CN106996300B - A kind of anchor bar of waterproof plate in tunnels laying method - Google Patents
A kind of anchor bar of waterproof plate in tunnels laying method Download PDFInfo
- Publication number
- CN106996300B CN106996300B CN201710256979.2A CN201710256979A CN106996300B CN 106996300 B CN106996300 B CN 106996300B CN 201710256979 A CN201710256979 A CN 201710256979A CN 106996300 B CN106996300 B CN 106996300B
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- Prior art keywords
- splash guard
- strip tape
- strip
- tunnel
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004568 cement Substances 0.000 claims abstract description 26
- 239000004746 geotextile Substances 0.000 claims abstract description 16
- 238000005476 soldering Methods 0.000 claims abstract description 12
- 210000004243 sweat Anatomy 0.000 claims abstract description 12
- 239000012943 hotmelt Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004078 waterproofing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003825 pressing Methods 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
- E21D11/381—Setting apparatus or devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- 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
A kind of anchor bar of waterproof plate in tunnels laying method, comprising: strip tape (1) is arranged on splash guard (2) by step 1 in blossom type, and by strip tape (1) one end sweat soldering on splash guard (2), the other end is as free end；Geotextiles (6) are followed closely supporting in the early stage (7) surface by cement nail (5) as press strip by splash guard band (3) by step 2, and two cement nails (5) are one group；Step 3, it is laid with splash guard (2), keep strip tape (1) and every group of cement nail (5) corresponding one by one, and make strip tape (1) between every group of two cement nails (5), one by one by splash guard band (3) of strip tape (1) free end between every group of two cement nails (5) and gap geotextiles (6), by strip tape (1) free end sweat soldering on splash guard (2).It comes to nothing after secondary back caused by solving the problems, such as because of splash guard (2) not prison welding, improves splash guard (2) laying quality.
Description
Technical field
The present invention relates to a kind of waterproof slab pavement method, more specifically to a kind of laying method of anchor bar of waterproof plate in tunnels,
Belong to civil engineering technical field of tunnel construction.
Background technique
The laying of anchor bar of waterproof plate in tunnels is before Second Lining Construction, and branch mask upper berth sets one layer of non-woven geotextile in the early stage,
Re-lay one layer of splash guard；With non-woven geotextile by climbing together with welder, splash guard detects splash guard after the completion of being laid with
Its air-tightness, determine without it is damaged, without can just start Second Lining Construction after permeable.
Traditional waterproof slab pavement method is by heating the hot melt gasket of splash guard and fixed non-woven geotextile
It welds, to which splash guard is laid on geotextiles outer layer；This sweat soldering process uses industrial hot hair dryer.But this
There are following deficiencies for kind method: one, easy to fall off: splash guard requires to be laid with from tunnel top to two sides abutment wall, and prevents
Water plate itself is heavier, and being laid with part before when the sweat soldering intensity of blowing hot wind is not enough to bear splash guard weight will take off
It falls, vault part is be easy to cause to come to nothing；Two, easily scald broken: hot hair dryer is not easily controlled hot melting temperature and sphere of action, hot melt pad
Piece thus fusing point different from splash guard material is different, easily that hot melt gasket is boiling hot broken with outer portion splash guard in operating process, prevents
Water plate broken hole is more to will seriously affect waterproof effect.
Summary of the invention
It is an object of the invention to be laid with for existing anchor bar of waterproof plate in tunnels, technique not prison welding is easy to fall off, easily scalds broken formed
The deficiencies of broken hole, proposes a kind of anchor bar of waterproof plate in tunnels laying method.
