CN207436046U - A kind of hollow pressure fills support pile - Google Patents
A kind of hollow pressure fills support pile Download PDFInfo
- Publication number
- CN207436046U CN207436046U CN201720301883.9U CN201720301883U CN207436046U CN 207436046 U CN207436046 U CN 207436046U CN 201720301883 U CN201720301883 U CN 201720301883U CN 207436046 U CN207436046 U CN 207436046U
- Authority
- CN
- China
- Prior art keywords
- support pile
- central tube
- borehole wall
- utility
- steel pipe
- 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.)
- Expired - Fee Related
Links
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of hollow pressure and fills support pile, carries out support pile drilling on construction ground, central tube is inserted into support pile borehole wall；Keel are disposed between central tube and support pile borehole wall；Superfluid state concrete is poured between central tube and support pile borehole wall.The utility model is realizes that PVC plastic pipe built in hollow section or seamless steel pipe can be recycled repeatedly, more rationally, economic, environmental protection.The utility model presses filling support pile that can save concrete 25% or so in the case where ensureing the Bend bearing capacity of support pile, than conventional.
Description
Technical field
Base pit engineering field in constructing the present invention relates to building foundation, specifically a kind of hollow pressure fill branch and expand stake.
Background technology
At present, in base pit engineering, support pile mostly inserts the shapes such as shaped steel, prefabricated tubular pile using shaped steel, guncreting pile, cement earth pile
Formula is solid formula.Solid formula support pile is the Normal practice of design and construction now.However a kind of hollow pressure fills branch and expands stake still
It has not been reported.
Utility model content
The utility model can save concrete 25% or so on the premise of pile body Bend bearing capacity is met；And
It and is proposed for the arrangement of reinforcement of support pile and two kinds of various forms of steel reinforcement cage and steel pipe can be used so that can basis in design and construction
Some the more selections of itself engineering characteristic, therefore the utility model support pile can be used as the retaining structure for bearing soil lateral pressure applied to base
It cheats in design of its support and construction work.
To achieve the above object, the technical solution adopted is that：
A kind of hollow pressure fills support pile, support pile drilling is carried out on construction ground, in being inserted into support pile borehole wall
Heart pipe；
Keel are disposed between central tube and support pile borehole wall；
Superfluid state concrete is poured between central tube and support pile borehole wall.
The beneficial effects of the utility model are：
1. the utility model presses filling support pile can in the case where ensureing the Bend bearing capacity of support pile, than conventional
Save concrete 25% or so；
2. the utility model has feasibility for middle hard stratum.
3. the utility model form of reinforcement is more flexible, steel reinforcement cage can be used or steel pipe meets requirement for bearing capacity.
4. the utility model can be recycled repeatedly for the PVC plastic pipe built in realization hollow section or seamless steel pipe,
More reasonable, economic, environmental protection.
5. the utility model support pile can be used for all kinds of soil layers and middle sand, coarse sand, gravelly sand, circle gravel, completely decomposed, high wind
Change, in the foundation pit supporting project of middle weathered rock formation；For medium ground, such as gravel layer, the foundation pit supporting project of weathered rock formation
In, have more operability and feasibility than pile pile.
Description of the drawings
Fig. 1 is the schematic cross-section that utility model uses steel reinforcement cage；
Fig. 2 is the schematic cross-section that utility model uses steel pipe；
Fig. 3 is 1-1 diagrammatic cross-sections in Fig. 1；
Fig. 4 is 2-2 diagrammatic cross-sections in Fig. 2.
Specific embodiment
With reference to Figure of description 1-4, the present invention is described in more detail.
The insertion central tube 1 in support pile borehole wall 2；
Keel are disposed between central tube 1 and support pile borehole wall 2；
Superfluid state concrete 5 is poured between central tube 1 and support pile borehole wall 2.
Central tube 1 uses the PVC plastic pipe or seamless steel pipe of a diameter of 2 diameter 1/2 of support pile borehole wall.
Keel are using steel reinforcement cage or the steel pipe 6 of equivalent arrangement of reinforcement.Steel reinforcement cage is made of multiple stirrups 3 and multiple lengthways main steel bars 4.
1 outer layer oiling of central tube simultaneously swathes two layers of plastic film, realizes more than 1 recycling of central tube.
Central tube 1 bassets not less than 500mm, convenient for recycling.
Embodiment
Plastic foil is wrapped up in ensure that concrete and PVC plastic pipe or seamless steel pipe are isolated entirely from outside central tube；It is moulded twining
Expect to carry out the making of steel reinforcement cage in the PVC plastic pipe or seamless steel pipe of film or be equal to the installation of the steel pipe of arrangement of reinforcement, be so easier to
The steel pipe of the positioning of reinforcement location and plastic tube or seamless steel pipe and steel reinforcement cage or equivalent arrangement of reinforcement is transferred in drilling simultaneously；It pours
Concrete using Superfluid state concrete, slump control selects 5-20mm, coagulation in 200mm-250mm, coarse aggregate size
Soil class is not controlled preferably in C20-C35, and thickness of protection tier is preferably controlled in 50mm.
Following steps are suitable for dry operation pore-forming, in the case of easy collapse hole, only need to separately consider slurrying and mud
Retaining wall：
1) stake point location；
2) long-spiral drilling machine, Spiral digging machine or percussive drill are in place；
3) drilling or impact holing, stake machine drill hole perpendicularity deviation are controlled 1%；
4) drilling is to after projected depth, proposing drilling rod, the steel reinforcement cage of PVC plastic pipe built in decentralization or seamless steel pipe or and matches somebody with somebody
Muscle equivalent steel pipe oiling and swathes plastic foil on the outside of PVC plastic pipe or seamless steel pipe；PVC plastic pipe or seamless steel pipe should be outer
It bassets not less than 500mm, in order to the recycling of extricating oneself from a predicament and brace oneself up to action of PVC plastic pipe or seamless steel pipe；
5) Superfluid state concrete is poured on the outside of PVC plastic pipe or seamless steel pipe, and it is same in PVC plastic pipe medial and lateral
Shi Caiyong vibrator vibration compactings；The polarization vibrator that can also be used on steel reinforcement cage top that vibrates replaces；
6) support pile conserves；
7) beaten using jump, carry out the construction of next support pile；
8) extricate oneself from a predicament and brace oneself up to action after concrete initial set and recycle PVC plastic pipe or seamless steel pipe.
Claims (3)
1. a kind of hollow pressure fills support pile, it is characterised in that：
Support pile includes central tube, keel, concrete；
Central tube is located in support pile borehole wall；
Keel are disposed between central tube and support pile borehole wall；
Concrete has been poured between central tube and support pile borehole wall；
Central tube uses the PVC plastic pipe or seamless steel pipe of a diameter of support pile borehole wall diameter 1/2.
2. the hollow pressure of one kind according to claim 1 fills support pile, it is characterised in that：
Keel are using steel reinforcement cage or the steel pipe of equivalent arrangement of reinforcement.
3. the hollow pressure of one kind according to claim 1 fills support pile, it is characterised in that：
Center outer tube layer oiling simultaneously swathes two layers of plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301883.9U CN207436046U (en) | 2017-03-27 | 2017-03-27 | A kind of hollow pressure fills support pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301883.9U CN207436046U (en) | 2017-03-27 | 2017-03-27 | A kind of hollow pressure fills support pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436046U true CN207436046U (en) | 2018-06-01 |
Family
ID=62394545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720301883.9U Expired - Fee Related CN207436046U (en) | 2017-03-27 | 2017-03-27 | A kind of hollow pressure fills support pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207436046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466959A (en) * | 2020-01-07 | 2022-05-10 | 包尔特殊基础工程有限公司 | Method for constructing a foundation element in the soil and foundation element |
-
2017
- 2017-03-27 CN CN201720301883.9U patent/CN207436046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466959A (en) * | 2020-01-07 | 2022-05-10 | 包尔特殊基础工程有限公司 | Method for constructing a foundation element in the soil and foundation element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20190327 |