CN204570669U - A kind of cast-in-place concrete pile - Google Patents
A kind of cast-in-place concrete pile Download PDFInfo
- Publication number
- CN204570669U CN204570669U CN201520285162.4U CN201520285162U CN204570669U CN 204570669 U CN204570669 U CN 204570669U CN 201520285162 U CN201520285162 U CN 201520285162U CN 204570669 U CN204570669 U CN 204570669U
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- pile body
- pile
- steel strand
- cast
- place concrete
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Abstract
The utility model provides a kind of cast-in-place concrete pile, comprise the vertical pile body arranged and the cushion cap being connected in this pile body top, wherein, the upper end of steel strand pipe anchors into cushion cap, lower end anchors into waters concrete base, the longitudinal steel strand pipe simultaneously arranged according to cracking resistance demand in pile body is applied with longitudinal prestressing force to pile body, thus improve bearing capacity of pile and extraction-resistant behavior preferably, reduce the possibility of the rear further corrosion of reinforcing bar of pile body cracking, improve the durability of pile foundation, in addition, bearing capacity and the resistance to plucking effect that concrete base and expansion section can further improve pile body is watered in the utility model, substantially increase the anchoring property between pile body and sub-surface, structure is simple, convenient and swift, be applicable to promoting the use of.
Description
Technical field
The utility model relates to the realm of building construction, and specifically, the utility model relates to a kind of cast-in-place concrete pile.
Background technology
In recent years, along with a large amount of development & construction of the domestic underground space, what mainly adopt the anti-floating problem of individual layer and even multi-storey basement is uplift pile.The pile-type selected at present mainly contains precast square pile and cast-in-situ concrete poured stake.There is the shortcomings such as the large and pile extension quality of pile foundation pile sinking difficulty not easily ensures in the former, latter is when uplift resistance is larger for controlling pile body crack, and need configure a large amount of tensions and indulge muscle, low bearing capacity, economy is poor.Therefore, those skilled in the art need badly provides a kind of new technical scheme to solve the problem.
Utility model content
In order to solve the problem of prior art, the utility model provides a kind of cast-in-place concrete pile, and not only bearing capacity is high, and pulling test strength is high simultaneously.
The utility model patent provides a kind of cast-in-place concrete pile, comprise the vertical pile body arranged and the cushion cap being connected in this pile body top, the cross section of described pile body is square, the lower end of described pile body is provided with waters concrete base, be provided with in described pile body: the some steel strand pipes vertically arranged, and the stirrup be wrapped in outside described each steel strand pipe, and the upper end of described steel strand pipe is anchored at by snap close on the upper surface of described cushion cap, water on the lower surface of concrete base described in the lower end of described steel strand pipe is anchored at by snap close, the lateral wall of described pile body is also provided with the expansion section that multiple cross section is taper.
Preferably, described expansion section is uniformly distributed on the lateral wall of described pile body.
Preferably, stiffener is provided with between the upper surface of described cushion cap and snap close.
Preferably, water described between the lower surface of concrete base and snap close and be provided with stiffener.
Preferably, described each steel strand pipe is square spaced apart in described pile body, and the cross section of described stirrup is square and twists pipe with each steel and be close to layout.
Preferably, described steel strand pipe is provided with some outwardly juts, to increase the frictional force between described steel strand pipe and concrete pile body.
The beneficial effect that the technical scheme that the utility model provides is brought is: the upper end of the utility model steel strand pipe anchors into cushion cap, lower end anchors into waters concrete base, the longitudinal steel strand pipe simultaneously arranged according to cracking resistance demand in pile body is applied with longitudinal prestressing force to pile body, thus improve bearing capacity of pile and extraction-resistant behavior preferably, reduce the possibility of the rear further corrosion of reinforcing bar of pile body cracking, improve the durability of pile foundation, in addition, bearing capacity and the resistance to plucking effect that concrete base and expansion section can further improve pile body is watered in the utility model, substantially increase the anchoring property between pile body and sub-surface, structure is simple, convenient and swift, be applicable to promoting the use of.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model patent, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the cast-in-place concrete pile that the utility model provides.
[in figure Reference numeral]:
10. pile body, 20. cushion caps, 30. water concrete base, 40. steel strand pipes, 50. stirrups, 60. snap closes, 70. expansion sections, 80. stiffeners, 90. juts.
Detailed description of the invention
For making content of the present utility model clearly understandable, below in conjunction with Figure of description, content of the present utility model is described further.Certain the utility model is not limited to this specific embodiment, and the general replacement known by those skilled in the art is also encompassed in protection domain of the present utility model.Secondly, the utility model detailed statement that utilized schematic diagram to carry out, when describing the utility model example in detail, for convenience of explanation, schematic diagram, should in this, as to restriction of the present utility model not according to general ratio partial enlargement.
Above-mentioned and other technical characteristic and beneficial effect, will in conjunction with the embodiments and accompanying drawing static pressure pipe pile of the present utility model is described in detail.As shown in the figure, Fig. 1 is the structural representation of the cast-in-place concrete pile that the utility model provides.
