CN212534653U - Fiber reinforced concrete double-connection beam with built-in steel plates - Google Patents
Fiber reinforced concrete double-connection beam with built-in steel plates Download PDFInfo
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- CN212534653U CN212534653U CN202020702721.8U CN202020702721U CN212534653U CN 212534653 U CN212534653 U CN 212534653U CN 202020702721 U CN202020702721 U CN 202020702721U CN 212534653 U CN212534653 U CN 212534653U
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Abstract
The utility model discloses a fibre reinforced concrete pair of built-in steel sheet is roof beam, include the pair roof beam body that even roof beam and lower even roof beam are constituteed on being parallel to each other and being upper and lower setting by two, on even roof beam and the equal fixed connection in both ends of lower even roof beam be on the wall limb and link into a whole with the wall limb, on even roof beam and lower even roof beam in along its span direction evenly be provided with a plurality of annular even roof beam stirrups, it still wears to be equipped with the vertical muscle to be located even roof beam or lower even roof beam, the both ends of institute's vertical muscle are located the wall limb, it wears to be equipped with the steel sheet jointly in even roof beam or a plurality of even roof beam stirrups of lower even roof beam to be located, the both ends of steel sheet stretch into the wall limb, the peg has still been welded on the tow sides of steel sheet, indulge the muscle, the steel sheet, even roof beam stirrups, the wall limb, on even roof beam, lower even. The utility model discloses a fibre reinforced concrete double-link roof beam of built-in steel sheet combines steel sheet and fibre reinforced concrete, and both can fine performance synergism.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, a fibre reinforced concrete double-link roof beam of built-in steel sheet is related to.
Background
The connecting beam is an important energy dissipation component in a shear wall structure and is a first defense line for resisting earthquake of a high-rise structure system. However, the span-height ratio of the coupling beam applied to high-rise buildings is generally smaller, and brittle shear failure is easy to occur under the action of earthquake, so that the ductility of the coupling beam is increased, and the deformability and the bearing capacity of the coupling beam are improved, so that the improvement of the seismic performance of the high-rise building system under the action of strong earthquake is very important.
In recent times of major earthquake disasters, the doubly-linked beam has better ductility under the action of earthquake, but still is easy to be subjected to brittle shear failure and the bearing capacity is damaged due to the seam. The bearing capacity of the double-connected beam with the built-in steel plate is greatly improved, but the common concrete is brittle and easy to crack, the bonding force between the steel plate and the concrete is damaged by the cracked concrete, and the steel plate and the concrete cannot well play a synergistic effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fibre reinforced concrete double-link roof beam of built-in steel sheet combines steel sheet and fibre reinforced concrete, has solved the double-link roof beam bearing capacity behind the built-in steel sheet that exists among the prior art and has obtained very big improvement, but ordinary concrete quality is fragile easily ftractureed, and the concrete makes the steel sheet suffer destruction with the cohesive force of concrete after the fracture, the problem of the not fine performance synergism of both.
The technical proposal adopted by the utility model is that the fiber reinforced concrete double-linked beam with the built-in steel plate comprises a double-linked beam body, two ends of the double-linked beam body are fixedly connected on a wall limb and are connected with the wall limb into a whole, the double-linked beam body consists of an upper linked beam and a lower linked beam which are parallel to each other and are arranged up and down, two ends of the upper linked beam and the lower linked beam are fixedly connected on the wall limb and are connected with the wall limb into a whole, a plurality of annular linked beam stirrups are evenly arranged in the upper linked beam and the lower linked beam along the span direction, longitudinal bars are also arranged in the upper linked beam or the lower linked beam, two ends of the longitudinal bars are positioned in the wall limb, a steel plate is arranged in the upper linked beam or the lower linked beam in a penetrating way, two ends of the steel plate extend into the wall limb, studs are welded on the front and back sides of the steel plate, the longitudinal bars, the steel plate and the linked beam stirrups, the wall limbs, the upper connecting beam and the lower connecting beam are fixedly connected through fiber reinforced concrete pouring.
The utility model is also characterized in that,
the connecting beam stirrup is arranged in a rectangular ring shape.
Indulge the muscle and pass a plurality of even roof beam stirrups that are located even roof beam or even roof beam down, and the four corners of even roof beam stirrups all wears to be equipped with one and indulges the muscle, and two of the top indulge the muscle both ends and buckle up on being located even roof beam, and two of the below indulge the muscle both ends and buckle down on being located even roof beam, and two of the top indulge the muscle both ends and buckle up on being located even roof beam down, and two of the below indulge the muscle both ends and buckle down on being located even roof beam down.
The span direction of the upper connecting beam and the lower connecting beam is consistent with the length direction of the steel plate.
The steel plate is respectively embedded in the middle of the upper connecting beam and the lower connecting beam, the thickness direction of the steel plate is consistent with that of the upper connecting beam and the lower connecting beam, the axial direction of the stud is vertical to that of the steel plate, and the studs on two surfaces of the same steel plate are symmetrically arranged.
The number and the arrangement form of the studs welded on the front and back surfaces of the steel plates in the upper connecting beam and the lower connecting beam are the same.
The utility model has the advantages that:
the utility model relates to a built-in steel plate fiber reinforced concrete combined double-link beam, which reduces the degree of bearing capacity damage caused by slotting of the double-link beam by arranging steel plates in the double-link beam; the fiber reinforced concrete is used at the junction of the connecting beam and the beam wall, and the width of a concrete crack can be effectively limited by utilizing the bridging effect of fibers in the fiber reinforced concrete, so that the synergistic effect of the steel plate and the concrete is achieved, and the anti-seismic performance of the double connecting beam can be enhanced to a better degree.
Drawings
FIG. 1 is a schematic structural view of a fiber reinforced concrete doubly-linked beam with a built-in steel plate according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
fig. 3 is a schematic structural diagram of the fiber reinforced concrete double-coupling beam pouring fiber reinforced concrete with a built-in steel plate.
In the figure, 1, a double-connecting beam body, 2, a stud, 3, a connecting beam stirrup, 4, a longitudinal rib, 5, a wall limb and 6, a steel plate;
1-1. upper connecting beam, 1-2. lower connecting beam.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a fiber reinforced concrete double-connecting beam with a built-in steel plate, the structure of which is shown in figure 1, the fiber reinforced concrete double-connecting beam comprises a double-connecting beam body 1, two ends of the double-connecting beam body 1 are fixedly connected on a wall limb 5 and are connected with the wall limb 5 into a whole, the double-connecting beam body 1 consists of an upper connecting beam 1-1 and a lower connecting beam 1-2 which are parallel to each other and are arranged up and down, two ends of the upper connecting beam 1-1 and the lower connecting beam 1-2 are fixedly connected on the wall limb 5 and are connected with the wall limb 5 into a whole, a plurality of annular connecting beam stirrups 3 are uniformly arranged in the upper connecting beam 1-1 and the lower connecting beam 1-2 along the span direction, longitudinal reinforcements 4 are also arranged in the upper connecting beam 1-1 or the lower connecting beam 1-2, two ends of the longitudinal reinforcements 4 are arranged in the wall limb 5, and a steel plate 6 is arranged in the upper connecting beam 1-1 or the lower connecting beam 1-2 and the plurality of the connecting beam stirrups 3, two ends of a steel plate 6 extend into the wall limbs 5, studs 2 are welded on the front side and the back side of the steel plate 6, longitudinal ribs 4, the steel plate 6, coupling beam stirrups 3, the wall limbs 5, upper coupling beams 1-1 and lower coupling beams 1-2 are fixedly connected through fiber reinforced concrete pouring, and the fiber reinforced concrete is level with the built-in steel plate at the color pouring position inside the wall limbs.
The connecting beam stirrup 3 is arranged in a rectangular ring shape.
The longitudinal ribs 4 penetrate through the plurality of connecting beam stirrups 3 positioned in the upper connecting beam 1-1 or the lower connecting beam 1-2, the four corners of each connecting beam stirrup 3 are provided with one longitudinal rib 4 in a penetrating manner, two ends of each longitudinal rib 4 positioned above the upper connecting beam 1-1 are bent upwards, two ends of each longitudinal rib 4 positioned below the upper connecting beam 1-1 are bent downwards, two ends of each longitudinal rib 4 positioned above the lower connecting beam 1-2 are bent upwards, and two ends of each longitudinal rib 4 positioned below the lower connecting beam 1-2 are bent downwards.
The span direction of the upper connecting beam 1-1 and the lower connecting beam 1-2 is consistent with the length direction of the steel plate 6.
The steel plate 6 is respectively embedded in the middle of the upper connecting beam 1-1 and the lower connecting beam 1-2, the thickness direction of the steel plate 6 is consistent with that of the upper connecting beam 1-1 and the lower connecting beam 1-2, the axial direction of the stud 2 is vertical to that of the steel plate 6, and the studs 2 on two surfaces of the same steel plate 6 are symmetrically arranged.
The number and the arrangement form of the studs 2 welded on the front and the back surfaces of the steel plates 6 in the upper connecting beam 1-1 and the lower connecting beam 1-2 are the same.
The utility model relates to a fibre reinforced concrete double beam's of built-in steel sheet preparation process does:
the method comprises the steps of respectively inserting a coupling beam stirrup 3, a longitudinal bar 4 and two steel plates 1 into an upper coupling beam 1-1 and a lower coupling beam 1-2 steel reinforcement framework for fixing and assembling, welding shear-resistant studs 2 on the front and back surfaces of a steel plate 6, pouring fiber reinforced concrete 5 at the position shown in the figure 3 after a template is built, and pouring common concrete at other positions after the fiber reinforced concrete is poured and maintained for a period of time so as to prevent the common concrete from flowing into the fiber reinforced concrete to be poured.
