CN106382123B - A kind of macromolecule tunnel waterproofing layer and its construction technology - Google Patents
A kind of macromolecule tunnel waterproofing layer and its construction technology Download PDFInfo
- Publication number
- CN106382123B CN106382123B CN201610924535.7A CN201610924535A CN106382123B CN 106382123 B CN106382123 B CN 106382123B CN 201610924535 A CN201610924535 A CN 201610924535A CN 106382123 B CN106382123 B CN 106382123B
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- waterproof
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- 238000004078 waterproofing Methods 0.000 title claims abstract description 38
- 229920002521 macromolecule Polymers 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims description 10
- 238000005516 engineering process Methods 0.000 title claims description 10
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 229920006351 engineering plastic Polymers 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000005251 gamma ray Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 108091006146 Channels Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of macromolecule tunnel waterproofing layer, which includes multiple waterproof plate units, and waterproof plate unit is spliced to form the waterproof layer in tunnel along length of tunnel direction each other；The waterproof plate unit is manufactured by the high molecular material with toughness, the section of waterproof plate unit is in the arch for being similar to tunnel section, size is less than the sectional dimension of tunnel liner, there are draining cavity between waterproof plate unit and tunnel liner, drains in cavity and is provided with rhone.Macromolecule tunnel waterproofing layer of the present invention falls into rhone after leak, the infiltration in tunnel capable of being drained the guidance of cavity, effectively prevents tunnel leak, ensure that the pedestrian in tunnel and traffic safety.Also, macromolecule tunnel waterproofing layer of the present invention is separated with tunnel support structure, can be not only used cooperatively with traditional tunnel waterproofing method in newly built tunnels, can also be installed in the tunnel built up for remedying leak tunnel.
Description
Technical field
The present invention relates to tunnel water proofing field more particularly to a kind of structures of tunnel waterproofing layer, production technology and construction work
Skill.
Background technique
Tunnel leak can not only reduce concrete-lined durability, but also reduce the function of various facilities in tunnel, dislike
Change the environment in tunnel.In cold district, tunnel leak will also be such that tunnel road surface freezes, and top generates icicle, to influence tunnel
The normal traffic in road.Therefore, it is required with proposed all kinds of tunnels at present and takes good waterproof measure building, it is all kinds of to have built
Waterproof measure is remedied at a kind of tunnel that still waterproof measure fails also efficient and cost-effective of demand.
Tunnel water proofing technology is there are mainly three types of type, first is that from country rock, structure and additional waterproofing layer setting about relying mainly on prevention
Watertight type waterproof, second is that from hydrophobic, the sluicing type set about based on arranging that sluices or draining from row's type waterproof, third is that anti-row combined
Mixed type waterproof.Specific tunnel water proofing way includes: composite lining waterproof, secondary lining waterproof, single lining waterproof, draining
Method waterproof and grouting and water-proof.Due to the complexity multiplicity of geologic(al) factor, single waterproofing process is difficult to adapt to various types of tunnels,
Careful exploration tunnel geological environment, reasonably to select a variety of waterproof methods to carry out tunnel comprehensive waterproofs be current to realize high quality
The important method of tunnel water proofing.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of novel tunnel waterproofing layer, the waterproof layer can it is independent or
With traditional tunnel waterproofing method integrated application in tunnel water proofing, tunnel water proofing effect is improved.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of macromolecule tunnel waterproofing layer, including it is more
A waterproof plate unit, waterproof plate unit are spliced to form the waterproof layer in tunnel along length of tunnel direction each other；The waterproof plate unit
Including upper plate and lower plate, upper plate and lower plate are manufactured by the high molecular material with toughness, are constituted after upper plate benging with two pieces of lower plates
It is similar to the arch waterproof plate unit in tunnel section, the sectional dimension of waterproof plate unit is less than the sectional dimension of tunnel liner, prevents
Water plate unit is installed on the lower section of tunnel liner, and there are draining cavitys between waterproof plate unit and tunnel liner；Upper plate and lower plate
Junction is provided with rhone, and rhone is located in draining cavity.
Further, the both ends of the waterproof plate unit in the width direction are welded with connector, each waterproof plate unit it
Between by connector grafting, the connected structure of upper plate and lower plate is to form physical seal knot in the seam crossing of waterproof plate unit
Structure, while also facilitating the planarization of each waterproof plate unit construction, be conducive to carry out subsequent welding operation in seam crossing.
Further, the macromolecule tunnel waterproofing layer is provided with multiple expansion joints, expansion joint be located at two pieces it is adjacent anti-
Between water plate unit, yielding rubber sealing expansion joint is provided at expansion joint.
Further, the lateral wall of the rhone offers drainage hole, and drainpipe is connected at drainage hole, and drainpipe will be arranged
Ponding drainage in sink enters the drainage channel in tunnel.
Further, aperture swelling agent is filled in the draining cavity.
The present invention also provides a kind of production technologies of high score tunnel water proofing plate unit, include the following steps:
(1) by macromolecule engineering plastics extrusion molding or it is compression molded into macromolecule crystal slabstone coiled material；
(2) by macromolecule engineering plastic injection at connector；
(3) macromolecule crystal slabstone coiled material is cut into the upper plate and lower plate of waterproof plate unit, at the edge of upper plate and lower plate
Welded connections；
Further, the macromolecule engineering plastics, each raw material including following parts by weight: nano silica 1/
40~70 parts of 6000-25000 fineness, 5~10 parts of talcum powder, 30~60 parts of crosslinking agent, 1~5 part of antioxidant, composite material 1~5
Part, 2~5 parts of compatilizer, 1~3 part of toughener and 8~20 parts of glass fibre, 3~10 parts of fire retardant and 10~25 parts of enhancing
Agent will mix total material and be squeezed out by dual-screw-stem machine, then by the material after extrusion under vacuum condition, through gamma-ray irradiation, obtains
Macromolecule engineering plastics needed for the present embodiment.
The present invention also provides a kind of construction technologies of macromolecule tunnel waterproofing layer, include the following steps:
(1) tunnel size setting-out, production of the resulting size of setting-out for construct aperture positioning and splash guard；
(2) fixed U-shaped piece is punched in tunnel inner wall；
(3) the fixed rhone of U-shaped piece is utilized；
(4) using the upper plate and lower plate of expansion bolt installation waterproof plate unit, the exposed end of expansion bolt should install anti-
Water cover cap；
(5) upper plate adjacent to each other and lower plate adjacent to each other are welded, the joint seal between each waterproof plate unit is kept；
(6) upper plate and rhone and lower plate and rhone are welded；
(7) drainpipe is installed at the drainage hole of rhone.
Preferably, the upper plate of splash guard and the edge of lower plate that the step 4 is installed are welded with connector, adjacent upper plate
Between by connector grafting, pass through connector grafting between adjacent lower plate.
The utility model has the advantages that (1) macromolecule tunnel waterproofing layer of the present invention is installed on the inside of tunnel liner, in waterproof layer and tunnel
Draining cavity is formed between lining, the leak, infiltration in tunnel fall into rhone after being drained the guidance of cavity, effectively prevent tunnel
Road leak ensure that the pedestrian in tunnel and traffic safety.(2) macromolecule tunnel waterproofing layer of the present invention and tunnel support structure point
From, not only can with traditional tunnel waterproofing method be used cooperatively in newly built tunnels, the tunnel built up can also be installed on
In for remedying leak tunnel.(3) macromolecule tunnel waterproofing layer of the present invention uses macromolecule engineering plastic production splash guard, takes into account
Rigidity and toughness have good anti-strong acid-base, shock resistance, stretch-resistance and waterproofness.(3) macromolecule tunnel water proofing of the present invention
Use welded seal between each waterproof plate unit of layer after grafting again each other, not only waterproof performance is strong, but also facilitate construction and after
Phase maintenance.
Detailed description of the invention
Fig. 1 is 1 macromolecule tunnel waterproofing layer explosive view of embodiment.
Fig. 2 is waterproof plate unit installation partial schematic diagram.
Fig. 3 is rhone scheme of installation.
Fig. 4 is expanded joint structure figure.
Fig. 5 is adjacent waterproof plate unit connected structure schematic diagram (one).
Fig. 6 be adjacent waterproof plate unit connected structure schematic diagram (secondly).
Fig. 7 be adjacent waterproof plate unit connected structure schematic diagram (thirdly).
Fig. 8 is spar coiled material expanded view.
Wherein: 1, upper plate；2, lower plate；3, rhone；4, yielding rubber；5, drainpipe；6, U-shaped piece；7, expansion bolt；8,
Waterproof nut cap.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figure 1, the present embodiment macromolecule tunnel waterproofing layer includes multiple waterproof plate units, waterproof plate unit is along tunnel
Length direction is spliced to form the waterproof layer in tunnel each other.
The waterproof plate unit includes upper plate 1 and lower plate 2, and upper plate 1 and lower plate 2 are by the macromolecule engineering plastics with toughness
Manufacture.The high molecular material includes each raw material of following parts by weight: nano silica 1/6000-25000 fineness 40~70
Part, 5~10 parts of talcum powder, 30~60 parts of crosslinking agent, 1~5 part of antioxidant, 1~5 part of composite material, 2~5 parts of compatilizer, toughening
1~3 part and 8~20 parts of glass fibre of agent, 3~10 parts of fire rating is 94-V0 grades of fire retardant and 10~25 parts of enhancing
Agent.The total material of aforementioned mixing, is squeezed out by dual-screw-stem machine, then by the material after extrusion under vacuum condition, through gamma-ray irradiation,
Macromolecule engineering plastics needed for obtaining the present embodiment.
Upper plate 1 constitutes the arch waterproof plate unit for being similar to tunnel section with two pieces of lower plates 2 after being bent, waterproof plate unit
Sectional dimension is less than the sectional dimension of tunnel liner, and waterproof plate unit is installed on the lower section of tunnel liner, waterproof plate unit and tunnel
There are draining cavitys between road liner；Upper plate 1 and 2 junction of lower plate are provided with rhone 3, and rhone 3 is located in draining cavity.
The both ends of upper plate 1 and lower plate 2 in the width direction are welded with connector, pass through company between two pieces of adjacent upper plates 1
Fitting grafting passes through connector grafting between two pieces of adjacent lower plates 2.Upper plate 1 and the connected structure of lower plate 2 are in order in waterproof
The seam crossing of plate unit forms physics sealing structure, while also facilitating the planarization of each waterproof plate unit construction, is conducive to connecing
Subsequent welding operation is carried out at seam.For the grafting form of seam crossing as shown in Fig. 5, Fig. 6 and Fig. 7, different grafting forms is corresponding
Different connectors.
For macromolecule tunnel waterproofing layer in length of tunnel direction every 10~20 meters of settings, one expansion joint, expansion joint is located at two
Between the adjacent waterproof plate unit of block, it is provided with yielding rubber 4 at expansion joint and seals expansion joint, the structure at expansion joint such as Fig. 4
It is shown.
The lateral wall of rhone 3 offers drainage hole, connects drainpipe 5 at drainage hole.
It drains and is filled with aperture swelling agent in cavity.
The production technology of the present embodiment high score tunnel water proofing plate unit includes the following steps:
(1) by macromolecule engineering plastics extrusion molding or macromolecule crystal slabstone coiled material, web width 600mm, thickness are compression molded into
It is 500mm along web length direction pitch-row through drilling machine aperture on spar coiled material for 4mm, width direction pitch-row is 450mm,
The expanded view of spar coiled material is as shown in Figure 8；The surface rockwell hardness of the spar coiled material is 2H~4H；
(2) by macromolecule engineering plastic injection at connector, the concrete shape of connector is according to used grafting form
It determines, including but not limited to Fig. 5, Fig. 6 and three kinds of structures shown in Fig. 7；
(3) macromolecule crystal slabstone coiled material is cut into the upper plate 1 and lower plate 2 of waterproof plate unit, in upper plate 1 and lower plate 2
Edge welded connections.
The construction technology of the present embodiment macromolecule tunnel waterproofing layer, includes the following steps:
(1) tunnel size setting-out；
(2) fixed U-shaped piece 6 is punched in tunnel inner wall；
(3) specific as shown in Figure 3 using the fixed rhone 5 of U-shaped piece 6；
(4) upper plate 1 and lower plate 2 of waterproof plate unit are installed using expansion bolt 7, upper plate 1 and lower plate 2 are in advance in edge welding
Connecting connector, each piece of upper plate 1 and lower plate 2 must keep grafting with installed previous piece of upper plate 1 and lower plate 2, install
Waterproof nut cap is installed in the end of expansion bolt 7 after, it is specific as shown in Figure 2；
(5) upper plate 1 adjacent to each other and lower plate 2 adjacent to each other are welded using plastic cement in seam crossing, it is each anti-to guarantee
Leakproofness between water plate unit；
(6) upper plate 1 and rhone 3 and lower plate 2 and rhone 3 are welded, with guarantee upper plate 1 and lower plate 2 and rhone 3 it
Between sealing；
(7) drainpipe 5 is installed at the drainage hole of rhone 3, leak and infiltration drainage are entered the row in tunnel by drainpipe 5
Aquaporin.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,
It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
It should be included within the scope of the present invention.
Claims (6)
1. a kind of macromolecule tunnel waterproofing layer, it is characterised in that: including multiple waterproof plate units, waterproof plate unit is along length of tunnel
Direction is spliced to form the waterproof layer in tunnel each other；
The waterproof plate unit includes upper plate (1) and lower plate (2), and upper plate (1) and lower plate (2) are by the high molecular material with toughness
Manufacture constitutes the arch waterproof plate unit for being similar to tunnel section, waterproof plate unit with two pieces of lower plates (2) after upper plate (1) bending
Sectional dimension be less than the sectional dimension of tunnel liner, waterproof plate unit is installed on the lower section of tunnel liner, waterproof plate unit with
There are draining cavitys between tunnel liner；Upper plate (1) and lower plate (2) junction are provided with rhone (3), and rhone (3) is located at
It drains in cavity.
2. macromolecule tunnel waterproofing layer according to claim 1, it is characterised in that: the waterproof plate unit is in the width direction
Both ends be welded with connector, pass through connector grafting between each waterproof plate unit.
3. macromolecule tunnel waterproofing layer according to claim 2, it is characterised in that: the macromolecule tunnel waterproofing layer setting
There are multiple expansion joints, expansion joint is located between two pieces of adjacent waterproof plate units, and it is close that yielding rubber (4) is provided at expansion joint
Seal expansion joint.
4. macromolecule tunnel waterproofing layer according to claim 3, it is characterised in that: the lateral wall of the rhone (3) is opened
Equipped with drainage hole, drainpipe (5) are connected at drainage hole.
5. a kind of construction technology of macromolecule tunnel waterproofing layer as described in claim 1, it is characterised in that include the following steps:
(1) tunnel size setting-out；
(2) fixed U-shaped piece is punched in tunnel inner wall；
(3) the fixed rhone of U-shaped piece is utilized；
(4) upper plate and lower plate of waterproof plate unit are installed；
(5) upper plate adjacent to each other and lower plate adjacent to each other are welded；
(6) upper plate and rhone and lower plate and rhone are welded；
(7) drainpipe is installed at the drainage hole of rhone.
6. the construction technology of macromolecule tunnel waterproofing layer according to claim 5, it is characterised in that: step (4) peace
The upper plate of waterproof plate unit and the edge of lower plate of dress are welded with connector, pass through connector grafting, phase between adjacent upper plate
Pass through connector grafting between adjacent lower plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924535.7A CN106382123B (en) | 2016-10-24 | 2016-10-24 | A kind of macromolecule tunnel waterproofing layer and its construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924535.7A CN106382123B (en) | 2016-10-24 | 2016-10-24 | A kind of macromolecule tunnel waterproofing layer and its construction technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382123A CN106382123A (en) | 2017-02-08 |
| CN106382123B true CN106382123B (en) | 2019-06-28 |
Family
ID=57956980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610924535.7A Expired - Fee Related CN106382123B (en) | 2016-10-24 | 2016-10-24 | A kind of macromolecule tunnel waterproofing layer and its construction technology |
Country Status (1)
| Country | Link |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO320293B1 (en) * | 2003-10-15 | 2005-11-21 | Giertsen As W | Device for water drainage system for mountain rooms |
| CN102251676B (en) * | 2010-04-01 | 2013-01-02 | 东营瑞源特种建筑材料有限公司 | Construction method of joint-free heat-insulating, decorative and waterproof integrated composite plate |
| CN102434177A (en) * | 2011-12-16 | 2012-05-02 | 四川省宏源防水工程有限公司 | Composite waterproof board and production technology thereof |
| CN102434175A (en) * | 2012-01-12 | 2012-05-02 | 中国市政工程西北设计研究院有限公司 | Tunnel lining self waterproof drainage system |
| CN104061017A (en) * | 2014-07-08 | 2014-09-24 | 中交第二公路勘察设计研究院有限公司 | Tunnel maintainable type pressure reducing and water draining method and device for water rich stratum |
| CN204098936U (en) * | 2014-07-30 | 2015-01-14 | 安瑞隧道壁板科技开发（大连）有限公司 | Water conservancy diversion slot type high-strength tenacity magnesium iron tunnel wallboard |
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| CN106382123A (en) | 2017-02-08 |
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