CN210342441U - Steel bar connecting structure - Google Patents
Steel bar connecting structure Download PDFInfo
- Publication number
- CN210342441U CN210342441U CN201920949155.8U CN201920949155U CN210342441U CN 210342441 U CN210342441 U CN 210342441U CN 201920949155 U CN201920949155 U CN 201920949155U CN 210342441 U CN210342441 U CN 210342441U
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- fiber cloth
- winding structure
- layer
- steel
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 31
- 239000004917 carbon fiber Substances 0.000 claims abstract description 31
- 239000004744 fabric Substances 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims abstract description 31
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 22
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- 239000011247 coating layer Substances 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a steel bar connection structure, wherein an epoxy resin structural adhesive coating layer is arranged on the surface of the joint part of two steel bars, a carbon fiber cloth multilayer winding structure is arranged on the epoxy resin structural adhesive coating layer, and a binder layer is arranged between two adjacent layers of carbon fiber cloth in the carbon fiber cloth multilayer winding structure; the carbon fiber cloth multi-layer winding structure is sleeved with a steel sleeve, and a binder layer is arranged between the steel sleeve and the carbon fiber cloth multi-layer winding structure. The utility model discloses construction convenience connects the steady quality.
Description
Technical Field
The utility model relates to a steel bar connection structure.
Background
In the construction of buildings and the like, it is often necessary to connect reinforcing bars. The existing steel bar connection mostly adopts welding or mechanical connection, the operation is complex, the requirement on personnel is high, and the personnel needs to be trained and put on duty; the quality of the existing steel bar connection depends on the level of operators, and the quality is unstable and cannot be ensured; the existing steel bar connection method needs to use professional equipment, so that the cost investment is large and certain potential safety hazards exist; the existing steel bar connection method needs professional operation, so that the number of workers is not too large, and the construction speed is low.
Disclosure of Invention
An object of the utility model is to provide a construction convenience connects stable quality's steel bar connection structure.
The technical solution of the utility model is that:
the utility model provides a steel bar connection structure which characterized by: the surface of the connecting part of the two reinforcing steel bars is provided with an epoxy resin structural adhesive coating layer, a carbon fiber cloth multilayer winding structure is arranged on the epoxy resin structural adhesive coating layer, and a binder layer is arranged between two adjacent layers of carbon fiber cloth in the carbon fiber cloth multilayer winding structure; the carbon fiber cloth multi-layer winding structure is sleeved with a steel sleeve, and a binder layer is arranged between the steel sleeve and the carbon fiber cloth multi-layer winding structure.
The inner diameter of the steel sleeve is 5mm larger than the diameter of the steel bar, and the length of the steel sleeve is more than or equal to 10 times of the diameter of the steel bar.
The diameter of the steel bar is more than or equal to 10 times of the multilayer winding structure of the carbon fiber cloth, and the number of layers of the carbon fiber cloth in the multilayer winding structure of the carbon fiber cloth is not less than 5.
The thickness of the epoxy resin structural adhesive coating layer is the same as the rib height on the surface of the steel bar.
The utility model has the advantages that:
1. the operation is simple and easy to learn, the requirement on operators is low, and the operators can post the job only by carrying out post-front and post-bottom crossing on the common workers;
2. professional equipment (an electric welding machine, a threading machine and the like) is not required to be input;
3. the construction speed is improved, and the construction cost is saved;
4. the connection quality of the steel bars is stable and guaranteed.
The utility model discloses the steel bar engineering construction among specially adapted housing construction and civil engineering.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2, fig. 3 and fig. 4 are schematic diagrams of different construction stages of the present invention.
Detailed Description
A steel bar connecting structure is characterized in that an epoxy resin structural adhesive coating layer 5 is arranged on the surface of a connecting part of two steel bars 1, a carbon fiber cloth multilayer winding structure 3 is arranged on the epoxy resin structural adhesive coating layer, and a binder layer 7 is arranged between two adjacent layers of carbon fiber cloth 6 in the carbon fiber cloth multilayer winding structure; the carbon fiber cloth multi-layer winding structure is sleeved with a steel sleeve 2, and a binder layer 4 is arranged between the steel sleeve and the carbon fiber cloth multi-layer winding structure.
The inner diameter of the steel sleeve is 5mm larger than the diameter of the steel bar, and the length of the steel sleeve is more than or equal to 10 times of the diameter of the steel bar.
The diameter of the steel bar is more than or equal to 10 times of the multilayer winding structure of the carbon fiber cloth, and the number of layers of the carbon fiber cloth in the multilayer winding structure of the carbon fiber cloth is not less than 5.
The construction process comprises the following steps:
1. cutting the steel bars 1 to be connected by using a grinding wheel cutting machine to ensure that the section is neat, sleeving the steel sleeve 2 into one of the steel bars to be connected, coaxially butting the steel bars to be connected, and simply fixing, wherein the steel sleeve is staggered with a joint for a certain distance, as shown in figure 2;
2. a-level bi-component epoxy resin structural adhesive is adopted as a binder, the adhesive is uniformly coated on the surface of a steel bar, the thickness of the adhesive is based on that ribs on the surface of the steel bar are covered, then, a first-level carbon fiber cloth is wound layer by layer, one layer of binder is coated on each wound layer, the pasting width B is not less than 10 times of the diameter of the steel bar, and the number of layers is not less than 5, as shown in figure 3;
3. after the carbon fiber cloth is wound, a layer of adhesive 4 is coated on the outermost layer, the thickness is about 3mm, the steel sleeve is screwed in, and the steel sleeve is ensured to be fully adhered with the outer layer adhesive 4, as shown in figure 4;
4. after the binder is cured, sampling and inspecting the joint according to the standard requirement, and performing subsequent process construction after the detection is qualified.
Claims (4)
1. The utility model provides a steel bar connection structure which characterized by: the surface of the connecting part of the two reinforcing steel bars is provided with an epoxy resin structural adhesive coating layer, a carbon fiber cloth multilayer winding structure is arranged on the epoxy resin structural adhesive coating layer, and a binder layer is arranged between two adjacent layers of carbon fiber cloth in the carbon fiber cloth multilayer winding structure; the carbon fiber cloth multi-layer winding structure is sleeved with a steel sleeve, and a binder layer is arranged between the steel sleeve and the carbon fiber cloth multi-layer winding structure.
2. A reinforcing bar connecting structure as set forth in claim 1, wherein: the inner diameter of the steel sleeve is 5mm larger than the diameter of the steel bar, and the length of the steel sleeve is more than or equal to 10 times of the diameter of the steel bar.
3. A reinforcing bar connecting structure as set forth in claim 1 or 2, wherein: the diameter of the steel bar is more than or equal to 10 times of the multilayer winding structure of the carbon fiber cloth, and the number of layers of the carbon fiber cloth in the multilayer winding structure of the carbon fiber cloth is not less than 5.
4. A reinforcing bar connecting structure as set forth in claim 1 or 2, wherein: the thickness of the epoxy resin structural adhesive coating layer is the same as the rib height on the surface of the steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949155.8U CN210342441U (en) | 2019-06-24 | 2019-06-24 | Steel bar connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920949155.8U CN210342441U (en) | 2019-06-24 | 2019-06-24 | Steel bar connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210342441U true CN210342441U (en) | 2020-04-17 |
Family
ID=70187522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920949155.8U Expired - Fee Related CN210342441U (en) | 2019-06-24 | 2019-06-24 | Steel bar connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210342441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673307A (en) * | 2022-03-29 | 2022-06-28 | 中国矿业大学 | Method for adhering and winding connecting steel bars by using high-strength fiber fabric and structural adhesive |
-
2019
- 2019-06-24 CN CN201920949155.8U patent/CN210342441U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673307A (en) * | 2022-03-29 | 2022-06-28 | 中国矿业大学 | Method for adhering and winding connecting steel bars by using high-strength fiber fabric and structural adhesive |
| CN114673307B (en) * | 2022-03-29 | 2023-08-22 | 中国矿业大学 | Method for pasting winding connection reinforcing steel bar by using high-strength fiber fabric and structure adhesive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |