CN105649115A - Reinforced concrete foundation protection method and special device - Google Patents
Reinforced concrete foundation protection method and special device Download PDFInfo
- Publication number
- CN105649115A CN105649115A CN201610155532.1A CN201610155532A CN105649115A CN 105649115 A CN105649115 A CN 105649115A CN 201610155532 A CN201610155532 A CN 201610155532A CN 105649115 A CN105649115 A CN 105649115A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- concrete foundation
- grouting pipe
- polyethylene
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- E02D31/06—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 corrosion by soil or water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
- E02D2300/0009—PE
Abstract
The invention discloses a reinforced concrete foundation protection method. A polyethylene protection layer is pouredin a soil mass out of the side wall of a reinforced concrete foundation. The invention further discloses a special device for the protection method. Polyethylene slurry is pouredin four side walls of the reinforced concrete foundation and the surrounding soil mass, and has water resistance and chlorine ion and sulfate ion permeation resistance; and when the slurry permeates into the side of the reinforced concrete foundation, coarse-grained soil at the bottom of the reinforced concrete foundation can generate a filling cementing effect, so that the strength of the protection layer is prominently improved, and the effects of corrosive solution isolation and foundation corrosion prevention are effectively achieved.
Description
Technical field
The present invention relates to reinforced concrete technology field, especially a kind of reinforced concrete foundation means of defence that is applicable to corrosivity Soils In The Region structure, and protection special purpose device.
Background technology
For the reinforced concrete foundation of building in the soil texture that contains middle severe corrosive ion at some, reinforcing bar and concrete are wherein certainly existed to very large corrosion harmfulness; In existing engineering, conventionally adopt the cast-in-place board-like high grade basic engineering of heavy excavation, and in the measure of its outside coating High Performance Corrosion Protective Coatings, concrete operations are: adopt glass steel formwork and basic formed by integrally casting or employing " anticorrosion bag pile " to build for pile type foundation, adopt brushing HCPE anticorrosive paint to being located in moderate corrosion area pile type foundation at basic exposed parts. Above measure is time-consuming in construction takes a lot of work, engineering comprehensive cost is high, and the site operation difficult quality control term of validity is short.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of reinforced concrete foundation means of defence, easy and simple to handle, protection effect is good.
In order to realize foregoing invention object, the invention provides following technical scheme: a kind of reinforced concrete foundation means of defence pours into polyethylene overcoat outside reinforced concrete foundation sidewall in the soil body.
Further, in the time of reinforced concrete foundation initial set, in its surrounding soil body, grouting pipe is set, injects polyethylene protection slurry through described grouting pipe, form the polyethylene protective layer structure of sclerosis at reinforced concrete foundation outer wall.
Further, between described grouting pipe and described reinforced concrete foundation, be provided with gap.
The present invention also provides a kind of special purpose device of reinforced concrete foundation protection, comprises several grouting pipe, and described in several, grouting pipe is evenly arranged in the surrounding of described reinforced concrete foundation.
Further, the axially parallel of the axial and described reinforced concrete foundation of described grouting pipe.
Further, between described grouting pipe and described reinforced concrete foundation, be provided with gap.
Further, described grouting pipe sidewall is provided with pod apertures.
Compared with prior art, the present invention has the following advantages: in the soil body of reinforced concrete foundation surrounding sidewall and periphery, pour into polyethylene slurries, utilized polyethylene material to have water proofing property, anti-chlorion, sulfate ions permeate performance; Coarse-grained soil at the bottom of slurries infiltrate reinforced concrete foundation side, reinforced concrete foundation can produce Filling Cementation effect; its protective layer intensity is significantly improved; effectively play corrosive solution and the anticorrosion isolated effect in basis; these slurries and concrete have good cementability, have very strong acid and alkali resistance, salt characteristic, and the theoretical life-span was in 60 years.
Brief description of the drawings
Fig. 1 is the operating principle figure of reinforced concrete foundation means of defence of the present invention;
Fig. 2 is the special purpose device structural representation of reinforced concrete foundation protection of the present invention;
Fig. 3 is the sectional view of Fig. 2.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
As shown in Figure 1; dig pile foundation after judgement level of ground water luffing height to drawing; to between the foundation pit wall soil body that the reinforced concrete foundation 1 at position contacts with pile foundation near water; engineering polyethylene grouting pipe 2 is evenly set; protecting liquid to inject concrete surface polyethylene by polyethylene grouting pipe 2 is evenly distributed; realize in the soil body and dig the evenly certain thickness polyethylene protection layer of spraying of an armored concrete outer wall, the object of concrete foundation being carried out to permanence protection to drawing.
Wherein between polyethylene grouting pipe 2 and reinforced concrete foundation 1, be provided with gap; make also to contain in both soil body polyethylene protection liquid; produce Filling Cementation effect, its protective layer intensity is significantly improved, effectively play corrosive solution and the anticorrosion isolated effect in basis.
In the time of reinforced concrete foundation 1 initial set; polyethylene slurries are injected to concrete foundation hole wall soil horizon uniformly; by slurries filling, infiltration and the mode such as compacted; dope gel material is occupied to its position after moisture, Bas Discharged in basis and soil particle; by cementing between foundation pit wall and concrete foundation to original loose grogs, crack, cavity be overall; form intensity is large, compressibility is low, water resistance is high " calculus protective layer ", thereby reach in soil compared with isolating object between severe corrosive ion and concrete.
As shown in Figures 2 and 3, a kind of special purpose device of reinforced concrete foundation protection, comprises several grouting pipe 2, and described in several, grouting pipe 2 is evenly arranged in the surrounding of described reinforced concrete foundation 1; Surrounding perfusion polyethylene slurries by from grouting pipe 2 to described reinforced concrete foundation 1.
Pour into the degree of depth of polyethylene slurries, the axially parallel of the axial and described reinforced concrete foundation 1 of grouting pipe 2 for ensureing the surrounding of reinforced concrete foundation 1; Grouting pipe 2 sidewalls are provided with pod apertures 21.
The injection of polyethylene slurries is used for improving mechanism and comes from the solidifying of stake end and stake side, Filling Cementation and three kinds of effects of reinforcement. After slurries infiltrate pile bottom sediment and stake side mud skin, can there is physics chemical action and produce solidification effect, improve intensity, reduce settling amount; When slurries infiltrate stake side, the coarse-grained soil at the stake end can produce Filling Cementation effect, its protective layer intensity is significantly improved, effectively play corrosive solution and the anticorrosion isolated effect in basis. For transmission line of electricity is made a beginning in the research and the application that are located in middle severe corrosive soil region line tower foundation novel anticorrosion type technology.
Adopt the inventive method, pass through ± 1100kV extra-high voltage direct-current engineering is with built common-tower double-return road, Dunhuang to Hami 750kV power transmission sequence in area, Jiuquan to Anxi double back 750kV power transmission sequence, Hami to Zhengzhou ± 800kV extra high voltage direct current transmission line engineering and in Jiuquan of building to the design of many engineering constructions and the multianalysises of construction experience such as Hunan ± 800kV extra-high voltage direct-currents, determine and adopt grouting behind shaft or drift lining bored concrete pile (PPG) based process technology in being located in, concrete foundation preservative treatment technology research in severe corrosive soil environment, this technology belongs at home first Application and has the civil building field application prospect widely in corrosivity geological environment, feasible.
The invention has the advantages that, provide under different chemical ion etching strength conditions, anticorrosion grouting behind shaft or drift lining scope index and the basic type selecting Changing Pattern on basis, for designer provides design considerations, also for the overhead transmission line engineering foundation corrosion protection design of saline soil area provides certain reference significance. This construction technology successfully solves the technical barrier that is located in saline soil area transmission line of electricity concrete foundation corrosive process processing quality, this technology have economize on the use of funds, preservative treatment is easy to operate, quick facility, construction safety risk are low, highly versatile, guarantee technical performance index, specious effect significantly, the advantage such as technology reliability and long service life, fill up the antiseptic technological gap of domestic transmission line of electricity salinized soil concrete foundation, this technology can be widely used in the field basis protective treatment of work China Democratic National Construction Association.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a reinforced concrete foundation means of defence, is characterized in that: outside reinforced concrete foundation sidewall, in the soil body, pour into polyethylene overcoat.
2. reinforced concrete foundation means of defence as claimed in claim 1, it is characterized in that: in the time of reinforced concrete foundation initial set, in its surrounding soil body, grouting pipe is set, inject polyethylene protection slurry through described grouting pipe, form the polyethylene protective layer structure of sclerosis at reinforced concrete foundation outer wall.
3. reinforced concrete foundation means of defence as claimed in claim 2, is characterized in that: between described grouting pipe and described reinforced concrete foundation, be provided with gap.
4. a special purpose device for reinforced concrete foundation protection, is characterized in that: comprise several grouting pipe, described in several, grouting pipe is evenly arranged in the surrounding of described reinforced concrete foundation.
5. the special purpose device that reinforced concrete foundation protects as claimed in claim 4, is characterized in that: the axially parallel of the axial and described reinforced concrete foundation of described grouting pipe.
6. the special purpose device of reinforced concrete foundation protection as described in claim 4 or 5, is characterized in that: between described grouting pipe and described reinforced concrete foundation, be provided with gap.
7. the special purpose device of stating as claimed in claim 6 reinforced concrete foundation protection, is characterized in that: described grouting pipe sidewall is provided with pod apertures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155532.1A CN105649115A (en) | 2016-03-18 | 2016-03-18 | Reinforced concrete foundation protection method and special device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155532.1A CN105649115A (en) | 2016-03-18 | 2016-03-18 | Reinforced concrete foundation protection method and special device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649115A true CN105649115A (en) | 2016-06-08 |
Family
ID=56494622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610155532.1A Pending CN105649115A (en) | 2016-03-18 | 2016-03-18 | Reinforced concrete foundation protection method and special device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105649115A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049556A (en) * | 2016-08-10 | 2016-10-26 | 上海市城市建设设计研究总院 | Erosive wear preventing structure for pile foundation |
| CN106284433A (en) * | 2016-08-22 | 2017-01-04 | 陕西水木盛元科技工程有限责任公司 | A kind of saline soil area concrete foundation LP blades protective layer is constructed into covering device |
| CN106320388A (en) * | 2016-08-22 | 2017-01-11 | 中铁第勘察设计院集团有限公司 | Construction process and method for erosion-resistant protective layer of concrete foundation in salty soil zone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04306324A (en) * | 1991-04-02 | 1992-10-29 | Toda Constr Co Ltd | Corrosion proof method for foundation pile |
| CN104131551A (en) * | 2014-08-08 | 2014-11-05 | 青岛海川建设集团有限公司 | Anticorrosion coating of precast pile foundation for silt soil complicated geology and method |
| CN204343286U (en) * | 2014-11-28 | 2015-05-20 | 中油辽河工程有限公司 | A kind of steel pipe pile support |
| CN204982978U (en) * | 2015-09-23 | 2016-01-20 | 潍坊友容实业有限公司 | Saline and alkaline land land used buries formula building piece |
-
2016
- 2016-03-18 CN CN201610155532.1A patent/CN105649115A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04306324A (en) * | 1991-04-02 | 1992-10-29 | Toda Constr Co Ltd | Corrosion proof method for foundation pile |
| CN104131551A (en) * | 2014-08-08 | 2014-11-05 | 青岛海川建设集团有限公司 | Anticorrosion coating of precast pile foundation for silt soil complicated geology and method |
| CN204343286U (en) * | 2014-11-28 | 2015-05-20 | 中油辽河工程有限公司 | A kind of steel pipe pile support |
| CN204982978U (en) * | 2015-09-23 | 2016-01-20 | 潍坊友容实业有限公司 | Saline and alkaline land land used buries formula building piece |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049556A (en) * | 2016-08-10 | 2016-10-26 | 上海市城市建设设计研究总院 | Erosive wear preventing structure for pile foundation |
| CN106049556B (en) * | 2016-08-10 | 2018-01-02 | 上海市城市建设设计研究总院（集团）有限公司 | Pile foundation protection against erosion denudes structure |
| CN106284433A (en) * | 2016-08-22 | 2017-01-04 | 陕西水木盛元科技工程有限责任公司 | A kind of saline soil area concrete foundation LP blades protective layer is constructed into covering device |
| CN106320388A (en) * | 2016-08-22 | 2017-01-11 | 中铁第勘察设计院集团有限公司 | Construction process and method for erosion-resistant protective layer of concrete foundation in salty soil zone |
| CN106284433B (en) * | 2016-08-22 | 2018-05-01 | 陕西水木盛元科技工程有限责任公司 | A kind of saline soil area concrete foundation LP blades protective layer construction complexes |
| CN106320388B (en) * | 2016-08-22 | 2018-05-01 | 中铁第一勘察设计院集团有限公司 | Saline soil area concrete foundation LP blades protective layer construction technology and engineering method |
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Application publication date: 20160608 |
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| RJ01 | Rejection of invention patent application after publication |