CN202369997U - Flexible bag type anti-corrosive pile - Google Patents
Flexible bag type anti-corrosive pile Download PDFInfo
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- CN202369997U CN202369997U CN2011205647749U CN201120564774U CN202369997U CN 202369997 U CN202369997 U CN 202369997U CN 2011205647749 U CN2011205647749 U CN 2011205647749U CN 201120564774 U CN201120564774 U CN 201120564774U CN 202369997 U CN202369997 U CN 202369997U
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- flexible bag
- pile
- stake
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- pipeline
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Abstract
The utility model discloses a flexible bag type anti-corrosive pile which comprises a reinforcement cage and a concrete pile body poured in the reinforcement cage and further comprises a flexible bag body covered on the reinforcement cage and the concrete pile body. The bottom of the flexible bag body is connected with a sealed base, a vertically arranged pile bottom mud-jacking pipeline is pre-embedded in the concrete pile body, the upper end of the pile bottom mud-jacking pipeline extends out of the concrete pile body, and the lower end of the pile bottom mud-jacking pipeline extends out of the sealed base. A horizontally arranged pile side mud-jacking pipeline is pre-embedded in the concrete pile body, two ends of the pile side mud-jacking pipeline extend out of the flexible bag body, the pile side mud-jacking pipeline is connected with a vertically arranged connecting pipeline, the upper end of the connecting pipeline extends out of the concrete pile body, and the lower end of the connecting pipeline is communicated with the pile side mud-jacking pipeline. The flexible bag type anti-corrosive pile has long-term reliable anti-corrosive performance and is high in bearing capacity, good in anti-corrosive performance, low in fabricating cost and convenient to popularize and use.
Description
Technical field
The utility model relates to a kind of construction work and uses pile body, particularly relates to the anticorrosion stake of a kind of flexible pocket type.
Background technology
At present; In the highly corrosive stratum, build, the endurance issues of structure extensively paid attention to by engineering construction person, owner and government; The actual useful year of many industry and civilian construction, road and bridge, electric power and industrial construction infrastructure projects is all far below design service life, and corrosion stratum corrosive ion and underground water make later period maintenance costly to the burn into corrosion function of constructional materials equally.Build in a large number, structure use investigation and experimental study to show, concrete, steel receive the burn into corrosion function for a long time in the building foundation in highly corrosive area, intensity and the stability of building foundation greatly reduce, to application life, cause very big harm safely.Use always at present and be coated with measures such as epoxy resin, grease, receive the materials ' durability influence, application life is limited; Measures such as the epoxy resin cover that adopts in addition, malthoid isolation, cost is high, and effect is not too desirable, all is lower than building application life application life, needs to change.Equally, the anticorrosion of highly corrosive area pile foundation engineering and endurance issues also are the great difficult problems that must solve.
Mainly there is following problem in anticorrosion stake in the height corrosion stratum: one, the ordinary reinforced concrete pile foundation receives the chemical attack on corrosivity stratum and physical erosion effect serious, causes pile foundation to shorten normal application life.Two, the fiber-reinforced composite clad type aseptic technic of using in the bridge engineering has durability preferably, but mainly is applicable to preformed pile, and cost is high, and range of application is limited.Three, adopt anticorrosive concrete to constitute the mode of pile body, though can satisfy erosion-resisting requirement, corresponding pile foundation cost is much higher than ordinary reinforced concrete structure.Four, adopt and to have earlier that anti-corrosion material commonly used, anticorrisive agent wrap up, the spray treatment technology, engineering piles is protected, often can only accomplish the part, and working procedure is loaded down with trivial details, effect is unsatisfactory.In order to solve the difficult problem of above corrosivity stratum to concrete structure harm, be badly in need of research and development and have applicability, can be widely used in anticorrosive new technology in the pile foundations such as all types of industries and civil building engineering, traffic engineering.
The utility model content
The purpose of the utility model is to overcome above-mentioned deficiency of the prior art, provides a kind of flexible pocket type anticorrosion stake.The anticorrosion stake of this flexibility pocket type has antiseptic property reliably and with long-term, and bearing capacity is high, and corrosion resistance is good, and is cheap, is convenient to promote the use of.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: the anticorrosion stake of flexible pocket type; Comprise reinforcing cage and the concrete pile body that is cast in the reinforcing cage, it is characterized in that: also comprise the flexible bag that is used for reinforcing cage and concrete pile body parcel, the bottom of said flexible bag is connected with the sealing collet; Be embedded with the pile base grouting pipeline of vertical laying in the said concrete pile body; The concrete pile body is stretched out in the upper end of said pile base grouting pipeline, and the sealing collet is stretched out in the lower end of said pile base grouting pipeline, the stake side pressure slurry pipeline that the level that is embedded with in the said concrete pile body is laid; Flexible bag is all stretched out at the two ends of said stake side pressure slurry pipeline; Be connected with the connecting line of vertical laying on the said stake side pressure slurry pipeline, the concrete pile body is stretched out in the upper end of said connecting line, the lower end of said connecting line and stake side pressure slurry pipeline connection.
The anticorrosion stake of above-mentioned flexible pocket type is characterized in that: the sidewall of said flexible bag comprises hyposmosis coefficient geotechnique layer of cloth one, anti-corrosion leak-proof expansion agent layer one and the high transmission coefficient geotechnique layer of cloth one that ecto-entad sets gradually.
The anticorrosion stake of above-mentioned flexible pocket type is characterized in that: said sealing collet comprises hyposmosis coefficient geotechnique layer of cloth two, anti-corrosion leak-proof expansion agent layer two and the high transmission coefficient geotechnique layer of cloth two that sets gradually from bottom to top.
The anticorrosion stake of above-mentioned flexible pocket type is characterized in that: be provided with sealing joint strip between said stake side pressure slurry pipeline and the sealing collet.
The anticorrosion stake of above-mentioned flexible pocket type, it is characterized in that: the inner surface and the external surface of said flexible bag are matsurface.
The anticorrosion stake of above-mentioned flexible pocket type is characterized in that: the inner surface and the external surface of the inner surface of said flexible bag and external surface and sealing collet are provided with a plurality of lug, nibs or groove.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, and novel and reasonable design is easy to install.
2, the utility model can effectively make the corrosive ion in pile body and the corrosivity stratum isolate, and protects pile concrete and reinforcing bar, can significantly improve the service life of pile body, reduces the high maintenance cost of pile foundation in the corrosivity stratum.
3, the realization cost of the utility model is low, and result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, novel and reasonable design, and functional reliability is high; Long service life, and should the anticorrosion stake of flexibility pocket type have antiseptic property reliably and with long-term, bearing capacity is high, and corrosion resistance is good; Cheap, result of use is good, is convenient to promote the use of.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the internal construction sketch map of the utility model flexible pouch body sidewall.
Fig. 3 is the structural representation of the utility model sealing collet longitudinal section.
Description of reference numerals:
The flexible bag of 1-; 1-1-hyposmosis coefficient geotechnique layer of cloth one;
1-2-anti-corrosion leak-proof expansion agent layer one; The high transmission coefficient geotechnique of 1-3-layer of cloth one;
2-seals collet; 2-1-hyposmosis coefficient geotechnique layer of cloth two;
2-2-anti-corrosion leak-proof expansion agent layer two; The high transmission coefficient geotechnique of 2-3-layer of cloth two;
3-pile base grouting pipeline; 4-stake side pressure slurry pipeline;
The 5-sealing joint strip; The 6-reinforcing cage;
7-slurries pond; 8-stake side injecting cement paste;
9-pile body injecting cement paste; 10-concrete pile body;
The control table of 11-pressure; The 12-connecting line;
13-grout pipe line one; 14-grout pipe line two.
The specific embodiment
The anticorrosion stake of a kind of flexible pocket type as shown in Figure 1; Comprise reinforcing cage 6 and the concrete pile body 10 that is cast in the reinforcing cage 6, comprise also being used for that the bottom of said flexible bag 1 is connected with sealing collet 2 the flexible bag 1 of reinforcing cage 6 with concrete pile body 10 parcels; Be embedded with the pile base grouting pipeline 3 of vertical laying in the said concrete pile body 10; Concrete pile body 10 is stretched out in the upper end of said pile base grouting pipeline 3, and sealing collet 2 is stretched out in the lower end of said pile base grouting pipeline 3, the stake side pressure slurry pipeline 4 that the level that is embedded with in the said concrete pile body 10 is laid; Flexible bag 1 is all stretched out at the two ends of said stake side pressure slurry pipeline 4; Be connected with the connecting line 12 of vertical laying on the said stake side pressure slurry pipeline 4, concrete pile body 10 is stretched out in the upper end of said connecting line 12, and the lower end of said connecting line 12 is communicated with stake side pressure slurry pipeline 4.
During use, at first, pore-forming proposes the stake hole to projected depth with drilling rod and drill bit in the foundation pile position; Then; Flexible bag 1 is coated on outside the reinforcing cage 6, and sealing collet 2 is sealedly connected on flexible bag 1 bottom, transfers to the stake hole with reinforcing cage 6; Wherein pile base grouting pipeline 3 is fixed on reinforcing cage 6 inwalls; The two ends of stake side pressure slurry pipeline 4 are fixed on the wall of flexible bag 1, the hot strength >=600N/100mm of said flexible bag 1 and sealing collet 2, elongation rate under the maximum load >=10%; Then, the flexible bag 1 inner continous pouring concrete in the stake hole is to the designing requirement absolute altitude; Next, in 2～5 days, utilize pre-buried mud jacking pipeline slip casting behind the pile; Concrete; The upper end of said pile base grouting pipeline 3 is connected with grout pipe line 1, and grout pipe line 1 is connected with slurries pond 7 and the slurries in the slurries pond 7 are delivered to sealing collet 2 bottoms, thereby forms pile body injecting cement paste 9; Simultaneously; The upper end of connecting line 12 is connected with grout pipe line 2 14, and grout pipe line 2 14 is connected with slurries pond 7 and the slurries in the slurries pond 7 are delivered between flexible bag 1 and the stake hole to form a stake side injecting cement paste 8, and a side slip casting termination pressure is not less than 1.0MPa; The pile grouting termination pressure is not less than 1.5Mpa, on said grout pipe line 1 and the grout pipe line 2 14 pressure control table 11 is installed all; At last; After reaching design strength and require to pile body; Pile crown shaved cut a hole,, be specially and irritate alkaline excitation cement grout, polymer cement mortar or the polymer slurries back of condensing in the stake top casting and constitute the sealing corrosion pile cover if end cushion cap pile head is done preservative treatment to design elevation; Preservative treatment can not be done in high cushion cap stake.
As shown in Figure 2, the sidewall of said flexible bag 1 comprises hyposmosis coefficient geotechnique layer of cloth one 1-1, anti-corrosion leak-proof expansion agent layer one 1-2 and high transmission coefficient geotechnique layer of cloth one 1-3 that ecto-entad sets gradually.Said anti-corrosion leak-proof expansion agent for receiving base bentonite, adds suitable anticorrosive additive to end bearing pile anti-corrosion leak-proof expansion agent main component, can suitably add cement on this basis to Piles for Friction Piles and improve the intensity after expansion agent solidifies.
As shown in Figure 3, said sealing collet 2 comprises hyposmosis coefficient geotechnique layer of cloth two 2-1, anti-corrosion leak-proof expansion agent layer two 2-2 and high transmission coefficient geotechnique layer of cloth two 2-3 that set gradually from bottom to top.
As shown in Figure 1, be provided with sealing joint strip 5 between said stake side pressure slurry pipeline 4 and the sealing collet 2, through sealing joint strip 5 is set, strengthened flexible bag 1 and the sealing that seals collet 2, further avoided the entering of external corrosion material.The inner surface and the external surface of said flexible bag 1 are matsurface.Inner surface and the external surface of the inner surface of said flexible bag 1 and external surface and sealing collet 2 are provided with a plurality of lug, nibs or groove, and what strengthened flexible bag 1 and side injecting cement paste 8 like this and sealed collet 2 and pile body injecting cement paste 9 is connected compactness and bonding strength.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of the utility model technical scheme.
