CN202745049U - Special-shaped high-bearing-capacity concrete pile - Google Patents
Special-shaped high-bearing-capacity concrete pile Download PDFInfo
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- CN202745049U CN202745049U CN 201220496841 CN201220496841U CN202745049U CN 202745049 U CN202745049 U CN 202745049U CN 201220496841 CN201220496841 CN 201220496841 CN 201220496841 U CN201220496841 U CN 201220496841U CN 202745049 U CN202745049 U CN 202745049U
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Abstract
The utility model discloses a special-shaped high-bearing-capacity concrete pile. The special-shaped high-bearing-capacity concrete pile comprises a hollow special-shaped pile body and end plates, wherein at least one encircling rib which is axially vertical to the special-shaped pile body is arranged on the outer surface of the special-shaped pile body, and the special-shaped high-bearing capacity concrete pile further comprises at least one special-shaped rib which is intersected with the encircling rib to form an acute angle A and arranged on the outer surface of the special-shaped pile body; and the acute angle A is greater than 0 degree and less than or equal to 90 degrees. The special-shaped rib and the encircling rib are respectively in a shape of a groove, and the cross section of each groove is in a shape of a concave rectangle or concave trapezoid. The special-shaped rib and the encircling rib are respectively in a shape of a convex column, and the cross section of each convex column is in a shape of a convex rectangle or convex trapezoid. The special-shaped high-bearing-capacity concrete pile has the advantages that the outer surface is specially shaped, the effective section area is larger and the bearing capacity of the single pile is high; and the effective pile length and a bearing platform can be correspondingly reduced during design, and national resources are saved, thereby improving the economic performance and saving a large amount of money for the construction unit. By adopting the concave-convex shape, the outer friction resistance is increased, and the special-shaped pile is very suitable for soft soil regions. The utility model widens the application range of preformed piles.
Description
Technical field
The utility model relates to a kind of special-shaped high-bearing capacity concrete pile.
Background technology
At present the building circle material that is used for pile foundation has a lot, the most frequently used concrete solid square pile, concrete hollow square pile, pile tube, cast-in-situ concrete poured, the piling bar of mainly containing.
Above concrete pile is used for engineering construction, has following weak point:
1, solid square pile, cast-in-plase pile concrete crushing strength be generally below C45, low strength; 2, when construction is subjected to extraneous etc. to disturb greatlyr, is high temperature and rainy day with it; 3, the mechanical properties such as pile tube, the anti-level of hollow square pile, shearing resistance, vertical bearing capacity little, 4, produce, rupture easily when transportation, lifting; 5, thickness of concrete cover is little, is difficult to use in rodent geological environment is arranged; 6, reinforcement ratio is low, and the stiffness of pile body is poor, a little less than holding capacity aspect the anti-seismic performance; 7, at the poor stability of weak soil; 8, external surface smoother, outer frictional resistance is little; 9, sectional area is little, and vertical bearing capacity is little; 10, square pile and cast-in-plase pile concrete, rolled steel dosage are large, the serious waste national resources, and environment pollution is larger when construction.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of vertical bearing capacity height, shearing resistance is large, anti-seismic performance good, the deadweight is little, the special-shaped high-bearing capacity concrete pile of easy construction.
The technical solution of the utility model is a kind of special-shaped high-bearing capacity concrete pile, it is characterized in that: comprise the hollow profile pile body that is formed by concrete-placing reinforcing steel bar skeleton cage and the end plate that is arranged on the special pile body two ends; Be provided with at least one axially vertically around rib with special pile body on the described special pile body external surface, every adjacent two is 300-5000mm around the vertical distance between the rib.
As further improvement of the utility model, also comprise being arranged on the special pile body external surface and intersecting at least one the special-shaped rib that forms acute angle A around rib; 0 °＜acute angle A≤90 °.
As further improvement of the utility model, the vertical distance between every adjacent two special-shaped ribs is 300-5000mm.
As further improvement of the utility model, described special-shaped rib with all be the groove shape around the lateral cross section of rib, the cross section of its groove is recessed rectangular-shaped or recessed trapezoidal shape.Can effectively improve the frictional force of pile body and the soil body, the bearing capacity of stake self is given full play to, save the consumption of stake.
As further improvement of the utility model, described special-shaped rib with all be the projection shape around the lateral cross section of rib, the cross section of its projection is protruding rectangular-shaped or protruding trapezoidal shape.Can effectively improve the frictional force of pile body and the soil body, the bearing capacity of stake self is given full play to, save the consumption of stake.
As further improvement of the utility model, described special-shaped rib be that 5-300mm, the degree of depth are 8-180mm around the width of rib notch.
As further improvement of the utility model, described special-shaped rib be 3-300mm around the width of rib boss, highly be 8-200mm.
As further improvement of the utility model, described end plate shape of cross section is identical with the shape of cross section of special pile body.
Advantage compared with prior art of the present utility model:
1, because external surface is special-shaped, and its effective cross-sectional area is larger, bearing capacity of single pile is high; Its effective length and cushion cap can correspondingly reduce when design, save national resources, thereby have improved its economic performance, for Construction unit has saved substantial contribution.
2, because shaped pile adopts is concavo-convex profile, its outer frictional resistance increases, the use of very suitable soft clay area.Thereby widened the scope of application for the use of preformed pile.
3, the mode that has adopted prestressing force or nonprestressed reinforcement to combine owing to shaped pile, its anti-level, shearing resistance, anti-seismic performance improve greatly, and safety of building provides sound assurance.
4, can be according to construction requirement, capable of regulating intracavity diameter size when producing, employing is planted a method and is constructed.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Wherein: 1, special pile body, 2, steel reinforcement framework cage, 21, main muscle, 22, spiral stirrup, 3, end plate, 4, around rib, 5, special-shaped rib.
The specific embodiment
Following examples and accompanying drawing only are used for illustrating how characteristic feature of an invention and further explanation implement the utility model, are not used for limiting protection domain of the present utility model.
Concrete structure of the present utility model is: as shown in Figure 1 and Figure 2.
A kind of special-shaped high-bearing capacity concrete pile mainly comprises special pile body 1, steel reinforcement framework cage 2, and end plate 3, around rib 4, special-shaped rib 5.Described special pile body 1 by concrete by building moulding.Steel reinforcement framework cage 2 mainly comprises main muscle 21 and spiral stirrup 22.Be respectively equipped with the end plate 3 that is equal to shape with special pile body 1 cross section at described special pile body 1 two ends, steel reinforcement framework cage 22 two ends are with after end plate 3 is connected, or vibration common centrifugal with concrete and shape all-in-one-piece are with the special-shaped high-bearing capacity concrete pile around rib 4, special-shaped rib 5 and hollow again.The shape of cross section of end plate 3 is identical with the special pile body shape of cross section.
On rib 4 outer circumference surface that be arranged on special pile body 1 vertical with special pile body 1 axle, be the groove shape around the cross section of rib 4, the cross section of its groove is recessed rectangular-shaped or recessed trapezoidal shape, and the width of its notch is that 5-300mm, the degree of depth are 8-180mm; Cross section around rib 4 can also be the projection shape, and the cross section of its projection is protruding rectangular-shaped or protruding trapezoidal shape, and the width of its boss is 3-300mm, highly for 8-200mm.Every adjacent two is 300-5000mm around the vertical distance between the rib 4.Abnormity rib 5 with intersect around rib 4, intersect to form an angle A, 0 °＜angle A≤90 °.The lateral cross section of abnormity rib 5 is the groove shape, and the cross section of its groove is recessed rectangular-shaped or recessed trapezoidal shape; The width of abnormity rib 5 notches is that 5-300mm, the degree of depth are 8-180mm.The shape of cross section of abnormity rib 5 can also be designed to the projection shape, and the cross section of its projection is protruding rectangular-shaped or protruding trapezoidal shape, and the width of boss is 3-300mm, highly is 8-200mm.Vertical distance between every adjacent two special-shaped ribs 5 is 300-5000mm.
Annotate: the width of notch refers to be vertical distance between the both sides of the notch that the groove shape forms around rib 4 or special-shaped rib 5.
The degree of depth of notch refers to be the notch of groove shape formation and the vertical distance between the bottom land around rib 4 or special-shaped rib 5.
The width of boss refers to be vertical distance between the both sides of the boss that boss-shaped forms around rib 4 or special-shaped rib 5.
The height of boss refers to be the boss of boss-shaped formation to the vertical distance between special pile body 1 external surface around rib 4 or special-shaped rib 5.
Notch or the selection of boss size and the maximum outside diameter Size dependence of special pile body 1 around rib 4 or special-shaped rib 5.
Every adjacent two around the selection of the vertical distance between rib 4 or the special-shaped rib 5 and the maximum outside diameter Size dependence of special pile body 1.
Embodiment 1
A kind of special-shaped high-bearing capacity concrete pile mainly comprises special pile body 1, steel reinforcement framework cage 2, and 3,3 of end plates are around 4,4 special-shaped ribs 5 of rib.By centrifugal forming, the cross section of special pile body 1 is square hollow to described special pile body 1 by concrete.Steel reinforcement framework cage 2 mainly comprises main muscle 21 and spiral stirrup 22.Be respectively equipped with square hollow at described special pile body 1 two ends or be equal to the end plate 3 of shape with special pile body 1 cross section, steel reinforcement framework cage 2 two ends are with after end plate 3 is connected, or vibration common centrifugal with concrete and shape all-in-one-piece are with the special-shaped high-bearing capacity concrete pile around rib 4, special-shaped rib 5 and hollow again.The shape of cross section of end plate 3 is identical with the special pile body shape of cross section.
Special-shaped rib 5 in the present embodiment is the fin shape; The rectangular shape in its cross section, the width of special-shaped rib 5 boss is 100mm, highly is 50mm.Be the fin shape around rib 4, the rectangular shape in cross section is 100mm around the width of rib 4 boss, highly is 50mm.The spacing that adjacent two special-shaped ribs are 5 is 2000mm; Abnormity rib 5 with intersect around rib 4, its angle is 90 °.
Embodiment 2
A kind of special-shaped high-bearing capacity concrete pile mainly comprises special pile body 1, steel reinforcement framework cage 2, and 3,3 of end plates are around 4,4 special-shaped ribs 5 of rib.By vibration moulding, the cross section of special pile body 1 is square hollow by concrete for described special pile body 1.Steel reinforcement framework cage 2 mainly comprises main muscle 21 and spiral stirrup 22.Be respectively equipped with square hollow at described special pile body 1 two ends or be equal to the end plate 3 of shape with special pile body 1 cross section, steel reinforcement framework cage 2 two ends are with after end plate 3 is connected, or vibration common centrifugal with concrete and shape all-in-one-piece are with the special-shaped high-bearing capacity concrete pile around rib 4, special-shaped rib 5 and hollow again.The shape of cross section of end plate 3 is identical with the special pile body shape of cross section.
Special-shaped rib 5 in the present embodiment is the fin shape; Its cross section is trapezoidal shape, and the width of special-shaped rib 5 boss is 120mm, highly is 60mm.Be the fin shape around rib 4, the cross section is trapezoidal shape, is 120mm around the width of rib 4 boss, highly is 60mm.
Adjacent two spacings around 4 in rib are 2000mm; Abnormity rib 5 with intersect around rib 4, its angle is 90 °.
Claims (8)
1. a special-shaped high-bearing capacity concrete pile is characterized in that: comprise the hollow profile pile body (1) that forms and the end plate (3) that is arranged on special pile body (1) two ends by concrete-placing reinforcing steel bar skeleton cage (2); Be provided with at least one axially vertically around rib (4) with special pile body (1) on described special pile body (1) external surface, every adjacent two is 300-5000mm around the vertical distance between the rib (4).
2. special-shaped high-bearing capacity concrete pile according to claim 1 is characterized in that: also comprise being arranged on special pile body (1) external surface and intersecting at least one the special-shaped rib (5) that forms acute angle A around rib (4); 0 °＜acute angle A≤90 °.
3. special-shaped high-bearing capacity concrete pile according to claim 1 is characterized in that: the vertical distance between every adjacent two special-shaped ribs (5) is 300-5000mm.
4. special-shaped high-bearing capacity concrete pile according to claim 1 is characterized in that: described special-shaped rib (5) with around rib (4) all be the groove shape, the cross section of its groove is recessed rectangular-shaped or recessed trapezoidal shape.
5. special-shaped high-bearing capacity concrete pile according to claim 1 is characterized in that: described special-shaped rib (5) with around rib (4) all be the projection shape, the cross section of its projection is protruding rectangular-shaped or protruding trapezoidal shape.
6. special-shaped high-bearing capacity concrete pile according to claim 2 is characterized in that: described special-shaped rib (5) is that 5-300mm, the degree of depth are 8-180mm with width around rib (4) notch.
7. special-shaped high-bearing capacity concrete pile according to claim 3 is characterized in that: described special-shaped rib (5) and width around rib (4) boss are 3-300mm, highly are 8-200mm.
8. special-shaped high-bearing capacity concrete pile according to claim 1, it is characterized in that: described end plate (3) shape of cross section is identical with the shape of cross section of special pile body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496841 CN202745049U (en) | 2012-09-26 | 2012-09-26 | Special-shaped high-bearing-capacity concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496841 CN202745049U (en) | 2012-09-26 | 2012-09-26 | Special-shaped high-bearing-capacity concrete pile |
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| CN202745049U true CN202745049U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220496841 Expired - Lifetime CN202745049U (en) | 2012-09-26 | 2012-09-26 | Special-shaped high-bearing-capacity concrete pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153348A (en) * | 2014-07-10 | 2014-11-19 | 大连大金马基础建设有限公司 | Concave-convex friction pile |
-
2012
- 2012-09-26 CN CN 201220496841 patent/CN202745049U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153348A (en) * | 2014-07-10 | 2014-11-19 | 大连大金马基础建设有限公司 | Concave-convex friction pile |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170720 Address after: 212003 Development Zone along the Yangtze River, Shu Shu Town, Zhenjiang, Jiangsu, Jurong Patentee after: JIANHUA CONSTRUCTION MATERIALS (JIANGSU) CO.,LTD. Address before: 212413 Hebei village, Shu Shu Town, Zhenjiang City, Jiangsu, Jurong Patentee before: Jurong Changjiang Building Material Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 212413 Jurong City, Jiangsu Province under the town along the Yangtze River Development Zone Patentee after: JIANHUA CONSTRUCTION MATERIALS (CHINA) Co.,Ltd. Address before: 212003 Development Zone along the Yangtze River, Shu Shu Town, Zhenjiang, Jiangsu, Jurong Patentee before: JIANHUA CONSTRUCTION MATERIALS (JIANGSU) CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |