CN211974449U - Large-span beam reinforcing structure - Google Patents
Large-span beam reinforcing structure Download PDFInfo
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- CN211974449U CN211974449U CN202020324125.0U CN202020324125U CN211974449U CN 211974449 U CN211974449 U CN 211974449U CN 202020324125 U CN202020324125 U CN 202020324125U CN 211974449 U CN211974449 U CN 211974449U
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Abstract
The utility model discloses a large-span roof beam reinforced structure, it includes the roof beam body, cladding reinforced concrete layer on this roof beam body and inlays I-steel, banding steel sheet, end reinforcing bar, waist reinforcing bar and the stirrup in reinforced concrete layer, the I-steel passes through the crab-bolt setting in the bottom surface of the roof beam body, and the both sides of this I-steel have the cavity, the banding steel sheet seals on the opening of this cavity, makes this cavity form hollow structure. The utility model discloses structural design is ingenious, rationally adds and is equipped with the I-steel, and tensile strength is good to cooperate through end reinforcing bar, waist reinforcing bar and stirrup, effectively promote overall structure intensity, seal simultaneously through the banding steel sheet and make the formation hollow structure in the I-steel, the dead weight problem after the reinforcing of the longspan roof beam that significantly reduces has effectively solved traditional reinforcement technology and has strengthened the big shortcoming of cross-section dead weight and the problem that the tradition glues the steel sheet outward and leads to the super muscle easily.
Description
Technical Field
The utility model relates to a roof beam reinforcement technical field, concretely relates to large-span roof beam reinforced structure.
Background
The large-span beam is generally high in height and large in original reinforcing steel bar, the outer bonded steel plate is easy to cause excessive reinforcing steel bar, strong bending and weak shearing are formed, the beam is easy to cause brittle failure, the damage result is serious, and the design concept of strong shearing and weak bending is violated; the traditional method for enlarging the section often easily causes the self-weight load of the beam to be increased, so that the use requirement of the increased load is not good and the expected effect is achieved; in order to improve the bearing capacity of the large-span beam, a large-span beam reinforcing structure capable of solving the defect of large dead weight of an enlarged section of the traditional reinforcing process is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims to provide a structural design is ingenious, reasonable, can increase the large-span roof beam reinforced structure that the cross-section lightens the dead weight.
In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a large-span roof beam reinforced structure, its includes the roof beam body, cladding reinforced concrete layer on this roof beam body and inlay I-steel, banding steel sheet, end reinforcing bar, waist steel bar and the stirrup in reinforced concrete layer, the I-steel passes through the crab-bolt setting in the bottom surface of the roof beam body, and the both sides of this I-steel have the cavity, the banding steel sheet seals on the opening of this cavity, makes this cavity form hollow structure, end reinforcing bar is located the below position of I-steel, waist steel bar is located the both sides position of the roof beam body and I-steel, the stirrup hoops waist steel bar and end reinforcing bar, and the both ends symmetry of this stirrup upwards extends to connect on the floor.
As an improvement of the utility model, the surface of the beam body is provided with chisels, so that the bonding firmness is improved.
As an improvement of the utility model, a steel adhesive layer is arranged between the beam body and the I-shaped steel to enhance the connecting capacity of the cross section.
As an improvement of the utility model, the both ends of stirrup are equipped with external screw thread formation connecting portion, be equipped with the through-hole that lets connecting portion run through on the floor, the upper surface of floor is equipped with logical long steel sheet to the position that corresponds the through-hole, be equipped with on this logical long steel sheet with the trompil that the through-hole was adjusted well, connecting portion pass through-hole and trompil in proper order and twist there is the nut. The shear resistance can be effectively improved, and the large-span beam body with the enlarged section forms a whole.
As an improvement of the utility model, two adjacent through long steel plates are connected through the batten plate, form a body structure, and structural strength is big.
As an improvement of the utility model, a sticky steel glue layer is arranged between the through long steel plate and the floor slab.
As an improvement of the utility model, the end part of the waist reinforcing steel bar is implanted with the cylinder that the roof beam body is connected, the connection effect is good.
As an improvement of the utility model, the cylinder with the junction cladding of the roof beam body has the surrounding steel board, should surround the steel board with the I-steel welds mutually, adopts the surrounding steel board to wrap, has a strengthening effect to the roof beam end node to make the nodal connection more accord with the operation requirement of atress, promote the joint strength between the roof beam body and the cylinder.
As an improvement of the present invention, the end of the bottom reinforcement bar runs through the cylinder and the surrounding steel plate, and is screwed with a nut.
As an improvement of the utility model, the cylinder is equipped with the viscose glue film with surrounding the steel sheet.
The utility model has the advantages that: the utility model discloses structural design is ingenious, rationally adds and is equipped with the I-steel, and tensile strength is good to cooperate through end reinforcing bar, waist reinforcing bar and stirrup, effectively promote overall structure intensity, seal simultaneously through the banding steel sheet and make the formation hollow structure in the I-steel, the dead weight problem after the reinforcing of the longspan roof beam that significantly reduces has effectively solved traditional reinforcement technology and has strengthened the big shortcoming of cross-section dead weight and the problem that the tradition glues the steel sheet outward and leads to the super muscle easily.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the middle beam body of the present invention.
Fig. 2 is a schematic structural view of the junction between the middle beam and the column of the present invention.
Detailed Description
Referring to fig. 1 and 2, the large-span beam reinforcing structure provided by this embodiment includes a beam body 1, a reinforced concrete layer 2 coated on the beam body 1, and an i-beam 3, a sealing steel plate 4, a bottom steel bar 5, a waist steel bar 6, and a stirrup 7 embedded in the reinforced concrete layer 2, where the i-beam 3 is disposed on the bottom surface of the beam body 1 through an anchor bolt 10, cavities are disposed on two sides of the i-beam 3, the sealing steel plate 4 is sealed on an opening of the cavity to form a hollow structure 8, the bottom steel bar 5 is located below the i-beam 3, the waist steel bar 6 is located on two sides of the beam body 1 and the i-beam 3, the stirrup 7 hoops the waist steel bar 6 and the bottom steel bar 5, and two ends of the stirrup 7 extend upwards symmetrically and connect to a floor slab 9.
Specifically, during construction, the beam body 1 is unloaded firstly, and the interface of the surface of the beam body 1 is chiseled after the unloading, wherein the chiseling is required to meet the requirement of concrete structure reinforcing construction specifications. And after roughening, newly adding an I-shaped steel 3 on the bottom surface of the beam body 1, wherein the I-shaped steel 3 is connected with the beam body 1 through an anchor bolt 10, and the anchor bolt 10 is preferably a shear-resistant anchor bolt. The anchor bolts 10 are used for forming a whole with the beam body 1, the anchor bolts 10 are used for resisting shearing damage of the cross section, then the edge sealing steel plates 4 are welded, the edge sealing steel plates 4 mainly enable the cavity of the I-shaped steel 3 to form a hollow structure 8, dead weight of the enlarged cross section of concrete can be effectively reduced, the enlarged height of the I-shaped steel 3 is controlled on the tensile cross section of the concrete, and tensile capacity of the beam bottom is effectively improved. And the gap between the I-shaped steel 3 and the beam body 1 is subjected to pouring treatment by adopting steel adhesive, so that the connecting capacity of the section is enhanced.
The cylinder 11 with the junction cladding of the roof beam body 1 has and surrounds steel sheet 12, and the inside structural adhesive that pours into, should surround steel sheet 12 with I-steel 3 welds mutually, and this problem that just can handle the end connection of node is adopted and is surrounded the whole parcel of steel sheet 12, has a reinforcing effect to the roof beam end node to make the nodal connection more accord with the operation requirement of atress, promote the joint strength between the roof beam body 1 and the cylinder 11.
After the I-steel 3 is installed, newly-increased bottom steel bars 5 and waist steel bars 6 can be added, the waist steel bars 6 are implanted into the column body 11, the concrete positions of the implanted steel bars are firstly determined, marks are made, then the impact drill is adopted for drilling, the diameter of a drill bit is about 5mm larger than that of the waist steel bars 6, holes are cleared after drilling, then the implanted steel bar glue is adopted for injecting glue into the holes to reach 80%, the steel bars are immediately implanted after the glue is fully injected into the holes, and the steel bars cannot be vibrated after the implanted steel bar 6 is implanted.
At the column body 11, the bottom steel bar 5 penetrates through the surrounding steel plate 12 to plant a penetrating column, the end part of the bottom steel bar 5 is externally threaded, and the outer side of the column body 11 is screwed and fixed by adopting a nut 13; that is, the end of the bottom steel bar 5 penetrates the column 11 and the surrounding steel plate 12, and is screwed with a nut 13.
And after the construction of the bottom steel bars 5 and the waist steel bars 6 is finished, the U-shaped stirrups 7 are additionally arranged, and before the floor slab 9 is penetrated, external threads are firstly arranged at two ends of each stirrup 7 to form a connecting part. A through hole is drilled in the floor slab 9 in advance, a through long steel plate 14 is placed on the upper surface of the floor slab 9, and an opening which is aligned with the through hole is formed in the through long steel plate 14. The connecting parts of the stirrups 7 sequentially penetrate through the through holes and the openings, are screwed with nuts 16 for fixing, the batten plates 15 are placed between two adjacent through-length steel plates 14, and then the batten plates 15 and the through-length steel plates 14 are welded, so that the stirrups 7 are sealed, the shearing resistance can be effectively improved, and the rear beam body 1 with the enlarged cross section forms a whole; the contact surface between the full-length steel plate 14 and the floor slab 9 is poured by steel adhesive, and the full-length steel plate 14 mainly resists the hogging moment of the end part of the beam. And finally, supporting a formwork, pouring concrete on the enlarged section to form the reinforced concrete layer 2, and disassembling the supporting formwork after curing to be put into use.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are used in the description, these terms are used for convenience of description and do not limit the present invention in any way, and it is within the scope of the present invention to use other reinforcing structures that are the same as or similar to the reinforcing structures.
Claims (10)
1. The utility model provides a large-span roof beam reinforced structure, its includes the roof beam body and the reinforced concrete layer of cladding on this roof beam body, its characterized in that, it is still including inlaying I-steel, banding steel sheet, end reinforcing bar, waist reinforcing bar and the stirrup in reinforced concrete layer, the I-steel passes through the crab-bolt setting in the bottom surface of the roof beam body, and the both sides of this I-steel have the cavity, the banding steel sheet seals on the opening of this cavity, makes this cavity form hollow structure, end reinforcing bar is located the below position of I-steel, waist reinforcing bar is located the both sides position of the roof beam body and I-steel, the stirrup is banded with waist reinforcing bar and end reinforcing bar, and the both ends symmetry of this stirrup upwards extends to connect on the floor.
2. The large-span beam reinforcement structure of claim 1, wherein: the surface of the beam body is provided with chisels.
3. The large-span beam reinforcement structure according to claim 1 or 2, characterized in that: and a steel adhesive layer is arranged between the beam body and the I-shaped steel.
4. The large-span beam reinforcement structure of claim 1, wherein: the two ends of the stirrup are provided with external threads to form connecting parts, the floor is provided with a through hole for the connecting parts to penetrate through, the upper surface of the floor is provided with a through steel plate corresponding to the through hole, the through steel plate is provided with a hole aligned with the through hole, and the connecting parts sequentially penetrate through the through hole and the hole and are screwed with nuts.
5. The large-span beam reinforcement structure of claim 4, wherein: two adjacent through steel plates are connected through a batten plate.
6. The large-span beam reinforcement structure of claim 4, wherein: and a steel adhesive layer is arranged between the through steel plate and the floor slab.
7. The large-span beam reinforcement structure of claim 1, wherein: and a column body connected with the beam body is implanted into the end part of the waist steel bar.
8. The large-span beam reinforcement structure of claim 7, wherein: and a surrounding steel plate is coated at the joint of the column body and the beam body, and the surrounding steel plate is welded with the I-shaped steel.
9. The large-span beam reinforcement structure of claim 8, wherein: the end part of the bottom steel bar penetrates through the column body and the surrounding steel plate, and a nut is screwed on the end part of the bottom steel bar.
10. The large-span beam reinforcement structure of claim 8, wherein: and the cylinder and the surrounding steel plate are provided with a bonded steel glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324125.0U CN211974449U (en) | 2020-03-16 | 2020-03-16 | Large-span beam reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324125.0U CN211974449U (en) | 2020-03-16 | 2020-03-16 | Large-span beam reinforcing structure |
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| CN211974449U true CN211974449U (en) | 2020-11-20 |
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| CN202020324125.0U Active CN211974449U (en) | 2020-03-16 | 2020-03-16 | Large-span beam reinforcing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554593A (en) * | 2020-11-30 | 2021-03-26 | 广东中青建筑科技有限公司 | Beam reinforcing and mold hanging device and construction method thereof |
| CN113482396A (en) * | 2021-06-30 | 2021-10-08 | 上海宝冶集团有限公司 | Static force dismantling construction method for indoor wall |
-
2020
- 2020-03-16 CN CN202020324125.0U patent/CN211974449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554593A (en) * | 2020-11-30 | 2021-03-26 | 广东中青建筑科技有限公司 | Beam reinforcing and mold hanging device and construction method thereof |
| CN113482396A (en) * | 2021-06-30 | 2021-10-08 | 上海宝冶集团有限公司 | Static force dismantling construction method for indoor wall |
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