CN107165012A - The road structure and its construction method of a kind of tunnel upper - Google Patents
The road structure and its construction method of a kind of tunnel upper Download PDFInfo
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- CN107165012A CN107165012A CN201710452887.1A CN201710452887A CN107165012A CN 107165012 A CN107165012 A CN 107165012A CN 201710452887 A CN201710452887 A CN 201710452887A CN 107165012 A CN107165012 A CN 107165012A
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- road structure
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 239000011159 matrix material Substances 0.000 claims abstract description 30
- 241000251468 Actinopterygii Species 0.000 claims abstract description 7
- 239000010426 asphalt Substances 0.000 claims description 50
- 239000002904 solvent Substances 0.000 claims description 26
- 239000003822 epoxy resin Substances 0.000 claims description 24
- 229920000647 polyepoxide Polymers 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000004567 concrete Substances 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 17
- 239000004575 stone Substances 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 12
- 239000012943 hotmelt Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 239000011384 asphalt concrete Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 123
- 230000000694 effects Effects 0.000 description 8
- 238000004078 waterproofing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- -1 sub-surface Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/04—Road crossings on different levels; Interconnections between roads on different levels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/02—Concrete base for bituminous paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Paving Structures (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
For the overburden layer in the case where cancelling road, while reaching the purpose for raising the overall absolute altitude in tunnel, reduction construction cost and difficulty, tunnel top waterproof layer is effectively protected, the present invention provides the road structure and its construction method of a kind of tunnel upper.A kind of technical scheme of the road structure of tunnel upper of the present invention is as follows, a kind of road structure of tunnel upper, including waterproof matrix, waterproof layer, fish tail and waterproof layer, the supercrust set gradually from the bottom to top, and the waterproof matrix is laid on above tunnel roof.
Description
Technical field
The invention belongs to the realm of building construction, the road structure and its construction method of more particularly to a kind of tunnel upper.
Background technology
Now, building for the underground space especially tunnel becomes the key content in each urban planning and construction.Many feelings
Under condition, road can be also built in tunnel upper, therefore building for tunnel generally requires overall examine with building for tunnel upper road
Consider.
Common method is the absolute altitude for the road for determining tunnel upper first, it is then determined that the height of road bottom overburden layer
Degree, on this basis, the top mark for redesigning tunnel are high.So, the thickness of road elevation and overburden layer will certainly reduce tunnel
The overall absolute altitude in road, makes the cutting depth in tunnel further decline, and virtually adds the difficulty of construction and cost in tunnel.
The overall absolute altitude in tunnel can be raised by cancelling overburden layer.But, the waterproof of tunnel top can be caused by cancelling overburden layer
Layer is slowly lost because of dynamic vehicle load, in addition, in the case where no overburden layer is protected, common waterproof layer can not also be adapted to
The larger temperature difference produced during the use of road, the anti-hidden danger waterborne that there is durability in tunnel.
How in the case where cancelling road overburden layer, reach the mesh for raising the overall absolute altitude in tunnel, reduction construction cost and difficulty
While, be effectively protected tunnel top waterproof layer, be a urgent problem.
The content of the invention
For the overburden layer in the case where cancelling road, the mesh for raising the overall absolute altitude in tunnel, reduction construction cost and difficulty is reached
While, be effectively protected tunnel top waterproof layer, the present invention provides a kind of road structure and its construction party of tunnel upper
Method.
A kind of technical scheme of the road structure of tunnel upper of the present invention is as follows：
A kind of road structure of tunnel upper, including waterproof matrix, waterproof layer, the waterproofing protection set gradually from the bottom to top
Layer, supercrust, the waterproof matrix are laid on above tunnel roof.
A kind of road structure of the tunnel upper of the present invention has the beneficial effect that：
The present invention has set gradually waterproof matrix, waterproof layer, waterproof and protected from the bottom to top between tunnel roof and supercrust
Sheath, instead of the overburden layer in the prior art between tunnel roof and supercrust so that the overall absolute altitude in tunnel is raised,
And from the case where ensureing tunnel water proofing effect, reached reduction constructing tunnel difficulty, and reduction constructing tunnel cost
Purpose.
Further, in the road structure of the tunnel upper, the waterproof matrix includes being laid on above tunnel roof
Solvent free bi-component epoxy resin basic unit and the quartz sand that is laid on above solvent free bi-component epoxy resin basic unit
Layer.The thickness of solvent free bi-component epoxy resin basic unit is 2-3cm, its can with the waterproof layer on top using heating by the way of
Infiltration combination is carried out, the anti-shear ability between waterproof matrix and waterproof layer faying face is enhanced, so as to reduce sliding phenomenon
Generation.And quartz sand layer is laid above solvent free bi-component epoxy resin basic unit, waterproof matrix and waterproof can be expanded
The contact area of layer, so that the anti-shear ability between waterproof matrix and waterproof layer faying face is further enhanced, quartz sand layer
Thickness is 0.2-0.7mm, and consumption is 300-500g/m2。
Further, in the road structure of the tunnel upper, the waterproof layer includes slightly embryonic sack bridge modified pitch
Waterproof roll, the slightly embryonic sack bridge includes lower bitumen layer, the tire base set gradually from the bottom to top with modified asphalt waterproof coiled material
Layer and upper bitumen layer, the thickness of the lower bitumen layer are more than the upper bitumen layer.The slightly embryonic sack bridge modified asphalt waterproof
The thickness of coiled material is 3-5cm, can be in rapidly paste after thicker lower bitumen layer hot melt, so as to enhance itself and waterproof matrix
Cohesive force, improves waterproof effect；Tire basic unit and this inclined tire design of relatively thin upper bitumen layer can buffer traffic loading under
The influence of bitumen layer, is reduced under heavy traffic loading, the probability for the phenomenon such as waterproof layer does not plan a successor because of deformation, slid.Separately
Outside, slightly embryonic sack bridge is about 125 DEG C -130 DEG C with the heatproof of modified asphalt waterproof coiled material, will not occur lower drip in use
The phenomenon that cyan layer, tire basic unit and upper bitumen layer are mutually disengaged.
Further, in the road structure of the tunnel upper, the fish tail and waterproof layer includes pea gravel concreten layer.Microlith
Concrete layer can completely cut off supercrust and waterproof layer, disperse the shearing force produced by traffic loading come from supercrust transmission, from
And issuable hardness destruction is avoided, play a part of protecting waterproof layer.The thickness of pea gravel concreten layer is 10-20cm.
Further, in the road structure of the tunnel upper, the supercrust includes the road set gradually from the bottom to top
Face basic unit, slurry seal, Coarse Graded Bituminous Concrete layer, middle grain formula bituminous concrete, top course, the sub-surface are water
Cement-stabilizing broken stone layer or the big Stone layer of concrete layer or cement, the top course is asphalt-mastic-broken stone layer or modified
Bitumen layer or bituminous macadam.Sub-surface can be by road surface load, when especially braking as last layer of supercrust
Lateral sliding power is entered row buffering and shared equally, to protect waterproof layer.Sub-surface is preferentially using cement stabilized macadam layer, thickness 40-
50cm。
The present invention also provides a kind of construction method of the road structure of tunnel upper.
A kind of technical scheme of the construction method of the road structure of tunnel upper of the present invention comprises the following steps：
The first step, to being cleaned above tunnel roof, laying solvent free bi-component epoxy resin basic unit, and described
Dispensed above solvent free bi-component epoxy resin basic unit with the dried quartz sand of fire, form quartz sand layer；
Second step, after solvent free bi-component epoxy resin basic unit is stiff, lays slightly embryonic sack road above quartz sand layer
Bridge modified asphalt waterproof coiled material, heats solvent free bi-component epoxy resin basic unit and slightly embryonic sack simultaneously by the way of hot melt
Bridge modified asphalt waterproof coiled material, makes both close blending bond；
3rd step, after the construction of slightly embryonic sack bridge modified asphalt waterproof coiled material is finished, is dripped in slightly embryonic sack bridge with modified
Pea gravel concreten layer, sub-surface, slurry seal, Coarse Graded Bituminous Concrete layer, middle grain are laid above blue or green waterproof roll successively
Formula bituminous concrete, top course, the sub-surface are cement stabilized macadam layer or concrete layer or the big Stone of cement
Layer, the top course is asphalt-mastic-broken stone layer or modified asphalt layer or bituminous macadam.
A kind of construction method of the road structure of the tunnel upper of the present invention has the beneficial effect that：
The present invention has set gradually waterproof matrix, waterproof layer, waterproof and protected from the bottom to top between tunnel roof and supercrust
Sheath, instead of the overburden layer in the prior art between tunnel roof and supercrust so that the overall absolute altitude in tunnel is raised,
And from the case where ensureing tunnel water proofing effect, reached reduction constructing tunnel difficulty, and reduction constructing tunnel cost
Purpose.In addition, solvent free bi-component epoxy resin basic unit can be permeated with the waterproof layer on top by the way of hot melt
With reference to the anti-shear ability between waterproof matrix and waterproof layer faying face being enhanced, so as to reduce the generation of sliding phenomenon.And
Quartz sand layer is laid above solvent free bi-component epoxy resin basic unit, the contact surface of waterproof matrix and waterproof layer can be expanded
Product, so as to further enhance the anti-shear ability between waterproof matrix and waterproof layer faying face.
Further, in order to strengthen in waterproof effect, a kind of construction method of the road structure of tunnel upper, second
In step, slightly embryonic sack bridge meets a batch 15cm with the short side of modified asphalt waterproof coiled material, and long side meets a batch 10cm, and negative and positive angle, section part are applied
Work waterproof reinforced layer.
Brief description of the drawings
Fig. 1 is a kind of profile of the road structure of tunnel upper of the present invention；
Fig. 2 is a kind of schematic diagram of the road structure of tunnel upper of the present invention.
Embodiment
The road structure to a kind of tunnel upper proposed by the present invention and its construction below in conjunction with the drawings and specific embodiments
Method is described in further detail.According to following explanation and claims, advantages and features of the invention will become apparent from.Need
Bright, accompanying drawing is using very simplified form and uses non-accurately ratio, only conveniently, lucidly to aid in illustrating
The purpose of the embodiment of the present invention.
Embodiment 1：
Referring to figs. 1 to Fig. 2, a kind of road structure of tunnel upper of the present embodiment, including set gradually from the bottom to top
Waterproof matrix 2, waterproof layer 3, fish tail and waterproof layer 4, supercrust 5, the waterproof matrix 2 are laid on the top of tunnel roof 1.Due to
Between tunnel roof 1 and supercrust 5, waterproof matrix 2, waterproof layer 3, fish tail and waterproof layer 4 have been set gradually from the bottom to top, instead of
Overburden layer between tunnel roof 1 and supercrust 5 in the prior art so that the overall absolute altitude in tunnel is raised, and from protecting
In the case of demonstrate,proving tunnel water proofing effect, reduction constructing tunnel difficulty is reached, and reduce the purpose of constructing tunnel cost.
As preferably embodiment, in the road structure of the tunnel upper, the waterproof matrix 2 includes being laid on tunnel
The solvent free bi-component epoxy resin basic unit 202 of the top of road top plate 1 and it is laid on solvent free bi-component epoxy resin-matrix
The quartz sand layer 201 of the top of layer 202.The thickness of solvent free bi-component epoxy resin basic unit 202 be 2-3cm, its can with it is upper
The waterproof layer 3 in portion carries out infiltration combination by the way of hot melt, enhances anti-between waterproof matrix 2 and the faying face of waterproof layer 3
Shear ability, so as to reduce the generation of sliding phenomenon.And in the top laying stone of solvent free bi-component epoxy resin basic unit 202
Sand layer 201, can expand the contact area of waterproof matrix 2 and waterproof layer 3, so as to further enhance waterproof matrix 2 and waterproof
Anti-shear ability between 3 faying face of layer, the thickness of quartz sand layer 201 is 0.2-0.7mm, and consumption is 300-500g/m2。
As preferably embodiment, in the road structure of the tunnel upper, the waterproof layer 3 includes slightly embryonic sack bridge
With modified asphalt waterproof coiled material 301, the slightly embryonic sack bridge is included setting gradually from the bottom to top with modified asphalt waterproof coiled material 301
Lower bitumen layer, tire basic unit and upper bitumen layer, the thickness of the lower bitumen layer is more than the upper bitumen layer.The slightly embryonic sack bridge
Thickness with modified asphalt waterproof coiled material 301 is 3-5cm, can be in rapidly paste after thicker lower bitumen layer hot melt, so as to increase
Its strong cohesive force with waterproof matrix 2, improves waterproof effect；This inclined tire design of tire basic unit and relatively thin upper bitumen layer can
To buffer influence of the traffic loading to lower bitumen layer, reduce under heavy traffic loading, waterproof layer 3 do not plan a successor because of deformation,
The probability of the phenomenons such as sliding.In addition, slightly embryonic sack bridge is about 125 DEG C -130 DEG C with the heatproof of modified asphalt waterproof coiled material 301, no
Can occur the phenomenon that lower bitumen layer, tire basic unit and upper bitumen layer are mutually disengaged in use.
As preferably embodiment, in the road structure of the tunnel upper, the fish tail and waterproof layer 4 is mixed including microlith
Solidifying soil layer 401.Pea gravel concreten layer 401 can completely cut off supercrust 5 and waterproof layer 3, disperse from the transmission of supercrust 5 because of traffic lotus
The shearing force for carrying and producing, so as to avoid issuable hardness destruction, plays a part of protecting waterproof layer 3.Pea gravel concreten
The thickness of layer 401 is 10-20cm.
As preferably embodiment, in the road structure of the tunnel upper, the supercrust 5 include from the bottom to top according to
The sub-surface 505 of secondary setting, slurry seal 504, Coarse Graded Bituminous Concrete floor 503, middle grain formula bituminous concrete 502, road
Face surface layer 501, the sub-surface 505 is cement stabilized macadam layer or concrete layer or the big Stone layer of cement, the road
Face surface layer 501 is asphalt-mastic-broken stone layer or modified asphalt layer or bituminous macadam.Sub-surface 505 is used as supercrust 5
Last layer can be by road surface load, and lateral sliding power when especially braking is entered row buffering and shared equally, to protect waterproof layer 3.
Sub-surface 505 is preferentially using cement stabilized macadam layer, thickness 40-50cm.
Embodiment 2：
Referring to figs. 1 to Fig. 2, a kind of construction method of the road structure of tunnel upper of the present embodiment comprises the following steps：
The first step, is cleaned to the top of tunnel roof 1, laying solvent free bi-component epoxy resin basic unit 202, and
The top of solvent free bi-component epoxy resin basic unit 202 is dispensed with the dried quartz sand of fire, forms quartz sand layer 201；
Second step, it is inclined in the laying of the top of quartz sand layer 201 after solvent free bi-component epoxy resin basic unit 202 is stiff
Tire base bridge modified asphalt waterproof coiled material 301, heats solvent free bi-component epoxy resin-matrix simultaneously by the way of hot melt
Layer 202 and slightly embryonic sack bridge modified asphalt waterproof coiled material 301, make both close blending bond；
3rd step, after the construction of slightly embryonic sack bridge modified asphalt waterproof coiled material 301 is finished, is modified in slightly embryonic sack bridge
Pea gravel concreten layer 401, sub-surface 505, slurry seal 504, coarse grain formula pitch are laid successively in the top of asphalt water-proof coiled material 301
Concrete layer 503, middle grain formula bituminous concrete 502, top course 501, the sub-surface 505 be cement stabilized macadam layer or
Concrete layer or the big Stone layer of cement, the top course 501 is asphalt-mastic-broken stone layer or modified asphalt layer or drip
Blue or green metalling.
The present embodiment set gradually between tunnel roof 1 and supercrust 5, from the bottom to top waterproof matrix 2, waterproof layer 3,
Fish tail and waterproof layer 4, instead of the overburden layer in the prior art between tunnel roof 1 and supercrust 5 so that the overall absolute altitude in tunnel
Raised, and from the case where ensureing tunnel water proofing effect, reached reduction constructing tunnel difficulty, and reduction tunnel is applied
The purpose of work cost.In addition, solvent free bi-component epoxy resin basic unit 202 can use hot melt with the waterproof layer 3 on top
Mode carries out infiltration combination, the anti-shear ability between waterproof matrix 2 and the faying face of waterproof layer 3 is enhanced, so as to reduce cunning
Move the generation of phenomenon.And in the top laying quartz sand layer 201 of solvent free bi-component epoxy resin basic unit 202, can expand anti-
The contact area of water-base 2 and waterproof layer 3, so as to further enhance anti-shearing between waterproof matrix 2 and the faying face of waterproof layer 3
Ability.
As preferably embodiment, in order to strengthen waterproof effect, a kind of construction of the road structure of tunnel upper
In method, in second step, slightly embryonic sack bridge meets a batch 15cm with the short side of modified asphalt waterproof coiled material 301, and long side meets a batch 10cm, i.e.,
Adjacent slightly embryonic sack the bridge overlapping 15cm of short side, the overlapping 10cm in long side between modified asphalt waterproof coiled material 301, it is negative and positive angle, disconnected
Construction waterproof enhancement layer at face.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (7)
1. a kind of road structure of tunnel upper, it is characterised in that including the waterproof matrix (2), anti-set gradually from the bottom to top
Water layer (3), fish tail and waterproof layer (4), supercrust (5), the waterproof matrix (2) are laid on above tunnel roof (1).
2. the road structure of tunnel upper as claimed in claim 1, it is characterised in that the waterproof matrix (2) includes laying
Solvent free bi-component epoxy resin basic unit (202) above tunnel roof (1) and it is laid on solvent free bi-component ring
Quartz sand layer (201) above epoxy resin-based layer (202).
3. the road structure of tunnel upper as claimed in claim 1, it is characterised in that the waterproof layer (3) includes slightly embryonic sack
Bridge is included from the bottom to top with modified asphalt waterproof coiled material (301), the slightly embryonic sack bridge with modified asphalt waterproof coiled material (301)
Lower bitumen layer, tire basic unit and the upper bitumen layer set gradually, the thickness of the lower bitumen layer is more than the upper bitumen layer.
4. the road structure of tunnel upper as claimed in claim 1, it is characterised in that the fish tail and waterproof layer (4) includes thin
Stone concrete layer (401).
5. the road structure of tunnel upper as claimed in claim 1, it is characterised in that the supercrust (5) include by it is lower extremely
On set gradually sub-surface (505), slurry seal (504), Coarse Graded Bituminous Concrete layer (503), middle grain formula pitch mix
Solidifying soil (502), top course (501), the sub-surface (505) are cement stabilized macadam layer or concrete layer or the big grain of cement
Footpath metalling, the top course (501) is asphalt-mastic-broken stone layer or modified asphalt layer or bituminous macadam.
6. a kind of construction method of the road structure of tunnel upper, it is characterised in that comprise the following steps：
The first step, to being cleaned above tunnel roof (1), laying solvent free bi-component epoxy resin basic unit (202), and
Dispensed above the solvent free bi-component epoxy resin basic unit (202) with the dried quartz sand of fire, form quartz sand layer
(201)；
Second step, after solvent free bi-component epoxy resin basic unit (202) is stiff, laying is inclined above quartz sand layer (201)
Tire base bridge heats solvent free bi-component epoxy resin simultaneously with modified asphalt waterproof coiled material (301) by the way of hot melt
Basic unit (202), with modified asphalt waterproof coiled material (301), makes both close blending bond with slightly embryonic sack bridge；
3rd step, after slightly embryonic sack bridge modified asphalt waterproof coiled material (301) construction is finished, is dripped in slightly embryonic sack bridge with modified
Pea gravel concreten layer (401), sub-surface (505), slurry seal (504), coarse grain are laid above blue or green waterproof roll (301) successively
Formula asphalt concrete layer (503), middle grain formula bituminous concrete (502), top course (501), the sub-surface (505) are water
Cement-stabilizing broken stone layer or the big Stone layer of concrete layer or cement, the top course (501) is asphalt-mastic-broken stone layer
Or modified asphalt layer or bituminous macadam.
7. the construction method of the road structure of tunnel upper as claimed in claim 6, it is characterised in that in second step, inclined tire
Base bridge meets a batch 15cm with the short side of modified asphalt waterproof coiled material (301), and long side meets a batch 10cm, and negative and positive angle, section part construction are anti-
Water enhancement layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452887.1A CN107165012A (en) | 2017-06-15 | 2017-06-15 | The road structure and its construction method of a kind of tunnel upper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452887.1A CN107165012A (en) | 2017-06-15 | 2017-06-15 | The road structure and its construction method of a kind of tunnel upper |
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| CN201710452887.1A Pending CN107165012A (en) | 2017-06-15 | 2017-06-15 | The road structure and its construction method of a kind of tunnel upper |
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| CN108425296A (en) * | 2018-04-28 | 2018-08-21 | 中铁二院重庆勘察设计研究院有限责任公司 | A kind of open-cut tunnel structure in levels overlapping railway line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425296A (en) * | 2018-04-28 | 2018-08-21 | 中铁二院重庆勘察设计研究院有限责任公司 | A kind of open-cut tunnel structure in levels overlapping railway line |
| CN108425296B (en) * | 2018-04-28 | 2024-04-05 | 中铁二院重庆勘察设计研究院有限责任公司 | Open cut tunnel structure for upper and lower layer overlapped railway lines |
| CN111734442A (en) * | 2020-05-15 | 2020-10-02 | 江苏瑞沃建设集团有限公司 | Box roof structure of urban tunnel branch mouth |
| CN111734442B (en) * | 2020-05-15 | 2022-06-28 | 江苏瑞沃建设集团有限公司 | Box roof structure of urban tunnel branch mouth |
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Application publication date: 20170915 |