CN106958448A - A kind of shallow tunnel construction method and system - Google Patents
A kind of shallow tunnel construction method and system Download PDFInfo
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- CN106958448A CN106958448A CN201710344091.4A CN201710344091A CN106958448A CN 106958448 A CN106958448 A CN 106958448A CN 201710344091 A CN201710344091 A CN 201710344091A CN 106958448 A CN106958448 A CN 106958448A
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- 238000010276 construction Methods 0.000 title claims abstract description 130
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 239000011178 precast concrete Substances 0.000 claims abstract description 30
- 230000005641 tunneling Effects 0.000 claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 26
- 238000009412 basement excavation Methods 0.000 claims abstract description 13
- 238000007569 slipcasting Methods 0.000 claims abstract description 9
- 239000011440 grout Substances 0.000 claims abstract description 5
- 238000003801 milling Methods 0.000 claims abstract description 3
- 238000003032 molecular docking Methods 0.000 claims abstract description 3
- 230000032258 transport Effects 0.000 claims description 17
- 238000005056 compaction Methods 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 description 4
- 238000012407 engineering method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention discloses a kind of shallow tunnel construction method, comprises the following steps：The first step：Determine that position is excavated on stratum, tunneling device is installed；Second step：Milling slot, fitting recess is dug out on stratum；3rd step：Precast concrete is assembled, and component is transported in fitting recess, component docking fastening, is spliced into frame shape tunnel agent structure；4th step：Backfill slip casting, the space between grout filling fitting recess and tunnel agent structure；5th step：The tunneling space soil body, tunnel is dug out between the framework of the tunnel agent structure；6th step：Two lining structures are applied in tunnel, accessory structure is built, electromechanical equipment is installed.The present invention also provides a kind of shallow tunnel and builds system, including tunneling device and precast concrete.The present invention provides a kind of new tunneling method and system, can largely reduce the use of stratum excavation and supporting construction, save engineering construction cost, improve efficiency of construction, ensure construction safety.
Description
Technical field
The present invention relates to tunneling engineering field, and in particular to a kind of shallow tunnel construction method and system.
Background technology
Under the fast-developing situation of current cityization, to alleviate traffic pressure and rationally utilizing Underground Space Resource, city
The rapid transformation of city's road and city integrated piping lane construction are all received much concern, and following this kind of Tunnel Engineering can be continuously increased.
Tunnel construction early stage can select most rational construction method according to actual conditions, for the tunnel construction in shallow embedding soft soil layer,
Conventional method has cut and cover method, shield method, push bench process, shallow burial hidden digging etc. at present.
Cut and cover method is to excavate the soil body downwards from earth's surface, then performs agent structure and backfills.This method needs to perform to go along with sb. to guard him
System, and retaining design cost is high, sometimes even over the 50% of engineering totle drilling cost, the building enclosure goed deep into stratum can also
The exploitation of the follow-up underground space is hindered, another aspect open cut engineering, which first excavates the construction procedure backfilled afterwards, influences the duration to increase again
Cost.Shield method is a kind of relatively advanced method for tunnel construction using shield machine construction, but the apparatus expensive such as shield machine,
Need to excavate larger starting well and received well, vertical transport is expensive, while working environment needs divulge information illumination, construction cost
It is very high.Push bench process is that the tube coupling that will be preset is pushed into the engineering method that stratum forms tunnel one by one, and the engineering method is limited by length is pushed away surely
Larger, route is longer, and thrust loss is bigger, therefore is not suitable for long distance construction.And shallow mining method tunnel is slow, tedious process, peace
Full blast danger is big, and high cost.
The problem of tunnel excavation method more than as can be seen here has different, is badly in need of a kind of new tunnel construction side of exploitation
Method and equipment, to save engineering construction cost, improve efficiency of construction, ensure construction safety.
In view of drawbacks described above, creator of the present invention obtains of the invention a kind of shallow finally by prolonged research and practice
Bury tunneling method and system.
The content of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention be there is provided a kind of shallow tunnel construction method,
Comprise the following steps：
The first step：Determine that position is excavated on stratum, tunneling device is installed；
Second step：Milling slot, fitting recess is dug out on stratum；
3rd step：Precast concrete is assembled, and component is transported in fitting recess, component docking fastening, is spliced into frame
Shape tunnel agent structure；
4th step：Backfill slip casting, the space described in grout filling between fitting recess and tunnel agent structure；
5th step：The tunneling space soil body, tunnel is dug out between the framework of the tunnel agent structure；
6th step：Two lining structures are applied in tunnel, accessory structure is built, electromechanical equipment is installed.
Preferably, the fitting recess in the second step is excavated using incremental launching method, outward transport of being unearthed.
Preferably, the fitting recess in the second step isAgent structure in shape, the 3rd step is arranged on described
Fitting recess bottom.
A kind of shallow tunnel builds system, including tunneling device and precast concrete, the precast concrete
Component is used to build tunnel agent structure；The tunneling device includes：Underground construction portion, for excavating assembling under a subterranean formation
Groove, builds tunnel agent structure and slip casting；Ground control unit, for controlling the underground construction portion to be constructed；The ground
Control unit includes switchboards of job guide rail, Working gantry and mobile control main frame, and the Working gantry is arranged on above the switchboards of job guide rail,
The underground construction portion is arranged on below the switchboards of job guide rail, the Working gantry and the underground construction portion can together with along institute
Switchboards of job guide rail is stated to move horizontally.
Preferably, the underground construction portion is connected with the Working gantry by rotating shaft, the underground construction portion being capable of edge
The rotating shaft is vertically rotated.
Preferably, the underground construction portion includes soil compaction module, hydraulic pushing module and precast construction locating module, it is described
Soil compaction module is located at the front end in the underground construction portion, and the precast construction locating module is located at behind the underground construction portion
End, the hydraulic pushing module is arranged between the soil compaction module and the precast construction locating module；The soil compaction module
Just covered including profile control and be arranged on profile control with rotary digging excavation device, the rotary digging excavation device and just covered interior；It is described
Precast construction locating module includes inner side steel plate and outside plate, and tunnel main body is formed between the inner side steel plate and outside plate
Structure installing space, the precast construction locating module rear end is provided with Grouting Pipe；The hydraulic pushing module includes a plurality of liquid
Jack is pressed, the hydraulic jack front end connects the firm set of profile control, and rear end connects with the precast construction locating module
Connect.
Preferably, being provided with hydraulic control module and precast construction transport module, the hydraulic pressure control on the Working gantry
Molding block is connected with the hydraulic pushing module, for controlling the hydraulic jack；The precast construction transports module and institute
State the connection of precast construction locating module；The Working gantry is provided with cross slide way, and the precast construction transports module and is arranged on institute
State on cross slide way；The conveying arm can be moved in vertical direction, and the installation equipment is used to fasten precast concrete.
Preferably, the precast concrete include component, the component be rectangular structure, including front, the back side
With four sides, wherein the front and back is square, component two sides therein are joint face, the connection
Middle face is provided with connection boss or connecting groove, and the connection boss is corresponding with the connecting groove shape.
Preferably, the component includes：Intermediate member, installs for horizontal or vertical connection, constitutes tunnel agent structure
Four sides；Connecting elements, for connecting the intermediate member vertically and horizontally installed, installed in the tunnel agent structure
Corner；The joint face of the intermediate member be respectively equipped with two relative sides, the joint face of the intermediate member it is described
Connect boss and connecting groove；The joint face of the connecting elements is two adjacent sides, and the connecting elements is divided into first
Connecting elements, the second connecting elements and the 3rd connecting elements, two joint faces of first connecting elements are equipped with the company
Groove is connect, two joint faces of second connecting elements are respectively equipped with the connection boss and connecting groove, and the described 3rd connects
Two joint faces of connection member are equipped with the connection boss.
Preferably, the joint face corner position of the component is provided with the bolt connecting hole of insertion, the intermediate member is set altogether
There are four bolt connecting holes, the connecting elements is altogether provided with eight bolt connecting holes.
Compared with the prior art the beneficial effects of the present invention are：
The present invention provides a kind of new shallow tunnel construction method and device, and this method has first performed body junction in the earth formation
Structure, it is rear to excavate internal soil body formation tunnel, it can largely reduce stratum using this method progress tunneling and excavate and supporting knot
The use of structure, saves engineering construction cost, improves efficiency of construction, ensures construction safety.
Tunnel agent structure is built by precast concrete in the present invention, and the component is readily transported, between component
Connected by connecting boss and connecting groove, it is easy for installation, connection error can be avoided, and fastened by connecting bolt,
Ensure the intensity of tunnel agent structure.
Brief description of the drawings
, below will be to being wanted needed for embodiment description in order to illustrate more clearly of the technical scheme in various embodiments of the present invention
The accompanying drawing used is briefly described.
Fig. 1 is the structure chart of tunneling device；
Fig. 2 is the structure chart of tunneling device ground control unit；
Fig. 3 is the structure chart in tunneling device underground construction portion；
Fig. 4 is the structural perspective of the connecting elements of precast concrete first；
Fig. 5 is the structural perspective of the connecting elements of precast concrete second；
Fig. 6 is the structural perspective of the connecting elements of precast concrete the 3rd；
Fig. 7 is the structural perspective of precast concrete intermediate member；
Fig. 8 is the structural perspective that precast concrete is built into tunnel soil body structure；
Fig. 9 is the construction process concept map of shallow tunnel construction method.
Numeral is represented in figure：
1. the switchboards of job guide rail 13. of 2. underground construction portion of ground control unit, 11. Working gantry 12. moves control main frame
14. the precast construction of hydraulic control module 15. transports the rotary digging excavation device of 21. soil compaction module of module 22.
23. the connecting elements of 24. precast construction locating module of hydraulic pushing module, 3. tunnel main body mechanism 31. first
32. the connecting groove 36. of the second 34. intermediate member of the 3rd connecting elements of connecting elements 33. 35. connects boss
37. the lining structure of 4. fitting recess of bolt hole, 5. tunnel 6. 2
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are described in more detail.
<Shallow tunnel builds system>
A kind of shallow tunnel builds system, including：
Tunneling device, tunnel is built for excavating；
And precast concrete, for building tunnel agent structure.
The tunneling device includes：
Underground construction portion, for excavating fitting recess under a subterranean formation, builds tunnel agent structure and slip casting；
With ground control unit, for controlling the underground construction portion to be constructed.
The shallow tunnel system of building can realize a kind of new shallow tunnel construction method, and tunnel is first passed through using the system
Road builds device and digs out fitting recess in the earth formation, has performed tunnel agent structure with precast concrete in fitting recess, after
The soil body inside tunneling agent structure, forms tunnel.
<Tunneling device>
With reference to shown in Fig. 1, a kind of tunneling device, including ground control unit 1 and underground construction portion 2, the underground is applied
The Ministry of worker 2 is used to excavate fitting recess under a subterranean formation, builds tunnel agent structure and slip casting；The ground control unit 1 is used to control institute
Underground construction portion is stated to be constructed.
With reference to shown in Fig. 2, the ground control unit 1 includes Working gantry 11, switchboards of job guide rail 12 and mobile control main frame 13,
The Working gantry 11 is arranged on the top of switchboards of job guide rail 12.The underground construction portion 2 is arranged on the lower section of switchboards of job guide rail 12, Neng Gouyu
Working gantry 11 is moved horizontally along switchboards of job guide rail 12 together, can control construction location according to project situation.
Hydraulic control module 14 is installed on the Working gantry 11 and precast construction transports module 15.The Working gantry
11 are provided with cross slide way, and the precast construction is transported module 15 and is arranged on the cross slide way, can left and right moving control it is prefabricated
The transporting position of concrete component.The precast construction, which transports module 15, to be included conveying arm and installs equipment, the conveying arm energy
Moved under enough in the vertical directions, installing equipment is used to precast concrete is positioned and fastened.Precast construction is transported
Module 15 is pre-installed to precast concrete on the ground by installing equipment, and precast concrete will be transported by conveying arm
In component to ground end fitting recess, and fastened by installation equipment, precast construction transports the convenient control of module 15, and spelling is effectively ensured
Connect quality.
With reference to shown in Fig. 3, the underground construction portion 2 it is overall intoShape, tunnel body junction is built at lower frame position
Structure, the shape in underground construction portion 2 can reduce stratum excavation, save engineering construction cost, improve efficiency of construction.Underground construction portion
2 include soil compaction module 21, hydraulic pushing module 23 and precast construction locating module 24.The construction located underground of soil compaction module 21
The front end in portion 2, it includes profile control just set and rotary digging excavation device 22, and the rotary digging excavation device 22 is arranged on the profile
Control is just in set.Rotary digging excavation device 22 is installed according to shoveling direction, the rotary digging being arranged in the firm set straight flange of profile control is unearthed
Device 22 is vertically-mounted, and the rotary digging excavation device being arranged in the firm set horizontal edge of profile control is horizontally mounted, and rotary digging, which is unearthed, to be filled
Put 22 and the soil dug out is transported to ground, realize that stratum is excavated, by profile control just set control channel dredging shape.The prefabricated knot
The rear end in the construction portion 2 located underground of structure locating module 24, including inner side steel plate and outside plate, the inner side steel plate and outside steel
Plate shape is into tunnel agent structure installing space, for positioning precast concrete, completes tunnel agent structure and builds.It is described pre-
The rear end of structure positioning module 24 processed is provided with Grouting Pipe, for grouting construction.The hydraulic pushing module 23 is arranged on the soil compaction
It is that soil compaction module 21 is moved forward and precast construction locating module 24 is fixed and carried between module 21 and precast construction locating module 24
For power.The hydraulic pushing module 24 includes a plurality of hydraulic jacks, the hydraulic jack front end connection profile control
Just cover, rear end is connected with precast construction locating module.The hydraulic pushing module of the hydraulic control module 14 and ground control unit 1
23 connections, hydraulic pushing module 23 can control the hydraulic jack to work.The precast construction transport module 15 with it is described
Precast construction locating module 24 is connected, and transport module 15 by precast construction is transported to prefabricated knot by advance assembled concrete component
Structure locating module 24.
The tunneling device is arranged on selected stratum and excavates position, the mobile control main frame 13 of operation makes workbench
Frame 11 and underground construction portion 2 are moved to correct position on switchboards of job guide rail 12.Dig out and originate respectively before and after tunneling position
Well and received well, the thrust of the control hydraulic pushing of hydraulic control module 14 module 23, promote soil compaction module 21 to move forward to construction
Position.The pushing tow of rotary digging excavation device 22 excavates stratum, outward transport of being unearthed, and digs out in the earth formationShape fitting recess.Hydraulic control mould
Block 14 is acted on precast construction locating module 24, is positioned in fitting recess.It is horizontal in Working gantry 11 that precast construction transports module 15
Correct position is moved on direction guiding rail, precast concrete is pre-installed, the component being pre-installed is transported to pre- by conveying arm
Structure positioning module 24 processed, installs equipment and precast concrete is positioned and fastened, frame is built into fitting recess bottom
Shape tunnel agent structure.Precast construction locating module 24 moves forward, and departs from tunnel agent structure, is filled by Grouting Pipe grout fillingSpace in shape groove, grouting pressure and grouting amount are controlled by technological requirement.Dug after slip casting between the framework of agent structure
Go out tunnel, underground construction portion, which is moved forward to, removes bottom on received well.
Using the tunneling device can largely reduce stratum excavate and supporting construction use, save engineering construction into
This, improves efficiency of construction, ensures construction safety.
<Precast concrete>
A kind of precast concrete, for building tunnel agent structure.With reference to shown in Fig. 4-7, the component is rectangular
Body structure, including front, the back side and four sides.Component two sides therein are joint face, and front and back is square,
Component can adjust closure as needed, joint face is attached relatively.Provided with connection boss in the middle part of the joint face
36 or connecting groove 35, the connection boss 36 is truncated cone-shaped, and the connecting groove 35 is reverse frustoconic, when connection boss 36 is inserted
Connection is formed when entering connecting groove 35 between component.The outside for connecting boss 36 is provided with rubber ring, and connection can be made firm, connects
Precision is improved.
The component is divided into intermediate member 34 and connecting elements, and intermediate member 34 is used for horizontal or vertical connection and installed, structure
Into four sides of tunnel agent structure, connecting elements is arranged on the corner of the tunnel agent structure, for connecting vertically and horizontally
The intermediate member 34 of installation, four corners of the joint face of the component are provided with the bolt connecting hole 37 of insertion, the bolt
The direction of connecting hole 37 is vertical with corresponding joint face, for being fastened by connecting bolt to splicing component, makes connection firm, carries
High bonding strength.
The joint face of the connecting elements is altogether provided with eight bolt connecting holes on two adjacent sides, connecting elements
37.According to connection boss 36 and/or connecting groove 35 is provided that on joint face, the connecting elements is divided into the first connecting elements
31st, the second connecting elements 32 and the 3rd connecting elements 33.As shown in figure 4, being all provided with two joint faces of the first connecting elements 31
There is the connecting groove 35.As shown in figure 5, being respectively equipped with the connection boss 36 on two joint faces of the second connecting elements 32
With connecting groove 35.As shown in fig. 6, being equipped with the connection boss 36 on two joint faces of the 3rd connecting elements 33.
As shown in fig. 7, the joint face of the intermediate member 34 is two relative sides, four are provided with intermediate member 34 altogether
The connection boss 36 and connecting groove 35 are respectively equipped with individual bolt connecting hole 37, two joint faces of intermediate member 34.
As shown in figure 8, it is the frame shape tunnel agent structure being built into the precast concrete, wherein left side bottom
Angle is the first connecting elements 31, and left side drift angle and right side base angle are the second connecting elements 32, and right side drift angle is the 3rd connecting elements
33, up and down horizontal edge be made up of the intermediate member 34 being horizontally mounted, left and right vertical edge is made up of vertically-mounted intermediate member 34.It connects
The form of connecing is that the joint face of each component is contacted with the joint face of adjacent members, and the connection insertion of boss 36 connecting groove 35 is formed
Bolt connecting hole 37 between connection, adjacent members is connected, and connection fastening is realized by connecting bolt.
The precast concrete is simple in construction, easy to make, and replaceability is strong, and component is readily transported installation, component
Between connected by connecting boss and connecting groove, connection error can be avoided, difficulty of construction can be effectively reduced, construction is improved
Efficiency.
<Shallow tunnel construction method>
As shown in figure 9, a kind of shallow tunnel construction method, it is characterised in that comprise the following steps：
The first step：As shown in A in figure, determine that position is excavated on stratum, tunneling device is installed.
Second step：As shown in B in figure, incremental launching method is excavated, outward transport of being unearthed, and is dug out on stratumShape fitting recess 4,
Stratum is reduced to excavate.
3rd step：As shown in C in figure, component is transported to the bottom of fitting recess 4, component pair by precast concrete assembling
Fastening is connect, frame shape tunnel agent structure 3 is spliced into.
4th step：As shown by d in the figure, backfill slip casting, the space between grout filling fitting recess 4 and tunnel agent structure 3,
Raising, stratum or impervious and globality, improve foundation condition.
5th step：As shown in E in figure, the tunneling space soil body digs out tunnel 5 between the tunnel agent structure 3,
The use of supporting construction is reduced, engineering construction cost can be saved, efficiency of construction is improved.
6th step：As shown in F in figure, two lining structures 6 are performed in tunnel 5, bearing capacity is improved, plays waterproof action,
And accessory structure is built, electromechanical equipment is installed.
The shallow tunnel construction method has first performed tunnel agent structure 3 in the earth formation, rear to excavate internal soil body formation tunnel
Road 5, using this method carry out tunneling can largely reduce stratum excavate and supporting construction use, save engineering construction into
This, improves efficiency of construction, ensures construction safety.
<The deformation of above-mentioned embodiment>
The present embodiment part different from the embodiment described above is, the underground construction portion 2 of the tunneling device and work
Make stand 11 to connect by rotating shaft, can vertically be rotated along rotating shaft, realize that the oblique entrance stratum in underground construction portion 2 is constructed.
During using the present apparatus, the beveling of underground construction portion 2 enters ground, and the thrust of the control hydraulic pushing of hydraulic control module 14 module 23 is pushed away
Dynamic soil compaction module 21 is swung down to vertical construction position.Underground construction portion 2 is moved forward after certain distance after the completion of construction, to
It is upper to rotate, stratum is left, equipment is completed and reclaims.
Presently preferred embodiments of the present invention is the foregoing is only, is merely illustrative for the purpose of the present invention, and it is non-limiting
's.Those skilled in the art understands, many changes can be carried out to it in the spirit and scope that the claims in the present invention are limited,
Modification, in addition it is equivalent, but fall within protection scope of the present invention.
Claims (10)
1. a kind of shallow tunnel construction method, it is characterised in that comprise the following steps：
The first step：Determine that position is excavated on stratum, tunneling device is installed；
Second step：Milling slot, fitting recess is dug out on stratum；
3rd step：Precast concrete is assembled, and component is transported in the fitting recess, component docking fastening, is spliced into frame
Shape tunnel agent structure；
4th step：Backfill slip casting, the space described in grout filling between fitting recess and tunnel agent structure；
5th step：The tunneling space soil body, tunnel is dug out between the framework of the tunnel agent structure；
6th step：Two lining structures are applied in tunnel, accessory structure is built, electromechanical equipment is installed.
2. shallow tunnel construction method as claimed in claim 1, it is characterised in that the fitting recess in the second step uses top
Pushing manipulation is excavated, outward transport of being unearthed.
3. shallow tunnel construction method as claimed in claim 2, it is characterised in that the fitting recess in the second step isAgent structure in shape, the 3rd step is arranged on the fitting recess bottom.
4. a kind of shallow tunnel builds system, it is characterised in that including tunneling device and precast concrete, described pre-
Concrete component processed is used to build tunnel agent structure；The tunneling device includes：
Underground construction portion, for excavating fitting recess under a subterranean formation, builds tunnel agent structure and slip casting；
Ground control unit, for controlling the underground construction portion to be constructed；
The ground control unit includes switchboards of job guide rail, Working gantry and mobile control main frame, and the Working gantry is arranged on described
Above switchboards of job guide rail, the underground construction portion is arranged on below the switchboards of job guide rail, the Working gantry and the underground construction
Portion can be moved horizontally along the switchboards of job guide rail together.
5. shallow tunnel as claimed in claim 4 builds system, it is characterised in that the underground construction portion and the workbench
Frame is connected by rotating shaft, and the underground construction portion can vertically be rotated along the rotating shaft.
6. the shallow tunnel as described in claim 4 or 5 builds system, it is characterised in that the underground construction portion includes soil compaction
Module, hydraulic pushing module and precast construction locating module, the soil compaction module are located at the front end in the underground construction portion, described
Precast construction locating module be located at the underground construction portion rear end, the hydraulic pushing module be arranged on the soil compaction module and
Between the precast construction locating module；The soil compaction module includes profile control just set and rotary digging excavation device, the rotary digging
Excavation device is arranged on profile control, and just set is interior；The precast construction locating module includes inner side steel plate and outside plate,
Tunnel agent structure installing space is formed between the inner side steel plate and outside plate, the precast construction locating module rear end is set
There is Grouting Pipe；The hydraulic pushing module includes a plurality of hydraulic jacks, and the hydraulic jack front end connects the profile
Control is just covered, and rear end is connected with the precast construction locating module.
7. shallow tunnel as claimed in claim 6 builds system, it is characterised in that hydraulic pressure control is provided with the Working gantry
Molding block and precast construction transport module, and the hydraulic control module is connected with the hydraulic pushing module, described for controlling
Hydraulic jack；The precast construction is transported module and is connected with the precast construction locating module；The Working gantry is provided with horizontal stroke
Direction guiding rail, the precast construction is transported module and is arranged on the cross slide way；The precast construction, which transports assembling module, to be included
Conveying arm and installation equipment, the conveying arm can be moved in vertical direction, and the installation equipment is used to fasten precast concrete
Component.
8. the shallow tunnel as described in claim 4 or 5 builds system, it is characterised in that the precast concrete includes
Component, the component is rectangular structure, including front, the back side and four sides, wherein the front and back is square,
Component two sides therein are provided with connection boss or connecting groove, the connection in the middle part of joint face, the joint face
Boss is corresponding with the connecting groove shape.
9. shallow tunnel as claimed in claim 8 builds system, it is characterised in that the component includes：
Intermediate member, installs for horizontal or vertical connection, constitutes four sides of tunnel agent structure；
Connecting elements, for connecting the intermediate member vertically and horizontally installed, installed in the four of the tunnel agent structure
Angle；
The joint face of the intermediate member is to be respectively equipped with the company on two relative sides, the joint face of the intermediate member
Connect boss and connecting groove；The joint face of the connecting elements is two adjacent sides, and the connecting elements is divided into the first company
Connection member, the second connecting elements and the 3rd connecting elements, two joint faces of first connecting elements are equipped with the connection
Groove, two joint faces of second connecting elements are respectively equipped with the connection boss and connecting groove, the 3rd connection
Two joint faces of component are equipped with the connection boss.
10. shallow tunnel as claimed in claim 9 builds system, it is characterised in that the joint face corner position of the component
Bolt connecting hole provided with insertion, the intermediate member is altogether provided with four bolt connecting holes, and the connecting elements is provided with altogether
Eight bolt connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109594992A (en) * | 2019-01-16 | 2019-04-09 | 中铁隧道股份有限公司 | A kind of juxtaposition tunneling method |
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