CN108914961B - Communication iron tower foundation adopting spiral anchors and construction method - Google Patents
Communication iron tower foundation adopting spiral anchors and construction method Download PDFInfo
- Publication number
- CN108914961B CN108914961B CN201810879103.8A CN201810879103A CN108914961B CN 108914961 B CN108914961 B CN 108914961B CN 201810879103 A CN201810879103 A CN 201810879103A CN 108914961 B CN108914961 B CN 108914961B
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- Prior art keywords
- anchor
- spiral
- pipe body
- anchors
- concrete
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/54—Piles with prefabricated supports or anchoring parts; Anchoring piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/56—Screw piles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Foundations (AREA)
Abstract
The invention relates to a communication iron tower foundation adopting a spiral anchor and a construction method thereof, comprising a concrete bearing platform and the spiral anchor, wherein a communication iron tower drum is arranged on the concrete bearing platform, the spiral anchor is arranged on the lower side surface of the concrete bearing platform, the spiral anchor comprises an anchor rod, an anchor disc is arranged at the lower part of the anchor rod, a pipe body is sleeved at the upper part of the anchor rod, the upper end of the pipe body is inserted into the concrete bearing platform, a reinforcement cage is arranged in the pipe body, the reinforcement cage is positioned between the anchor rod and the inner wall of the pipe body, grouting concrete is filled between the anchor rod and the inner wall of the pipe body, and the spiral anchor comprises a plurality of vertical spiral anchors positioned in the middle part of the lower side surface of the concrete bearing platform and a plurality of inclined spiral anchors positioned at the periphery of the vertical spiral anchors.
Description
Technical Field
The invention relates to a communication tower foundation adopting a spiral anchor and a construction method.
Background
The conventional communication iron tower foundation adopts a large-plate foundation, a pile foundation, a casting foundation or a gravity foundation, the foundation is too large, large-area excavation is needed, damage to large-area vegetation and loss of water and soil are caused, heavy equipment is needed, the construction labor intensity is high, and if the field operation is frequently carried, the construction cost is greatly increased.
Disclosure of Invention
The invention provides a communication tower foundation adopting a spiral anchor and a construction method.
The technical problem is solved by adopting the scheme that the communication iron tower foundation adopting the spiral anchor comprises a concrete bearing platform and the spiral anchor, wherein a communication iron tower barrel is arranged on the concrete bearing platform, the spiral anchor is arranged on the lower side surface of the concrete bearing platform, the spiral anchor comprises an anchor rod, an anchor disc is arranged at the lower part of the anchor rod, a pipe body is sleeved at the upper part of the anchor rod, the upper end of the pipe body is inserted into the concrete bearing platform, a steel reinforcement cage is arranged in the pipe body, the steel reinforcement cage is positioned between the anchor rod and the inner wall of the pipe body, and grouting concrete is filled between the anchor rod and the inner wall of the pipe body.
Further, the spiral anchor comprises a plurality of vertical spiral anchors positioned in the middle of the lower side face of the concrete bearing platform, and a plurality of inclined spiral anchors positioned on the periphery of the vertical spiral anchors, and the pipe body comprises a vertical pipe body connected with the vertical spiral anchors and an inclined pipe body connected with the inclined spiral anchors.
Further, three inclined screw anchors are arranged, the vertical inclination angles of all the inclined screw anchors are the same, and the projection of all the inclined screw anchors in a plane is equiangular distribution.
Furthermore, the flange plate and the foundation bolts are required to be embedded in the concrete bearing platform.
Further, the anchor plates are welded on the anchor rods, the number of the anchor plates on each anchor rod is not less than 3, and the distances among the anchor plates are distributed at equal intervals.
Further, the pipe body is a PVC pipe or a steel pipe, and the diameter of the pipe body is larger than that of the anchor rod.
Further, the difference between the diameter of the pipe body and the diameter of the anchor rod should be not less than 20cm.
Further, the grouting concrete and the concrete bearing platform in the pipe body are simultaneously poured into a whole, and the concrete strength is not lower than C30.
A construction method of a communication iron tower foundation adopting a spiral anchor comprises the following steps: (1) Excavating a circular groove at the position of the tower barrel of the communication iron tower to serve as a bearing platform foundation; (2) Drilling each spiral anchor into the designed depth by adopting a mechanical drilling machine; (3) Sleeving a pipe body at the top of each spiral anchor, and cleaning or tamping soil in the pipe; (4) placing the steel bar cage in the pipe; (5) placing an embedded flange plate and foundation bolts; (6) And pouring concrete into the pipe and the circular groove to integrate the concrete at the top of the spiral anchor with the concrete bearing platform.
Compared with the prior art, the invention has the following beneficial effects: the novel hydraulic pile has the advantages of simple structure, high construction speed, short construction period, good maneuverability, less earthwork, reduced damage to vegetation and good application prospect.
Drawings
The patent of the invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of section A-A of FIG. 1;
in the figure:
1-a communication iron tower barrel; 2-a concrete bearing platform; 3-vertical screw anchors; 4-helical anchors; 5-anchor rods; 6, an anchor disc; 7-a tube body; 8-grouting concrete.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
1-2, A communication iron tower foundation adopting spiral anchors comprises a concrete bearing platform and the spiral anchors, wherein a communication iron tower barrel is arranged on the concrete bearing platform, the spiral anchors are arranged on the lower side face of the concrete bearing platform, each spiral anchor comprises an anchor rod, an anchor disc is arranged at the lower part of each anchor rod, a pipe body is sleeved on the upper part of each anchor rod, the upper ends of the pipe bodies are inserted into the concrete bearing platform, reinforcement cages are arranged in the pipe bodies and are located between the anchor rods and the inner walls of the pipe bodies, and grouting concrete is filled between the anchor rods and the inner walls of the pipe bodies.
In this embodiment, the screw anchor includes a plurality of vertical screw anchors that are located concrete cap downside middle part, and a plurality of oblique screw anchors that are located vertical screw anchor periphery, and vertical screw anchors mainly bear vertical load and pull-up load, and the screw anchor can mainly improve the horizontal force and the horizontal deformation of foundation except that can share vertical load and pull-up load to reduce the horizontal deformation and the inclination deformation of communication top of the tower, the body includes the vertical body of being connected with vertical screw anchor, the oblique body of being connected with oblique screw anchor.
In this embodiment, three inclined screw anchors are provided, the vertical inclination angles of each inclined screw anchor are the same, and the projections of each inclined screw anchor in the plane are distributed at equal angles.
In the embodiment, a flange plate and foundation bolts are required to be embedded in the concrete bearing platform and used for connecting each spiral anchor and the communication iron tower barrel.
In the embodiment, the anchor plates are welded on the anchor rods, the number of the anchor plates on each anchor rod is not less than 3, and the distances among the anchor plates are distributed at equal intervals.
In this embodiment, the pipe body is a PVC pipe or a steel pipe, and the diameter of the pipe body is larger than the anchor rod.
In this embodiment, the difference between the diameter of the tube and the diameter of the anchor rod should be not less than 20cm.
In the embodiment, the grouting concrete and the concrete bearing platform in the pipe body are cast into a whole at the same time, and the concrete strength is not lower than C30.
A construction method of a communication iron tower foundation adopting a spiral anchor comprises the following steps: (1) Excavating a circular groove at the position of the tower barrel of the communication iron tower to serve as a bearing platform foundation; (2) Drilling each spiral anchor into the designed depth by adopting a mechanical drilling machine; (3) Sleeving a pipe body at the top of each spiral anchor, and cleaning or tamping soil in the pipe; (4) placing the steel bar cage in the pipe; (5) placing an embedded flange plate and foundation bolts; (6) And pouring concrete into the pipe and the circular groove to integrate the concrete at the top of the spiral anchor with the concrete bearing platform.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the invention will be apparent to those skilled in the art from the following description, wherein the invention is described, by way of illustration and example only, and it is intended that the invention not be limited to the specific embodiments illustrated and described, but that the invention is to be limited to the specific embodiments illustrated and described.
Claims (7)
1. A communication iron tower foundation adopting a spiral anchor is characterized in that: the concrete pile comprises a concrete pile cap and a spiral anchor, wherein a communication iron tower drum is arranged on the concrete pile cap, the spiral anchor is arranged on the lower side surface of the concrete pile cap, the spiral anchor comprises an anchor rod, an anchor disc is arranged at the lower part of the anchor rod, a pipe body is sleeved at the upper part of the anchor rod, the upper end of the pipe body is inserted into the concrete pile cap, a reinforcement cage is arranged in the pipe body, the reinforcement cage is positioned between the anchor rod and the inner wall of the pipe body, and grouting concrete is filled between the anchor rod and the inner wall of the pipe body;
the spiral anchors comprise a plurality of vertical spiral anchors positioned in the middle of the lower side surface of the concrete bearing platform, a plurality of inclined spiral anchors positioned at the periphery of the vertical spiral anchors, and the pipe body comprises a vertical pipe body connected with the vertical spiral anchors and an inclined pipe body connected with the inclined spiral anchors;
the anchor plates are welded on the anchor rods, the number of the anchor plates on each anchor rod is not less than 3, and the distances among the anchor plates are distributed at equal intervals.
2. The pylon foundation of claim 1 wherein the helical anchors are: the three inclined screw anchors are arranged, the vertical inclination angles of the inclined screw anchors are the same, and the projection of the inclined screw anchors in the plane is equiangular.
3. The pylon foundation of claim 1 wherein the helical anchors are: the flange plate and the foundation bolts are required to be embedded in the concrete bearing platform.
4. The pylon foundation of claim 1 wherein the helical anchors are: the pipe body is a PVC pipe or a steel pipe, and the diameter of the pipe body is larger than that of the anchor rod.
5. The pylon foundation of claim 1 wherein the helical anchors are: the difference between the diameter of the pipe body and the diameter of the anchor rod should be not less than 20cm.
6. The pylon foundation of claim 1 wherein the helical anchors are: and the grouting concrete and the concrete bearing platform in the pipe body are simultaneously poured into a whole, and the concrete strength is not lower than C30.
7. A construction method of a communication tower foundation adopting a screw anchor, which adopts the communication tower foundation adopting the screw anchor as claimed in claim 3, comprising the following steps: (1) Excavating a circular groove at the position of the tower barrel of the communication iron tower to serve as a bearing platform foundation; (2) Drilling each spiral anchor into the designed depth by adopting a mechanical drilling machine; (3) Sleeving a pipe body at the top of each spiral anchor, and cleaning or tamping soil in the pipe; (4) placing the steel bar cage in the pipe; (5) placing an embedded flange plate and foundation bolts; (6) And pouring concrete into the pipe and the circular groove to integrate the concrete at the top of the spiral anchor with the concrete bearing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879103.8A CN108914961B (en) | 2018-08-03 | 2018-08-03 | Communication iron tower foundation adopting spiral anchors and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879103.8A CN108914961B (en) | 2018-08-03 | 2018-08-03 | Communication iron tower foundation adopting spiral anchors and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108914961A CN108914961A (en) | 2018-11-30 |
| CN108914961B true CN108914961B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810879103.8A Active CN108914961B (en) | 2018-08-03 | 2018-08-03 | Communication iron tower foundation adopting spiral anchors and construction method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453716A (en) * | 2019-08-08 | 2019-11-15 | 广东天联电力设计有限公司 | Foundation pile reinforcement means and transmission line of electricity stake |
| CN110528956B (en) * | 2019-09-29 | 2024-07-19 | 国网河南省电力公司新密市供电公司 | Intelligent electric pole base, installation device and construction method |
| CN111576463A (en) * | 2020-04-02 | 2020-08-25 | 国网浙江省电力有限公司湖州供电公司 | A steel pipe spiral anchor group pile foundation |
| CN113090097B (en) * | 2021-03-30 | 2024-03-12 | 湖南省永盛电力器材有限公司 | Transmission line iron tower component for signal tower |
| CN115288119B (en) * | 2022-09-01 | 2024-08-13 | 绍兴大明电力设计院有限公司 | Prefabricated bearing type miniature pile-anchor rod composite foundation and construction method thereof |
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| GB8523398D0 (en) * | 1984-01-30 | 1985-10-23 | Kenny Patrick Michael | Embedment anchor |
| CN1399039A (en) * | 2002-09-03 | 2003-02-26 | 贾金青 | Root-less support pile for side wall of foundation pit and its construction process |
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| CN202809633U (en) * | 2012-10-10 | 2013-03-20 | 上海市城市建设设计研究总院 | Connecting structure of pre-stressed high-strength concrete (PHC) pipe pile and bearing platform |
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| CN104711995A (en) * | 2015-03-24 | 2015-06-17 | 北京中水新能工程技术有限公司 | Spiral pile anchor rod |
| CN104818726A (en) * | 2015-05-21 | 2015-08-05 | 上海市城市建设设计研究总院 | Connecting structure of steel pipe pile and reinforced concrete bearing platform |
| CN204982931U (en) * | 2015-08-03 | 2016-01-20 | 四川电力设计咨询有限责任公司 | Freeze proof bloated photovoltaic support basis |
| CN207194002U (en) * | 2017-09-25 | 2018-04-06 | 国家电网公司 | Assembled composite screw anchor pole mat foundation |
| CN208717938U (en) * | 2018-08-03 | 2019-04-09 | 福州铭林钢塔钢构制造有限公司 | Using the communication iron tower foundation of Screw Anchor |
-
2018
- 2018-08-03 CN CN201810879103.8A patent/CN108914961B/en active Active
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| GB8523398D0 (en) * | 1984-01-30 | 1985-10-23 | Kenny Patrick Michael | Embedment anchor |
| CN1399039A (en) * | 2002-09-03 | 2003-02-26 | 贾金青 | Root-less support pile for side wall of foundation pit and its construction process |
| CN201172830Y (en) * | 2008-03-11 | 2008-12-31 | 山河建设集团有限公司 | Anchor rod static-pressing pile foundation in tower crane |
| CN101892671A (en) * | 2010-08-11 | 2010-11-24 | 霍宏斌 | Pile anchor rod foundation structure |
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| Publication number | Publication date |
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| CN108914961A (en) | 2018-11-30 |
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