CN105604087A - Miniature pile group foundation pile with hinged joint and manufacturing method - Google Patents
Miniature pile group foundation pile with hinged joint and manufacturing method Download PDFInfo
- Publication number
- CN105604087A CN105604087A CN201610167432.0A CN201610167432A CN105604087A CN 105604087 A CN105604087 A CN 105604087A CN 201610167432 A CN201610167432 A CN 201610167432A CN 105604087 A CN105604087 A CN 105604087A
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- Prior art keywords
- ball pivot
- lower half
- connecting bolt
- pile
- articulated joint
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- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 abstract 4
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/16—Foundations formed of separate piles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a miniature pile foundation pile with a hinge joint and a manufacturing method thereof, wherein the miniature pile foundation pile comprises an upper spherical hinge half part, a lower spherical hinge half part, a connecting bolt, an anchoring steel bar and a pile body, wherein the upper spherical hinge half part is provided with a convex downward spherical crown, a positioning pre-drilled hole is arranged in the center, the diameter of the pre-drilled hole is larger than that of the connecting bolt, and a plurality of anchoring steel bars are fixedly connected with the top of the upper spherical hinge half part; the lower half part of the spherical hinge is provided with a plurality of concave upward spherical segments, the plurality of anchoring steel bars are fixedly connected with the bottom of the lower half part of the spherical hinge, the connecting bolt penetrates through the pre-drilled hole to fasten the upper half part of the spherical hinge and the lower half part of the spherical hinge together, and the anchoring steel bars of the lower half part of the spherical hinge are fixed in the pile body through a building. The invention effectively reduces the bending moment of the micro pile under the action of horizontal load, reduces the reinforcing bars of the pile body, effectively improves the bearing capacity and the service life of the micro group pile foundation, has simple operation, high efficiency, definite force transmission and good stress performance, and is suitable for the foundation engineering of the transmission tower.
Description
Technical field
The invention belongs to building field, particularly a kind of miniature multi-column pier foundation stake with articulated joint and preparation method thereof.
Background technology
Mini pile refers generally to a footpath and is less than the Small Diameter Pile that 400mm, slenderness ratio are greater than 30, adopt the construction technologies such as boring and slip casing by pressure, because of advantages such as its load-carrying properties are good, construction equipment is simple, construction space is little, noise is little, be widely used in recent years in Transmission Tower-line line pole tower basis, particularly soft soil foundation line project in China's Coastal Areas is built.
The miniature pile foundation of existing transmission line of electricity adopts pile body reinforcing bar to extend into cushion cap conventionally, realizes both fixed by building. But be subject to the impact of transmission tower environment for use and loading characteristic, in transmission line of electricity running, miniature multi-column pier foundation bears larger horizontal loading, the pattern that stake rigidly connects with cushion cap produces pile body and bears and cause high and the uneconomical and easy destruction of the pile body ratio of reinforcement compared with large moment of flexure, to the larger potential safety hazard of top transmission tower formation.
Summary of the invention
The object of the present invention is to provide and develop a kind of bending that reduces, improve the stress performance of stake, be applicable to miniature multi-column pier foundation stake with articulated joint of existing pole and tower foundation engineering and preparation method thereof.
The technical solution that realizes the object of the invention is:
A kind of miniature multi-column pier foundation stake with articulated joint, comprise the ball pivot first half, ball pivot Lower Half, connecting bolt, anchor bar, pile body, the described ball pivot first half is provided with the downward spherical crown of convex, center is provided with prebored hole, wherein the diameter of prebored hole is greater than the diameter of connecting bolt screw rod, and some anchor bars are fixedly connected with the top of the ball pivot first half; Ball pivot Lower Half is provided with spill segment upwards, and center is provided with the screw corresponding with connecting bolt, and some anchor bars are fixedly connected with the bottom of ball pivot Lower Half; Connecting bolt, through prebored hole, tightens together the ball pivot first half with ball pivot Lower Half, between the screw rod of connecting bolt and prebored hole hole wall, leave gap; The anchor bar of ball pivot Lower Half is fixed in pile body body by building.
