CN212800178U - Radial support block type polypropylene crude fiber - Google Patents
Radial support block type polypropylene crude fiber Download PDFInfo
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- CN212800178U CN212800178U CN202021705663.0U CN202021705663U CN212800178U CN 212800178 U CN212800178 U CN 212800178U CN 202021705663 U CN202021705663 U CN 202021705663U CN 212800178 U CN212800178 U CN 212800178U
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Abstract
The application relates to a radial support block type polypropylene coarse fiber, which comprises a fiber body, wherein a cavity is formed in the fiber body, and a support block is arranged in the cavity. This application helps promoting the area of contact between fibre body surface and concrete to the effect of cohesiveness between reinforcing fibre body and concrete.
Description
Technical Field
The application relates to the technical field of concrete composite materials, in particular to a radial support block type polypropylene coarse fiber.
Background
At present, the concrete fiber is a high-performance fiber specially used for concrete, can effectively control microcracks caused by factors such as plastic shrinkage, drying shrinkage and temperature change of the concrete, prevent and inhibit the formation and development of the original cracks of the concrete, greatly improve the anti-cracking and anti-permeability performance and the anti-abrasion performance of the concrete, and increase the toughness of the concrete, thereby prolonging the service life of the concrete.
Concrete has the defects of high brittleness, low tensile strength, poor toughness and the like, and in the related technology, concrete fibers are usually added into the concrete to improve the tensile strength and the toughness of the concrete.
In view of the above-mentioned related art, the inventors considered that there was a defect that the contact area between the outer surface of the fiber and the concrete was not large enough, and the adhesion between the concrete fiber and the concrete was not strong enough.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that the contact area between the outer surface of the fiber and concrete is not large enough, so that the cohesiveness between the concrete fiber and the concrete is not strong enough, the application provides a radial support block type polypropylene coarse fiber.
The radial support block type polypropylene coarse fiber adopts the following technical scheme:
the radial support block type polypropylene coarse fiber comprises a fiber body, wherein a cavity is formed in the fiber body, and a support block is arranged in the cavity.
Through adopting above-mentioned technical scheme, in the application, set up the supporting shoe in the cavity of fibre body, then with fibre body and concrete intensive mixing, the concrete flows into this internal, helps promoting the area of contact between fibre body surface and concrete to the cohesiveness between reinforcing fibre body and concrete.
Preferably, the support blocks comprise a transverse support block and a vertical support block.
Through adopting above-mentioned technical scheme, through setting up the supporting shoe into horizontal supporting shoe and vertical supporting shoe, help promoting the stability of fibre body.
Preferably, the horizontal supporting block and the vertical supporting block are arranged in an enclosing mode to form a filling groove.
Through adopting above-mentioned technical scheme, by filling the groove and fully contacting with the concrete, help promoting the area of contact of concrete and fibre body.
Preferably, the horizontal supporting block and the vertical supporting block are integrally formed with the fiber body.
Through adopting above-mentioned technical scheme, through with horizontal supporting shoe and vertical supporting shoe and fibre body integrated into one piece, help promoting the intensity of fibre body.
Preferably, the fiber body has a length of 0.5 to 50mm and a diameter of 0.1 to 1.0 mm.
By adopting the technical scheme, the strength of the fiber body is improved by virtue of the fiber body with the length of 0.5-50mm and the diameter of the circumscribed circle of 0.1-1.0 mm.
Preferably, fins are fixed on the peripheral side of the fiber body, and a plurality of fins are arranged at intervals around the axis of the fiber body.
Through adopting above-mentioned technical scheme, by fin and concrete full contact, help promoting the fastness of concrete and the contact of fibre body.
Preferably, a plurality of depressions are formed in any one of the fins, and the depressions are arranged at intervals along the length direction of the fins.
Through adopting above-mentioned technical scheme, by sunken fully contact with the concrete, help promoting the area of contact of concrete and fibre body.
Preferably, a reinforcing plate is fixed between any two adjacent fins on the fiber body, and the length direction of the reinforcing plate is parallel to the length direction of the fiber body.
Through adopting above-mentioned technical scheme, by the guard action of reinforcing plate to the fibre body, help promoting the anti axial tension's of fibre body ability, promote the intensity of fibre body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hollow cavity in the fiber body and the supporting block in the hollow cavity are beneficial to improving the contact area between the surface of the fiber body and concrete, so that the cohesiveness between the fiber body and the concrete is enhanced;
2. through the setting of fin and reinforcing plate, help promoting the stretching resistance of fibre body, promote the life of fibre body.
Drawings
FIG. 1 is a schematic view showing the overall structure of polypropylene coarse fibers mainly embodying a radial support block type in one embodiment;
FIG. 2 is a schematic diagram of the overall structure of polypropylene coarse fibers mainly embodying a radial support block type in the second embodiment.
Reference numerals: 1. a fiber body; 11. a cavity; 111. a support block; 1111. a transverse support block; 1112. filling the groove; 1113. a vertical support block; 2. a fin; 21. recessing; 3. a reinforcing plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a radial support block type polypropylene coarse fiber.
Example 1
Referring to fig. 1, a radial support block type polypropylene coarse fiber comprises a fiber body 1, wherein the length of the fiber body 1 is 5.0mm, the diameter of the fiber body 1 is 1.0mm, a cavity 11 is formed in the fiber body 1, the cavity 11 is cylindrical, and the axis of the cavity 11 coincides with the axis of the fiber body 1. The cavity 11 is internally fixed with a horizontal supporting block 1111 and a vertical supporting block 1113, the number of the horizontal supporting blocks 1111 is three at the vertical direction, the vertical supporting block 1113 is respectively provided with one between any two adjacent horizontal supporting blocks 1111 and the fiber body 1, any horizontal supporting block 1111 and the vertical supporting block 1113 are fixedly connected with the fiber body 1, the three horizontal supporting blocks 1111 and four vertical supporting blocks 1113 are encircled to form a filling groove 1112, and the filling groove 1112 is eight.
The implementation principle of the embodiment 1 is as follows: during the application, the staff fully stirs fibre body 1 and the concrete that length is 5mm, and diameter is 1.0mm, then the concrete flows into the interior horizontal supporting shoe 1111 of fibre body 1 and the filling groove 1112 that vertical supporting shoe 1113 encloses and establish the formation, and the concrete fully contacts with the lateral wall of filling groove 1112.
Example 2
Referring to fig. 2, a radial support block type polypropylene coarse fiber comprises a fiber body 1, fins 2 are fixed on the periphery of the fiber body 1, six fins 2 are uniformly arranged around the axis of the fiber body 1 at intervals, depressions 21 are formed on the two sides of any fin 2 in the thickness direction, and nine depressions 21 are uniformly arranged along the length direction of the fin 2 at intervals. Reinforcing plates 3 are fixed between any two adjacent fins 2 of the fiber body 1, and the length direction of any reinforcing plate 3 is parallel to the length direction of the fiber body 1.
The implementation principle of the embodiment 2 is as follows: during the application, the staff fully stirs fibre body 1 and concrete together, and the concrete fully contacts with fin 2 and the sunken 21 on the fin 2, and reinforcing plate 3 gives fibre body 1 axial pulling force, prevents the fracture of concrete.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A radial support block type polypropylene coarse fiber is characterized in that: the fiber body (1) is included, a cavity (11) is formed in the fiber body (1), and a supporting block (111) is arranged in the cavity (11).
2. The radial support block type polypropylene coarse fiber according to claim 1, wherein: the supporting block (111) comprises a transverse supporting block (1111) and a vertical supporting block (1113).
3. The radial support block type polypropylene coarse fiber as set forth in claim 2, wherein: and the transverse supporting block (1111) and the vertical supporting block (1113) are encircled to form a filling groove (1112).
4. The radial support block type polypropylene coarse fiber as set forth in claim 2, wherein: the transverse supporting block (1111) and the vertical supporting block (1113) are integrally formed with the fiber body (1).
5. The radial support block type polypropylene coarse fiber according to claim 1, wherein: the length of the fiber body (1) is 0.5-50mm, and the diameter is 0.1-1.0 mm.
6. The radial support block type polypropylene coarse fiber according to claim 1, wherein: fins (2) are fixed on the peripheral sides of the fiber body (1), and the fins (2) are arranged around the axis of the fiber body (1) at intervals.
7. The radial support block type polypropylene coarse fiber as set forth in claim 6, wherein: any fin (2) is provided with a plurality of depressions (21), and the depressions (21) are arranged in the length direction of the fin (2) at intervals.
8. The radial support block type polypropylene coarse fiber as set forth in claim 6, wherein: reinforcing plates (3) are fixed between any two adjacent fins (2) on the fiber body (1), and the length direction of each reinforcing plate (3) is parallel to the length direction of the fiber body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021705663.0U CN212800178U (en) | 2020-08-14 | 2020-08-14 | Radial support block type polypropylene crude fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021705663.0U CN212800178U (en) | 2020-08-14 | 2020-08-14 | Radial support block type polypropylene crude fiber |
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| Publication Number | Publication Date |
|---|---|
| CN212800178U true CN212800178U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021705663.0U Active CN212800178U (en) | 2020-08-14 | 2020-08-14 | Radial support block type polypropylene crude fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860776A (en) * | 2021-10-15 | 2021-12-31 | 江苏东南结构防灾工程有限公司 | High-elastic die steel fiber and shock-resistant ultra-ductile UHPC material |
-
2020
- 2020-08-14 CN CN202021705663.0U patent/CN212800178U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860776A (en) * | 2021-10-15 | 2021-12-31 | 江苏东南结构防灾工程有限公司 | High-elastic die steel fiber and shock-resistant ultra-ductile UHPC material |
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