CN102505680A - Prestressed reinforced concrete special-shaped precast pile - Google Patents
Prestressed reinforced concrete special-shaped precast pile Download PDFInfo
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- CN102505680A CN102505680A CN2011103249116A CN201110324911A CN102505680A CN 102505680 A CN102505680 A CN 102505680A CN 2011103249116 A CN2011103249116 A CN 2011103249116A CN 201110324911 A CN201110324911 A CN 201110324911A CN 102505680 A CN102505680 A CN 102505680A
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Abstract
The invention relates to a prestressed reinforced concrete special-shaped precast pile, wherein the concrete precast pile is special in shape, the center of the concrete precast pile is provided with a center hole, two ends of the concrete precast pile are respectively provided with a pile cap made from a steel plate, the shape of each pile cap is the same as the cross section shape of the concrete precast pile, one end of each pile cap is provided with a 45-degree groove, the pile caps and the precast pile are fixed by bolts, and every two concrete precast piles are connected with one another into a whole in a welding way by virtue of the pile caps; and the cross section of the special-shaped precast pile is a hexagon with three long edges and three short edges formed by cutting off three top angles of equilateral triangle or three external angles formed by outwards extending three tangent lines with arc or circular pile-shaped short edges, and the external angles are acute angles, 90-degree angles or obtuse angles. The prestressed reinforced concrete special-shaped precast pile has the advantages that the external surface area of the special-shaped precast pile is increased, so that the vertical frictional force and the vertical bearing capacity can be greatly improved; and simultaneously, the cross section is increased, so that the bending resistance of a pile body can be correspondingly increased as well, i.e., the bearing capacity of the whole pile body can be effectively improved.
Description
Technical field
The present invention relates to a kind of prestressed reinforced concrete preformed pile, the special-shaped preformed pile of particularly a kind of prestressed reinforced concrete.
Background technology
At present; For improving the bearing capacity of soft soil foundation; Reinforced concrete driven cast-in-place piles, precast reinforced concrete square pile, the reinforced concretes of adopting bore empty bored concrete pile and the stake of prestressed reinforced concrete circle more, its soft soil foundation lateral bearing power less, high rise building foundation is used is restricted.
Summary of the invention
The present invention provides a kind of prestressed reinforced concrete special-shaped preformed pile for solving the control problem that exists in the known technology.
The technical scheme that the present invention takes for the control problem that exists in the solution known technology is: it comprises prestressed reinforcement and concrete preformed pile; It is characterized in that: the stake type of concrete preformed pile is for special-shaped, and the center of concrete preformed pile has centre bore, and the two ends of concrete preformed pile have the pile cover of making of steel plate respectively; The shape of pile cover is identical with the section configuration of concrete preformed pile; One end of pile cover has 45 ° of grooves, reinforcing bar anchor connection in pile cover and the preformed pile, and per two concrete preformed piles are welded to connect through pile cover and are integral; Main muscle is along concrete preformed pile periphery, and stirrup is fixed along the peripheral length direction interval stitch of main muscle.
The present invention can also adopt following technical measures:
The section of described special-shaped preformed pile is to cut three drift angles three the long limits of formation of equilateral triangle and the hexagon of three short straight flanges, or three minor faces are circular arc;
The section of described special-shaped preformed pile is that the tangent line of circle stake stretches out into three exterior angles, and this exterior angle is acute angle or 90 ° of angles or obtuse angle.
Advantage and good effect that the present invention has are: special-shaped preformed pile has increased external surface area, has improved vertical frictional force and vertical bearing capacity greatly; Simultaneously, increased cross section, the corresponding bending resistance that also strengthens pile body has promptly effectively improved the supporting capacity of whole pile body.
Description of drawings
Fig. 1 is the structural representation of hexagon straightsided shape concrete preformed pile;
Fig. 2 is that minor face is the structural representation of arc concrete preformed pile section in the hexagon;
Fig. 3 is the structural representation that circle stake tangent line becomes three exterior angle concrete preformed pile sections.
Among Fig. 1-Fig. 3: 1. concrete preformed pile, 2. centre bore, 3. pile cover, 4. main muscle; § 5. stirrups, the 6. hexagon of three long limits and three short straight flanges, the 7. hexagon on three long limits and three short circular arc limits, 8. exterior angle; 9. arc, 10.A concrete preformed pile, 11.A centre bore
12.A main muscle.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, the following examples of giving an example now, and conjunction with figs. specifies as follows, sees also Fig. 1-Fig. 3.
Embodiment 1: the hexagonal concrete preformed pile 1 that constitutes three long limits and three minor faces with three drift angles that cut equilateral triangle is that example is explained,
As shown in Figure 1: the stake type of concrete preformed pile 1 is special-shaped, and the center of concrete preformed pile 1 has centre bore 2, and because of the concrete bearing capacity in centre is little, the diameter of its centre bore 2 is about 1/3-1/5 cylinder of long edge lengths; Be about 15 meters for the ease of transporting every concrete preformed pile 1; 15 meters can not be satisfied load bearing requirements in practical application, are mostly that the bending resistance of whole like this pile body just concentrates on two connecting portions more than two joints; So the two ends of concrete preformed pile 1 have the pile cover of making of steel plate 3 respectively; The shape of pile cover 3 is identical with the section configuration of concrete preformed pile 1, and per two concrete preformed piles 1 are integral through being welded to connect of pile cover 3, to strengthen the bearing capacity of weld strength and node; One end of pile cover 3 has 45 ° of grooves, main muscle 4 anchor connections in pile cover 3 and the concrete preformed pile 1; This shape is compared with side stake, increases in the concrete amount under about 15% the situation, and it is about 35% that external surface area has increased, and improved vertical frictional force and vertical bearing capacity greatly; Simultaneously; It is about 20% that cross section has increased, and the corresponding bending resistance that also strengthens pile body promptly effectively promotes the supporting capacity of whole pile body; Main muscle 4 is along concrete preformed pile 1 periphery; Main muscle 4 is a skeleton, and stirrup 5 is fixed along main muscle 4 peripheral length direction interval stitches, and main muscle 4 is anchored on the pile cover 3 at concrete preformed pile 1 two ends; As shown in Figure 2: the minor face of this shape can develop into the arc 9 that outwards rises by straight flange, and concrete increases by 22%, and external surface increases by 35.6%, and holding capacity is better, and other is identical with short straight flange stake.
Its advantage is: special-shaped preformed pile has increased external surface area, has improved vertical frictional force and vertical bearing capacity greatly; Simultaneously, increased cross section, the corresponding bending resistance that also strengthens pile body has promptly effectively improved the supporting capacity of whole pile body.
Embodiment 2: becoming three 90 ° exterior angle concrete preformed piles with circle stake tangent line is that example is explained
As shown in Figure 3: it serves as that two angles in basis are 90 ° of center lines and intersection point a, the b of circle stake that circle stake tangent line becomes the section of three exterior angle concrete preformed piles to form to be with the circle stake; Outwards do round tangent line with intersection point a, b; The intersection point of two tangent lines generates 90 ° of exterior angle A; It is c, d that two center lines change 30 ° of intersection points with the circle stake again, and then ac and bd line segment are arc, and it is e, f that two center lines change 90 ° of intersection points with the circle stake again; Outwards do round tangent line respectively from c, e and b, f point, the intersection point of two tangent lines generates 90 ° of two other exterior angle B and C (these three exterior angle A, B, C can also be acute angle or obtuse angle); The center of A concrete preformed pile 10 has A centre bore 11, and because of the concrete bearing capacity in centre is little, the diameter of its A centre bore 11 is about 1/3-1/5 cylinder of long edge lengths; Be about 15 meters for the ease of transporting every A concrete preformed pile 10; 15 meters can not be satisfied load bearing requirements in practical application, are mostly that the bending resistance of whole like this pile body just concentrates on two connecting portions more than two joints; So the two ends of A concrete preformed pile 10 have the pile cover of making of steel plate respectively; The shape of pile cover is identical with the section configuration of A concrete preformed pile 10, and per two A concrete preformed piles 10 are integral through being welded to connect of pile cover, to strengthen the bearing capacity of weld strength and node; One end of pile cover has 45 ° of grooves, and pile cover and A concrete preformed pile 10 are used bolt; Effectively promote the supporting capacity of whole pile body, A master's muscle 12 is along A concrete preformed pile 10 periphery, and A master's muscle 12 is a skeleton, and stirrup is fixed along A master's muscle 12 peripheral length direction interval stitches, and A master's muscle 12 is anchored on the pile cover at A concrete preformed pile 10 two ends; Because of the increase of external surface, improved vertical frictional force and vertical bearing capacity greatly, simultaneously, the corresponding bending resistance that also strengthens pile body of the increase of cross section, promptly effective supporting capacity that promotes whole pile body; The fixing means of its stirrup is identical with embodiment 1.
Its advantage is: special-shaped preformed pile has increased external surface area, has improved vertical frictional force and vertical bearing capacity greatly; Simultaneously, increased cross section, the corresponding bending resistance that also strengthens pile body has promptly effectively improved the supporting capacity of whole pile body.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that those of ordinary skills make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (3)
1. the special-shaped preformed pile of a prestressed reinforced concrete; It comprises prestressed reinforcement and concrete preformed pile; It is characterized in that: the stake type of concrete preformed pile 1 is for special-shaped, and the center of concrete preformed pile (1) has centre bore (2), and the two ends of concrete preformed pile (1) have the pile cover of making of steel plate (3) respectively; The shape of pile cover (3) is identical with the section configuration of concrete preformed pile (1); One end of pile cover (3) has 45 ° of grooves, main muscle (4) anchor connection in pile cover (3) and the preformed pile (1), and per two concrete preformed piles (1) are integral through being welded to connect of pile cover (3); Main muscle (4) is along concrete preformed pile (1) periphery, and stirrup (5) is fixed along the peripheral length direction interval stitch of main muscle (4).
