CN211646342U - Pretensioning prestressed concrete dado C-shaped pile - Google Patents
Pretensioning prestressed concrete dado C-shaped pile Download PDFInfo
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- CN211646342U CN211646342U CN201922371179.2U CN201922371179U CN211646342U CN 211646342 U CN211646342 U CN 211646342U CN 201922371179 U CN201922371179 U CN 201922371179U CN 211646342 U CN211646342 U CN 211646342U
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Abstract
The utility model relates to the technical field of pile foundations, a pretensioning prestressed concrete dado C type pile is disclosed, including the concrete pile body of centrifugal molding, the cross section of concrete pile body is C type structure, be equipped with framework of steel reinforcement in the concrete pile body, framework of steel reinforcement includes longitudinal prestress reinforcing steel, longitudinal non-prestressed reinforcement and C type ring reinforcement, C type ring reinforcement includes horizontal limit, sets up respectively at the vertical limit of the both ends of horizontal limit and the interior curved horizontal limit of being connected with vertical limit, C type ring reinforcement sets up along the length direction interval of concrete pile body, longitudinal prestress reinforcing steel installs the inboard and the main part skeleton of C type ring reinforcement at an interval, the inboard of two vertical limits is equipped with a longitudinal non-prestressed reinforcement respectively; the utility model discloses a centrifugal molding's concrete pile body, its concrete compactness is high and intensity is high, and the bending resistance shear behavior of C type stake is good moreover.
Description
Technical Field
The utility model relates to a pile foundation technical field especially relates to a pretensioning method prestressed concrete dado C type stake.
Background
The river course renovation bank protection embankment needs to be built with a soil-retaining supporting structure, the existing soil-retaining supporting structure mostly uses concrete sheet piles, the existing concrete sheet piles are usually formed by vibration, and the bending resistance and the shearing resistance of a pile body are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pretensioning method prestressed concrete dado C type stake, its concrete pile body makes the concrete compactness high and intensity high through centrifugal molding, and the bending resistance shear behavior of C type stake is good moreover.
In order to achieve the above object, the utility model provides a pretensioning prestressed concrete dado C type pile, including the centrifugally formed concrete pile body, the cross section of concrete pile body is C type structure, be equipped with steel reinforcement framework in the concrete pile body, steel reinforcement framework includes longitudinal prestress reinforcing steel, longitudinal non-prestressed reinforcement and C type ring reinforcement, C type ring reinforcement includes horizontal limit, sets up respectively at the perpendicular limit of both ends of horizontal limit and the interior curved horizontal limit of being connected with perpendicular limit, C type ring reinforcement sets up along the length direction interval of concrete pile body, longitudinal prestress reinforcing steel installs the inboard and the main part skeleton of connecting in C type ring reinforcement at interval, two the inboard of perpendicular limit is equipped with one respectively longitudinal non-prestressed reinforcement, C type ring reinforcement is perpendicular with longitudinal prestress reinforcing steel and longitudinal non-prestressed reinforcement respectively, the longitudinal prestressed reinforcement is parallel to the longitudinal non-prestressed reinforcement.
As the utility model discloses preferred scheme, be equipped with vertical stagnant water recess on the side of concrete pile body, be equipped with on the another side of concrete pile body with stagnant water recess complex stagnant water sand grip.
As the utility model discloses preferred scheme, the lower extreme of concrete pile body is equipped with the bevel connection of leanin, just the bevel connection sets up and is being located one side of stagnant water recess.
As the preferred proposal of the utility model, the included angle between the transverse edge and the vertical edge is 90 degrees to 110 degrees.
As the utility model discloses preferred scheme, two on steel reinforcement cage's upper portion first erection space between the C type ring muscle is less than two at steel reinforcement cage's middle part second erection space between the C type ring muscle.
As the utility model discloses preferred scheme, two of steel reinforcement framework's lower part third erection space between the C type ring muscle is less than second erection space.
As the utility model discloses preferred scheme, be equipped with at least one hole for hoist on the concrete pile body.
As the preferred scheme of the utility model, vertical prestressing steel is the PC rod iron.
As the utility model discloses preferred scheme, vertical non-prestressed reinforcement and C type ring muscle are the deformed steel bar.
As the preferred scheme of the utility model, the diameter of vertical prestressing steel is less than the diameter of vertical non-prestressing steel.
The embodiment of the utility model provides a pretensioning method prestressed concrete dado C type stake compares with prior art, and its beneficial effect lies in:
the concrete pile body in the embodiment of the utility model is formed centrifugally, so that the compactness of the concrete is high and the strength of the concrete can be enhanced; the section inertia moment can be increased through the inner bending transverse edge on the steel bar framework and the longitudinal prestressed steel bars arranged on the inner bending transverse edge, and the bending resistance and the shearing resistance of the C-shaped pile can be further enhanced; and the longitudinal non-prestressed reinforcement is arranged on the inner side of the vertical edge, so that the strength and the shearing resistance of the C-shaped pile can be improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of a pretensioned prestressed concrete dado C-shaped pile provided by the present invention;
fig. 2 is a schematic cross-sectional view of a C-shaped pile of a pretensioned prestressed concrete dado provided by the present invention;
fig. 3 is a schematic structural view of a steel reinforcement cage;
in the figure, 1 is a concrete pile body; 11 is a water stopping groove; 12, water convex strips; 13 is a hoisting hole; 2 is a steel bar framework; 21 is longitudinal prestressed reinforcement; 22 is a longitudinal non-prestressed reinforcement; 23 is a C-shaped ring rib; 231 is a transverse edge; 232 is a vertical edge; 233 are inturned transverse edges.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 3, a C-shaped pile of a pretensioned prestressed concrete dado according to a preferred embodiment of the present invention includes a centrifugally formed concrete pile body 1, a cross section of the concrete pile body 1 is a C-shaped structure, a steel reinforcement frame 2 is disposed in the concrete pile body 1, the steel reinforcement frame 2 includes a longitudinal prestressed steel bar 21, a longitudinal non-prestressed steel bar 22 and a C-shaped ring steel bar 23, the C-shaped ring steel bar 23 includes a transverse edge 231, vertical edges 232 respectively disposed at two ends of the transverse edge 231, and an inner bent transverse edge 233 connected to the vertical edges 232, the C-shaped ring steel bar 23 is disposed at intervals along a length direction of the concrete pile body 1, the longitudinal prestressed steel bar 21 is mounted and connected to an inner side and a main body frame of the C-shaped ring steel bar 23 at intervals, one longitudinal non-prestressed steel bar 22 is disposed on inner sides of two vertical edges 232, the C-shaped ring steel bar 23 is perpendicular to the longitudinal non-prestressed steel bar 21 and the longitudinal non-prestressed steel bar 22 respectively, the longitudinal prestressed reinforcement 21 is parallel to the longitudinal non-prestressed reinforcement 22. And the later period is steam-pressure cured, the strength is improved, the concrete strength is increased to be more than or equal to C80, the natural disasters of river bank water and soil loss caused by the construction difficulty of the stone-laying revetment in the weak land area due to the construction operation environment are overcome, and the method can be applied to small river channels.
Therefore, the concrete pile body 1 in the embodiment of the utility model can ensure high concrete compactness and enhance the strength of the concrete through centrifugal molding; through the inner bending transverse edge 233 on the steel reinforcement framework 2 and the longitudinal prestressed steel bars 21 arranged on the inner bending transverse edge 233, the section inertia moment can be increased, and the bending resistance and the shearing resistance of the C-shaped pile can be further enhanced; and the longitudinal non-prestressed reinforcement 22 is arranged on the inner side of the vertical edge 232, so that the strength and the shearing resistance of the C-shaped pile can be improved.
Exemplarily, be equipped with vertical stagnant water recess 11 on the side of concrete pile body 1, be equipped with on the another side of concrete pile body 1 with stagnant water recess 11 complex stagnant water sand grip 12, the stagnant water recess 11 of a concrete pile body 1 and the stagnant water sand grip 12 cooperation of another concrete pile body 1 can avoid appearing the infiltration between two adjacent C type piles, can also avoid appearing shifting when adjacent C type pile atress during the use.
Illustratively, the lower extreme of concrete pile body 1 is equipped with the bevel connection of inside slope, just the bevel connection setting is located one side of stagnant water recess 11, the bevel connection of concrete pile body 1 lower extreme can produce thrust to the adjacent C type stake of having beaten when C type stake sinking, extrudees the adjacent C type stake of having beaten through the bevel connection, makes between adjacent C type stake and the C type stake inseparabler.
Illustratively, the included angle between the transverse edge 231 and the vertical edge 232 is 90-110 degrees, so that the overall strength of the C-shaped pile can be improved.
Illustratively, a first installation interval between two C-shaped circular reinforcements 23 on the upper portion of the steel reinforcement framework 2 is smaller than a second installation interval between two C-shaped circular reinforcements 23 on the middle portion of the steel reinforcement framework 2, and a third installation interval between two C-shaped circular reinforcements 23 on the lower portion of the steel reinforcement framework 2 is smaller than the second installation interval. The front end and the rear end of the steel bar framework 2 are steel bar encryption areas, the length of the optimal steel bar encryption area is 1500mm, and the overall strength of the C-shaped pile can be improved.
Illustratively, the concrete pile body 1 is provided with at least one lifting hole 13, preferably, the front end and the rear end of the concrete pile body 1 are both provided with one lifting hole 13, and the concrete pile body 1 is conveniently carried through the lifting holes 13.
Illustratively, the longitudinal prestressed reinforcement 21 is a PC steel bar, the longitudinal non-prestressed reinforcement 22 and the C-shaped ring reinforcement 23 are both deformed steel bars, the diameter of the longitudinal prestressed reinforcement 21 is smaller than that of the longitudinal non-prestressed reinforcement 22, the longitudinal prestressed reinforcement 21 is tensioned by a tension force of 31Mpa, and the phenomenon that the concrete cracks prematurely is avoided by prestressed concrete.
The construction mode of the C-shaped pile on land is as follows: firstly, a crawler-type pile machine is used, a special pile cap clamp is arranged, and guide rail type construction is utilized; then C-shaped piles are driven into the required uniform elevation, pile heads are broken, and a 500mm high and 250mm wide pressing beam is manufactured on the C-shaped piles according to construction requirements.
The construction method of the C-shaped pile on water is as follows: firstly, using a water excavator, preparing a professional pile cap clamp, and constructing by using a guide rail type; then, driving the C-shaped piles into the required uniform elevation, breaking the pile heads, and manufacturing a 500mm high 250mm wide pressing beam according to the construction requirement; and finally, after the construction of the C-shaped pile is finished, dredging according to the requirements of a construction party.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A pre-tensioning prestressed concrete dado C-shaped pile is characterized by comprising a centrifugally formed concrete pile body, the cross section of the concrete pile body is of a C-shaped structure, a steel reinforcement framework is arranged in the concrete pile body, the steel bar framework comprises longitudinal prestressed steel bars, longitudinal non-prestressed steel bars and C-shaped annular steel bars, the C-shaped annular steel bars comprise transverse edges, vertical edges respectively arranged at two ends of the transverse edges and inner-bent transverse edges connected with the vertical edges, the C-shaped annular bars are arranged at intervals along the length direction of the concrete pile body, the longitudinal prestressed reinforcements are installed and connected at intervals on the inner sides of the C-shaped annular bars and form a main framework, the inner sides of the two vertical edges are respectively provided with one longitudinal non-prestressed reinforcement, the C-shaped ring steel bar is respectively vertical to the longitudinal prestressed steel bar and the longitudinal non-prestressed steel bar, and the longitudinal prestressed steel bar is parallel to the longitudinal non-prestressed steel bar.
2. The pre-tensioned prestressed concrete dado C-shaped pile as claimed in claim 1, wherein a vertical water-stopping groove is provided on one side surface of said concrete pile body, and a water-stopping protrusion strip engaged with said water-stopping groove is provided on the other side surface of said concrete pile body.
3. The pre-tensioned prestressed concrete retaining wall C-shaped pile as claimed in claim 2, wherein said concrete pile body is provided at its lower end with an inwardly inclined collar, and said collar is provided at a side of said water stopping groove.
4. The pretensioned prestressed concrete retaining wall C-pile of claim 1, wherein an angle between the transverse side and the vertical side is 90 ° to 110 °.
5. The pre-tensioned prestressed concrete retaining wall C-pile recited in claim 1, wherein a first installation interval between two said C-shaped reinforcing bars of the upper portion of said framework is smaller than a second installation interval between two said C-shaped reinforcing bars of the middle portion of said framework.
6. A pre-tensioned pre-stressed concrete retaining wall C-pile as claimed in claim 5, wherein a third installation distance between two said C-shaped reinforcing bars of the lower portion of said cage is smaller than said second installation distance.
7. The pretensioned prestressed concrete retaining wall C-pile of claim 1, wherein said concrete pile body is provided with at least one lifting hole.
8. A pretensioned prestressed concrete retaining wall C-pile according to claim 1 wherein said longitudinal prestressed reinforcement is a PC steel bar.
9. A pretensioned prestressed concrete retaining wall C-pile according to claim 1 wherein the longitudinal non-prestressed reinforcement and the C-shaped ring reinforcement are both deformed steel.
10. A pretensioned prestressed concrete retaining wall C-pile according to claim 1 wherein the diameter of the longitudinally prestressed reinforcement is smaller than the diameter of the longitudinally non-prestressed reinforcement.
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| CN201922371179.2U CN211646342U (en) | 2019-12-24 | 2019-12-24 | Pretensioning prestressed concrete dado C-shaped pile |
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| CN201922371179.2U CN211646342U (en) | 2019-12-24 | 2019-12-24 | Pretensioning prestressed concrete dado C-shaped pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894721A (en) * | 2019-12-24 | 2020-03-20 | 广东华岩建材有限公司 | Pretensioning prestressed concrete dado C-shaped pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894721A (en) * | 2019-12-24 | 2020-03-20 | 广东华岩建材有限公司 | Pretensioning prestressed concrete dado C-shaped pile |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220419 Address after: 414000 No. 11, opposite group, Huayuan village, Sanhe Township, Yueyanglou District, Yueyang City, Hunan Province Patentee after: Yang Huayao Address before: 529100 jidewei, Shizui village, Luokeng Town, Xinhui District, Jiangmen City, Guangdong Province Patentee before: GUANGDONG HUAYAN BUILDING MATERIAL Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: 529000 Building 1, No. 198, Luokeng Avenue, Luokeng Town, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Guangdong Huayan Construction Engineering Co.,Ltd. Address before: 414000 No. 11, opposite group, Huayuan village, Sanhe Township, Yueyanglou District, Yueyang City, Hunan Province Patentee before: Yang Huayao |
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| TR01 | Transfer of patent right |