CN218541656U - Reinforcing apparatus of reinforced concrete continuous beam - Google Patents
Reinforcing apparatus of reinforced concrete continuous beam Download PDFInfo
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- CN218541656U CN218541656U CN202222761191.6U CN202222761191U CN218541656U CN 218541656 U CN218541656 U CN 218541656U CN 202222761191 U CN202222761191 U CN 202222761191U CN 218541656 U CN218541656 U CN 218541656U
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 77
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 70
- 239000004567 concrete Substances 0.000 claims abstract description 83
- 239000000835 fiber Substances 0.000 claims abstract description 55
- 239000004744 fabric Substances 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 6
- 238000007788 roughening Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 24
- 238000010276 construction Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 8
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000010881 fly ash Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 5
- 229910021487 silica fume Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 4
- 239000004917 carbon fiber Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Abstract
The utility model discloses a reinforcing device of a reinforced concrete continuous beam, wherein a first chisel hair groove is arranged on the surface of a bottom positive bending moment area of the reinforced concrete continuous beam; the first reinforcing unit comprises a first high-ductility concrete layer and a plurality of first fiber fabric layers; the first high-ductility concrete layer is arranged in the first chiseling groove, and the plurality of first fiber fabric layers are embedded in the first high-ductility concrete layer in a layered mode; a second chisel hair groove is arranged on the surface of the top negative bending area of the reinforced concrete continuous beam; the second reinforcing unit comprises a second high-ductility concrete layer and a plurality of second fiber fabric layers; the second high-ductility concrete layer is arranged in the second scabbling groove, and the plurality of second fiber fabric layers are embedded in the second high-ductility concrete layer in a layered manner; the utility model discloses ensured not influencing under the cross sectional dimension of reinforced concrete continuous beam and the prerequisite of dead weight, effectively improved the atress performance of component, improved the bearing capacity of continuous beam, had construction convenience, with low costs, and the advantage of follow-up maintenance method.
Description
Technical Field
The utility model belongs to the technical field of the building structure consolidates, in particular to reinforcing apparatus of reinforced concrete continuous beam.
Background
The reinforced concrete structure is the most widely applied structure at present, and due to design and construction defects, material aging, environmental erosion, fire, steel bar corrosion, change of using functions of buildings and the like, the performance of the structure is reduced, the bearing capacity is reduced, and the safety and the durability of the structure are seriously influenced; therefore, it is necessary to reinforce it.
The traditional reinforced concrete structure reinforcing method comprises a section enlarging method, a steel plate pasting method, a fiber composite material pasting reinforcing method and the like, and the method has the following defects, such as: the method of enlarging the cross section can greatly increase the self weight of the structure; the method for sticking the steel plate is easy to corrode and is not suitable for a humid environment; the structural adhesive used in the reinforcing method of the fiber composite material has poor stability; particularly, for the reinforced concrete continuous beam with positive and negative bending moments, the positive bending moment appears in the midspan, and the negative bending moment appears on the upper part of the support, the reinforcing method has the defects, is not suitable for reinforcing the negative bending moment area, and cannot effectively realize the reinforcement.
At present, a prestressed steel strand reinforcing method and a prestressed carbon fiber plate reinforcing method are also adopted as reinforcing methods for reinforced concrete continuous beams, but the external prestressed steel strand reinforcing method is complex in construction process, high in cost and difficult in later maintenance, the prestressed carbon fiber plate reinforcing method has the defects of aging of structural glue, poor high temperature resistance and unsuitability for a wet surface, and the prestressed reinforcing methods are all complex in construction and unsuitability for a high-humidity environment and a large-creep structure.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a reinforcing apparatus of reinforced concrete continuous beam to it is poor to solve current reinforced concrete continuous beam reinforcement method and have the reinforcement effect, and the work progress is complicated, and is with high costs, and is unfavorable for the technical problem of later maintenance.
