CN108979662A - Tunnel prefabrication and assembly construction lining cutting splicing structure and its method - Google Patents
Tunnel prefabrication and assembly construction lining cutting splicing structure and its method Download PDFInfo
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- CN108979662A CN108979662A CN201810864292.1A CN201810864292A CN108979662A CN 108979662 A CN108979662 A CN 108979662A CN 201810864292 A CN201810864292 A CN 201810864292A CN 108979662 A CN108979662 A CN 108979662A
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- lining cutting
- assembly construction
- construction lining
- assembly
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- 238000005520 cutting process Methods 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title claims abstract description 130
- 238000009417 prefabrication Methods 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title abstract description 17
- 238000003032 molecular docking Methods 0.000 claims abstract description 6
- 125000003367 polycyclic group Chemical group 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims abstract description 4
- 238000007569 slipcasting Methods 0.000 claims description 28
- 230000007306 turnover Effects 0.000 claims description 27
- 239000011435 rock Substances 0.000 claims description 14
- 238000009412 basement excavation Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 6
- 238000003892 spreading Methods 0.000 claims description 6
- 230000007480 spreading Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007363 ring formation reaction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000005641 tunneling Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to tunnel prefabrication and assembly construction lining cutting splicing structure and its method, the prefabrication and assembly construction lining cutting of the splicing structure is formed by being longitudinally divided into prefabrication and assembly construction lining cutting arc plate splicing polycyclic, that circumferential radiation is divided into multi-disc again；Longitudinally through reserving hole is provided on prefabrication and assembly construction lining cutting arc plate, high-strength bolt is inserted into reserving hole, high-strength bolt on longitudinally adjacent two panels prefabrication and assembly construction lining cutting arc plate is connected by the high-strength connector being arranged at docking, so that longitudinally adjacent two panels prefabrication and assembly construction lining cutting arc plate is spliced.The present invention uses prefabrication and assembly construction lining cutting, can the factorial production, assembly lining cutting connected by setting high-strength bolt in preformed hole, can guarantee be connected and fixed it is convenient, auxiliary is controlled with accurate measurement, and the assembly of prefabrication and assembly construction lining cutting is rapidly completed, and guarantees the splicing accuracy of precast assembly lining cutting.
Description
Technical field
The invention belongs to tunnel traffic field of engineering technology, and in particular to a kind of tunnel prefabrication and assembly construction lining cutting splicing structure and
Its method.
Background technique
Other than the part tunnel built using shield or TBM is assembled using prefabricated pipe section, mountain ridge highway, railway are being built
When tunnel, the most tunnels built using New Austrian Tunneling Method (drilling and blasting method etc.) are all using cast-in-place lining cutting.Weak surrounding rock condition
Under, in order to guarantee safety for tunnel engineering, lining cutting should construct in time, cannot be too far apart from face, lining construction after tunnel excavation
Time on also require.Using cast-in-place lining cutting, the multiple working procedures such as live assembling reinforcement, formwork erection, casting concrete in hole are needed,
The progress of New Austrian Tunneling Method construction tunnel is constrained, and cast-in-place lining cutting is restricted by environmental factor, construction quality should not control.In addition, high
Under the specific conditions such as former and High aititude when constructing tunnel, temperature is low, and under low oxygen concentration environmental condition, cast-in-place lining construction is difficult,
Under freezing up effect, the diseases such as lining cutting leak, icing are easy to happen during operation.
How construction adopts an effective measure, and reduces the cast-in-place lining construction time in tunnel, guarantees construction quality, accelerates tunnel
The problem of construction speed is always Tunnel Engineering technical staff concern.Currently, all increasingly concern is environmentally friendly and green in world wide
Color building technology is advocated use prefabricated assembly structural system energetically, with the promotion of engineering technology and equipment manufacturing level, tunnel
Construction will become a direction of tunneling technique development using prefabrication and assembly construction lining cutting.
Summary of the invention
The object of the present invention is to provide a kind of tunnel prefabrication and assembly construction lining cutting splicing structure and its methods, by prefabricated in tunnel
Reserving hole in lining cutting is assembled, the method that high-strength bolt is attached is penetrated in hole, solves prefabrication and assembly construction lining cutting rearward
The quick-assembling of prefabrication and assembly construction lining cutting and accurate positioning problem in assembled problem in the case of not supporting, and construction.It is spelling
In front of the prefabrication and assembly construction lining cutting installed, by using double end to be fixed temporarily Stud connection in front of connector, and curtain is successively installed
Cloth rubber slab is fixed temporarily Circular Plate and turnover panel etc., and temporary enclosing structure is formed between assembled lining cutting and country rock, then by
Built-in slip casting pipe in prefabrication and assembly construction lining cutting carries out slip casting, fills the enclosure space between prefabrication and assembly construction lining cutting and country rock, avoids
Slurries leakage, solves the problems, such as the closely connected common stress between prefabrication and assembly construction lining cutting and country rock, guarantees the structure of prefabrication and assembly construction lining cutting
Effective force guarantees the safely and fast construction of prefabrication and assembly construction trimmed tunnel.
The technical scheme adopted by the invention is as follows:
Tunnel prefabrication and assembly construction lining cutting splicing structure, it is characterised in that:
By being longitudinally divided into, polycyclic, circumferential radiation is divided into the prefabrication and assembly construction lining cutting of multi-disc again for the prefabrication and assembly construction lining cutting of the splicing structure
Arc plate splicing composition；
It is provided with longitudinally through reserving hole on prefabrication and assembly construction lining cutting arc plate, is inserted into high-strength bolt, Zong Xiangxiang in reserving hole
High-strength bolt on adjacent two panels prefabrication and assembly construction lining cutting arc plate is connected by the high-strength connector being arranged at docking, so that longitudinal
Adjacent two panels prefabrication and assembly construction lining cutting arc plate is spliced.
Built-in slip casting pipe that is circumferential and penetrating through is provided perpendicular on prefabrication and assembly construction lining cutting arc plate.
Groove is arranged in the reserving hole hole of prefabrication and assembly construction lining cutting arc plate longitudinal terminal surface, the longitudinal two sections of high-strength bolts of connection
High-strength connector is nut or threaded sleeve, and nut or threaded sleeve are located in groove, so that longitudinally adjacent two
Piece prefabrication and assembly construction lining cutting arc plate closely splices.
Plate-steel liner is set on the inside of high-strength connector.
It is provided in ring week and is blocked between tunnel excavation contour line and prefabrication and assembly construction lining cutting on prefabrication and assembly construction lining cutting circumferential direction end face
The slip casting in gap assists plugging structure, and it includes that circumferentially disposed multi-disc is fixed temporarily Circular Plate and cord that slip casting, which assists plugging structure,
Rubber slab；
Cord rubber slab one end is attached at the longitudinal terminal surface of prefabrication and assembly construction lining cutting arc plate, and outside, which covers, to be fixed temporarily Circular Plate and lead to
It crosses to be fixed temporarily stud, washer and be fixed temporarily and be secured with nuts, the other end of cord rubber slab is covered in tunnel excavation profile
Outside gap between line and prefabrication and assembly construction lining cutting.
The longitudinally outer end for being fixed temporarily Circular Plate is provided with turnover panel, and turnover panel is located on the outside of cord rubber slab.
Turnover panel is installed to by fixed plate and pin shaft and is fixed temporarily in Circular Plate；
Fixed plate top, which is bonded to, to be fixed temporarily in Circular Plate, and bottom end is provided with lateral guide；
Turnover panel top two sides are also equipped with guide and are located at the guide two sides of fixed plate, are connected by being inserted into pin shaft.
End part of pin shaft is provided with cotter-pin hold and is provided with split pin.
The stud that is fixed temporarily for being fixed temporarily Circular Plate is that double end is fixed temporarily stud, inside and prefabrication and assembly construction lining cutting arc
High-strength bolt on plate is fixedly connected by the high-strength connector at docking.
The construction method of tunnel as mentioned prefabrication and assembly construction lining cutting splicing structure, it is characterised in that:
The following steps are included:
Step 1: tunnel excavation starts assembled prefabrication and assembly construction lining cutting after face certain distance, before assembled, first to enclosing
Rock is modified, then spreading high-strength bolt, and high-strength bolt is penetrated prefabrication and assembly construction lining cutting, and high-strength connector is used after having good positioning
It is fixed；Prefabrication and assembly construction lining cutting is assembled from lower to upper, and two sides symmetrically carry out, last assembly top block；
Step 2: after the assembled cyclization of prefabrication and assembly construction lining cutting, stud spreading high-strength bolt is fixed temporarily by double end, then in double end
It is fixed temporarily on stud and cord rubber slab is successively installed, is fixed temporarily Circular Plate, carried out using washer and being fixed temporarily with nut
Fixed, successively installation is until loopful installs, and should place cord rubber slab；
Step 3: turnover panel is fixed on using pin shaft and is fixed temporarily in the fixed plate that Circular Plate is connected, successively pacified by installation turnover panel
Dress until loopful is installed, and should place turnover panel；
Step 4: carrying out back-grouting by the built-in slip casting pipe being reserved in prefabrication and assembly construction lining cutting, wants in slurry intensity satisfaction
After asking, removes slip casting and assist plugging structure, carry out the assembly of next ring prefabrication and assembly construction lining cutting.
The invention has the following advantages that
Firstly, the present invention uses prefabrication and assembly construction lining cutting compared to traditional New Austrian Tunneling Method (drilling and blasting method) construction tunnel cast-in-place lining cutting, it can
The factorial production, quality is relatively reliable, reduces in-cavity construction workload, improves construction efficiency.Secondly, assembly lining cutting is by reserving
In hole be arranged high-strength bolt connect, can guarantee be connected and fixed it is convenient, auxiliary controlled with accurate measurement, prefabrication and assembly construction is rapidly completed
The assembly of lining cutting.In addition, the present invention can be after the completion of prefabrication and assembly construction lining cutting be assembled, then in lining cutting unified slip casting behind, guarantee
It assembles closely connected between lining cutting and country rock.It is prefabricated to guarantee by control spray-up positioning accuracy compared to spray-up of first constructing in the past
The method of lining cutting splicing accuracy is assembled, practicability is stronger.Moreover, using the method for first assembled lining cutting grouting behind shaft or drift lining, it can be in lining cutting
It rectifies a deviation during assembled, avoids error accumulation, guarantee the splicing accuracy of the long distance construction of precast assembly lining cutting.
Detailed description of the invention
Fig. 1 is the longitudinal assembled positioning signal of prefabrication and assembly construction lining cutting.
Fig. 2 is that schematic diagram is arranged in the longitudinally connected high-strength bolt of prefabrication and assembly construction lining cutting.
Fig. 3 is lining cutting back-grouting plugging system front elevation.
Fig. 4 is to be fixed temporarily Circular Plate structure chart.
Fig. 5 is lining cutting back-grouting plugging system side view.
Fig. 6 is that prefabrication and assembly construction lining cutting back-grouting blocks detail drawing.
Fig. 7 is prefabrication and assembly construction lining cutting high-strength bolt connection figure.
Fig. 8 is Fig. 7 exploded view.
Fig. 9 is fixed plate elevation.
Figure 10 is fixed plate side view.
Figure 11 is turnover panel elevation.
Figure 12 is turnover panel side view.
Figure 13 is cord rubber slab structure chart.
Figure 14 is pin shaft structure figure.
Figure 15 is cotter pin configuration figure.
In figure, 1- prefabrication and assembly construction lining cutting；2- reserves connecting hole；3- high-strength bolt；4- built-in slip casting pipe；5- country rock；6- high
Strong ties device；7- plate-steel liner；8- is fixed temporarily Circular Plate；9- turnover panel；10- cord rubber slab；11- double end is fixed temporarily spiral shell
Column；12-, which is fixed temporarily, uses nut；13- washer；14- assembly lining cutting back-grouting；15- tunnel excavation contour line；16- guide；
17- fixed plate；18- reserving hole；19- pin shaft；20- cotter-pin hold；21- split pin；22- cord rubber slab fixation hole.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The present invention relates to a kind of tunnel prefabrication and assembly construction lining cutting splicing structure, the prefabrication and assembly construction lining cutting 1 of the splicing structure by
Prefabrication and assembly construction lining cutting arc plate splicing polycyclic, that circumferential radiation is divided into multi-disc again is longitudinally divided into form；On prefabrication and assembly construction lining cutting arc plate
It is provided with longitudinally through reserving hole 18, high-strength bolt 3, longitudinally adjacent two panels prefabrication and assembly construction lining are inserted into reserving hole 18
The high-strength bolt 3 built on arc plate is connected by the high-strength connector 6 being arranged at docking, so that the prefabricated dress of longitudinally adjacent two panels
Spliced with lining cutting arc plate.The quantity and size of reserving hole 18 are comprehensive according to the thickness and weight of prefabrication and assembly construction lining cutting piecemeal
It calculates and determines.18 diameter of reserving hole should be 5~10mm bigger than the diameter of high-strength bolt 3, and assembled there may be larger mistakes in the process
It takes large values when poor, and during assembly, the every ring assembly error of strict control avoids causing with the increase of assembled bout length
Limit is invaded in its error accumulation.3 length of high-strength bolt should generally take the ring width of prefabrication and assembly construction lining cutting 1, and be considered as certain error, with
Just there is adjustment leeway in practical assembling construction.
Built-in slip casting pipe 4 that is circumferential and penetrating through is provided perpendicular on prefabrication and assembly construction lining cutting arc plate, for carrying out prefabricated dress
With 1 back-grouting of lining cutting, the hole between prefabrication and assembly construction lining cutting 1 and country rock 5 is filled, guarantees the closely connected biography of prefabrication and assembly construction lining cutting 1
Power and stabilization.Built-in slip casting pipe 4 can also not penetrate through first locally, disclose out after assembled further according to needs.
Groove is arranged in 18 hole of reserving hole of prefabrication and assembly construction lining cutting arc plate longitudinal terminal surface, connects longitudinal two sections of high-strength bolts
3 high-strength connector 6 is nut or threaded sleeve, and nut or threaded sleeve are located in groove, so that longitudinally adjacent
Two panels prefabrication and assembly construction lining cutting arc plate closely splice.It, can be by the way that steel be arranged to prevent the part of prefabrication and assembly construction lining cutting 1 stress excessive
Plate liner 7 increases forced area, guarantees the local bearing strength of prefabrication and assembly construction lining cutting 1.High-strength connector 6 should can apply certain
Pre-applied force, it is temporarily fixed in the case where guaranteeing prefabrication and assembly construction lining cutting 1 rearward without support.
It is provided in ring week on the circumferential end face of prefabrication and assembly construction lining cutting 1 and blocks tunnel excavation contour line 15 and prefabrication and assembly construction lining cutting 1
Between gap slip casting assist plugging structure, prevent the channelling in lining cutting back-grouting, the auxiliary for meeting lining cutting back-grouting is arranged
It applies, it is i.e. dismountable and reusable after slip casting is completed and its intensity is met the requirements.It includes circumferential direction that slip casting, which assists plugging structure,
The multi-disc of arrangement is fixed temporarily Circular Plate 8 and cord rubber slab 10；10 one end of cord rubber slab is attached at prefabrication and assembly construction lining cutting arc
The longitudinal terminal surface of plate, outside, which covers, to be fixed temporarily Circular Plate 8 and uses nut by being fixed temporarily stud, washer 13 and being fixed temporarily
12 is fixed, and the other end of cord rubber slab 10 covers outside the gap between tunnel excavation contour line 15 and prefabrication and assembly construction lining cutting 1.
The longitudinally outer end for being fixed temporarily Circular Plate 8 is provided with turnover panel 9, and turnover panel 9 is located at 10 outside of cord rubber slab.Turnover panel 9 passes through fixation
Plate 17 and pin shaft 19, which are installed to, to be fixed temporarily in Circular Plate 8；17 top of fixed plate, which is bonded to, to be fixed temporarily in Circular Plate 8, bottom end
It is provided with lateral guide 16；9 top two sides of turnover panel are also equipped with guide 16 and are located at 16 two sides of guide of fixed plate 17, pass through
Insertion pin shaft 19 is connected.19 end of pin shaft is provided with cotter-pin hold 20 and is provided with split pin 21.It is fixed temporarily Circular Plate 8
Being fixed temporarily stud is that double end is fixed temporarily stud 11, inside and the high-strength bolt 3 on prefabrication and assembly construction lining cutting arc plate by pair
The high-strength connector 6 at the place of connecing is fixedly connected.9 length of turnover panel should be slightly longer at a distance from country rock 5 than 1 outside of prefabrication and assembly construction lining cutting, and
And stable can be supported on country rock 5, play the plugging action during slip casting.Cord rubber slab 10 should be than the length of turnover panel 9
Long 10~15cm, the deformation for adapting to may cause during slip casting is without spillage.
The construction method of above-mentioned tunnel prefabrication and assembly construction lining cutting splicing structure, specifically includes the following steps:
Step 1: tunnel excavation starts assembled prefabrication and assembly construction lining cutting 1 after face certain distance, before assembled, first to enclosing
Rock 5 is modified, and must not have deficient digging, avoids the assembled space for influencing prefabrication and assembly construction lining cutting.Then spreading high-strength bolt 3, will be high
Strong screw rod 3 penetrates prefabrication and assembly construction lining cutting 1, is fixed after having good positioning using high-strength connector 6；Prefabrication and assembly construction lining cutting 1 from it is lower toward
Upper assembly, two sides symmetrically carry out, last assembly top block；
Step 2: after the assembled cyclization of prefabrication and assembly construction lining cutting 1,11 spreading high-strength bolt 3 of stud is fixed temporarily by double end, is then existed
Double end, which is fixed temporarily on stud 11, successively to be installed cord rubber slab 10, is fixed temporarily Circular Plate 8, using washer 13 and is fixed temporarily
It is fixed with nut 12, successively installation is until loopful installs, and should place cord rubber slab 10；
Step 3: turnover panel 9 is fixed on and the fixed plate 17 that is fixed temporarily Circular Plate 8 and is connected by installation turnover panel 9 using pin shaft 19
On, it successively installs, until loopful is installed, and turnover panel 9 should be placed；
Step 4: back-grouting is carried out by the built-in slip casting pipe 4 being reserved in prefabrication and assembly construction lining cutting 1.General slip casting should can two
Secondary progress.When first slip casting, early strength agent should be generally added, and makes slurries that there is water penetration, strict control grouting pressure guarantees just
Prefabrication and assembly construction lining cutting 1 can be sufficiently supported after secondary slip casting.After slurry intensity is met the requirements, dismountable interim pre-buried Circular Plate
Etc. interim slip casting auxiliary member, the assembly of next ring prefabrication and assembly construction lining cutting 1 is carried out.After first slip casting, country rock should be allowed to have certain
Deformation, injecting cement paste can bear certain deformability.
Step 5: it after the assembled segment length of prefabrication and assembly construction lining cutting 1, carries out secondary supplement slip casting when necessary as needed, protects
Demonstrate,prove the density between prefabrication and assembly construction lining cutting 1 and country rock 5.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (10)
1. tunnel prefabrication and assembly construction lining cutting splicing structure, it is characterised in that:
By being longitudinally divided into, polycyclic, circumferential radiation is divided into the prefabrication and assembly construction of multi-disc again for the prefabrication and assembly construction lining cutting (1) of the splicing structure
Lining cutting arc plate splicing composition；
It is provided with longitudinally through reserving hole (18) on prefabrication and assembly construction lining cutting arc plate, high-strength bolt is inserted into reserving hole (18)
(3), the high-strength bolt (3) on longitudinally adjacent two panels prefabrication and assembly construction lining cutting arc plate passes through the high-strength connector that is arranged at docking
(6) it is connected, so that longitudinally adjacent two panels prefabrication and assembly construction lining cutting arc plate is spliced.
2. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 1, it is characterised in that:
Built-in slip casting pipe (4) that is circumferential and penetrating through is provided perpendicular on prefabrication and assembly construction lining cutting arc plate.
3. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 1, it is characterised in that:
Groove is arranged in reserving hole (18) hole of prefabrication and assembly construction lining cutting arc plate longitudinal terminal surface, connects longitudinal two sections of high-strength bolts
(3) high-strength connector (6) is nut or threaded sleeve, and nut or threaded sleeve are located in groove, so that longitudinal
Adjacent two panels prefabrication and assembly construction lining cutting arc plate closely splices.
4. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 3, it is characterised in that:
Plate-steel liner (7) are set on the inside of high-strength connector (6).
5. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 1, it is characterised in that:
It is provided in ring week on prefabrication and assembly construction lining cutting (1) circumferential direction end face and blocks tunnel excavation contour line (15) and prefabrication and assembly construction lining cutting
(1) slip casting in gap assists plugging structure between, and it includes that circumferentially disposed multi-disc is fixed temporarily annulus that slip casting, which assists plugging structure,
Plate (8) and cord rubber slab (10)；
Cord rubber slab (10) one end is attached at the longitudinal terminal surface of prefabrication and assembly construction lining cutting arc plate, and outside, which covers, is fixed temporarily Circular Plate
(8) and by being fixed temporarily stud, washer (13) and being fixed temporarily, the other end of cord rubber slab (10) fixed with nut (12)
It covers outside the gap between tunnel excavation contour line (15) and prefabrication and assembly construction lining cutting (1).
6. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 5, it is characterised in that:
The longitudinally outer end for being fixed temporarily Circular Plate (8) is provided with turnover panel (9), and turnover panel (9) is located on the outside of cord rubber slab (10).
7. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 6, it is characterised in that:
Turnover panel (9) is installed to and is fixed temporarily on Circular Plate (8) by fixed plate (17) and pin shaft (19)；
Fixed plate (17) top, which is bonded to, to be fixed temporarily on Circular Plate (8), and bottom end is provided with lateral guide (16)；
Turnover panel (9) top two sides are also equipped with guide (16) and are located at guide (16) two sides of fixed plate (17), are sold by insertion
Axis (19) is connected.
8. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 7, it is characterised in that:
Pin shaft (19) end is provided with cotter-pin hold (20) and is provided with split pin (21).
9. prefabrication and assembly construction lining cutting splicing structure in tunnel according to claim 5, it is characterised in that:
The stud that is fixed temporarily for being fixed temporarily Circular Plate (8) is that double end is fixed temporarily stud (11), and inside is served as a contrast with prefabrication and assembly construction
The high-strength bolt (3) built on arc plate is fixedly connected by the high-strength connector (6) at docking.
10. the construction method of prefabrication and assembly construction lining cutting splicing structure in tunnel as described in claim 1, it is characterised in that:
The following steps are included:
Step 1: tunnel excavation starts assembled prefabrication and assembly construction lining cutting (1) after face certain distance, right first before assembled
Country rock (5) is modified, then spreading high-strength bolt (3), high-strength bolt (3) is penetrated prefabrication and assembly construction lining cutting (1), after having good positioning
It is fixed using high-strength connector (6)；Prefabrication and assembly construction lining cutting (1) is assembled from lower to upper, and two sides symmetrically carry out, last assembled top
Portion's block；
Step 2: after the assembled cyclization of prefabrication and assembly construction lining cutting (1), being fixed temporarily stud (11) spreading high-strength bolt (3) by double end,
Then it is fixed temporarily on stud (11) in double end and cord rubber slab (10) is successively installed, is fixed temporarily Circular Plate (8), using washer
(13) it and is fixed temporarily and is fixed with nut (12), successively installation is until loopful installs, and should be by cord rubber slab
(10) it places；
Step 3: turnover panel (9) is fixed on using pin shaft (19) and is consolidated be fixed temporarily that Circular Plate (8) is connected by installation turnover panel (9)
It on fixed board (17), successively installs, until loopful is installed, and turnover panel (9) should be placed；
Step 4: back-grouting is carried out by the built-in slip casting pipe (4) being reserved on prefabrication and assembly construction lining cutting (1), in slurry intensity
After meeting the requirements, removes slip casting and assist plugging structure, carry out the assembly of next ring prefabrication and assembly construction lining cutting (1).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864292.1A CN108979662A (en) | 2018-08-01 | 2018-08-01 | Tunnel prefabrication and assembly construction lining cutting splicing structure and its method |
| DE202018006560.9U DE202018006560U1 (en) | 2018-08-01 | 2018-08-03 | Structure of a prefabricated assembly lining for a tunnel |
| PCT/CN2018/098555 WO2020024268A1 (en) | 2018-08-01 | 2018-08-03 | Tunnel precast lining assembly structure and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864292.1A CN108979662A (en) | 2018-08-01 | 2018-08-01 | Tunnel prefabrication and assembly construction lining cutting splicing structure and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108979662A true CN108979662A (en) | 2018-12-11 |
Family
ID=64552465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810864292.1A Pending CN108979662A (en) | 2018-08-01 | 2018-08-01 | Tunnel prefabrication and assembly construction lining cutting splicing structure and its method |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108979662A (en) |
| DE (1) | DE202018006560U1 (en) |
| WO (1) | WO2020024268A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578017A (en) * | 2018-12-28 | 2019-04-05 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of quick liner structure of speciality light section hydraulic tunnel and its construction method |
| CN109723459A (en) * | 2019-03-08 | 2019-05-07 | 中铁十九局集团第三工程有限公司 | A kind of tunnel portal open excavation section prefbricated tunnel lining structure |
| CN109826647A (en) * | 2019-03-08 | 2019-05-31 | 中铁十九局集团第三工程有限公司 | Cut-and-cover tunnel section precast lining construction method |
| CN111456759A (en) * | 2020-01-23 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Assembled tunnel lining structure |
| CN112253166A (en) * | 2020-10-23 | 2021-01-22 | 中铁工程装备集团有限公司 | Prefabricated coupling device between pipe joints and construction method applying prefabricated coupling device |
| CN113790065A (en) * | 2021-09-29 | 2021-12-14 | 中铁隧道局集团有限公司 | Auxiliary kit for in-situ repair of large-volume defects of tunnel lining by UHPC material and construction method |
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| CN109723459A (en) * | 2019-03-08 | 2019-05-07 | 中铁十九局集团第三工程有限公司 | A kind of tunnel portal open excavation section prefbricated tunnel lining structure |
| CN109826647A (en) * | 2019-03-08 | 2019-05-31 | 中铁十九局集团第三工程有限公司 | Cut-and-cover tunnel section precast lining construction method |
| CN109826647B (en) * | 2019-03-08 | 2020-04-24 | 中铁十九局集团第三工程有限公司 | Tunnel open cut tunnel section split type lining construction method |
| CN109723459B (en) * | 2019-03-08 | 2024-03-05 | 中铁十九局集团第三工程有限公司 | Assembled lining structure of tunnel portal open cut section |
| CN111456759A (en) * | 2020-01-23 | 2020-07-28 | 中铁二院工程集团有限责任公司 | Assembled tunnel lining structure |
| CN112253166A (en) * | 2020-10-23 | 2021-01-22 | 中铁工程装备集团有限公司 | Prefabricated coupling device between pipe joints and construction method applying prefabricated coupling device |
| CN112253166B (en) * | 2020-10-23 | 2022-03-04 | 中铁工程装备集团有限公司 | Prefabricated coupling device between pipe joints and construction method applying prefabricated coupling device |
| CN113790065A (en) * | 2021-09-29 | 2021-12-14 | 中铁隧道局集团有限公司 | Auxiliary kit for in-situ repair of large-volume defects of tunnel lining by UHPC material and construction method |
| CN114517493A (en) * | 2022-03-25 | 2022-05-20 | 北京交通大学 | Full-prefabricated construction method for open-cut tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020024268A1 (en) | 2020-02-06 |
| DE202018006560U1 (en) | 2021-05-07 |
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