CN210395341U - Soil nail device free of grouting - Google Patents
Soil nail device free of grouting Download PDFInfo
- Publication number
- CN210395341U CN210395341U CN201920893903.5U CN201920893903U CN210395341U CN 210395341 U CN210395341 U CN 210395341U CN 201920893903 U CN201920893903 U CN 201920893903U CN 210395341 U CN210395341 U CN 210395341U
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- soil nail
- barb
- main body
- soil
- nail main
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Abstract
The utility model discloses a grouting-free soil nail device, which comprises a soil nail main body and barb members, wherein the soil nail main body is a hollow cylindrical structure with an opening at one end, and a plurality of barb holes are reserved on the soil nail main body at intervals; the barb member comprises a movable keel, a barb and a nut, one end of the movable keel is coaxially inserted into the soil nail main body, and the other end of the movable keel is provided with threads and is screwed and fixed with the soil nail main body through the nut; a plurality of barbs are arranged on the movable keel at intervals, and a plurality of barbs respectively penetrate through the outer part of the soil nail main body through a plurality of barb holes. The utility model discloses can avoid secondary slip casting process, utilize mechanical principle to reach traditional soil nail supporting effect to interim side slope support engineering, can carry out simple demolising and reuse, the cost is reduced promptly, is favorable to the environmental protection again.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a soil nail device of exempting from slip casting.
Background
At present, the application of soil nail supporting technology in the building industry is mature and common, but the construction mode of the conventional soil nail supporting generally comprises anchoring and spraying, and spraying and anchoring. The construction process of anchoring and spraying firstly comprises the following steps: and excavating soil to the position of the soil nail, driving the soil nail, excavating soil of the second step, driving the soil nail of the second layer, and circulating the process until the last layer of soil nail is constructed. Spraying the first plain stone concrete, then carrying out anchoring, and then carrying out second concrete spraying. The construction process of spraying first and anchoring later comprises the following steps: digging soil to a certain distance below the position of the soil nail, laying a reinforcing mesh, reserving the lap joint length, spraying concrete to a certain strength, and driving the concrete nail. Digging a second layer of earthwork to a position below the second layer of soil nails for a certain distance, paving a reinforcing mesh, well lapping with the reinforcing mesh at the last time, reserving the lapping length of the reinforcing mesh, spraying concrete, and punching the second layer of soil nails; the process is circulated until the whole depth of the foundation pit. The soil nail of the prior art is disposable, and the construction cost is higher.
Disclosure of Invention
An object of the utility model is to provide a soil nail device of slip casting exempts from can avoid secondary slip casting process, utilizes mechanical principle to reach traditional soil nail supporting effect to interim side slope support engineering can carry out simple demolising and reuse, the cost is reduced promptly, is favorable to the environmental protection again.
The utility model discloses a realize like this:
a grouting-free soil nail device comprises a soil nail body and barb members, wherein the soil nail body is of a hollow cylindrical structure with one end open, and a plurality of barb holes are reserved on the soil nail body at intervals; the barb member comprises a movable keel, a barb and a nut, one end of the movable keel is coaxially inserted into the soil nail main body, and the other end of the movable keel is provided with threads and is screwed and fixed with the soil nail main body through the nut; a plurality of barbs are arranged on the movable keel at intervals, and a plurality of barbs penetrate through the outer part of the soil nail main body and are inserted into the soil body through a plurality of barb holes.
The barb pass through sleeve and activity fossil fragments swing joint, barb and sleeve welding are L shape structure.
The barb and the movable keel form an acute included angle.
The aperture of the barb hole is larger than the diameter of the barb.
The end part of the soil nail main body is of a conical structure, and the angle of the conical tip is 60 degrees.
The utility model has low processing and manufacturing cost and convenient installation, and avoids the traditional secondary high-pressure grouting process of the soil nail; and for temporary slope support engineering, the soil nails can be completely pulled out after the fertilizer tank is backfilled or the slope is abandoned, and the soil nails are used for other soil nail support engineering again, so that the construction cost is reduced.
Drawings
FIG. 1 is a cross-sectional view of the grouting-free soil nailing device of the present invention;
FIG. 2 is a front view of the soil nail main body of the grouting-free soil nail device of the present invention;
FIG. 3 is a front view of the barb member of the slip-free nail device of the present invention;
FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 3;
fig. 5 is a partially enlarged view of fig. 4.