As shown in Figure 1, the utility model provides a kind of cast-in-place concrete pile, comprise the vertical pile body 10 arranged and the cushion cap 20 being connected in this pile body 10 top, the cross section of pile body 10 is square, the lower end of pile body 10 is provided with waters concrete base 30, be provided with in pile body 10: the some steel strand pipes 40 vertically arranged, and the stirrup 50 be wrapped in outside each steel strand pipe 40, and the upper end of steel strand pipe 40 is anchored at by snap close 60 on the upper surface of cushion cap 20, steel strand pipe 40 lower end be anchored at by snap close 60 water concrete base 30 lower surface on, the lateral wall of pile body 10 is also provided with the expansion section 70 that multiple cross section is taper.
Concrete, in the present embodiment, expansion section 70 is uniformly distributed on the lateral wall of pile body 10; Meanwhile, stiffener 80 is provided with between the upper surface of cushion cap 20 and snap close 60; Water between the lower surface of concrete base 30 and snap close 60 and be provided with stiffener 80.
In preferred version, each steel strand pipe 40 is square spaced apart in pile body 10, and the cross section of stirrup 50 is square and twists pipe 40 with each steel and be close to layout.
In order to increase the frictional force between described steel strand pipe 40 and concrete pile body, steel strand pipe 40 is provided with some outwardly juts 90.
In sum, the upper end of the utility model steel strand pipe 40 anchors into cushion cap 20, lower end anchors into waters concrete base 30, the longitudinal steel strand pipe 40 pairs of pile bodies simultaneously arranged according to cracking resistance demand in pile body are applied with longitudinal prestressing force, thus improve bearing capacity of pile and extraction-resistant behavior preferably, reduce the possibility of the rear further corrosion of reinforcing bar of pile body cracking, improve the durability of pile foundation, in addition, the bearing capacity resistance to plucking effect that concrete base 30 and expansion section 70 can further improve pile body is watered in the utility model, substantially increase the anchoring property between pile body and sub-surface, structure is simple, convenient and swift, be applicable to promoting the use of.
Although the utility model essentially describes above embodiment, just come as an example to be described, and the utility model is not limited to this.Those of ordinary skill in the art can make multiple modification and application and not depart from the essential characteristics of embodiment.Such as, each parts that embodiment is shown in detail can be revised and run, to described modification with apply relevant difference and can think and be included in protection domain of the present utility model that claims limit.
Embodiment involved in this manual, its implication is that specially feature, structure or the characteristic described in conjunction with this embodiment is included at least one embodiment of the present utility model.These terms come across in manual everywhere differ to establish a capital and relate to same embodiment.In addition, when describing special characteristic, structure or characteristic in conjunction with any embodiment, all think that it falls in the scope of these special characteristics, structure or the characteristic that those of ordinary skill in the art just can realize in conjunction with other embodiments.
Claims (6)
1. a cast-in-place concrete pile, comprise the vertical pile body arranged and the cushion cap being connected in this pile body top, the cross section of described pile body is square, it is characterized in that, the lower end of described pile body is provided with waters concrete base, be provided with in described pile body: the some steel strand pipes vertically arranged, and the stirrup be wrapped in outside described each steel strand pipe, and the upper end of described steel strand pipe is anchored at by snap close on the upper surface of described cushion cap, water on the lower surface of concrete base described in the lower end of described steel strand pipe is anchored at by snap close, the lateral wall of described pile body is also provided with the expansion section that multiple cross section is taper.
2. cast-in-place concrete pile according to claim 1, is characterized in that, described expansion section is uniformly distributed on the lateral wall of described pile body.
3. cast-in-place concrete pile according to claim 1, is characterized in that, is provided with stiffener between the upper surface of described cushion cap and snap close.
4. cast-in-place concrete pile according to claim 1, is characterized in that, described in water between the lower surface of concrete base and snap close and be provided with stiffener.
5. cast-in-place concrete pile according to claim 1, is characterized in that, described each steel strand pipe is square spaced apart in described pile body, and the cross section of described stirrup is square and twists pipe with each steel and be close to layout.
6. cast-in-place concrete pile according to claim 1, is characterized in that, described steel strand pipe is provided with some outwardly juts, to increase the frictional force between described steel strand pipe and concrete pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520285162.4U CN204570669U (en) | 2015-05-06 | 2015-05-06 | A kind of cast-in-place concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520285162.4U CN204570669U (en) | 2015-05-06 | 2015-05-06 | A kind of cast-in-place concrete pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204570669U true CN204570669U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520285162.4U Expired - Fee Related CN204570669U (en) | 2015-05-06 | 2015-05-06 | A kind of cast-in-place concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204570669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179664A (en) * | 2017-12-01 | 2018-06-19 | 中铁二院工程集团有限责任公司 | A kind of reinforcing construction for preventing non-fragment orbit basement high |
| CN109537614A (en) * | 2018-12-29 | 2019-03-29 | 深圳供电局有限公司 | Cast-in-place pile and forming method thereof |
-
2015
- 2015-05-06 CN CN201520285162.4U patent/CN204570669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179664A (en) * | 2017-12-01 | 2018-06-19 | 中铁二院工程集团有限责任公司 | A kind of reinforcing construction for preventing non-fragment orbit basement high |
| CN109537614A (en) * | 2018-12-29 | 2019-03-29 | 深圳供电局有限公司 | Cast-in-place pile and forming method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190506 |