A preparation method for miniature multi-column pier foundation stake based on articulated joint, is characterized in that, comprises the following steps:
Step 1, at ball pivot Lower Half bottom surface welding anchor bar, by building armored concrete, ball pivot Lower Half and bottom surface anchor bar are linked into an integrated entity;
Step 2, arrange multiple circular grooves at the pile body upper end-face edge of the miniature multi-column pier foundation stake with articulated joint, rubber blanket is embedded in its groove;
Step 3, in the concave surface of ball pivot Lower Half inlaid polytetrafluoroethylsliders slide plate, have rubber seal at polytetrafluoroethylene (PTFE) slide plate peripheral sleeve;
Step 4, the ball pivot first half are positioned in ball pivot Lower Half, the screw of the prebored hole of the ball pivot first half and ball pivot Lower Half is on a center line, connecting bolt is passed to prebored hole, between the screw rod of connecting bolt and prebored hole hole wall, leave certain gap, the bolt that is rotatably connected makes the ball pivot first half tighten together with ball pivot Lower Half, form a power transmission clear and definite, the miniature multi-column pier foundation pile crown that stress performance is good is hinged, and the ball pivot first half is also welded with anchor rib;
Step 5, build one deck plain concrete at ball pivot first half top, form the parcel protection to the ball pivot first half, plain concrete strength is than the high grade of cushion cap concrete;
Step 6, layout cushion cap arrangement of reinforcement, build cushion cap.
The present invention compared with prior art, its remarkable advantage:
(1) the present invention has solved because of the excessive problem of the fixed bending causing with the articulated manner of the miniature multi-column pier foundation stake of articulated joint, has reduced the impact of horizontal loading on pile foundation, has effectively improved miniature clump of piles base service life;
(2) compared to common buildings pile foundation, a miniature clump of piles is general stressed less, is conducive to adopt the miniature multi-column pier foundation stake with articulated joint;
(3) the present invention tightens up two parts ball pivot by connecting bolt with the miniature multi-column pier foundation stake of articulated joint, and simple to operate, efficiency is high;
(4) the present invention is good with the miniature multi-column pier foundation stake hinge method stress performance of articulated joint, and power transmission is clear and definite, is applicable to transmission tower foundation engineering.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention with the miniature multi-column pier foundation stake of articulated joint.
Fig. 2 is foundation pile structural representation of the present invention.
Fig. 3 is the miniature multi-column pier foundation stake articulated joint top view of the present invention with articulated joint.
Detailed description of the invention
In conjunction with Fig. 1-Fig. 3: a kind of miniature multi-column pier foundation stake with articulated joint of the present invention, comprise the ball pivot first half 1, ball pivot Lower Half 2, connecting bolt 3, anchor bar 4, pile body 5, the described ball pivot first half 1 is provided with the downward spherical crown of convex, center is provided with prebored hole 12, and prebored hole 12 diameters should meet " Construction of Steel Structure inspection of quality specification " relevant regulations (GB50205-2001). Wherein the diameter of prebored hole 12 is greater than the diameter of connecting bolt 3 screw rods, and some anchor bars 4 are fixedly connected with the top of the ball pivot first half 1; Ball pivot Lower Half 2 is provided with spill segment upwards, and center is provided with the screw corresponding with connecting bolt 3, and some anchor bars 4 are fixedly connected with the bottom of ball pivot Lower Half 2; Connecting bolt 3, through prebored hole 12, tightens together the ball pivot first half 1 with ball pivot Lower Half 2, between the screw rod of connecting bolt 3 and prebored hole 12 hole walls, leave gap; The anchor bar 4 of ball pivot Lower Half 2 is fixed in pile body 5 bodies by building.
Described pile body 5 tip edge are provided with some rubber blankets 10, are convenient to cushion the active force of contact-making surface.
Between the described ball pivot first half 1 and ball pivot Lower Half 2, be provided with polytetrafluoroethylene (PTFE) slide plate 11, reduce the friction between upper and lower ball pivot.
Between the described hinge first half 1 and ball pivot Lower Half 2, be provided with ring-shaped rubber sealing ring 9, play the protective effect to ball pivot inside, extend its service life.
One deck plain concrete 7 is built at the described ball pivot first half 1 top, forms the parcel protection to the ball pivot first half 1.
The described ball pivot first half 1 and ball pivot Lower Half 2 all adopt steel material to make.
The described anchor bar 4 that is fixed on the ball pivot first half 1 and ball pivot Lower Half 2 is more than or equal to respectively four, and anchor bar 4 adopts " J " shape structure, adopts the anchor bar 4 of four above " J " shape structures that ball pivot head is connected with concrete more firm.
A preparation method for miniature multi-column pier foundation stake based on articulated joint, comprises the following steps:
Step 1, at ball pivot Lower Half 2 bottom surfaces welding anchor bars 4, by building armored concrete, ball pivot Lower Half 2 and bottom surface anchor bar 4 are linked into an integrated entity, and formation of pile and quality should meet " technical code for building pile foundation " relevant regulations (JGJ94-2008);
Step 2, arrange multiple circular grooves at pile body 5 upper end-face edges of the miniature multi-column pier foundation stake with articulated joint, rubber blanket 10 is embedded in its groove;
Step 3, in the concave surface of ball pivot Lower Half 2 inlaid polytetrafluoroethylsliders slide plate 11, have rubber seal 9 at polytetrafluoroethylene (PTFE) slide plate 11 peripheral sleeves;
Step 4, the ball pivot first half 1 are positioned in ball pivot Lower Half 2, the prebored hole 12 of the ball pivot first half 1 and the screw of ball pivot Lower Half 2 are on a center line, connecting bolt 3 is passed to prebored hole 12, between the screw rod of connecting bolt 3 and prebored hole 12 hole walls, leave certain gap, the bolt 3 that is rotatably connected makes the ball pivot first half 1 tighten together with ball pivot Lower Half 2, form a power transmission clear and definite, the miniature multi-column pier foundation pile crown that stress performance is good is hinged, and the ball pivot first half 1 is also welded with anchor rib;
Step 5, build one deck plain concrete 7 at the ball pivot first half 1 top, form the parcel protection to the ball pivot first half 1, the high grade of plain concrete 7 strength ratio cushion cap 6 concrete;
Step 6, layout cushion cap 6 arrangements of reinforcement, build cushion cap 6.
The present invention uses the upper and lower two parts of ball pivot to form spherojoint with the miniature multi-column pier foundation stake of articulated joint, and leave gap between the screw rod of connecting bolt and the prebored hole hole wall of ball pivot Lower Half, effectively alleviate that cushion cap is subject to compared with large horizontal force, thereby effectively prevent that foundation pile is because being fractureed by horizontal force.
Claims (9)
1. the miniature multi-column pier foundation stake with articulated joint, it is characterized in that: comprise the ball pivot first half (1), ball pivot Lower Half (2), connecting bolt (3), anchor bar (4), pile body (5), the described ball pivot first half (1) is provided with the downward spherical crown of convex, center is provided with prebored hole (12), the diameter of wherein prebored hole (12) is greater than the diameter of connecting bolt (3) screw rod, and some anchor bars (4) are fixedly connected with the top of the ball pivot first half (1); Ball pivot Lower Half (2) is provided with spill segment upwards, and center is provided with the screw corresponding with connecting bolt (3), and some anchor bars (4) are fixedly connected with the bottom of ball pivot Lower Half (2); Connecting bolt (3), through prebored hole (12), tightens together the ball pivot first half (1) with ball pivot Lower Half (2), between the screw rod of connecting bolt (3) and prebored hole (12) hole wall, leave gap; The anchor bar (4) of ball pivot Lower Half (2) is fixed in pile body (5) body by building.
2. the miniature multi-column pier foundation stake with articulated joint according to claim 1, is characterized in that, described pile body (5) tip edge is provided with some rubber blankets (10).
3. the miniature multi-column pier foundation stake with articulated joint according to claim 1, is characterized in that, between the described ball pivot first half (1) and ball pivot Lower Half (2), is provided with polytetrafluoroethylene (PTFE) slide plate (11).
4. the miniature multi-column pier foundation stake with articulated joint according to claim 3, is characterized in that, between the described hinge first half (1) and ball pivot Lower Half (2), is provided with ring-shaped rubber sealing ring (9).
5. the miniature multi-column pier foundation stake with articulated joint according to claim 1, is characterized in that, one deck plain concrete (7) is built at the described ball pivot first half (1) top.
6. the miniature multi-column pier foundation stake with articulated joint according to claim 1, is characterized in that, the described ball pivot first half (1) and ball pivot Lower Half (2) all adopt steel material to make.
7. the miniature multi-column pier foundation stake with articulated joint according to claim 1, is characterized in that, described anchor bar (4) adopts " J " shape structure.
8. the miniature multi-column pier foundation stake with articulated joint according to claim 1, is characterized in that, described in be fixed on the ball pivot first half (1) and ball pivot Lower Half (2) anchor bar (4) be more than or equal to respectively four.
9. based on the preparation method with the miniature multi-column pier foundation stake of articulated joint described in claim 1, it is characterized in that, comprise the following steps:
Step 1, at ball pivot Lower Half (2) bottom surface welding anchor bar (4), by building armored concrete, ball pivot Lower Half (2) and bottom surface anchor bar (4) are linked into an integrated entity;
Step 2, arrange multiple circular grooves at pile body (5) upper end-face edge of the miniature multi-column pier foundation stake with articulated joint, rubber blanket (10) is embedded in its groove;
Step 3, in the concave surface of ball pivot Lower Half (2) inlaid polytetrafluoroethylsliders slide plate (11), have rubber seal (9) at polytetrafluoroethylene (PTFE) slide plate (11) peripheral sleeve;
Step 4, the ball pivot first half (1) is positioned in ball pivot Lower Half (2), the prebored hole (12) of the ball pivot first half (1) and the screw of ball pivot Lower Half (2) are on a center line, connecting bolt (3) is passed to prebored hole (12), between the screw rod of connecting bolt (3) and prebored hole (12) hole wall, leave certain gap, the bolt (3) that is rotatably connected makes the ball pivot first half (1) tighten together with ball pivot Lower Half (2), form a power transmission clear and definite, the miniature multi-column pier foundation pile crown that stress performance is good is hinged, the ball pivot first half 1 is also welded with anchor rib,
Step 5, build one deck plain concrete (7) at the ball pivot first half (1) top, form the parcel protection to the ball pivot first half (1), the high grade of plain concrete (7) strength ratio cushion cap (6) concrete;
Step 6, layout cushion cap (6) arrangement of reinforcement, build cushion cap (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167432.0A CN105604087A (en) | 2016-03-23 | 2016-03-23 | Miniature pile group foundation pile with hinged joint and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167432.0A CN105604087A (en) | 2016-03-23 | 2016-03-23 | Miniature pile group foundation pile with hinged joint and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105604087A true CN105604087A (en) | 2016-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167432.0A Pending CN105604087A (en) | 2016-03-23 | 2016-03-23 | Miniature pile group foundation pile with hinged joint and manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105604087A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185390A (en) * | 2019-06-10 | 2019-08-30 | 中铁五局集团建筑工程有限责任公司 | A kind of mini pile clump of piles boring positioning guiding device and application method |
| CN111395189A (en) * | 2020-04-02 | 2020-07-10 | 中交路桥华南工程有限公司 | Bridge rotation structure construction method based on spherical hinge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102124A (en) * | 1987-10-14 | 1989-04-19 | Kubota Ltd | Support structure for concrete structure |
| CN1295638A (en) * | 1999-02-03 | 2001-05-16 | 日本皮拉工业株式会社 | Pile foundation structure |
| CN202273242U (en) * | 2011-09-07 | 2012-06-13 | 中国电力科学研究院 | Base of union type mini type pile rod tower |
| CN204875842U (en) * | 2015-08-11 | 2015-12-16 | 国家电网公司 | Firm cement wire pole fixed connection device |
| CN205617413U (en) * | 2016-03-23 | 2016-10-05 | 国网江苏省电力公司连云港供电公司 | Miniature pile group foundation pile with hinged joint |
-
2016
- 2016-03-23 CN CN201610167432.0A patent/CN105604087A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102124A (en) * | 1987-10-14 | 1989-04-19 | Kubota Ltd | Support structure for concrete structure |
| CN1295638A (en) * | 1999-02-03 | 2001-05-16 | 日本皮拉工业株式会社 | Pile foundation structure |
| CN202273242U (en) * | 2011-09-07 | 2012-06-13 | 中国电力科学研究院 | Base of union type mini type pile rod tower |
| CN204875842U (en) * | 2015-08-11 | 2015-12-16 | 国家电网公司 | Firm cement wire pole fixed connection device |
| CN205617413U (en) * | 2016-03-23 | 2016-10-05 | 国网江苏省电力公司连云港供电公司 | Miniature pile group foundation pile with hinged joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185390A (en) * | 2019-06-10 | 2019-08-30 | 中铁五局集团建筑工程有限责任公司 | A kind of mini pile clump of piles boring positioning guiding device and application method |
| CN111395189A (en) * | 2020-04-02 | 2020-07-10 | 中交路桥华南工程有限公司 | Bridge rotation structure construction method based on spherical hinge |
| CN111395189B (en) * | 2020-04-02 | 2021-09-10 | 中交路桥华南工程有限公司 | Bridge rotation structure construction method based on spherical hinge |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |
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| WD01 | Invention patent application deemed withdrawn after publication |