Old masonry house reinforcing structure using high-ductility concrete and masonry wall
By using high-ductile concrete reinforcement structures in old masonry houses, longitudinal reinforcement and stirrups are set, and concrete is covered on the outside of the longitudinal reinforcement to form side columns and corner columns, the insufficient seismic strength and large space occupation in the existing technology are solved. The problem of this achieves efficient and economical reinforcement effect.
Patent Information
- Application Number
- CN202420861232.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-24
AI Technical Summary
In the prior art, the seismic strength of masonry wall reinforcement is limited, the amount of steel bars is large, and the space is occupied, resulting in high cost and waste of space.
Using a highly ductile concrete reinforced structure, by setting up longitudinal bars and stirrups inside and outside the masonry wall, and covering concrete on the outside of the longitudinal bars, side columns and corner columns are formed, and anchors are penetrated into the brick gap to enhance seismic performance and reduce the amount of steel bars and Space occupancy.
The seismic strength and overall stiffness of masonry walls are improved, the encroachment of indoor and outdoor spaces is reduced, the construction cost and time is reduced, and the reinforcement effect is achieved that saves labor and materials.
Smart Images
Figure CN222295799U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of old house reinforcement, and in particular relates to an old masonry house reinforcement structure and a masonry wall utilizing high-ductility concrete. Background Art
[0002] The existing masonry wall reinforcement technology has the disadvantages of limited effect in improving earthquake resistance, excessive occupation of indoor and outdoor space, and high cost. Summary of the invention
[0003] In view of the above problems, the purpose of the utility model is to provide a reinforcement structure and masonry wall of an old masonry house using high-ductility concrete, which solves the problems of limited improvement in seismic strength, high steel bar usage, and excessive occupation of indoor and outdoor areas in the prior art.
[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model includes:
[0005] A reinforcement structure for an old masonry house using high-ductility concrete, comprising side columns, wherein the side columns comprise two longitudinal bars respectively arranged on the inner side and the outer side of a masonry wall, and further comprising a plurality of stirrups arranged along the axial direction of the longitudinal bars, wherein any stirrup surrounds and connects all the longitudinal bars along the outer periphery of each longitudinal bar and passes through the transverse gaps of vertically adjacent masonry bricks; further comprising corner columns, wherein the corner columns comprise one longitudinal bar respectively arranged on the inner side of a masonry wall corner and three longitudinal bars respectively arranged on the outer side of the masonry wall corner, wherein the three longitudinal bars on the outer side of the masonry wall corner are respectively arranged at the top corner of the masonry wall corner and on the outer sides of two adjacent masonry walls in sequence; further comprising a plurality of stirrups arranged along the axial direction of the longitudinal bars, wherein any stirrup surrounds and connects all the longitudinal bars along the outer periphery of each longitudinal bar and passes through the transverse gaps of vertically adjacent masonry bricks; wherein each longitudinal bar is perpendicular to the horizontal plane and leaves a space between the longitudinal bar and the masonry wall.
[0006] Preferably, each stirrup is connected with at least one anchor, and the anchor penetrates into the vertical gap between horizontally adjacent masonry bricks.
[0007] Preferably, the stirrups are arranged at equal intervals along the axial direction of the longitudinal reinforcement.
[0008] Preferably, the vertical distances between the longitudinal bars and the masonry wall are equidistant.
[0009] Preferably, at least two side columns are provided on a masonry wall, and the side columns are distributed at equal intervals.
[0010] A masonry wall comprises an old masonry house reinforcement structure using high-ductility concrete disclosed in the present application and arranged on the masonry wall, wherein the space between each longitudinal reinforcement and the masonry wall and the outside of the longitudinal reinforcement are coated with concrete.
[0011] Compared with the prior art, the advantages of the utility model are:
[0012] (1) The utility model utilizes high-ductility concrete to reinforce the structure of old masonry houses. When in use, concrete is coated between the longitudinal reinforcement and the masonry wall and on the outside of the longitudinal reinforcement and stirrups, that is, side columns and corner columns are formed on the masonry wall. They only need to be arranged on both sides of the masonry wall to form an earthquake-resistant system together with the wall. The system has strong integrity, reduces the indoor area occupied and the amount of steel bars used, and improves the integrity of the wall. Compared with the traditional masonry reinforcement method, it saves labor, materials and time.
[0013] (2) The utility model utilizes high-ductility concrete to reinforce the structure of an old masonry house, and the anchors are inserted into the vertical gaps between horizontally adjacent masonry bricks to enhance the overall seismic performance of the masonry wall.
[0014] (3) The masonry wall of the utility model enhances the overall rigidity of the original old masonry wall, improves the seismic strength, reduces the occupied internal and external space, and saves labor, materials and time. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:
[0016] Figure 1 This is a schematic diagram of the structure of the side columns in the reinforcement structure of an old masonry house using high-ductility concrete according to the utility model;
[0017] Figure 2 for Figure 1 A top view of
[0018] Figure 3 This is a schematic structural diagram of a corner column in a reinforced structure of an old masonry house using high-ductility concrete according to the utility model.
[0019] Figure 4 for Figure 3 Top view of the .
[0020] The symbols in the figure represent:
[0021] 1-concrete; 2-masonry bricks; 3-longitudinal reinforcement; 4-anchors; 5-stirrups. DETAILED DESCRIPTION
[0022] The utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the utility model.
[0023] It should be noted that the directional terms mentioned in this article, such as "inner cavity", "periphery", "inner wall", etc., are consistent with the specific directions on the paper of the drawings in the specification or the corresponding directions of the space shown in the drawings; all components and equipment in the utility model, unless otherwise specified, are all components and equipment known in the prior art.
[0024] Example 1
[0025] A reinforcement structure for an old masonry house using high-ductility concrete, comprising a side column, the side column comprising two longitudinal bars 3 respectively arranged on the inner and outer sides of a masonry wall 2, and a plurality of stirrups 5 arranged along the axial direction of the longitudinal bars 3, any stirrup 5 surrounds and connects all the longitudinal bars 3 along the outer periphery of each longitudinal bar 3 and passes through the transverse gaps of vertically adjacent masonry bricks; further comprising a corner column, the corner column comprising one longitudinal bar 3 respectively arranged on the inner side of a corner of the masonry wall 2 and three longitudinal bars 3 on the outer side of the corner of the masonry wall 2, the three longitudinal bars 3 on the outer side of the corner of the masonry wall 2 are respectively arranged at the top corner of the corner of the masonry wall 2 and the outer sides of two adjacent masonry walls 2 in sequence; further comprising a plurality of stirrups 5 arranged along the axial direction of the longitudinal bars 3, any stirrup 5 surrounds and connects all the longitudinal bars 3 along the outer periphery of each longitudinal bar 3 and passes through the transverse gaps of vertically adjacent masonry bricks; each longitudinal bar 3 is perpendicular to a horizontal plane and leaves a space between it and the masonry wall 2;
[0026] Its function is: when in use, concrete is coated between the longitudinal reinforcement 3 and the masonry wall 2 and on the outside of the longitudinal reinforcement 3 and the stirrups 5, that is, the side columns and corner columns have been formed on the masonry wall 2. They only need to be set on both sides of the masonry wall 2 to form an earthquake-resistant system together with the wall. It has strong integrity, reduces the encroachment of indoor area and the amount of steel bars used, and improves the integrity of the wall. Compared with traditional masonry reinforcement methods, it saves labor, materials and time.
[0027] Among them, in the specific implementation of this embodiment, it is only necessary to drill holes in the gaps between adjacent masonry bricks of the masonry wall 2 to pass the stirrups 5, which is highly practical and has simple procedures. At the same time, the concrete outer package thickness disclosed in this embodiment is within 50 mm, and less internal and external space is occupied.
