CN115045326B - Construction method of integrated foot bolt - Google Patents
Construction method of integrated foot bolt Download PDFInfo
- Publication number
- CN115045326B CN115045326B CN202210909616.5A CN202210909616A CN115045326B CN 115045326 B CN115045326 B CN 115045326B CN 202210909616 A CN202210909616 A CN 202210909616A CN 115045326 B CN115045326 B CN 115045326B
- Authority
- CN
- China
- Prior art keywords
- bolt
- rag
- protruding thorns
- protruding
- drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000005553 drilling Methods 0.000 claims abstract description 29
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 239000011435 rock Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
Landscapes
- 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)
- Piles And Underground Anchors (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses an integrated foot bolt construction method, which comprises the following steps: drilling a borehole in a bedrock using a drilling rig; inserting the anchor bolt into the borehole; and filling structural adhesive into the drilling hole. The problem that the time consumption of emergency rescue of the foundation bolts is long under the condition of rock-based geology in the prior art is solved.
Description
Technical Field
The invention relates to an integrated foot bolt construction method, and belongs to the technical field of foundation bolts.
Background
In places where foundation bolts are needed, such as wind power generation towers or high-voltage line towers, in order to ensure the ground grabbing capacity of the foundation bolts, the structure adopted by the connection structure of the foundation bolts and the ground is as follows: a hole with the diameter of more than 1 meter is dug in the ground, then a bolt is inserted into the hole, and then an anchor bolt is installed on the bolt. However, this structure has problems in that the amount of earth in which a hole having a diameter of 1 meter or more is dug is excessively large under the condition of the rock base geology, and the ground is hard under the condition of the rock base geology, and it is difficult to make a hole having a diameter of 1 meter or more in such hard ground. Especially in the application scenario of emergency rescue, the time spent by the structure is unacceptable.
Disclosure of Invention
The invention aims to solve the technical problems that: the integrated foot bolt construction method is provided to overcome the defects in the prior art.
The technical scheme of the invention is as follows: an integrated foot bolt construction method, the method comprising:
drilling a borehole in a bedrock using a drilling rig;
inserting the anchor bolt into the borehole;
and filling structural adhesive into the drilling hole.
Further, the side surface of the anchor bolt insertion borehole is provided with protruding thorns, wherein the protruding thorns comprise more than 1 protruding thorns which are distributed on the side surface of the anchor bolt insertion borehole.
Further, the spike is directed upwards.
Further, the protruding thorns are hinged to the side surface of the foundation bolt, the rotating shafts of the hinging points of the protruding thorns and the foundation bolt are perpendicular to the length direction of the foundation bolt, the sum of the protruding thorns and the radius of the foundation bolt is larger than the radius of a drilled hole, each protruding thorns comprises more than 1 group, the hinging points of each group of protruding thorns and the foundation bolt are on the same horizontal plane, each group of protruding thorns comprises more than 3, and each group of protruding thorns are evenly distributed around the central axis of the foundation bolt.
Further, the method further comprises the following steps:
the stop block is arranged on the side surface of the foundation bolt at the lower part of the hinging point of the protruding thorns and the foundation bolts, the stop block is identical to the protruding thorns in number, the stop block corresponds to the protruding thorns one by one, the position of the stop block enables the included angle between the protruding thorns and the foundation bolts at the upper parts of the protruding thorns to be always smaller than 90 degrees, and when the included angle between the protruding thorns and the foundation bolts at the upper parts of the protruding thorns is maximum, the distance between the protruding thorns away from the end part of the hinging point of the foundation bolts and the central axis of the foundation bolts is larger than the drilling radius.
The beneficial effects of the invention are as follows: compared with the prior art, the invention uses the drilling machine to drill holes instead of the digging holes with the diameter of more than 1 meter, thereby reducing the earthwork volume; drilling is easier under the litho-geological conditions than hole digging; and the anchor rod is removed, the anchor bolt is directly inserted into the drilling hole, and then the drilling hole and the anchor bolt are connected through structural adhesive, so that the link of placing the anchor rod is eliminated, and the working time is saved. Therefore, the invention is more convenient and quicker for emergency rescue of the foundation bolt under the condition of the rock-based geology.