The utility model discloses the shear stud 2 of 6 tow sides of steel sheet when using is good at the inside direct welding of mill, treats the framework of steel reinforcement completion back, and among the disect insertion framework of steel reinforcement, the addition of steel sheet 6 can reduce the degree that the bearing capacity received the damage after linking the roof beam and cracking into two even roof beams. Pouring the fibre reinforced concrete at the position shown in figure 3 greatly improves the synergy between the steel plate and the concrete. The defects of poor bearing capacity and poor energy consumption capacity of the traditional reinforced concrete double-connecting beam are overcome, and the anti-seismic performance and the constructability of the double-connecting beam can be enhanced.
Claims (6)
1. The fiber reinforced concrete double-coupling beam with the built-in steel plate is characterized by comprising a double-coupling beam body (1), wherein two ends of the double-coupling beam body (1) are fixedly connected to a wall limb (5) and are connected with the wall limb (5) into a whole, the double-coupling beam body (1) consists of an upper coupling beam (1-1) and a lower coupling beam (1-2) which are parallel to each other and are arranged up and down, two ends of the upper coupling beam (1-1) and the lower coupling beam (1-2) are fixedly connected to the wall limb (5) and are connected with the wall limb (5) into a whole, a plurality of annular coupling beam stirrups (3) are uniformly arranged in the upper coupling beam (1-1) and the lower coupling beam (1-2) along the span direction, longitudinal ribs (4) are also penetrated in the upper coupling beam (1-1) or the lower coupling beam (1-2), and two ends of the longitudinal ribs (4) are positioned in the wall limb (5), the reinforced concrete wall is characterized in that steel plates (6) are arranged in a plurality of beam connecting stirrups (3) of the upper connecting beam (1-1) or the lower connecting beam (1-2) in a penetrating mode, two ends of each steel plate (6) stretch into the wall limbs (5), studs (2) are further welded on the front surface and the back surface of each steel plate (6), and the longitudinal ribs (4), the steel plates (6), the beam connecting stirrups (3), the wall limbs (5), the upper connecting beam (1-1) and the lower connecting beam (1-2) are fixedly connected through fiber reinforced concrete pouring.
2. A steel plate built-in fiber reinforced concrete doubly-linked beam as claimed in claim 1, wherein said beam-linking stirrup (3) is provided in a rectangular ring shape.
3. The fiber reinforced concrete double-link beam with the built-in steel plates as claimed in claim 2, wherein the longitudinal ribs (4) penetrate through a plurality of the link beam stirrups (3) positioned in the upper link beam (1-1) or the lower link beam (1-2), one longitudinal rib (4) is arranged at each of four corners of each link beam stirrup (3), two ends of two longitudinal ribs (4) positioned above the upper link beam (1-1) are bent upwards, two ends of two longitudinal ribs (4) positioned below the upper link beam (1-1) are bent downwards, two ends of two longitudinal ribs (4) positioned above the lower link beam (1-2) are bent upwards, and two ends of two longitudinal ribs (4) positioned below the lower link beam (1-2) are bent downwards.
4. A steel plate built-in fiber reinforced concrete doubly linked beam as claimed in claim 3, wherein the span direction of said upper and lower linked beams (1-2) is maintained in conformity with the length direction of the steel plate (6).
5. The fiber reinforced concrete doubly-linked beam with the built-in steel plates as claimed in claim 3, wherein the steel plates (6) are respectively embedded in the middle of the upper linked beam (1-1) and the lower linked beam (1-2), the thickness direction of the steel plates (6) is consistent with that of the upper linked beam (1-1) and the lower linked beam (1-2), the axial direction of the studs (2) is vertical to that of the steel plates (6), and the studs (2) on two surfaces of the same steel plate (6) are symmetrically arranged.
6. The fiber reinforced concrete doubly connected beam with the built-in steel plate as claimed in claim 3, wherein the number and arrangement form of the studs (2) welded on the front and back sides of the steel plate (6) in the upper and lower connecting beams (1-1, 1-2) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020702721.8U CN212534653U (en) | 2020-04-30 | 2020-04-30 | Fiber reinforced concrete double-connection beam with built-in steel plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020702721.8U CN212534653U (en) | 2020-04-30 | 2020-04-30 | Fiber reinforced concrete double-connection beam with built-in steel plates |
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| Publication Number | Publication Date |
|---|---|
| CN212534653U true CN212534653U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020702721.8U Active CN212534653U (en) | 2020-04-30 | 2020-04-30 | Fiber reinforced concrete double-connection beam with built-in steel plates |
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| CN (1) | CN212534653U (en) |
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