CN107575245A - A kind of laying method of anchor bar of waterproof plate in tunnels - Google Patents
A kind of laying method of anchor bar of waterproof plate in tunnels Download PDFInfo
- Publication number
- CN107575245A CN107575245A CN201710720123.6A CN201710720123A CN107575245A CN 107575245 A CN107575245 A CN 107575245A CN 201710720123 A CN201710720123 A CN 201710720123A CN 107575245 A CN107575245 A CN 107575245A
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- Prior art keywords
- splash guard
- laying
- anchor bar
- adhesive
- waterproof plate
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Abstract
The present invention relates to a kind of laying process of anchor bar of waterproof plate in tunnels, comprise the following steps：Step 1: the basal plane of processing preliminary bracing；Step 2: laying geotextiles；Step 3: laying and fixed splash guard, carry out splash guard laying, tap the position of capsule pad across splash guard using rubber hammer simultaneously, adhesive is released after capsules break, the pressing of a length of 5 seconds when carrying out afterwards, to ensure that adhesive forms gluing layer, then repeat step three continues the fixation of next splash guard；Step 4: being welded the plate width of splash guard；Step 5: check the sealing situation of waterproof sheet separation and carry out Local treatment；Step 6: cast secondary lining layer.Beneficial effects of the present invention are, no longer need hot-melt welding machine in the hanging of splash guard；The breadth of splash guard can be greatly improved；The connection between the plate width of splash guard can be then reduced in tunnel.
Description
Technical field
The invention belongs to technical field of tunnel construction, and in particular to a kind of laying method of anchor bar of waterproof plate in tunnels.
Background technology
At present, all it is to fix splash guard using hot melting plastic pad, first hot melt plastic when hanging splash guard in constructing tunnel
Backing strap piece is fixed in the preliminary bracing of tunnel wall using rivet, manually using hot-melt welding machine by the scorification of plastic spacer surface, so
Afterwards rapidly by splash guard by fixation is cohered on the pad melted in surface burning, make to prevent using the cohesive force between pad and splash guard
Water plate can be laid along tunnel perimeter.
For example, the Chinese invention application of Application No. 201410640345.3, discloses a kind of construction of anchor bar of waterproof plate in tunnels
Method, it is to be mutually lapped the same anchor bar of waterproof plate in tunnels of two panels, and lap width is 10-15cm, adjust anchor bar of waterproof plate in tunnels with
The position and direction of hot-air welding machine, first open blower fan, according to the thickness of anchor bar of waterproof plate in tunnels, select temperature, the speed of walking,
Preheated, then pressing operation bar, crawl welding, after fusion weld, soldered width is 3cm × 3cm, two soldereds
Between leave 1cm-3cm air flue, as checking that seepage uses.
In another example the Chinese invention of Application No. 201280002446.7, discloses a kind of tunnel splash guard, it is invented
Purpose is, in order to, enable the discharge water from the discharge of the cutting face in tunnel suitable with simple structure to greatest extent simultaneously
Sharp draining, for the splash guard used in constructing tunnel, splash guard includes：1st splash guard, it is fluid-tight soft PE
Material；Fixed tab, one end is above the 1st splash guard along the front and rear direction welding shape more than one or at least one
Into；Also include jog above the 1st splash guard of fixed tab in welding, be integrally formed oriented front, rear, left and right and connect
The continuous multiple projections for protruding formation repeatedly, to make the guncreting face in tunnel keep predetermined distance with the 1st splash guard, make from
The discharge water for digging face discharge in tunnel carries out draining.
Above-mentioned the prior art is defective is, the method bonded using scorification is formed crator and injured easily on splash guard
Splash guard, form leaking hole that is subtle and checking；Melt the plastic spacer being fixed on tunnel wall in order to burn and be advantageous to
Rapid press closes splash guard, and hand-held hot-melting welding machine must be raised between splash guard and pad and carry out operation by worker, and another hand
The preparation of carrying out pressing must be protected on the outside of splash guard again, and mutual interference is very big, the serious breadth for limiting splash guard.
The content of the invention
In order to overcome the shortcomings of the prior art, the invention provides a kind of laying method of anchor bar of waterproof plate in tunnels.
The technical scheme of the present invention solved the problems, such as comprises the following steps：
Step 1: the basal plane of processing preliminary bracing
The exposed anchor pole head of the basal plane of preliminary bracing, the neat root of reinforcing bar net head are cut off, and it is floating with cement mortar, for
Jog existing for preliminary bracing surface, according to the size of levelling scope choose fill spray concrete, smear mortar, local hanging plate mould build it is mixed
The method for coagulating soil is levelling, prevents during concrete perfusion because the local bumps of splash guard are pulled open；
Step 2: laying geotextiles
Geotextiles are laid on the basal plane of supporting in the early stage, using cement nailing and iron gasket by capsule pad by geotextiles
Smooth-going, closely connected the capsule for being fixed on the basal plane of preliminary bracing, filling adhesive being provided with capsule pad；
Step 3: laying and fixed splash guard
Splash guard laying is carried out, while taps the position of capsule pad across splash guard using rubber hammer, after capsules break
Adhesive is released, the pressing of a length of 5 seconds when carrying out afterwards, to ensure that adhesive forms gluing layer, produces cohesion, Ran Houchong
Multiple step 3 continues the fixation of next splash guard；
Step 4: being welded the plate width of splash guard
On the basis of step 3, welding machine is climbed to being welded the plate width of splash guard using automatic double slit splash guard, it is single
Effective weld width of bar weld seam is not less than 10mm, and splash guard lap width is 100mm, and weld seam is double weld seams, and centre outflow is empty
Chamber checks use to inflate, and inflating the method for inspection is：Connected with No. 5 injection needles with pressure gauge, being filled double weld seams in cavity
Gas, when the blowing pressure reaches 0.15~0.2Mpa between double weld seams, stopping is inflated, and is kept for 1~5 minute, maintains pressure as qualified；
Step 5: check simultaneously Local treatment
On the basis of step 4, welding the plate width of splash guard is checked, using the detection liquid with colloidality
Gas leak position is found out, if it find that there is the position for overflowing bubble, is detected again after melting weldering device repairing with heat, until no longer overflowing gas
Untill bubble；
Step 6: cast secondary lining layer
Secondary lining layer is poured, is comprised the following steps that：
Step 6.1, processing and installation reinforcing bar；
Step 6.2, assembled formwork chassis, debug formwork jumbo, adjustment formwork jumbo to specified location, installation form；
Step 6.3, casting concrete, and wait concrete setting；
Step 6.4, form removal；
Step 6.5, curing concrete lining cutting layer, concrete surface is sprayed using water under high pressure.
Further, in step 2, it can also use setscrew that capsule pad and geotextiles are fixed on into tunnel and just prop up
On.
Further, the geotextiles in step 2 are non-woven geotextile.
Further, the adhesive in step 2 is a kind of Oxidation polymerization type adhesive, and adhesive is by weight percentage
Meter, acrylate copolymer 30~34%, water 34~38%, titanium dioxide 0.1~1%, silica 0.5~2%, silicon powder 8~
10%th, micaceous iron oxide 12~16% and butylamino formic acid iodopropynyl ester 4~8%；Acrylate copolymer is with acrylic acid
Emulsion is main component, including cuprous oxide and organic biological active material, the water-based rustproof lacquer of mixed solvent；Silicon powder is
" ball-type " silicon powder.
Further, the capsule pad in step 3 uses plastic capsule pad.
Further, the splash guard in step 3 is EVA splash guards.
Further, the detection liquid in step 5 is using suds, washing powder water.
The laying method of anchor bar of waterproof plate in tunnels of the present invention has the beneficial effect that：
1. no longer need hot-melt welding machine in the hanging of splash guard, electric shock in this process, disaster hidden-trouble are eliminated, significantly
Reduce the labor intensity of worker；
2. in the method, worker no longer needs to reach hand into the scorification operation of splash guard rear progress pad, thus, waterproof
The breadth of plate is no longer so limited, and can greatly improve the breadth of splash guard；
3rd, after the breadth of splash guard improves, the connection amount between the plate width of splash guard can be then reduced in tunnel, reduces work
Measure and reduce the leakage hidden trouble that may be brought between the plate width of splash guard.
Brief description of the drawings
Fig. 1 is the fixed schematic diagram of splash guard laying of the laying method of anchor bar of waterproof plate in tunnels of the present invention.
Fig. 2 is the capsule pad diagrammatic cross-section of the laying method of anchor bar of waterproof plate in tunnels of the present invention.
In figure：1- capsule pads, 2- capsules, 3- splash guards, 4- geotextiles, 5- cement nailings, 6- iron gaskets, 7- branch at initial stage
Shield, 8- gluing layers.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, the invention provides a kind of laying method of anchor bar of waterproof plate in tunnels, comprise the following steps：
Step 1: the basal plane of processing preliminary bracing 7
The exposed anchor pole head of the basal plane of preliminary bracing 7, the neat root of reinforcing bar net head are cut off, and it is floating with cement mortar, it is right
In jog existing for preliminary bracing surface, according to the size of levelling scope choose the concrete that fills spray, smear mortar, local hanging plate mould is built
The method of concrete is levelling, prevents during concrete perfusion because the local bumps of splash guard are pulled open；
Step 2: laying geotextiles 4
Geotextiles 4 are laid on the basal plane of supporting in the early stage 7, will by capsule pad 1 using cement nailing 5 and iron gasket 6
Geotextiles 4 smooth out, it is closely connected be fixed on the basal plane of preliminary bracing 7, the capsule 2 of filling adhesive is provided with capsule pad 1；
Step 3: laying and fixed splash guard 3
Carry out splash guard 3 to lay, while tap the position of capsule pad 1 across splash guard using rubber hammer, capsule 1 ruptures
After release adhesive, the pressing of a length of 5 seconds when carrying out afterwards, to ensure that adhesive forms gluing layer 8, produce cohesion, so
Repeat step three continues the fixation of next splash guard 3 afterwards；
Step 4: being welded the plate width of splash guard 3
On the basis of step 3, welding machine is climbed to being welded the plate width of splash guard 3 using automatic double slit splash guard, it is single
Effective weld width of bar weld seam is no less than 10mm, and the lap width of splash guard 3 is 100mm, and weld seam is double weld seams, and centre reserves
Cavity checks use to inflate, and inflating the method for inspection is：Connected with No. 5 injection needles with pressure gauge, double weld seams in cavity
Inflation, when the blowing pressure reaches 0.15~0.2Mpa between double weld seams, stopping inflation, holding 1~5 minute, it is conjunction to maintain pressure
Lattice；
Step 5: check the sealing situation in the gap of splash guard 3 and carry out Local treatment
On the basis of step 4, welding the plate width of splash guard 3 is checked, using the detection liquid with colloidality
Gas leak position is found out, if it find that there is the position for overflowing bubble, is detected again after melting weldering device repairing with heat, until no longer overflowing gas
Untill bubble；
Step 6: cast secondary lining layer
Secondary lining layer is poured, is comprised the following steps that：
Step 6.1, processing and installation reinforcing bar
Step 6.2, assembled formwork chassis, debug formwork jumbo, adjustment formwork jumbo to specified location, installation form
Step 6.3, casting concrete, and wait concrete setting
Step 6.4, form removal
Step 6.5, curing concrete lining cutting layer, concrete surface is sprayed using water under high pressure.
Further, in step 2, capsule pad 1 and geotextiles 4 can also be fixed in the early stage using setscrew
On the basal plane of supporting 7.
Further, the geotextiles 4 in step 2 are non-woven geotextile.
Further, in step 2, adhesive 8 is a kind of Oxidation polymerization type adhesive, and adhesive is by weight percentage
Meter, acrylate copolymer 30~34%, water 34~38%, titanium dioxide 0.1~1%, silica 0.5~2%, silicon powder 8~
10%th, micaceous iron oxide 12~16% and butylamino formic acid iodopropynyl ester 4~8%；Acrylate copolymer is with acrylic acid
Emulsion is main component, including cuprous oxide and organic biological active material, the water-based rustproof lacquer of mixed solvent；Silicon powder is
" ball-type " silicon powder.
Further, the capsule pad 1 in step 2 uses plastic capsule pad.
Further, the splash guard 3 in step 3 is EVA splash guards.
Further, the detection liquid in step 5 is using suds, washing powder water.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present invention, art technology
This technological principle used in any deformation, improvement, replacement including automation equipment that personnel are contemplated that each falls within the present invention
Protection domain.
Claims (7)
1. a kind of laying method of anchor bar of waterproof plate in tunnels, it is characterised in that comprise the following steps：
Step 1: the basal plane of processing preliminary bracing
The exposed anchor pole head of the basal plane of preliminary bracing, the neat root of reinforcing bar net head are cut off, and it is floating with cement mortar, for initial stage
Jog existing for supporting surface, the concrete that fills spray is chosen according to the size of levelling scope, smears mortar, local hanging plate form concrete
Method it is levelling, prevent from being pulled open because splash guard is local concavo-convex during concrete perfusion；
Step 2: laying geotextiles
Geotextiles are laid on the basal plane of supporting in the early stage, are equalled geotextiles by capsule pad using cement nailing and iron gasket
It is fixed on suitable, closely connectedly on the basal plane of preliminary bracing, the capsule of filling adhesive is provided with capsule pad；
Step 3: laying and fixed splash guard
Splash guard laying is carried out, while taps the position of capsule pad across splash guard using rubber hammer, is released after capsules break
Adhesive, the pressing of a length of 5 seconds when carrying out afterwards, to ensure that adhesive forms gluing layer, under then repeat step three continues
The fixation of one splash guard；
Step 4: being welded the plate width of splash guard
On the basis of step 3, welding machine is climbed to being welded the plate width of splash guard using automatic double slit splash guard, wall scroll weldering
Effective weld width of seam is no less than 10mm, and splash guard lap width is 100mm, and weld seam is double weld seams, and centre reserves cavity
Use is checked to inflate, inflating the method for inspection is：Connected with No. 5 injection needles with pressure gauge, empty interacvity air-filling double weld seams,
When the blowing pressure reaches 0.15~0.2Mpa between double weld seams, stopping is inflated, and is kept for 1~5 minute, maintains pressure as qualified；
Step 5: check splash guard plate width between sealing situation and carry out Local treatment
On the basis of step 4, welding checks the plate width of splash guard, found out using the detection liquid with colloidality
Gas leak position, if it find that there is the position for overflowing bubble, detected again after melting weldering device repairing with heat, be until no longer overflowing bubble
Only；
Step 6: cast secondary lining layer
Secondary lining layer is poured, is comprised the following steps that：
Step 6.1, processing and installation reinforcing bar；
Step 6.2, assembled formwork chassis, debug formwork jumbo, adjustment formwork jumbo to specified location, installation form；
Step 6.3, casting concrete, and wait concrete setting；
Step 6.4, form removal；
Step 6.5, curing concrete lining cutting layer, concrete surface is sprayed using water under high pressure.
2. the laying method of anchor bar of waterproof plate in tunnels according to claim 1, it is characterised in that in step 2, can also use
Capsule pad and geotextiles are fixed on the basal plane of preliminary bracing by setscrew.
3. the laying method of anchor bar of waterproof plate in tunnels according to claim 1, it is characterised in that the geotextiles in step 2 are soil
Work non-woven fabrics.
4. the laying method of anchor bar of waterproof plate in tunnels according to claim 1, it is characterised in that in step 2, adhesive is one
Kind of Oxidation polymerization type adhesive, adhesive by weight percentage, acrylate copolymer 30~34%, water 34~38%, titanium white
Powder 0.1~1%, silica 0.5~2%, silicon powder 8~10%, micaceous iron oxide 12~16% and butylamino formic acid iodine
For propynyl ester 4~8%；Acrylate copolymer is using acrylic emulsion as main component, including cuprous oxide and organic-biological are lived
Property material, the water-based rustproof lacquer of mixed solvent；Silicon powder is ball-type silicon powder.
5. the laying method of anchor bar of waterproof plate in tunnels according to claim 1, it is characterised in that the capsule pad in step 2 is adopted
With plastic capsule pad.
6. the laying method of anchor bar of waterproof plate in tunnels according to claim 1, it is characterised in that the splash guard in step 3 is
EVA splash guards.
