CN106382123A - High-molecular tunnel waterproof layer and production and construction technology thereof - Google Patents

High-molecular tunnel waterproof layer and production and construction technology thereof Download PDF

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Publication number
CN106382123A
CN106382123A CN201610924535.7A CN201610924535A CN106382123A CN 106382123 A CN106382123 A CN 106382123A CN 201610924535 A CN201610924535 A CN 201610924535A CN 106382123 A CN106382123 A CN 106382123A
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China
Prior art keywords
tunnel
macromolecule
slab element
waterproof
upper plate
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CN201610924535.7A
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CN106382123B (en
Inventor
高楠
郭兆来
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/383Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B30/00Compositions for artificial stone, not containing binders
    • C04B30/02Compositions for artificial stone, not containing binders containing fibrous materials
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage
    • E21F16/02Drainage of tunnels
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00724Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent materials

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Organic Chemistry (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention discloses a high-molecular tunnel waterproof layer. The waterproof layer comprises multiple waterproof plate units, wherein the waterproof plate units are mutually spliced along the tunnel length direction to form a waterproof layer of the tunnel; each waterproof plate unit is made from a flexible high-molecular material; the cross section of the waterproof plate unit is of an arc shape similar to the cross section of the tunnel, and the size is smaller than the cross section size of a tunnel lining; a drainage cavity is reserved between the waterproof plate unit and the tunnel lining; and a drainage channel is arranged in the drainage cavity. Through the high-molecular tunnel waterproof layer disclosed by the invention, the leaking water and penetrating water in the tunnel are guided by the drainage cavity and then fall into the drainage channel, so that the water leakage of the tunnel is effectively prevented, and the safety of pedestrians and driving in the tunnel is guaranteed. Moreover, since the high-molecular tunnel waterproof layer is separated from a tunnel support structure, the waterproof layer can be applied to a new tunnel together with the traditional tunnel waterproofing method and also can be mounted in a built tunnel for repairing the water-leaking tunnel.

Description

A kind of macromolecule tunnel waterproofing layer and its production and construction techniques
Technical field
The present invention relates to tunnel water proofing field, more particularly, to a kind of structure of tunnel waterproofing layer, production technology and construction work Skill.
Background technology
Tunnel leak not only can reduce concrete-lined durability, and reduces the function of various facilities in tunnel, dislikes Change the environment in tunnel.In cold district, tunnel leak also will make tunnel road surface freeze, and top produces icicle, thus affecting tunnel The normal traffic in road.Therefore, require in all kinds of tunnels built and plan to build at present and take good waterproof measure, all kinds of built Become but waterproof measure lost efficacy tunnel also a kind of efficient and cost-effective of demand remedy waterproof measure.
Tunnel water proofing technology mainly has three types, and one sets about relying mainly on prevention from country rock, structure and additional waterproofing layer Watertight type waterproof, two be from hydrophobic, sluice and set about sluicing type based on arranging or drain from row's type waterproof, three is that anti-row combines 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.Because the complexity of geologic(al) factor is various, single waterproofing process is difficult to adapt to various types of tunnels, Careful exploration tunnel geological environment, reasonably to select multiple waterproof methods to carry out tunnel comprehensive waterproof be to realize high-quality at present The important method of tunnel water proofing.
Content of the invention
The technical problem to be solved in the present invention be provide a kind of new tunnel waterproofing layer, this waterproof layer can independently or With traditional tunnel waterproofing method integrated application in tunnel water proofing, improve tunnel water proofing effect.
For solving above-mentioned technical problem, the technical solution used in the present invention is:A kind of macromolecule tunnel waterproofing layer, including many Individual waterproof Slab element, waterproof Slab element is spliced to form the waterproof layer in tunnel each other along length of tunnel direction;Described waterproof Slab element Including upper plate and lower plate, upper plate and lower plate, by the macromolecular material manufacture with toughness, are constituted with two pieces of lower plates after upper plate benging Similar in appearance to the arch waterproof Slab element in tunnel section, the sectional dimension of waterproof Slab element is less than the sectional dimension of tunnel liner, prevents Water Slab element is installed on the lower section of tunnel liner, leaves draining cavity between waterproof Slab element and tunnel liner;Upper plate and lower plate Junction is provided with rhone, and rhone is located in draining cavity.
Further, described waterproof Slab element two ends in the width direction are all welded with connector, each waterproof Slab element it Between pass through connector grafting, the connected structure of upper plate and lower plate is to form physical seal knot in the seam crossing of waterproof Slab element Structure, is also convenient for the planarization of each waterproof Slab element construction simultaneously, is conducive to carrying out follow-up welding operation in seam crossing.
Further, described macromolecule tunnel waterproofing layer is provided with multiple expansion joints, and expansion joint is located at two pieces of adjacent preventing Between water Slab element, it is provided with yielding rubber sealing expansion joint at expansion joint.
Further, the lateral wall of described rhone offers osculum, connects drain pipe at osculum, and drain pipe will be arranged Hydrops drain in tank enters the drainage channel in tunnel.
Further, it is filled with perforate extender in described draining cavity.
Present invention also offers a kind of production technology of high score tunnel water proofing Slab element, comprise the steps:
(1) by macromolecule engineering plastics extrusion molding or be compression molded into macromolecule crystal slabstone coiled material;
(2) macromolecule engineering plastic injection is become connector;
(3) macromolecule crystal slabstone coiled material is cut into upper plate and the lower plate of waterproof Slab element, at the edge of upper plate and lower plate Welded connections;
Further, described macromolecule engineering plastics, including each raw material of following parts by weight:Nano silicon 1/ 40~70 parts of 6000-25000 fineness, 5~10 parts of Pulvis Talci, 30~60 parts of cross-linking agent, 1~5 part of antioxidant, composite 1~5 Part, 2~5 parts of compatilizer, 1~3 part of toughener and 8~20 parts of glass fibre, the enhancing of 3~10 parts of fire retardant and 10~25 parts Agent, will mix total material and be extruded by dual-screw-stem machine, then by the material after extrusion under vacuum condition, through gamma-ray irradiation, obtain Macromolecule engineering plastics needed for the present embodiment.
Present invention also offers a kind of construction technology of macromolecule tunnel waterproofing layer, comprise the steps:
(1) tunnel size setting-out, the size of setting-out gained is for construct perforate positioning and the production of splash guard;
(2) punch in tunnel inner wall and fix U-shaped piece;
(3) U-shaped piece is utilized to fix rhone;
(4) use expansion bolt that upper plate and the lower plate of waterproof Slab element are installed, the exposed termination of expansion bolt should be installed anti- Water cover cap;
(5) welding upper plate adjacent one another are and lower plate adjacent one another are, keep the joint seal between each waterproof Slab element;
(6) welding upper plate and rhone and lower plate and rhone;
(7) fix a drainpipe at the osculum of rhone.
Preferably, described step 4 is installed the upper plate of splash guard and the edge of lower plate are welded with connector, adjacent upper plate Between pass through connector grafting, between adjacent lower plate pass through connector grafting.
Beneficial effect:(1) macromolecule tunnel waterproofing layer of the present invention is installed on the inside of tunnel liner, in waterproof layer and tunnel Form draining cavity between lining, fall into rhone after leak in tunnel, the guiding through draining cavity for the infiltration, effectively prevent tunnel Road leak is it is ensured that the pedestrian in tunnel and traffic safety.(2) macromolecule tunnel waterproofing layer of the present invention is divided with tunnel support structure From, not only can with traditional tunnel waterproofing method use cooperatively in newly built tunnels it is also possible to be installed on the tunnel having built up In be used for remedying leak tunnel.(3) macromolecule tunnel waterproofing layer of the present invention adopts macromolecule engineering plastic production splash guard, takes into account Rigidity and toughness, have good anti-strong acid-base, shock resistance, stretch-resistance and water proofing property.(3) macromolecule tunnel water proofing of the present invention Adopt welded seal again after grafting each other between each waterproof Slab element of layer, not only water resistance is strong, and convenient construction and after Phase safeguards.
Brief description
Fig. 1 is embodiment 1 macromolecule tunnel waterproofing layer explosive view.
Fig. 2 is that waterproof Slab element installs partial schematic diagram.
Fig. 3 is rhone scheme of installation.
Fig. 4 is expanded joint structure figure.
Fig. 5 is adjacent waterproof Slab element connected structure schematic diagram (one).
Fig. 6 is adjacent waterproof Slab element connected structure schematic diagram (its two).
Fig. 7 is adjacent waterproof Slab element connected structure schematic diagram (its three).
Fig. 8 is spar coiled material expanded view.
Wherein:1st, upper plate;2nd, lower plate;3rd, rhone;4th, yielding rubber;5th, drain pipe;6th, U-shaped piece;7th, expansion bolt;8、 Waterproof block.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail.
Embodiment 1
As shown in figure 1, the present embodiment macromolecule tunnel waterproofing layer includes multiple waterproof Slab element, waterproof Slab element is along tunnel Length direction is spliced to form the waterproof layer in tunnel each other.
Described waterproof Slab element 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.This macromolecular material includes each raw material of following parts by weight:Nano silicon 1/6000-25000 fineness 40~70 Part, 5~10 parts of Pulvis Talci, 30~60 parts of cross-linking agent, 1~5 part of antioxidant, 1~5 part of composite, 2~5 parts of compatilizer, toughness reinforcing 1~3 part of agent and 8~20 parts of glass fibre, 3~10 parts of fire rating is the enhancing of the fire retardant of 94-V0 level and 10~25 parts Agent.The total material of aforementioned mixing, is extruded by dual-screw-stem machine, then by the material after extrusion under vacuum condition, through gamma-ray irradiation, Obtain the macromolecule engineering plastics needed for the present embodiment.
Constitute the arch waterproof Slab element similar in appearance to tunnel section with two pieces of lower plates 2 after upper plate 1 bending, waterproof Slab element Sectional dimension is less than the sectional dimension of tunnel liner, and waterproof Slab element is installed on the lower section of tunnel liner, waterproof Slab element and tunnel Draining cavity is left between road liner;Upper plate 1 and lower plate 2 junction are provided with rhone 3, and rhone 3 is located in draining cavity.
Upper plate 1 and lower plate 2 two ends in the width direction are all welded with connector, pass through even between two pieces of adjacent upper plates 1 Fitting grafting, passes through connector grafting between two pieces of adjacent lower plates 2.The connected structure of upper plate 1 and lower plate 2 is in order in waterproof The seam crossing of Slab element forms physics sealing structure, is also convenient for the planarization of each waterproof Slab element construction simultaneously, is conducive to connecing Carry out follow-up welding operation at seam.As shown in Fig. 5, Fig. 6 and Fig. 7, different grafting forms corresponds to the grafting form of seam crossing Different connectors.
Macromolecule tunnel waterproofing layer arranges an expansion joint in length of tunnel direction every 10~20 meters, and expansion joint is located at two Between the adjacent waterproof Slab element of block, it is provided with yielding rubber 4 sealing expansion joint, the structure such as Fig. 4 at expansion joint at expansion joint Shown.
The lateral wall of rhone 3 offers osculum, connects drain pipe 5 at osculum.
It is filled with perforate extender in draining cavity.
The production technology of the present embodiment high score tunnel water proofing Slab element comprises the steps:
(1) by macromolecule engineering plastics extrusion molding or be compression molded into macromolecule crystal slabstone coiled material, web width is 600mm, thickness For 4mm, through boring machine perforate on spar coiled material, it is 500mm along web length direction pitch-row, width pitch-row is 450mm, The expanded view of spar coiled material is as shown in Figure 8;The surface rockwell hardness of this spar coiled material is 2H~4H;
(2) macromolecule engineering plastic injection is become connector, the concrete shape of connector is according to the grafting form being adopted Determine, three including but not limited to shown in Fig. 5, Fig. 6 and Fig. 7 kind structure;
(3) macromolecule crystal slabstone coiled material is cut into upper plate 1 and the lower plate 2 of waterproof Slab element, in upper plate 1 and lower plate 2 Edge welded connections.
The construction technology of the present embodiment macromolecule tunnel waterproofing layer, comprises the steps:
(1) tunnel size setting-out;
(2) punch in tunnel inner wall and fix U-shaped piece 6;
(3) U-shaped piece 6 is utilized to fix rhone 5, specifically as shown in Figure 3;
(4) utilize expansion bolt 7 that upper plate 1 and the lower plate 2 of waterproof Slab element are installed, 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 the previous piece of upper plate 1 installed and lower plate 2, install In the termination of expansion bolt 7, waterproof block is installed after one-tenth, specifically as shown in Figure 2;
(5) plastic cement welding upper plate 1 adjacent one another are and lower plate 2 adjacent one another are are adopted in seam crossing, anti-to ensure each Sealing between water Slab element;
(6) welding upper plate 1 and rhone 3 and lower plate 2 and rhone 3, with ensure upper plate 1 and lower plate 2 and rhone 3 it Between sealing;
(7) 5 are fixed a drainpipe at the osculum of rhone 3, leak and infiltration drain are entered the row in tunnel by drain pipe 5 Aquaporin.
Although being illustrated to embodiments of the present invention in description, these embodiments are intended only as pointing out, Should not limit protection scope of the present invention.Carry out various omissions, displacement and change without departing from the spirit and scope of the present invention all Should comprise within the scope of the present invention.

Claims (9)

1. a kind of macromolecule tunnel waterproofing layer it is characterised in that:Including multiple waterproof Slab element, waterproof Slab element is along length of tunnel Direction is spliced to form the waterproof layer in tunnel each other;
Described waterproof Slab element includes upper plate (1) and lower plate (2), and upper plate (1) and lower plate (2) are by the macromolecular material with toughness Manufacture, after upper plate (1) bending, constitute the arch waterproof Slab element similar in appearance to tunnel section, waterproof Slab element with two pieces of lower plates (2) Sectional dimension be less than the sectional dimension of tunnel liner, waterproof Slab element is installed on the lower section of tunnel liner, waterproof Slab element with Draining cavity is left between tunnel liner;Upper plate (1) and lower plate (2) junction are provided with rhone (3), and rhone (3) is located at In draining cavity.
2. macromolecule tunnel waterproofing layer according to claim 1 it is characterised in that:Described waterproof Slab element is in the width direction Two ends be all welded with connector, between each waterproof Slab element pass through connector grafting.
3. macromolecule tunnel waterproofing layer according to claim 2 it is characterised in that:Described macromolecule tunnel waterproofing layer setting There are multiple expansion joints, expansion joint is located between two pieces of adjacent waterproof Slab element, is provided with yielding rubber (4) close at expansion joint Envelope expansion joint.
4. macromolecule tunnel waterproofing layer according to claim 3 it is characterised in that:The lateral wall of described rhone (3) is opened It is provided with osculum, at osculum, connect drain pipe (5).
5. macromolecule tunnel waterproofing layer according to claim 3 it is characterised in that:It is filled with perforate in described draining cavity Extender.
6. a kind of production technology of high score tunnel water proofing Slab element is it is characterised in that comprise the steps:
(1) by macromolecule engineering plastics extrusion molding or be compression molded into macromolecule crystal slabstone coiled material;
(2) macromolecule engineering plastic injection is become connector;
(3) macromolecule crystal slabstone coiled material is cut into upper plate and the lower plate of waterproof Slab element, in the welding of the edge of upper plate and lower plate Connector.
7. high score tunnel water proofing Slab element according to claim 6 production technology it is characterised in that:Described macromolecule work Engineering plastics, including each raw material of following parts by weight:40~70 parts of nano silicon 1/6000-25000 fineness, Pulvis Talci 5 ~10 parts, 30~60 parts of cross-linking agent, 1~5 part of antioxidant, 1~5 part of composite, 2~5 parts of compatilizer, 1~3 part of toughener and 8~20 parts of glass fibre, the reinforcing agent of 3~10 parts of fire retardant and 10~25 parts.
8. a kind of construction technology of macromolecule tunnel waterproofing layer as claimed in claim 1 is it is characterised in that comprise the steps:
(1) tunnel size setting-out;
(2) punch in tunnel inner wall and fix U-shaped piece;
(3) U-shaped piece is utilized to fix rhone;
(4) upper plate and the lower plate of waterproof Slab element are installed;
(5) welding upper plate adjacent one another are and lower plate adjacent one another are;
(6) welding upper plate and rhone and lower plate and rhone;
(7) fix a drainpipe at the osculum of rhone.
9. macromolecule tunnel waterproofing layer according to claim 8 construction technology it is characterised in that:Described step 4 is installed The upper plate of splash guard and the edge of lower plate be welded with connector, between adjacent upper plate pass through connector grafting, adjacent under Pass through connector grafting between plate.
CN201610924535.7A 2016-10-24 2016-10-24 A kind of macromolecule tunnel waterproofing layer and its construction technology Expired - Fee Related CN106382123B (en)

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CN106382123B CN106382123B (en) 2019-06-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050097845A1 (en) * 2003-10-15 2005-05-12 Giertsen Tunnel As Device and a method for drainage of water from rock caves
CN102251676A (en) * 2010-04-01 2011-11-23 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
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
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050097845A1 (en) * 2003-10-15 2005-05-12 Giertsen Tunnel As Device and a method for drainage of water from rock caves
CN102251676A (en) * 2010-04-01 2011-11-23 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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