Claims (6)
1. the anticorrosion stake of flexible pocket type; Comprise reinforcing cage (6) and be cast in the concrete pile body (10) in the reinforcing cage (6); It is characterized in that: also comprise the flexible bag (1) that is used for reinforcing cage (6) and concrete pile body (10) parcel; The bottom of said flexible bag (1) is connected with sealing collet (2), is embedded with the pile base grouting pipeline (3) of vertical laying in the said concrete pile body (10), and concrete pile body (10) is stretched out in the upper end of said pile base grouting pipeline (3); Sealing collet (2) is stretched out in the lower end of said pile base grouting pipeline (3); The stake side pressure slurry pipeline (4) that the level that is embedded with in the said concrete pile body (10) is laid, flexible bag (1) is all stretched out at the two ends of said stake side pressure slurry pipeline (4), is connected with the connecting line (12) of vertical laying on the said stake side pressure slurry pipeline (4); Concrete pile body (10) is stretched out in the upper end of said connecting line (12), and the lower end of said connecting line (12) is communicated with stake side pressure slurry pipeline (4).
2. the anticorrosion stake of flexible pocket type according to claim 1 is characterized in that: the sidewall of said flexible bag (1) comprises hyposmosis coefficient geotechnique layer of cloth one (1-1), anti-corrosion leak-proof expansion agent layer one (1-2) and the high transmission coefficient geotechnique layer of cloth one (1-3) that ecto-entad sets gradually.
3. the anticorrosion stake of flexible pocket type according to claim 1 and 2 is characterized in that: said sealing collet (2) comprises hyposmosis coefficient geotechnique layer of cloth two (2-1), anti-corrosion leak-proof expansion agent layer two (2-2) and the high transmission coefficient geotechnique layer of cloth two (2-3) that sets gradually from bottom to top.
4. the anticorrosion stake of flexible pocket type according to claim 1 and 2 is characterized in that: be provided with sealing joint strip (5) between said stake side pressure slurry pipeline (4) and the sealing collet (2).
5. the anticorrosion stake of flexible pocket type according to claim 1 and 2, it is characterized in that: the inner surface and the external surface of said flexible bag (1) are matsurface.
6. the anticorrosion stake of flexible pocket type according to claim 1 and 2 is characterized in that: the inner surface and the external surface of the inner surface of said flexible bag (1) and external surface and sealing collet (2) are provided with a plurality of lug, nibs or groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205647749U CN202369997U (en) | 2011-12-29 | 2011-12-29 | Flexible bag type anti-corrosive pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205647749U CN202369997U (en) | 2011-12-29 | 2011-12-29 | Flexible bag type anti-corrosive pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202369997U true CN202369997U (en) | 2012-08-08 |
Family
ID=46593706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205647749U Expired - Fee Related CN202369997U (en) | 2011-12-29 | 2011-12-29 | Flexible bag type anti-corrosive pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202369997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966112A (en) * | 2012-12-04 | 2013-03-13 | 南京联众建设工程技术有限公司 | Bridge and culvert foundation and construction method thereof |
| CN105507340A (en) * | 2015-12-10 | 2016-04-20 | 南阳理工学院 | Construction method of bridge pile foundation in mountainous area |
| CN107190737A (en) * | 2017-07-04 | 2017-09-22 | 福建省水利水电科学研究院 | A kind of construction technology of high intensity mould bag stake |
-
2011
- 2011-12-29 CN CN2011205647749U patent/CN202369997U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966112A (en) * | 2012-12-04 | 2013-03-13 | 南京联众建设工程技术有限公司 | Bridge and culvert foundation and construction method thereof |
| CN102966112B (en) * | 2012-12-04 | 2015-05-13 | 南京联众建设工程技术有限公司 | Bridge and culvert foundation and construction method thereof |
| CN105507340A (en) * | 2015-12-10 | 2016-04-20 | 南阳理工学院 | Construction method of bridge pile foundation in mountainous area |
| CN105507340B (en) * | 2015-12-10 | 2017-05-24 | 南阳理工学院 | Construction method of bridge pile foundation in mountainous area |
| CN107190737A (en) * | 2017-07-04 | 2017-09-22 | 福建省水利水电科学研究院 | A kind of construction technology of high intensity mould bag stake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20171229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |