CN217998500U - Seismic isolation reinforced wall - Google Patents

Abstract

The utility model discloses a shock insulation reinforced wall, including the wall body, wall body lower part two sides correspondence is equipped with horizontal reinforced concrete joist, and through the even roof beam drawknot of a plurality of reinforced concrete that pass the wall body between the reinforced concrete joist on wall body two sides, the reinforced concrete joist top on wall body two sides all is equipped with the steel sheet frame all around along the wall body, leave predetermined horizontal gap between horizontal frame of steel sheet frame lower part and the reinforced concrete joist, through between the steel sheet frame on wall body two sides to stay bolt and wall body anchor. The utility model discloses a steel sheet frame and reinforced concrete joist, reinforced concrete are roof beam to the restraint of brick wall even, increase the wholeness of wall body for the repairability in house improves widely after the shake, the utility model discloses only need plaster to the brick wall of steel sheet frame department during the construction and carry out local shovel, then paint polymer mortar or structural adhesive bonding material and make level, install the steel sheet frame at last, intervene too big to the whole in house when avoiding consolidating.

Description

Seismic isolation reinforced wall

Technical Field

The utility model relates to a building wall, concretely relates to shock insulation reinforced wall.

Background

The brick wall is built by bricks and bonding materials, and the common bonding materials are common mixed mortar or cement mortar. The brick wall has poor integrity and shows obvious brittleness. As the main vertical bearing component in a brick masonry structure house, the brick wall is usually required to be subjected to seismic reinforcement in the later house transformation process due to the reasons of lower early construction standard, deteriorated material performance, improved current design standard, poor integrity and the like.

The existing seismic reinforcement method for brick walls mainly comprises a reinforced concrete surface course reinforcement method, a reinforcing mesh cement mortar surface course reinforcement method, a fiber composite material pasting reinforcement method, a steel wire mesh-polymer modified cement mortar surface course reinforcement method and the like. The anti-seismic reinforcing methods have certain limitations, the reinforcing method involves a large amount of wet operation and has overlarge integral intervention on the house, the requirement on the material strength of a brick wall for reinforcing by adhering the fiber composite material is higher, and the repairability of the house after the earthquake is poor.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a shock insulation reinforced wall solves current antidetonation and consolidates the big problem of intervention in the house.

The technical scheme is as follows: shock insulation reinforced wall, including the wall body, wall body lower part two sides correspondence is equipped with horizontal reinforced concrete joist, through passing a plurality of reinforced concrete link roof beam drawknot of wall body between the reinforced concrete joist on wall body two sides, the reinforced concrete joist top on wall body two sides all is equipped with the steel sheet frame all around along the wall body, leave predetermined horizontal gap between horizontal frame of steel sheet frame lower part and the reinforced concrete joist, through split bolt and wall body anchor between the steel sheet frame on wall body two sides.

Furthermore, the horizontal gap is 10-120 mm, and a weak section is formed on the wall body when the earthquake happens, so that the damage position of the brick wall can be effectively controlled. In a brick masonry structure house, the bottom brick wall has the greatest seismic force and is most easily damaged. When the brick wall is damaged along the set position by a horizontal crack, the brick wall can effectively prevent the earthquake inertia force from transmitting to the upper part, namely, the shock insulation effect is achieved

Furthermore, a bonding layer is arranged between the steel plate frame and the wall body, the thickness of the bonding layer is 5-12 mm, and the purpose is to increase the connection stability of the steel plate frame and the wall body.

Furthermore, the reinforced concrete coupling beams are uniformly arranged along the wall at intervals, the distance between every two adjacent reinforced concrete coupling beams is 1000-1500 mm, the section width of each reinforced concrete coupling beam is 200-250 mm, and the section height of each reinforced concrete coupling beam is 200-250 mm, so that the stability of the reinforced concrete joists is improved, and the wall of the constrained part of each reinforced concrete joists cannot be damaged by compression.

Furthermore, the height of the lower transverse frame of the steel plate frame is 1/15-1/10 of the transverse length of the wall body, and the height of the lower transverse frame is not less than 250mm, so that the bearing capacity of the steel plate frame for restraining the bottom of the wall body part is enhanced, and the steel plate frame is prevented from being damaged.

Further, the thickness of the steel plate frame is 3-15 mm.

Furthermore, rubber supports are installed at intervals along the transverse direction in the wall body corresponding to the flush position of the top of the reinforced concrete joist and the lower portion of the steel plate frame, and the purpose of further improving the energy consumption capacity and the shock insulation effect of the brick wall is achieved.

Has the beneficial effects that: the utility model discloses a steel sheet frame and reinforced concrete joist, reinforced concrete are roof beam even to the restraint of brick wall, increase the wholeness of wall body for the repairability in house improves widely after the shake. The utility model discloses mainly carry out mechanical anchoring through the stay bolt between well steel sheet frame and the brick wall, only need plaster the brick wall of steel sheet frame department during the construction and carry out local shovel and remove, then paint polymer mortar or structural adhesive bonding material and make level, install the steel sheet frame at last, intervene too big to the whole of house when avoiding consolidating.

Drawings

Fig. 1 is an elevation view of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view A-D of FIG. 1;

FIG. 3 is an elevation view of a steel panel frame;

FIG. 4 is a detailed view of the connection between the steel plate and the brick wall;

fig. 5 is an isometric view of the rubber mount.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. It is to be understood that the invention may assume various alternative orientations and step sequences, except where expressly specified to the contrary. It is also to be understood that the specific connection arrangements shown in the drawings and described in the specification are simply exemplary embodiments of the inventive concepts disclosed and defined herein. Thus, specific orientations, directions or other physical characteristics relating to the various embodiments disclosed should not be considered limiting unless expressly stated otherwise.

Referring to fig. 1-5, the utility model discloses a brick wall is consolidated to shock insulation, including steel sheet frame 1, split bolt 2, brick wall 3, reinforced concrete joist 4, reinforced concrete even roof beam 5, rubber support 6, tie coat 7.

A bonding layer 7 is filled between the steel plate frame and the brick wall, the bonding layer can be made of polymer mortar or structural adhesive materials, and the thickness of the bonding layer is 5-12 mm; meanwhile, the steel plate frame 1 and the brick wall 3 are mechanically anchored by the split bolts 2, and the split bolts 2 are common bolts with the diameter of 8-16 mm. The thickness of the steel plate in the steel plate frame 1 is 3-15 mm, the width of the vertical steel plate and the height of the top steel plate are 150-300 mm, and the height of the bottom steel plate is 1/15-1/10 of the transverse length of the brick wall and is not less than 250mm.

The reinforced concrete joist 4 is positioned at the bottom of the steel plate frame 1, a preset horizontal gap is reserved between the transverse frame at the lower part of the steel plate frame 1 and the reinforced concrete joist 4, the horizontal gap meets the requirement that the steel plate frame constraint wall body part and the reinforced concrete joist constraint wall body part can horizontally shift mutually, the gap cannot be too large or too small, the dereferencing range is 10-120 mm, and the preferred dereferencing range is 10-20 mm.

The reinforced concrete joist 4 is a common reinforced concrete joist, the width of the cross section of the joist is 200-250 mm, the height of the joist is 1/15-1/10 of the transverse length of the brick wall, and is not less than 400mm. The reinforced concrete joists 4 are connected through the reinforced concrete connecting beams 5, the distance and the section size of the reinforced concrete connecting beams 5 meet the requirements of the stability of the reinforced concrete joists 4 and the requirement that the wall body of the restrained part of the reinforced concrete joists 4 cannot be damaged by compression, the preferred distance of the reinforced concrete connecting beams 5 is 1000-1500 mm, the section width of the reinforced concrete connecting beams 5 is 200-250 mm, and the section height is 200-250 mm.

The rubber support 6 is approximately and uniformly arranged at the horizontal positions of the bottom of the brick wall 3 and the bottom of the steel plate frame 1 at the top of the reinforced concrete joist 4, the thickness of the rubber support 6 is the same as that of the brick wall 3, the width and the height of the rubber support 6 meet the requirement of the wall body for blocking the earthquake action effect, the preferred width of the rubber support 6 is 200-250 mm, and the height of the rubber support 6 is 200-250 mm and is smaller than the height of the steel plate at the bottom of the steel plate frame 1. In addition, in order to better participate in the work under the normal use condition of the rubber support, the rubber support is arranged to be at a similar compressive stress level with the adjacent horizontal brick masonry; meanwhile, the axial rigidity of the rubber support is close to that of the adjacent brick masonry, and the high compression-resistant bearing capacity is achieved. Only certain treatment measures need to be taken for the bottom layer brick wall in the brick masonry structure house, so that the input of seismic energy is reduced when the brick masonry structure house is subjected to seismic action, and meanwhile, part of energy consumption deformation is transferred to the rubber support at the bottom of the brick wall. In addition, the integrity of the wall body is increased through the restraint of the steel plate frame, the reinforced concrete joists and the reinforced concrete connecting beams on the brick wall, so that the repairability of the earthquake-proof house is greatly improved; the shock insulation energy dissipation component is easy to replace.

The utility model discloses during the construction:

(1) Excavating and exposing a lower brick wall at the elevation of the outdoor terrace of the brick wall at the bottom layer of the brick masonry structure house, cleaning the surface of the brick wall, and simultaneously chiseling the brick wall at the position where the reinforced concrete connecting beam is required to be arranged;

(2) Binding reinforcement cages of the reinforced concrete joists and the reinforced concrete coupling beams, and then pouring concrete;

(3) Cleaning a painting layer at the position of a brick wall where a steel plate frame is required to be installed;

(4) In the brick wall at the top of the reinforced concrete joist, approximately uniformly chiseling the brick wall along the horizontal position, and installing a rubber support in the hole;

(5) When the rubber support is installed, the wall body is unloaded through a jack, so that the installed rubber support has certain pre-compressive stress, the level of the pre-compressive stress is close to that of the adjacent brick masonry, and the level of the pre-compressive stress is provided by a designer after analysis;

(6) Filling and compacting a gap between the rubber support and the brick wall by using polymer mortar;

(7) Coating polymer mortar or structural adhesive bonding materials on the wall surface with a cleaned painting layer, installing a steel plate frame, wherein the vertical distance between the steel plate frame and the concrete joist is 10-20 mm, and mechanically anchoring the steel plate frame and the brick wall through split bolts;

(8) In order to prolong the service life of the steel plate frame, a protective layer is coated on the surface of the steel plate, and meanwhile, the decorative layer on the surface of the reinforced brick wall is comprehensively restored.

The utility model discloses mainly carry out mechanical anchoring through the stay bolt between well steel sheet frame and the brick wall, only need plaster the brick wall of steel sheet frame department during the construction and carry out local shovel and remove, then paint polymer mortar or structural adhesive bonding material and make level, install the steel sheet frame at last. At the moment, the wet workload is relatively small, the steel plate frame can be welded, assembled and installed on site through prefabricated steel plates, the workload is small, the construction is convenient and fast, and the construction period is short. After the steel plate frame and the brick wall are combined through the split bolts, the whole deformation capacity and the bearing capacity of the brick wall are greatly improved, but the lateral rigidity change of the brick wall is very small, and the whole anti-seismic performance can be improved to obtain a good effect.

A horizontal gap is reserved between the steel plate frame and the reinforced concrete joist, and the brick wall is a weak section under the action of an earthquake, so that the damage position of the brick wall can be effectively controlled. In a brick masonry structure house, the seismic force of the bottom brick wall is the greatest and the destruction is most likely to occur. When the brick wall is damaged along a set position by a horizontal crack, the brick wall can effectively prevent the earthquake inertia force from being transmitted to the upper part, namely, the seismic isolation effect is achieved. In addition, a plurality of rubber supports are approximately and uniformly arranged in the reinforced concrete supporting beam top brick wall and the steel plate at the bottom of the steel plate frame, so that the energy consumption capability and the shock insulation effect of the brick wall can be further improved. Here, rubber support, steel sheet frame, split bolt all can assemble and welding installation to the scene after the mill is makeed, and in case still have good repairability after taking place to destroy.

Although the present invention has been described with reference to preferred embodiments, it will be understood by those skilled in the art that the above examples are illustrative only and should not be construed as limiting the present invention. Therefore, various modifications and changes can be made to the present invention within the spirit and scope of the claims, and these modifications and changes will fall within the scope of the claims of the utility model.

Claims (8)

1. The shock insulation reinforced wall comprises a wall body and is characterized in that transverse reinforced concrete joists (4) are correspondingly arranged on two sides of the lower portion of the wall body, the reinforced concrete joists (4) on the two sides of the wall body are connected through a plurality of reinforced concrete connecting beams (5) penetrating through the wall body in a pulling mode, steel plate frames (1) are arranged on the upper portions of the reinforced concrete joists (4) on the two sides of the wall body along the periphery of the wall body, preset horizontal gaps are reserved between the lower transverse frames of the steel plate frames (1) and the reinforced concrete joists (4), and the steel plate frames (1) on the two sides of the wall body are anchored with the wall body through split bolts (2).

2. The seismic isolation reinforced wall of claim 1, wherein the horizontal gap is 10-120 mm.

3. The seismic isolation reinforced wall as claimed in claim 1, wherein an adhesive layer (7) is arranged between the steel plate frame (1) and the wall body, and the thickness of the adhesive layer (7) is 5-12 mm.

4. The seismic isolation reinforced wall as claimed in claim 1, wherein the plurality of reinforced concrete coupling beams (5) are uniformly spaced along the wall body, the distance between adjacent reinforced concrete coupling beams (5) is 1000-1500 mm, the section width of the reinforced concrete coupling beams (5) is 200-250 mm, and the section height is 200-250 mm.

5. The seismic isolation reinforced wall as claimed in claim 1, wherein the height of the lower transverse frame of the steel plate frame (1) is 1/15-1/10 of the transverse length of the wall body, and the height of the lower transverse frame is not less than 250mm.

6. The seismic isolation reinforced wall according to claim 1, wherein the thickness of the steel plate frame (1) is 3-15 mm.

7. The seismic isolation reinforced wall as claimed in claim 1, wherein rubber supports (6) are arranged in the wall body corresponding to the position where the top of the reinforced concrete joist (4) is flush with the lower part of the steel plate frame (1) at intervals along the transverse direction.

8. The seismic isolation reinforced wall as claimed in claim 7, wherein the thickness of the rubber support (6) is the same as that of the wall, the width of the rubber support (6) is 200-250 mm, and the height of the rubber support (6) is 200-250 mm.

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