CN106638689A - Immersed tunnel bottom plate with ribbed beams and drainage structure - Google Patents
Immersed tunnel bottom plate with ribbed beams and drainage structure Download PDFInfo
- Publication number
- CN106638689A CN106638689A CN201710016651.3A CN201710016651A CN106638689A CN 106638689 A CN106638689 A CN 106638689A CN 201710016651 A CN201710016651 A CN 201710016651A CN 106638689 A CN106638689 A CN 106638689A
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- Prior art keywords
- immersed tube
- tube tunnel
- concrete
- immersed
- piping lane
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- Pending
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- 239000004567 concrete Substances 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000003032 molecular docking Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims 4
- 239000002344 surface layer Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 210000001503 joint Anatomy 0.000 abstract 3
- UUTKICFRNVKFRG-WDSKDSINSA-N (4R)-3-[oxo-[(2S)-5-oxo-2-pyrrolidinyl]methyl]-4-thiazolidinecarboxylic acid Chemical compound OC(=O)[C@@H]1CSCN1C(=O)[C@H]1NC(=O)CC1 UUTKICFRNVKFRG-WDSKDSINSA-N 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/063—Tunnels submerged into, or built in, open water
- E02D29/073—Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed, e.g. in a preformed trench
Abstract
The invention discloses an immersed tunnel bottom plate with ribbed beams and a drainage structure and relates to the technical field of underwater immersed tunnel engineering construction. An immersed tunnel external wall is arranged at the exterior of the immersed tunnel; an immersed tunnel internal wall is arranged in the middle of the immersed tunnel; the bottom of a carriageway pipe gallery is provided with an immersed tunnel bottom plate; the immersed tunnel bottom plate is provided with the ribbed beams, a span end of the immersed tunnel bottom plate is provided with an axil angle; grooves are formed among the ribbed beams; when immersed tube joints float to design positions, water is injected into the grooves among the ribbed beams; after the immersed tube joints descend and are butted, the grooves among the ribbed beams are filled with plain concretes; the top surface of the plain concretes and the ribbed beams is provided with a concrete slope formation layer; the top surface of the concrete slope formation layer is provided with a pavement layer; one side of the pavement layer and the concrete slope formation layer is provided with a small drainage trench; the top surface of a bottom plate of a middle pipe gallery is provided with a large drainage trench; the plain concrete between the two ribbed beams is internally provided with a drainage pipe. The immersed tunnel bottom plate has the beneficial effects of saving immersed tunnel reinforcement arrangement and construction cost and facilitating floating, descending and butt joint of the immersed tube joint.
Description
Technical field
The present invention relates to the technical field of immersed tube tunnel engineering construction under water, and in particular to a kind of immersed tube tunnel bottom of plus girt strip
Plate and discharge structure.
Background technology
Immersed tube tunnel referred in dry-docking prefabricated tube section, the submerged tunnel built by modes such as transportation by driving, sinking, docking.Root
13.8m, track clearance height are about needed according to functional requirement, Class I highway three lanes tunnel (80km/h) track clearance clear span is used
For 4.5m or 5.0m, the generally partially flat rectangular cross section of immersed tube tunnel, immersed tube tunnel is typically using reinforced concrete structure.Example
Such as, the Nanchang Ganjiang River big 1200mm of Class I highway three lanes immersed tube tunnel base arrangement thickness under water, top is additionally provided with 800mm-
900mm thick plain concrete layer, using the effect of the weight resistance immersed tube tunnel buoyancy of plain concrete layer, and structure base slab section
Bearing capacity and crack calculate and do not consider plain concrete thickness degree.
At present immersed tube tunnel base plate typically adopts steel concrete plate, base arrangement section bearing capacity and crack to calculate not
Consider that fill concrete is participated in, version has to be optimized.When immersed tube tunnel sinks, the water filling ballast into immersed tube tunnel is needed,
Need to apply ballast water tank inside immersed tube, water tank makes, dismounting and transport need an expense, and in addition underplate concrete compares
Thickness, strength grade of concrete is higher, belongs to casting of concrete in mass, and base plate easily ftractures, in order to control concrete hardening
The heat that journey is produced, needs to take cooling measure, increases operating expenses.
The content of the invention
Present invention aims to the defect and deficiency of prior art, there is provided a kind of simple structure, it is reasonable in design, make
With immersed tube tunnel base plate and discharge structure convenient, that add girt strip, it can save immersed tube tunnel arrangement of reinforcement and construction costs, convenient heavy
Pipe cube transportation, sinking and docking.
In order to solve the problems of background technology, the technical solution used in the present invention is：It includes immersed tube tunnel bottom
Plate, girt strip, groove, plain concrete, concrete sloping layer, supercrust, armpit angle, draining trench, big gutter, drainpipe, immersed tube
Tunnel external wall, immersed tube tunnel interior wall；Immersed tube tunnel is included in the runway piping lane of both sides setting and middle piping lane, the immersed tube
Tunnel external wall is located at outside immersed tube tunnel, and immersed tube tunnel interior wall is located at centre, and runway piping lane bottom is provided with immersed tube tunnel bottom
Plate, immersed tube tunnel base plate be armoured concrete slab, longitudinally spaced certain distance is provided with girt strip on immersed tube tunnel base plate, across
End is provided with armpit angle, groove is provided between girt strip, when immersed tube cube transportation is to design attitude, between the girt strip of immersed tube tunnel base plate
Groove in injection water, immersed tube tube coupling sink, docking after, the water between girt strip in groove replaces with plain concrete, plain concrete
Top surface is mutually neat with girt strip top surface, and the top surface of plain concrete and girt strip is provided with concrete sloping layer, and concrete sloping layer top surface is provided with
The side of the supercrust of runway piping lane, supercrust and concrete sloping layer is provided with draining trench along longitudinal direction, and middle piping lane is adopted
Steel concrete plate, the plate top surface of middle piping lane is provided with big gutter along longitudinal direction, sets in the plain concrete between two girt strips
Drainpipe is equipped with, the longitudinally spaced certain distance of drainpipe is arranged, and the two ends of drainpipe connect respectively the float of runway piping lane
Ditch and the big gutter of middle piping lane.
After said structure, the present invention has the beneficial effect that：
1st, using the immersed tube tunnel reinforced concrete floor for adding girt strip, base arrangement section is higher, makes full use of backfill sheaf space,
Structure base slab arrangement of reinforcement is few, saves steel；
2nd, tube coupling lighter in weight, cube transportation, sinking and docking are convenient；
3rd, groove substitutes ballast water tank, saves the making of ballast water tank, installation and dismounting etc.；
4th, construction costs is saved.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of the present invention；
Fig. 2 is the A-A cross-sectional views of the present invention；
Fig. 3 is the B-B cross-sectional views (transportation by driving, sinking and docking operating mode) of the present invention；
Fig. 4 is the B-B cross-sectional views (applying working condition) of the present invention；
Fig. 5 is the immersed tube tunnel base plate of current conventional design and discharge structure 1-1 profiles；
Fig. 6 is the immersed tube tunnel base plate span centre arrangement of reinforcement schematic diagram of current conventional design；
Fig. 7 is the present invention plus girt strip immersed tube tunnel base plate span centre arrangement of reinforcement schematic diagram；
Fig. 8 is the present invention plus girt strip immersed tube tunnel base plate across end arrangement of reinforcement schematic diagram.
Description of reference numerals：1- immersed tube tunnel base plates, 2- girt strips, 3- grooves, 4- plain concretes, 5- concrete sloping layers,
6- supercrusts, 7- armpits angle, 8- draining trench, the big gutters of 9-, 10- drainpipes, 11- immersed tube tunnel external walls, 12- immersed tube tunnels
Interior wall.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is further illustrated.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and it is embodied as
Mode, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this
Invention, is not intended to limit the present invention.
Specific embodiment one：
As shown in Figure 5 and Figure 6, certain the municipal immersed tube tunnel for routinely designing, is designed as two-way six-lane, and both sides are provided with runway
Piping lane, is provided with middle piping lane, runway piping lane clear span 12.4m, middle piping lane span width 2.0m, wall thickness on the outside of immersed tube tunnel
1.0m, wall thickness 0.6m in immersed tube tunnel, base plate thickness 1.2m, bottom end is provided with armpit angle, the high 0.4m in runway piping lane armpit angle,
Runway piping lane armpit angular breadth 1.2m, the high 0.4m in middle piping lane armpit angle, middle piping lane armpit angular breadth 0.4m, plain concrete backfill layer
Thickness about 0.7m～0.8m (backfill layer top surface has 1% gradient, higher by middle piping lane side supercrust), plain concrete backfill
Layer top sets asphalt concrete pavement thickness degree 0.1m, and supercrust has 1% gradient, has 200mm × 60mm's in supercrust side
Gutter, in the bottom of draining trench the big gutters of 350mm × 350mm are provided with, and big gutter is located in plain concrete backfill layer,
The water of draining trench introduces big gutter by drainpipe.
Base arrangement arrangement of reinforcement is shown in Fig. 7, the high H1=1.2m of runway base plate spaning middle section, and top layer is with lateral stressed muscle and longitudinal direction
Distributing reinforcement is principal rod, and lateral stressed muscle area is Ah1, and genesis analysis muscle area Az1, section transverse bending moment is M1.According to steel
Reinforced concrete receives curved section bearing capacity Computing Principle, M1=,For constant,For rebar design intensity.Institute
So that under same cross-sectional Moment, depth of section increases, and section principal rod area Ah1 is reduced, genesis analysis muscle area Az1 mono-
As take the 0.15% of base plate area of section.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, girt strip immersed tube tunnel base plate and draining knot are added using one kind of present invention design
Structure, both sides are provided with runway piping lane, and centre is provided with middle piping lane, runway piping lane clear span 12.4m, middle piping lane span width
2.0m, the thickness 1.0m of immersed tube tunnel external wall 11, the thickness 0.6m of immersed tube tunnel interior wall 12, the thickness 0.6m of immersed tube tunnel base plate 1, rib
The height of beam 2 (top surface of girt strip 2 is to the bottom surface of immersed tube tunnel base plate 1) is 1.8m, the width 1.0m of girt strip 2, center distance 3.0m of girt strip 2,
Clear span 2.0m of groove 3 between girt strip 2, the end (plate and side wall node) of immersed tube tunnel base plate 1 is provided with armpit angle 7, and armpit angle 7 is high
1.2m, the width 2.0m of armpit angle 7, the depth about 0.6m～0.7m of groove 3, plain concrete 4 and the top surface of girt strip 2 set concrete sloping layer 5,
The thickness 60mm of concrete sloping layer 5～180mm, concrete sloping layer 5 has 1% gradient, near centre piping lane concrete sloping layer
5 is higher, and the top surface of concrete sloping layer 5 sets supercrust 6, the thickness 0.1m of supercrust 6, and supercrust 6 adopts bituminous concrete, on road surface
There is the draining trench 8 of 200mm × 160mm layer 6 and the side of concrete sloping layer 5；Middle piping lane adopts steel concrete plate, plate
Thick 1.2m, the high 0.4m in armpit angle 7, the width 0.4m of armpit angle 7, middle piping lane in the soleplate between along longitudinal direction set big gutter 9, big gutter
9 are located at middle piping lane plate top surface, clear span 800mm of big gutter 9, depth 400mm of big gutter 9, the wall thickness of big gutter 9
150mm；The water of runway piping lane draining trench 8 introduces the big gutter 9 of middle piping lane by drainpipe 10, and drainpipe 10 is arranged
In the plain concrete 4 of groove 3, and through immersed tube tunnel interior wall 12, spacing 9.0m of drainpipe 10, drainpipe 10 adopts pvc pipe,
Diameter 50mm, pvc pipe wall thickness 5mm.
The immersed tube runway ribbing base plate spaning middle section arrangement of reinforcement of the present invention is shown in Fig. 8, and runway spaning middle section is inverted T shape beam,
Inverted T shape deck-molding H2=1.8m, the lateral stressed muscle of inverted T shape beam fits over the top of girt strip 2, and lateral stressed muscle area is Ah2, spaning middle section
Transverse bending moment is M1；According to Concrete Section in Bending bearing capacity calculation principle, M1=,For constant,For rebar design intensity.So, ribbing base plate depth of section H2 of the present invention substantially increases than H1, the lateral stressed muscle of spaning middle section
Significantly reducing than conventional design.The thickness of immersed tube tunnel base plate 1 of the present invention only has the 50% of conventional design, so, genesis analysis
Muscle area reduces 50% than conventional design genesis analysis muscle；The present invention plus girt strip 2 immersed tube tunnel base plate 1, in transportation by driving, sinks
2.92 cubic metres of concrete is reduced per linear meter(lin.m.) with docking operating mode, i.e., about reduces by 6.7 tons/m, if often save immersed tube length set by 100m
Meter, the weight for often saving immersed tube reduces 670 tons, and immersed tube weight is reduced, and can facilitate immersed tube transportation by driving and docking.
Specific embodiment two：
As shown in Figure 5 and Figure 6, certain municipal immersed tube tunnel, original is designed as two-way six-lane, and both sides are provided with runway piping lane, are provided with
Middle piping lane, runway piping lane clear span 12.4m, middle piping lane span width 2.0m, wall thickness 1.0m on the outside of immersed tube tunnel, immersed tube tunnel
Wall thickness 0.6m in road, base plate thickness 1.2m, bottom end is provided with armpit angle, the high 0.4m in runway piping lane armpit angle, runway piping lane
Armpit angular breadth 1.2m, the high 0.4m in middle piping lane armpit angle, middle piping lane armpit angular breadth 0.4m, plain concrete returns lift thickness about 0.7m
～0.8m (backfill layer top surface has 1% gradient, higher by middle piping lane side supercrust), plain concrete backfill layer top sets drip
Blue or green concrete pavement layer thickness 0.1m, supercrust has 1% gradient, has the gutter of 200mm × 60mm in supercrust side,
The bottom of draining trench is provided with the big gutters of 350mm × 350mm, and big gutter is located in plain concrete backfill layer, draining trench
Water big gutter is introduced by drainpipe.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, girt strip immersed tube tunnel base plate and draining knot are added using one kind of present invention design
Structure, both sides are provided with runway piping lane, are provided with middle piping lane, and runway piping lane clear span 12.4m, middle piping lane span width 2.0m sinks
The thickness 1.0m of pipe tunnel external wall 11, the thickness 0.6m of immersed tube tunnel interior wall 12, the thickness 0.6m of immersed tube tunnel base plate 1, the height of girt strip 2
(top surface of girt strip 2 is to the bottom surface of immersed tube tunnel base plate 1) be 1.8m, the width 1.0m of girt strip 2, center distance 4.0m of girt strip 2, girt strip 2 it
Between clear span 3.0m of groove 3, the end (plate with side wall node) of immersed tube tunnel base plate 1 is provided with armpit angle 7, the high 1.2m in armpit angle 7, armpit angle
7 width 2.0m；The depth about 0.6m～0.7m of groove 3, plain concrete 4 and the top surface of girt strip 2 set concrete sloping layer 5, and concrete is looked for
The thickness 60mm of slope layer 5～180mm, concrete sloping layer 5 has 1% gradient, and the concrete sloping layer 5 near centre piping lane is higher,
The top surface of concrete sloping layer 5 sets supercrust 6, and the thickness 0.1m of supercrust 6, supercrust 6 adopts bituminous concrete, in the He of supercrust 6
There is the draining trench 8 of 200mm × 160mm the side of concrete sloping layer 5, and middle piping lane adopts steel concrete plate, thickness of slab
1.2m, the high 0.4m in armpit angle 7, the width 0.4m of armpit angle 7, middle piping lane in the soleplate between along longitudinal direction set big gutter 9, big gutter 9
It is located at middle piping lane plate top surface, clear span 800mm of big gutter 9, depth 400mm of big gutter 9, the wall thickness of big gutter 9
150mm；The water of runway piping lane draining trench 8 introduces the big gutter 9 of middle piping lane by drainpipe 10, and drainpipe 10 is arranged
In the plain concrete 4 of groove 3, and through immersed tube tunnel interior wall 12, spacing 9.0m of drainpipe 10, drainpipe 10 adopts pvc pipe,
Diameter 50mm, pvc pipe wall thickness 5mm.The present invention plus girt strip 2 immersed tube tunnel base plate 1, it is every in transportation by driving, sinking and docking operating mode
Linear meter(lin.m.) reduces 5.0 cubic metres of concrete, i.e., about reduce by 11.5 tons/m, if often save immersed tube length designed by 100m, often saves immersed tube
Weight reduce 1150 tons, immersed tube weight reduce, can facilitate immersed tube transportation by driving, sink and dock.
, using the immersed tube tunnel reinforced concrete floor for adding girt strip, base arrangement section is higher, fills for this specific embodiment
Divide using backfill sheaf space, structure base slab arrangement of reinforcement is few, saves steel；Tube coupling lighter in weight, cube transportation, sinking and docking side
Just；Groove substitutes ballast water tank, saves the making of ballast water tank, installation and dismounting etc.；Save construction costs.
The above, only to illustrate technical scheme and unrestricted, those of ordinary skill in the art are to this
Other modifications or equivalent that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
All should cover in the middle of scope of the presently claimed invention.
Claims (3)
1. the immersed tube tunnel base plate and discharge structure of a kind of plus girt strip, it is characterised in that including immersed tube tunnel base plate, girt strip, recessed
Groove, plain concrete, concrete sloping layer, supercrust, armpit angle, draining trench, big gutter, drainpipe, immersed tube tunnel external wall,
Immersed tube tunnel interior wall；Immersed tube tunnel is included in the runway piping lane of both sides setting and middle piping lane, the immersed tube tunnel external wall
It is located at outside immersed tube tunnel, immersed tube tunnel interior wall is located at centre, runway piping lane bottom is provided with immersed tube tunnel base plate, immersed tube tunnel
Base plate is armoured concrete slab, and longitudinally spaced fixed range is provided with girt strip on immersed tube tunnel base plate, and end is being provided with armpit
Angle, is provided with groove between girt strip.
2. a kind of immersed tube tunnel base plate and discharge structure of plus girt strip according to claim 1, it is characterised in that immersed tube pipe
When section transportation by driving is to design attitude, water is marked with the groove between the girt strip of immersed tube tunnel base plate, after the sinking of immersed tube tube coupling, docking,
Water between girt strip in groove replaces with plain concrete, and plain concrete top surface is mutually neat with girt strip top surface, plain concrete and girt strip
Top surface is provided with concrete sloping layer, and concrete sloping layer top surface is provided with the supercrust of runway piping lane.
3. a kind of immersed tube tunnel base plate and discharge structure of plus girt strip according to claim 1, it is characterised in that the road
The side of surface layer and concrete sloping layer is provided with draining trench along longitudinal direction, and middle piping lane adopts steel concrete plate, intervalve
The plate top surface of corridor is provided with big gutter along longitudinal direction, and drainpipe is provided with the plain concrete between two girt strips, and drainpipe is along vertical
Arrange to interval fixed range, the two ends of drainpipe connect respectively the draining trench of runway piping lane and the big draining of middle piping lane
Ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016651.3A CN106638689A (en) | 2017-01-11 | 2017-01-11 | Immersed tunnel bottom plate with ribbed beams and drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016651.3A CN106638689A (en) | 2017-01-11 | 2017-01-11 | Immersed tunnel bottom plate with ribbed beams and drainage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106638689A true CN106638689A (en) | 2017-05-10 |
Family
ID=58843635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710016651.3A Pending CN106638689A (en) | 2017-01-11 | 2017-01-11 | Immersed tunnel bottom plate with ribbed beams and drainage structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106638689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700545A (en) * | 2017-09-01 | 2018-02-16 | 中交第航务工程局有限公司 | Immersed tube tunnel final joint engagement cavity drainage system and water discharge method |
| CN111058478A (en) * | 2019-12-19 | 2020-04-24 | 中铁第六勘察设计院集团有限公司 | Immersed tube tunnel comprehensive grounding device and mounting method |
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| JP2000073686A (en) * | 1998-08-31 | 2000-03-07 | Kajima Corp | Construction of tunnel in large-sized section |
| CN201460980U (en) * | 2009-07-07 | 2010-05-12 | 中铁二院工程集团有限责任公司 | High-speed railway loess tunnel drainage facility |
| CN103061329A (en) * | 2012-08-28 | 2013-04-24 | 中铁十八局集团有限公司 | Underwater grouting grout based on soft-base large immersed tunnel foundation and grouting process thereof |
| CN203891066U (en) * | 2014-04-04 | 2014-10-22 | 北京城建设计发展集团股份有限公司 | Underground structure prefabricated ribbed-plate type component |
| CN104807497A (en) * | 2015-02-16 | 2015-07-29 | 中交天津港湾工程研究院有限公司 | Immersed tube tunnel construction monitoring system and construction technology thereof |
| WO2016003749A1 (en) * | 2014-07-01 | 2016-01-07 | Contech Engineered Solutions LLC | Bridge system and method including four sided concrete bridge units adapted for promoting sedimentation |
| CN206581301U (en) * | 2017-01-11 | 2017-10-24 | 中铁隧道勘测设计院有限公司 | The immersed tube tunnel bottom plate and discharge structure of a kind of ribbing beam |
-
2017
- 2017-01-11 CN CN201710016651.3A patent/CN106638689A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000073686A (en) * | 1998-08-31 | 2000-03-07 | Kajima Corp | Construction of tunnel in large-sized section |
| CN201460980U (en) * | 2009-07-07 | 2010-05-12 | 中铁二院工程集团有限责任公司 | High-speed railway loess tunnel drainage facility |
| CN103061329A (en) * | 2012-08-28 | 2013-04-24 | 中铁十八局集团有限公司 | Underwater grouting grout based on soft-base large immersed tunnel foundation and grouting process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700545A (en) * | 2017-09-01 | 2018-02-16 | 中交第航务工程局有限公司 | Immersed tube tunnel final joint engagement cavity drainage system and water discharge method |
| CN107700545B (en) * | 2017-09-01 | 2019-06-04 | 中交第一航务工程局有限公司 | Immersed tube tunnel final connector engagement cavity drainage system and water discharge method |
| CN111058478A (en) * | 2019-12-19 | 2020-04-24 | 中铁第六勘察设计院集团有限公司 | Immersed tube tunnel comprehensive grounding device and mounting method |
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