CN202214722U - Square cylindrical wave node pipe pile - Google Patents
Square cylindrical wave node pipe pile Download PDFInfo
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- CN202214722U CN202214722U CN2011202997596U CN201120299759U CN202214722U CN 202214722 U CN202214722 U CN 202214722U CN 2011202997596 U CN2011202997596 U CN 2011202997596U CN 201120299759 U CN201120299759 U CN 201120299759U CN 202214722 U CN202214722 U CN 202214722U
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- pile
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- cylindricality
- circumference cylindricality
- pile tube
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Abstract
The utility model discloses a square cylindrical wave node pipe pile which at least comprises a square cylindrical pile body; and the outer surface of each edge of the square cylindrical pile body is in a wave node shape. As the structural design of the wave node shape, the outer surface shape of the square cylindrical wave node pipe pile is improved, the friction factor of the outer surface is increased, the friction on the side of the pipe pile is improved, the end area of the pipe pile is enlarged, and the pile end loading capacity of the pipe pile is improved. Therefore, the square cylindrical wave node pipe pile has the advantages of a round pile and a square pile, simultaneously overcomes the fixed defects of the round pile and the square pile, has higher compression resisting friction, higher shearing resisting performance and higher pulling resisting performance, and realizes obvious advance and beneficial effects.
Description
Technical field
The utility model relates to the foundation pile technical field, relates in particular to a kind of circumference cylindricality node pile tube that is used as the building foundation.
Background technology
For the construction of a building high building, its structural safety depends on basic engineering to a great extent, and basic engineering then is according to the geological mapping parameter, carries out according to design specifications.Build various buildings particularly high-rise building, heavy factory building and when having the structure of specific (special) requirements in the bad area of soil property, the foundation pile technology has become a kind of base form of extensive employing.The foundation pile technology mainly is plant equipment such as employing static pile press, and many prefabricated pile tubes are squeezed into the technology that is used as the building foundation in the stratum according to layout.
Wherein, the bearing capacity of prefabricated concrete pile tube of the prior art mainly is made up of two parts.A part is the frictional force that forms between a side soil layer, is also referred to as a side-friction force.Another part is the bearing capacity of pile tip that the pile crown seat crouches and forms on the bearing stratum in the stratum.The size of stake side-friction force is main relevant with the moisture content of soil property, and when underground SEA LEVEL VARIATION is big, thereby the side friction factor has the size that bigger change directly has influence on a side-friction force.And the size of bearing capacity of pile tip is main and pile crown whether to get into bearing stratum as requested relevant; When pile crown gets into the good bearing stratum of geological conditions; Bearing capacity of pile tip is basicly stable, on pile crown is arranged in bearing stratum or under the unfavorable geology layer time, bearing capacity of pile tip is extremely unstable.Therefore, in the basic engineering of building, generally all do one's utmost to avoid unsettled unfavorable geology layer.More satisfactory basic engineering is to make pile tube that certain degree of depth arranged in ground, to obtain the stake side-friction force of designing requirement, also must make pile crown get into bearing stratum, to obtain the bearing capacity of pile tip of designing requirement.
But in practice of construction, the addressing of building is at first considered is ground factor but not underground factor.Therefore, building is selected on the complicated basis of some earth formations possibly.In the prior art, for reaching the stake side-friction force of design, generally the projected depth to pile tube has certain requirement, and promptly pile tube must be squeezed into certain depth under the face of land so that produce enough side-friction forces between pile tube side and the soil layer.Simultaneously, for obtaining the bearing capacity of pile tip of designing requirement, pile tube also must be beaten on the bearing stratum of good geological conditions.But problem is that the earth formation under the face of land is very complicated, under a lot of situation, is positioned at the geological stratification at projected depth place under the face of land and is not suitable for doing bearing stratum.
Common pipe stake, owing to have columniform external surface, its advantage is that a side friction factor is high, the stake side-friction force is big.But its shortcoming is that anti-shear ability is poor.And the end area of circle stake is little, and bearing capacity of pile tip is little.
Common square pipe pile, owing to have the external surface of square, its advantage is that anti-shear ability is good.And under the situation of same diameter, the end area of side's stake is big, and bearing capacity of pile tip is big.But its shortcoming is, stake side friction factor is little, and the stake side friction of side's stake mainly concentrates on Si Jiaochu, and a therefore whole side-friction force is little.
In this case; Existing foundation pile technology must adopt the supplementary technology means; Unfavorable geology layer under the face of land is done a technical finesse satisfy the requirement that becomes bearing stratum, or increase the quantity of foundation pile, otherwise just can't satisfy bearing capacity and shear-stable designing requirement simultaneously.
Therefore, those skilled in the art is devoted to improve existing pile tube always, to overcome the above-mentioned defective of prior art.
The utility model content
Because the above-mentioned defective of prior art, the utility model technical problem to be solved provides that a kind of side-friction force is big, stake end support force is big, anti-shear performance and circumference cylindricality node pile tube easy to manufacture, simple in structure.
For realizing above-mentioned purpose, the utility model provides a kind of circumference cylindricality node pile tube, comprises circumference cylindricality pile body at least; The external surface on each limit of said circumference cylindricality pile body is the node shape.
Preferably, said circumference cylindricality pile body is prefabricated concrete spare, and its inside has reinforcing cage.
Preferably, the two ends of said circumference cylindricality pile body are fixedly connected with the connector structure respectively.
Preferably, said connector structure is a steel construction piece.
Preferably, offer reinforcement installation hole and tension screw on the said connector structure.
Preferably, said reinforcement installation hole, said tension screw are the axial symmetry setting.
Preferably, said node shape constitutes boss.
Preferably, be provided with cylindrical hole in the said circumference cylindricality pile body.
The circumference cylindricality node pile tube of the utility model has improved the external surface shape of pile tube owing to the structure design of above-mentioned node shape external surface, has increased the friction factor of external surface, has improved the stake side-friction force of pile tube.Simultaneously, the utility model has increased the end area of pile tube also owing to the structure design of above-mentioned node shape external surface, has improved the bearing capacity of pile tip of pile tube.Therefore; The circumference cylindricality node pile tube of the utility model has the advantage of circle stake and side's stake concurrently; Overcome simultaneously round stake and the intrinsic separately shortcoming of side's stake again, had higher resistance to compression frictional force, higher shear behavior and higher resistance to plucking ability, had obvious improvement and beneficial effect.
Below will combine accompanying drawing that the technique effect of design, concrete structure and the generation of the utility model is described further, with purpose, characteristic and the effect of understanding the utility model fully.
Description of drawings
Fig. 1 is the structural representation of circumference cylindricality node pile tube one specific embodiment of the utility model.
The specific embodiment
As shown in Figure 1, among the embodiment of the circumference cylindricality node pile tube 1 of the utility model, comprise circumference cylindricality pile body 11, circumference cylindricality pile body 11 is a tetragonal body and four prefabricated concrete spares that semi arch 12 constitutes, set inside has the reinforcing cage (not shown).
The external surface on circumference cylindricality pile body 11 each limit is the node shape, constitutes boss 14, therefore on the external surface on its four limit, is provided with a plurality of boss 14 altogether, has increased the stake side-friction force of pile tube.
The utility model also owing to be provided with above-mentioned boss 14, has increased the bearing capacity of pile tip of pile tube.
Further, be fixedly connected with connector structure (not shown) respectively at the two ends of circumference cylindricality pile body 11.The connector structure is a steel construction piece, and compartment of terrain offers four reinforcement installation holes and four tension screws on it.
The reinforcement installation hole be shaped as mounting hole with concentric reducer so that the steel bar end on the reinforcing cage inserts and tangles the connector structure.The tension screw is a screwed hole, to cooperate with the turnbuckle of joining outward, through stretch-draw connector structure tension reinforcing cage.
For stressed even, reinforcement installation hole, tension screw are provided with at interval, and are the axial symmetry setting.
In different specific embodiments, different according to the bore of pile tube, the quantity of reinforcement installation hole, tension screw can be four, six, eight, ten, 12 even more.
The center of circumference cylindricality node pile tube 1 has a cylindrical hole 10, to alleviate the weight of circumference cylindricality node pile tube 1, has also reduced cost.
Owing to be provided with a plurality of boss 14, increased the friction factor of the external surface of circumference cylindricality pile body 11, the side stressing conditions of the circumference cylindricality node pile tube 1 of the utility model improves.Simultaneously, a plurality of boss 14 have also increased the end area of circumference cylindricality node pile tube 1, have improved bearing capacity of pile tip.
