CN108930292A - The method that a kind of pair of new-old concrete interface carries out water-proofing treatment - Google Patents
The method that a kind of pair of new-old concrete interface carries out water-proofing treatment Download PDFInfo
- Publication number
- CN108930292A CN108930292A CN201710389570.8A CN201710389570A CN108930292A CN 108930292 A CN108930292 A CN 108930292A CN 201710389570 A CN201710389570 A CN 201710389570A CN 108930292 A CN108930292 A CN 108930292A
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- Prior art keywords
- interface
- old concrete
- new
- grouting pipe
- concrete
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- 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
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
Abstract
The present invention relates to concrete construction waterproof construction technical field, the method for carrying out water-proofing treatment in particular to a kind of pair of new-old concrete interface.Old concrete interface is cleaned, then by its dabbing；Water expandable waterstop is installed on the old concrete interface of dabbing；Grouting pipe is arranged in old concrete interface；It builds template and pours novel concrete, grouting pipe and sealing rod are poured in novel concrete；After novel concrete is stablized, pointing is injected into grouting pipe；Waterproof sealing filleting is arranged in new, old concrete upper end in form removal and grouting pipe.Interface processing method simple process of the invention, sealed waterproof effect is good, can apply various new-old concrete connection areas, have great promotional value.
Description
Technical field
The present invention relates to concrete construction waterproof construction technical fields, carry out in particular to a kind of pair of new-old concrete interface
The method of water-proofing treatment.
Background technique
In the underground structures such as subway, the underground space, frequently encounters newly-built structure and docked with original structure or reserving hole
The problems such as need to permanently blocking.There are inevitable construction joints with the concrete newly poured for original concrete structure, so that new and old
The problems such as infiltration, leak are generated between the concrete poured.Influence subway, the underground space are isostructural durable and use.
The prior art generally requires the setting waterproof sealing structure at new-old concrete joint face.Patent No.
The middle promulgated by the State Council of entitled " waterproof constitution methods and structure of telescopic seam between new and old concrete building joints " of " 200510200165.4 "
Bright patent, the patent describe a kind of waterproof sealing structure of new-old concrete seam crossing, this method in old concrete by connecing
Seam face dabbing, then pastes sealing rod on joint face, then pours novel concrete by template face of joint face, passes through sealing rod
Form waterproof sealing structure.Such structure can play the role of certain waterproof sealing, but find in actual use, in this way
Structurally waterproof sealing effect it is limited, actually still there are some gaps on new-old concrete joint face, it is difficult to reach
Preferable sealed waterproof effect.
Summary of the invention
Present invention aim to the waterproof sealing structure effects for the prior art for solving to mention in above-mentioned background technique
General problem provides the method that a kind of pair of new-old concrete interface carries out water-proofing treatment.
The technical scheme is that：The method that a kind of pair of new-old concrete interface carries out water-proofing treatment, it is characterised in that：
The method includes the following steps：
1), old concrete interface is cleaned, then by its dabbing；
2) water expandable waterstop arranged in the horizontal direction, is installed on the old concrete interface of dabbing；
3), in old concrete interface, arrangement can be to the grouting pipe of new-old concrete uniform cross injection filling material；
4) it, builds template and pours novel concrete on old concrete interface, grouting pipe and sealing rod are poured in new mixed
In solidifying soil；
5), after novel concrete is stablized, pointing is injected uniformly to new-old concrete interface by grouting pipe；
6) waterproof sealing filleting is arranged in new, old concrete upper end in, form removal and grouting pipe.
In the further step 1, the method for carrying out dabbing to interface is：After the completion of the cleaning of old concrete interface,
Interface is dug into toothing structure.
In the further step 2, the method for installing water expandable waterstop is：Sealing rod is glued by adhesive
It is attached on the interface of old concrete, cement nail is squeezed on sealing rod, sealing rod is anchored on old concrete interface.
At least two sealings along interface length direction arrangement are installed on the interface of the further old concrete
Item, thickness direction arranged for interval of the adjacent sealing rod along old concrete interface.
In the further step 3, in old concrete interface, the method for arrangement grouting pipe is：In old concrete
Grouting pipe is arranged in interface, and length direction of the grouting pipe along interface is arranged, is communicated with more Grouting Pipes in grouting pipe, will
The input end of Grouting Pipe reaches the top at old concrete interface.
The further grouting pipe includes nylon jacket and the hard for being used to support nylon jacket in nylon jacket
Plastic core pipe；Offer multiple injected holes on the circumferential side wall of the plastic core pipe, the periphery face of plastic core pipe with
Rubber grain is provided between the inside circumference face of nylon jacket.
The further grouting pipe is between adjacent sealing rod.
In the further step 5, pointing is injected uniformly to new-old concrete interface by grouting pipe
Method be：Acrylate grout is injected into Grouting Pipe, salt slurries are sufficiently infiltrated by grouting pipe to new-old concrete circle
The everywhere in face makes sealing rod absorb expansion plugging new-old concrete joint gap after salt slurries.
In the further step 6, it is in the method for new, old concrete upper end setting waterproof sealing filleting：?
New-old concrete is cut in the upper end of new-old concrete, the U-type groove extended along interface length direction is formed, in U-type groove
Filled polyurethane sealant forms sealing filleting.
In the further step 6, the method for removing grouting pipe is：Grouting Pipe is exposed above novel concrete
Part cut off, complete the dismounting of grouting pipe.
Advantages of the present invention has：1, by setting rainwater expansion sealing strip, can after wash water the new and old coagulation of expansion blockage
Native joint gap forms first layer hermetic water-proof structure；
2, by filling waterproof and sealing material between new-old concrete, first is that the anti-watertight of the second layer is formed after capable of agglomerating
Seal structure, second is that sealing rod can be made to expand；
3, by the way that U-type groove is arranged in the upper end of new-old concrete, arrange that high modulus polyurethane sealant is formed in U-type groove
Third layer hermetic water-proof structure.
New-old concrete interface processing method simple process of the invention, sealed waterproof effect is good, can be using various new
Old concrete connection area has great promotional value.
Detailed description of the invention
Fig. 1：Structural schematic diagram of the invention；
Fig. 2：Sealing rod mounting structure schematic diagram of the invention；
Fig. 3：Filleting structural schematic diagram of the invention；
Fig. 4：The arragement construction schematic diagram of grouting pipe and sealing rod of the invention；
Fig. 5：The schematic cross-sectional view of grouting pipe of the invention；
Wherein：1-old concrete；2-novel concretes；3-sealing rods；4-grouting pipes；4.1-nylon jackets；4.2—
Plastics hard core pipe；4.3-injected holes；4.4-rubber grains；5-Grouting Pipes；6-filletings；7-cement nails.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Such as Fig. 1~5, current embodiment require that first clearing up the interface of old concrete 1, the sundries that will be attached on interface
It cleans up, then by the interface dabbing of old concrete 1, is dug into saw-tooth-type structures, increase surface area.
For the sealing rod 3 of the present embodiment as shown in Fig. 2, being fixed on the interface of dabbing by cement nail 7, sealing rod 3 is to meet
Water swellable rubber water-proof item, sealing rod 3 are hemispherical dome structure.Sealing rod 3 is the first layer waterproof sealing structure of the present embodiment.
At least two are equipped on the interface of old concrete 1, and along interface length direction, (length direction of the present embodiment refers to vertical view in Fig. 1
The direction of paper, up and down direction of the thickness direction into Fig. 1) arrangement sealing rod 3, adjacent sealing rod 3 is along 1 interface of old concrete
Thickness direction arranged for interval.
After the completion of novel concrete 2 pours, to acrylate grout is filled between new-old concrete, acrylate grout is abundant
The everywhere between new-old concrete is infiltrated, further waterproof sealing can be carried out to new-old concrete contact position gap,
Acrylate grout is the second layer waterproof sealing structure of the present embodiment.In addition, acrylate grout is infiltrated to new-old concrete
Between everywhere after, 3 absorbing propenoic acid salt slurries of sealing rod being capable of rapid expanding.
The present embodiment is this implementation by realizing to grouting pipe to acrylate grout is filled between new-old concrete
The grouting pipe structure of example is as shown in figure 4, include the horizontally disposed grouting pipe 4 of length direction along interface, grouting pipe 4 is most
It is directly cast in novel concrete 2 afterwards.
As described in figures 1 and 5, grouting pipe 4 is arranged in the horizontal direction, including nylon jacket 4.1 and be located at nylon jacket 4.1 in
The rigid plastics core pipe 4.2 for being used to support nylon jacket 4.1, offer multiple slip casting on the circumferential side wall of plastic core pipe 4.2
Hole 4.3 is provided with rubber grain 4.4 between the periphery face of plastic core pipe 4.2 and the inside circumference face of nylon jacket 4.1.Third
Olefin(e) acid salt slurries are flowed into the everywhere between new-old concrete from injected hole 4.3.
More Grouting Pipes 5 are communicated in grouting pipe 4,5 lower end of Grouting Pipe is connected to grouting pipe 4, and the upper end reaches
The top of old concrete 1 after the completion of novel concrete 2 pours, by injecting acrylate grout into Grouting Pipe 5, makes acrylic acid
Salt slurries, between new-old concrete, complete the arrangement of second layer waterproof sealing structure by the sufficiently infiltration of grouting pipe 4.
The grouting pipe 4 of the present embodiment can guarantee that all sealing rods 3 can between adjacent sealing rod 3 in this way
Sufficiently acrylate grout is arrived in infiltration.
After novel concrete 2 is stablized, the upper end position by cutting equipment at interface is slotted, by new, old concrete
The position of upper surface close to interface upper end is slotted, and forms U-shaped groove-like structure, the poly- ammonia of high-modulus is then filled into U-type groove
Ester sealant can form third layer waterproof sealing structure in the upper end at interface.
When practice of construction, 1,1 interface of old concrete is cleaned, interface is dug into toothing structure, is increased new and old mixed
Coagulate the contact area of soil；
2, water expandable waterstop 3 is installed on 1 interface of the old concrete of dabbing, now glues sealing rod 3 by adhesive
It is attached on interface, sealing rod 3 is then passed through by cement nail 7, sealing rod 3 is fixed on interface；
3, grouting pipe is arranged in 1 interface of old concrete, the length direction by grouting pipe 4 along interface is horizontally disposed,
The upper end of Grouting Pipe 5 reaches the top of old concrete 1；
4, it builds template and pours novel concrete 2, grouting pipe and sealing rod 3 are poured in novel concrete 2；
5, after novel concrete 2 is stablized, acrylate grout is injected into grouting pipe, soaks acrylate grout sufficiently
Moisten to the everywhere between new-old concrete；
6, Grouting Pipe 5 is exposed the part on novel concrete 2 and is truncated, new, old concrete interface by form removal
Upper end is cut into filleting 6, and high modulus polyurethane sealant is then injected in filleting 6, completes the processing of interface waterproof sealing.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. the method that a kind of pair of new-old concrete interface carries out water-proofing treatment, it is characterised in that：The method includes following step
Suddenly：
1), old concrete (1) interface is cleaned, then by its dabbing；
2), the water expandable waterstop (3) arranged in the horizontal direction is installed on the old concrete of dabbing (1) interface；
3), in old concrete (1) interface, arrangement can be to the grouting pipe of new-old concrete uniform cross injection filling material；
4), build template and pour novel concrete (2) on old concrete (1) interface, by grouting pipe and sealing rod (3) pour in
In novel concrete (2)；
5), after novel concrete (2) stablize, pointing is injected uniformly to new-old concrete interface by grouting pipe；
6) waterproof sealing filleting (6) are arranged in new, old concrete upper end in, form removal and grouting pipe.
2. the method that a kind of pair of new-old concrete interface as described in claim 1 carries out water-proofing treatment, it is characterised in that：It is described
Step 1 in, to interface carry out dabbing method be：After the completion of the cleaning of old concrete (1) interface, interface is dug into toothing knot
Structure.
3. the method that a kind of pair of new-old concrete interface as described in claim 1 carries out water-proofing treatment, it is characterised in that：It is described
Step 2 in, installation water expandable waterstop (3) method be：Sealing rod (3) is pasted onto old concrete by adhesive
(1) on interface, cement nail (7) is squeezed on sealing rod (3), sealing rod (3) is anchored on old concrete (1) interface.
4. the method that a kind of pair of new-old concrete interface as claimed in claim 3 carries out water-proofing treatment, it is characterised in that：It is described
Old concrete (1) interface on be equipped at least two along interface length direction arrangement sealing rods (3), adjacent sealing rod
(3) along the thickness direction arranged for interval at old concrete (1) interface.
5. the method that a kind of pair of new-old concrete interface as described in claim 1 carries out water-proofing treatment, it is characterised in that：It is described
Step 3 in, old concrete (1) interface arrangement grouting pipe method be：It is arranged in old concrete (1) interface horizontal
Grouting pipe (4), length direction of the grouting pipe (4) along interface is arranged, is communicated with more Grouting Pipes (5) in grouting pipe (4),
The input end of Grouting Pipe (5) is reached to the top at old concrete (1) interface.
6. the method that a kind of pair of new-old concrete interface as claimed in claim 5 carries out water-proofing treatment, it is characterised in that：It is described
Grouting pipe (4) include nylon jacket (4.1) and be located at nylon jacket (4.1) in be used to support nylon jacket (4.1) hard modeling
Expect core pipe (4.2)；Multiple injected holes (4.3), plastic core pipe are offered on the circumferential side wall of the plastic core pipe (4.2)
(4.2) rubber grain (4.4) are provided between the inside circumference face in periphery face and nylon jacket (4.1).
7. the method that a kind of pair of new-old concrete interface as claimed in claim 5 carries out water-proofing treatment, it is characterised in that：It is described
Grouting pipe (4) between adjacent sealing rod (3).
8. the method that a kind of pair of new-old concrete interface as described in claim 1 carries out water-proofing treatment, it is characterised in that：It is described
Step 5 in, be to the method that new-old concrete interface injects uniformly pointing by grouting pipe：To Grouting Pipe (5)
Interior injection acrylate grout, salt slurries are arrived the everywhere at new-old concrete interface by grouting pipe (4) sufficiently infiltration, make to stop
Water bar (3) absorbs expansion plugging new-old concrete joint gap after salt slurries.
9. the method that a kind of pair of new-old concrete interface as described in claim 1 carries out water-proofing treatment, it is characterised in that：It is described
Step 6 in, new, old concrete upper end setting waterproof sealing filleting (6) method be：In the upper end pair of new-old concrete
New-old concrete is cut, and the U-type groove extended along interface length direction, the filled polyurethane sealant shape in U-type groove are formed
At sealing filleting (6).
10. the method that a kind of pair of new-old concrete interface as described in claim 1 carries out water-proofing treatment, it is characterised in that：Institute
In the step 6 stated, the method for removing grouting pipe is：The part that Grouting Pipe (5) expose above novel concrete (2) is cut off,
Complete the dismounting of grouting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710389570.8A CN108930292A (en) | 2017-05-27 | 2017-05-27 | The method that a kind of pair of new-old concrete interface carries out water-proofing treatment |
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| CN201710389570.8A CN108930292A (en) | 2017-05-27 | 2017-05-27 | The method that a kind of pair of new-old concrete interface carries out water-proofing treatment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629845A (en) * | 2019-01-11 | 2019-04-16 | 中国冶集团有限公司 | Concrete structure seam areas leakage treatment device and its construction method |
| CN110004886A (en) * | 2019-05-15 | 2019-07-12 | 中国电建集团中南勘测设计研究院有限公司 | Asphaltic concrete core wall basement construction method and its structure |
| CN110067311A (en) * | 2019-05-14 | 2019-07-30 | 长江勘测规划设计研究有限责任公司 | The connection structure and method of new-old concrete component junction |
| CN110258649A (en) * | 2019-07-12 | 2019-09-20 | 中冶天工集团有限公司 | One kind, which connects, builds engineering Underground Construction seam water-tight device and construction method |
| CN110387887A (en) * | 2019-06-28 | 2019-10-29 | 同济大学建筑设计研究院(集团)有限公司 | It is oriented to the construction method of partition wall and its construction method and foundation pit enclosure structure |
| CN110607921A (en) * | 2019-09-23 | 2019-12-24 | 周伟 | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure |
| CN110778206A (en) * | 2019-10-21 | 2020-02-11 | 中国建筑第八工程局有限公司 | Method for reinforcing ultrahigh-brick chimney |
| CN111851323A (en) * | 2020-07-07 | 2020-10-30 | 汕头大学 | Novel concrete joint structure and construction process |
| CN112412131A (en) * | 2020-10-30 | 2021-02-26 | 上海市政工程设计研究总院（集团）有限公司 | Structure and method for constructing the same |
| CN112609746A (en) * | 2020-12-11 | 2021-04-06 | 中国建筑第五工程局有限公司 | New and old basement joint concrete waterproof component and construction method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629845A (en) * | 2019-01-11 | 2019-04-16 | 中国冶集团有限公司 | Concrete structure seam areas leakage treatment device and its construction method |
| CN110067311B (en) * | 2019-05-14 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Connection structure and method for joint of new and old concrete members |
| CN110067311A (en) * | 2019-05-14 | 2019-07-30 | 长江勘测规划设计研究有限责任公司 | The connection structure and method of new-old concrete component junction |
| CN110004886A (en) * | 2019-05-15 | 2019-07-12 | 中国电建集团中南勘测设计研究院有限公司 | Asphaltic concrete core wall basement construction method and its structure |
| CN110387887A (en) * | 2019-06-28 | 2019-10-29 | 同济大学建筑设计研究院(集团)有限公司 | It is oriented to the construction method of partition wall and its construction method and foundation pit enclosure structure |
| CN110258649A (en) * | 2019-07-12 | 2019-09-20 | 中冶天工集团有限公司 | One kind, which connects, builds engineering Underground Construction seam water-tight device and construction method |
| CN110607921A (en) * | 2019-09-23 | 2019-12-24 | 周伟 | Automatic repairing leakage stoppage treatment method and waterproof leakage stoppage structure |
| CN110778206A (en) * | 2019-10-21 | 2020-02-11 | 中国建筑第八工程局有限公司 | Method for reinforcing ultrahigh-brick chimney |
| CN110778206B (en) * | 2019-10-21 | 2023-02-28 | 中国建筑第八工程局有限公司 | Method for reinforcing ultrahigh-brick chimney |
| CN111851323B (en) * | 2020-07-07 | 2022-03-22 | 汕头大学 | Construction process for manufacturing concrete joint structure |
| CN111851323A (en) * | 2020-07-07 | 2020-10-30 | 汕头大学 | Novel concrete joint structure and construction process |
| CN112412131A (en) * | 2020-10-30 | 2021-02-26 | 上海市政工程设计研究总院（集团）有限公司 | Structure and method for constructing the same |
| CN112609746A (en) * | 2020-12-11 | 2021-04-06 | 中国建筑第五工程局有限公司 | New and old basement joint concrete waterproof component and construction method thereof |
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Application publication date: 20181204 |
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| RJ01 | Rejection of invention patent application after publication |