CN105257320A - Tunnel waterproof structure and construction method - Google Patents
Tunnel waterproof structure and construction method Download PDFInfo
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- CN105257320A CN105257320A CN201510724005.3A CN201510724005A CN105257320A CN 105257320 A CN105257320 A CN 105257320A CN 201510724005 A CN201510724005 A CN 201510724005A CN 105257320 A CN105257320 A CN 105257320A
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- splash guard
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- surface layer
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Abstract
The invention discloses a tunnel waterproof structure and a construction method. The waterproof structure comprises a water-permeable layer and a waterproof layer which are sequentially formed outside a substrate; the waterproof layer comprises a plurality of waterproof plates; the waterproof layer on the same section is formed by laying one whole waterproof plate, and the whole waterproof plate is overlapped and fixed with the adjacent waterproof plates in the tunnel depth direction; a hook surface layer and a loop surface layer which are connected in a hook-loop bonding manner are formed between the substrate and the waterproof plates; the loop surface layer is arranged with the tunnel substrate through steel nails and spacers; the back of the hook surface layer is matched onto the waterproof plates; the hook surface layer and the loop surface layer are combined to form the water-permeable layer. The construction method comprises the steps of laying loop surface plates on the loop surface layer and laying the waterproof layers, wherein the welding width for overlapping among the waterproof plates is greater than and equal to 20 cm. The tunnel waterproof structure has the benefits that the waterproof plates are fixed in a hook-loop bonding manner, so that geotechnical cloth in the prior art is eliminated; the tunnel waterproof structure is simple and stable, firm in waterproof plate mounting, good in waterproof effect and long in service life; the construction method has the benefits of being simple and high in operability.
Description
Technical field
Patent of the present invention relates to tunnel water proofing technology, particularly a kind of tunnel waterproofing construction and construction method.
Background technology
In constructing tunnel, need the tunnel side wall after to preliminary bracing and arch to carry out guarded drainage construction before Tunnel Second Lining Construction, in operation process, occur percolating water phenomenon to prevent tunnel.Current waterproof construction comprises the basic unit by sprayed mortar or cement sand plaster, basic unit sets gradually geotextiles and splash guard realizes waterproof.In existing tunnel, the installation of splash guard is laid and is usually adopted the paving modes such as gallus-type installation, the laying of hot melt packing ring, adhesive type splash guard.Gallus-type splash guard produces suspender belt according to constant spacing in the one side of splash guard when producing, in engineering construction, rock mass in tunnel squeezes into hook, then the suspender belt of splash guard is tied on hook, such installation splash guard and works not closely connected, particularly when construction tunnel arch ring concrete, concrete deadweight easily pulls off splash guard, does not have waterproof action.The splash guard that hot melt packing ring is laid,, on scar, infiltration geotextiles is first installed, then hot melt packing ring is laid, heat melting device is used both to be welded together splash guard and hot melt packing ring again, wayward and the easy burn-through splash guard of this splash guard temperature, and solder joint fastness is poor, lays due to hot melt packing ring and there is comparatively Large space, the same unfavorable effect producing gallus-type splash guard.Adhesive type splash guard is laid; when plant produced; face scribbles viscose glue to splash guard; when constructing, tearing viscose glue diaphragm off, splash guard is adhered on tunnel scar; this requires that scar must be clean, smooth; but cannot accomplish in actual tunnel, this causes bonding unstable, does not have waterproof action.For this reason, need to continue to improve.
Summary of the invention
The first object of the present invention is for the deficiencies in the prior art, a kind of tunnel waterproofing construction is provided, this waterproof construction eliminates geotextiles, utilize thread gluing mode to realize splash guard to fix, its structure is simple, be easy to operation, splash guard is installed firmly, installs rear stability good, the not fragile splash guard of installation process, good water-proof effect, long service life.The second object of the present invention is to provide a kind of tunnel water proofing construction method, and this construction method is applicable to aforementioned waterproof construction, and its method is simple, workable, and efficiency of construction is high.
