CN105951892A - Deep-water-covered open-cut structure roof waterproof structure and construction method thereof - Google Patents
Deep-water-covered open-cut structure roof waterproof structure and construction method thereof Download PDFInfo
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- CN105951892A CN105951892A CN201610407715.8A CN201610407715A CN105951892A CN 105951892 A CN105951892 A CN 105951892A CN 201610407715 A CN201610407715 A CN 201610407715A CN 105951892 A CN105951892 A CN 105951892A
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- water
- layer
- waterproof
- repellent paint
- waterproof coating
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0075—Textiles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0079—Granulates
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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Abstract
The invention relates to a deep-water-covered open-cut structure roof waterproof structure and a construction method thereof. The deep-water-covered open-cut structure roof waterproof structure is characterized in that the deep-water-covered open-cut structure roof waterproof structure comprises an open-cut structure roof, a first type of waterproof paint layer, a second type of waterproof paint layer, reinforcement fabric and a concrete protection layer; the open-cut structure roof is coated with the first type of waterproof paint layer; the upper portion of the first type of waterproof paint layer is coated with the second type of waterproof paint layer; the reinforcement fabric is arranged in the second type of waterproof paint layer; fine pebbles are sprayed on the second type of waterproof paint layer to form a fin pebble layer; and the concrete protection layer is poured on the top of the fine pebble layer. The waterproof structure is good in compactness, high in aging resistance and good in impermeability.
Description
Technical field
The present invention relates to one and deeply cover water structure built by opencut method waterproof roofing structure and construction method thereof, belong to concrete structure technique neck
Territory.
Background technology
Red paddy Tunnel Passing Ganjiang River, connects new district, Hong Gu beach and bank old town, east, distance Nanchang, upstream bridge 1.4km, distance
August I Bridge, downstream 2.3km, for east-west two-way six-lane urban transportation backbone.Tunnel overall length 9.3km, crosses river section
Use immersed tube, length 1329m.Tunnel use " quick cross river, under water grade separation, multiple spot evacuate, thing through " design,
In Fenghe, main road and crossing, Joyous Garden road, lay along Joyous Garden road eastwards, set a pair gateway, main line in Hong Guzhong main road
Main road in lower Chuan Hongguzhong main road and Ganjiang River, passes through Ganjiang River and middle bar with form of straight lines, with the linking of interchange under water east bank
Docking requirement for meeting immersed tube with the secretly section of burying, in east, bank arranges termination monoblock type, both sides separate type fills sand long tube bag Temporary Cofferdam
And seepage prevention system cuts off Gan Jiangshui, in cofferdam, set open-cut foundation ditch.
East sets evacuation hall and termination foundation ditch, foundation ditch width 38～85m in bank cofferdam, and structure roof thickness is 1600mm, knot
Structure top board each casting concrete side amount about 768～2808m3, and structure construction is in summer.Mass concrete is by temperature etc.
Factor impact is big, and temperature difference between inside and outside concrete is more than 25 DEG C, and structure is it would appear that surface crack and through crack.Structure roof is prevented
Hydromining 3mm thick polymer cement mortar water-repellent paint, uses a cloth four to be coated with technique and constructs.Polymer cement waterproof is coated with
Expect self to structural concrete surface and through crack without closure and repair function, structure will be caused after waterproof roofing coating breakage
Percolating water.
After cofferdam demolition completes, evacuation hall and termination foundation ditch agent structure, by long period of soaking Ganjiang River, cover water depth about 20m.
The agent structure percolating water situation executed according to east bank and material in situ test, in water, agent structure percolating water risk is huge
Greatly.
Summary of the invention
Based on above-mentioned condition, it is an object of the invention to provide one and deeply cover water structure built by opencut method waterproof roofing structure and construction party thereof
Method, the impervious problem of structure built by opencut method waterproof roofing being immersed in water with solution, prevent the infiltration of this kind of concrete works structure, leakage
Water.
In order to solve above-mentioned technical problem, present invention employs following technical proposals.
One covers water structure built by opencut method waterproof roofing structure deeply, it is characterised in that include structure built by opencut method top board, the first waterproof painting
The bed of material, the second waterproof coating layer, folder muscle cloth, concrete cover, the first waterproof coating layer is coated in structure built by opencut method top board
On, the second waterproof coating layer is coated in above the first waterproof coating layer, and arranges folder muscle cloth in the second waterproof coating layer,
Spray microlith on the second waterproof coating layer and constitute microlith layer, top casting concrete protective layer.
Further preferably, described the second waterproof coating layer includes the second water-repellent paint ground floor, the second set gradually
The water-repellent paint second layer, the second water-repellent paint third layer, the second water-repellent paint the 4th layer, the second water-repellent paint first
Layer is coated in the surface of the first waterproof coating layer, between the second water-repellent paint ground floor and the second water-repellent paint third layer
Lay the first folder muscle cloth, coating the 3rd waterproof coating layer and the 4th waterproof coating layer the most successively on the second waterproof coating layer, second
Plant and between water-repellent paint third layer and the second water-repellent paint the 4th layer, lay the second folder muscle cloth, the 4th waterproof coating layer sprays
Microlith layer, concrete cover that microlith layer is constructed.
Further preferably, described folder muscle cloth refers to the fabric with rib.
Further preferably, described waterproof coating layer includes the first waterproof coating layer and the second waterproof coating layer, and the first is prevented
Water paint layer uses cement-based capillary crystalline waterproof coating.The second waterproof coating layer uses polymer cement waterproof paint, should
Water-repellent paint has the effect that (1) superpower penetration, can go deep into more than concrete surface 5cm.(2) excellence is anti-
Ooze performance, the high hydraulic pressure of more than 120m head can be resisted for a long time.(3) harmful chemicals erosion there is is the highest resistance, carry
High concrete durability.(4) automatic repair function, can block rapidly the crack of below 0.4mm.Waterproof construction compactness
Good, environment resistant interference performance is strong, and anti-crack and anti-seepage is good.
Further preferably, the cobble-stone diameter 3～5mm of microlith layer.
Further preferably, between each folder muscle cloth, overlap joint is not less than 100mm.
Present invention also offers one and deeply cover water structure built by opencut method waterproof roofing construction method, it is characterised in that step is as follows:
(1), remove structure built by opencut method top board surface foreign material, and make basal plane coarse, with provide the most open capillary system in order to
In infiltration, finally use high pressure water flushing wash clean, be sufficiently humidified so as to basal plane, make basic unit keep humidity but without open fire；
(2), mix cement-based capillary crystalline waterproof coating, structure built by opencut method top board surface spraying application cement-base infiltration crystallization prevent
Water paint layer, has sprayed rear moisture-keeping maintaining；
(3) remove the particulate matter on cement-based capillary crystalline waterproof coating layer surface, mix the second water-repellent paint, utilize spraying to set
Standby the second water-repellent paint even application is formed the second water-repellent paint the at cement-based capillary crystalline waterproof coating layer end face
One layer, before the coating initial set of the second water-repellent paint ground floor, lay folder muscle cloth, spray the second water-repellent paint second layer, then
If spraying dried layer the second water-repellent paint is until needing thickness, uniformly spray thin before the superiors of the second water-repellent paint condense
Stone forms microlith layer, concrete cover of then constructing on microlith layer.
Further preferably, the number of plies of the second water-repellent paint can select according to construction thickness, can have the second water-repellent paint
Third layer, the second water-repellent paint the 4th layer, so more, can lay or not lay folder muscle cloth between each layer.
The technique effect of the present invention: waterproof coating layer has stronger penetrating power, can repair mass concrete and shrink change
Structural cracks produced by shape；And waterproof coating layer has obtained the protection of concrete cover, will not be washed away by flowing water and lose
Go penetrating power.
Accompanying drawing explanation
The schematic diagram of Fig. 1 present invention.
In figure: 1. structure built by opencut method top board, 2. the first waterproof coating layer, 3. the second water-repellent paint ground floor, 4. first
Reinforcement cloth, 5. the second water-repellent paint second layer, 6. the second water-repellent paint third layer, 7. the second reinforcement cloth, 8.
Two kinds of water-repellent paints the 4th layer, 9. microlith layer, 10. water-proof concrete layer.
Detailed description of the invention
Further illustrate the present invention below in conjunction with the accompanying drawings.
Embodiment 1
Remove structure built by opencut method top board 1 surface irregularities, and make basal plane coarse, to provide the most open capillary system to be beneficial to
Infiltration, finally uses high pressure water flushing wash clean.It is sufficiently humidified so as to basal plane, makes basic unit keep humidity but without open fire.According to powder: water
The weight ratio mix cement-based capillary crystalline waterproof coating of=1:0.6～0.8, first should pour into water in container, then be poured into by coating
In water, machinery quickly stirs, and mixture is poured in spraying equipment special container and carries out spraying application, material usage
For 1.5kg/m2, form the first waterproof coating layer 2 (i.e. waterproof painting of cement-base infiltration crystallization on structure built by opencut method top board 1 surface
The bed of material).The first waterproof coating layer 2 has sprayed rear moisture-keeping maintaining 24h.Utilize the spraying on bamboo besom roof cleaning surface
Thing, it is ensured that without floating ash and the particulate matter of the first water-repellent paint being attached to structure built by opencut method top board, finally do with high pressure water washing
Only.Utilize spraying equipment according to match ratio the second water-repellent paint (polymer cement waterproof paint), polymer cement
Water-repellent paint even application forms the second water-repellent paint ground floor 3 at the first waterproof coating layer 2 end face, and the second is waterproof
Lay the first folder muscle cloth 4, each folder muscle cloth overlap joint 100mm before the coating initial set of coating ground floor 3, then spray second and third,
Four coatings, to design thickness, obtain the second water-repellent paint second layer 5, the second water-repellent paint third layer 6, the second
Water-repellent paint the 4th layer 8, lays the second folder muscle cloth 7, executes at coating before the coating initial set of the second water-repellent paint third layer 6
After work completes, should uniformly spray microlith (particle diameter 3～5mm) shape before the Paint coagulation of the second water-repellent paint the 4th layer 8
Become microlith layer 9, concrete cover 10 of then constructing on microlith layer 9.
Water structure built by opencut method waterproof roofing structure is deeply covered as it is shown in figure 1, include from bottom to top is bright by what abovementioned steps construction obtained
Digging structure top board 1, the first waterproof coating layer 2, the second water-repellent paint ground floor 3, first press from both sides muscle cloth 4, the second is prevented
The water paint second layer 5, the second water-repellent paint third layer 6, second press from both sides muscle cloth 7, the second water-repellent paint the 4th layer 8, thin
Rock layers 9, concrete cover 10.
The waterproof coating layer of the first waterproof coating layer 2 and the second waterproof coating layer composition plays waterproof action, in waterproof painting
The bed of material arranges reinforcement cloth and improves the cracking resistance resistance to tension of waterproof coating layer.It is waterproof that concrete cover 10 primarily serves protection
The effect of dope layer, also plays certain waterproof action simultaneously, and microlith layer 9 plays connection concrete cover 10 and water-repellent paint
The effect of layer, makes the two connection the tightst, without departing from.
In the present invention, the first waterproof coating layer 2 uses cement-based capillary crystalline waterproof coating, and cement-base infiltration crystallization is waterproof
Coating has (1) superpower penetration, can go deep into more than concrete surface 5cm.(2) excellent anti-permeability performance, can be permanent
The high hydraulic pressure of opposing more than 120m head.(3) harmful chemicals erosion there is is the highest resistance, improve concrete durability.
(4) automatic repair function, can block rapidly the crack of below 0.4mm.
Embodiment 2
Because in waterproof coating layer work progress, monolayer is the thickest it cannot be guaranteed that construction quality, just construction in layer.Work as classification of waterproof
When requiring lower, the second water-repellent paint third layer 6, second can be saved on the basis of embodiment 1 and press from both sides muscle cloth 7, second
Plant water-repellent paint the 4th layer 8.
Embodiment 3
Poor way of example, can save the first waterproof coating layer 2, directly construct successively on structure built by opencut method top board 1
The second water-repellent paint ground floor 3, first presss from both sides muscle cloth 4, the second water-repellent paint second layer 5, the second water-repellent paint the 3rd
Layer the 6, second folder muscle cloth 7, the second water-repellent paint the 4th layer 8, microlith layer 9, concrete cover 10., but this does
Method is only limitted to level of ground water and is positioned at below top elevation, and folder muscle cloth refers to the fabric with rib.
Claims (10)
1. one kind deep covers water structure built by opencut method waterproof roofing structure, it is characterised in that include structure built by opencut method top board, the first waterproof painting
The bed of material, the second waterproof coating layer, folder muscle cloth, concrete cover, the first waterproof coating layer is coated in structure built by opencut method
On top board, the second waterproof coating layer is coated in above the first waterproof coating layer, and arranges in the second waterproof coating layer
Folder muscle cloth, the second waterproof coating layer sprays microlith and constitutes microlith layer, top casting concrete protective layer.
The most according to claim 1 deeply cover water structure built by opencut method waterproof roofing structure, it is characterised in that described the second is waterproof
The second water-repellent paint ground floor that dope layer includes setting gradually, the second water-repellent paint second layer, the second are waterproof
Coating third layer, the second water-repellent paint the 4th layer, the second water-repellent paint ground floor is coated in the first water-repellent paint
The surface of layer, lays the first folder muscle cloth between the second water-repellent paint ground floor and the second water-repellent paint third layer, the
The 3rd waterproof coating layer and the 4th waterproof coating layer, the second water-repellent paint the 3rd is coated the most successively on two waterproof coating layers
Lay the second folder muscle cloth between layer and the second water-repellent paint the 4th layer, the 4th waterproof coating layer sprays microlith layer, carefully
Construction concrete cover in rock layers.
The most according to claim 1 and 2 deeply cover water structure built by opencut method waterproof roofing structure, it is characterised in that described folder muscle cloth
Refer to the fabric with rib.
The most according to claim 1 and 2 deeply cover water structure built by opencut method waterproof roofing structure, it is characterised in that the stone of microlith layer
Seed footpath 3～5mm.
The most according to claim 1 and 2 deeply cover water structure built by opencut method waterproof roofing structure, it is characterised in that each folder muscle cloth it
Between overlap joint not less than 100mm.
The most according to claim 1 and 2 deeply cover water structure built by opencut method waterproof roofing structure, it is characterised in that described the first
Waterproof coating layer is cement-based capillary crystalline waterproof coating layer.
The most according to claim 1 and 2 deeply cover water structure built by opencut method waterproof roofing structure, it is characterised in that the second is waterproof
Dope layer is polymer cement waterproof paint layer.
8. one kind deep covers water structure built by opencut method waterproof roofing construction method, it is characterised in that step is as follows:
(1), remove structure built by opencut method top board surface foreign material, and make basal plane coarse, with provide the most open capillary system in order to
In infiltration, finally use high pressure water flushing wash clean, be sufficiently humidified so as to basal plane, make basic unit keep humidity but without open fire；
(2), mix cement-based capillary crystalline waterproof coating, structure built by opencut method top board surface spraying application cement-base infiltration crystallization prevent
Water paint layer, has sprayed rear moisture-keeping maintaining；
(3) remove the particulate matter on cement-based capillary crystalline waterproof coating layer surface, mix the second water-repellent paint, utilize spraying to set
Standby the second water-repellent paint even application is formed the second water-repellent paint the at cement-based capillary crystalline waterproof coating layer end face
One layer, before the coating initial set of the second water-repellent paint ground floor, lay folder muscle cloth, spray the second water-repellent paint second layer, then
If spraying dried layer the second water-repellent paint is until needing thickness, uniformly spray thin before the superiors of the second water-repellent paint condense
Stone forms microlith layer, concrete cover of then constructing on microlith layer.
The most deeply cover water structure built by opencut method waterproof roofing construction method, it is characterised in that the second is prevented
Water paint is polymer cement waterproof paint.
The most deeply cover water structure built by opencut method waterproof roofing construction method, it is characterised in that mix cement
During based penetrant crystalline water-repellent paint, powder: water=1:0.6～0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407715.8A CN105951892A (en) | 2016-06-12 | 2016-06-12 | Deep-water-covered open-cut structure roof waterproof structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407715.8A CN105951892A (en) | 2016-06-12 | 2016-06-12 | Deep-water-covered open-cut structure roof waterproof structure and construction method thereof |
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| CN105951892A true CN105951892A (en) | 2016-09-21 |
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| CN201610407715.8A Pending CN105951892A (en) | 2016-06-12 | 2016-06-12 | Deep-water-covered open-cut structure roof waterproof structure and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770640A (en) * | 2016-11-25 | 2017-05-31 | 淮海工学院 | With the matching used laboratory testing rig of sub-bottom profiler |
| CN111794289A (en) * | 2020-06-16 | 2020-10-20 | 中交第三公路工程局有限公司 | Underground waterproof engineering construction method |
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| JPH10266368A (en) * | 1997-03-27 | 1998-10-06 | J C Composite Kk | Water proofing and corrosion proofing method of concrete |
| CN203238673U (en) * | 2013-03-21 | 2013-10-16 | 谢钢 | Novel settlement joint cement-based flexible water stop |
| CN104264562A (en) * | 2014-09-12 | 2015-01-07 | 上海市政工程设计研究总院（集团）有限公司 | Composite structure of top plate waterproof pavement layer of underground road under shallow burial soil |
| CN204172441U (en) * | 2014-09-12 | 2015-02-25 | 中国建筑第五工程局有限公司 | Hard and soft combination cement-base infiltration crystallization type water-proof coating |
| CN104514284A (en) * | 2013-10-08 | 2015-04-15 | 杜淑卿 | Waterproofing work technical process by spay-painting method |
| CN205894119U (en) * | 2016-06-12 | 2017-01-18 | 中铁隧道集团二处有限公司 | Cover water open cut structure top board waterproof structure deeply |
-
2016
- 2016-06-12 CN CN201610407715.8A patent/CN105951892A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10266368A (en) * | 1997-03-27 | 1998-10-06 | J C Composite Kk | Water proofing and corrosion proofing method of concrete |
| CN203238673U (en) * | 2013-03-21 | 2013-10-16 | 谢钢 | Novel settlement joint cement-based flexible water stop |
| CN104514284A (en) * | 2013-10-08 | 2015-04-15 | 杜淑卿 | Waterproofing work technical process by spay-painting method |
| CN104264562A (en) * | 2014-09-12 | 2015-01-07 | 上海市政工程设计研究总院（集团）有限公司 | Composite structure of top plate waterproof pavement layer of underground road under shallow burial soil |
| CN204172441U (en) * | 2014-09-12 | 2015-02-25 | 中国建筑第五工程局有限公司 | Hard and soft combination cement-base infiltration crystallization type water-proof coating |
| CN205894119U (en) * | 2016-06-12 | 2017-01-18 | 中铁隧道集团二处有限公司 | Cover water open cut structure top board waterproof structure deeply |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770640A (en) * | 2016-11-25 | 2017-05-31 | 淮海工学院 | With the matching used laboratory testing rig of sub-bottom profiler |
| CN111794289A (en) * | 2020-06-16 | 2020-10-20 | 中交第三公路工程局有限公司 | Underground waterproof engineering construction method |
| CN111794289B (en) * | 2020-06-16 | 2021-09-28 | 中交第三公路工程局有限公司 | Underground waterproof engineering construction method |
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Application publication date: 20160921 |