Drawings
FIG. 1 is a schematic view of an anti-pull anchor bolt in a borehole according to an embodiment of the present invention;
FIG. 2 is a partial view at B in FIG. 1;
FIG. 3 is a perspective view of an embodiment of the present invention;
fig. 4 is a partial view at C in fig. 3.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Implementation example 1:
referring to fig. 1-4, an integrated foot bolt construction method, the method comprising:
drilling a borehole 1 in a bedrock using a drilling machine;
inserting the anchor bolts 2 into the drill holes 1;
and filling the structural adhesive 3 into the drilling hole 1.
Drilling holes 1 by using a drilling machine to replace the hole digging with the diameter of more than 1 meter, thereby reducing the earthwork; the borehole 1 is easier in the geological conditions of the rock base than the borehole; the anchor rod is removed, the anchor bolt 2 is directly inserted into the drilling hole 1, and then the drilling hole 1 and the anchor bolt 2 are connected through the structural adhesive 3, so that the link of placing the anchor rod is eliminated, and the working time is saved. Therefore, the invention is more convenient and quicker for emergency rescue of the foundation bolt 2 under the condition of the rock-based geology.
Further, the side surface of the foundation bolt 2 inserted into the drill hole 1 is provided with the protruding thorns 2-1, the protruding thorns 2-1 comprise more than 1, and the protruding thorns 2-1 are distributed on the side surface of the foot bolt inserted into the drill hole 1.
The protruding thorns 2-1 can increase the connecting force between the foundation bolts 2 and the structural adhesive, and avoid the separation of the foundation bolts and the structural adhesive.
Further, the direction of the spurs 2-1 is upward.
The direction of the protruding thorns 2-1 is upward, so that the protruding thorns 2-1 can be deformed downward when the foundation bolt 2 is pulled upward, the connection force between the protruding thorns 2-1 and the structural adhesive 3 is gradually increased in the upward pulling process, and the pulling-resistant effect is improved.
Further, the protruding thorns 2-1 are hinged to the side surfaces of the foundation bolts 2, the rotating shafts of the hinging points of the protruding thorns 2-1 and the foundation bolts 2 are perpendicular to the length direction of the foundation bolts 2, the sum of the lengths of the protruding thorns 2-1 and the radius of the foundation bolts 2 is larger than the radius of the drilling holes 1, the protruding thorns 2-1 comprise more than 1 group, the hinging points of each group of protruding thorns 2-1 and the foundation bolts 2 are in the same horizontal plane, each group of protruding thorns 2-1 comprise more than 3, and each group of protruding thorns 2-1 are evenly distributed around the central axis of the foundation bolts 2.
Before the structural adhesive 3 is not filled, the foundation bolt 2 can be placed into the drilling hole 1, the protruding thorn 2-1 points upwards, the upper end of the protruding thorn 2-1 is in contact with the wall of the drilling hole 1, then when the structural adhesive 3 is filled, when the protruding thorn 2-1 is pulled upwards, the protruding thorn 2-1 is pushed downwards by the structural adhesive 3, so that the included angle between the protruding thorn 2-1 and the foundation bolt 2 is more open, the combination between the opening and the drilling hole is tighter, and the pulling-resistant effect is better.
Further, the method further comprises the following steps: the stop block 2-2 is arranged on the side surface of the anchor bolt 2 at the lower part of the hinging point of the protruding thorn 2-1 and the anchor bolt 2, the stop block 2-2 is the same as the protruding thorn 2-1 in number, the stop block 2-2 corresponds to the protruding thorn 2-1 one by one, the position of the stop block 2-2 enables the included angle between the protruding thorn 2-1 and the anchor bolt 2 at the upper part of the protruding thorn 2-1 to be always smaller than 90 degrees, and when the included angle between the protruding thorn 2-1 and the anchor bolt 2 at the upper part of the protruding thorn 2-1 is the largest, the distance between the end part of the hinging point of the protruding thorn 2-1, which is far away from the anchor bolt 2, and the central axis of the anchor bolt 2 is larger than the radius of the drilled hole 1.
The stop block 2-2 can lead the spurs to be directed upwards directly without other auxiliary means, so that the spurs can be directed upwards, and the insertion into the drill hole is more convenient.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (1)
1. An integrated foot bolt construction method, which is characterized by comprising the following steps:
drilling a borehole (1) in a bedrock using a drilling machine;
inserting the anchor bolts (2) into the drill holes (1);
filling structural adhesive (3) into the drilling hole (1);
the side surface of the foundation bolt (2) inserted into the drilling hole (1) is provided with protruding thorns (2-1), and the protruding thorns (2-1) are distributed on the side surface of the foot bolt inserted into the drilling hole (1);
the direction of the spurs (2-1) is upward;
the protruding thorns (2-1) are hinged to the side surface of the foundation bolt (2), the rotating shafts of the hinging points of the protruding thorns (2-1) and the foundation bolt (2) are perpendicular to the length direction of the foundation bolt (2), the sum of the lengths of the protruding thorns (2-1) and the radius of the foundation bolt (2) is larger than the radius of the drilling hole (1), the protruding thorns (2-1) comprise more than 1 group, the hinging points of each group of protruding thorns (2-1) and the foundation bolt (2) are in the same horizontal plane, each group of protruding thorns (2-1) comprise more than 3, and each group of protruding thorns (2-1) are uniformly distributed around the central axis of the foundation bolt (2);
further comprises:
the stopper (2-2), stopper (2-2) set up in the rag (2-1) and rag bolt (2) hinge point lower part rag bolt (2) side surface, stopper (2-2) are the same with rag (2-1) quantity, stopper (2-2) and rag (2-1) one-to-one, the position of stopper (2-2) makes rag (2-1) and rag bolt (2) contained angle on rag (2-1) upper portion be less than 90 degrees all the time, and when rag bolt (2) contained angle on rag (2-1) and rag bolt (2-1) upper portion is biggest, the tip of the hinge point of rag bolt (2) and rag bolt (2) axis are kept away from to rag (2-1) apart from and are greater than drilling (1) radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909616.5A CN115045326B (en) | 2022-07-29 | 2022-07-29 | Construction method of integrated foot bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909616.5A CN115045326B (en) | 2022-07-29 | 2022-07-29 | Construction method of integrated foot bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115045326A CN115045326A (en) | 2022-09-13 |
| CN115045326B true CN115045326B (en) | 2024-03-26 |
Family
ID=83168267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210909616.5A Active CN115045326B (en) | 2022-07-29 | 2022-07-29 | Construction method of integrated foot bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115045326B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200375U (en) * | 1985-04-01 | 1986-10-29 | 贲长春 | Self-ancher fixing device for rock base |
| JP3659643B1 (en) * | 2004-02-12 | 2005-06-15 | 晃 草部 | Seismic ground anchor bolt |
| CN101349063A (en) * | 2008-08-21 | 2009-01-21 | 孟庆波 | Iron tower foundation of overhead power transmission line severely-weathered rock formation winding anchor rod |
| CN102031790A (en) * | 2009-09-25 | 2011-04-27 | 山东电力集团公司日照供电公司 | Construction process for rock enlarged toe anchor pile foundation of overhead power transmission line |
| KR101091585B1 (en) * | 2011-03-04 | 2011-12-13 | 한국해양연구원 | Holding power increasement apparatus of pile and construction method of pile having thereof |
-
2022
- 2022-07-29 CN CN202210909616.5A patent/CN115045326B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200375U (en) * | 1985-04-01 | 1986-10-29 | 贲长春 | Self-ancher fixing device for rock base |
| JP3659643B1 (en) * | 2004-02-12 | 2005-06-15 | 晃 草部 | Seismic ground anchor bolt |
| CN101349063A (en) * | 2008-08-21 | 2009-01-21 | 孟庆波 | Iron tower foundation of overhead power transmission line severely-weathered rock formation winding anchor rod |
| CN102031790A (en) * | 2009-09-25 | 2011-04-27 | 山东电力集团公司日照供电公司 | Construction process for rock enlarged toe anchor pile foundation of overhead power transmission line |
| KR101091585B1 (en) * | 2011-03-04 | 2011-12-13 | 한국해양연구원 | Holding power increasement apparatus of pile and construction method of pile having thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115045326A (en) | 2022-09-13 |
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