For realizing the first object, the present invention adopts following technical scheme.
A kind of tunnel waterproofing construction, be made up of the permeable layer be formed in successively outside basic unit and waterproofing course, waterproofing course is made up of polylith splash guard, and the waterproofing course of same section is applied into by one whole splash guard, and it is fixing that the adjacent splash guard along tunnel depth direction forms overlap joint; Sticking button hook surface layer and the thread gluing flocked layer of thread gluing connection is formed between basic unit and splash guard, thread gluing flocked layer and tunnel basic unit are followed closely by steel nail shimming and establish, the sticking button hook surface layer back side is fitted on splash guard, and sticking button hook surface layer and thread gluing flocked layer form described permeable layer.
Adopt the structure of the present invention of preceding solution, sticking button hook surface layer and thread gluing flocked layer form permeable layer, and that eliminate the geotextiles in existing waterproof technique, its structure is simple.Meanwhile, splash guard is fixed by thread gluing type of attachment, and it can need be fixed by the mode pressing or beat, its constructing operation is convenient, and structure is simple, be easy to operation, splash guard is installed firmly, installs rear stability good, the not fragile splash guard of installation process, good water-proof effect, long service life.Particularly thread gluing flocked layer is fitted on splash guard, can play the effect of buffering and protection splash guard.
Preferably, described steel nail is nailing.To utilize ail gun to construct, its easy construction, and the fixation layer by layer of thread gluing hair side.
Preferably, described sticking button hook surface layer is fixed on described splash guard by glue bond by the back side.The Virtual production means that can make full use of splash guard and thread gluing are manufactured separately, and its production efficiency is high, is beneficial to and reduces costs.
Preferably, the lap width of described adjacent splash guard is more than or equal to 20cm, and by being welded and fixed.
Preferred further, described thread gluing flocked layer is mutually overlapped completely to be layered in basic unit by multiple hair side plates and is formed; The hook side plate of described sticking button hook surface layer forms full paving on described splash guard except the lap segment of splash guard.Improve the fastness that splash guard is connected with basic unit, guarantee waterproof effect.
Further preferred, the lap width of described adjacent hair side plate is more than or equal to 5cm, and hair side plate is also established by described steel nail shimming nail at clinch.
For realizing the second object, the present invention adopts following technical scheme.
A kind of tunnel water proofing construction method, is included in the permeable layer after to base cleaning and waterproofing course lays, and it is characterized in that, described permeable layer and waterproofing course lay and comprise the following steps:
S1, thread gluing hair side laminate lays: lay at the setting position of basic unit and fix first ring hair side plate; Lay hair side plate continuously successively, hair side plate lap length is not less than 5cm;
S2, splash guard lays: on the thread gluing flocked layer laid, carry out splash guard laying successively, and splash guard hoop connects employing and climbs welder, and lap width is not less than 20cm;
Adopt the inventive method of preceding solution, basic unit forms permeable layer by sticking button hook surface layer and thread gluing flocked layer, that eliminates the geotextiles in existing waterproof technique; Meanwhile, splash guard is connected by thread gluing, and it can need be fixed by the mode pressing or beat, and its construction method is simple, and construction appliance is few, and splash guard is installed firmly, Stability Analysis of Structures; Long service life.
Preferably, lay in step at described thread gluing flocked layer, the nailing that hair side plate is penetrated by ail gun is fixed in basic unit, and between hair side plate and the muzzle of ail gun, arranges a pad before ail gun beats nailing, again beats nailing after withstanding pad with muzzle.Efficiency of construction is improved by existing ripe construction tool.
