CN109441491A - A kind of railway tunnel self-adhesive waterproof material and its construction method - Google Patents
A kind of railway tunnel self-adhesive waterproof material and its construction method Download PDFInfo
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- CN109441491A CN109441491A CN201811269871.8A CN201811269871A CN109441491A CN 109441491 A CN109441491 A CN 109441491A CN 201811269871 A CN201811269871 A CN 201811269871A CN 109441491 A CN109441491 A CN 109441491A
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- drainable waterproofing
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- 238000010276 construction Methods 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 title claims abstract description 27
- 239000000853 adhesive Substances 0.000 title claims abstract description 21
- 238000004078 waterproofing Methods 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 239000002390 adhesive tape Substances 0.000 claims abstract description 17
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 239000004746 geotextile Substances 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000013007 heat curing Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 7
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 235000014594 pastries Nutrition 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000011378 shotcrete Substances 0.000 abstract description 3
- 239000012943 hotmelt Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000014509 gene expression Effects 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002998 adhesive polymer Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 238000004023 plastic welding Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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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
-
- 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
- E21D11/381—Setting apparatus or devices
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention provides a kind of railway tunnel self-adhesive waterproof material and its construction method, which is self-adhering type drainable waterproofing plate, and the surface distribution of self-adhering type drainable waterproofing plate is provided with lug boss, and the surface mount of self-adhering type drainable waterproofing plate is fixed with self-adhesive tape.To substitute existing splash guard and laying method, solve splash guard and easily punctured or penetrated by holdfast, cause splash guard damaged, construction quality not can guarantee, and splash guard be not easy with gunite concrete surface it is closely connected, the problems such as increasing difficulty of construction, reduce waterproof effect.Belong to constructing tunnel field of engineering technology.
Description
Technical field
The present invention relates to a kind of railway tunnel self-adhesive waterproof material and its construction methods, belong to constructing tunnel engineering technology
Field.
Background technique
Currently, the tunnel of China's construction largely uses splash guard as waterproof layer, laying method mainly has " suspension method "
" hot melt gasket melts patch method "." suspension method " is to beat in the electricity consumption of Tunnel surface into holdfast, then passes through splash guard
The suspender belt of behind is fixed with holdfast." hot melt gasket melts patch method " is then first to fix geotextiles using gasket, then waterproof
Plate is welded with hot melt gasket.
Squeezing action of the splash guard by concrete outside " suspension method " fixed point, it is easy to be punctured by holdfast, cause to prevent
Water plate pulls breakage, and the splash guard in " suspension method " is not easy closely connected with gunite concrete surface simultaneously, increases difficulty of construction, drop
Low waterproof effect seldom uses in construction at present." hot melt gasket melts patch method " constructing operation is simple, gasket installation spirit
It is living, but the welding of gasket and splash guard is difficult to grasp, and the case where splash guard through welding often occurs, construction quality not can guarantee.
Summary of the invention
It is an object of the invention to: a kind of railway tunnel self-adhesive waterproof material and its construction method are provided, it is existing to substitute
Some splash guards and laying method solve splash guard and are easily punctured or penetrated by holdfast, cause splash guard damaged, construction quality can not
Guarantee, and splash guard be not easy with gunite concrete surface it is closely connected, the problems such as increasing difficulty of construction, reduce waterproof effect.
To solve the above problems, such a railway tunnel self-adhesive waterproof material of proposed adoption, the self-adhesive waterproof material
Surface distribution for self-adhering type drainable waterproofing plate, self-adhering type drainable waterproofing plate is provided with lug boss, and the surface of self-adhering type drainable waterproofing plate
Stickup is fixed with self-adhesive tape.
The lug boss is circular protrusions structure, and it is highly 5-15mm, between lug boss etc. that the diameter of lug boss, which is 5-15mm,
It is arranged away from distribution, and the distance between adjacent projections are 5-15mm.
The construction method of above-mentioned railway tunnel self-adhesive waterproof material is as follows:
1. preparation of construction；
2. tunnel Special geotextile is laid with；
3. self-adhering type drainable waterproofing plate is laid with；
4. draining blind pipe installation；
5. self-adhering type rubber fastening band is installed.
Above-mentioned steps 1. in specific preparation it is as follows:
1) prepare outside hole: examining self-adhering type drainable waterproofing plate quality, divide middle line with the welding of mark stroke and vault, by every circulation
Design length interception, symmetrical rolled for future use；
2) section measures: Measure section carries out measurement inspection to tunnel clearance, handles individual digging positions of owing, with
Meet Clearance requirement；Measuring vault divides middle line simultaneously；
3) basal plane is handled:
3.1) local leak is directly drained using grouting for water blocking or embedded drainpipe to side, and steel mesh etc. protrudes part, first
With hammer riveting flat wiping mortar element ash after cutting, when having the pipeline of protrusion, smoothed out with mortar；
3.2) it when anchor pole has protruding parts, after 5mm cutting is reserved on the screw crown, is handled with plastic cap；
3.3) preliminary bracing should be without hollowing, crack, crisp pastry, and surface is smooth, and concavo-convex amount must not exceed ± 5cm.
The concrete operations of above-mentioned steps 2. are as follows:
1) geotextile laying is laid with using splash guard Mobile workbench, is first marked at tunnel vault position when being laid with geotextiles vertical
To the midline, and according to basal plane bumps situation surplus capacity is stopped, is preferably laid with from arch to two sides abutment wall；
2) thermoplastic gasket and geotextiles are smoothly fixed on basal plane with nailing, fixed point spacing arch be 0.5m,
Abutment wall 0.8m, is in quincunx arrangement, and basal plane bumps larger part should increase fixed point, keep geotextiles closely connected with basal plane；
3) geotextiles seam lap width is more than or equal to 5cm, circumferential seam is only set, when length is inadequate, if longitudinal seam
And ensure that top (by one of arch) compresses using lower part (by one of bottom) geotextiles, and keep geotextiles close with basal plane
Patch, the geotextiles of laying are smooth, no protuberance, corrugationless.
The concrete operations of above-mentioned steps 3. are as follows:
By self-adhering type drainable waterproofing plate along tunnel circumferential direction spread, top length in reserve 8m~10m；In paving hanging platform roof quadrangle
Self-adhering type drainable waterproofing plate is held up, notices that joint sealing area reserves overlap edge with a upper width and is aligned；By self-adhering type drainable waterproofing plate with
Geotextiles are compressed by the self-adhesive tape on surface pastes, and bonding while is fastened using rubber hammer.
Concrete operations are as follows:
1) setting-out is carried out before being laid with, pop-up normal line carries out the size of determining one ring of drainable waterproofing plate after examination paving, reduces to the greatest extent
Connector；
2) self-adhering type drainable waterproofing plate is laid with using sequence from below to up, it is elastic should appropriateness and there are surplus, when inspection wants
Guarantee that drainable waterproofing plate entire area can arrive to just branch；
3) lap width of two width self-adhering type drainable waterproofing plates is no less than 150mm；
4) when circumferential laying, lower part drainable waterproofing plate should push down top drainable waterproofing plate；
5) overlapping the slot of self-adhering type drainable waterproofing plate circumferential direction should be climbed using double weld seams, temperature adjustment, the automatic of speed regulation thermal wedge minor function
Line heat-sealing machine sweat soldering, detailed treatment or repairing use hand torch, and effective weld width of single weld seam is no less than
15mm, welding is tight, must not weld burnt burn-through；
6) longitudinal lap joint of self-adhering type drainable waterproofing plate is cleared up viscous using the method for " adhesive sealing+convex hull buckle+welding gun edge sealing "
Paste area；The non-bituminous adhesive polymer tape-stripping that width is 18cm is reserved into drainable waterproofing plate convex hull body concave surface in lining cutting longitudinal lap joint
Side simultaneously ensures the position of single-coated foam lower than overlap joint area edge 1cm；Reserved drainable waterproofing plate buckle will be overlapped to compress, lap width
25cm should be not less than；It is handled using plastic welding gun edge sealing.Welding gun drop temperature should be advisable at 300~330 DEG C, and hot blast temperature is adjusted to
Minimum, according to joint gap size appropriate adjustment speed of welding.
7) overlapping the slot of self-adhering type drainable waterproofing plate is staggered lining construction seam not less than 100cm.
8) self-adhering type drainable waterproofing plate is repaired
The repairing block that width is not less than damaged 2 times of long edge size is cut, non-2cm shorter than repairing block width of width is cut
Pitch adhesive polymer adhesive tape is simultaneously pasted on repairing block convex hull body convex surface side, after being cleaned out region to be repaired with geotextiles
Block buckle will be repaired in breakage, handled using plastic welding gun edge sealing, finally stickup single-coated foam region is blown with air-heater and be used in combination
Rubber hammer fastening.
The concrete operations of above-mentioned steps 4. are as follows:
1) longitudinal drainage blind pipe applies
Longitudinal drainage blind pipe is laid in along longitudinal direction in the short abutment wall of left and right side inverted arch, is two diameters under internal rail top at 30cm
For 100 double-walled of φ punch bellows, be mounted on the reinforced frame welded, and connecting bend andLateral aqueduct, when installation
Ensure water-permeable pipe punching up, finally uses geotextiles and self-adhering type drainable waterproofing plate anti-package longitudinal drainage blind pipe.
2) inverted arch short abutment wall position transverse direction aqueduct applies
Short abutment wall position transverse direction aqueduct extends laterally through short abutment wall, and spacing 3m, delivery line is away from lateral sulcus bottom about 20-
30cm is drawn delivery line using two 90 ° of elbows, and centre adds threeway and connect longitudinal drainage blind pipe with lateral aqueduct.
Using hole making drill aperture on self-adhering type drainable waterproofing plate, elbow and lateral aqueduct are pierced by self-adhering type guarded drainage
Plate, seam crossing are handled using saddle connector, and in seam crossing smearing structure glue encapsulation process.
The concrete operations of above-mentioned steps 5. are as follows:
1) self-adhering type waterstop mounting process
Waterstop → fixation waterstop (waterstop is centrally arranged) → is laid to take off isolation film and (remove waterstop and wait for pouring concrete
Side isolation film, other side isolation film retain them temporarily, and avoid self-adhesive contaminated and fail) → connector connection (vertical equity construction
Buried self-adhering rubber sealing belt lacing uses heat cure joint process in seam) → Feng Mo → casting concrete, demoulding.
2) self-adhering type sealing belt lacing is constructed
Self-adhering rubber waterstop uses RLH-I type portable field heat cure junction device, and equipment volume is small, temperature and pressure
The adjustable control of power.
Self-adhering type waterstop heat cure joint process are as follows:
2.1) it preheats.Portable thermal vulcanized joint device temperature is adjusted to 130 DEG C~150 DEG C, preheats 15min.
2.2) connector is handled.Waterstop joint cutting is neat, it clears up joint surface dust and removes connector 5cm range
Interior self-adhesive.
2.3) connector heat cure connects.3cm wide raw rubber connection strap is put among seam, sealing belt lacing fin is complete
Portion is embedded in joint mold, and closed joint equipment is forced into 10MPa, power supply is closed after 20min, and welding terminates.
2.4) glue is covered.Self-adhesion adhesive tape is covered in self-adhesion water stop band joint.
Compared with prior art, splash guard is made into convex hull shape by the present invention, and in factory is fixed on self-adhesive tape with glue anti-
On water plate, scene directly pastes fixed splash guard using self-adhesive tape and geotextiles and achievees the effect that self-adhesion；Using on splash guard
Convex hull gap achievees the effect that circumferential face draining, punches bellows using 100 double-walled of φ, inner wall smooth can effectively prevent ripple
Water crystallization is leaked in pipe；Using self-adhering type waterproof material construction safety, convenient, reliable in quality, shorten the construction period, saves
Construction cost, economic benefit and social benefit are good, and chael-de-fer mountain Tunnel Project achieves preferable effect after constructing using this method
Fruit, and two lining no one percolating water of paragraph constructed, the height by relevant units such as management, owners are praised.
Self-adhering type waterproof material is as a kind of new material, new technology, by its material composition and construction technology
Total innovation and improvement, all kinds of construction environments can be adapted to, from now in the guarded drainages building field such as underground engineering,
It will further optimize the design of material, guarantee construction quality, shorten the construction period, promote construction speed, it is seen that it will be in the present
Put it in guarded drainage field application afterwards, potential technology wide market.
Detailed description of the invention
Fig. 1 is construction flow chart of the invention；
Fig. 2 is that self-adhering type method paving hangs process flow chart；
Fig. 3 is that longitudinal drainage blind pipe in tunnel bottom applies structural schematic diagram；
Fig. 4 is guarded drainage material construction cross-section diagram；
Fig. 5 is the positive structure schematic of self-adhering type drainable waterproofing plate；
Wherein, appended drawing reference: 1 indicates self-adhering type drainable waterproofing plate, and 2 indicate lug boss, and 4 indicate longitudinal drainage blind pipe, and 5 indicate
Geotextiles, the lateral aqueduct of 6 expressions, 7 expression tunnel middle lines, the 8 left line line midlines of expression, the 9 right line line midlines of expression, 10
Indicate design rail level, 11 indicate preliminary bracing, and 12 indicate back sticking type self-adhering rubber waterstop, and buried self-adhering rubber stops in 13 expressions
Water band, 14, which indicate secondary, pours lining-up, and 15 indicate longitudinal construction joint, and 16 indicate water expandable waterstop, and 17 indicate the anti-row of 2m wide
Water plate+non-woven fabrics, 18 indicate mortar levelling layer (5cm), and 19 indicate draining blind pipe, and 20 indicate non-fine concrete filling, and 21 indicate
Single slope drainage pipe.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
The detailed description of step, it should be understood that described herein specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
Embodiment:
Referring to attached drawing 1 to Fig. 5, the present embodiment provides a kind of railway tunnel self-adhesive waterproof material and its construction method, institutes
Stating railway tunnel self-adhesive waterproof material is self-adhering type drainable waterproofing plate 1, and the inside EDS maps of self-adhering type drainable waterproofing plate 1 are provided with convex
Portion 2 is played, lug boss 2 is circular protrusions structure, and it is highly 10mm that the diameter of lug boss 2, which is 10mm, 2 equidistantly distributed of lug boss
Setting, and the distance between adjacent projections 2 are 10mm, the surface mount of self-adhering type drainable waterproofing plate 1 is fixed with self-adhesive tape.
The problem of for existing construction technology, applicant material property testing, preparation test, type approval test and
On the basis of model investigation, it is combined into the test section construction of honored guest special chael-de-fer mountain tunnel 300m, forms railway tunnel with newly
Novel guarded drainage material installation procedure and the processes such as type self-adhering type drainable waterproofing plate, self-adhering type waterstop, draining blind pipe, form suitable
For the construction technology of the novel guarded drainage material of railway tunnel self-adhering type, on this basis, summary forms this method, Specific construction
Method is as follows:
1. preparation of construction:
1) prepare outside hole: examining self-adhering type drainable waterproofing plate quality, divide middle line with the welding of mark stroke and vault, by every circulation
Design length interception, symmetrical rolled for future use；
2) section measures: Measure section carries out measurement inspection to tunnel clearance, handles individual digging positions of owing, with
Meet Clearance requirement；Measuring vault divides middle line simultaneously；
3) basal plane is handled:
3.1) local leak is directly drained using grouting for water blocking or embedded drainpipe to side, and steel mesh etc. protrudes part, first
With hammer riveting flat wiping mortar element ash after cutting, when having the pipeline of protrusion, smoothed out with mortar；
3.2) it when anchor pole has protruding parts, after 5mm cutting is reserved on the screw crown, is handled with plastic cap；
3.3) preliminary bracing should be without hollowing, crack, crisp pastry, and surface is smooth, and concavo-convex amount must not exceed ± 5cm.
2. tunnel Special geotextile is laid with:
1) geotextile laying is laid with using splash guard Mobile workbench, is first marked at tunnel vault position when being laid with geotextiles vertical
To the midline, and according to basal plane bumps situation surplus capacity is stopped, is preferably laid with from arch to two sides abutment wall；
2) thermoplastic gasket and geotextiles are smoothly fixed on basal plane with nailing, fixed point spacing arch be 0.5m,
Abutment wall 0.8m, is in quincunx arrangement, and basal plane bumps larger part should increase fixed point, keep geotextiles closely connected with basal plane；
3) geotextiles seam lap width is more than or equal to 5cm, circumferential seam is only set, when length is inadequate, if longitudinal seam
And ensure that top (by one of arch) compresses using lower part (by one of bottom) geotextiles, and keep geotextiles close with basal plane
Patch, the geotextiles of laying are smooth, no protuberance, corrugationless.
3. self-adhering type drainable waterproofing plate is laid with:
By self-adhering type drainable waterproofing plate along tunnel circumferential direction spread, two side lengths are about the same, top length in reserve 8m~10m；
Self-adhering type drainable waterproofing plate is held up in paving hanging platform roof quadrangle, notices that joint sealing area reserves overlap edge with a upper width and is aligned；
Self-adhering type drainable waterproofing plate and geotextiles are compressed by the self-adhesive tape on surface and are pasted, bonding while is carried out tight using rubber hammer
Gu.
Concrete operations are as follows:
1) setting-out is carried out before being laid with, pop-up normal line carries out the size of determining one ring of drainable waterproofing plate after examination paving, reduces to the greatest extent
Connector；
2) self-adhering type drainable waterproofing plate is laid with using sequence from below to up, it is elastic should appropriateness and there are surplus, when inspection wants
Guarantee that drainable waterproofing plate entire area can arrive to just branch；
3) lap width of two width self-adhering type drainable waterproofing plates is no less than 150mm；
4) when circumferential laying, lower part drainable waterproofing plate should push down top drainable waterproofing plate；
5) overlapping the slot of self-adhering type drainable waterproofing plate circumferential direction should be climbed using double weld seams, temperature adjustment, the automatic of speed regulation thermal wedge minor function
Line heat-sealing machine sweat soldering, detailed treatment or repairing use hand torch, and effective weld width of single weld seam is no less than
15mm, welding is tight, must not weld burnt burn-through；
6) longitudinal lap joint of self-adhering type drainable waterproofing plate is cleared up viscous using the method for " adhesive sealing+convex hull buckle+welding gun edge sealing "
Paste area；The non-bituminous adhesive polymer tape-stripping that width is 18cm is reserved into drainable waterproofing plate convex hull body concave surface in lining cutting longitudinal lap joint
Side simultaneously ensures the position of single-coated foam lower than overlap joint area edge 1cm；Reserved drainable waterproofing plate buckle will be overlapped to compress, lap width
25cm should be not less than；It is handled using plastic welding gun edge sealing.Welding gun drop temperature should be advisable at 300~330 DEG C, and hot blast temperature is adjusted to
Minimum, according to joint gap size appropriate adjustment speed of welding.
7) overlapping the slot of self-adhering type drainable waterproofing plate is staggered lining construction seam not less than 100cm.
8) self-adhering type drainable waterproofing plate is repaired
The repairing block that width is not less than damaged 2 times of long edge size is cut, non-2cm shorter than repairing block width of width is cut
Pitch adhesive polymer adhesive tape is simultaneously pasted on repairing block convex hull body convex surface side, after being cleaned out region to be repaired with geotextiles
Block buckle will be repaired in breakage, handled using plastic welding gun edge sealing, finally stickup single-coated foam region is blown with air-heater and be used in combination
Rubber hammer fastening.
4. draining blind pipe installation:
1) longitudinal drainage blind pipe applies
Longitudinal drainage blind pipe 4 is laid in along longitudinal direction in the short abutment wall of left and right side inverted arch, is two straight under internal rail top at 30cm
Diameter be 100 double-walled of φ punch bellows, be mounted on the reinforced frame welded, and connecting bend andLateral aqueduct, installation
When ensure water-permeable pipe punching up, finally use 1 anti-package longitudinal drainage blind pipe 4 of geotextiles 5 and self-adhering type drainable waterproofing plate, such as Fig. 3
It is shown.
2) inverted arch short abutment wall position transverse direction aqueduct applies
Short abutment wall position transverse direction aqueduct 6 extends laterally through short abutment wall, and spacing 3m, delivery line is away from lateral sulcus bottom about 20-
30cm is drawn delivery line using two 90 ° of elbows, and centre adds threeway and connects longitudinal drainage blind pipe 4 and lateral aqueduct 6
It connects.
Using hole making drill aperture on self-adhering type drainable waterproofing plate 1, elbow and lateral aqueduct 6 are pierced by self-adhering type guarded drainage
Plate 1, seam crossing is handled using saddle connector, and in seam crossing smearing structure glue encapsulation process.
5. self-adhering type rubber fastening band is installed:
1) self-adhering type waterstop mounting process
Waterstop → fixation waterstop (waterstop is centrally arranged) → is laid to take off isolation film and (remove waterstop and wait for pouring concrete
Side isolation film, other side isolation film retain them temporarily, and avoid self-adhesive contaminated and fail) → connector connection (vertical equity construction
Buried self-adhering rubber sealing belt lacing uses heat cure joint process in seam) → Feng Mo → casting concrete, demoulding.
2) self-adhering type sealing belt lacing is constructed
Self-adhering rubber waterstop uses RLH-I type portable field heat cure junction device, and equipment volume is small, temperature and pressure
The adjustable control of power.
Self-adhering type waterstop heat cure joint process are as follows:
(cleaning end, width be not small for the preheating of heat cure junction device (130~150 DEG C, preheat 15min) → connector processing
In 15cm) → connector heat cure connection (1, connection strap, bind item it is in place；2, junction device is closed；3, it is forced into 10MPa and protects
Press 20min.) → cover glue (covers self-adhesive adhesive tape).Specific steps are as follows:
2.1) it preheats.Portable thermal vulcanized joint device temperature is adjusted to 130 DEG C~150 DEG C, preheats 15min.
2.2) connector is handled.Waterstop joint cutting is neat, it clears up joint surface dust and removes connector 15cm range
Interior self-adhesive.
2.3) connector heat cure connects.3cm wide raw rubber connection strap is put among seam, sealing belt lacing fin is complete
Portion is embedded in joint mold, and closed joint equipment is forced into 10MPa, power supply is closed after 20min, and welding terminates.
2.4) glue is covered.Self-adhesion adhesive tape is covered in self-adhesion water stop band joint.
Technological principle are as follows: splash guard is made into convex hull shape, and is fixed on self-adhesive tape on splash guard with glue in factory, scene
Fixed splash guard directly, which is pasted, using self-adhesive tape and geotextiles achievees the effect that self-adhesion；Reached using the convex hull gap on splash guard
The effect of circumferential face draining.Bellows is punched using 100 novel double-wall of φ, inner wall smooth can effectively prevent leakage in bellows
Water crystallization.
The technology is in April, 2017~2018 year June in line Leshan, newly built railway Chengdu to Kweiyang to Kweiyang iron leg helmet mountain
In constructing tunnel, the guarded drainage construction in DK469+200~DK469+500 sections of the tunnel, newly built railway Chengdu to Kweiyang are completed
Line Leshan to Kweiyang iron leg helmet mountain tunnel is located at Guizhou Province, iron-stone township, Qianxi County, rises up to mileage D4K466+785~DK472+
012, overall length 5227m, this tunnel are pressed passenger train designed driving speed 250km/ hours, the design of Line for Passenger Transportation double track tunnel.This tunnel
Road DK469+200~DK469+500 sections is constructed using self-adhering type waterproof material, ends 2018 6 in April, 2017
Month, two serve as a contrast the 300m that constructed, and the two lining paragraph guarded drainages constructed meet design and code requirement, achieve preferable effect
Fruit, and two lining no one percolating water of paragraph constructed.Construction period has obtained the consistent favorable comment of owner and supervisor.
Economic benefit:
Analyze from the construction time: every circulation (12m) two lining splash guard construction is using " hot melt gasket melts patch method " 6 people of installation
It needs 8 hours or so, 4 people of this engineering method only needs 6 hours or so can be completed, and saves working hour 1 half.
Analyze from materials'use: one of circumferential direction φ 50mm wave need to be arranged in tradition " hot melt gasket melts patch method " every 9m of method construction
Line pipe.This method does not need circumferential blind pipe.Cost concrete analysis is as shown in table 1.
1 prime cost expense comparison sheet of table
Note: table data are calculated by taking the construction of chael-de-fer mountain tunnel exit as an example on 1..
2. or more expense calculate according to this engineering location material price calculate.
Social benefit: novel self formula guarded drainage material construction convenient and quick construction, it is quality controllable reliable, it can be effective
It shortening the construction period, this engineering method is greatly improved to waterproof and Drainage Construction of Tunnel quality, it ensure that waterproof and Drainage Construction of Tunnel quality,
The high evaluation and praise extensively of the units such as owner, management are received in process of construction.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of railway tunnel self-adhesive waterproof material, it is characterised in that: the self-adhesive waterproof material is self-adhering type drainable waterproofing plate
(1), the surface distribution of self-adhering type drainable waterproofing plate (1) is provided with lug boss (2), and the surface mount of self-adhering type drainable waterproofing plate (1)
It is fixed with self-adhesive tape.
2. a kind of railway tunnel self-adhesive waterproof material according to claim 1, it is characterised in that: the lug boss (2) is
The diameter of circular protrusions structure, lug boss (2) is 5-15mm, is highly 5-15mm, the setting of lug boss (2) equidistantly distributed, and
The distance between adjacent projections (2) are 5-15mm.
3. the construction method of railway tunnel self-adhesive waterproof material as claimed in claim 1 or 2, which is characterized in that construction procedure is such as
Under:
1. preparation of construction；
2. tunnel Special geotextile is laid with；
3. self-adhering type drainable waterproofing plate is laid with；
4. draining blind pipe installation；
5. self-adhering type rubber fastening band is installed.
4. construction method according to claim 3, which is characterized in that above-mentioned steps 1. in specific preparation it is as follows:
1) prepare outside hole: examining self-adhering type drainable waterproofing plate quality, divide middle line with the welding of mark stroke and vault, by every cyclic design
Length interception, symmetrical rolled for future use；
2) section measures: Measure section carries out measurement inspection to tunnel clearance, handles individual digging positions of owing, to meet
Clearance requirement；Measuring vault divides middle line simultaneously；
3) basal plane is handled:
3.1) local leak is directly drained using grouting for water blocking or embedded drainpipe to side, and the protrusion such as steel mesh part is initially switched off
Afterwards with hammer riveting flat wiping mortar element ash, when having the pipeline of protrusion, smoothed out with mortar；
3.2) it when anchor pole has protruding parts, after 5mm cutting is reserved on the screw crown, is handled with plastic cap；
3.3) preliminary bracing should be without hollowing, crack, crisp pastry, and surface is smooth, and concavo-convex amount must not exceed ± 5cm.
5. construction method according to claim 3, which is characterized in that the concrete operations of above-mentioned steps 2. are as follows:
1) geotextile laying is laid with using splash guard Mobile workbench, is first marked in longitudinal direction at tunnel vault position when being laid with geotextiles
Line, and surplus capacity is stopped according to basal plane bumps situation, it is laid with from arch to two sides abutment wall；
2) thermoplastic gasket and geotextiles are smoothly fixed on basal plane with nailing, fixed point spacing arch is 0.5m, abutment wall
0.8m, is in quincunx arrangement, and basal plane bumps larger part should increase fixed point, keep geotextiles closely connected with basal plane；
3) geotextiles seam lap width is more than or equal to 5cm, only sets circumferential seam, when length is inadequate, if longitudinal seam and true
It protects top to compress using lower part geotextiles, and keeps geotextiles closely connected with basal plane, the geotextiles of laying are smooth, no protuberance, corrugationless.
6. construction method according to claim 3, which is characterized in that the concrete operations of above-mentioned steps 3. are as follows:
By self-adhering type drainable waterproofing plate along tunnel circumferential direction spread, top length in reserve 8m~10m；It will be certainly in paving hanging platform roof quadrangle
Viscous formula drainable waterproofing plate is held up, and notices that joint sealing area reserves overlap edge with a upper width and is aligned；By self-adhering type drainable waterproofing plate and geotechnique
Cloth is compressed by the self-adhesive tape on surface to be pasted, and bonding while is fastened using rubber hammer.
7. construction method according to claim 3, which is characterized in that the concrete operations of above-mentioned steps 4. are as follows:
1) longitudinal drainage blind pipe applies
Longitudinal drainage blind pipe (4) is laid in along longitudinal direction in the short abutment wall of left and right side inverted arch, is two diameters under internal rail top at 30cm
For 100 double-walled of φ punch bellows, be mounted on the reinforced frame welded, and connecting bend andLateral aqueduct, when installation
Ensure water-permeable pipe punching up, finally uses geotextiles (5) and self-adhering type drainable waterproofing plate (1) anti-package longitudinal drainage blind pipe (4)；
2) inverted arch short abutment wall position transverse direction aqueduct applies
Short abutment wall position transverse direction aqueduct (6) extends laterally through short abutment wall, and spacing 3m, delivery line is away from lateral sulcus bottom about 20-
30cm is drawn delivery line using two 90 ° of elbows, and centre adds threeway for longitudinal drainage blind pipe (4) and lateral aqueduct (6)
Connection；
Using hole making drill aperture on self-adhering type drainable waterproofing plate (1), elbow and lateral aqueduct (6) are pierced by self-adhering type guarded drainage
Plate (1), seam crossing is handled using saddle connector, and in seam crossing smearing structure glue encapsulation process.
8. construction method according to claim 3, which is characterized in that the concrete operations of above-mentioned steps 5. are as follows:
1) self-adhering type waterstop mounting process
It lays waterstop → fixation waterstop → and takes off isolation film → connector connection → Feng Mo → casting concrete, demoulding；
2) self-adhering type sealing belt lacing is constructed
Self-adhering rubber waterstop uses RLH-I type portable field heat cure junction device；
Self-adhering type waterstop heat cure joint process are as follows:
2.1) it preheats, adjusts Portable thermal vulcanized joint device temperature to 130 DEG C~150 DEG C, preheat 15min；
2.2) connector handle, waterstop joint cutting is neat, clear up joint surface dust and remove within the scope of connector 5cm from
Viscose glue；
2.3) connector heat cure connects, and 3cm wide raw rubber connection strap is put among seam, and sealing belt lacing fin is all embedding
Enter in joint mold, closed joint equipment, is forced into 10MPa, power supply is closed after 20min, welding terminates；
2.4) glue is covered, self-adhesion adhesive tape is covered in self-adhesion water stop band joint.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056376A (en) * | 2019-03-12 | 2019-07-26 | 中交一公局桥隧工程有限公司 | Tunnel waterproof plate lapping process |
| CN110486037A (en) * | 2019-08-26 | 2019-11-22 | 中铁二局第一工程有限公司 | A kind of constructing structure that railway tunnel vault prevents two lining vaults from coming to nothing and method |
| CN110617083A (en) * | 2019-10-12 | 2019-12-27 | 重庆建工建筑产业技术研究院有限公司 | Real-time intelligent monitoring and alarming construction method for tunnel lining concrete compactness |
| CN112096426A (en) * | 2020-09-04 | 2020-12-18 | 江苏凯伦建材股份有限公司 | Self-adhesive waterproof and drainage integrated plate for tunnel and application thereof |
| CN112228122A (en) * | 2020-12-02 | 2021-01-15 | 苏州凯伦高分子新材料科技有限公司 | Drainage-prevention combined self-adhesive waterproof board for mine-method underground excavation tunnel and construction method thereof |
| CN112360519A (en) * | 2020-10-28 | 2021-02-12 | 中铁隧道局集团有限公司 | Geotextile positioning method for positioning geotextile and improving tunnel waterproof plate laying quality |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949469Y (en) * | 2006-06-02 | 2007-09-19 | 郑远黎 | Self-adhering partition water-proof plates |
| CN101260809A (en) * | 2008-04-18 | 2008-09-10 | 中铁一局集团有限公司 | Back surface stuck AB fastener self-adhering -type water-proof board construction process |
| CN104018857A (en) * | 2014-03-26 | 2014-09-03 | 福州市规划设计研究院 | Splicing paving method of waterproof plates in tunnel and splicing paving structure of waterproof plates in tunnel |
| JP2014163090A (en) * | 2013-02-25 | 2014-09-08 | Kfc Ltd | Tunnel structure and construction method thereof |
| CN105840215A (en) * | 2016-04-12 | 2016-08-10 | 四川皓德斯新材料科技有限公司 | Tunnel waterproof board bonding and laying process |
| CN205578014U (en) * | 2016-04-16 | 2016-09-14 | 衡水中铁建工程橡胶有限责任公司 | Plastics waterproof board with prevent scurrying water function |
| CN106168136A (en) * | 2016-08-15 | 2016-11-30 | 中国铁道科学研究院铁道建筑研究所 | Self-adhesive waterproof plate, draining board, drainable waterproofing plate |
| CN107060879A (en) * | 2017-04-18 | 2017-08-18 | 衡水旗舰桥隧橡塑有限公司 | A kind of easily paving hung type drain bar and its installation method |
| CN107327308A (en) * | 2017-07-13 | 2017-11-07 | 高军 | A kind of Railway Tunnel waterproof method |
| CN107476352A (en) * | 2017-09-07 | 2017-12-15 | 中建五局第三建设有限公司 | Connecting method of steel-edged rubber water stop |
| CN107498877A (en) * | 2017-08-14 | 2017-12-22 | 合肥卓立雅工程材料科技有限公司 | A kind of rubber water-proof belt lacing sweat soldering method |
| CN207161122U (en) * | 2017-09-08 | 2018-03-30 | 中国铁道科学研究院铁道建筑研究所 | Tunnel waterproof and water drainage system |
| CN108286447A (en) * | 2018-01-19 | 2018-07-17 | 中国铁道科学研究院铁道建筑研究所 | A kind of self-adhesive pad formula waterproof roll paving hanging method |
-
2018
- 2018-10-29 CN CN201811269871.8A patent/CN109441491A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949469Y (en) * | 2006-06-02 | 2007-09-19 | 郑远黎 | Self-adhering partition water-proof plates |
| CN101260809A (en) * | 2008-04-18 | 2008-09-10 | 中铁一局集团有限公司 | Back surface stuck AB fastener self-adhering -type water-proof board construction process |
| JP2014163090A (en) * | 2013-02-25 | 2014-09-08 | Kfc Ltd | Tunnel structure and construction method thereof |
| CN104018857A (en) * | 2014-03-26 | 2014-09-03 | 福州市规划设计研究院 | Splicing paving method of waterproof plates in tunnel and splicing paving structure of waterproof plates in tunnel |
| CN105840215A (en) * | 2016-04-12 | 2016-08-10 | 四川皓德斯新材料科技有限公司 | Tunnel waterproof board bonding and laying process |
| CN205578014U (en) * | 2016-04-16 | 2016-09-14 | 衡水中铁建工程橡胶有限责任公司 | Plastics waterproof board with prevent scurrying water function |
| CN106168136A (en) * | 2016-08-15 | 2016-11-30 | 中国铁道科学研究院铁道建筑研究所 | Self-adhesive waterproof plate, draining board, drainable waterproofing plate |
| CN107060879A (en) * | 2017-04-18 | 2017-08-18 | 衡水旗舰桥隧橡塑有限公司 | A kind of easily paving hung type drain bar and its installation method |
| CN107327308A (en) * | 2017-07-13 | 2017-11-07 | 高军 | A kind of Railway Tunnel waterproof method |
| CN107498877A (en) * | 2017-08-14 | 2017-12-22 | 合肥卓立雅工程材料科技有限公司 | A kind of rubber water-proof belt lacing sweat soldering method |
| CN107476352A (en) * | 2017-09-07 | 2017-12-15 | 中建五局第三建设有限公司 | Connecting method of steel-edged rubber water stop |
| CN207161122U (en) * | 2017-09-08 | 2018-03-30 | 中国铁道科学研究院铁道建筑研究所 | Tunnel waterproof and water drainage system |
| CN108286447A (en) * | 2018-01-19 | 2018-07-17 | 中国铁道科学研究院铁道建筑研究所 | A kind of self-adhesive pad formula waterproof roll paving hanging method |
Non-Patent Citations (1)
| Title |
|---|
| 郑西铁路客运专线有限责任公司: "《郑西高速铁路工程总结》", 31 December 2011 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056376A (en) * | 2019-03-12 | 2019-07-26 | 中交一公局桥隧工程有限公司 | Tunnel waterproof plate lapping process |
| CN110486037A (en) * | 2019-08-26 | 2019-11-22 | 中铁二局第一工程有限公司 | A kind of constructing structure that railway tunnel vault prevents two lining vaults from coming to nothing and method |
| CN110486037B (en) * | 2019-08-26 | 2024-04-05 | 中铁二局第一工程有限公司 | Construction structure and method for preventing double-lining vault from being hollow for railway tunnel vault |
| CN110617083A (en) * | 2019-10-12 | 2019-12-27 | 重庆建工建筑产业技术研究院有限公司 | Real-time intelligent monitoring and alarming construction method for tunnel lining concrete compactness |
| CN112096426A (en) * | 2020-09-04 | 2020-12-18 | 江苏凯伦建材股份有限公司 | Self-adhesive waterproof and drainage integrated plate for tunnel and application thereof |
| CN112096426B (en) * | 2020-09-04 | 2024-05-17 | 江苏凯伦建材股份有限公司 | Self-adhesive drainage-preventing integrated plate for tunnel and application thereof |
| CN112360519A (en) * | 2020-10-28 | 2021-02-12 | 中铁隧道局集团有限公司 | Geotextile positioning method for positioning geotextile and improving tunnel waterproof plate laying quality |
| CN112360519B (en) * | 2020-10-28 | 2023-02-17 | 中铁隧道局集团有限公司 | Geotextile positioning method for positioning geotextile and improving tunnel waterproof plate laying quality |
| CN112228122A (en) * | 2020-12-02 | 2021-01-15 | 苏州凯伦高分子新材料科技有限公司 | Drainage-prevention combined self-adhesive waterproof board for mine-method underground excavation tunnel and construction method thereof |
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