CN212613400U - Flexible fiber rope combined stirrup - Google Patents
Flexible fiber rope combined stirrup Download PDFInfo
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- CN212613400U CN212613400U CN202021794382.7U CN202021794382U CN212613400U CN 212613400 U CN212613400 U CN 212613400U CN 202021794382 U CN202021794382 U CN 202021794382U CN 212613400 U CN212613400 U CN 212613400U
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Abstract
The utility model relates to a flexible fiber rope combination stirrup, including enclose into circular or regular polygon's main muscle, fix the outside rigidity stirrup on the main muscle to and be connected and tighten flexible stirrup to its inboard that retrains with whole or partial main muscle. Compared with the prior art, the utility model discloses simple structure, the construction is simple and convenient, and can reach or surpass required stirrup mechanical properties, can improve the efficiency of construction, be convenient for the industrialization manufacturing concrete pier, post, roof beam or shear force wall etc..
Description
Technical Field
The utility model belongs to the technical field of civil engineering, a flexible fiber rope combination stirrup is related to.
Background
In reinforced concrete piers, columns, beams and shear walls, the stirrups provide shear strength and have the functions of erecting and reducing the free length of the longitudinal bars to prevent buckling and restrain core concrete. At present, optical round steel bars or hot-rolled ribbed steel bars are mainly adopted as stirrups, and in the reinforcement cage binding process, a large amount of time and energy are consumed for binding the stirrups, especially, the binding of polygons and closed stirrups on the inner sides of the sections is limited by the space, so that the construction is greatly inconvenient, and a large amount of labor is consumed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible fiber rope combination stirrup, its simple structure, the construction is simple and convenient, and can reach or surpass required stirrup mechanical properties.
The purpose of the utility model can be realized through the following technical scheme:
a flexible fiber rope combined stirrup comprises a main reinforcement which is enclosed into a circle or a regular polygon, an outer side rigid stirrup which is fixed on the main reinforcement, and an inner side flexible stirrup which is connected with all or part of the main reinforcement and restrains the main reinforcement.
Furthermore, the inner flexible stirrup and the restrained main reinforcement are wound for at least one circle.
Furthermore, the inner flexible stirrup is made of flexible fiber ropes, and the flexible fiber ropes are one or a combination of a plurality of carbon fiber ropes, glass fiber ropes, basalt fiber ropes or aramid fiber ropes. Compared with steel materials, on the premise of meeting the flexibility, the steel materials have higher tensile strength, better corrosion resistance, lighter self weight and higher specific strength. Meanwhile, the carbon fiber rope has higher elastic modulus and can provide better constraint effect for the core concrete; the highest working temperature of the basalt fiber rope is higher than that of steel, and the temperature expansion coefficient of the basalt fiber rope is very similar to that of concrete. The fiber rope made of the fiber material can be used as the flexible stirrup to ensure economy and safety, is easy to construct, remarkably improves construction efficiency, increases practicability, and has remarkable advantages in realizing industrial manufacturing of precast concrete members.
Furthermore, the heads and the tails of the inner flexible stirrups are connected together through knots or cable clamps.
Furthermore, the outer rigid stirrups are plain round steel bars or hot-rolled ribbed steel bars.
Furthermore, the outer rigid stirrups are fixed with the main reinforcement in a binding or welding mode.
Furthermore, the cross section of the main reinforcement is rectangular, the end part of the rigid stirrup at the outer side is processed into a 135-degree hook, the flexible stirrup at the inner side is wound on the main reinforcement at the non-corner part, and except the main reinforcement at the corner part, two corresponding main reinforcements at two opposite edges are wound and restrained by the flexible stirrup at the inner side.
Furthermore, the cross section of the main reinforcement is rectangular, the end part of the outer rigid stirrup is processed into a 135-degree hook, the inner flexible stirrup is wound on the main reinforcement at the non-corner part, and other main reinforcements except the main reinforcement at the corner part are wound and restrained by the inner flexible stirrup to form a cross grid shape.
Furthermore, the cross section of the main reinforcement is arranged in a hexagon shape, the end part of the rigid stirrup at the outer side is processed into a 135-degree hook, and except the main reinforcement at the angular point position, the other main reinforcements are sequentially wound and restrained by adopting a flexible stirrup at the inner side.
Furthermore, the main reinforcement is arranged in a hollow frame shape, the end part of the rigid stirrup at the outer side is processed into a 135-degree hook, and the other main reinforcements on each side are sequentially wound and restrained by one flexible stirrup at the inner side except the main reinforcement at the corner.
Furthermore, the main reinforcements are arranged in a rectangular shape, the end parts of the rigid stirrups at the outer sides are processed into 135-degree hooks, a small number of rigid stirrups are still configured on the inner sides of the sections to provide the section shearing resistance, the rigid stirrups at the inner sides are all in a tie bar form, the flexible stirrups at the inner sides only consider the restraint of the flexible stirrups on core concrete and the effect of preventing the main reinforcements from buckling, and the shearing resistance of the flexible stirrups is used as the safe storage of the sections.
When the reinforced concrete member is bent and pressed, the concrete medium-pressure stress is gradually close to the uniaxial strength, the internal cracking is continuously expanded, the transverse strain is continuously increased, the outer side rigid stirrups are pulled to limit the transverse expansion of the concrete, the limit pressure stress of the core concrete is improved, buckling instability of longitudinal bars (namely main bars) is prevented, a pressure arch is formed at the position close to the outer side rigid stirrups, the inner side flexible stirrups play a role in original pulling, the pressure arch is enabled to be flatter, and the confined concrete area is improved. The fiber rope has higher elastic modulus and higher tensile strength than the steel bar, so that better constraint effect can be provided for core concrete, and the stirrup is not easy to break; in addition, the flexible stirrups can also improve the buckling resistance of the longitudinal bars. The outer rigid stirrups, portions of the inner rigid stirrups and the inner flexible stirrups together provide a shear resistance when the reinforced concrete structure is sheared. Meanwhile, the flexible stirrups can be conveniently bent, wound and the like in construction, and the space limitation in the binding process of the reinforcement cage is small; and ordinary stirrup need be with the help of the curved hoop machine of reinforcing bar, and the restriction in construction space can greatly influence the efficiency of construction in the ligature process of steel reinforcement cage.
Compared with the prior art, the utility model discloses an inboard stirrup is whole to be the rigid stirrup combination in flexible fiber rope or partial rigidity stirrup and the outside to form the stirrup net with the ligature winding of main muscle, not only can satisfy the mechanics requirement of the stirrup such as concrete pier, post, roof beam or shear force wall, simultaneously, whole efficiency of construction is high, can effectively reduce the manual work, practices thrift the engineering time.
Drawings
FIG. 1 is a schematic view of a flexible fiber rope combination stirrup of example 1;
FIG. 2 is a schematic view of the flexible fiber rope combination stirrup of example 2;
FIG. 3 is a schematic view of the flexible fiber rope combination stirrup of example 3;
FIG. 4 is a schematic view of the flexible fiber rope combination stirrup of example 4;
FIG. 5 is a schematic view of the flexible fiber rope combination stirrup of example 5;
FIG. 6 is a schematic view of the flexible fiber rope combination stirrup reinforcement cage of example 1;
the notation in the figure is:
1-main reinforcement, 2-outer rigid stirrup, 3-inner flexible stirrup and 4-inner rigid stirrup.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, unless otherwise specified, all conventional components or structures in the art for achieving the corresponding functions are shown.
The utility model provides a flexible fiber rope combination stirrup, its structure refers to shown in figure 1 to figure 5 etc. show, including enclose into circular or regular polygonal owner muscle 1, fix outside rigidity stirrup 2 on owner muscle 1 to and be connected and carry out the inboard flexible stirrup 3 of retraining to it with whole or partial owner muscle 1, wherein, constitute steel reinforcement cage basic framework through ligature or welding between main muscle 1 and the outside rigidity stirrup 2. The inner and outer sides are defined here as cross-sectional boundary lines, i.e. mainly in the outer region of the cross-sectional shape around the main rib, i.e. on the outer side thereof, and vice versa on the inner side thereof.
The utility model discloses an in a specific embodiment, inboard flexible stirrup 3 and the main muscle 1 of restraint between all twine at least a week, can effectively reduce the later stage atress like this and lead to sliding between concrete and the inboard flexible stirrup 3.
The utility model discloses an in a specific embodiment, inboard flexible stirrup 3 adopt flexible fiber rope to make, flexible fiber rope be the combination of one or more in carbon fiber rope, glass fiber rope, basalt fiber rope or the aramid fiber rope.
In a specific embodiment of the present invention, the ends of the inner flexible stirrups 3 are connected together by a knot or a cable clamp.
In a specific embodiment of the present invention, the outside rigid stirrups 2 are plain round steel bars or hot-rolled ribbed steel bars.
In a specific embodiment of the present invention, the outside rigid stirrup 2 is fixed to the main reinforcement 1 by means of binding or welding.
The utility model discloses an in a concrete embodiment, the transversal rectangle of personally submitting of main muscle 1 arrange, 135 hooks are processed into to the tip of outside rigidity stirrup 2, inboard flexible stirrup 3 then twines on the main muscle 1 in non-bight, except being located the main muscle 1 in bight, adopt an inboard flexible stirrup 3 winding restraint between two main muscle 1 that the position that is located two opposite edges respectively corresponds, inboard flexible stirrup 3 is perpendicular with the concrete free surface, can show the tensile stress that reduces inboard flexible stirrup 3, and improve the stability of main muscle 1 most effectively.
The utility model discloses an in a concrete embodiment, the transversal rectangle of personally submitting of main muscle 1 arrange, 135 hooks are processed into to the tip of outside rigidity stirrup 2, inboard flexible stirrup 3 then twines on the main muscle 1 of non-bight, except being located the main muscle 1 of bight, all the other main muscle 1 all twine the restraint and form cross latticed through an inboard flexible stirrup 3, the quantity of knot has been reduced, so reduced because the knot and the inboard flexible stirrup 3 that produces slide with the concrete, it can make pressure arch more flat to all retrain each main muscle 1 simultaneously, improve the area of restraint concrete.
The utility model discloses an in a concrete embodiment, main muscle 1 transversal personally submit the hexagon and arrange, 135 hooks are processed into to the tip of outside rigidity stirrup 2, except the main muscle 1 of angular point position, adopt an inboard flexible stirrup 3 to twine the restraint in proper order between all the other main muscle 1.
The utility model discloses an in a specific embodiment, main muscle 1 be the hollow frame type and arrange, 135 hooks are processed into to the tip of outside rigidity stirrup 2, except bight main muscle, all the other main muscle on every limit adopt an inboard flexible stirrup to twine the restraint in proper order.
The utility model discloses a in a concrete embodiment, main muscle 1 be the rectangle and arrange, 135 hooks are processed into to the tip of outside rigidity stirrup 2, still dispose a small amount of inboard rigidity stirrup 4 in the cross-section inboard and provide the cross-section ability of shearing, the inboard rigidity stirrup 4 of convenience of considering the construction all adopts the lacing wire form, and inboard flexible stirrup 3 only considers its restraint to the core concrete and prevents the effect of main muscle 1 bucking, regard its ability of shearing as the safe deposit in cross-section.
The above embodiments can be implemented individually, or in any combination of two or more combinations as required.
The above embodiments will be described in more detail with reference to specific examples.
Example 1:
this embodiment has provided a flexible fiber rope combination stirrup, its structure is seen in figure 1 and figure 6, including enclosing into circular or regular polygon's main muscle 1, fix outside rigidity stirrup 2 on main muscle 1, and be connected and carry out the inboard flexible stirrup 3 of retraining to it with whole or part main muscle 1, wherein, constitute steel reinforcement cage basic skeleton through ligature or welding between main muscle 1 and the outside rigidity stirrup 2, all twine at least a week between inboard flexible stirrup 3 and the main muscle 1 of retraining, can effectively reduce the later stage atress and lead to the slip between concrete and the inboard flexible stirrup 3 like this. Specifically, the inner flexible stirrup 3 is made of flexible fiber ropes, and the flexible fiber ropes are basalt fiber ropes, carbon fiber ropes and the like.
In this embodiment, outside rigidity stirrup 2 is fixed through ligature or welded mode and main muscle 1, the rectangle is arranged to the transversal personally submitting of main muscle 1, 135 hooks are processed into to the tip of outside rigidity stirrup 2, inboard flexible stirrup 3 then twines on the main muscle 1 in non-bight, except that being located the main muscle 1 in bight, adopt an inboard flexible stirrup 3 winding restraint between two main muscle 1 that the position that is located two offsides respectively corresponds, inboard flexible stirrup 3 is perpendicular with the concrete free surface, can show the tensile stress that reduces inboard flexible stirrup 3, and improve the stability of main muscle 1 most effectively.
Example 2:
compared with the embodiment 1, most of the embodiments are the same, except that the number and the constraint form of the main bars 1 constrained in the embodiment are changed, specifically: referring to fig. 2, except for the main reinforcement 1 at the corner, the other main reinforcements 1 are wound and constrained by an inner flexible stirrup 3 to form a cross grid shape, so that the number of knots is reduced, slippage between the inner flexible stirrup 3 and concrete caused by the knots is reduced, and simultaneously, each main reinforcement 1 is constrained to enable the pressure arch to be more flat, thereby increasing the area for constraining the concrete.
Example 3:
compared to example 1, most of them are the same except that in this example: referring to fig. 3, the cross section of the main reinforcement 1 is arranged in a hexagon, the end of the outer rigid stirrup 2 is processed into a 135-degree hook, and except the main reinforcement 1 at the angular point position, the other main reinforcements 1 are sequentially wound and restrained by an inner flexible stirrup 3.
Example 4:
compared to example 1, most of them are the same except that in this example: referring to fig. 4, the main ribs 1 are arranged in a hollow frame shape, the end portions of the outer rigid stirrups 2 are processed into 135-degree hooks, the main ribs on each side of the hollow frame are surrounded by the outer rigid stirrups 2, each side is generally composed of two rows of main ribs 1, and the main ribs on the other positions of each side except the main ribs on the corner are sequentially wound and restrained by one inner flexible stirrup.
Example 5:
compared to example 1, most of them are the same except that in this example: referring to fig. 5, the main reinforcement 1 is arranged in a rectangular shape, the end of the outer rigid stirrup 2 is processed into a 135-degree hook, a small number of inner rigid stirrups 4 are still arranged on the inner side of the cross section to provide the cross section shear resistance, the inner rigid stirrups 4 are all in a tie bar form in consideration of the construction convenience, and the flexible stirrups 3 only consider the constraint on the core concrete and the effect of preventing the main reinforcement 1 from buckling, and use the shear resistance as the safe storage of the cross section.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a flexible fiber rope combination stirrup which characterized in that, includes encloses into circular or regular polygon's main muscle, fixes the outside rigidity stirrup on the main muscle to and be connected and carry out the inside flexible stirrup of restraint to whole or partial main muscle.
2. A flexible fiber rope composite stirrup as defined in claim 1, wherein said inner flexible stirrup is wound at least one turn around the constrained main rib.
3. The flexible fiber rope combined stirrup as claimed in claim 1, wherein the inner flexible stirrup is made of flexible fiber ropes, and the flexible fiber ropes are one or more of carbon fiber ropes, glass fiber ropes, basalt fiber ropes and aramid fiber ropes.
4. A flexible fiber rope composite stirrup as in claim 1, wherein the ends of the inner flexible stirrup are connected together by a knot or a cable clamp.
5. The flexible fiber rope composite stirrup as claimed in claim 1, wherein the outer rigid stirrup is plain round steel or hot rolled ribbed steel.
6. The flexible fiber rope combined stirrup as claimed in claim 1, wherein the outer rigid stirrup is fixed with the main reinforcement by means of binding or welding.
7. The flexible fiber rope combined stirrup as claimed in claim 1, wherein the main reinforcement has a rectangular cross section, the end of the outer rigid stirrup is formed into a 135 ° hook, the inner flexible stirrup is wound around the main reinforcement at the non-corner part, and besides the main reinforcements at the corner parts, two corresponding main reinforcements at two opposite sides are wound and restrained by the inner flexible stirrup.
8. The flexible fiber rope combined stirrup as claimed in claim 1, wherein the main reinforcement is rectangular in cross section, the end of the outer rigid stirrup is formed into a 135-degree hook, the inner flexible stirrup is wound around the main reinforcement at the non-corner part, and the other main reinforcements except the main reinforcement at the corner part are wound and restrained by the inner flexible stirrup to form a cross grid shape.
9. The combined stirrup for the flexible fiber rope as claimed in claim 1, wherein the main reinforcement has a hexagonal cross section, the end of the outer rigid stirrup is formed into a 135-degree hook, and the other main reinforcements except the main reinforcement at the angular point position are sequentially wound and restrained by an inner flexible stirrup.
10. The combined stirrup of the flexible fiber rope as claimed in claim 1, wherein the main reinforcement is arranged in a hollow frame shape, the end part of the outer rigid stirrup is processed into a 135-degree hook, and the other main reinforcements on each side except the corner main reinforcement are sequentially wound and restrained by one or more inner flexible stirrups;
or the main reinforcements are arranged in a rectangular shape, the end parts of the outer rigid stirrups are processed into 135-degree hooks, part of the main reinforcements are connected by the rigid stirrups in a lacing wire form and provide the section shearing resistance, and the inner flexible stirrups are wound and restrained with part of the main reinforcements according to the requirements of restraining core concrete and preventing the main reinforcements from buckling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794382.7U CN212613400U (en) | 2020-08-25 | 2020-08-25 | Flexible fiber rope combined stirrup |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021794382.7U CN212613400U (en) | 2020-08-25 | 2020-08-25 | Flexible fiber rope combined stirrup |
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| Publication Number | Publication Date |
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| CN212613400U true CN212613400U (en) | 2021-02-26 |
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| CN202021794382.7U Active CN212613400U (en) | 2020-08-25 | 2020-08-25 | Flexible fiber rope combined stirrup |
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| CN (1) | CN212613400U (en) |
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