CN210482289U - Precast concrete pile connection structure - Google Patents
Precast concrete pile connection structure Download PDFInfo
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- CN210482289U CN210482289U CN201920624333.XU CN201920624333U CN210482289U CN 210482289 U CN210482289 U CN 210482289U CN 201920624333 U CN201920624333 U CN 201920624333U CN 210482289 U CN210482289 U CN 210482289U
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Abstract
The utility model discloses a precast concrete pile connection structure, including the concrete pile, the concrete pile in be equipped with anchor muscle and main muscle respectively along concrete pile length direction, anchor muscle and main muscle all distribute along concrete pile circumferencial direction, main muscle and anchor muscle alternate arrangement, the little 30 ~ 170mm in place circle diameter of the place circle diameter ratio main muscle of anchor muscle, two liang of ties of main muscle and anchor muscle be in the same place, the utility model provides a precast concrete pile connection structure that simple structure, with low costs and overall structure intensity are high.
Description
Technical Field
The utility model relates to a building pile foundation technical field especially relates to a precast concrete pile connection structure.
Background
The pile for foundation pit supporting engineering mainly comprises cast-in-place piles and precast piles, wherein the cast-in-place concrete cast-in-place piles are formed by directly filling concrete into prefabricated reinforcing steel bars, most of the cast-in-place concrete cast-in-place piles adopt a solid section form and are naturally cured and formed, and the strength of the concrete is generally lower than that of C40. The cast-in-place concrete pile manufactured by the process is greatly influenced by weather, cannot be constructed in rainy days, cannot guarantee the construction period, has the problems of low manufacturing efficiency of a reinforcement cage, poor compression resistance and impermeability of pile body concrete, poor durability, easy occurrence of cracks and the like, cannot guarantee the quality, consumes excessive materials such as concrete, steel and the like during pouring and manufacturing, and wastes national resources. Meanwhile, the cast-in-place construction period is long, and the surrounding environment can be damaged to a certain extent. When the precast pile is used for foundation pit supporting, the defects of a cast-in-place pile can be overcome, particularly, the foundation pit supporting engineering only adopting a single-section precast pile has better economic benefit, but when a foundation pit is deeper, a plurality of sections of precast piles are required to be spliced, the joints of the precast piles often become weak links of the whole pile, particularly, for the precast pile with high reinforcement ratio, according to the prior art, a precast concrete pile connecting structure is disclosed on a national intellectual property office website, the application number is 201720593363X, a steel pipe and a flange plate are connected into a whole by utilizing a connecting plate, a shear nail is arranged in the steel pipe, the structure is complex, the cost is high, and the strength of the whole structure is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: overcome above prior art's defect, provide a simple structure, with low costs and the high precast concrete pile connection structure of overall structure intensity.
In order to realize the purpose, the technical scheme of the utility model is that:
the utility model provides a precast concrete pile connection structure, includes the concrete pile, the concrete pile in be equipped with anchor muscle and main muscle respectively along concrete pile length direction, anchor muscle and main muscle all distribute along concrete pile circumferencial direction, main muscle and anchor muscle alternate arrangement, the place circle diameter of the place circle diameter ratio main muscle of anchor muscle little 30 ~ 170mm, two liang of ties up together of main muscle and anchor muscle.
After the structure more than adopting, compared with the prior art, the utility model has the following advantage: the main reinforcement and the anchor reinforcement are arranged alternately, and the diameter of the circle where the anchor reinforcement is located is 30-170 mm smaller than that of the circle where the main reinforcement is located, so that the reinforcements are uniformly distributed, the integral structure of the pile end part is enhanced, the shear nails are omitted, the structure is simple, the cost is low, the main reinforcement and the anchor reinforcement are bound together in pairs, and the strength of the integral structure can be improved.
Preferably, the diameter of the circle where the anchoring rib is located is 50-150 mm smaller than that of the circle where the main rib is located, and the best effect is achieved, and the diameter is preferably 60mm, 100mm and 120 mm.
Preferably, the flange plate is arranged between the end parts of the concrete piles, and the two ends of the anchoring rib are respectively welded on the flange plate, so that the integrity of the anchoring rib and the flange plate can be enhanced, and the reduction of the use performance of the flange plate caused by the arrangement of the anchoring hole is avoided.
Preferably, the anchoring ribs are deformed steel bars, so that the strength is high and the effect is good.
Preferably, the concrete pile comprises a connecting plate, the end part of the concrete pile is sleeved with a steel pipe, the two ends of the connecting plate are respectively positioned on the steel pipe, the middle part of the connecting plate is positioned on the flange, the steel pipe and the flange are connected into a whole by the connecting plate, the arrangement of the steel pipe can effectively reduce the stress concentration phenomenon at the end plate, and the bending resistance of the joint can be improved.
Preferably, the thickness of the steel pipe is 5-15 mm, so that the bending resistance and the shearing resistance of a pile splicing part are stronger when the steel pipe is welded with a connecting plate, and meanwhile, the steel pipe is less in material and low in cost.
Preferably, the thickness of the steel pipe is 8-12 mm, the effect is optimal, and 8mm, 10mm and 12mm are preferred.
Preferably, the width of the connecting plate is 160mm, the length of the connecting plate is 250-450 mm, and the thickness of the connecting plate is 5-15 mm, so that the bending resistance of the pile body joint can be improved to the maximum extent, the bending resistance of the joint and the strength of the pile body are equal, the material consumption is reduced to the minimum, and the cost is low.
Preferably, the length of the connecting plate is 300-400 mm, the thickness of the connecting plate is 8-12 mm, the effect is optimal, the length of the connecting plate is preferably 330mm, 350mm and 380mm, and the thickness of the connecting plate is preferably 8mm, 10mm and 12 mm.
Preferably, the number of the connecting plates is six, the connecting plates are distributed along the circumferential direction of the flange plate, and the connecting plates can better connect the steel pipe and the flange plate.
Preferably, the main ribs and the anchoring ribs are bound together through steel wires, so that the structure is simple and the operation is convenient.
Drawings
Fig. 1 is a front sectional view of a precast concrete pile connection structure of the present invention;
fig. 2 is a schematic cross-sectional view of a flange plate of a precast concrete pile connection structure of the present invention;
FIG. 3 is the utility model relates to a precast concrete pile connection structure ring flange and anchor muscle be connected the schematic diagram.
The concrete pile comprises 1 concrete pile, 2 flange plates, 3 steel pipe, 4 connecting plates, 5 main ribs, 6 anchoring ribs.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in the figure, the utility model provides a precast concrete pile connecting structure, which comprises a concrete pile 1, wherein an anchoring rib 6 and a main rib 5 are respectively arranged in the concrete pile 1 along the length direction of the concrete pile 1, the anchoring rib 6 and the main rib 5 are both distributed along the circumferential direction of the concrete pile 1, the main rib 5 and the anchoring rib 6 are arranged alternatively, the diameter of the circle where the anchoring rib 6 is arranged is 30-170 mm smaller than that of the circle where the main rib 5 is arranged, and the main rib 5 and the anchoring rib 6 are bound together in pairs, the utility model has the advantages that the main rib 5 and the anchoring rib 6 are arranged alternatively, because the diameter of the circle where the anchoring rib 6 is arranged is 30-170 mm smaller than that of the circle where the main rib 5 is arranged, the reinforcing steel bars are uniformly distributed, the integral structure of the pile end part is reinforced, the shear nails are saved simultaneously, the structure is simple, the cost is low, and the main rib 5 and the anchoring rib 6 are bound together in pairs, the strength of the overall structure can be improved.
The diameter of the circle where the anchoring rib 6 is located is 50-150 mm smaller than that of the circle where the main rib 5 is located, and the effect is optimal, preferably 60mm, 100mm and 120 mm.
Concrete pile 1 tip between be equipped with ring flange 2, 6 both ends of anchor muscle weld respectively on ring flange 2, can strengthen anchor muscle 6 and ring flange 2's wholeness, avoided leading to the fact ring flange 2 performance to reduce because of establishing the anchor hole.
The anchoring ribs 6 are made of deformed steel bars, and are high in strength and good in effect.
The concrete pile comprises a concrete pile body and is characterized by further comprising a connecting plate 4, the end portion of the concrete pile body 1 is sleeved with a steel pipe 3, two ends of the connecting plate 4 are located on the steel pipe 3 respectively, the middle portion of the connecting plate 4 is located on the flange plate 2, the steel pipe 3 and the flange plate 2 are connected into a whole through the connecting plate 4, the stress concentration phenomenon at the end plate can be effectively reduced due to the arrangement of the steel pipe 3, the bending resistance of a joint can be improved, the bending resistance of the pile body joint can be greatly improved due to the fact that the connecting plate 4 is integrally connected with the steel pipe 3 and the flange plate 2 together, the bending resistance of the joint and the strength of the pile body are equal, the site labor and the construction cost can be greatly reduced, the construction period can be shortened, the problems existing in cast-in-site bored concrete piles can be avoided.
The thickness of the steel pipe 3 is 5-15 mm, so that the bending resistance and the shearing resistance of a pile splicing part are stronger when the steel pipe 3 is welded with the connecting plate 4, and meanwhile, the steel pipe is less in material and low in cost.
The thickness of the steel pipe 3 is 8-12 mm, the effect is optimal, and the optimal thickness is 8mm, 10mm and 12 mm.
The width of connecting plate 4 be 160mm, the length of connecting plate 4 be 250 ~ 450mm, the thickness of connecting plate 4 be 5 ~ 15mm, can the maximum amplitude improve the bending resistance of pile body joint, realize the bending resistance of joint and pile body uniform strength, the material quantity reduces to the minimum simultaneously, with low costs.
The length of connecting plate 4 be 300 ~ 400mm, the thickness of connecting plate 4 be 8 ~ 12mm, the effect is best, the length of connecting plate is preferred 330mm, 350mm and 380mm, the thickness of connecting plate 4 is preferred 8mm, 10mm and 12 mm.
The main ribs 5 and the anchoring ribs 6 are bound together through steel wires, and the steel wire fixing device is simple in structure and convenient to operate.
Particularly, the utility model discloses a principle is that main muscle 5 and 6 alternate arrangements of anchor muscle, because anchor muscle 6's place circle diameter ratio main muscle 5's place circle diameter is 30 ~ 170mm less, can make reinforcing bar evenly distributed, reinforcing pile tip position overall structure has saved the shear force nail simultaneously, simple structure, and is with low costs, and main muscle 5 and 6 two liang of ligatures of anchor muscle are in the same place, can improve overall structure's intensity, and main muscle 5 and anchor muscle 6 are located same circumference at the projection of left surface.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (10)
1. The utility model provides a precast concrete pile connection structure, includes concrete pile (1), concrete pile (1) in be equipped with anchor muscle (6) and main muscle (5) respectively along concrete pile (1) length direction, anchor muscle (6) and main muscle (5) all distribute along concrete pile (1) circumferencial direction, main muscle (5) and anchor muscle (6) alternate arrangement, its characterized in that: the diameter of the circle where the anchoring rib (6) is located is 30-170 mm smaller than that of the circle where the main rib (5) is located, and the main rib (5) and the anchoring rib (6) are bound together in pairs.
2. A precast concrete pile connection structure according to claim 1, wherein: the diameter of the circle where the anchoring rib (6) is located is 50-150 mm smaller than that of the circle where the main rib (5) is located.
3. A precast concrete pile connection structure according to claim 1, wherein: the concrete pile is characterized in that a flange plate (2) is arranged between the end parts of the concrete piles (1), and the two ends of the anchoring rib (6) are respectively welded on the flange plate (2).
4. A precast concrete pile connection structure according to claim 1, wherein: the anchoring ribs (6) are made of deformed steel bars.
5. A precast concrete pile connection structure according to claim 3, wherein: the concrete pile is characterized by further comprising a connecting plate (4), the end portion of the concrete pile (1) is sleeved with a steel pipe (3), two ends of the connecting plate (4) are located on the steel pipe (3) respectively, the middle portion of the connecting plate (4) is located on the flange plate (2), and the steel pipe (3) and the flange plate (2) are connected into a whole through the connecting plate (4).
6. A precast concrete pile connection structure according to claim 5, wherein: the thickness of the steel pipe (3) is 5-15 mm.
7. A precast concrete pile connection structure according to claim 5, wherein: the width of connecting plate (4) be 160mm, the length of connecting plate (4) be 250 ~ 450mm, the thickness of connecting plate (4) be 5 ~ 15 mm.
8. A precast concrete pile connection structure according to claim 7, wherein: the length of connecting plate (4) be 300 ~ 400mm, the thickness of connecting plate (4) be 8 ~ 12 mm.
9. A precast concrete pile connection structure according to claim 5, wherein: the number of the connecting plates (4) is six, and the connecting plates (4) are distributed along the circumferential direction of the flange plate (2).
10. A precast concrete pile connection structure according to claim 1, wherein: the main ribs (5) and the anchoring ribs (6) are bound together through steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624333.XU CN210482289U (en) | 2019-04-30 | 2019-04-30 | Precast concrete pile connection structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920624333.XU CN210482289U (en) | 2019-04-30 | 2019-04-30 | Precast concrete pile connection structure |
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| CN210482289U true CN210482289U (en) | 2020-05-08 |
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| CN201920624333.XU Active CN210482289U (en) | 2019-04-30 | 2019-04-30 | Precast concrete pile connection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424647A (en) * | 2020-05-19 | 2020-07-17 | 上海勘察设计研究院(集团)有限公司 | Concrete precast pile connecting device and construction method thereof |
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2019
- 2019-04-30 CN CN201920624333.XU patent/CN210482289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424647A (en) * | 2020-05-19 | 2020-07-17 | 上海勘察设计研究院(集团)有限公司 | Concrete precast pile connecting device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Prefabricated concrete pile connection structure Effective date of registration: 20230825 Granted publication date: 20200508 Pledgee: Jiangmen Rural Commercial Bank Co.,Ltd. Shuangshui Branch Pledgor: Jiangmen Hengda pipe pile Co.,Ltd. Registration number: Y2023980053878 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |