CN204804859U - Waterproof system of genuine structure in city - Google Patents
Waterproof system of genuine structure in city Download PDFInfo
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- CN204804859U CN204804859U CN201520537475.4U CN201520537475U CN204804859U CN 204804859 U CN204804859 U CN 204804859U CN 201520537475 U CN201520537475 U CN 201520537475U CN 204804859 U CN204804859 U CN 204804859U
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- waterproofing
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- underpass
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Abstract
The utility model discloses a waterproof system of genuine structure in city, the genuine waterproof system in city is from waterproof system and the waterproof system of outsourcing from inside to outside in proper order, from waterproof system, including the genuine structure that adopts waterproof concrete to pour, genuine structure lateral surface is equipped with waterproof cement mortar screed -coat, the waterproof system of outsourcing includes the waterproof layer that sets up in the waterproof cement mortar screed -coat outside, the waterproof layer outside is provided with pea gravel concreten or brick wall. The utility model discloses effectively reduce genuine breakthrough, improved the durability and the life of genuine structure, guaranteed genuine normal running and maintain with convenient, satisfied construction requirements simultaneously.
Description
Technical field
The utility model belongs to a kind of waterproofing system, particularly relates to the waterproofing system of a kind of city underpass.
Background technology
Along with the development of urban construction, the construction of city underpass is more and more general, can ensure the personal safety of pedestrian's street crossing, can combine again with the utilization of urban underground space.Above tunnel, city, overburden layer is interior owing to will arrange pipeline miscellaneous, and usual buried depth is comparatively large, and great majority are all placed in below groundwater table, and genuine waterproof problem seems particularly important.The cut and cover tunneling that tunnel, city under newly-built road generally adopts easy construction, cost relatively low, but in use, infiltration phenomenon in tunnel is still comparatively frequent, and problem is generally: the processing ease lack of standardization in (1) concrete construction makes Concrete Structure Crack.(2) in the past tunnel design generally one deformation joint is set at about 10 ~ 15 meters, deformation joint quantity is more, there is very large leakage hidden trouble.(3) outsourcing waterproofing design is improper, material property is poor or not high being easy to of construction quality causes later stage seepage.
Therefore, study the genuine waterproofing system in novel cut and cover method city, reduce breakthrough, the raising durability of underpass and the normal use and maintenance in later stage are all had important practical significance.
Utility model content
The purpose of this utility model is to provide the waterproofing system of a kind of city underpass, effectively reduces genuine breakthrough, improves durability and the application life of underpass, ensures genuine normal operation and maintain easily, meeting construction requirement simultaneously.
For achieving the above object, the utility model adopts following technical scheme:
A waterproofing system for city underpass, the waterproofing system in tunnel, described city is followed successively by self-waterproof system and outsourcing waterproofing system from inside to outside; Described self-waterproof system, comprise the underpass adopting waterproof concrete to build, described underpass lateral surface is provided with waterproof cement mortar leveling layer; Described outsourcing waterproofing system, comprises the waterproofing course be arranged at outside waterproof cement mortar leveling layer, and described waterproofing course arranged outside has pea gravel concreten or brick wall.
The waterproofing system in tunnel, described city, also comprises detail structure waterproofing system; Described detail structure waterproofing system comprises genuine waterproofing of movement joints structure, the configured and disposed ater-casting on tunnel of horizontal construction joint.
Described waterproofing course comprises the polyurethane waterproof coating be arranged at outside waterproof cement mortar leveling layer, is provided with self-adhesive waterproof coiled material outside described polyurethane waterproof coating.
The thickness of described self-adhesive waterproof coiled material is 4mm.
Be arranged at the pea gravel concreten outside waterproofing course or brick wall backfill employing 3:7 dirt water proof.
Described genuine waterproofing of movement joints structure, comprise the lining type waterstop be set in turn in genuine deformation joint, in buried rubber watertight strip, for the ethylene closed cell foam water-repellent plate of filleting, for the polysulfide sealant that seals and external labeling type waterstop.
Described horizontal construction joint structure, comprises and is arranged at buried steel plate water stopper and water-swellable water-stop glue in constuction joint, all establish one waterproof roll enhancement Layer within the scope of each 25cm of constuction joint both sides external.
Every 20 meters ~ 25 meters at underpass arrange one ater-casting.
The beneficial effects of the utility model are:
(1) the utility model agent structure adopts waterproof concrete, meets the requirement of setting up defences of " Technical code for water proof in underground engineering " (GB50108-2008);
(2) polyurethane water-proof paint of the present utility model has good extensibility and high water resistance, the associating waterproofing system adopting polyurethane coating to add self-adhesive coiled material can stop environment pollution because using blowtorch to cause and fire, because of the seam reducing 50%, to add self-adhesive coiled material distinctive from close function, solves hollowing, water phenomenon of going here and there with basic unit well.
(3) setting of the utility model ater-casting, greatly reduces the quantity of deformation joint, thus reduces the possibility of leaking from deformation joint position in use procedure.The process of other thin portion waterproof also provides solid sound assurance.
Accompanying drawing explanation
Fig. 1 is agent structure waterproof schematic diagram of the present utility model;
Fig. 2 is waterproofing of movement joints schematic diagram of the present utility model.
Wherein, 1, underpass; 2, waterproof cement mortar leveling layer; 3, polyurethane waterproof coating; 4, self-adhesive waterproof coiled material; 5, pea gravel concreten or brick wall; 6, the lining type waterstop in genuine deformation joint; 7, buried rubber watertight strip in; 8, ethylene closed cell foam water-repellent plate; 9, polysulfide sealant; 10, external labeling type waterstop.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
As shown in Figure 1, the waterproofing system of a kind of city underpass, the waterproofing system in tunnel, described city is followed successively by self-waterproof system and outsourcing waterproofing system from inside to outside; Described self-waterproof system, comprise the underpass 1 adopting waterproof concrete to build, described underpass 1 lateral surface is provided with waterproof cement mortar leveling layer 2; Described outsourcing waterproofing system, comprises the waterproofing course be arranged at outside waterproof cement mortar leveling layer 2, and described waterproofing course arranged outside has pea gravel concreten or brick wall 5.
Described waterproofing course comprises the polyurethane waterproof coating 3 be arranged at outside waterproof cement mortar leveling layer 2, is provided with self-adhesive waterproof coiled material 4 outside described polyurethane waterproof coating 3.The thickness of described self-adhesive waterproof coiled material 4 is 4mm.
Because polyurethane water-proof is coated with for amorphous viscous body before 3 films coatings, all easily construct at the basal plane of any complexity, and quality is guaranteed, film is without seam, and globality is strong.Outside polyurethane waterproof coating, use 4mm self-adhesive waterproof coiled material 4, extraneous lateral pressure can be carried out from close reparation the cut scratched unexpected on coiled material, and can have good adhesion with polyurethane coating layer.This system had both possessed the advantage of coiled material, had again the advantage of film, duplicate protection, effectively prevented seepage.
Be arranged at the pea gravel concreten outside waterproofing course or brick wall 5 backfill employing 3:7 dirt water proof.
As shown in Figure 2, the waterproofing system in tunnel, described city, also comprises detail structure waterproofing system; Described detail structure waterproofing system comprises genuine waterproofing of movement joints structure, the configured and disposed ater-casting on tunnel of horizontal construction joint.
Described genuine waterproofing of movement joints structure, comprise the lining type waterstop 6 be set in turn in genuine deformation joint, in buried rubber watertight strip 7, for the ethylene closed cell foam water-repellent plate 8 of filleting, for the polysulfide sealant 9 that seals and external labeling type waterstop 10.
Described horizontal construction joint structure, comprises and is arranged at buried steel plate water stopper and water-swellable water-stop glue in constuction joint, all establish one waterproof roll enhancement Layer within the scope of each 25cm of constuction joint both sides external.
Every 20 meters ~ 25 meters at underpass arrange one ater-casting.
Described ater-casting adopts the cast of compensate for shrinkage concrete.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. a waterproofing system for city underpass, is characterized in that, the waterproofing system in tunnel, described city is followed successively by self-waterproof system and outsourcing waterproofing system from inside to outside; Described self-waterproof system, comprise the underpass adopting waterproof concrete to build, described underpass lateral surface is provided with waterproof cement mortar leveling layer; Described outsourcing waterproofing system, comprises the waterproofing course be arranged at outside waterproof cement mortar leveling layer, and described waterproofing course arranged outside has pea gravel concreten or brick wall.
2. the waterproofing system of a kind of city as claimed in claim 1 underpass, is characterized in that, the waterproofing system in tunnel, described city, also comprises detail structure waterproofing system; Described detail structure waterproofing system comprises genuine waterproofing of movement joints structure, the configured and disposed ater-casting on tunnel of horizontal construction joint.
3. the waterproofing system of a kind of city as claimed in claim 1 underpass, it is characterized in that, described waterproofing course comprises the polyurethane waterproof coating be arranged at outside waterproof cement mortar leveling layer, is provided with self-adhesive waterproof coiled material outside described polyurethane waterproof coating.
4. the waterproofing system of a kind of city as claimed in claim 3 underpass, is characterized in that, the thickness of described self-adhesive waterproof coiled material is 4mm.
5. the waterproofing system of a kind of city as claimed in claim 1 underpass, is characterized in that, is arranged at the pea gravel concreten outside waterproofing course or brick wall backfill employing 3:7 dirt water proof.
6. the waterproofing system of a kind of city as claimed in claim 2 underpass, it is characterized in that, described genuine waterproofing of movement joints structure, comprise the lining type waterstop be set in turn in genuine deformation joint, in buried rubber watertight strip, for the ethylene closed cell foam water-repellent plate of filleting, for the polysulfide sealant that seals and external labeling type waterstop.
7. the waterproofing system of a kind of city as claimed in claim 2 underpass, it is characterized in that, described horizontal construction joint structure, comprise and be arranged at buried steel plate water stopper and water-swellable water-stop glue in constuction joint, within the scope of each 25cm of constuction joint both sides external, all establish one waterproof roll enhancement Layer.
8. the waterproofing system of a kind of city as claimed in claim 2 underpass, is characterized in that, every 20 meters ~ 25 meters at underpass arrange one ater-casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520537475.4U CN204804859U (en) | 2015-07-22 | 2015-07-22 | Waterproof system of genuine structure in city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520537475.4U CN204804859U (en) | 2015-07-22 | 2015-07-22 | Waterproof system of genuine structure in city |
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| Publication Number | Publication Date |
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| CN204804859U true CN204804859U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520537475.4U Active CN204804859U (en) | 2015-07-22 | 2015-07-22 | Waterproof system of genuine structure in city |
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| Country | Link |
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| CN (1) | CN204804859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436777A (en) * | 2016-09-12 | 2017-02-22 | 中国建筑第五工程局有限公司 | Subway station skin waterproof structure and construction method thereof |
| CN111561332A (en) * | 2020-04-25 | 2020-08-21 | 中山大学 | Construction method of mountain tunnel shock-insulation waterproof heat-insulation high polymer |
-
2015
- 2015-07-22 CN CN201520537475.4U patent/CN204804859U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436777A (en) * | 2016-09-12 | 2017-02-22 | 中国建筑第五工程局有限公司 | Subway station skin waterproof structure and construction method thereof |
| CN111561332A (en) * | 2020-04-25 | 2020-08-21 | 中山大学 | Construction method of mountain tunnel shock-insulation waterproof heat-insulation high polymer |
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