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CN-122014024-A - Assembled building reinforced structure

CN122014024ACN 122014024 ACN122014024 ACN 122014024ACN-122014024-A

Abstract

The invention belongs to the technical field of building construction, and particularly relates to an assembled building overhanging balcony reinforcing structure which comprises a reinforcing base frame, an external reinforcing component, an internal reinforcing component and a string link rod, wherein the reinforcing base frame is composed of an upper clamping device, a lower clamping device and a vertical reinforcing column, the upper and lower cross beams of a building main body are respectively clamped and embedded in an outer wall, the external reinforcing component comprises a longitudinal rod, an outer cross rod, a diagonal rod and an inner cross rod, the outer cross rod is arranged at the lower edge of the outer side of a balcony, the longitudinal rod is embedded in the bottom surface of the balcony, the diagonal rod is connected with the outer cross rod and the vertical reinforcing column, the internal reinforcing component comprises an inner pull rod and an anchor rod, the anchor rod is fixed on the floor of the balcony, the inner pull rod is connected with the anchor rod and the vertical reinforcing column or the indoor floor, and the string link rod is communicated with the external reinforcing component up and down. The reinforcement structure can be arranged in a fully hidden way, all the components form an integrated stress system, the anti-overturning capacity of the overhanging balcony is greatly improved, the load is effectively transferred to the main body cross beam, the stress of the outer wall is reduced, the installation is quick, the period is short, and the assembly type building is adapted to quick construction.

Inventors

  • XUE WEI
  • LI HENG

Assignees

  • 北京弘石嘉业建筑设计有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. An assembled building reinforced structure for reinforcing a overhanging balcony (2) on a building main body (1) is characterized by comprising: the reinforced base frame (4) comprises an upper clamping device (41), a lower clamping device (43) and a vertical reinforcing column (42), wherein the upper clamping device (41) is clamped on an upper cross beam (11) of the building main body (1), the lower clamping device (43) is clamped on a lower cross beam (13) of the building main body (1), and the vertical reinforcing column (42) is connected between the upper clamping device (41) and the lower clamping device (43) and is buried in an outer wall (12) of the building main body (1); The outer reinforcement assembly (3) comprises a longitudinal rod (33), an outer cross rod (32), diagonal rods (31) and an inner cross rod (34), wherein the outer cross rod (32) is arranged at the lower edge of the outer side of the overhanging balcony (2), the inner cross rod (34) is fixed on the outer side face of the outer wall (12), a plurality of longitudinal rods (33) are connected between the outer cross rod (32) and the inner cross rod (34), the longitudinal rods (33) are buried on the lower bottom face of the overhanging balcony (2), the diagonal rods (31) are connected to two ends of the outer cross rod (32), and the other ends of the two diagonal rods (31) penetrate through the outer wall (12) to be connected with different vertical reinforcement columns (42); The inner reinforcement assembly (5) comprises an inner pull rod (52) and an anchor rod (53), wherein the anchor rod (53) is fixed in a balcony floor (23) of the overhanging balcony (2), one end of the inner pull rod (52) is connected with the anchor rod (53), and the other end of the inner pull rod is connected with a vertical reinforcing column (42) or the indoor ground of the building main body (1); The serial link rod (6) is arranged in a balcony floor (23) of the overhanging balcony (2), the lower end of the serial link rod (6) is connected with the external reinforcing component (3), and the upper end of the serial link rod is connected with the external reinforcing component (3).
  2. 2. The prefabricated building reinforcing structure according to claim 1, wherein the upper clamping device (41) comprises an inner clamping plate (411), an outer clamping plate (412) and a through bolt (413), the inner clamping plate (411) is Z-shaped, the upper end of the inner clamping plate (411) abuts against the inner vertical surface of the upper cross beam (11), the lower end of the inner clamping plate abuts against the inner vertical surface of the outer wall (12), the upper end of the outer clamping plate (412) abuts against the outer vertical surface of the upper cross beam (11), the lower end of the outer clamping plate abuts against the outer vertical surface of the outer wall (12), and the through bolt (413) penetrates through the outer wall (12) and connects the inner clamping plate (411) and the outer clamping plate (412) to be tensioned.
  3. 3. The fabricated building reinforcing structure according to claim 2, wherein the lower clamp (43) is identical in structure to the upper clamp (41).
  4. 4. The fabricated building reinforcing structure according to claim 2, wherein the vertical reinforcing column (42) adopts channel steel, the notch of the channel steel faces the outer wall (12), stress pull seats (421) are respectively fixed at the upper end and the lower end of the groove of the vertical reinforcing column (42), a stress pull rod (422) is connected between the two stress pull seats (421), and when the fabricated building reinforcing structure is in use, the stress pull rod (422) is in a tensioning state, so that the middle part of the vertical reinforcing column (42) generates prestress towards a room.
  5. 5. The prefabricated building reinforcing structure according to claim 4, wherein connecting pieces (44) are arranged at the joints of the vertical reinforcing columns (42) with the upper clamping devices (41) and the lower clamping devices (43), one ends of the connecting pieces (44) extend into grooves of the vertical reinforcing columns (42) and are fixed through bolts, and the other ends of the connecting pieces extend to the outer sides of the inner clamping plates (411) and are fixedly connected with the inner clamping plates (411) through bolts.
  6. 6. The fabricated building reinforcing structure according to claim 1, wherein the diagonal draw bar (31) is buried in the side guard rail (21) of the overhanging balcony (2), and the portion of the diagonal draw bar (31) located outside the outer wall (12) is always lower than the upper edge of the side guard rail (21).
  7. 7. The prefabricated building reinforcing structure according to any one of claims 1 to 6, wherein a prestress bar (7) is provided above the longitudinal bar (33), both ends of the prestress bar (7) are fixed on the longitudinal bar (33), and a middle part of the prestress bar (7) has an upwardly arched stress.
  8. 8. The prefabricated building reinforcing structure according to claim 7, wherein two radial protrusions (62) facing opposite directions are arranged at the lower part of the serial rod (6), the thicknesses of the two radial protrusions (62) with the plane parts (61) at the distal ends of the radial protrusions (62) are the same as the thicknesses of the prestress bars (7) and the longitudinal rods (33), the two radial protrusions (62) can extend into rectangular holes on the prestress bars (7) and the longitudinal rods (33), respectively, and when the serial rod (6) rotates, opposite forces are applied to the prestress bars (7) and the longitudinal rods (33) through the two radial protrusions (62), respectively.
  9. 9. The fabricated building reinforcing structure according to claim 8, wherein the upper and lower ends of the series bar (6) are externally threaded to facilitate the connection of nuts and the fixation of the longitudinal bar (33) to the inner tie bar (52).
  10. 10. The fabricated building reinforcing structure according to claim 7 or 8, wherein when the other end of the inner pull rod (52) is connected with the vertical reinforcing columns (42), a transverse seat rod (54) is connected between the lower ends of the two vertical reinforcing columns (42), and the inner pull rod (52) is fixedly connected with the transverse seat rod (54) through bolts; when the other end of the inner pull rod (52) is connected with the indoor ground of the building main body (1), the embedded net rack (51) is buried under the ground of the building main body (1), the embedded net rack (51) is fixed through expansion screws, and the inner pull rod (52) is fixedly connected with the embedded net rack (51) through bolts.

Description

Assembled building reinforced structure Technical Field The invention belongs to the technical field of building construction, and particularly relates to an assembled building reinforcing structure. Background Fabricated building is an important development direction for transformation and upgrading of modern building industry. The overhanging balcony of the assembled building is formed by connecting precast concrete balcony boards with joints such as main beams, columns and wallboards of the building, and the structural rigidity, bearing safety and long-term service performance of the overhanging balcony are directly related to the integral use safety of the building. Under the action of dead weight, live load, wind load and earthquake, the overhanging balcony has larger bending moment and shearing force at the overhanging root part, and the problems of concrete cracking, continuous expansion of cracks, continuous increase of deflection and the like can occur. The traditional structural form depends on the strength of the node, lacks external reinforcement and stress regulation means, is difficult to self-heal after cracking, and seriously influences the structural durability and living safety. The reinforcing components such as the conventional steel supports, the pull rods and the brackets are exposed to the outer vertical surface of the building or the bottom of the balcony, so that the uniformity and the attractiveness of the appearance of the building are affected, the reinforcing components are exposed to severe environments such as sun exposure, rain exposure and temperature difference for a long time, the problems of corrosion, aging, loosening and falling easily occur, the later maintenance cost is high, and the normal use interference of a resident in the maintenance process is large. The method of site formwork support and pouring again is adopted, so that the construction process is complex, the period is long, the noise and dust pollution is large, and the method is difficult to be suitable for synchronous reinforcement of the existing building reconstruction and new building. In order to solve the defects of large appearance damage, low construction efficiency and the like in the prior assembled overhanging balcony reinforcing technology, it is necessary to design a reinforcing structure suitable for an assembled building. Disclosure of Invention In order to solve the problems in the prior art, the scheme provides an assembled building reinforcing structure. The technical scheme adopted by the invention is as follows: an assembled building reinforced structure for the reinforcement of overhanging balcony on the building main part includes: The reinforced base frame comprises an upper clamping device, a lower clamping device and a vertical reinforcing column, wherein the upper clamping device is clamped on an upper beam of a building main body; The outer reinforcement assembly comprises a longitudinal rod, an outer cross rod, diagonal rods and an inner cross rod, wherein the outer cross rod is arranged at the lower edge of the outer side of the overhanging balcony, and the inner cross rod is fixed on the outer side face of the outer wall; The inner reinforcement assembly comprises an inner pull rod and an anchor rod, wherein the anchor rod is fixed in a balcony floor of the overhanging balcony; the serial link rod is arranged in the balcony floor of the overhanging balcony, the lower end of the serial link rod is connected with the external fixing component, and the upper end of the serial link rod is connected with the external fixing component. The upper clamping device comprises an inner clamping plate, an outer clamping plate and a through bolt, wherein the inner clamping plate is Z-shaped, the upper end of the inner clamping plate is propped against the inner vertical surface of the upper cross beam, the lower end of the inner clamping plate is propped against the inner vertical surface of the outer wall, the upper end of the outer clamping plate is propped against the outer vertical surface of the upper cross beam, the lower end of the outer clamping plate is propped against the outer vertical surface of the outer wall, and the through bolt penetrates through the outer wall and is connected with the inner clamping plate and the outer clamping plate to be tensioned. Optionally, the lower clamp and the upper clamp have the same structure. The vertical reinforcing column is a channel steel, the notch of the vertical reinforcing column faces the outer wall, stress pull seats are respectively fixed at the upper end and the lower end of a groove of the vertical reinforcing column, a stress pull rod is connected between the two stress pull seats, and when the vertical reinforcing column is used, the stress pull rod is in a tensioning state, so that the middle part of the vertical reinforcing column generates prestress facing the indoor. Optionally, connecting pieces are arranged at the joints