In order to achieve the purpose, the utility model adopts the technical proposal that:
the utility model discloses a reinforcing device of a reinforced concrete continuous beam, which is used for reinforcing the reinforced concrete continuous beam; the reinforcing device comprises a first reinforcing unit and a second reinforcing unit;
a first burr groove is formed in the surface of the bottom positive bending moment area of the reinforced concrete continuous beam, and the first reinforcing unit is arranged in the first burr groove; the first reinforcing unit comprises a first high-ductility concrete layer and a plurality of first fiber fabric layers; the first high-ductility concrete layer is arranged in the first roughening groove, and a plurality of first fiber fabric layers are buried in the first high-ductility concrete layer in a layered mode;
the surface of the top negative bending area of the reinforced concrete continuous beam is provided with a second burr groove, and the second reinforcing unit is arranged in the second burr groove; the second reinforcing unit comprises a second high-ductility concrete layer and a plurality of second fiber fabric layers; the second high-ductility concrete layer is arranged in the second roughening groove, and the plurality of second fiber fabric layers are buried in the second high-ductility concrete layer in a layered mode.
Furthermore, the first high-ductility concrete layer and the second high-ductility concrete layer are formed by laying high-ductility concrete in a layered manner.
Furthermore, the first reinforcing unit also comprises a plurality of first tie bars; a plurality of first tie bars are uniformly distributed in the first chiseling grooves; one end of the first tie bar is fixedly inserted into the reinforced concrete continuous beam, and the other end of the first tie bar extends into the first high-ductility concrete layer;
the second reinforcing unit also comprises a plurality of second tie bars, and the second tie bars are uniformly distributed in the second chisel hair groove; one end of the second tie bar is fixedly inserted into the reinforced concrete continuous beam, and the other end of the second tie bar extends into the second high-ductility concrete layer.
Furthermore, the first tie bar and the second tie bar are both L-shaped tie bars; the L-shaped tie bar comprises a vertical section and a horizontal section;
one end of the vertical section is fixedly inserted into the reinforced concrete continuous beam, and the other end of the vertical section is embedded in the first high-ductility concrete layer or the second high-ductility concrete layer; the horizontal section is horizontally embedded in the first high-ductility concrete layer or the second high-ductility concrete layer and is vertically connected with the other end of the vertical section.
Furthermore, a plurality of reserved holes are uniformly formed in the first burr drilling groove and the second burr drilling groove, and the vertical section is fixed in the reinforced concrete continuous beam through bar planting glue.
Furthermore, the transverse spacing of the L-shaped tie bars is 100-200mm, and the longitudinal spacing of the L-shaped tie bars is 400-800mm.
Further, the first fiber fabric layer and the second fiber fabric layer are both carbon fiber fabrics.
Furthermore, in the first high-ductility concrete layer, the number of the first fiber fabric layers is 1-3; wherein the distance between two adjacent first fiber fabric layers is 4-8mm; in the second high-ductility concrete layer, the number of the second fiber fabric layers is 1-3; wherein, the distance between two adjacent second fiber fabric layers is 4-8mm.
Further, the depth of the first chiseling groove is the distance from the beam bottom surface of the reinforced concrete continuous beam to the coarse aggregate exposure surface of the beam bottom; the depth of the second chisel hair groove is 15-30mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a reinforcing device for a reinforced concrete continuous beam, which embeds fiber fabrics in high-ductility concrete to form a reinforcing unit; the fiber fabric has the advantages of corrosion resistance and high tensile strength, and the high-ductility concrete layer has the advantages of high ductility and high toughness; the advantages of the reinforcing units are exerted, and the mutual synergistic effect can be generated, so that the reinforcing units can be uniformly stressed; the reinforcing unit is arranged in the positive and negative bending moment area of the reinforced concrete continuous beam, so that the stress performance of the member is effectively improved and the bearing capacity of the continuous beam is improved on the premise of not influencing the section size and the dead weight of the reinforced concrete continuous beam, and the reinforced concrete continuous beam has the advantages of convenience in construction, low cost and follow-up maintenance method; compared with the existing prestress reinforcement method, the method can effectively avoid using complex tensioning anchors, and reduces construction cost and later maintenance cost.
Furthermore, the L-shaped tie bars are arranged between the high-ductility concrete layer and the reinforced concrete continuous beam, and the bonding force between the reinforcing unit and the concrete member is effectively improved by utilizing the tie effect of the L-shaped tie bars, so that the problem of reinforcing failure caused by peeling of the reinforcing surface layer is prevented.
Drawings
Fig. 1 is a schematic view of the overall structure of a reinforcing apparatus for a reinforced concrete continuous beam according to the present invention;
fig. 2 is a partial structure diagram of a first fiber fabric layer according to the present invention.
The reinforced concrete beam comprises 1 first reinforcing units, 2 second reinforcing units, 3 reinforced concrete continuous beams and 4 supports; 101 a first high-ductility concrete layer, 102 a first tie bar and 103 a first fiber fabric layer; 201 a second high-ductility concrete layer, 202 a second lacing wire and 203 a second fiber fabric layer.
Detailed Description
In order to make the technical problem solved by the present invention, technical solution and beneficial effect are more clearly understood, and the following specific embodiments are right for the present invention to proceed further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in the attached drawings 1-2, the utility model provides a reinforcing device for a reinforced concrete continuous beam, which is used for reinforcing the reinforced concrete continuous beam 3; the reinforcing device comprises a first reinforcing unit 1 and a second reinforcing unit 2; the first reinforcing unit 1 is used for reinforcing a positive bending moment area at the bottom of the reinforced concrete continuous beam 3; and the second reinforcing unit 2 is used for reinforcing the top hogging moment area of the reinforced concrete continuous beam 3.
The reinforced concrete continuous beam 3 is horizontally arranged above the plurality of supports 4; wherein, the positive bending moment area of the reinforced concrete continuous beam 3 is positioned at the bottom of the reinforced concrete continuous beam 3 and is arranged in the span between two adjacent supports 4; the hogging moment region of the reinforced concrete continuous beam 3 is positioned at the top of the reinforced concrete continuous beam 3 and above the support 4; the surface of the positive bending moment area at the bottom of the reinforced concrete continuous beam 3 is provided with a first scabbling groove, and the first scabbling groove is positioned in the span of the reinforced concrete continuous beam 3; and a second scabbling groove is arranged on the surface of the top hogging moment area of the reinforced concrete continuous beam 3, is positioned at the top of the reinforced concrete continuous beam 3 and is arranged above the support 4.
The first reinforcement unit 1 is arranged in the first chisel hair groove; the first reinforcing unit 1 comprises a first high-ductility concrete layer 101, a plurality of first tie bars 102 and a plurality of first fiber fabric layers 103; the first high-ductility concrete layer 101 is arranged in the first roughening groove; a plurality of first tie bars 102 are uniformly distributed in the first chiseling grooves; one end of the first tie bar 102 is fixedly inserted into the reinforced concrete continuous beam 3, and the other end of the first tie bar 102 extends into the first high-ductility concrete layer 101; a plurality of first fiber fabric layers 103 are embedded in the first high-ductility concrete layer 101 in layers.
The second reinforcement element 2 is arranged in the second chisel groove; the second reinforcing unit 2 comprises a second high-ductility concrete layer 201, a plurality of second tie bars 202 and a plurality of second fiber fabric layers 203; the second high-ductility concrete layer 201 is arranged in the second gouging groove; a plurality of second tie bars 202 are uniformly distributed in the second chisel hair groove; one end of the second tie bar 202 is fixedly inserted into the reinforced concrete continuous beam 3, and the other end of the second tie bar 202 extends into the second high-ductility concrete layer 201; a plurality of second fiber fabric layers 203 are embedded in the second high-ductility concrete layer 201 in layers.
