CN214885779U - Steel plate-concrete combined reinforcing structure - Google Patents
Steel plate-concrete combined reinforcing structure Download PDFInfo
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- CN214885779U CN214885779U CN202120545903.3U CN202120545903U CN214885779U CN 214885779 U CN214885779 U CN 214885779U CN 202120545903 U CN202120545903 U CN 202120545903U CN 214885779 U CN214885779 U CN 214885779U
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Abstract
The utility model relates to a steel plate-concrete combined reinforcing structure, which is used for reinforcing the existing concrete and comprises a reinforcing steel plate, a bending rib plate, a through reinforcing steel bar, a planting bar and a grouting material; the bending rib plates are welded on one side of the reinforced steel plate, and rib holes are arranged on the bending rib plates; the penetrating steel bar penetrates through a rib hole of the bending rib plate, and the head of the penetrating steel bar is welded on the reinforcing steel plate; the embedded steel bars are embedded into the existing concrete, and T-shaped screw caps are screwed on the embedded steel bars; the T-shaped nut hooks the penetrating steel bar; the grouting material is poured between the reinforcing steel plate and the existing concrete, so that the reinforcing steel plate, the grouting material and the existing concrete are combined. The utility model discloses a steel sheet-concrete combination reinforced structure can improve the intensity of faying face and improve steel sheet stability to the bearing capacity of at utmost performance steel sheet.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a concrete reinforced structure, concretely relates to steel sheet-concrete combination reinforced structure belongs to concrete structure and consolidates technical field.
[ background of the invention ]
At present, common concrete structures (such as bridges, structural beams and the like) are reinforced mainly by a carbon fiber adhering method, a steel plate adhering method, a cross section enlarging method, a prestress reinforcing method, a steel plate-concrete combined structure method and the like. Compared with other reinforcing methods, the steel plate-concrete combined structure method has the advantages of large bearing capacity improvement proportion, good structural rigidity and ductility and the like, and is suitable for bridge structure reinforcing engineering with higher reinforcing requirements. However, the reinforcing method has higher requirements on the strength of the bonding surface and the anti-buckling capacity of the steel plate than other reinforcing methods, and has great technical treatment difficulty.
Therefore, in order to solve the above technical problems, it is necessary to provide an innovative steel plate-concrete combined reinforcement structure to overcome the above-mentioned drawbacks of the prior art.
[ Utility model ] content
In order to solve the above problems, an object of the present invention is to provide a steel plate-concrete combined reinforcement structure, which can improve the strength of the joint surface and improve the stability of the steel plate, so as to maximize the bearing capacity of the steel plate.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a steel plate-concrete combined reinforcing structure is used for reinforcing existing concrete and comprises a reinforcing steel plate, a bent rib plate, a through reinforcing steel bar, a planting bar and grouting material; the bending rib plates are welded on one side of the reinforced steel plate, and rib holes are arranged on the bending rib plates; the penetrating steel bar penetrates through a rib hole of the bending rib plate, and the head of the penetrating steel bar is welded on the reinforcing steel plate; the embedded steel bars are embedded into the existing concrete, and T-shaped screw caps are screwed on the embedded steel bars; the T-shaped nut hooks the penetrating steel bar; the grouting material is poured between the reinforcing steel plate and the existing concrete, so that the reinforcing steel plate, the grouting material and the existing concrete are combined.
The utility model discloses a steel sheet-concrete combination reinforced structure further sets up to: the bending rib plates are bent at 120 degrees, and rib holes are arranged on the bending rib plates at intervals of 0.2 m; the through reinforcing steel bars are arranged at intervals of 0.4m, so that a rib hole is formed between every two adjacent through reinforcing steel bars; the grouting material flows through the ribbed holes.
The utility model discloses a steel sheet-concrete combination reinforced structure further sets up to: the penetrating steel bars on the bottom surface and the side surface of the existing concrete are arranged in a staggered mode.
The utility model discloses a steel sheet-concrete combination reinforced structure still sets up to: the depth of the embedded steel bars implanted into the existing concrete is not less than 50 cm.
Compared with the prior art, the utility model discloses following beneficial effect has: the steel plate-concrete combined reinforcing structure of the utility model improves the buckling strength of the reinforcing steel plate and the bonding strength with the grouting material through the perforated bent rib plate and the through reinforcing steel bars, and replaces the traditional shear nails; the embedded steel bar with the T-shaped screw cap increases the direct bonding strength of the grouting material and the concrete, and further improves the anti-stripping capability between the grouting material and the concrete in relation with the hooking and sleeving of the through steel bar. Finally, the purposes of fully exerting the strength of the reinforced steel plate and improving the ductility of the structure are achieved.
[ description of the drawings ]
Fig. 1 is a perspective view of the steel plate-concrete combined reinforcement structure of the present invention.
Fig. 2 is an exploded view of the steel plate-concrete combined reinforcement structure of the present invention.
Fig. 3 is an installation view of the reinforcing steel plate, the bending rib, and the through reinforcing steel bar in fig. 2.
Fig. 4 is a schematic view of the through-reinforcement, the planting bar, and the T-nut of fig. 2.
[ detailed description ] embodiments
Referring to the attached drawings 1 to 4 of the specification, the present invention relates to a steel plate-concrete combined reinforcement structure, which is used for reinforcing existing concrete 3 and comprises a reinforcement steel plate 1, a bending rib plate 4, a through reinforcement 5, a steel bar 6, a grouting material 2, and the like.
The bending rib plate 4 is welded on one side of the reinforced steel plate 1 to improve the buckling resistance of the reinforced steel plate 1 and avoid the problems of overlarge rigidity of the straight rib and high requirement on a joint surface. The bending rib 4 is provided with a rib hole 41.
The penetrating steel bar 5 penetrates through the rib hole 41 of the bending rib plate 4, and the head of the penetrating steel bar is welded on the reinforcing steel plate 1 so as to enhance the stripping resistance of the reinforcing steel plate 1 and the grouting material 2. The penetrating reinforcing steel bars 5 positioned on the bottom surface and the side surface of the existing concrete 3 are arranged in a staggered mode.
In the present embodiment, the bending rib 4 is bent at 120 °, and the bending degree can be adjusted according to the design requirement. The rib holes 41 are arranged on the bending rib plate 4 at an interval of 0.2 m. The through reinforcing steel bars 5 are arranged at intervals of 0.4m, so that a rib hole 41 is formed between the adjacent through reinforcing steel bars 5. The grouting material 2 flows through the rib holes 41 to reinforce the combination of the bent rib plates 4 and the grouting material 2 and improve the stability of the reinforcing steel plate 1. The bent rib plates 4 improve the longitudinal rigidity contribution of the reinforcing steel plate 1, and the normal contact force of the bent rib plates 4 provides the shear strength between the reinforcing steel plate 1 and the grouting material 2.
The embedded bars 6 are embedded into the existing concrete 3, and T-shaped screw caps 61 are screwed on the embedded bars. Specifically, the embedded bar 6 is provided with threads, and the threads improve the pulling strength of the embedded bar 6 in the existing concrete 3. The T-shaped screw cap 61 improves the connection strength between the embedded bar 6 and the grouting material 2. The T-shaped screw cap 61 hooks the through reinforcing steel bar 5 to further strengthen the connection strength between the existing concrete 3 and the grouting material 2 and the reinforced steel plate 1. In the embodiment, the depth of the embedded steel bars 6 embedded into the existing concrete 3 is not less than 50cm, and the surface of the existing concrete 3 is roughened, so that the tangential shear strength and the normal peel strength between the existing concrete 3 and the grouting material 2 are improved, and the purpose that the grouting material 2 and the reinforcing steel plate 1 bear load together is achieved.
The grouting material 2 is poured between the reinforcing steel plate 1 and the existing concrete 3, so that the reinforcing steel plate 1, the grouting material 2 and the existing concrete 3 are combined, and the load transfer capacity between new and old structures is improved.
The utility model discloses a construction method of steel sheet-concrete combination reinforced structure includes following step:
step 1: roughening the surface of the existing concrete 3;
step 2: the embedded bar 6 with the T-shaped screw cap 61 is embedded in the drilled hole and fixed by a structural adhesive injection hole;
and step 3: the reinforcing steel plate 1 is welded with a bending ribbed plate 4 with holes, and a penetrating steel bar 5 penetrates into a ribbed hole 41 and is welded and fixed;
and 4, step 4: the ribbed reinforced steel plate 1 is assembled on the surface of the existing concrete 3, and a T-shaped screw cap 61 of a planted bar 6 is crossed with a through bar 5 to form a hook-sleeve relationship;
and 5: one end is closed, and the other end is filled with grouting material 2 (such as epoxy mortar or other grouting materials with high strength and large adhesion);
step 6: and (5) maintaining and carrying out anticorrosive treatment on the reinforced steel plate 1.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (4)
1. The utility model provides a steel sheet-concrete combination reinforced structure, its be used for consolidating existing concrete which characterized in that: the reinforcing steel plate is characterized by comprising a reinforcing steel plate, a bending rib plate, a penetrating steel bar, a planting bar and grouting material; the bending rib plates are welded on one side of the reinforced steel plate, and rib holes are arranged on the bending rib plates; the penetrating steel bar penetrates through a rib hole of the bending rib plate, and the head of the penetrating steel bar is welded on the reinforcing steel plate; the embedded steel bars are embedded into the existing concrete, and T-shaped screw caps are screwed on the embedded steel bars; the T-shaped nut hooks the penetrating steel bar; the grouting material is poured between the reinforcing steel plate and the existing concrete, so that the reinforcing steel plate, the grouting material and the existing concrete are combined.
2. The steel plate-concrete combined reinforcement structure of claim 1, wherein: the bending rib plates are bent at 120 degrees, and rib holes are arranged on the bending rib plates at intervals of 0.2 m; the through reinforcing steel bars are arranged at intervals of 0.4m, so that a rib hole is formed between every two adjacent through reinforcing steel bars; the grouting material flows through the ribbed holes.
3. The steel plate-concrete combined reinforcement structure of claim 1, wherein: the penetrating steel bars on the bottom surface and the side surface of the existing concrete are arranged in a staggered mode.
4. The steel plate-concrete combined reinforcement structure of claim 1, wherein: the depth of the embedded steel bars implanted into the existing concrete is not less than 50 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545903.3U CN214885779U (en) | 2021-03-17 | 2021-03-17 | Steel plate-concrete combined reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545903.3U CN214885779U (en) | 2021-03-17 | 2021-03-17 | Steel plate-concrete combined reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214885779U true CN214885779U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120545903.3U Active CN214885779U (en) | 2021-03-17 | 2021-03-17 | Steel plate-concrete combined reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214885779U (en) |
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2021
- 2021-03-17 CN CN202120545903.3U patent/CN214885779U/en active Active
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