[0028] Specifically, each stirrup 5 is connected with at least one anchor 4 , and the anchor 4 penetrates into the vertical gap between horizontally adjacent masonry bricks to enhance the overall seismic performance of the masonry wall 2 .
[0029] In the embodiment disclosed, each stirrup 5 is arranged equidistantly along the axial direction of the longitudinal reinforcement 3, and the vertical distance between each longitudinal reinforcement 3 and the masonry wall 2 is equidistant. At least two side columns are provided on a masonry wall 2, and the side columns are distributed equidistantly.
[0030] Example 2
[0031] A masonry wall includes an old masonry house reinforcement structure using high-ductility concrete as disclosed in Example 1 and arranged on the masonry wall 2. The space between each longitudinal reinforcement 3 and the masonry wall 2 and the outside of the longitudinal reinforcement 3 are coated with concrete, thereby enhancing the overall stiffness of the original old masonry wall 2, improving the seismic strength, reducing the occupied internal and external space, and saving labor, materials and time.
[0032] The concrete disclosed in this embodiment is preferably high ductility concrete, which has good tensile strength, ultimate tensile strain and low fluidity, and can ensure that the formwork is reduced during construction. The thickness of the concrete outer package is within 50mm, and the internal and external space is small.
[0033] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.
[0034] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.
[0035] In addition, the various different implementation modes disclosed in this solution may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the content invented by the present disclosure.
Claims
1. A reinforcement structure for old masonry houses using high ductility concrete, characterized in that: The side column comprises two longitudinal bars (3) respectively arranged on the inner side and the outer side of the masonry wall (2), and also comprises a plurality of stirrups (5) arranged along the axial direction of the longitudinal bars (3), wherein any stirrup (5) surrounds and connects all the longitudinal bars (3) along the outer circumference of each longitudinal bar (3) and passes through the transverse gaps of vertically adjacent masonry bricks; It also includes a corner column, wherein the corner column includes one longitudinal reinforcement (3) respectively arranged on the inner side of the corner of the masonry wall (2) and three longitudinal reinforcements (3) respectively arranged on the outer side of the corner of the masonry wall (2), and the three longitudinal reinforcements (3) respectively arranged on the outer side of the corner of the masonry wall (2) and on the outer side of two adjacent masonry walls (2) in sequence; it also includes a plurality of stirrups (5) arranged along the axial direction of the longitudinal reinforcement (3), and any stirrup (5) surrounds and connects all the longitudinal reinforcements (3) along the outer periphery of each longitudinal reinforcement (3) and passes through the transverse gaps of vertically adjacent masonry bricks; Each longitudinal reinforcement (3) is perpendicular to the horizontal plane and has a space between the longitudinal reinforcement (3) and the masonry wall (2).
2. The old masonry house reinforcement structure using high ductility concrete as claimed in claim 1, characterized in that: Each stirrup (5) is connected with at least one anchor (4), and the anchor (4) penetrates into the vertical gap between horizontally adjacent masonry bricks.
3. The old masonry house reinforcement structure using high ductility concrete as claimed in claim 2, characterized in that: The stirrups (5) are arranged at equal intervals along the axial direction of the longitudinal reinforcement (3).
4. The old masonry house reinforcement structure using high ductility concrete as claimed in claim 3, characterized in that: The vertical distances between each of the longitudinal reinforcements (3) and the masonry wall (2) are equidistant.
5. The old masonry house reinforcement structure using high ductility concrete as claimed in any one of claims 1 to 4, characterized in that: At least two side columns are provided on a masonry wall (2), and the side columns are distributed at equal intervals.
6. A masonry wall, characterized in that: The invention comprises an old masonry house reinforcement structure using high-ductility concrete as claimed in any one of claims 1 to 5 and arranged on a masonry wall (2), wherein the space between each longitudinal reinforcement (3) and the masonry wall (2) and the outside of the longitudinal reinforcement (3) are coated with concrete.