In the utility model, the depth of the first chiseling groove is the distance between the bottom surface of the reinforced concrete continuous beam and the exposed surface of the coarse aggregate at the bottom of the beam; the depth of the second chisel hair groove is 15-30mm.
The first high-ductility concrete layer 101 and the second high-ductility concrete layer 201 are formed by laying high-ductility concrete in a layered manner; wherein the thickness of the first high-ductility concrete layer 101 and the second high-ductility concrete layer 201 is 15-30mm; the high-ductility concrete is prepared by mixing cement, fly ash, silica fume, sand, PE fiber, a water reducing agent and water; the weight percentages of cement, fly ash, silica fume, sand and water are respectively 0.1; the adding amount of the PE fiber is 1.5 percent of the total volume of the cement, the fly ash, the silica fume, the sand and the water after being uniformly mixed; the addition amount of the water reducing agent is 0.8 percent of the total mass of the cement, the fly ash and the silica fume; the cement is P.O.52.5R portland cement; the fly ash is I-grade fly ash; the loss on ignition of silica fume is 5%; the content of silicon dioxide is 88 percent, and the specific surface area is 18000m 2 (iv) kg; the maximum grain size of the sand is 1.26mm; the length of the PE fiber is 12mm, the diameter is 25 mu m, the length-diameter ratio is 0.48, the tensile strength is 2500MPa, the elastic modulus is 100GPa, and the density is 0.97g/cm 3 Elongation 3.5%; the water reducing agent is I type polycarboxylic acid high-performance water reducing agent, and the water reducing rate is more than 30%.
In the present invention, the first tie bar 102 and the second tie bar 202 are both L-shaped tie bars; the L-shaped tie bar comprises a vertical section and a horizontal section; one end of the vertical section is fixedly inserted into the reinforced concrete continuous beam 3, and the other end of the vertical section is embedded in the first high-ductility concrete layer 101 or the second high-ductility concrete layer 201; the horizontal section is horizontally embedded in the first high-ductility concrete layer 101 or the second high-ductility concrete layer 201 and is vertically connected with the other end of the vertical section.
In the utility model, a plurality of reserved holes are uniformly arranged in the first chiseling groove and the second chiseling groove, and the vertical section of the L-shaped tie bar is fixed in the reinforced concrete continuous beam 3 through bar planting glue; the horizontal section of the L-shaped tie bar is embedded in the first high-ductility concrete layer 101 or the second high-ductility concrete layer 201 and is vertically fixed with the vertical section of the L-shaped tie bar; during construction, a reserved hole needs to be arranged on the reinforced concrete continuous beam 3, the diameter of the reserved hole is 8-12mm, the depth of the reserved hole is 80-100mm, and the position of the reserved hole corresponds to the arrangement position of the L-shaped tie bar; the length of the long side of the L-shaped lacing wire is 90-120mm, the length of the short side is 3-5mm, and the diameter is 8-12mm; the transverse spacing and the longitudinal spacing of the L-shaped tie bars are 100-200mm and 400-800mm respectively.
In the present invention, in the first high-ductility concrete layer 101, the number of layers of the first fiber fabric layer 103 is 1-3; when the number of the first fiber fabric layers 103 is more than or equal to 2, the distance between two adjacent first fiber fabric layers 103 is 4-8mm; in the second high-ductility concrete layer 201, the number of the second fiber fabric layers 203 is 1-3; when the number of the second fiber fabric layers 203 is greater than or equal to 2, the distance between two adjacent second fiber fabric layers 203 is 4-8mm; preferably, the first fiber fabric layer 103 and the second fiber fabric layer 203 are both carbon fiber fabrics.
The construction method comprises the following steps:
reinforcing apparatus of reinforced concrete continuous beam, during the construction, including following step:
And 2, drilling reserved holes at the selected positions of the roughening grooves, wherein the drilling depth is 80-100mm, the drilling diameter is 8-12mm, injecting bar planting glue into the reserved holes, and driving L-shaped tie bars.
And 3, cleaning dust on the chiseling groove and in the reserved hole, and spraying water to moisten the dust.
And 4, smearing a layer of high-ductility concrete on the scabbling groove, embedding the fiber fabric layer into the high-ductility concrete surface layer, smearing a layer of high-ductility concrete, repeating the steps for the member needing multiple fiber fabric layers, and finally, smearing and flattening. And determining the number of layers of the fiber fabric layer and the thickness of the high-ductility concrete according to actual requirements.
The reinforcing device of the utility model respectively presses and smears the high-ductility concrete into the scabbling grooves in the positive and negative bending moment areas of the reinforced concrete continuous beam; before construction, chiseling treatment needs to be carried out on a bottom positive bending moment area of the reinforced concrete continuous beam, and coarse aggregates at the bottom of the beam can be seen according to the chiseling degree; chiseling the hogging moment area at the top of the reinforced concrete continuous beam, wherein the chiseling depth is 15-30mm; the fiber fabric layer is embedded in the high-ductility concrete layer, one end of the L-shaped tie bar is embedded into the reserved hole of the reinforced concrete continuous beam by using bar-embedding glue, and the other end of the L-shaped tie bar is embedded in the high-ductility concrete layer; in the utility model, the fiber fabric and the high-ductility concrete are used as main bending-resistant reinforcing parts, the fiber fabric has the advantages of corrosion resistance and high tensile strength, the high-ductility concrete has the advantages of high ductility and high toughness, the fiber fabric is embedded in the high-ductility concrete surface layer to enable the stress to be more uniform, and the combination of the fiber fabric and the high-ductility concrete surface layer can fully exert respective advantages; the bonding force between the high-ductility concrete layer and the concrete member can be enhanced by adopting the L-shaped tie bars, so that the reinforced surface layer is prevented from being peeled off; by paving the high-ductility concrete layer in the positive and negative bending moment area of the reinforced concrete continuous beam, the stress performance of the member can be obviously improved and the bearing capacity can be improved on the premise of not influencing the section size and increasing the dead weight, and the high-ductility concrete continuous beam has the advantages of convenience in construction, low cost, convenience in later maintenance and the like, and is suitable for members with large deflection; compared with a prestress reinforcing method, the method avoids using complex tensioning anchors, is convenient to construct, and can reduce the later-stage maintenance cost.
The utility model discloses in, adopt and set up the reinforcement unit in the positive and negative moment of flexure district of reinforced concrete continuous beam, ensured not influencing under the cross sectional dimension of reinforced concrete continuous beam and the prerequisite of dead weight, effectively improve the atress performance of component, improve the bearing capacity of continuous beam, have construction convenience, with low costs, and the advantage of follow-up maintenance method.
The above embodiment is only one of the embodiments that can realize the technical solution of the present invention, and the scope of the present invention is not limited only by the embodiment, but also includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention.
Claims (9)
1. A reinforcing device for a reinforced concrete continuous beam is characterized in that the reinforcing device is used for reinforcing the reinforced concrete continuous beam (3); the reinforcing device comprises a first reinforcing unit (1) and a second reinforcing unit (2);
a first burr-chiseling groove is formed in the surface of the bottom positive bending moment area of the reinforced concrete continuous beam (3), and the first reinforcing unit (1) is arranged in the first burr-chiseling groove; the first reinforcing unit (1) comprises a first high-ductility concrete layer (101) and a plurality of first fiber fabric layers (103); the first high-ductility concrete layer (101) is arranged in the first roughening groove, and a plurality of first fiber fabric layers (103) are embedded in the first high-ductility concrete layer (101) in a layered mode;
the surface of the top negative bending area of the reinforced concrete continuous beam (3) is provided with a second burr groove, and the second reinforcing unit (2) is arranged in the second burr groove; the second reinforcing unit (2) comprises a second high-ductility concrete layer (201) and a plurality of second fiber fabric layers (203); the second high-ductility concrete layer (201) is arranged in the second roughening groove, and a plurality of second fiber fabric layers (203) are buried in the second high-ductility concrete layer (201) in a layered mode.
2. The reinforcement of a reinforced concrete continuous beam according to claim 1, wherein the first high-ductility concrete layer (101) and the second high-ductility concrete layer (201) are layered with high-ductility concrete.
3. A reinforcement device of a reinforced concrete continuous beam according to claim 1, characterized in that said first reinforcement unit (1) further comprises a plurality of first tie bars (102); a plurality of first tie bars (102) are uniformly distributed in the first chiseling grooves; one end of the first tie bar (102) is fixedly inserted into the reinforced concrete continuous beam (3), and the other end of the first tie bar (102) extends into the first high-ductility concrete layer (101);
the second reinforcing unit (2) further comprises a plurality of second tie bars (202), and the second tie bars (202) are uniformly distributed in the second chiseling groove; one end of the second tie bar (202) is fixedly inserted into the reinforced concrete continuous beam (3), and the other end of the second tie bar (202) extends into the second high-ductility concrete layer (201).
4. A reinforcing apparatus of a reinforced concrete continuous beam according to claim 3, wherein said first tie bar (102) and said second tie bar (202) are both L-shaped tie bars; the L-shaped tie bar comprises a vertical section and a horizontal section;
one end of the vertical section is fixedly inserted into the reinforced concrete continuous beam (3), and the other end of the vertical section is embedded in the first high-ductility concrete layer (101) or the second high-ductility concrete layer (201); the horizontal section is horizontally embedded in the first high-ductility concrete layer (101) or the second high-ductility concrete layer (201) and is vertically connected with the other end of the vertical section.
5. The reinforcing device of the reinforced concrete continuous beam as claimed in claim 4, wherein a plurality of reserved holes are uniformly arranged in the first and second gouging grooves, and the vertical section is fixed in the reinforced concrete continuous beam (3) through bar planting glue.
6. A reinforcing apparatus of a reinforced concrete continuous beam according to claim 4, wherein the transverse interval of the L-shaped tie bars is 100-200mm, and the longitudinal interval of the L-shaped tie bars is 400-800mm.
7. A reinforcement arrangement for a reinforced concrete continuous beam according to claim 1, characterized in that the first fibre fabric layer (103) and the second fibre fabric layer (203) are both carbon fibre fabrics.
8. The reinforcement of a reinforced concrete continuous beam according to claim 1, wherein the number of the first fiber fabric layer (103) in the first high ductility concrete layer (101) is 1-3; wherein, the distance between two adjacent first fiber fabric layers (103) is 4-8mm; in the second high-ductility concrete layer (201), the number of the second fiber fabric layers (203) is 1-3; wherein, the distance between two adjacent second fiber fabric layers (203) is 4-8mm.
9. The reinforcing device of the reinforced concrete continuous beam as claimed in claim 1, wherein the depth of the first gouging groove is the distance from the bottom surface of the reinforced concrete continuous beam to the coarse aggregate exposure surface of the bottom of the reinforced concrete continuous beam; the depth of the second chisel hair groove is 15-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222761191.6U CN218541656U (en) | 2022-10-19 | 2022-10-19 | Reinforcing apparatus of reinforced concrete continuous beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222761191.6U CN218541656U (en) | 2022-10-19 | 2022-10-19 | Reinforcing apparatus of reinforced concrete continuous beam |
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| CN218541656U true CN218541656U (en) | 2023-02-28 |
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| CN202222761191.6U Active CN218541656U (en) | 2022-10-19 | 2022-10-19 | Reinforcing apparatus of reinforced concrete continuous beam |
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Effective date of registration: 20240125 Address after: No. 99 Ren'ai Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province, 215000, D213-214 Patentee after: Wuhe New Materials Technology (Suzhou) Co.,Ltd. Country or region after: China Address before: 710055 Yanta Road 13, Xi'an City, Shaanxi Province Patentee before: XIAN University OF ARCHITECTURE AND TECHNOLOG Country or region before: China |