CN208395811U - A kind of anti-float roof bolt stump in rock stratum - Google Patents
A kind of anti-float roof bolt stump in rock stratum Download PDFInfo
- Publication number
- CN208395811U CN208395811U CN201820791105.7U CN201820791105U CN208395811U CN 208395811 U CN208395811 U CN 208395811U CN 201820791105 U CN201820791105 U CN 201820791105U CN 208395811 U CN208395811 U CN 208395811U
- Authority
- CN
- China
- Prior art keywords
- pile body
- rock stratum
- friction point
- roof bolt
- centimetres
- 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.)
- Active
Links
- 239000011435 rock Substances 0.000 title claims abstract description 40
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 8
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of anti-float roof bolt stumps in rock stratum, are fixed in the anchor hole being arranged in rock stratum comprising anchor pole and pile body；The lower end of the anchor pole is out of the insertion of the top of pile body pile body；The outer wall of the pile body is equipped with opposite two rows of friction point groups, and every row's friction point group includes the friction point of multiple oblique lower convexity and equidistantly distributed, and the friction point of the respective lowest point of two rows of friction point groups is not contour.A kind of pile body for the anti-float roof bolt stump in rock stratum described in the utility model is the two rows of friction point groups of outer wall setting of concrete-pile and pile body, this frictional force for improving pile body and being set between the anchor hole in rock stratum, to improve a kind of breakout capacity for the anti-float roof bolt stump in rock stratum.
Description
Technical field
The utility model relates to building fields, particularly relate to a kind of anti-float roof bolt stump in rock stratum.
Background technique
In the prior art, for the anti-float roof bolt stump in rock stratum due to the general smoother of the inner wall of anchor hole, plus anti-
The pile body of floating anchor pile generally carries out pouring molding using using cement slurry, and shrinkage is larger when cement slurry sets will cause stake
Combine not close between body and anchor hole, these are caused between pile body and anchor hole, and friction is small, so that anti-float anchor rod shape is anti-
It is poor to pull out ability；Generally for the anti-float roof bolt stump of 5m long, when pulling force reaches 30 tons or more, structural body deformation will lead to, no
It is able to satisfy use demand.
Utility model content
The purpose of this utility model is to provide a kind of anti-float roof bolt stump in rock stratum, breakout capacity is strong.
In order to achieve the above objectives, the solution of the utility model is:
A kind of anti-float roof bolt stump in rock stratum, is fixed in the anchor hole being arranged in rock stratum comprising anchor pole and
Pile body；The pile body is concrete-pile, and the lower end of the anchor pole is out of the insertion of the top of pile body pile body；The outer wall of the pile body is set
There are opposite two rows of friction point groups, every row's friction point group includes the friction point of multiple oblique lower convexity and equidistantly distributed, two rows of
The friction point of the respective lowest point of friction point group is not contour.
Spacing between each friction point of friction point group described in every row is 80 centimetres, and two rows of friction point groups are respectively most
The difference in height of the friction point of lower is 40 centimetres.
The maximum protrusion distance of the friction point is 2 centimetres to 3 centimetres, and the height of the friction point is 5 centimetres to 10 lis
Rice, the diameter of the pile body are 90 millimeters, and the height of the pile body is at least 5 meters.
The pile body is pea gravel concreten stake, and the concrete strength of the pile body is at least up to C30.
After adopting the above scheme, it compares in the prior art for the anti-float roof bolt stump in rock stratum, on the one hand, this is practical new
A kind of anti-float roof bolt stump in rock stratum described in type is equipped with opposite two rows of friction point groups by the outer wall of its pile body, improves
Degree of roughness between the outer wall of pile body and the inner wall for the anchor hole being set in rock stratum；On the other hand, described in the utility model
A kind of pile body for the anti-float roof bolt stump in rock stratum be concrete-pile so that pile body form when shrinkage it is small to guarantee stake
The outer wall of body and the inner wall for the anchor hole being set in rock stratum are tightly combined；These two aspects improves one kind described in the utility model
Frictional force between the outer wall of pile body for the anti-float roof bolt stump in rock stratum and the inner wall of anchor hole, so that the utility model institute
A kind of breakout capacity for the anti-float roof bolt stump in rock stratum stated is stronger.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the anti-float anchor rod in rock stratum of the utility model in rock stratum.
Fig. 2 is the cross-sectional view of the anchor hole of the utility model.
Specific embodiment
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
As depicted in figs. 1 and 2, the utility model discloses a kind of anti-float roof bolt stump in rock stratum, is fixed on and sets
It sets in the anchor hole R1 in the R of rock stratum；A kind of anti-float roof bolt stump in rock stratum includes anchor pole 1 and pile body 2；Wherein institute
Stating pile body 2 is concrete-pile, and the lower end of the anchor pole 1 is out of the insertion of the top of pile body 2 pile body 2；The outer wall of the pile body 2 is equipped with
Opposite two rows of friction point groups 21, every row's friction point group 21 include the friction point 211 of multiple oblique lower convexity and equidistantly distributed,
The friction point 211 of the respective lowest point of two rows of friction point groups 21 is not contour so that two rows of friction point groups 21 are staggered, to make
The frictional force that two rows of friction point groups 21 generate is obtained more to balance effectively.
Specifically, the pile body 2 is pea gravel concreten stake, the concrete strength of the pile body 2 is at least up to C30, every row
Spacing L between each friction point 211 of the friction point group 21 is preferably 80 centimetres, and two rows of friction point groups 21 are respective most
The difference in height h1 of the friction point 211 of lower is preferably 40 centimetres；The maximum protrusion distance L1 of the friction point 211 is preferably 2 lis
For rice to 3 centimetres, the height h2 of the friction point 211 is preferably 5 centimetres to 10 centimetres, and the diameter D of the pile body 2 is preferably 90 millis
Rice, the height H of the pile body 2 are at least 5 meters, and the anchor pole 1 is preferably screw-thread steel to reinforce the company between anchor pole 1 and pile body 2
Connect intensity.
It compares in the prior art for the anti-float roof bolt stump in rock stratum, on the one hand, a kind of use described in the utility model
Anti-float roof bolt stump in rock stratum is equipped with opposite two rows of friction point groups 21 by the outer wall of its pile body 2, improves the outer of pile body 2
Degree of roughness between wall and the inner wall for the anchor hole R1 being set in the R of rock stratum；On the other hand, a kind of use described in the utility model
The pile body 2 of anti-float roof bolt stump in rock stratum is concrete-pile, so that shrinkage when pile body 2 forms is small to guarantee pile body 2
The inner wall of outer wall and the anchor hole R11 being set in the R of rock stratum is tightly combined；These two aspects improves one kind described in the utility model
Frictional force between the outer wall of pile body 2 for the anti-float roof bolt stump in rock stratum and the inner wall of anchor hole R11, so that this is practical new
A kind of breakout capacity for the anti-float roof bolt stump in rock stratum described in type is stronger.When the pile body 2 height H be 5 meters, it is described
The diameter D of pile body 2 is 90 millimeters, and friction point group 21 described in every row has 5 friction points 211, and friction point group 21 described in every row
The spacing L of each friction point 211 be 80 centimetres, the height of the friction point 211 of two rows of respective lowest points of the friction point group 21
When poor h1 is 40 centimetres, a kind of pulling capacity for the anti-float roof bolt stump in rock stratum described in the utility model is up to 100 tons.
A kind of anti-float roof bolt stump in rock stratum described in the utility model can use a kind of construction method below
It constructs.
A kind of construction method in turn includes the following steps:
Drilling: drilling machine uses the first alloy bit to be drilled on the R of rock stratum to form pore-forming R11, and then drilling machine uses
Second alloy bit is drilled diagonally downward in pore-forming R1 opposite two sides and is formed opposite two rows of inclined holes with the inner wall in pore-forming R11
Group R12, to form anchor hole R1；Wherein every row's inclined hole group R12 includes multiple inclined holes to tendency lower recess and equidistantly distributed
For R121 for the molding of friction point group 21, the inclined hole of the respective lowest point of two rows of inclined hole groups is not contour so that molding friction point group 21
It is staggered；
Concreting: cement, sand and rubble are poured into after mixing evenly in anchor hole R1, and water then is added into anchor hole R1
So that water, cement, sand and rubble are mixed to form concrete slurry, then concrete slurry is vibrated using vibrating head uniform；
Anchor pole insertion: the lower end of anchor pole 1 is inserted into concrete slurry from top to bottom；
Curing molding: solidify to the concrete slurry in anchor hole R1 to mold pile body 2.
In a kind of construction method, the diameter of first alloy bit is preferably 90 millimeters so that pore-forming
The diameter of R11 is 90 millimeters, so that the diameter of pile body 2 is 90 millimeters；The depth of the pore-forming R1 be at least 5 meters so that
The height of pile body 2 is at least 5 meters；The diameter of second alloy bit then can be 40 millimeters, exist in second alloy bit
During pore-forming R11 opposite two sides drill diagonally downward, the tilt angle of second alloy bit is 15 ° to 30 °；The inclined hole
The raised depth of the maximum of R121 is preferably 2 centimetres to 3 centimetres so that the maximum by the molding friction point 211 of inclined hole R121 is convex
Playing distance L1 is 2 centimetres to 3 centimetres, and the highly preferred of the inclined hole R121 is 5 centimetres to 10 centimetres so that passing through inclined hole
The height h2 of the molding friction point 211 of R121 is 5 centimetres to 10 centimetres；Each inclined hole R121 of inclined hole group R12 described in every row it
Between spacing be preferably 80 centimetres so that by each friction point 211 of the molding every row's friction point group 21 of inclined hole group R12
Spacing L is 80 centimetres, the difference in height of the respective inclined hole R121 of lowest point of two rows of inclined hole group R12 be preferably 40 centimetres so that
Difference in height h1 by the friction point 211 of the respective lowest point of the molding two rows of friction point groups 21 of inclined hole group R12 is 40 centimetres；It is described
The diameter of rubble is preferably 0.5 centimetre to 1 centimetre；The concrete strength of the pile body 2 is at least up to C30；The anchor pole 1 is preferably
For screw-thread steel.
The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field
The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.
Claims (5)
1. a kind of anti-float roof bolt stump in rock stratum, is fixed in the anchor hole being arranged in rock stratum, it is characterised in that: including
Anchor pole and pile body；The pile body is concrete-pile, and the lower end of the anchor pole is out of the insertion of the top of pile body pile body；The pile body
Outer wall is equipped with opposite two rows of friction point groups, and every row's friction point group includes the friction of multiple oblique lower convexity and equidistantly distributed
The friction point of point, the respective lowest point of two rows of friction point groups is not contour.
2. a kind of anti-float roof bolt stump in rock stratum as described in claim 1, it is characterised in that: friction point group described in every row
Each friction point between spacing be 80 centimetres, the difference in height of the respective friction point of lowest point of two rows of friction point groups is 40
Centimetre.
3. a kind of anti-float roof bolt stump in rock stratum as claimed in claim 1 or 2, it is characterised in that: the friction point
Maximum protrusion distance is 2 centimetres to 3 centimetres, and the height of the friction point is 5 centimetres to 10 centimetres, and the diameter of the pile body is 90
Millimeter, the height of the pile body are at least 5 meters.
4. a kind of anti-float roof bolt stump in rock stratum as described in claim 1, it is characterised in that: the pile body is mixed for microlith
Solidifying soil stake, the concrete strength of the pile body are at least up to C30.
5. a kind of anti-float roof bolt stump in rock stratum as described in claim 1, it is characterised in that: the anchor pole is screw thread
Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820791105.7U CN208395811U (en) | 2018-05-25 | 2018-05-25 | A kind of anti-float roof bolt stump in rock stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820791105.7U CN208395811U (en) | 2018-05-25 | 2018-05-25 | A kind of anti-float roof bolt stump in rock stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208395811U true CN208395811U (en) | 2019-01-18 |
Family
ID=65136528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820791105.7U Active CN208395811U (en) | 2018-05-25 | 2018-05-25 | A kind of anti-float roof bolt stump in rock stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208395811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677938A (en) * | 2018-05-25 | 2018-10-19 | 黄水森 | A kind of anti-float roof bolt stump and its construction method in rock stratum |
-
2018
- 2018-05-25 CN CN201820791105.7U patent/CN208395811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677938A (en) * | 2018-05-25 | 2018-10-19 | 黄水森 | A kind of anti-float roof bolt stump and its construction method in rock stratum |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106013800B (en) | Constructional Col-umn Construction method based on 3D printing filled wall | |
| CN206448269U (en) | A kind of expansion bolt hollow anchor bar | |
| CN208395811U (en) | A kind of anti-float roof bolt stump in rock stratum | |
| CN102635110B (en) | Construction method for concrete pile | |
| CN207121896U (en) | Precast hollow uplift pile | |
| CN105064352A (en) | Building expanding head anchor rod pile construction technology and anchor rod pile adopting technology | |
| CN205999887U (en) | Boring steel reinforcement cage hoop slip casting broken stone pile | |
| CN108677938A (en) | A kind of anti-float roof bolt stump and its construction method in rock stratum | |
| CN207878441U (en) | A kind of ruggedized construction of soft soil foundation | |
| CN205876364U (en) | Cavity intelligence slip casting stock | |
| CN202672161U (en) | Cement-soil mixing drum sheet-pile united slope structure with soil nails | |
| CN205617365U (en) | Novel stake of reinforced concrete spiral | |
| CN201650321U (en) | Detachable anchorage device | |
| CN204326072U (en) | A kind of anti-float anchor rod node | |
| CN205501998U (en) | Expand end combination end -bearing pile basis | |
| CN211421161U (en) | Rock anchoring foundation with horizontal resistance for power transmission tower | |
| CN206753638U (en) | A kind of new automatic anchor pole | |
| CN102561337A (en) | Sand-filling stiffening pile | |
| CN103711144B (en) | Alkali-resistant greening variable-inclination-angle type mutually-embedded retaining wall block and construction method for mutually-embedded retaining wall | |
| CN204418171U (en) | Rearmounted body of rod formula anchor structure | |
| CN201567574U (en) | Prestressed anchorage anchor pier slope reinforcing and fixing structure | |
| CN208362915U (en) | Off-load corrosion area tunnel anchorage with antiskid key | |
| CN205046566U (en) | Flood prevention wall I shape precast concrete pile base | |
| CN205501993U (en) | Back slip casting bored concrete pile structure | |
| CN205035801U (en) | Precast pile pile driver equipment of taking one's place fast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200714 Address after: 361000 Fujian city of Xiamen province China (Fujian) Xiamen Xiangyu Road area Free Trade Zone No. 97 Xiamen international shipping center D 8 storey building 05 unit X Patentee after: Bingmu (Xiamen) Construction Technology Co., Ltd Address before: 361000, -2, 10, 802 Yue Yue lane, Fujian, Xiamen Patentee before: Huang Shuisen |
|
| TR01 | Transfer of patent right |