CN211596741U - Pretensioned prestressed concrete dado V-shaped pile - Google Patents
Pretensioned prestressed concrete dado V-shaped pile Download PDFInfo
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- CN211596741U CN211596741U CN201922371176.9U CN201922371176U CN211596741U CN 211596741 U CN211596741 U CN 211596741U CN 201922371176 U CN201922371176 U CN 201922371176U CN 211596741 U CN211596741 U CN 211596741U
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims abstract description 69
- 239000004567 concrete Substances 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of pile foundations, a pretensioning method prestressed concrete dado V type pile is disclosed, including the centrifugally formed concrete pile body, the cross section that is equipped with the framework of steel reinforcement concrete pile body is the V type structure, framework of steel reinforcement includes vertical prestressed reinforcement, vertical non-prestressed reinforcement, V type ring muscle, horizontal reinforcing bar and vertical reinforcing bar, vertical prestressed reinforcement is arranged along the axis of ordinates interval of concrete pile body, V type ring muscle is connected in the outside of vertical prestressed reinforcement at interval, horizontal reinforcing bar is connected in the inboard of V type ring muscle at interval, a plurality of vertical reinforcing bars are arranged in the matrix and the both ends of vertical reinforcing bar are connected with horizontal reinforcing bar and V type ring muscle respectively; the utility model provides a concrete pile body is centrifugal shaping, can guarantee that the closely knit degree of concrete is high and intensity is high, further strengthens bending resistance and shear resistance through horizontal reinforcing bar, vertical reinforcing bar and vertical non-prestressed reinforcement moreover.
Description
Technical Field
The utility model relates to a pile foundation technical field especially relates to a pretensioning method prestressed concrete dado V type pile.
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 (pulling) and shearing resistance of a pile body is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pretensioning method prestressed concrete dado V type stake, the concrete pile body is centrifugal shaping, can guarantee that the closely knit degree of concrete is high and intensity is high, further strengthens bending resistance and shear resistance through horizontal reinforcing bar, vertical reinforcing bar and vertical non-prestressed reinforcement moreover.
In order to achieve the above object, the present invention provides a pretensioned prestressed concrete dado V-shaped pile, including a centrifugally formed concrete pile body, wherein a cross section of the concrete pile body is a V-shaped structure, a reinforcement cage is disposed in the concrete pile body, the reinforcement cage includes a longitudinal prestressed reinforcement, a longitudinal non-prestressed reinforcement, a V-shaped ring reinforcement, a transverse reinforcement and a vertical reinforcement, a plurality of the longitudinal prestressed reinforcements are arranged at intervals along a longitudinal axis of the concrete pile body, a plurality of the V-shaped ring reinforcements are connected to an outer side of the longitudinal prestressed reinforcement at intervals along a length direction of the longitudinal prestressed reinforcement and form a main body cage, a plurality of the transverse reinforcement is connected to an inner side of the V-shaped ring reinforcement at intervals along the length direction of the longitudinal prestressed reinforcement, and a plurality of the transverse reinforcement is located at a lower portion of the longitudinal prestressed reinforcement, the transverse reinforcing steel bars are perpendicular to the longitudinal prestressed steel bars, the plurality of vertical reinforcing steel bars are arranged in a matrix, two ends of each vertical reinforcing steel bar are respectively connected with the transverse reinforcing steel bars and the V-shaped ring steel bars, and the vertical reinforcing steel bars are respectively perpendicular to the transverse reinforcing steel bars and the longitudinal prestressed steel bars; the longitudinal non-prestressed reinforcement is respectively connected with the transverse reinforcing steel bars and the vertical reinforcing steel bars, and the longitudinal non-prestressed reinforcement is parallel to the longitudinal 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 utility model discloses preferred scheme, be equipped with C type strengthening rib in the stagnant water recess, C type strengthening rib with the end connection of V type ring muscle.
As the utility model discloses preferred scheme, two on steel reinforcement cage's upper portion first erection space between the V type ring muscle is less than two at steel reinforcement cage's middle part second erection space between the V type ring muscle.
As the utility model discloses preferred scheme, two of steel reinforcement framework's lower part third erection space between the V 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, V type ring muscle, horizontal reinforcing bar and vertical reinforcing bar are the screw-thread steel.
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 V 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 transverse reinforcing steel bars, the vertical reinforcing steel bars and the longitudinal non-prestressed steel bars are located on the inner sides of the V-shaped annular bars, so that the bending resistance and the shearing resistance of the V-shaped pile can be increased.
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 V-shaped pile provided by the present invention;
fig. 2 is a schematic cross-sectional view of a pretensioned prestressed concrete retaining wall V-shaped pile 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; 2 is a steel bar framework; 11 is a water stopping groove; 12, water convex strips; 13 is a bevel opening; 14 is a hoisting hole; 21 is longitudinal prestressed reinforcement; 22 is a longitudinal non-prestressed reinforcement; 23 is a V-shaped annular rib; 24 is a transverse reinforcing steel bar; 25 is vertical reinforcing steel bar; 26 are C-shaped ribs.
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, the pretensioned prestressed concrete dado V-shaped pile according to the preferred embodiment of the present invention includes a centrifugally formed concrete pile body 1, the cross section of the concrete pile body 1 is a V-shaped structure, a reinforcement cage 2 is disposed in the concrete pile body 1, the reinforcement cage 2 includes a longitudinal prestressed reinforcement 21, a longitudinal non-prestressed reinforcement 22, a V-shaped ring reinforcement 23, a plurality of transverse reinforcing reinforcements 24, and a vertical reinforcing reinforcement 25, the longitudinal prestressed reinforcement 21 is arranged at intervals along the longitudinal axis of the concrete pile body 1, the V-shaped ring reinforcements 23 are connected to the outer side of the longitudinal prestressed reinforcement 21 at intervals along the length direction of the longitudinal prestressed reinforcement 21 and form a main body cage, the transverse reinforcing reinforcements 24 are connected to the inner side of the V-shaped ring reinforcement 23 at intervals along the length direction of the longitudinal prestressed reinforcement 21, the plurality of transverse reinforcing steel bars 24 are positioned at the lower part of the longitudinal prestressed reinforcement 21, the transverse reinforcing steel bars 24 are perpendicular to the longitudinal prestressed reinforcement 21, the plurality of vertical reinforcing steel bars 25 are arranged in a matrix manner, two ends of each vertical reinforcing steel bar 25 are respectively connected with the transverse reinforcing steel bars 24 and the V-shaped ring reinforcement 23, and the vertical reinforcing steel bars 25 are respectively perpendicular to the transverse reinforcing steel bars 24 and the longitudinal prestressed reinforcement 21; the longitudinal non-prestressed reinforcement 22 is connected with the transverse reinforcing steel bar 24 and the vertical reinforcing steel bar 25 respectively, and the longitudinal non-prestressed reinforcement 22 is parallel to the longitudinal prestressed reinforcement 21. And the later period is steam-pressure cured, the strength is improved, the concrete strength is increased to be more than or equal to V80, 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 large-scale riverways.
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; the transverse reinforcing steel bars 24, the vertical reinforcing steel bars 25 and the longitudinal non-prestressed steel bars 22 are located on the inner side of the V-shaped ring steel bars 23, so that the bending resistance and the shearing resistance of the V-shaped pile can be further increased.
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 V type piles, appear shifting during the use can also avoid adjacent V type pile atress.
Illustratively, the lower extreme of concrete pile body 1 is equipped with inward sloping bevel 13, just bevel 13 sets up and is being located one side of stagnant water recess 11, and bevel 13 of concrete pile body 1 lower extreme can produce horizontal thrust to the adjacent V type stake that has already been beaten when the V type stake is driven, extrudees the adjacent V type stake that has already been beaten through bevel 13, makes between adjacent V type stake and the V type stake inseparabler.
Exemplarily, be equipped with C type strengthening rib 26 in stagnant water recess 11, C type strengthening rib 26 with the end connection of V type ring muscle 23 can strengthen stagnant water recess 11's structural strength, avoids river course rivers impact to make the stagnant water recess 11 of V type stake appear destroy.
Illustratively, a first installation interval between two V-shaped type ring bars 23 on the upper portion of the steel reinforcement framework 2 is smaller than a second installation interval between two V-shaped type ring bars 23 at the middle portion of the steel reinforcement framework 2, and a third installation interval between two V-shaped type ring bars 23 at 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 V-shaped pile can be improved.
Illustratively, the concrete pile body 1 is provided with at least one lifting hole 14, preferably, the front end and the rear end of the concrete pile body 1 are both provided with one lifting hole 14, and the concrete pile body 1 is conveniently carried through the lifting holes 14.
Illustratively, longitudinal prestress reinforcing steel 21 is the PC rod iron, longitudinal non-prestress reinforcing steel 22, V type ring muscle 23, horizontal reinforcing steel 24 and vertical reinforcing steel 25 are the screw-thread steel, the diameter of longitudinal prestress reinforcing steel 21 is less than the diameter of longitudinal non-prestress reinforcing steel 22, through the tension force stretch-draw longitudinal prestress reinforcing steel 21 of 31Mpa, avoid the phenomenon that the concrete appears the crack through the prestressed concrete too early.
The construction mode of the V-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; and driving the V-shaped piles into the required uniform elevation, breaking pile heads, and manufacturing a 500mm high 250mm wide pressing beam according to the construction requirement.
The construction mode of the V-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 V-shaped piles into the required uniform elevation, breaking pile heads, and manufacturing a 500mm high 250mm wide pressing beam according to the construction requirement; and finally, after the construction of the V-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 pretensioned prestressed concrete dado V-shaped pile is characterized by comprising a centrifugally formed concrete pile body, wherein the cross section of the concrete pile body is of a V-shaped structure, a steel reinforcement framework is arranged in the concrete pile body and comprises longitudinal prestressed steel bars, longitudinal non-prestressed steel bars, V-shaped annular steel bars, transverse reinforcing steel bars and vertical reinforcing steel bars, the longitudinal prestressed steel bars are arranged at intervals along the longitudinal axis of the concrete pile body, the V-shaped annular steel bars are connected to the outer side of the longitudinal prestressed steel bars at intervals along the length direction of the longitudinal prestressed steel bars to form a main framework, the transverse reinforcing steel bars are connected to the inner side of the V-shaped annular steel bars at intervals along the length direction of the longitudinal prestressed steel bars, the transverse reinforcing steel bars are located at the lower parts of the longitudinal prestressed steel bars and are perpendicular to the longitudinal prestressed steel bars, the vertical reinforcing steel bars are arranged in a matrix manner, two ends of each vertical reinforcing steel bar are respectively connected with the transverse reinforcing steel bar and the V-shaped ring steel bar, and the vertical reinforcing steel bars are respectively perpendicular to the transverse reinforcing steel bars and the longitudinal prestressed steel bars; the longitudinal non-prestressed reinforcement is respectively connected with the transverse reinforcing steel bars and the vertical reinforcing steel bars, and the longitudinal non-prestressed reinforcement is parallel to the longitudinal prestressed reinforcement.
2. The V-shaped pile of a pretensioned prestressed concrete dado as claimed in claim 1, wherein a vertical water stop groove is provided on one side surface of the concrete pile body, and a water stop protrusion strip fitted with the water stop groove is provided on the other side surface of the concrete pile body.
3. The V-shaped pile of a pretensioned prestressed concrete dado according to claim 2, wherein the lower end of the concrete pile body is provided with an inwardly inclined bevel, and the bevel is provided at one side of the water stop groove.
4. The V-shaped pile of a pretensioned prestressed concrete dado as claimed in claim 2, wherein a C-shaped reinforcing rib is provided in the water stop groove, the C-shaped reinforcing rib being connected to the end of the V-shaped ring rib.
5. The V-pile of a pretensioned prestressed concrete dado according to claim 1, wherein a first installation interval between two V-shaped reinforcing bars of the upper portion of the reinforcing cage is smaller than a second installation interval between two V-shaped reinforcing bars of the middle portion of the reinforcing cage.
6. A pretensioned prestressed concrete retaining wall V-pile according to claim 5, wherein a third installation space between two of said V-shaped reinforcing bars of the lower portion of said reinforcing cage is smaller than said second installation space.
7. The V-shaped pile of a pretensioned prestressed concrete dado of claim 1, wherein said concrete pile body is provided with at least one lifting hole.
8. A pretensioned prestressed concrete retaining wall V-pile according to claim 1 wherein said longitudinal prestressed reinforcement is a PC steel bar.
9. The pretensioned prestressed concrete retaining wall V-shaped pile of claim 1, wherein the longitudinal non-prestressed reinforcement, the V-shaped ring reinforcement, the transverse reinforcement and the vertical reinforcement are all screw-thread steel.
10. A pretensioned prestressed concrete retaining wall V-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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922371176.9U CN211596741U (en) | 2019-12-24 | 2019-12-24 | Pretensioned prestressed concrete dado V-shaped pile |
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| CN201922371176.9U CN211596741U (en) | 2019-12-24 | 2019-12-24 | Pretensioned prestressed concrete dado V-shaped pile |
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| CN211596741U true CN211596741U (en) | 2020-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894720A (en) * | 2019-12-24 | 2020-03-20 | 广东华岩建材有限公司 | Pretensioned prestressed concrete dado V-shaped pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110894720A (en) * | 2019-12-24 | 2020-03-20 | 广东华岩建材有限公司 | Pretensioned prestressed concrete dado V-shaped pile |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| 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 | ||
| 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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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 529000 Building 1, No. 198, Luokeng Avenue, Luokeng Town, Xinhui District, Jiangmen City, Guangdong Province Patentee after: Guangdong Huayan Water Conservancy Industrial Development Co.,Ltd. Country or region after: China Address before: 529000 Building 1, No. 198, Luokeng Avenue, Luokeng Town, Xinhui District, Jiangmen City, Guangdong Province Patentee before: Guangdong Huayan Construction Engineering Co.,Ltd. Country or region before: China |