CN203270561U - Uplift prestressed tubular pile - Google Patents
Uplift prestressed tubular pile Download PDFInfo
- Publication number
- CN203270561U CN203270561U CN 201320151013 CN201320151013U CN203270561U CN 203270561 U CN203270561 U CN 203270561U CN 201320151013 CN201320151013 CN 201320151013 CN 201320151013 U CN201320151013 U CN 201320151013U CN 203270561 U CN203270561 U CN 203270561U
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- end plate
- reinforcing steel
- presstressed reinforcing
- pile
- resistance
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Abstract
The utility model discloses an uplift prestressed tubular pile which comprises a tubular pile body, end plates, a prestressed bar and anchor bars, wherein the end plates are arranged at the upper end and the lower end of the tubular pile body in a matching manner respectively; prestressed bar anchor holes are formed in the upper and lower end plates correspondingly; the prestressed bar is embedded between the pair of up and down corresponding prestressed bar anchor holes; and the anchor bars are welded at the parts, close to the tubular pile body, of the end plates. According to the uplift prestressed tubular pile, the whole uplifting performance of the tubular pile is improved.
Description
Technical field
The utility model relates to the Foundation Design technology, relates in particular to a kind of resistance to plucking pile for prestressed pipe.
Background technology
Pile tube is mainly used in industry and civil building engineering, and pile tube also is used widely in work transmission line gradually at present.Pile tube generally includes pile body, and the two ends of pile body are respectively arranged with an end plate.Traditional pile tube is stressed mainly is carried as the master with downforce, its resistance to plucking ability a little less than.And in work transmission line, the electric power line pole tower basis often needs to bear larger uplift force, make traditional pile tube in actual applications end plate and pile body easily come off, can not finely satisfy the resistance to plucking application demand.
The utility model content
The utility model provides a kind of resistance to plucking pile for prestressed pipe, in order to improve the extraction-resistant behavior of pile tube.
The resistance to plucking pile for prestressed pipe that the utility model provides comprises: tubular pile body, end plate, presstressed reinforcing steel and dowel; The two ends up and down of described tubular pile body are mated respectively and are provided with a described end plate; Two the end plate correspondences in up and down offer that between a pair of presstressed reinforcing steel anchor hole corresponding to presstressed reinforcing steel anchor hole and up and down, build-in has a described presstressed reinforcing steel; Described dowel is welded on described end plate near the part of described tubular pile body.
Optionally, the quantity of described presstressed reinforcing steel anchor hole is a plurality of, and a plurality of described presstressed reinforcing steel anchor holes distribute along described end plate Central Symmetry.
Optionally, the quantity of described presstressed reinforcing steel anchor hole is greater than 6.
Optionally, the inboard of described end plate and described tubular pile body junction is welded with the pile protection hoop.
Optionally, described presstressed reinforcing steel is I shape, and vertical yi word pattern section length direction along tubular pile body between the inside and outside wall of tubular pile body of described I shape extends, and is mounted in the presstressed reinforcing steel anchor hole place of end plate by two bellends up and down of described I shape.
Optionally, described end plate is provided with bevel for welding away from the outer rim of an end of described tubular pile body.
Optionally, described dowel is indented bars, and/or described dowel anchors into the length of described tubular pile body more than or equal to 0.8m, and/or described end plate is steel plate, and/or the thickness of described end plate is greater than 15cm.The wall thickness of described pile protection hoop is 2mm-10mm.
When the end plate of the resistance to plucking pile for prestressed pipe that the utility model provides pulls out active force on being subject to, dowel that can be by anchoring into tubular pile body and build-in are in the presstressed reinforcing steel of presstressed reinforcing steel anchor hole, with end plate suffered on pull out active force and jointly be passed to tubular pile body, greatly strengthened the concatenation ability of end plate and tubular pile body, make end plate be difficult for throwing off with tubular pile body, improved the extraction-resistant behavior of pile tube integral body.
Description of drawings
A kind of optional structural representation of the resistance to plucking pile for prestressed pipe that Fig. 1 provides for the utility model;
Fig. 2 be in Fig. 1 1-1 to sectional drawing
Fig. 3 is the A section enlarged diagram of Fig. 2
Fig. 4 be in Fig. 1 2-2 to sectional drawing
Fig. 5 is the B section enlarged diagram of Fig. 4.
Reference numeral:
The 1-tubular pile body; The 2-end plate; The 3-presstressed reinforcing steel;
The 4-dowel; 5-presstressed reinforcing steel anchor hole; 6-pile protection hoop;
The 7-bevel for welding.
The specific embodiment
A kind of optional structural representation of the resistance to plucking pile for prestressed pipe that Fig. 1 provides for the utility model, Fig. 2 are that in Fig. 1,1-1 is to sectional drawing, and Fig. 3 is the A section enlarged diagram of Fig. 2, and Fig. 4 is that in Fig. 1,2-2 is to sectional drawing, and Fig. 5 is the B section enlarged diagram of Fig. 4.As Fig. 1-shown in Figure 5, the resistance to plucking pile for prestressed pipe comprises: tubular pile body 1, end plate 2, presstressed reinforcing steel 3 and dowel 4.Tubular pile body 1 can be the hollow tubular concrete structure.The two ends up and down of tubular pile body 1 are mated respectively and are provided with an end plate 2.Two end plate 2 correspondences in up and down offer that between a pair of presstressed reinforcing steel anchor hole 5 corresponding to presstressed reinforcing steel anchor hole 5 and up and down, build-in has a presstressed reinforcing steel 3; Dowel 4 is welded on end plate 2 near the part of tubular pile body 1.
When the end plate of the resistance to plucking pile for prestressed pipe that the utility model provides pulls out active force on being subject to, dowel that can be by anchoring into tubular pile body and build-in are in the presstressed reinforcing steel of presstressed reinforcing steel anchor hole, with end plate suffered on pull out active force and jointly be passed to tubular pile body, greatly strengthened the concatenation ability of end plate and tubular pile body, make end plate be difficult for throwing off with tubular pile body, improved the extraction-resistant behavior of pile tube integral body.
In technique scheme, optional, the quantity of described presstressed reinforcing steel anchor hole is a plurality of, and a plurality of described presstressed reinforcing steel anchor holes distribute along described end plate Central Symmetry.For example, the quantity of described presstressed reinforcing steel anchor hole is greater than 6.This scheme is conducive to by dowel and presstressed reinforcing steel, with end plate suffered on pull out the active force Transmit evenly to tubular pile body, avoided local unbalance stress, further improved the extraction-resistant behavior of pile tube integral body.
Optionally, the inboard of described end plate and described tubular pile body junction is welded with pile protection hoop 6.Pile protection hoop 6 can be the thin-wall tubular structure, and for example the wall thickness of pile protection hoop is 2mm-10mm.By the pile protection hoop is set, make more difficult disengagement between end plate and tubular pile body, further improved the extraction-resistant behavior of pile tube integral body.
Optionally, described presstressed reinforcing steel is I shape, and vertical yi word pattern section length direction along tubular pile body between the inside and outside wall of tubular pile body of described I shape extends, and is mounted in the presstressed reinforcing steel anchor hole place of end plate by two bellends up and down of described I shape.Two of presstressed reinforcing steel up and down bellend by being mounted in the presstressed reinforcing steel anchor hole provides certain pretightning force for the vertical yi word pattern section of presstressed reinforcing steel, be subject to uplift force at end plate and make the used time presstressed reinforcing steel this power is passed to tubular pile body, improved the extraction-resistant behavior of pile tube integral body.
Optionally, described end plate is provided with bevel for welding 7 away from the outer rim of an end of described tubular pile body.Can improve the convenience of pile tube and miscellaneous part welding by bevel for welding.
Optional described dowel is indented bars, and/or described dowel anchors into the length of described tubular pile body more than or equal to 0.8m, and/or described end plate is steel plate, and/or the thickness of described end plate is greater than 15cm.This scheme can improve the extraction-resistant behavior of pile tube integral body.
An engineering example of the resistance to plucking pile for prestressed pipe that the utility model provides, for example: end plate thickness 18mm, external diameter 30cmm, internal diameter 16cm; 8 anchor holes; 8 dowels, dowel adopts Φ 8 indented barss, length 1m; Pile protection hoop external diameter 30cm, wall thickness 8mm; Pile protection hoop length 15cm.When the end plate of resistance to plucking pile for prestressed pipe is being subject to pulling out active force, dowel that can be by anchoring into tubular pile body and build-in are in the presstressed reinforcing steel of presstressed reinforcing steel anchor hole, with end plate suffered on pull out active force and jointly be passed to tubular pile body, greatly strengthened the concatenation ability of end plate and tubular pile body, make end plate be difficult for throwing off with tubular pile body, improved the extraction-resistant behavior of pile tube integral body.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a resistance to plucking pile for prestressed pipe, is characterized in that, comprising: tubular pile body, end plate, presstressed reinforcing steel and dowel; The two ends up and down of described tubular pile body are mated respectively and are provided with a described end plate; Two the end plate correspondences in up and down offer that between a pair of presstressed reinforcing steel anchor hole corresponding to presstressed reinforcing steel anchor hole and up and down, build-in has a described presstressed reinforcing steel; Described dowel is welded on described end plate near the part of described tubular pile body.
2. resistance to plucking pile for prestressed pipe according to claim 1, is characterized in that,
The quantity of described presstressed reinforcing steel anchor hole is a plurality of, and a plurality of described presstressed reinforcing steel anchor holes distribute along described end plate Central Symmetry.
3. resistance to plucking pile for prestressed pipe according to claim 2, is characterized in that, the quantity of described presstressed reinforcing steel anchor hole is greater than 6.
4. resistance to plucking pile for prestressed pipe according to claim 1, is characterized in that, the inboard of described end plate and described tubular pile body junction is welded with the pile protection hoop.
5. resistance to plucking pile for prestressed pipe according to claim 1, it is characterized in that, described presstressed reinforcing steel is I shape, vertical yi word pattern section length direction along tubular pile body between the inside and outside wall of tubular pile body of described I shape extends, and is mounted in the presstressed reinforcing steel anchor hole place of end plate by two bellends up and down of described I shape.
6. resistance to plucking pile for prestressed pipe according to claim 1, is characterized in that, described end plate is provided with bevel for welding away from the outer rim of an end of described tubular pile body.
7. resistance to plucking pile for prestressed pipe according to claim 1, is characterized in that, described dowel is indented bars.
8. resistance to plucking pile for prestressed pipe according to claim 1, is characterized in that, described dowel anchors into the length of described tubular pile body more than or equal to 0.8m.
9. resistance to plucking pile for prestressed pipe according to claim 1, is characterized in that, described end plate is steel plate, and/or the thickness of described end plate is greater than 15cm.
10. resistance to plucking pile for prestressed pipe according to claim 4, is characterized in that, the wall thickness of described pile protection hoop is 2mm-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151013 CN203270561U (en) | 2013-03-29 | 2013-03-29 | Uplift prestressed tubular pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320151013 CN203270561U (en) | 2013-03-29 | 2013-03-29 | Uplift prestressed tubular pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203270561U true CN203270561U (en) | 2013-11-06 |
Family
ID=49501002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320151013 Expired - Lifetime CN203270561U (en) | 2013-03-29 | 2013-03-29 | Uplift prestressed tubular pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203270561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264659A (en) * | 2014-10-15 | 2015-01-07 | 金陵科技学院 | Prefabricated hollow uplift pile and preparation method thereof |
| CN104805843A (en) * | 2015-05-15 | 2015-07-29 | 天津市建工工程总承包有限公司 | Foundation pit supporting method |
-
2013
- 2013-03-29 CN CN 201320151013 patent/CN203270561U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264659A (en) * | 2014-10-15 | 2015-01-07 | 金陵科技学院 | Prefabricated hollow uplift pile and preparation method thereof |
| CN104264659B (en) * | 2014-10-15 | 2016-04-13 | 金陵科技学院 | A kind of precast hollow uplift pile and preparation method thereof |
| CN104805843A (en) * | 2015-05-15 | 2015-07-29 | 天津市建工工程总承包有限公司 | Foundation pit supporting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |