CN212926130U - Prestressed pipe pile cap grid beam integral structure - Google Patents
Prestressed pipe pile cap grid beam integral structure Download PDFInfo
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- CN212926130U CN212926130U CN202021369126.3U CN202021369126U CN212926130U CN 212926130 U CN212926130 U CN 212926130U CN 202021369126 U CN202021369126 U CN 202021369126U CN 212926130 U CN212926130 U CN 212926130U
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Abstract
The utility model relates to a prestressed pipe pile cap grider monolithic structure, including many prestressed pipe piles that are matrix distribution, plain concrete bed course has been laid to the upper end of many prestressed pipe piles, and the upper end of every prestressed pipe pile is provided with the pile cap, is connected with horizontal reinforced concrete grider between the pile cap of two adjacent prestressed pipe pile upper ends on horizontal, is connected with vertical reinforced concrete grider between the pile cap of two adjacent prestressed pipe pile upper ends on vertical. The utility model has the advantages of reasonable design, add between the pile cap indulge, horizontal lattice girder, make all prestressed pipe piles form wholly, prevent that follow-up construction process from leading to tubular pile structure unstability, soft base processing failure, improve the pile group effect, easy operation during actual construction.
Description
The technical field is as follows:
the utility model relates to a prestressing force tubular pile cap grider monolithic structure.
Background art:
when the existing soft foundation treatment is carried out by adopting a prestressed pipe pile, firstly, the construction of the prestressed pipe pile is carried out, and then, the cast-in-place construction of a pile cap is carried out, wherein the pile cap is generally square. Pile caps above different pile bodies are independent stress structures, and a certain distance is kept between adjacent pile caps. The disadvantages of this construction method are: when the pile cap construction is completed, the next construction procedure is a mattress layer above the pile cap, roadbed earthwork backfilling or pile body side earthwork excavation process, particularly a layering rolling process is needed in the earthwork backfilling process, so that the inclination of a pile body of a roadbed side pile or a foundation pit adjacent to the pile is easily caused, the pipe pile is unstable, and once the instability is difficult to repair, the overall effect of soft foundation treatment is seriously influenced.
The utility model has the following contents:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, promptly the utility model aims to solve the technical problem that a prestressing force tubular pile cap gride monolithic structure is provided, structural design is reasonable, effectively solves the disease problem of pile body unstability, improves the groupware effect.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a prestressed pipe pile cap grider monolithic structure, includes many prestressed pipe piles that are matrix distribution, plain concrete bed course has been laid to many prestressed pipe pile's upper end, and the upper end of every prestressed pipe pile is provided with the pile cap, is connected with horizontal reinforced concrete grider between the pile cap of two adjacent prestressed pipe pile upper ends on horizontal, is connected with vertical reinforced concrete grider between the pile cap of two adjacent prestressed pipe pile upper ends on vertical.
Further, the inside embedded steel bar that is equipped with in upper end of prestressed pipe pile, prestressed pipe pile is stretched out and the anchor reinforcing bar that is used for being connected with the pile cap is connected to the upper end of embedded steel bar.
Furthermore, the inside level setting of linking firmly in the upper end of stress tube stake in advance and being used for supporting the round steel plate in embedded steel bar bottom, the top packing of round steel plate has micro-expansion concrete.
Furthermore, the anchoring reinforcing steel bars are of ladder-shaped structures with small upper end sizes and large lower end sizes, and connecting reinforcing steel bars for connecting with the transverse reinforced concrete lattice beams or the longitudinal reinforced concrete lattice beams extend around the lower ends of the anchoring reinforcing steel bars.
Furthermore, the pile cap is octagonal, two waist edges of the pile cap are perpendicular to the horizontal axis of the pile cap respectively and are used for being connected with the transverse reinforced concrete lattice beam, and two bottom edges of the pile cap are perpendicular to the vertical center line of the pile cap respectively and are used for being connected with the longitudinal reinforced concrete lattice beam.
Furthermore, the length of the waist edge of the pile cap, the length of the bottom edge of the pile cap, the width of the transverse reinforced concrete lattice beam and the width of the longitudinal reinforced concrete lattice beam are all the same as the outer diameter of the prestressed pipe pile.
Further, the obtuse angle between the bevel edge of the pile cap and the transverse reinforced concrete lattice beam or the longitudinal reinforced concrete lattice beam is 135 degrees.
Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of reasonable design, add between the pile cap indulge, horizontal lattice girder, make all prestressed pipe piles form wholly, prevent that follow-up construction process from leading to tubular pile structure unstability, soft base processing failure, improve the pile group effect, easy operation during actual construction.
Description of the drawings:
fig. 1 is a plan view of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a structural diagram of reinforcement at the pile cap in the embodiment of the present invention;
fig. 4 is a schematic plane view of reinforcement at the pile cap in the embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1 ~ 4, the utility model relates to a prestressed pipe pile cap gridwork monolithic structure, including many prestressed pipe piles 1 that are matrix distribution, C15 plain concrete bed course 2 has been laid to many prestressed pipe pile 1's upper end, and every prestressed pipe pile 1's upper end is provided with pile cap 3, is connected with horizontal reinforced concrete gridwork 4 between pile cap 3 of two adjacent prestressed pipe pile 1 upper ends on horizontal, is connected with vertical reinforced concrete gridwork 5 between pile cap 3 of two adjacent prestressed pipe pile 1 upper ends on vertical. By additionally arranging the longitudinal and transverse reinforced concrete lattice beams between the pile caps 3, all prestressed pipe piles form a whole, so that the instability of the pipe pile structure and the failure of soft foundation treatment caused by subsequent construction procedures are prevented, the pile group effect is improved, and the operation is simple during actual construction.
In the embodiment, a horizontally arranged round steel plate 6 is fixedly connected inside the upper end of the prestressed pipe pile 1, an embedded steel bar 7 is arranged above the round steel plate 6, the round steel plate 6 supports the embedded steel bar 7, C30 micro-expansion concrete 8 is filled around the embedded steel bar 7, and the filling depth is not less than 50 cm; the upper end of the embedded steel bar 7 extends out of the prestressed pipe pile 1 and is connected with an anchoring steel bar 9 used for being connected with the pile cap 3. Preferably, the anchoring reinforcing steel bars are in a ladder-shaped structure with small upper end size and large lower end size, and connecting reinforcing steel bars 10 for connecting with the transverse reinforced concrete lattice beams 4 or the longitudinal reinforced concrete lattice beams 5 extend around the lower ends of the anchoring reinforcing steel bars 9.
In this embodiment, the pile cap 3 is octagonal, two waist edges 301 of the pile cap 3 are perpendicular to the horizontal axis of the pile cap 3 (i.e. vertical edges) respectively and are used for connecting with the transverse reinforced concrete lattice beam 4, and two bottom edges 302 of the pile cap 3 are perpendicular to the vertical center line of the pile cap (i.e. horizontal edges) respectively and are used for connecting with the longitudinal reinforced concrete lattice beam 5. Preferably, the length of the waist edge of the pile cap 3, the length of the bottom edge of the pile cap 3, the width of the transverse reinforced concrete lattice beam 4 and the width of the longitudinal reinforced concrete lattice beam 5 are all the same as the outer diameter of the prestressed pipe pile 1.
In this embodiment, the obtuse angle between the inclined edge 303 of the pile cap 3 and the transverse reinforced concrete grid beam 4 or the longitudinal reinforced concrete grid beam 5 is 135 °.
In this embodiment, the pile caps 3, the transverse reinforced concrete lattice beams 4 and the longitudinal reinforced concrete lattice beams 5 are cast synchronously, the thickness of the pile caps is generally 50cm, and the thickness of the transverse reinforced concrete lattice beams and the longitudinal reinforced concrete lattice beams is 50 cm.
In this embodiment, the pile bolck elevation of prestressed pipe pile 1 is generally higher than the flat elevation of field 20cm, plain concrete bed course 2's thickness is 10cm, is convenient for pile cap and lattice beam formwork erection.
The utility model discloses a construction method as follows: after the construction of the pile foundation is finished, the elevation of the pile top is generally 20cm higher than the elevation of the field, and a plain concrete cushion layer with the thickness of 10cm is paved, so that a pile cap and a lattice beam vertical mold are convenient to construct; the prestressed pipe pile adopts plain concrete to fill a core, the depth is not less than 50cm, and meanwhile, an anchoring steel bar is arranged to connect with a pile cap, and the thickness of the pile cap is generally 50 cm; in the transverse direction, a transverse reinforced concrete lattice beam is arranged between two adjacent pile caps, in the longitudinal direction, a longitudinal reinforced concrete lattice beam is arranged between two adjacent pile caps, the thickness of the lattice beam is 50cm, and the lattice beam and the pile caps are cast and constructed synchronously; and after the concrete is cured, carrying out earthwork backfilling and construction of a conventional mattress layer.
The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a prestressed pipe pile cap grider monolithic structure, includes many prestressed pipe piles that are matrix distribution, its characterized in that: plain concrete cushion layers are laid at the upper ends of the prestressed pipe piles, a pile cap is arranged at the upper end of each prestressed pipe pile, a transverse reinforced concrete lattice beam is connected between the pile caps at the upper ends of every two transversely adjacent prestressed pipe piles, and a longitudinal reinforced concrete lattice beam is connected between the pile caps at the upper ends of every two longitudinally adjacent prestressed pipe piles.
2. The integral prestressed tubular pile cap lattice beam structure of claim 1, wherein: the inside embedded steel bar that is equipped with in upper end of prestressing force tubular pile, prestressing force tubular pile is stretched out and anchoring reinforcing bar that is used for being connected with the pile cap is connected to the upper end of embedded steel bar.
3. The integral prestressed tubular pile cap lattice beam structure of claim 2, wherein: the upper end of the prestressed pipe pile is internally and fixedly connected with a round steel plate which is horizontally arranged and used for supporting the bottom of the embedded steel bar, and micro-expansion concrete is filled above the round steel plate.
4. The integral prestressed tubular pile cap lattice beam structure of claim 2, wherein: the anchoring reinforcing steel bars are of a ladder-shaped structure with small upper end size and large lower end size, and connecting reinforcing steel bars for connecting with the transverse reinforced concrete lattice beams or the longitudinal reinforced concrete lattice beams extend around the lower ends of the anchoring reinforcing steel bars.
5. The integral prestressed tubular pile cap lattice beam structure of claim 1, wherein: the pile cap is octagonal, two waist edges of the pile cap are perpendicular to the horizontal axis of the pile cap respectively and are used for being connected with the transverse reinforced concrete lattice beams, and two bottom edges of the pile cap are perpendicular to the vertical center line of the pile cap respectively and are used for being connected with the longitudinal reinforced concrete lattice beams.
6. The integral prestressed tubular pile cap lattice beam structure of claim 5, wherein: the length of the waist edge of the pile cap, the length of the bottom edge of the pile cap, the width of the transverse reinforced concrete lattice beam and the width of the longitudinal reinforced concrete lattice beam are all the same as the outer diameter of the prestressed pipe pile.
7. The integral prestressed tubular pile cap lattice beam structure of claim 5, wherein: the obtuse angle between the bevel edge of the pile cap and the transverse reinforced concrete lattice beam or the longitudinal reinforced concrete lattice beam is 135 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369126.3U CN212926130U (en) | 2020-07-14 | 2020-07-14 | Prestressed pipe pile cap grid beam integral structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369126.3U CN212926130U (en) | 2020-07-14 | 2020-07-14 | Prestressed pipe pile cap grid beam integral structure |
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| CN212926130U true CN212926130U (en) | 2021-04-09 |
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| CN202021369126.3U Active CN212926130U (en) | 2020-07-14 | 2020-07-14 | Prestressed pipe pile cap grid beam integral structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215092A (en) * | 2021-12-16 | 2022-03-22 | 中山西部外环高速公路有限公司 | Supporting plate overhead pile cap tie beam structure and construction method thereof |
| CN115450211A (en) * | 2022-08-29 | 2022-12-09 | 中亿丰建设集团股份有限公司 | Method for assembling construction of prestressed pipe pile cap steel bars |
-
2020
- 2020-07-14 CN CN202021369126.3U patent/CN212926130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215092A (en) * | 2021-12-16 | 2022-03-22 | 中山西部外环高速公路有限公司 | Supporting plate overhead pile cap tie beam structure and construction method thereof |
| CN115450211A (en) * | 2022-08-29 | 2022-12-09 | 中亿丰建设集团股份有限公司 | Method for assembling construction of prestressed pipe pile cap steel bars |
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