CN217175891U - Existing reinforced concrete roof beam and newly-increased girder steel connection structure - Google Patents
Existing reinforced concrete roof beam and newly-increased girder steel connection structure Download PDFInfo
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- CN217175891U CN217175891U CN202123438733.8U CN202123438733U CN217175891U CN 217175891 U CN217175891 U CN 217175891U CN 202123438733 U CN202123438733 U CN 202123438733U CN 217175891 U CN217175891 U CN 217175891U
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Abstract
The utility model relates to an existing reinforced concrete roof beam and newly-increased girder steel connection structure, relate to the reinforced and fixed field of concrete structure, it is used for setting up on horizontally concrete beam, the fixed horizontally floor that is provided with in concrete beam top, including the girder steel, the first reinforcing bar of steel sheet and a plurality of, the equal vertical wearing to establish on the floor of the first reinforcing bar of a plurality of, first reinforcing bar and floor fixed connection, and the first reinforcing bar downwardly extending of a plurality of both sides of concrete beam, the steel sheet encloses the both sides and the below of establishing at the concrete beam, and steel sheet and first reinforcing bar fixed connection, the girder steel level sets up in concrete beam one side, and the length direction of girder steel is perpendicular with the length direction of concrete beam, the girder steel is close to the one end and the steel sheet fixed connection of concrete beam. The application realizes the reinforcement of the concrete structure with lower concrete strength grade.
Description
Technical Field
The application relates to the field of concrete structure reinforcement, in particular to an existing reinforced concrete beam and newly-added steel beam connecting structure.
Background
At present, in the process of repairing and maintaining many houses with long construction time, reinforcement and modification of concrete beams are needed.
Anchor bolt technology is often used for common concrete building reinforcement, but anchor bolt technology is only suitable for the transformation, the reinforcement of the concrete load-bearing structure that concrete strength grade is C20 to C60, and when anchor bolt technology is used in the concrete structure that concrete strength grade is lower, the setting of anchor bolt can not be supported to original concrete structure, therefore anchor bolt technology is not suitable for reinforcing the concrete structure that has seriously weathered and the concrete structure that concrete strength grade is lower.
SUMMERY OF THE UTILITY MODEL
In order to consolidate the lower concrete structure of concrete strength level, this application provides an existing reinforced concrete roof beam and newly-increased girder steel connection structure.
The application provides a pair of existing reinforced concrete roof beam and newly-increased girder steel connection structure adopts following technical scheme:
the utility model provides an existing reinforced concrete roof beam and newly-increased girder steel connection structure, a be used for setting up on horizontally concrete beam, the fixed horizontally floor that is provided with in concrete beam top, including the girder steel, the first reinforcing bar of steel sheet and a plurality of, the equal vertical wearing to establish on the floor of the first reinforcing bar of a plurality of, first reinforcing bar and floor fixed connection, and the first reinforcing bar downwardly extending of a plurality of to the concrete beam both sides, the both sides and the below at the concrete beam are enclosed to the steel sheet, and steel sheet and first reinforcing bar fixed connection, the girder steel level sets up in concrete beam one side, and the length direction of girder steel is perpendicular with the length direction of concrete beam, the girder steel is close to the one end and the steel sheet fixed connection of concrete beam.
Through adopting above-mentioned technical scheme, when consolidating the support to concrete structure, the reinforcing bar is fixed with the floor to the reinforcing bar will enclose to establish and hoist and mount fixedly at the steel sheet of concrete beam both sides and below, then with the one end and the steel sheet fixed connection of girder steel, it is fixed to have realized the hoist and mount of reinforcing bar to the girder steel, thereby need not use the crab-bolt technique to consolidate concrete structure, has realized the reinforcement to the lower concrete structure of concrete strength grade.
Optionally, the top end of the first steel bar is provided with threads, the top end of the first steel bar is provided with a nut, the nut is in threaded connection with the first steel bar, a mounting plate is arranged between the nut and the floor slab, and the first steel bar is arranged on the mounting plate in a penetrating mode.
Through adopting above-mentioned technical scheme, at the in-process fixed to the girder steel, the reinforcing bar has carried out hoist and mount fixed to overall structure, thereby the fixed knot on reinforcing bar top constructs and plays important bearing effect, through the setting of mounting panel, mounting panel and floor top surface butt, make the reinforcing bar top can fix on floor top surface, the setting of mounting panel has increased the bearing atress area of newly-increased girder steel integral connection structure, thereby reduced the damage of newly-increased girder steel to original concrete structure, be convenient for consolidate the lower concrete structure of concrete strength grade.
Optionally, the first steel bar is welded to the steel plate, and the length of the welded first steel bar and the length of the welded steel plate are greater than 200 mm.
Through adopting above-mentioned technical scheme, first reinforcing bar and steel sheet welded fastening set up to be greater than 200mm through the welding length with first reinforcing bar and steel sheet, have strengthened the steadiness of being connected between steel sheet and the first reinforcing bar to the steadiness of fixing the girder steel has been guaranteed.
Optionally, the joint of the first steel bar and the floor slab is filled with high-strength non-shrinkage grouting material or adhesive.
Through adopting above-mentioned technical scheme, through the setting of the shrink grout material or adhesive of nothing of excelling in for fill the gap with junction between reinforcing bar and the floor, reduced the part that the reinforcing bar exposes in the air, and reduced the reinforcing bar and taken place the possibility of oxidation corrosion, thereby prolonged newly-increased girder steel connection structure's life, strengthened the steadiness fixed to the reinforcing bar simultaneously, be convenient for consolidate the lower concrete structure of concrete strength grade.
Optionally, a stiffening rib is fixedly arranged below the steel beam, the top end of the stiffening rib is fixedly connected with the steel beam, and one side of the stiffening rib is fixedly connected with the steel plate.
Through adopting above-mentioned technical scheme, through the setting of stiffening rib, stiffening rib has played the supporting role to the girder steel, has further promoted the steadiness that newly-increased girder steel connection structure is fixed to the girder steel.
Optionally, a plurality of second reinforcing bars are vertically worn to be equipped with on the floor of girder steel top, a plurality of second reinforcing bar all with floor fixed connection, on the girder steel was worn to locate to second reinforcing bar bottom, and the second reinforcing bar bottom was provided with the screw thread, and second reinforcing bar bottom also is provided with the nut, the nut and the second reinforcing bar threaded connection of second reinforcing bar bottom, the nut and the inseparable butt of girder steel of second reinforcing bar bottom.
Through adopting above-mentioned technical scheme, second reinforcing bar and floor fixed connection, second reinforcing bar bottom and girder steel are connected, through the setting of second reinforcing bar for the second reinforcing bar has played further fixed action to the girder steel, has promoted the steadiness fixed to newly-increased girder steel, is convenient for consolidate the lower concrete structure of concrete strength level simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
through the arrangement of the first steel bars and the steel plates, the steel bars are hoisted and fixed to the steel beams, so that the concrete structure is reinforced without using an anchor bolt technology, and the concrete structure with lower concrete strength grade is reinforced;
the mounting plate is abutted against the top surface of the floor slab, so that the top end of the steel bar can be fixed on the top surface of the floor slab, and the bearing stress area of the integral connecting structure of the newly added steel beam is increased by the mounting plate, so that the damage of the newly added steel beam to the original concrete structure is reduced, and the concrete structure with lower concrete strength grade is conveniently reinforced;
through the setting of no shrink grout material of excelling in or adhesive for fill the gap with junction between reinforcing bar and the floor, reduced the part that the reinforcing bar exposes in the air, and reduced the reinforcing bar and taken place the possibility of oxidation corrosion, thereby prolonged newly-increased girder steel connection structure's life, strengthened the steadiness fixed to the reinforcing bar simultaneously, be convenient for consolidate the lower concrete structure of concrete strength grade.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;
fig. 2 is a cross-sectional view of the present application, example 1, intended to show a first reinforcing bar;
FIG. 3 is a schematic structural view of embodiment 2 of the present application;
fig. 4 is a cross-sectional view of the present application, example 2, intended to show a second reinforcing bar.
Description of reference numerals: 1. a concrete beam; 11. a floor slab; 2. a first reinforcing bar; 21. mounting a plate; 22. a nut; 3. a steel plate; 4. a steel beam; 41. a stiffening rib; 5. and a second reinforcing bar.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses existing reinforced concrete roof beam and newly-increased girder steel connection structure.
Example 1:
referring to fig. 1 and 2, an existing reinforced concrete beam and newly-added steel beam connection structure is used for being arranged on a horizontal concrete beam 1, and a horizontal floor 11 is fixedly arranged at the top end of the concrete beam 1. The utility model provides an existing reinforced concrete roof beam and newly-increased girder steel connection structure includes girder steel 4, steel sheet 3 and the first reinforcing bar of a plurality of 2, first reinforcing bar 2 and 11 fixed connection of floor, and first reinforcing bar 2 is used for the fixed of steel sheet 3, and girder steel 4 sets up in one side of concrete roof beam 1, and steel sheet 3 is used for the fixed of girder steel 4.
Referring to fig. 2, the vertical wear-out of 2 first reinforcing bars of a plurality of is established on floor 11, and the gap between 2 first reinforcing bars and the floor 11 adopts the adhesive to fill, and 2 downwardly extending of a plurality of first reinforcing bars to 1 both sides of concrete beam, and steel sheet 3 encloses and establishes in 1 both sides of concrete beam and below, and 3 outer walls of steel sheet and the welding of 2 lower extremes of first reinforcing bar, and first reinforcing bar 2 is greater than 200mm with 3 welded length of steel sheet.
During the use, enclose steel sheet 3 and establish at 1 outer wall of concrete beam, then along vertical direction at the floor 11 drilling a plurality of holes that are located 1 both sides department of concrete beam, and penetrate downthehole with first reinforcing bar 2, make 2 lower extremes of first reinforcing bar be located 1 both sides of concrete beam, and with 2 lower extremes of first reinforcing bar and 3 welding of steel sheet, then to downthehole filling adhesive, make the gap between floor 11 and the first reinforcing bar 2 filled, and play fixed action to first reinforcing bar 2.
Referring to fig. 1 and 2, be provided with the screw thread on the outer wall on 2 tops of first reinforcing bar, and 2 tops of first reinforcing bar are provided with nut 22, nut 22 and 2 threaded connection of first reinforcing bar, are provided with mounting panel 21 between nut 22 and the floor 11, and mounting panel 21 sets up along the length direction of girder steel 4, and 2 tops of first reinforcing bar wear to locate on mounting panel 21, and with the inseparable butt of mounting panel 21 top surface.
During the use, first reinforcing bar 2 is vertical to be worn to establish on floor 11, trompil on the corresponding position of mounting panel 21, then penetrate first reinforcing bar 2 in the hole of seting up on the mounting panel 21 to place mounting panel 21 in floor 11 top, mounting panel 21 and floor 11 butt, then establish nut 22 cover on first reinforcing bar 2 top, and twist nut 22, make nut 22 and mounting panel 21 one side support tightly, the mounting panel 21 opposite side supports tightly with floor 11 simultaneously.
Referring to fig. 1 and 2, girder steel 4 is the I-steel, and girder steel 4 level sets up, and the length direction of girder steel 4 is perpendicular with concrete beam 1's length direction, 4 upsides of girder steel and floor 11 butt, and girder steel 4 is close to concrete beam 1's one end and steel sheet 3 welding, and girder steel 4 below is fixed and is provided with stiffening rib 41 that is triangle-shaped, and the right-angle side on stiffening rib 41 top and girder steel 4 welding, another right-angle side and the steel sheet 3 welding of stiffening rib 41. During the use, with girder steel 4 level setting to with 4 one ends of girder steel and 3 outer wall welding of steel sheet, weld stiffening rib 41 below girder steel 4 again, thereby play further supporting role to girder steel 4.
The implementation principle of the existing reinforced concrete beam and newly-added steel beam connection structure of the embodiment of the application is as follows: during the use, at first, follow vertical direction drilling on floor 11 to enclose steel sheet 3 and establish in the both sides and the below of concrete beam 1, then penetrate first reinforcing bar 2 in the hole that floor 11 seted up, fill adhesive in downthehole gap, weld first reinforcing bar 2 and steel sheet 3, then set up mounting panel 21 on first reinforcing bar 2 top, and use nut 22 to fasten mounting panel 21, again with girder steel 4 one end and steel sheet 3 welding, and weld stiffening rib 41 below girder steel 4, thereby realized the reinforcement to the concrete structure that the concrete intensity grade is lower.
Example 2:
referring to fig. 3 and 4, the embodiment is different from embodiment 1 in that a plurality of second steel bars 5 vertically penetrate through a floor 11 above a steel beam 4, the plurality of second steel bars 5 are symmetrically arranged on two sides of the steel beam 4, an adhesive is filled in a gap between each second steel bar 5 and the floor 11, the bottom ends of the second steel bars 5 penetrate through a top plate of the steel beam 4, threads are arranged on outer walls of the top ends and the bottom ends of the second steel bars 5, nuts 22 are arranged on the top ends and the bottom ends of the second steel bars 5, and the nuts 22 on the second steel bars 5 are in threaded connection with the second steel bars 5; also be provided with mounting panel 21 between the nut 22 on 5 tops of second reinforcing bar and floor 11, on 5 tops of second reinforcing bar were worn to establish on the mounting panel 21 on 5 tops of second reinforcing bar by second reinforcing bar 5, the nut 22 on 5 tops of second reinforcing bar closely abutted with the mounting panel 21 on 5 tops of second reinforcing bar, the nut 22 and the roof bottom surface of girder steel 4 closely abutted of 5 bottoms of second reinforcing bar.
During the use, drill hole on the corresponding position of floor 11, mounting panel 21 and girder steel 4 to it is downthehole that corresponds with second reinforcing bar 5 vertical penetrating floor 11 and girder steel 4, and place mounting panel 21 on 5 tops of second reinforcing bar, and fill the space between floor 11 and the second reinforcing bar 5 with the adhesive, simultaneously at 5 tops of second reinforcing bar and bottom cover establish nut 22, and twist nut 22 and fix second reinforcing bar 5.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides an existing reinforced concrete roof beam and newly-increased girder steel connection structure for the setting is on horizontally concrete beam (1), and concrete beam (1) top is fixed to be provided with horizontally floor (11), its characterized in that: including girder steel (4), steel sheet (3) and the first reinforcing bar of a plurality of (2), the equal vertical wearing to establish on floor (11) of a plurality of first reinforcing bar (2), first reinforcing bar (2) and floor (11) fixed connection, and the first reinforcing bar of a plurality of (2) downwardly extending to concrete beam (1) both sides, both sides and the below of establishing in concrete beam (1) are enclosed in steel sheet (3), and steel sheet (3) and first reinforcing bar (2) fixed connection, girder steel (4) level sets up in concrete beam (1) one side, and the length direction of girder steel (4) is perpendicular with the length direction of concrete beam (1), girder steel (4) are close to the one end and steel sheet (3) fixed connection of concrete beam (1).
2. The existing reinforced concrete beam and newly-added steel beam connecting structure according to claim 1, wherein: first reinforcing bar (2) top is provided with the screw thread, and first reinforcing bar (2) top is provided with nut (22), nut (22) and first reinforcing bar (2) threaded connection are provided with mounting panel (21) between nut (22) and floor (11), and first reinforcing bar (2) are worn to establish on mounting panel (21).
3. The existing reinforced concrete beam and newly-added steel beam connecting structure according to claim 1, wherein: first reinforcing bar (2) and steel sheet (3) welding, and first reinforcing bar (2) and steel sheet (3) welded length are greater than 200 mm.
4. The existing reinforced concrete beam and newly-added steel beam connecting structure according to claim 1, wherein: the joint of the first steel bar (2) and the floor slab (11) is filled with high-strength non-shrinkage grouting material or adhesive.
5. The existing reinforced concrete beam and newly-added steel beam connecting structure according to claim 1, wherein: and a stiffening rib (41) is fixedly arranged below the steel beam (4), the top end of the stiffening rib (41) is fixedly connected with the steel beam (4), and one side of the stiffening rib (41) is fixedly connected with the steel plate (3).
6. The existing reinforced concrete beam and newly-added steel beam connecting structure according to claim 2, wherein: girder steel (4) top floor (11) go up the vertical a plurality of second reinforcing bar (5) of wearing to be equipped with, a plurality of second reinforcing bar (5) all with floor (11) fixed connection, second reinforcing bar (5) bottom is worn to locate on girder steel (4), and second reinforcing bar (5) bottom is provided with the screw thread, second reinforcing bar (5) bottom also is provided with nut (22), nut (22) and second reinforcing bar (5) threaded connection of second reinforcing bar (5) bottom, nut (22) and girder steel (4) inseparable butt of second reinforcing bar (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123438733.8U CN217175891U (en) | 2021-12-30 | 2021-12-30 | Existing reinforced concrete roof beam and newly-increased girder steel connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123438733.8U CN217175891U (en) | 2021-12-30 | 2021-12-30 | Existing reinforced concrete roof beam and newly-increased girder steel connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217175891U true CN217175891U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123438733.8U Active CN217175891U (en) | 2021-12-30 | 2021-12-30 | Existing reinforced concrete roof beam and newly-increased girder steel connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217175891U (en) |
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2021
- 2021-12-30 CN CN202123438733.8U patent/CN217175891U/en active Active
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