CN109083657A - A kind of prefabricated side box culvert structure of shield method double track tunnel and construction method - Google Patents
A kind of prefabricated side box culvert structure of shield method double track tunnel and construction method Download PDFInfo
- Publication number
- CN109083657A CN109083657A CN201811119916.3A CN201811119916A CN109083657A CN 109083657 A CN109083657 A CN 109083657A CN 201811119916 A CN201811119916 A CN 201811119916A CN 109083657 A CN109083657 A CN 109083657A
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- Prior art keywords
- box culvert
- arc panel
- lane plate
- lane
- convex
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 239000000945 filler Substances 0.000 claims description 8
- 238000007569 slipcasting Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 5
- 208000004067 Flatfoot Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 21
- 239000004567 concrete Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
Abstract
The invention discloses a kind of prefabricated side box culvert structures of shield method double track tunnel, on the inside of the two sides of intermediate box culvert (8) and shield duct piece (9), including lane plate (1) and arc panel (2), the lane plate (1) and the arc panel (2) separate prefabricated, to reduce the volume of transport and lifting, through-thickness is equipped with several through-holes on the arc panel (2), to reduce weight；One end of the lane plate (1) and the intermediate box culvert (8) connect, the other end and the arc panel (2) overlap, and the lane plate (1), arc panel (2) and intermediate box culvert (8) form the lower part enclosed construction of unified stress.The invention also discloses a kind of construction methods of the prefabricated side box culvert structure of shield method double track tunnel.The present invention distinguishes prefabricated reduction overall volume and weight, and convex footstool is arranged and avoids assembled faulting of slab ends amount, staggered joint erection overall stability is good.
Description
Technical field
The invention belongs to side box culvert structure technical fields, more particularly, to a kind of prefabricated side case of shield method double track tunnel
Contain structure and construction method.
Background technique
In recent years, assembled tunnel is widely applied in engineering construction, for major diameter and super-large-diameter shield
For tunnel, the construction of internal lower layer side box culvert structure determines " the full assembled " and " half assembled " of shield tunnel.
Side box culvert is largely cast-in-place structural in tunnel at present, and construction lags behind shield vehicle frame and centre " mouth " molding box is contained,
It can only be known as half fabricated construction in the full process of construction in tunnel, cast-in-place side box culvert (referring to Fig. 1) occupies long in time limit, execution conditions
Difference, concrete quality are difficult to ensure；In a small number of tunnels side box culvert structure be similar trigonometric form prefabricated construction (referring to fig. 2), but with pipe
The connection of piece and intermediate box culvert is too simple (such as Fig. 3 and Fig. 4), and stress condition existing defects, globality poor, there is not for technology
Foot place.
It is shown in place of cast-in-place side box culvert structure technical deficiency:
1. construction lags behind shield vehicle frame and centre " mouth " molding box is contained, the duration is slow；
2. side box culvert of constructing while section of jurisdiction and injecting paste material etc. are transported, construction interference is big；
3. concrete blinding is arc, execution conditions are difficult；
4. concrete curing condition is poor, quality is difficult to ensure.
It is shown in place of the prefabricated side box culvert technical deficiency of similar trigonometric form:
1. stress condition existing defects, under load action, intermediate " mouth " molding box is contained with similar trigonometric form box culvert because moment of flexure is made
With relatively rotating, so that top bed course generates tensile stress, it will affect the ride comfort of driving when serious (referring to Fig. 5).
2. inevitably there is a large amount of boss and assembly since section of jurisdiction and the culvert of centre " mouth " molding box are precast assembly
Error causes the globality after the completion of assembled difficult and assembly poor；
3. the closed prefabricated side slab culvert concrete volume of similar trigonometric form is big, transport and lifting energy consumption are big, and investment is high；
4. the prefabricated side box culvert of similar trigonometric form, which occupies bottom part, can utilize space, space utilization rate is lower.
5. prefabricated side box culvert and intermediate " mouth " molding box contain same ring width, using through seam assembling, overall stiffness is poor, especially for iron
For the tunnel of road, when train accelerates or brakes, powerful tractive force or brake force may influence overall stability.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of prefabricated side case of shield method double track tunnel
Contain structure, side box culvert divided lane plate and arc panel two parts are prefabricated, to mitigate the volume and weight of transport and lifting, lane plate
One end is fixedly connected with intermediate box culvert, to avoid in the prior art because Moment relatively rotates, thus top bed course
The problem of generating tensile stress, will affect the ride comfort of driving when serious, side box culvert can be synchronous with intermediate " mouth " type prefabricated box culvert
Construction realizes " full assembled " construction in the full process of construction in tunnel, several through-holes is provided on arc panel, to reduce concrete
Native dosage reduces the weight of transport and lifting.
To achieve the goals above, the present invention provides a kind of prefabricated side box culvert structure of shield method double track tunnel, is set to centre
On the inside of the two sides of box culvert and shield duct piece, including lane plate and arc panel, the lane plate and the arc panel are separately prefabricated, with
Reduce the volume of transport and lifting, through-thickness is equipped with several through-holes on the arc panel, to reduce weight；
One end of the lane plate and the intermediate box culvert connect, and the other end and the arc panel overlap, the lane plate,
Arc panel and intermediate box culvert form the lower part enclosed construction of unified stress.
Further, the convex footstool for reducing assembled error is equipped between the lane plate and arc panel.
Further, the convex footstool includes set on the first convex footstool of the lane plate bottom and set on the arc panel
End with the described first convex footstool of convex footstool matched second.
Further, the described first convex footstool is vertically arranged, and the second convex footstool is horizontally disposed.
Further, gap one, the lane plate and the shield are equipped between the lane plate and the intermediate box culvert
Gap two is equipped between section of jurisdiction.
Further, filler is equipped in the gap one and gap two.
Further, the width of the lane plate is greater than or equal to the width of the intermediate box culvert, the width of the arc panel
Degree is greater than or equal to the width of the lane plate.
Further, the width of the arc panel is the integral multiple of the lane board width.
As another aspect of the present invention, a kind of construction party of prefabricated side box culvert structure of shield method double track tunnel is provided
Method, steps are as follows:
S1 shield driving, pipe sheet assembling install intermediate box culvert；
S2 installs the arc panel of two sides in the box culvert of side, wherein the convex footstool of the arc panel is set towards the shield duct piece
It sets, and its end and the intermediate box culvert contact；
S3 installs the lane plate in the box culvert of side；
Then S4 fastens straight bolt in the lane plate and the intermediate box culvert gap filling dry expanding cement, real
Fixation between the existing lane plate and intermediate box culvert；
S5 backfills aperture and the assembled all gaps generated among arc panel by slip casting.
Further, in step S3, one end of the lane plate and the intermediate box culvert are connected, and pass through the straight bolt point
The lane plate and the intermediate box culvert are not connected, and the other end of the lane plate is placed on the arc panel, wherein the vehicle
The convex footstool of the first of guidance tape bottom is placed on the second convex footstool of the arc panel.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
(1) the prefabricated side box culvert structure of shield method double track tunnel of the present invention, side box culvert divided lane plate and arc panel two parts are pre-
System, to mitigate the volume and weight of transport and lifting, one end of lane plate is fixedly connected with intermediate box culvert, to avoid the prior art
It is middle because Moment relatively rotates, thus top bed course generate tensile stress, will affect the ride comfort of driving when serious
Problem, side box culvert can realize " the full assembled " in the full process of construction in tunnel with intermediate " mouth " type prefabricated box culvert synchronous construction
It constructs, is provided with several through-holes on arc panel, to reduce precast concrete dosage, reduce the weight of transport and lifting.
(2) shield method double track tunnel of the present invention prefabricated side box culvert structure is equipped with convex footstool between lane plate and arc panel, lead to
The matching of the convex footstool of first be arranged on lane plate with the second convex footstool being arranged on arc panel is crossed, to improve stress, together
When reduce assembled faulting of slab ends amount.
(3) shield method double track tunnel of the present invention prefabricated side box culvert structure is equipped with gap, vehicle between lane plate and intermediate box culvert
It is equipped with gap between guidance tape and shield duct piece, is equipped with filler in gap, promotes the overall stiffness of underlying structures, guarantee whole
The stability of body structure.
(4) the prefabricated side box culvert structure of shield method double track tunnel of the present invention, the width of lane plate are not limited to and are equal to intermediate box
The width of culvert, the width of lane plate are greater than or equal to the width of intermediate box culvert, and the width of lane plate is greater than the width of intermediate box culvert
When, staggered joint erection between lane plate and intermediate box culvert, similarly the width of arc panel is also greater than the width of lane plate, and whole for its
Several times realize staggered joint erection, improve overall stability.
Detailed description of the invention
Fig. 1 is existing cast-in-place side box culvert structure schematic diagram；
Fig. 2 is the prefabricated side box culvert cross-sectional configuration schematic diagram of existing similar trigonometric form；
Fig. 3 is the prefabricated side box culvert lane plate planar development schematic diagram of existing similar trigonometric form；
Fig. 4 is the prefabricated side box culvert arc panel planar development schematic diagram of existing similar trigonometric form；
Fig. 5 is the prefabricated side box culvert structure stress deformation schematic diagram of existing similar trigonometric form；
Fig. 6 is shield tunnel of embodiment of the present invention underlying structures schematic cross-sectional view；
Fig. 7 is the structural schematic diagram of staggered joint erection in the prefabricated lane plate structure of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of through seam assembling in the prefabricated lane plate structure of the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of staggered joint erection in prefabricated arc shape of embodiment of the present invention structure；
Figure 10 is the structural schematic diagram of through seam assembling in prefabricated arc shape of embodiment of the present invention structure；
Figure 11 is the structural schematic diagram that the prefabricated lane plate of the embodiment of the present invention is connect with intermediate box culvert；
Figure 12 is the splicing structure schematic diagram of shield driving of embodiment of the present invention section of jurisdiction；
Figure 13 is the structural schematic diagram among the embodiment of the present invention after box culvert installation；
Figure 14 is the structural schematic diagram in the box culvert of side of the embodiment of the present invention after arc panel installation；
Figure 15 is the structural schematic diagram after the installation of lane plate of the embodiment of the present invention；
Figure 16 is lane plate and the structural representation after intermediate box culvert gap filling stemness expanding cement in the embodiment of the present invention
Figure；
Figure 17 is the structural schematic diagram in the embodiment of the present invention among arc panel after aperture slip casting backfill；
Figure 18 is to backfill the structural schematic diagram after slip casting in Figure 17 at A in assembled gap.
Figure 19 is to backfill the structural schematic diagram after slip casting in Figure 17 at B in assembled gap.
In all attached drawings, same appended drawing reference indicates identical structure or part, in which: 1- lane plate, 2- arc panel, 3-
Convex footstool, the convex footstool of 301- first, the convex footstool of 302- second, the straight bolt of 4-, the first filler of 5-, the second filler of 6-, 7- are logical
Box culvert, 9- shield duct piece, the pre-buried connector of 10-, 11- lane plate middle line, 12- straight joint, 13- arc panel middle line, 14 among hole, 8-
Bolt hand hole.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Not constituting conflict between this can be combined with each other.
Fig. 6 is shield tunnel of embodiment of the present invention underlying structures schematic cross-sectional view.As shown in fig. 6, shield method is double
The prefabricated side box culvert structure in threaded list road includes lane plate 1 and arc panel 2, and lane plate 1 and arc panel 2 are cast-in-place or precast construction, i.e.,
Lane plate 1 and arc panel 2 are separately to pour or separate prefabricated two-part structure, big compared to volume of concrete, transport and hang
The big prefabricated side box culvert of closed similar trigonometric form of dress energy consumption, prefabricated side box culvert structure lane plate 1 of the invention and arc panel 2 separate
Pour with it is prefabricated, greatly reduce volume, be readily transported and lift, and side box culvert can with intermediate " mouth " type prefabricated box culvert synchronize apply
Work realizes " full assembled " construction in the full process of construction in tunnel, lane plate 1 and the overlap joint of arc panel 2, lane plate 1 and intermediate box
Contain 8 bolted modes and avoid intermediate " mouth " molding box and contains with similar trigonometric form box culvert because Moment relatively rotates, from
And top bed course generates tensile stress, will affect the ride comfort of driving when serious.
The two sides of intermediate box culvert 8 are equipped with the prefabricated side box culvert, the top surface of lane plate 1 and the either flush of centre box culvert 8,
And the junction of lane plate 1 and intermediate box culvert 8 is equipped with fixed device, it is preferable that the fixation device is straight bolt 4, straight bolt 4
One end is fixed in the end of lane plate 1, and the other end is fixed in the end of intermediate box culvert 8, realizes lane plate 1 and intermediate box culvert
Fixation between 8.
Preferably, it is equipped with gap one between lane plate 1 and intermediate box culvert 8, seam is equipped between lane plate 1 and shield duct piece 9
Gap two.Further, gap one and gap two are preferably 90~110mm.
Filler is equipped in gap one and gap two, the first filler 5 in gap one is preferably dry swelling water
Mud, the second filler 6 in gap two is preferably slip casting or cement mortar, and dry expanding cement, slip casting or cement mortar reach
To after required intensity, straight bolt 4 is pre-tightened, to realize that tightening between lane plate 1 and intermediate box culvert 8 is fixed (referring to figure
11), guarantee integrally-built strength and stability, increase overall stiffness.
The radian of arc panel 2 and the radian of shield duct piece 9 match, and the two sides for being set to intermediate box culvert 8 are placed in shield
On section of jurisdiction 9, one end of arc panel 2 is contacted with the bottom of intermediate box culvert 8, and the other end is contacted with lane plate 1, and 1 He of lane plate
Arc panel 2 overlaps, and lane plate 1, arc panel 2 and intermediate box culvert 8 form lower part enclosed construction.
Preferably, the lap-joint between lane plate 1 and arc panel 2 is equipped with convex footstool 3, lane plate 1 and 2 lap-joint of arc panel
Bottom be equipped with the first convex footstool 301, one end of the corresponding lane plate 1 of arc panel 2 is equipped with the second matched convex footstool 302,
The other end of arc panel 2, which is equipped with, is again provided with convex footstool, on the one hand the setting of convex footstool 3 is for adapting to shield duct piece 9 and centre
Assembled error between box culvert 8 reduces assembled faulting of slab ends amount, on the other hand improves stress condition；Wherein, the first convex footstool 301 is excellent
Selection of land be it is vertically arranged, the second convex footstool 302 is preferably horizontally disposed, and the first convex footstool 301 is vertically arranged in the second convex footstool 302
On, assembly is better achieved and reduces assembled error.
Filled in gap caused by convex footstool is assembled with mortar it is closely knit, such as the gap between arc panel 2 and shield duct piece 9,
Gap between lane plate 1 and shield duct piece 9, with guarantee to connect between lane plate 1, arc panel 2 and shield duct piece 9 complete and
Leakproofness increases overall stiffness.
Preferably, arc panel 2 is equipped with the through-hole 7 on several through-thickness, and through-hole 7 is injected hole, and the later period uses water
Cement mortar is filled in through-hole 7, for reducing the weight of arc panel 2, is readily transported and is lifted.
Fig. 7 is the structural schematic diagram of staggered joint erection in the prefabricated lane plate structure of the embodiment of the present invention.Fig. 8 is that the present invention is implemented
The structural schematic diagram of through seam assembling in the prefabricated lane plate structure of example.As shown in Figure 7 and Figure 8, the width of lane plate 1 be not limited to etc.
In the width of intermediate box culvert 8, the width of lane plate 1 is greater than or equal to the width of intermediate box culvert 8, during the width of lane plate 1 is greater than
Between box culvert 8 width when, staggered joint erection between lane plate 1 and intermediate box culvert 8 improves overall stability, through seam assembling when being equal to.
Fig. 9 is the structural schematic diagram of staggered joint erection in prefabricated arc shape of embodiment of the present invention structure.Figure 10 is that the present invention is real
Apply the structural schematic diagram of through seam assembling in a prefabricated arc shape structure.As shown in Figure 9 and Figure 10, the width of arc panel 2 is not limited to
Wide with lane plate 1, the width of arc panel 2 is greater than or equal to the width of lane plate 1, and the width of arc panel 2 is greater than lane plate 1
When width, the preferably integral multiple of 1 width of lane plate, convenient for assembly.
As another aspect of the present invention, a kind of construction method of prefabricated side box culvert of shield method double track tunnel is provided, such as
Shown in Figure 12~19, steps are as follows:
S1 shield driving, pipe sheet assembling install intermediate box culvert 8；
S2 installs the arc panel 2 of two sides in the box culvert of side, and wherein the convex footstool of arc panel 2 is arranged towards shield duct piece 9, and its
End is contacted with intermediate box culvert 8；
S3 installs the lane plate 1 in the box culvert of side；
One end of lane plate 1 is connect with intermediate box culvert 8, is separately connected lane plate 1 and intermediate box culvert 8, vehicle by straight bolt 4
The other end of guidance tape 1 is placed on arc panel 2, and wherein the convex footstool 301 of the first of 1 bottom of lane plate is placed in the second convex of arc panel 2
On footstool 302, assembled faulting of slab ends is avoided；
Preferably, lane plate 1 and intermediate box culvert 8, are all provided between lane plate 1 and shield duct piece 8 and have the gap；
8 gap filling dry expanding cement 5 of S4 lane plate 1 and intermediate box culvert, then fastens straight bolt 4, realizes lane
Fixation between plate 1 and intermediate box culvert 8；
S5 backfills aperture and the assembled all gaps generated among arc panel by slip casting.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of prefabricated side box culvert structure of shield method double track tunnel is set in two sides and the shield duct piece (9) of intermediate box culvert (8)
Side, which is characterized in that including lane plate (1) and arc panel (2), the lane plate (1) and the arc panel (2) are separately prefabricated,
To reduce the volume of transport and lifting, through-thickness is equipped with several through-holes on the arc panel (2), to reduce weight；
One end of the lane plate (1) and the intermediate box culvert (8) are fixedly connected, and the other end and the arc panel (2) overlap, institute
State the lower part enclosed construction that lane plate (1), arc panel (2) and intermediate box culvert (8) form unified stress.
2. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 1, which is characterized in that the lane
The convex footstool (3) for reducing assembled error is equipped between plate (1) and arc panel (2).
3. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 2, which is characterized in that the convex foot
Platform (3) include set on the lane plate (1) bottom the first convex footstool (301) and be set to the arc panel (2) end with institute
State the first convex footstool (302) of convex footstool (301) matched second.
4. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 3, which is characterized in that described first
Convex footstool (301) is vertically arranged, and the second convex footstool (302) is horizontally disposed.
5. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 1, which is characterized in that the lane
It is equipped with gap one between plate (1) and the intermediate box culvert (8), seam is equipped between the lane plate (1) and the shield duct piece (9)
Gap two.
6. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 5, which is characterized in that the gap
One and gap two in be equipped with filler.
7. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 1, which is characterized in that the lane
The width of plate (1) is greater than or equal to the width of the intermediate box culvert (8), and the width of the arc panel (2) is greater than or equal to described
The width of lane plate (1).
8. the prefabricated side box culvert structure of a kind of shield method double track tunnel according to claim 7, which is characterized in that the arc
The width of plate (2) is the integral multiple of the lane plate (1) width.
9. such as a kind of construction method of the prefabricated side box culvert structure of shield method double track tunnel according to any one of claims 1 to 8,
It is characterized in that, steps are as follows:
S1 shield driving, pipe sheet assembling install intermediate box culvert (8)；
S2 installs the arc panel (2) of two sides in the box culvert of side, wherein the convex footstool of the arc panel (2) is towards the shield duct piece
(9) it is arranged, and its end and the intermediate box culvert (8) contact；
S3 installs the lane plate (1) in the box culvert of side；
S4 then fastens straight spiral shell in the lane plate (1) and intermediate box culvert (8) the gap filling dry expanding cement (5)
Bolt (4) realizes the fixation between the lane plate (1) and intermediate box culvert (8)；
S5 backfills aperture and the assembled all gaps generated among arc panel by slip casting.
10. a kind of construction method of the prefabricated side box culvert structure of shield method double track tunnel according to claim 9, feature exist
In in step S3, one end of the lane plate (1) and the intermediate box culvert (8) are connected, and are connected respectively by the straight bolt (4)
The lane plate (1) and the intermediate box culvert (8) are connect, the other end of the lane plate (1) is placed on the arc panel (2),
Described in the first convex footstool (301) of lane plate (1) bottom be placed on the second convex footstool (302) of the arc panel (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811119916.3A CN109083657A (en) | 2018-09-25 | 2018-09-25 | A kind of prefabricated side box culvert structure of shield method double track tunnel and construction method |
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| CN201811119916.3A CN109083657A (en) | 2018-09-25 | 2018-09-25 | A kind of prefabricated side box culvert structure of shield method double track tunnel and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989766A (en) * | 2019-04-29 | 2019-07-09 | 中铁第四勘察设计院集团有限公司 | Unidirectional shield tunnel construction with emergency temporary parking hole |
| CN110409496A (en) * | 2019-08-01 | 2019-11-05 | 中铁第四勘察设计院集团有限公司 | Intermediate box culvert structure size determines method |
| CN111622774A (en) * | 2020-06-04 | 2020-09-04 | 中铁十四局集团大盾构工程有限公司 | Fine adjustment assembly trolley and assembly method for prefabricated box culvert of shield tunnel |
| CN115198791A (en) * | 2022-05-20 | 2022-10-18 | 中交隧道工程局有限公司 | Bottom grouting process for mounting lower structural member of large-diameter shield tunnel |
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| CN109989766A (en) * | 2019-04-29 | 2019-07-09 | 中铁第四勘察设计院集团有限公司 | Unidirectional shield tunnel construction with emergency temporary parking hole |
| CN110409496A (en) * | 2019-08-01 | 2019-11-05 | 中铁第四勘察设计院集团有限公司 | Intermediate box culvert structure size determines method |
| CN110409496B (en) * | 2019-08-01 | 2021-07-13 | 中铁第四勘察设计院集团有限公司 | Method for determining structure size of middle box culvert |
| CN111622774A (en) * | 2020-06-04 | 2020-09-04 | 中铁十四局集团大盾构工程有限公司 | Fine adjustment assembly trolley and assembly method for prefabricated box culvert of shield tunnel |
| CN111622774B (en) * | 2020-06-04 | 2021-12-14 | 中铁十四局集团大盾构工程有限公司 | Fine adjustment assembly trolley and assembly method for prefabricated box culvert of shield tunnel |
| CN115198791A (en) * | 2022-05-20 | 2022-10-18 | 中交隧道工程局有限公司 | Bottom grouting process for mounting lower structural member of large-diameter shield tunnel |
| CN115198791B (en) * | 2022-05-20 | 2024-02-02 | 中交隧道工程局有限公司 | Bottom grouting process for installing lower structural part of large-diameter shield tunnel |
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