In the figure, 1 soil nail main body, 11 barbed holes, 21 movable keels, 22 barbs, 23 threads, 24 nuts, 25 sleeves and 26 welding seams.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to the attached drawing 1, the grouting-free soil nail device comprises a soil nail main body 1 and barb members, referring to the attached drawing 2, wherein the soil nail main body 1 is a hollow cylindrical structure with an opening at one end, and a plurality of barb holes 11 are reserved on the soil nail main body 1 at intervals; referring to fig. 3, the barb member comprises a movable keel 21, a barb 22 and a nut 24, one end of the movable keel 21 is coaxially inserted into the soil nail body 1, and the other end of the movable keel 21 is provided with a thread 23 and is screwed and fixed with the soil nail body 1 through the nut 24; the plurality of barbs 22 are arranged on the movable keel 21 at intervals, and the plurality of barbs 22 penetrate through the outside of the soil nail main body 1 through the plurality of barb holes 11 respectively and are inserted into and locked in a soil body.
Referring to fig. 4 and 5, the barb 22 is movably connected with the movable keel 21 through a sleeve 25, the barb 22 and the sleeve 25 are welded to form an L-shaped structure, and the barb 22 is conveniently detached through the sleeve 25. Preferably, the height of the welding seam 26 at the welding position of the sleeve 25 and the movable keel 21 is more than or equal to 6 mm.
The diameter of barb hole 11 be greater than the diameter of barb 22, ensure that barb 22 can run through barb hole 11.
The end of the soil nail main body 1 is of a conical structure, the angle of the conical tip is 60 degrees, and the soil nail main body can be conveniently inserted into soil.
When the soil nail device is manufactured, the soil nail main body 1 is manufactured by adopting a hot-rolled seamless steel pipe with the diameter of 80mm, and the barbed holes 11 are punched on the soil nail main body 1 at intervals according to the design requirement for later use. Adopt the diameter to make barb 22 for 10 mm's tertiary steel and through diameter for 14 mm's sleeve 25 swing joint on activity fossil fragments 21, adopt the diameter to make activity fossil fragments 21 for 25 mm's round steel, the one end of activity fossil fragments 21 is equipped with screw thread 23, the length of screw thread 23 is 800mm, activity fossil fragments 21 pass through screw thread 23 and soil nail main part 1's end connection and through the nut 24 fore shaft. During the construction, at first drill, insert after the drilling is accomplished the utility model discloses the tip nut 24 is screwed up to the soil nail device, and barb 22 runs through soil nail main part 1 outside and insert and lock in the soil body through barb hole 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a soil nail device of slip casting exempts from, characterized by: the soil nail comprises a soil nail main body (1) and barb members, wherein the soil nail main body (1) is a hollow cylindrical structure with one open end, and a plurality of barb holes (11) are reserved on the soil nail main body (1) at intervals; the barb member comprises a movable keel (21), a barb (22) and a screw cap (24), one end of the movable keel (21) is coaxially inserted into the soil nail main body (1), and the other end of the movable keel (21) is provided with a thread (23) and is screwed and fixed with the soil nail main body (1) through the screw cap (24); the plurality of barbs (22) are arranged on the movable keel (21) at intervals, and the plurality of barbs (22) penetrate through the outer part of the soil nail main body (1) through the plurality of barb holes (11) and are inserted into the soil body.
2. The slip casting-free soil nailing device according to claim 1, wherein: barb (22) pass through sleeve (25) and activity fossil fragments (21) swing joint, barb (22) and sleeve (25) welding are L shape structure.
3. The grouting-free soil nailing device of claim 1 or 2, wherein: the barb (22) and the movable keel (21) form an acute included angle.
4. The slip casting-free soil nailing device according to claim 1, wherein: the diameter of the barb hole (11) is larger than that of the barb (22).
5. The slip casting-free soil nailing device according to claim 1, wherein: the end part of the soil nail main body (1) is of a conical structure, and the angle of the conical tip is 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893903.5U CN210395341U (en) | 2019-06-14 | 2019-06-14 | Soil nail device free of grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893903.5U CN210395341U (en) | 2019-06-14 | 2019-06-14 | Soil nail device free of grouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210395341U true CN210395341U (en) | 2020-04-24 |
Family
ID=70349140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893903.5U Active CN210395341U (en) | 2019-06-14 | 2019-06-14 | Soil nail device free of grouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210395341U (en) |
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2019
- 2019-06-14 CN CN201920893903.5U patent/CN210395341U/en active Active
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