert fill concrete that construction finishes, set up all round victory support body 6, all round victory support body 6 described here adopts the bowl fastening type steel pipe frame, is material commonly used in the building operations.The utility model applies to it in construction in tunnel, as an ingredient of support system, replaces the purpose that chassis supports thereby reach.The vertical pole ' s span of said all round victory support body 6 is 600mm * 600mm, and step pitch is 1200mm.Every vertical rod bottom at all round victory support body 6 is provided with adjustable scaffold floor 8, and adjustable holder support 5 is set at the top of all round victory support body 6, support 5 tops in this adjustable holder steel pipe 4 longitudinally is set, and it is firm to adopt the 8# iron wire that 5 colligations are supportted in said steel pipe 4 and adjustable holder.For guaranteeing the stability of whole supporting frame; Also be respectively arranged with bridging 7 on the horizontal direction vertically, laterally reaching of all round victory support body; Wherein support body vertically, transversely the elongated setting of bridging; Whenever on the horizontal direction of support body, 1 road bridging is set, passes through the rotary buckle connection between the vertical rod of this bridging 7 and corresponding all round victory support body 6 at a distance from 4.8m; The angle of said bridging 7 is 45 °～60 °.
3) lifting, location typing bow member: after treating that the bowl fastening type steel pipe frame forms; According to drawing and typing bow member length setting-out absolute altitude on steel pipe frame; On steel pipe frame, set up cantilever lever then; Vertically on cantilever lever, lay the plank of some 50mm * 300mm along the tunnel, lift successively with the crane typing bow member that assembly unit is good then and be laid on this plank.When bow member was finalized the design in lifting, a typing bow member was respectively laid at vertical two ends in the tunnel earlier, and inspection is drawn between the typing bow member at two ends and established logical line after proofreading and correct and fixing, and the spacing according to 600mm lifts typing bow member and fixing one by one then; Adopt tower crane or mobile crane work during lifting, and cooperate artificial the installation, the bow member at bracing frame top is fixed through the 8# iron wire.
4) lay wooden a tree, used in making timber for boats: on the typing bow member outer wall of locating, fixing, lay wooden a tree, used in making timber for boats 2; Said wooden a tree, used in making timber for boats 2 adopts 4000mm * 100mm * 100mm size; And evenly lay according to the spacing of 100mm, fix through the 8# iron wire between said wooden a tree, used in making timber for boats 2 and the typing bow member 3.
5) prefabricating load test: be out of shape with verifying for the stability of verifying support system, after wooden a tree, used in making timber for boats laying finishes, need carry out load precompressed test to support body.Adopt crane that the sand pocket lifting is carried in the top of typing bow member 3, take asymmetric layering to load during loading, exceed 500mm than right side (or left side) when loading, can check the support body whether can unstability under the influence of unfavorable factor like this like left side (or right side).The load of said sand pocket is taken all factors into consideration setting according to steel concrete load and construction load, unloading sand pocket after test finishes.After accomplish typing bow member location, also observation point need be set, be used to observe the sedimentation, distortion of bow member etc.; Revise and adjustment so that make; Adopt in the utility model to hang and establish plummet and the observation of digitized total powerstation, concrete observation procedure is a prior art, does not detail at this.
6) template is laid: precompressed unloading and to after the support body correction; With iron nail the splicing of bamboo film coated plate is fixed on formation template 1 on the wooden a tree, used in making timber for boats; Consider the presentation quality after the concrete moulding, can adopt the thick bamboo film coated plate of 8mm, 10mm or 12mm as template, this sheet material has certain intensity and also has certain flexible; Adopt oil loam to carry out jointing to all pieces again after the installation and handle, and paste adhesive tape.
The large section tunnel braced structures of the utility model has higher intensity, rigidity and stability; Draw materials easily, bow member is short process time; And after the construction completion, the i iron after the bending can pass through the special-purpose machines and tools alignment, and all material all can reuse, and does not waste; Support system is simple in structure, stressed clear and definite, and assembly unit is easy, greatly reduces construction costs; Whole braced structures can be in all the time in installation and use and receive monitor state simultaneously; Has higher safety.
Claims (6)
1. urban track traffic large section open cut running tunnel braced structures is characterized in that, comprises all round victory support body of setting up successively from inside to outside (6), adjustable holder support (5), steel pipe (4), typing bow member (3), wooden a tree, used in making timber for boats (2) and template (1); Described all round victory support body (6) is set up by the bowl fastening type steel pipe scaffold and is formed; All round victory support body (6) upper end is equipped with several adjustable holder supports (5); The upper end of holder that each is adjustable support (5) is equipped with groove and in each groove, longitudinally is provided with and is fixed with steel pipe (4); Said typing bow member (3) is in turn connected to form arch by some bow member building blocks and is laid on the supporting surface of being made up of described some steel pipes (4); Be laid with some wooden a tree, used in making timber for boats (2) in typing bow member (3) upper end, said template (1) is fixed on the wooden a tree, used in making timber for boats (2).
2. urban track traffic large section open cut running tunnel braced structures according to claim 1 is characterized in that in the said all round victory support body (6), bowl fastening type steel pipe scaffold vertical pole ' s span is 600mm, and step pitch is 1200mm.
3. urban track traffic large section open cut running tunnel braced structures according to claim 1 is characterized in that said steel pipe (4) is the welded steel pipe of external diameter 48mm, wall thickness 3.5mm, and adopts vertically continuous the laying to be fixed on the adjustable support (5).
4. urban track traffic large section open cut running tunnel braced structures according to claim 1; It is characterized in that; Said bow member building block is that i iron is processed brake forming; Connect into integral body through i iron steel plate, high-strength bolt between adjacent two bow member building blocks, the spacing between adjacent two bow member building blocks is 600mm.
5. urban track traffic large section open cut running tunnel braced structures according to claim 1 is characterized in that the spacing between adjacent two wooden a tree, used in making timber for boats (2) is 100mm.
6. urban track traffic large section open cut running tunnel braced structures according to claim 1 is characterized in that said template (1) is the bamboo film coated plate of 10mm for thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120404467 CN202247907U (en) | 2011-10-21 | 2011-10-21 | Supporting structure of urban track traffic super-large section cut-and-cover section tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120404467 CN202247907U (en) | 2011-10-21 | 2011-10-21 | Supporting structure of urban track traffic super-large section cut-and-cover section tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247907U true CN202247907U (en) | 2012-05-30 |
Family
ID=46109169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120404467 Expired - Fee Related CN202247907U (en) | 2011-10-21 | 2011-10-21 | Supporting structure of urban track traffic super-large section cut-and-cover section tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247907U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612708A (en) * | 2014-12-22 | 2015-05-13 | 山东大学 | Supporting device and method for loess tunnel |
| CN104863360A (en) * | 2015-06-08 | 2015-08-26 | 中冶建工集团有限公司 | Curved surface template supporting system and method for installing curved surface template by adopting same |
| CN105649651A (en) * | 2015-12-31 | 2016-06-08 | 中铁二十五局集团第五工程有限公司 | Construction method of secondary tunnel lining |
| CN105945479A (en) * | 2016-05-24 | 2016-09-21 | 中交航局第四工程有限公司 | Arch type tyre film frame and method for manufacturing shield segment reinforcement cage by utilizing arch type tyre film frame |
-
2011
- 2011-10-21 CN CN 201120404467 patent/CN202247907U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612708A (en) * | 2014-12-22 | 2015-05-13 | 山东大学 | Supporting device and method for loess tunnel |
| CN104863360A (en) * | 2015-06-08 | 2015-08-26 | 中冶建工集团有限公司 | Curved surface template supporting system and method for installing curved surface template by adopting same |
| CN105649651A (en) * | 2015-12-31 | 2016-06-08 | 中铁二十五局集团第五工程有限公司 | Construction method of secondary tunnel lining |
| CN105945479A (en) * | 2016-05-24 | 2016-09-21 | 中交航局第四工程有限公司 | Arch type tyre film frame and method for manufacturing shield segment reinforcement cage by utilizing arch type tyre film frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102505708B (en) | Construction method of tunnel at oversized cross section open cut area in track traffic | |
| CN100537975C (en) | The job practices of inclined drawing steel truss high-supported formwork structure system | |
| CN204040464U (en) | A kind of slab form supporting construction | |
| CN209799969U (en) | A integrally lift up cantilever formwork device for quick construction shaft lining cutting | |
| CN206352391U (en) | Socket joint type key slot type Quick Release support system | |
| CN104264920A (en) | Construction method of ultrahigh large-curvature circular spiral as-cast-finish stair | |
| CN202247907U (en) | Supporting structure of urban track traffic super-large section cut-and-cover section tunnel | |
| CN115162182B (en) | Cantilever type steel box girder high-precision cable hoisting construction method | |
| CN203321538U (en) | Variable-cross-section tunnel lining mold | |
| CN103758348A (en) | Profile steel framework structure concrete floor slab suspension mould pouring construction method | |
| CN107460889A (en) | Integral movable support formwork in underground comprehensive pipe gallery construction and construction method thereof | |
| CN114770706B (en) | Light T-beam prefabrication equipment and prefabrication installation construction method | |
| CN100460613C (en) | Suspension holder construction method | |
| CN103741970A (en) | Assembled machining shed for building construction and manufacture and installation method thereof | |
| CN103510469A (en) | Construction method for manufacturing thin-walled hollow pier | |
| CN109869153B (en) | Integral lifting cantilever formwork device for rapidly constructing shaft lining and construction method | |
| CN102518300A (en) | Embedded conical bearing joint type steel structure support and construction method thereof | |
| CN101644084B (en) | Light-duty wooden roof truss and construction method thereof | |
| CN102286932B (en) | Construction method for off-site assembling and automatic mounting on bridge of mobile mould bridge abutment | |
| CN202176343U (en) | Self-propelled multifunctional template trolley combining device | |
| CN108678181B (en) | High-altitude construction method for steel truss and concrete combined structure on top of bin | |
| CN105019645B (en) | Fetch earth in contrary sequence method and the template system and construction method of xoncrete structure are built at mouth | |
| CN102409848A (en) | Construction molding methods for light-weight ribbed floorslab and light-weight ribbed floor | |
| CN105604197A (en) | Steel pipe column barrel structure of beam column | |
| CN105735474A (en) | Single-layer steel pipe column construction method for core tube beam column |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20141021 |
|
| EXPY | Termination of patent right or utility model |