To achieve the above object, the technical solution of the invention is as follows: a kind of anchor bar of waterproof plate in tunnels laying method, including following
Step:
Step 1 cuts out the strip tape of design requirement hot melt gasket quantity, hot melt gasket is substituted with strip tape, over-the-counter
First strip tape is arranged on splash guard to be laid according to design requirement hot melt gasket spacing in blossom type, makes strip tape short side
It lays along tunnel profile, long edge tunnel cross section direction, prevents the sweat soldering of strip tape one end in be laid outside the venue
On water plate, the other end is as free end；
Step 2 cuts out the splash guard band isometric with a plate secondary lining longitudinal length, splash guard bandwidth with splash guard
Degree is of same size with strip tape, and splash guard band quantity is equal with strip tape longitudinal direction columns, by splash guard band along tunnel profile side
Geotextiles are followed closely by supporting surface in the early stage by cement nail to as press strip, two cement nails are one group, every group of two cement
Spacing is greater than strip bandwidth between nail, and every group of cement nail installation position is corresponding with strip tape position on splash guard to be laid；
The splash guard that strip tape is welded is transported on tunnel inner waterproofing pallet vehicle, from tunnel vault to tunnel by step 3
Abutment wall starts to be laid with splash guard, two water for keeping strip tape and every group of cement nail corresponding one by one, and strip tape being made to be located at every group
Between mud nail, one by one by splash guard band of the strip tape free end between every group of two cement nails and gap geotextiles, then
By the sweat soldering of strip tape free end on splash guard；
Step 4, after whole strip tapes free end is welded on splash guard by method in step 3 on splash guard, i.e.,
Complete splash guard laying.
The strip tape is having a size of 15cm*3cm.
The design spacing of strip tape is 60cm on the splash guard of tunnel vault part in the step 1, is located at tunnel
The design spacing of strip tape is 80cm on the splash guard of side wall portions.
Compared with prior art, the beneficial effects of the present invention are:
1, splash guard band is used as " press strip " in the present invention, and conventional waterproof plate is replaced to heat gasket, is utilized by cement nail anti-
It is mass action that geotextiles are followed closely supporting surface, splash guard band in the early stage by water strip, and the single-point compared to hot melt gasket acts on fixation
Effect is more preferable.
2, proposed by the present invention is welding requirements between water-proof sheet material, and the weld strength of identical storeroom is much higher than tradition
Splash guard and hot melt gasket weld strength, effectively reduce splash guard two lining work progress in there is the general of local shedding
Rate substantially increases work efficiency.
3, the sweat soldering technique of splash guard and splash guard requires welding temperature low, and weld interval is short, to waterproof around
The influence of plate is small, can be effectively controlled damaged generation, greatly improves splash guard laying quality.
4, strip tape and splash guard band can use the remaining leftover pieces production of splash guard, save a large amount of hot melt gaskets,
There is preferable economic benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that splash guard is welded with strip tape in the present invention.
Fig. 2 be in the present invention splash guard band in Tunnel surface layout position illustration.
Fig. 3 be in the present invention two lining splash guards be laid with after the completion of the schematic diagram of the section structure.
In figure, strip tape 1, splash guard 2, splash guard band 3, tunnel 4, cement nail 5, geotextiles 6, preliminary bracing 7.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Fig. 3, a kind of anchor bar of waterproof plate in tunnels laying method is related to tunnel water proofing construction technology, including following step
It is rapid:
Step 1 cuts out the strip tape 1 of design requirement hot melt gasket quantity, substitutes hot melt gasket with strip tape 1.It is on the scene
It is outer to be first arranged in strip tape 1 on splash guard 2 to be laid in blossom type according to design requirement hot melt gasket spacing, due to waterproof
Plate 2 is that circumferential direction is spread out in tunnel 4, lays 1 short side of strip tape along 4 vertical section of tunnel, long 4 cross-sectional direction of edge tunnel；
Then outside the venue using 1 one end of strip tape using hot hair dryer sweat soldering on splash guard 2 to be laid, the other end as freely
End.Because the sweat soldering intensity of identical storeroom is higher, splash guard 2 and strip tape 1 belong to identical material, to keep welding more firm
Gu；The surplus splash guard of tailing or entire volume can be used in strip tape 1, increases economic efficiency.Herein in blossom type arrange,
Strip tape 1 i.e. on two splash guard bands 3 of arbitrary neighborhood is staggered front to back arrangement, and is staggered front to back and is equidistant.Design herein
It is required that hot melt gasket spacing, under normal circumstances, the design spacing of strip tape 1 is on the splash guard 2 of tunnel vault part
60cm~80cm, the design spacing of strip tape 1 is 80cm~100cm on the splash guard 2 of tunnel side wall part；Because of strip
Band 1 is arranged in blossom type, so spacing herein refers to the linear distance between two strip tapes 1, it had both been tunnel profile
The distance between two neighboring strip tape 1 in direction, and the spacing between the two neighboring strip tape 1 in tunnel cross section direction.
Step 2 cuts out the splash guard band 3 isometric with a plate secondary lining longitudinal length, splash guard band 3 with splash guard 2
Width and strip tape 1 are of same size, and 3 quantity of splash guard band is equal with the longitudinal columns of strip tape 1；Splash guard band 3 is indulged along tunnel 4
Geotextiles 6 are followed closely by 7 surface of supporting in the early stage by cement nail 5 as press strip in section direction.Two cement nails 5 are one group, every group
Two cement nails 5 between spacing be greater than 1 width of strip tape, strip on every group of 5 installation position of cement nail and splash guard 2 to be laid
1 position of band is corresponding；1 width of strip tape herein is the length of 1 short side of strip tape.Phase is acted on existing hot melt gasket single-point
Than mass action effect can be played as press strip by splash guard band 3, and fixed effect is more preferably.
The splash guard 2 that strip tape 1 is welded is transported on 4 inner waterproofing pallet vehicle of tunnel, according to first tunnel vault by step 3
The sequence of tunnel side wall afterwards is laid with splash guard 2, makes strip tape 1 and every group of cement nail 5 one since tunnel vault to tunnel side wall
One is corresponding, and makes strip tape 1 between every group of two cement nails 5.1 free end of strip tape is passed through into every group of two water again
Gap between splash guard band 3 and geotextiles 6 between mud nail 5, strip tape 1 across splash guard band 3 and geotextiles 6 behind gap,
With the cross-shaped state of splash guard band 3, using hot hair dryer again by 1 free end sweat soldering of strip tape on splash guard 2.Strip tape
1 and splash guard 2 are identical material, weld strength between the two much higher than splash guard 2 in the prior art and hot melt gasket it
Between weld strength；And bonding area is small, weld interval is short, so that small to the damage of splash guard 2 around.And in process of deployment
Worker can strip tape 1 to be welded on splash guard 2 as impetus, simplify using the cumbersome of 2 stake tools of splash guard
Operation；All operations simultaneously can carry out at 2 back side of splash guard, i.e., complete in the region between splash guard 2 and geotextiles 6,
It is convenient to operate.
Step 4, after 1 free end of whole strip tapes is welded on splash guard 2 by method in step 3 on splash guard 2,
Complete the laying of splash guard 2.
Specifically, the strip tape 1 is having a size of 15cm*3cm, i.e. the length of strip tape 1 is 15cm, width 3cm.
Specifically, accurate according to actual tunnel sectional dimension, reasonable Arrangement splash guard 2 to be laid vault and abutment wall portion
Point, preferably make the design spacing 60cm of strip tape 1 on the splash guard 2 for being located at tunnel vault part in the step 1, be located at
The design spacing of strip tape 1 is 80cm on the splash guard 2 of tunnel side wall part.Under normal conditions, in order to which practical operation is convenient, system
The one design spacing for pressing strip tape 1 is 60cm arrangement.
This waterproof slab pavement method is easy to operate, caused by can solve because of 2 not prison welding of splash guard after secondary back
It comes to nothing problem；And welding operation is small to the damage of splash guard 2, can be effectively controlled damaged generation, greatly improves the laying of splash guard 2
Quality.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, and above structure all shall be regarded as belonging to
Protection scope of the present invention.
Claims (3)
1. a kind of anchor bar of waterproof plate in tunnels laying method, which comprises the following steps:
Step 1 is cut out a certain number of strip tapes (1), the hot melt gasket number of strip tape (1) quantity and design requirement
Amount is consistent, substitutes hot melt gasket with strip tape (1), first strip tape (1) is arranged on splash guard to be laid (2) outside the venue,
The strip tape (1) is arranged according to the hot melt gasket spacing of design requirement in blossom type, makes strip tape (1) short side along tunnel (4)
Vertical section, long edge tunnel (4) cross-sectional direction are laid, and prevent strip tape (1) one end sweat soldering in be laid outside the venue
On water plate (2), the other end is as free end；
Step 2 cuts out the splash guard band (3) isometric with a plate secondary lining longitudinal length, splash guard band with splash guard (2)
(3) width and strip tape (1) are of same size, and splash guard band (3) quantity is equal with the longitudinal columns of strip tape (1), by splash guard band
(3) along tunnel (4) vertical section direction as press strip by cement nail (5) by geotextiles (6) follow closely supporting in the early stage (7) surface, two
A cement nail (5) is one group, and spacing is greater than strip tape (1) width, every group of cement nail (5) between every group of two cement nails (5)
Installation position is corresponding with strip tape (1) position on splash guard to be laid (2)；
The splash guard (2) that strip tape (1) is welded is transported on tunnel (4) inner waterproofing pallet vehicle by step 3, from tunnel vault to
Tunnel side wall starts to be laid with splash guard (2), keeps strip tape (1) and every group of cement nail (5) corresponding one by one, and make strip tape (1)
It is one by one that strip tape (1) free end is anti-between every group of two cement nails (5) between every group of two cement nails (5)
Gap between water strip (3) and geotextiles (6), then by strip tape (1) free end sweat soldering on splash guard (2)；
Step 4 is welded on splash guard (2) by method in step 3 to strip tape (1) free ends whole on splash guard (2)
Afterwards, that is, splash guard (2) laying is completed.
2. a kind of anchor bar of waterproof plate in tunnels laying method according to claim 1, it is characterised in that: described strip tape (1) ruler
Very little is 15cm*3cm.
3. a kind of anchor bar of waterproof plate in tunnels laying method according to claim 1, it is characterised in that: be located at tunnel in the step 1
The design spacing of strip tape (1) is 60cm, the splash guard (2) positioned at tunnel side wall part on the splash guard (2) of road vault part
The design spacing of upper strip tape (1) is 80cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256979.2A CN106996300B (en) | 2017-04-19 | 2017-04-19 | A kind of anchor bar of waterproof plate in tunnels laying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256979.2A CN106996300B (en) | 2017-04-19 | 2017-04-19 | A kind of anchor bar of waterproof plate in tunnels laying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106996300A CN106996300A (en) | 2017-08-01 |
| CN106996300B true CN106996300B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710256979.2A Active CN106996300B (en) | 2017-04-19 | 2017-04-19 | A kind of anchor bar of waterproof plate in tunnels laying method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108561163A (en) * | 2018-05-29 | 2018-09-21 | 陈禹彤 | A kind of water-proof sheet material and its construction method |
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|---|---|---|---|---|
| JP2002285793A (en) * | 2001-03-26 | 2002-10-03 | Taisei Corp | Water-proof sheet for tunnel and its laying method |
| CN202431281U (en) * | 2011-12-13 | 2012-09-12 | 中铁十八局集团第三工程有限公司 | Waterproof structure outside side wall of subway station main body |
| CN202659252U (en) * | 2012-05-31 | 2013-01-09 | 中铁十局集团西北工程有限公司 | Tunnel water proofing system |
| CN202731941U (en) * | 2012-08-15 | 2013-02-13 | 中铁十九局集团第二工程有限公司 | Waterproof device for tunnel construction |
| CN202937276U (en) * | 2012-12-14 | 2013-05-15 | 中铁二十三局集团有限公司 | Waterproof structure for tunnel |
| CN103790601A (en) * | 2014-03-08 | 2014-05-14 | 福州市规划设计研究院 | Structure and method for multipoint suspending laying construction of tunnel waterproof board |
| CN103912291A (en) * | 2014-01-15 | 2014-07-09 | 邓卫东 | Sucker device for waterproof board construction and tunnel waterproof board construction method |
| JP2015505919A (en) * | 2012-11-05 | 2015-02-26 | デフン インダストリー カンパニー、リミテッド | Tunnel tarpaulin |
| CN104453953A (en) * | 2014-11-04 | 2015-03-25 | 中铁隧道集团有限公司 | Simple fixing method for nail-free laying of waterproof board of tunnel |
| CN105422142A (en) * | 2015-12-12 | 2016-03-23 | 中铁十九局集团第二工程有限公司 | Construction method for high and cold region tunnel hole body water resistance |
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2017
- 2017-04-19 CN CN201710256979.2A patent/CN106996300B/en active Active
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| CN202431281U (en) * | 2011-12-13 | 2012-09-12 | 中铁十八局集团第三工程有限公司 | Waterproof structure outside side wall of subway station main body |
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| CN104453953A (en) * | 2014-11-04 | 2015-03-25 | 中铁隧道集团有限公司 | Simple fixing method for nail-free laying of waterproof board of tunnel |
| CN105422142A (en) * | 2015-12-12 | 2016-03-23 | 中铁十九局集团第二工程有限公司 | Construction method for high and cold region tunnel hole body water resistance |
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