7. the laying method of anchor bar of waterproof plate in tunnels according to claim 1, it is characterised in that the detection liquid in step 5 uses
Suds, washing powder water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720123.6A CN107575245B (en) | 2017-08-21 | 2017-08-21 | A kind of laying method of anchor bar of waterproof plate in tunnels |
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| CN201710720123.6A CN107575245B (en) | 2017-08-21 | 2017-08-21 | A kind of laying method of anchor bar of waterproof plate in tunnels |
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| CN107575245B CN107575245B (en) | 2019-06-21 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109139062A (en) * | 2018-07-30 | 2019-01-04 | 中铁七局集团西安铁路工程有限公司 | A kind of electromagnetism welding machine laying tunnel water proofing board construction method |
| CN109681243A (en) * | 2018-08-15 | 2019-04-26 | 福建陆海工程勘察设计有限公司 | A kind of pair of tunnel-liner two serves as a contrast the exposed method for comprehensive repairing of concrete water-proof plate |
| CN109807456A (en) * | 2019-01-02 | 2019-05-28 | 中交第二航务工程局有限公司 | A kind of anchor bar of waterproof plate in tunnels electromagnetism welding construction method |
| CN110056376A (en) * | 2019-03-12 | 2019-07-26 | 中交一公局桥隧工程有限公司 | A kind of anchor bar of waterproof plate in tunnels lap joint process |
| CN112127917A (en) * | 2020-09-16 | 2020-12-25 | 中国建筑第二工程局有限公司 | Gasket device for fixing pre-paved cold self-adhesive waterproof roll and construction method |
| CN113863965A (en) * | 2021-11-08 | 2021-12-31 | 中铁十九局集团第六工程有限公司 | Tunnel waterproof layer construction method |
| CN114017071A (en) * | 2021-11-22 | 2022-02-08 | 中铁第一勘察设计院集团有限公司 | Waterproof board gasket with self-adhesive property and method for hanging and laying waterproof board |
| CN116104210A (en) * | 2023-03-13 | 2023-05-12 | 湖南盛业土工材料制造有限公司 | Ageing-resistant waterproof board and manufacturing method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109139062A (en) * | 2018-07-30 | 2019-01-04 | 中铁七局集团西安铁路工程有限公司 | A kind of electromagnetism welding machine laying tunnel water proofing board construction method |
| CN109681243A (en) * | 2018-08-15 | 2019-04-26 | 福建陆海工程勘察设计有限公司 | A kind of pair of tunnel-liner two serves as a contrast the exposed method for comprehensive repairing of concrete water-proof plate |
| CN109681243B (en) * | 2018-08-15 | 2020-08-07 | 福建陆海工程勘察设计有限公司 | Comprehensive restoration method for tunnel lining two-lining concrete waterproof board exposure |
| CN109807456A (en) * | 2019-01-02 | 2019-05-28 | 中交第二航务工程局有限公司 | A kind of anchor bar of waterproof plate in tunnels electromagnetism welding construction method |
| CN110056376A (en) * | 2019-03-12 | 2019-07-26 | 中交一公局桥隧工程有限公司 | A kind of anchor bar of waterproof plate in tunnels lap joint process |
| CN112127917A (en) * | 2020-09-16 | 2020-12-25 | 中国建筑第二工程局有限公司 | Gasket device for fixing pre-paved cold self-adhesive waterproof roll and construction method |
| CN113863965A (en) * | 2021-11-08 | 2021-12-31 | 中铁十九局集团第六工程有限公司 | Tunnel waterproof layer construction method |
| CN113863965B (en) * | 2021-11-08 | 2024-05-24 | 中铁十九局集团第六工程有限公司 | Tunnel waterproof layer construction method |
| CN114017071A (en) * | 2021-11-22 | 2022-02-08 | 中铁第一勘察设计院集团有限公司 | Waterproof board gasket with self-adhesive property and method for hanging and laying waterproof board |
| CN116104210A (en) * | 2023-03-13 | 2023-05-12 | 湖南盛业土工材料制造有限公司 | Ageing-resistant waterproof board and manufacturing method thereof |
| CN116104210B (en) * | 2023-03-13 | 2024-01-12 | 湖南盛业土工材料制造有限公司 | Ageing-resistant waterproof board and manufacturing method thereof |
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| CN107575245B (en) | 2019-06-21 |
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