Compare with existing square pile tube or circular pile tube; Under the condition of equal bore; Squeeze at pile tube under the situation of same geological conditions, the same degree of depth; The circumference cylindricality node pile tube of the utility model has better supporting efficiency, has beneficial effects such as resistance to compression frictional force is big, shear behavior good, the resistance to plucking ability is strong.
The utility model also provides a kind of processing method that has an area of cylindricality node pile tube, comprising:
Step 1, the cage of wire-tiing, and the reinforcing cage that ties put into circumference cylindricality bellows tube pile die.
Step 2 is provided with the connector structure respectively at the two ends of circumference cylindricality bellows tube pile die, and utilizes the axial ribs in the connector structure tension reinforcing steel bar cage.
Further, the axial ribs after can also utilizing the connector structure to stretch-draw applies certain prestressing force, to improve the compressive property of pile tube.
Step 3, concreting in circumference cylindricality bellows tube pile die, matched moulds forms an intermediate;
Step 4 is rotated the intermediate that step 3 obtains at a high speed, utilizes the concrete in the closely knit circumference cylindricality of the centrifugal force bellows tube pile die, and forms cylindrical hole at axis part, forms semiproduct.
Step 5 utilizes high-temperature steam to steam the semiproduct that step 4 obtains, and die sinking cooling then obtains circumference cylindricality node pile tube.
This processing method, technology is simple, and efficient is high, as long as change the production requirement that different moulds can adapt to the pile tube of different shape, the constant product quality that processing obtains.
The above-mentioned various circumference cylindricality node pile tubes of the utility model during fabrication need only be according to the shape needs of external surface, and the mould that design is complementary gets final product, and it is simple to have processing technology, and cost is low, beneficial effects such as steady quality.
In sum, the just several kinds of preferred embodiment of the utility model described in this manual, above embodiment is only unrestricted in order to the technical scheme of explanation the utility model.All technician in the art according to the design of the utility model on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be within the claim protection domain of the utility model.
Claims (8)
1. a circumference cylindricality node pile tube comprises circumference cylindricality pile body at least; It is characterized in that: the external surface on each limit of said circumference cylindricality pile body is the node shape.
2. circumference cylindricality node pile tube as claimed in claim 1 is characterized in that: said circumference cylindricality pile body is prefabricated concrete spare, and its inside has reinforcing cage.
3. circumference cylindricality node pile tube as claimed in claim 1, it is characterized in that: the two ends of said circumference cylindricality pile body are fixedly connected with the connector structure respectively.
4. circumference cylindricality node pile tube as claimed in claim 3, it is characterized in that: said connector structure is a steel construction piece.
5. circumference cylindricality node pile tube as claimed in claim 3 is characterized in that: offer reinforcement installation hole and tension screw on the said connector structure.
6. circumference cylindricality node pile tube as claimed in claim 4 is characterized in that: said reinforcement installation hole, said tension screw are the axial symmetry setting.
7. like the arbitrary described circumference cylindricality node pile tube of claim 1 to 6, it is characterized in that: said node shape constitutes boss.
8. like the arbitrary described circumference cylindricality node pile tube of claim 1 to 6, it is characterized in that: be provided with cylindrical hole in the said circumference cylindricality pile body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202997596U CN202214722U (en) | 2011-08-17 | 2011-08-17 | Square cylindrical wave node pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202997596U CN202214722U (en) | 2011-08-17 | 2011-08-17 | Square cylindrical wave node pipe pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202214722U true CN202214722U (en) | 2012-05-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202997596U Expired - Fee Related CN202214722U (en) | 2011-08-17 | 2011-08-17 | Square cylindrical wave node pipe pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202214722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359102A (en) * | 2011-08-17 | 2012-02-22 | 上海奥米制药装备有限公司 | Square cylindrical corrugated tube pile and processing method thereof |
| CN105133599A (en) * | 2015-09-21 | 2015-12-09 | 周兆弟 | Uplift pile |
-
2011
- 2011-08-17 CN CN2011202997596U patent/CN202214722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359102A (en) * | 2011-08-17 | 2012-02-22 | 上海奥米制药装备有限公司 | Square cylindrical corrugated tube pile and processing method thereof |
| CN105133599A (en) * | 2015-09-21 | 2015-12-09 | 周兆弟 | Uplift pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Aomi Pharmaceutical Equipment Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20130817 |