2. the special-shaped preformed pile of prestressed reinforced concrete according to claim 1; It is characterized in that: the section of described special-shaped preformed pile is to cut three drift angles three the long limits of formation of equilateral triangle and the hexagon (6) of three short straight flanges, or three minor faces are circular arc (7).
3. the special-shaped preformed pile of prestressed reinforced concrete according to claim 1 is characterized in that: the section of described special-shaped preformed pile is that the tangent line of circle stake stretches out into three exterior angles (8), and this exterior angle is acute angle or 90 ° of angles or obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103249116A CN102505680A (en) | 2011-10-24 | 2011-10-24 | Prestressed reinforced concrete special-shaped precast pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103249116A CN102505680A (en) | 2011-10-24 | 2011-10-24 | Prestressed reinforced concrete special-shaped precast pile |
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| CN102505680A true CN102505680A (en) | 2012-06-20 |
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| CN2011103249116A Pending CN102505680A (en) | 2011-10-24 | 2011-10-24 | Prestressed reinforced concrete special-shaped precast pile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046539A (en) * | 2013-01-09 | 2013-04-17 | 中国地质大学（武汉） | Antiskid pile with outer isosceles trapezoid cross section and in unequal interval arrangement |
| CN103046543A (en) * | 2013-01-09 | 2013-04-17 | 中国地质大学（武汉） | Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement |
| CN103572753A (en) * | 2012-08-09 | 2014-02-12 | 上海中技桩业股份有限公司 | Partial prestressed concrete hollow triangular pile |
| RU2594499C1 (en) * | 2015-04-01 | 2016-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Омский государственный технический университет" | Pile |
| CN106480879A (en) * | 2016-02-15 | 2017-03-08 | 王郁东 | A kind of prestressed concrete Quincunx tubular pile |
| RU2693628C1 (en) * | 2018-04-18 | 2019-07-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный технический университет" | Pile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327434A (en) * | 2001-05-07 | 2002-11-15 | Nakamine Shinji | Concrete pile and its manufacturing method and leader device |
| CN201459717U (en) * | 2009-08-05 | 2010-05-12 | 李劼 | Prestressed concrete polygonal solid or hollow pile |
| CN201560424U (en) * | 2009-11-20 | 2010-08-25 | 上海强劲基础工程有限公司 | Triangular concrete pile |
| CN101914913A (en) * | 2010-08-16 | 2010-12-15 | 句容长江建材有限公司 | Pretensioned prestressed concrete quadrilateral pile and production method thereof |
| CN202000338U (en) * | 2011-04-19 | 2011-10-05 | 上海中技桩业股份有限公司 | Hollow square pile of foundation |
| CN202298604U (en) * | 2011-10-24 | 2012-07-04 | 天津开发区福林发展有限公司 | Prestressed reinforcement concrete special-shaped precast pile |
-
2011
- 2011-10-24 CN CN2011103249116A patent/CN102505680A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327434A (en) * | 2001-05-07 | 2002-11-15 | Nakamine Shinji | Concrete pile and its manufacturing method and leader device |
| CN201459717U (en) * | 2009-08-05 | 2010-05-12 | 李劼 | Prestressed concrete polygonal solid or hollow pile |
| CN201560424U (en) * | 2009-11-20 | 2010-08-25 | 上海强劲基础工程有限公司 | Triangular concrete pile |
| CN101914913A (en) * | 2010-08-16 | 2010-12-15 | 句容长江建材有限公司 | Pretensioned prestressed concrete quadrilateral pile and production method thereof |
| CN202000338U (en) * | 2011-04-19 | 2011-10-05 | 上海中技桩业股份有限公司 | Hollow square pile of foundation |
| CN202298604U (en) * | 2011-10-24 | 2012-07-04 | 天津开发区福林发展有限公司 | Prestressed reinforcement concrete special-shaped precast pile |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572753A (en) * | 2012-08-09 | 2014-02-12 | 上海中技桩业股份有限公司 | Partial prestressed concrete hollow triangular pile |
| CN103572753B (en) * | 2012-08-09 | 2016-02-03 | 上海中技桩业股份有限公司 | A kind of partially prestressed concrete hollow triangular pile |
| CN103046539A (en) * | 2013-01-09 | 2013-04-17 | 中国地质大学（武汉） | Antiskid pile with outer isosceles trapezoid cross section and in unequal interval arrangement |
| CN103046543A (en) * | 2013-01-09 | 2013-04-17 | 中国地质大学（武汉） | Antiskid pile with hollow outer isosceles trapezoid cross section and in unequal interval arrangement |
| CN103046539B (en) * | 2013-01-09 | 2015-03-04 | 中国地质大学（武汉） | Antiskid pile with outer isosceles trapezoid cross section and in unequal interval arrangement |
| RU2594499C1 (en) * | 2015-04-01 | 2016-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Омский государственный технический университет" | Pile |
| CN106480879A (en) * | 2016-02-15 | 2017-03-08 | 王郁东 | A kind of prestressed concrete Quincunx tubular pile |
| RU2693628C1 (en) * | 2018-04-18 | 2019-07-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Омский государственный технический университет" | Pile |
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Application publication date: 20120620 |