CN108798701A - Precast construction and its construction method in a kind of roads and tunnels - Google Patents
Precast construction and its construction method in a kind of roads and tunnels Download PDFInfo
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- CN108798701A CN108798701A CN201810555511.8A CN201810555511A CN108798701A CN 108798701 A CN108798701 A CN 108798701A CN 201810555511 A CN201810555511 A CN 201810555511A CN 108798701 A CN108798701 A CN 108798701A
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- 238000010276 construction Methods 0.000 title claims abstract description 99
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 238000009418 renovation Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 4
- 230000008439 repair process Effects 0.000 claims description 4
- 108091006146 Channels Proteins 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to Tunnel Engineering technical fields, and in particular to precast construction in a kind of roads and tunnels, bottom sets lower support structure in tunnel-liner；Tunnel both sides maintaining roadway edge is all provided with bearing platform type pedestal, and central support structure and span centre support construction is arranged in lower support structure；Prefabricated pavement structure unit is set in span centre support construction, prefabricated pavement structure unit both ends are located in central support structure and bearing platform type pedestal；It is formed between bearing platform type pedestal and span centre support construction and reserves tunnel longitudinal drainage channel.The present invention also provides a kind of construction methods of precast construction：1）Lining construction, lower support structure perform；2）Perform bearing platform type pedestal；3）Central support structure and the construction of span centre support construction；4）Determine the occupation mode in reserved maintenance and renovation space；5）Hoisting prefabricated pavement structure unit；7）Second Lining Construction；8）Paved road pave-load layer.Precast construction provided by the invention can accelerate constructing tunnel speed, save project cost.
Description
Technical field
The invention belongs to Tunnel Engineering technical fields, and in particular to precast construction and its construction party in a kind of roads and tunnels
Method.
Background technology
In current tunnel work progress, inverted arch part concrete cast-in-situ working procedure is more in tunnel, the period is long, dosage
Greatly, speed is slow, it has also become influences a unfavorable factor of Rapid Construction of Tunnels.The structure master of tunnel inverted arch cast-in-place concrete construction
To include tunnel drainage structure, cable trough, inverted arch backfill and pavement structure.
For tunnel drainage structure setting below pavement structure, size is limited, and the cross-section of river is small, is not easy to overhaul；When miscellaneous in water
When matter and more salinity, easily crystallization is precipitated, and blocks pipeline, influences tunnel drainage ability.Cable trough is predominantly located at tunnel overhaul road
Lower section, the left and right sides are respectively provided with, and using concrete cast-in-situ, later stage operation is unfavorable for electromechanical engineering upgrading.Inverted arch backfill portion
Divide and use piece stone concrete or cast-in-place concrete filling, dosage is big, curing cycle is long, easily causes danger, and is influenced on speed of application
It is larger.The pavement structure typically integral cast-in-situ after tunnel holing through is mated formation, and curing cycle is long, to the shadow of other affiliated facilities installation
Sound is larger, is unfavorable for the arrangement of tunnel whole duration.
Invention content
In order to overcome above-mentioned the shortcomings of the prior art, the object of the present invention is to provide prefabricated knots in a kind of roads and tunnels
Structure and its construction method can be reduced concreting quantities, accelerate constructing tunnel speed, save project cost.
To achieve the above object, the technical scheme is that precast construction in a kind of roads and tunnels, including central supporting
Structure, span centre support construction and prefabricated pavement structure unit；It is equipped with lower support structure in bottom in tunnel-liner, in tunnel
Bearing platform type pedestal is respectively set in the maintaining roadway edge of both sides；In the setting central support structure in the lower support structure, institute
Central support structure is stated between two bearing platform type pedestals；In in the lower support structure the central support structure with
It is both provided with span centre support construction between two bearing platform type pedestals；It is equipped with prefabricated pavement structure in each span centre support construction
The both ends of unit, the prefabricated pavement structure unit are located in the central support structure and the bearing platform type pedestal；Position
It is logical that reserved tunnel longitudinal drainage is formed between the bearing platform type pedestal and the span centre support construction of tunnel center line the same side
Road.
Further, the lower support structure is inverted arch or shop fixtures.
Further, it is formed between the central support structure and the span centre support construction and reserves maintenance and renovation space.
Further, heavy current installation ditch, the other side are equipped in the bearing platform type pedestal of bottom side in the tunnel-liner
Bearing platform type pedestal be equipped with weak current equipment ditch and fire protection pipeline.
Further, road pavement layer is equipped with above the prefabricated pavement structure unit.
Further, the reserved tunnel longitudinal drainage channel passes through the drainpipe on the outside of aqueduct and the tunnel-liner
Connection.
Further, what the both sides on the top of the central support structure were respectively equipped with protrusion is used to support the prefabricated road
The cushion cap portion of face structural unit.
The present invention also provides a kind of construction methods of precast construction in roads and tunnels, include the following steps：
1）Determine that lower support structure is inverted arch or shop fixtures according to the geological conditions of tunnel surrounding；In lining construction process
In, carry out performing for lower support structure；
2）It is required according to section, the maintaining roadway edge cast-in-place construction bearing platform type pedestal of both sides in tunnel；
3）According to field condition with tunnel cross-section size in lower support structure prefabricated or cast-in-place central support structure and span centre
Support construction, wherein cast-in-place central support structure is located between two bearing platform type pedestals, central support structure and two bearing platform types
It is equipped with span centre support construction between pedestal, while being formed between bearing platform type pedestal and span centre support construction and reserving tunnel longitudinally row
Aquaporin；
4）Require the reserved maintenance and renovation for determining to be formed between central support structure and span centre support construction empty according to Tunnel Design
Between occupation mode；
5）Hoisting prefabricated pavement structure unit is placed in span centre support construction, and position is distinguished at the both ends of prefabricated pavement structure unit
In in central support structure and bearing platform type pedestal；
6）After secondary tunnel-liner performs, formwork erection pours heavy current installation ditch, weak current equipment ditch on bearing platform type pedestal（7）With
Fire protection pipeline；
7）Tunnel holing through, after affiliated facility is installed, road pavement layer of mating formation on prefabricated pavement structure unit.
Further, the step 4）In for the roads and tunnels of inverted arch are arranged, such as need to further increase returning for inverted arch
Area is filled out, then the casting concrete in reserved maintenance and renovation space.
Further, the step 5）In prefabricated pavement structure unit and the central support structure bottom and described hold
It is reserved with expansion joint between the bottom of desk-top pedestal.
Compared with prior art, the invention has the advantages that：
（1）Precast construction can effectively reduce concreting side's amount in roads and tunnels provided by the invention, accelerate constructing tunnel
Speed saves project cost；
（2）Precast construction can improve inverted arch backfill structure in roads and tunnels provided by the invention, after capable of overcoming pavement structure
The influence that phase cast-in-place construction installs other auxiliary devices；
（3）Precast construction can overcome existing tunnel discharge structure undersize, cross water energy in roads and tunnels provided by the invention
Power is limited, susceptible to plugging problem.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
The structural schematic diagram of precast construction in the roads and tunnels that Fig. 1 provides for the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of precast construction in roads and tunnels provided by Embodiment 2 of the present invention；
The flow chart of precast construction construction method in the roads and tunnels that Fig. 3 provides for the embodiment of the present invention three；
In figure：1, central support structure, 2, span centre support construction, 3, prefabricated pavement structure unit, 4, reserved tunnel longitudinal drainage
Channel, 5, reserved maintenance and renovation space, 6, heavy current installation ditch, 7, weak current equipment ditch, 8, road pavement layer, 9, tunnel-liner, 10,
Inverted arch, 11, aqueduct, 12, fire protection pipeline, 13, shop fixtures.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, precast construction in a kind of roads and tunnels of offer of the embodiment of the present invention, including central support structure 1, span centre branch
Support structure 2 and prefabricated pavement structure unit 3；It is equipped with lower support structure in bottom in tunnel-liner 9, due to tunnel surrounding geology
Condition is poor, and lower support structure is arranged to inverted arch 10；Bearing platform type pedestal is respectively set in the maintaining roadway edge of both sides in tunnel,
In central support structure 1 is arranged on the inverted arch 10, central support structure 1 is located between two bearing platform type pedestals, is faced upward in described
It is both provided with span centre support construction 2 between the central support structure 1 and two bearing platform type pedestals on arch 10；Each span centre
Be equipped with prefabricated pavement structure unit 3 in support construction 2, the both ends of the prefabricated pavement structure unit 3 be located at it is described in
It entreats on support construction 1 and the bearing platform type pedestal；The bearing platform type pedestal positioned at tunnel center line the same side and the span centre branch
It is formed between support structure 2 and reserves tunnel longitudinal drainage channel 4.
Precast construction can be reduced concreting side's amount in roads and tunnels provided in this embodiment, can improve inverted arch
Structure is backfilled, constructing tunnel speed is accelerated, saves project cost；Pavement structure later stage cast-in-place construction can be overcome attached to other
The influence of equipment installation；Precast construction can overcome existing tunnel discharge structure size not in roads and tunnels provided in this embodiment
Foot, discharge capacity be limited, susceptible to plugging problem.The cross-section of river in the reserved tunnel longitudinal drainage channel 4 of the present invention significantly increases,
Flow can be facilitated to be discharged, can overcome the problems, such as that existing tunnel discharge structure undersize, discharge capacity are limited, susceptible to plugging.
In addition, the cross-section of river is not limited to diagram section, it can further expand the cross-section of river according to live condition of water quality.
Further, it is formed between the central support structure 1 and the span centre support construction 2 and reserves maintenance and renovation space
5.Reserved maintenance and renovation space 5 can be arranged concretely according to actual needs, for being provided with the roads and tunnels of inverted arch 10, such as need into
One step increases the backfill area of inverted arch 10, then the casting concrete as needed in reserved maintenance and renovation space 5；If need not increase
Add the backfill area of inverted arch 10, then retain reserved maintenance and renovation space 5, in order to which Late reformation upgrades.
Further, it is equipped with heavy current installation ditch 6 in the bearing platform type pedestal of bottom side in the tunnel-liner 9, it is another
The bearing platform type pedestal of side is equipped with weak current equipment ditch 7 and fire protection pipeline 12.By pouring heavy current installation ditch on bearing platform type pedestal
6, weak current equipment ditch 7 and fire protection pipeline 12 facilitate the later stage to need modification or upgrading according to operation, can overcome existing cable
Slot structure runs phase insufficient space, the problem of being not easy upgrading.It is placed in heavy current installation ditch 6, weak current equipment ditch 7 and fire protection pipeline
12 position can arbitrarily exchange, and can three be set to the same side, can also divide and be arranged in both sides.
Further, the prefabricated pavement structure unit 3 is equipped with road pavement layer 8 above, after can overcoming pavement structure
The influence that phase cast-in-place construction installs other auxiliary devices.
Further, the row that the reserved tunnel longitudinal drainage channel 4 passes through 9 outside of aqueduct 11 and the tunnel-liner
Water pipe is connected to.
Further, it is described prefabricated to be respectively equipped with being used to support for protrusion for the both sides on the top of the central support structure 1
The cushion cap portion of pavement structure unit 3.Wherein the top surface of central support structure 1 is flushed with the top surface of prefabricated pavement structure unit 3, side
The laying of phase road pavement layer 8 after an action of the bowels.
Embodiment two
As shown in Fig. 2, the present embodiment two provides precast construction in a kind of roads and tunnels, including the support of central support structure 1, span centre
Structure 2 and prefabricated pavement structure unit 3；It is equipped with lower support structure in bottom in tunnel-liner 9, due to tunnel surrounding geology item
Part is preferable, inverted arch need not be arranged, therefore lower support structure is arranged to shop fixtures 13, the maintaining roadway edge point in both sides in tunnel
It She Zhi not bearing platform type pedestal；In central support structure 1 is arranged on the shop fixtures 13, central support structure 1 is located at two bearing platform types
Between pedestal；In the central support structure 1 on the shop fixtures 13 and it is both provided with span centre branch between two bearing platform type pedestals
Support structure 2；Prefabricated pavement structure unit 3 is equipped in each span centre support construction 2, the prefabricated pavement structure unit 3
Both ends are located in the central support structure 1 and the bearing platform type pedestal；The cushion cap positioned at tunnel center line the same side
It is formed between formula pedestal and the span centre support construction 2 and reserves tunnel longitudinal drainage channel 4.
Precast construction can overcome pavement structure later stage cast-in-place construction attached to other in roads and tunnels provided in this embodiment
The influence for belonging to equipment installation can ensure tunnel structure quality, accelerate speed of application, save project cost, with traditional structure phase
Than having the characteristics that efficient, economic, safety, being transformed convenient for later period maintenance.
Embodiment three
The present embodiment three provides a kind of construction method of precast construction in roads and tunnels, includes the following steps：
1）The concrete form of lower support structure is determined according to the geological conditions of tunnel surrounding；If tunnel surrounding geological conditions compared with
Difference then needs lower support structure being arranged to inverted arch 10；If tunnel surrounding geological conditions is preferable, only need to support bottom
Structure setting at shop fixtures 13 just；In 9 work progress of tunnel-liner, carries out the excavation of lower support structure and perform；
2）It is required according to section, the preferential formwork erection cast-in-place construction bearing platform type pedestal on the maintaining roadway edge of both sides in tunnel；
3）According to field condition with tunnel cross-section size in lower support structure prefabricated or cast-in-place central support structure 1 and span centre
Support construction 2, wherein cast-in-place central support structure 1 is located between two bearing platform type pedestals, central support structure 1 and two cushion caps
Span centre support construction 2 is equipped between formula pedestal, while it is vertical that reserved tunnel is formed between bearing platform type pedestal and span centre support construction 2
To drainage channel 4；
4）The reserved maintenance and renovation for requiring to determine to be formed between central support structure 1 and span centre support construction 2 according to Tunnel Design
The occupation mode in space 5；For being provided with the roads and tunnels of inverted arch 10, the backfill area for further increasing inverted arch 10 is such as needed,
The then casting concrete in reserved maintenance and renovation space 5；If the backfill area of inverted arch 10 need not be further increased, will reserve
Maintenance and renovation space 5 retains, in order to which Late reformation upgrades；
5）Hoisting prefabricated pavement structure unit 3 is placed in span centre support construction 2, and the both ends of prefabricated pavement structure unit 3 point
In not centrally located support construction 1 and bearing platform type pedestal；The bottom of prefabricated pavement structure unit 3 and the central support structure 1
Be reserved with expansion joint between the bottom of the bearing platform type pedestal, prevent due to climate temperature variation make structure generate crack or
It destroys；
6）After secondary tunnel-liner performs, formwork erection pours heavy current installation ditch 6,7 and of weak current equipment ditch on bearing platform type pedestal
Fire protection pipeline 12；
7）Tunnel holing through and after other affiliated facilities install, road pavement layer of mating formation on prefabricated pavement structure unit 3
8。
The construction method of precast construction can improve inverted arch backfill structure, prefabricated road in roads and tunnels provided in this embodiment
Face and discharge structure reserve repair upgrading space, accelerate constructing tunnel speed, save project cost, later stage operation repair
Pressure will significantly reduce；Impeded drainage, operation phase cable maintenance transformation insufficient space can also be overcome, convenient for later stage operation dimension
Shield；The present invention uses precast construction, can facilitate factory normalization pipelining, while accelerating speed of application, effectively
Ensure construction quality.
For different tunnel surroundings and section type, central support structure 1, span centre support construction 2 in this patent and pre-
Pavement structure unit 3 processed can have different combinations, size and shape, be not limited to combine knot shown in attached drawing of the present invention
Structure.If there is other structures form of fracture, should also assert within the scope of the present invention.The length of precast construction in the longitudinal direction can basis
Unit inverted arch digging distance specifically determines.When selecting the shape and size of precast construction unit, it should which preferential select has list
Element type redesigns the type of precast construction unit again when differing greatly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. precast construction in a kind of roads and tunnels, it is characterised in that：Including central support structure（1）, span centre support construction（2）With
Prefabricated pavement structure unit（3）；In tunnel-liner（9）Interior bottom is equipped with lower support structure, the maintaining roadway in both sides in tunnel
Bearing platform type pedestal is respectively set in edge；In central support structure is arranged in the lower support structure（1）, the central supporting knot
Structure（1）Between two bearing platform type pedestals, in the central support structure in the lower support structure（1）It is held with two
Span centre support construction is both provided between desk-top pedestal（2）；Each span centre support construction（2）On be equipped with prefabricated pavement structure
Unit（3）, the prefabricated pavement structure unit（3）Both ends be located at the central support structure（1）With the bearing platform type
On pedestal；The bearing platform type pedestal positioned at tunnel center line the same side and the span centre support construction（2）Between formed reserve tunnel
Road longitudinal drainage channel（4）.
2. precast construction in a kind of roads and tunnels as described in claim 1, it is characterised in that：The lower support structure is to face upward
Arch（10）Or shop fixtures（13）.
3. precast construction in a kind of roads and tunnels as described in claim 1, it is characterised in that：The central support structure（1）
With the span centre support construction（2）Between formed reserve maintenance and renovation space（5）.
4. precast construction in a kind of roads and tunnels as described in claim 1, it is characterised in that：In the tunnel-liner（9）It is interior
The bearing platform type pedestal of bottom side is equipped with heavy current installation ditch（6）, the bearing platform type pedestal of the other side is equipped with weak current equipment ditch（7）
And fire protection pipeline（12）.
5. precast construction in a kind of roads and tunnels as described in claim 1, it is characterised in that：The prefabricated pavement structure unit
（3）It is equipped with road pavement layer above（8）.
6. precast construction in a kind of roads and tunnels as described in claim 1, it is characterised in that：The reserved tunnel longitudinal drainage
Channel（4）Pass through aqueduct（11）With the tunnel-liner（9）The drainpipe in outside is connected to.
7. precast construction in a kind of roads and tunnels as described in claim 1, it is characterised in that：The central support structure（1）
Top both sides be respectively equipped with protrusion be used to support the prefabricated pavement structure unit（3）Cushion cap portion.
8. the construction method of precast construction in a kind of roads and tunnels, which is characterized in that include the following steps：
1）Determine that lower support structure is inverted arch according to the geological conditions of tunnel surrounding（10）Or shop fixtures（13）；In tunnel-liner
（9）In work progress, performing for lower support structure is carried out；
2）It is required according to section, the maintaining roadway edge cast-in-place construction bearing platform type pedestal of both sides in tunnel；
3）According to field condition with tunnel cross-section size in lower support structure prefabricated or cast-in-place central support structure（1）With across
Middle support construction（2）, wherein cast-in-place central support structure（1）Between two bearing platform type pedestals, central support structure（1）With
It is equipped with span centre support construction between two bearing platform type pedestals（2）, while bearing platform type pedestal and span centre support construction（2）Between shape
At reserved tunnel longitudinal drainage channel（4）；
4）It is required to determine central support structure according to Tunnel Design（1）With span centre support construction（2）Between the reserved repair that is formed
Space is transformed（5）Occupation mode；
5）Hoisting prefabricated pavement structure unit（3）It is placed in span centre support construction（2）On, and prefabricated pavement structure unit（3）'s
Both ends are located at central support structure（1）On bearing platform type pedestal；
6）After secondary tunnel-liner performs, formwork erection pours heavy current installation ditch on bearing platform type pedestal（6）, weak current equipment ditch
（7）And fire protection pipeline（12）；
7）Tunnel holing through, after installing affiliated facility, in prefabricated pavement structure unit（3）On mat formation road pavement layer（8）.
9. the construction method of precast construction in a kind of roads and tunnels as claimed in claim 8, it is characterised in that：The step 4）
In for be arranged inverted arch（10）Roads and tunnels, such as need to further increase inverted arch（10）Backfill area, then in reserved repair
Space is transformed（5）Middle casting concrete.
10. the construction method of precast construction in a kind of roads and tunnels as claimed in claim 8, it is characterised in that：The step
5）In prefabricated pavement structure unit（3）With the central support structure（1）Bottom and the bottom of the bearing platform type pedestal between
It is reserved with expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810555511.8A CN108798701A (en) | 2018-06-01 | 2018-06-01 | Precast construction and its construction method in a kind of roads and tunnels |
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| CN201810555511.8A CN108798701A (en) | 2018-06-01 | 2018-06-01 | Precast construction and its construction method in a kind of roads and tunnels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821517A (en) * | 2019-11-28 | 2020-02-21 | 云南省建设投资控股集团有限公司 | Tunnel internal double-layer structure prefabrication and assembly construction method |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144188A (en) * | 1997-07-29 | 1999-02-16 | Penta Ocean Constr Co Ltd | Constructing method for bulkhead inside shielded tunnel |
| JP2003064994A (en) * | 2001-08-27 | 2003-03-05 | Nippon Koatsu Concrete Kk | Invert |
| JP2006152746A (en) * | 2004-12-01 | 2006-06-15 | Kajima Corp | Method of constructing inside of tunnel |
| JP2009074330A (en) * | 2007-09-25 | 2009-04-09 | Toda Constr Co Ltd | Floor structure and floor construction method for road tunnel |
| CN201412160Y (en) * | 2009-06-02 | 2010-02-24 | 中铁第四勘察设计院集团有限公司 | Single-cave and double-line subway tunnel |
| KR20110090704A (en) * | 2010-02-04 | 2011-08-10 | 그린컨기술주식회사 | Construction-concrete of circle multistory road tunnel slab and structure of movable-cast |
| CN102337907A (en) * | 2011-09-13 | 2012-02-01 | 中铁第四勘察设计院集团有限公司 | Construction method for intermediate prefabricated culvert of shield tunnel |
| JP2012087543A (en) * | 2010-10-20 | 2012-05-10 | Koken Sangyo Kk | Construction method of tunnel bottom structure provided with drainage equipment |
| JP2016211340A (en) * | 2015-05-13 | 2016-12-15 | 鹿島建設株式会社 | Floor slab structure and floor slab construction method for shield tunnel |
| JP2017043982A (en) * | 2015-08-27 | 2017-03-02 | 鹿島建設株式会社 | Underground structure, and construction method of underground structure |
| CN106968712A (en) * | 2017-05-12 | 2017-07-21 | 西南交通大学 | Water rich strata tunnel bottom discharge structure and its construction method |
| JP6177468B1 (en) * | 2017-01-02 | 2017-08-09 | 寿建設株式会社 | Installation or replacement of tunnel inverts in service |
| CN107178377A (en) * | 2017-07-07 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | Adapt to the Tunneling by mining method polycrystalline substance and its construction method of rapid construction passage |
| CN208380578U (en) * | 2018-06-01 | 2019-01-15 | 中铁第四勘察设计院集团有限公司 | Precast construction in a kind of roads and tunnels |
-
2018
- 2018-06-01 CN CN201810555511.8A patent/CN108798701A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144188A (en) * | 1997-07-29 | 1999-02-16 | Penta Ocean Constr Co Ltd | Constructing method for bulkhead inside shielded tunnel |
| JP2003064994A (en) * | 2001-08-27 | 2003-03-05 | Nippon Koatsu Concrete Kk | Invert |
| JP2006152746A (en) * | 2004-12-01 | 2006-06-15 | Kajima Corp | Method of constructing inside of tunnel |
| JP2009074330A (en) * | 2007-09-25 | 2009-04-09 | Toda Constr Co Ltd | Floor structure and floor construction method for road tunnel |
| CN201412160Y (en) * | 2009-06-02 | 2010-02-24 | 中铁第四勘察设计院集团有限公司 | Single-cave and double-line subway tunnel |
| KR20110090704A (en) * | 2010-02-04 | 2011-08-10 | 그린컨기술주식회사 | Construction-concrete of circle multistory road tunnel slab and structure of movable-cast |
| JP2012087543A (en) * | 2010-10-20 | 2012-05-10 | Koken Sangyo Kk | Construction method of tunnel bottom structure provided with drainage equipment |
| CN102337907A (en) * | 2011-09-13 | 2012-02-01 | 中铁第四勘察设计院集团有限公司 | Construction method for intermediate prefabricated culvert of shield tunnel |
| JP2016211340A (en) * | 2015-05-13 | 2016-12-15 | 鹿島建設株式会社 | Floor slab structure and floor slab construction method for shield tunnel |
| JP2017043982A (en) * | 2015-08-27 | 2017-03-02 | 鹿島建設株式会社 | Underground structure, and construction method of underground structure |
| JP6177468B1 (en) * | 2017-01-02 | 2017-08-09 | 寿建設株式会社 | Installation or replacement of tunnel inverts in service |
| CN106968712A (en) * | 2017-05-12 | 2017-07-21 | 西南交通大学 | Water rich strata tunnel bottom discharge structure and its construction method |
| CN107178377A (en) * | 2017-07-07 | 2017-09-19 | 中铁第四勘察设计院集团有限公司 | Adapt to the Tunneling by mining method polycrystalline substance and its construction method of rapid construction passage |
| CN208380578U (en) * | 2018-06-01 | 2019-01-15 | 中铁第四勘察设计院集团有限公司 | Precast construction in a kind of roads and tunnels |
Non-Patent Citations (2)
| Title |
|---|
| 孙文昊: "钱江通道及接线工程钱江隧道设计综述", 现代隧道技术, vol. 48, no. 6, pages 82 - 87 * |
| 铁道部通信信号总公司研究设计院: "《铁路工程设计技术手册 通信 下册》", 重庆大学出版社, pages: 102 - 109 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821517A (en) * | 2019-11-28 | 2020-02-21 | 云南省建设投资控股集团有限公司 | Tunnel internal double-layer structure prefabrication and assembly construction method |
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