Preferably, before described splash guard lays, check whether the splash guard back side has the hook side plate forming sticking button hook surface layer, if having, then perform and lay, otherwise, because hook side plate is bonded and fixed at the splash guard back side, and reserve the wide lap belt of at least 20cm in both sides.To be applicable to splash guard and thread gluing is purchased separately, utilize the Virtual production means of splash guard and thread gluing to manufacture separately, its production efficiency is high, is beneficial to and reduces costs.
The invention has the beneficial effects as follows, utilize thread gluing mode to realize splash guard and fix, and eliminate geotextiles of the prior art, its structure is simple, splash guard installs firmly, Stability Analysis of Structures, good water-proof effect, long service life.Construction method is suitable for aforementioned structure, and it is simple to operate, workable, and efficiency of construction is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of waterproof construction of the present invention.
Fig. 2 is the overlap joint schematic diagram that in Fig. 1 of the present invention, A-A analyses and observe middle splash guard.
Fig. 3 is the syndeton schematic diagram of hair side plate and basic unit in waterproof construction of the present invention.
With top view also for illustration of construction method.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated, but therefore do not limit the present invention among described scope of embodiments.
Embodiment 1, see Fig. 1, Fig. 2, Fig. 3, a kind of tunnel waterproofing construction, is made up of the permeable layer be formed in successively outside basic unit 1 and waterproofing course, and waterproofing course is combined to form by polylith splash guard 2; The waterproofing course of same section is applied into by one whole splash guard 2, and it is fixing that the adjacent splash guard 2 along tunnel depth direction forms overlap joint, and its lap width is more than or equal to 20cm, and is fixedly connected by welding; Sticking button hook surface layer 3 and the thread gluing flocked layer 4 of thread gluing connection is formed between basic unit 1 and splash guard 2; Being followed closely by steel nail 6 shimming 7 of nailing with tunnel basic unit 1 of thread gluing flocked layer 4 is established, and sticking button hook surface layer 3 back side is fitted on splash guard 2, and sticking button hook surface layer 3 and thread gluing flocked layer 4 form described permeable layer.Wherein, sticking button hook surface layer 3 is fixed on described splash guard 2 by glue bond by the back side.
Wherein, thread gluing flocked layer 4 is mutually overlapped completely to be layered in basic unit by multiple hair side plates and is formed; The hook side plate of sticking button hook surface layer 3 forms full paving on described splash guard 2 except the lap segment of splash guard 2, and the lap width of hair side plate is more than or equal to 5cm, and hair side plate is also established by described steel nail 6 shimming 7 nail at clinch.
Embodiment 2, see Fig. 1, Fig. 2, Fig. 3, a kind of tunnel water proofing construction method, is included in the permeable layer after clearing up basic unit 1 and waterproofing course lays, and wherein, permeable layer and waterproofing course lay and comprise the following steps:
S1, thread gluing hair side laminate lays: lay at the setting position of basic unit and fix first ring hair side plate; One-time continuous lays hair side plate, and hair side plate lap length is not less than 5cm;
S2, splash guard lays: carry out splash guard laying successively having laid on thread gluing flocked layer, and splash guard hoop connects employing and climbs welder, and lap width is not less than 20cm;
Wherein, lay in step at described hair side plate, the nailing 6 that hair side plate is penetrated by ail gun is fixed in basic unit 1, and before ail gun beats nailing 6, arranges one between hair side plate and the muzzle of ail gun form pad 7 by packing ring, beats nailing 6 after withstanding pad 7 with muzzle again.Before splash guard 2 lays, check whether splash guard 2 back side has the hook side plate forming sticking button hook surface layer 3, if having, then perform and lay, otherwise, because hook side plate is bonded and fixed at splash guard 2 back side, and reserve the wide lap belt of at least 20cm in both sides.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (9)
1. a tunnel waterproofing construction, by being formed in the outer permeable layer of basic unit (1) successively and waterproofing course forms, waterproofing course is combined to form by polylith splash guard (2); It is characterized in that, the waterproofing course of same section is applied into by one whole splash guard (2), and it is fixing that the adjacent splash guard (2) along tunnel depth direction forms overlap joint; Sticking button hook surface layer (3) and the thread gluing flocked layer (4) of thread gluing connection is formed between described basic unit (1) and splash guard (2); Being followed closely by steel nail (6) shimming (7) with tunnel basic unit (1) of thread gluing flocked layer (4) is established, sticking button hook surface layer (3) back side is fitted on splash guard (2), and sticking button hook surface layer (3) and thread gluing flocked layer (4) form described permeable layer.
2. tunnel waterproofing construction according to claim 1, is characterized in that, described steel nail (6) is nailing.
3. tunnel waterproofing construction according to claim 1, is characterized in that, described sticking button hook surface layer (3) is fixed on described splash guard (2) by glue bond by the back side.
4. tunnel waterproofing construction according to claim 1, is characterized in that, the lap width of described adjacent splash guard (2) is more than or equal to 20cm, and by being welded and fixed.
5. the tunnel waterproofing construction any one of Claims 1 to 4 described in claim, is characterized in that, described thread gluing flocked layer (4) is mutually overlapped completely to be layered in basic unit by multiple hair side plates and formed; The hook side plate of described sticking button hook surface layer (3) above forms full paving at described splash guard (2) except the lap segment of splash guard (2).
6. tunnel waterproofing construction according to claim 5, is characterized in that, the lap width of described hair side plate is more than or equal to 5cm, and hair side plate is also established by described steel nail (6) shimming (7) nail at clinch.
7. a tunnel water proofing construction method, is included in the permeable layer after to basic unit (1) cleaning and waterproofing course lays, and it is characterized in that, described permeable layer and waterproofing course lay and comprise the following steps:
S1, thread gluing hair side laminate lays: after the setting position of basic unit (1) is laid and fixed first ring hair side plate, and lay hair side plate continuously successively, hair side plate lap length is not less than 5cm;
S2, splash guard lays: on the thread gluing flocked layer laid, carry out splash guard (2) successively lay, and splash guard (2) hoop connects employing and climbs welder, and lap width is not less than 20cm.
8. tunnel water proofing construction method according to claim 7, it is characterized in that, lay in step at described thread gluing flocked layer, the nailing (6) that hair side plate is penetrated by ail gun is fixed in basic unit (1), and beat at ail gun that nailing (6) is front arranges a packing ring (7) between hair side plate and the muzzle of ail gun, beat nailing (6) again after withstanding packing ring (7) with muzzle.
9. tunnel water proofing construction method according to claim 7, it is characterized in that, before described splash guard (2) lays, check whether splash guard (2) back side has the hook side plate forming sticking button hook surface layer (3), if have, then perform and lay, otherwise, because hook side plate is bonded and fixed at splash guard (2) back side, and reserve lap belt in both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510724005.3A CN105257320A (en) | 2015-10-29 | 2015-10-29 | Tunnel waterproof structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510724005.3A CN105257320A (en) | 2015-10-29 | 2015-10-29 | Tunnel waterproof structure and construction method |
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| CN105257320A true CN105257320A (en) | 2016-01-20 |
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| CN201510724005.3A Pending CN105257320A (en) | 2015-10-29 | 2015-10-29 | Tunnel waterproof structure and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106643365A (en) * | 2016-12-13 | 2017-05-10 | 中铁十九局集团第二工程有限公司 | Tunnel waste second lining blasting demolition and repairing construction method |
| CN107012885A (en) * | 2017-02-17 | 2017-08-04 | 南京联众建设工程技术有限公司 | One kind being capable of fireproof steel underground pipe gallery |
| 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 |
| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106643365A (en) * | 2016-12-13 | 2017-05-10 | 中铁十九局集团第二工程有限公司 | Tunnel waste second lining blasting demolition and repairing construction method |
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| 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 |
| 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 |
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Application publication date: 20160120 |