Black brick imitating wall surface structure for repairing old building
Through the combined structure of the base layer, leveling layer, reinforcement layer and modification layer, the problems of insufficient simulation degree and poor crack resistance in the restoration of blue brick walls of old buildings are solved, and economical and efficient simulation degree improvement and structural stability enhancement are achieved, and urban renewal is supported.
Patent Information
- Application Number
- CN202422431404.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-09
AI Technical Summary
When repairing the blue brick walls of old buildings, the prior art has problems such as high economic costs, insufficient simulation, easy mortar falls off and poor crack resistance, resulting in short service life of the wall and difficulty in adhering the decorative materials evenly.
The structure of the base layer, leveling layer, reinforcement layer and modification layer is adopted. The base layer includes the original wall, steel wire mesh and cement mortar. The leveling layer uses hemp ash, the reinforcement layer uses grid cloth and crack-resistant mortar, and the modification layer uses blue brick ash mortar. The simulation degree and structural stability are improved through the combination of these layers.
Successfully repair the blue brick walls of old buildings, reduce economic costs, improve simulation, enhance crack resistance, ensure uniform adhesion of decorative materials, and assist urban renewal actions.
Smart Images
Figure CN223151713U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of old building restoration, in particular to a structure of imitation blue brick wall surface for restoring old buildings. Background Art
[0002] During the restoration and renovation of ancient buildings, there are a large number of rotten red and blue brick wall surfaces. If directly demolished, on the one hand, it will cause huge economic costs, and on the other hand, it does not conform to the national carbon peak and carbon neutrality policy. At the same time, in the traditional mortar imitation blue brick process, firstly, the bonding strength between the mortar layer and the base layer is not strong, which is extremely likely to cause the mortar to fall off; secondly, the crack resistance of the mortar surface layer is insufficient, and cracks are likely to appear, which will accelerate the deterioration of the mortar and the base layer materials, resulting in a sharp reduction in service life; thirdly, the flatness of the mortar surface layer is insufficient, and subsequent decorative materials such as coatings and tiles are difficult to adhere evenly on the uneven surface layer, and may fall off or peel off. These reasons together result in insufficient simulation degree of the wall surface, so it is particularly necessary to improve the simulation degree of the imitation blue brick wall surface of old buildings.
[0003] Therefore, the utility model provides a structure of imitation blue brick wall surface for restoring old buildings. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a structure of imitation blue brick wall surface for restoring old buildings, which can restore the blue brick wall surface with high simulation degree through the new structure of imitation blue brick wall surface, improve the simulation degree of the blue brick wall surface, save costs, and contribute to the urban renewal action.
[0005] To achieve the above purpose, the utility model provides a structure of imitation blue brick wall surface for restoring old buildings, which includes a base layer, a leveling layer, a reinforcement layer and a finishing layer. The base layer is located on the innermost side, the outer side of the base layer is connected to the inner side of the leveling layer, the outer side of the leveling layer is connected to the inner side of the reinforcement layer, and the finishing layer is laid on the outer side of the reinforcement layer; the base layer includes the original masonry wall, steel wire mesh and cement mortar, the steel wire mesh is laid on the outer side of the original masonry wall, and the cement mortar is plastered on the steel wire mesh; the leveling layer is provided with hemp knife ash, and the hemp knife ash is evenly plastered on the cement mortar. The reinforcement layer includes a grid cloth, a first-stage crack-resistant mortar and a second-stage crack-resistant mortar. The first-stage crack-resistant mortar is evenly plastered on the hemp knife ash, the grid cloth is horizontally placed on the first-stage crack-resistant mortar, and the surface of the grid cloth is evenly covered with the second-stage crack-resistant mortar. The finishing layer is laid with blue brick ash mortar.
[0006] Preferably, the width of the steel wire mesh is not less than 200 mm, and the overlapping width with the original masonry wall is not less than 100 mm.
[0007] Preferably, shot nails are arranged on the steel wire mesh, and the steel wire mesh is fixed on the original masonry wall by the shot nails.
[0008] Preferably, broken hemp ropes are provided inside the hemp-mortar, and the length of the broken hemp ropes is 2-3 cm.
[0009] Preferably, the thickness of the reinforcement layer is 1.5 cm.
[0010] Preferably, the grid cloth includes longitudinally, transversely and obliquely woven segments, and fixing adhesive stickers are provided at the nodes where the longitudinally, transversely and obliquely woven segments cross.
[0011] Therefore, the imitation blue brick wall structure for repairing old buildings with the above structure of the present utility model has the following benefits: The blue brick wall of the old building is successfully repaired by using the structure of the imitation blue brick wall, solving the problem that the old building does not need to be demolished and rebuilt, retaining the old building to the greatest extent, avoiding the use of solid blue bricks, reducing the economic cost, improving the simulation degree of the blue brick wall, and facilitating the urban renewal action.
[0012] Next, through the drawings and embodiments, the technical solutions of the present utility model will be further described in detail. Description of the Drawings
[0013] Figure 1 It is a schematic structural diagram of an embodiment of an imitation blue brick wall structure for repairing old buildings of the present utility model;
[0014] Figure 2 It is a schematic diagram of the leveling layer of an embodiment of an imitation blue brick wall structure for repairing old buildings of the present utility model;
[0015] Figure 3 It is a schematic diagram of the grid cloth of an embodiment of an imitation blue brick wall structure for repairing old buildings of the present utility model;
[0016] Reference Signs
[0017] 1, base layer; 2, leveling layer; 3, reinforcement layer; 4, finishing layer; 11, original masonry wall; 12, wire mesh; 13, cement mortar; 21, hemp-mortar; 211, broken hemp rope; 31, first-stage crack-resistant mortar; 32, grid cloth; 321, longitudinal segment; 322, transverse segment; 323, oblique segment; 324, fixing adhesive sticker; 33, second-stage crack-resistant mortar; 41, blue brick ash mortar; 5, nail. Detailed Embodiments
[0018] The technical solutions of the present utility model will be further described below through the drawings and embodiments.
[0019] Unless otherwise defined, the technical terms or scientific terms used in this utility model shall have the ordinary meanings as understood by those with ordinary skills in the field to which this utility model belongs. The "first", "second" and similar words used in this utility model do not denote any order, quantity or importance, but are only used to distinguish different components. Words such as "including" or "comprising" mean that the elements or objects appearing before this word cover the elements or objects listed after this word and their equivalents, without excluding other elements or objects. Words such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.
[0020] Embodiment
[0021] As Figures 1-3 As shown, this utility model provides a structure of imitation blue brick wall surface for repairing old buildings, which includes a base layer 1, a leveling layer 2, a reinforcement layer 3 and a finishing layer 4. The base layer 1 is located on the innermost side. The outer side of the base layer 1 is connected to the inner side of the leveling layer 2. The outer side of the leveling layer 2 is connected to the inner side of the reinforcement layer 3. The finishing layer 4 is laid on the outer side of the reinforcement layer 3;
[0022] The base layer 1 includes an original masonry wall 11, a wire mesh 12 and cement mortar 13. The wire mesh 12 is laid on the outer side of the original masonry wall 11, and the cement mortar 13 is plastered on the wire mesh 12. The width of the wire mesh 12 is not less than 200 mm, and the overlapping width with the original masonry wall 11 is not less than 100 mm. Nails 5 are provided on the wire mesh 12 to fix the wire mesh 12 to the original masonry wall 11. The construction of the wire mesh 12 and cement mortar 13 reinforcement method is convenient, the construction efficiency is high, the wet operation is less, and large construction equipment is not required. It can effectively improve the structural bearing capacity, and the wire mesh 12 can be arbitrarily cut on site according to the actual situation. The wire mesh 12 and cement mortar 13 itself also have excellent corrosion resistance and durability.
[0023] The leveling layer 2 is provided with hemp knife ash 21. The hemp knife ash 21 is evenly plastered on the cement mortar 13. Broken hemp ropes 211 are arranged inside the hemp knife ash 21. The length of the broken hemp ropes 211 is 2 - 3 cm, and the configuration ratio of the broken hemp ropes 211 to slaked lime is 1:100. The production cost of the hemp knife ash 21 is relatively low. When used, it can effectively control the construction cost, has a unique natural texture, can add beauty to the building, and also has the advantages of environmental protection, light weight, high strength, good heat insulation and anti-corrosion performance.
[0024] The reinforcement layer 3 includes a mesh cloth 32, a first-level anti-crack mortar 31 and a second-level anti-crack mortar 33. The first-level anti-crack mortar 31 is evenly pressed and spread on the hemp ash 21. The mesh cloth 32 is horizontally placed on the first-level anti-crack mortar 31. The surface of the mesh cloth 32 is evenly covered with the second-level anti-crack mortar 33. The thickness of the reinforcement layer 3 is 1.5 cm. The combination of the anti-crack mortar and the mesh cloth 32 can enhance the anti-crack performance and overall structural stability of the building. The mesh cloth 32 includes a cross-woven longitudinal section 321, a transverse section 322 and a diagonal section 323. The nodes where the longitudinal section 321, the transverse section 322 and the diagonal section 323 are cross-woven are provided with fixing adhesive stickers 324.
[0025] The finishing layer 4 is paved with blue brick ash mortar 41, which includes black iron liquid, 108 glue, blue brick ash powder and water, and the configuration ratio is 1:2:8:8.
[0026] In the specific implementation process, first, the wall structure of the old building is checked, and the missing bricks on the wall are sealed with brick ash, and the wall surface is cleaned; secondly, a wire mesh 12 is laid on the surface of the original masonry wall 11, and then cement mortar 13 is pressed or poured, and the wire mesh 12 is connected to the original masonry wall 11 with nails 5; then, after the cement mortar 13 solidifies, a layer of hemp ash 21 is applied on the surface and leveled; further, the first-level anti-cracking mortar 31 is evenly scraped on the surface of the solidified hemp ash 21, and a mesh cloth 32 is laid. The laying of the mesh cloth 32 needs to be appropriately extended by 20 cm in width upward, downward, left and right for construction, and then the mesh cloth 32 is evenly covered with the second-level anti-cracking mortar 33; finally, the blue brick ash mortar 41 is applied and the joints are grouted.
[0027] Therefore, the utility model adopts the above-mentioned structure to repair the imitation blue brick wall structure of the old building, and successfully repairs the blue brick wall of the old building by using the imitation blue brick wall structure, solves the problem of not having to demolish and rebuild the old building, retains the old building to the greatest extent, avoids the use of real blue bricks, reduces economic costs, improves the simulation of the blue brick wall, and helps urban renewal actions.
[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.
Claims
1. A structure of an imitation blue brick wall surface for repairing old buildings, characterized in that: It includes a base layer, a leveling layer, a reinforcement layer and a finishing layer. The base layer is located on the innermost side. The outer side of the base layer is connected to the inner side of the leveling layer. The outer side of the leveling layer is connected to the inner side of the reinforcement layer. The finishing layer is laid on the outer side of the reinforcement layer. The base layer includes an original masonry wall, a wire mesh and cement mortar. The wire mesh is laid on the outer side of the original masonry wall, and the cement mortar is plastered on the wire mesh. The leveling layer is provided with hemp chopped lime, and the hemp chopped lime is evenly plastered on the cement mortar. The reinforcement layer includes a mesh cloth, a first-level anti-cracking mortar and a second-level anti-cracking mortar. The first-level anti-cracking mortar is evenly plastered on the hemp chopped lime. The mesh cloth is horizontally placed on the first-level anti-cracking mortar, and the second-level anti-cracking mortar is evenly covered on the surface of the mesh cloth. The finishing layer is laid with blue brick ash mortar.
2. The imitation blue brick wall surface structure for repairing old buildings according to claim 1, characterized in that: The width of the wire mesh is not less than 200 mm, and the overlapping width with the original masonry wall is not less than 100 mm.
3. The imitation blue brick wall surface structure for repairing old buildings according to claim 1, characterized in that: Shot nails are provided on the wire mesh, and the wire mesh is fixed to the original masonry wall by the shot nails.
4. The imitation blue brick wall surface structure for repairing old buildings according to claim 1, characterized in that: Broken hemp ropes are arranged inside the hemp chopped lime, and the length of the broken hemp ropes is 2 - 3 cm.
5. A simulated blue brick wall surface structure for repairing old buildings according to claim 1, characterized in that: The thickness of the reinforcement layer is 1.5 cm.
6. The imitation blue brick wall surface structure for repairing old buildings according to claim 1, characterized in that: The mesh cloth includes longitudinal segments, transverse segments and diagonal segments that are cross-woven, and fixing adhesive stickers are provided at the nodes where the longitudinal segments, transverse segments and diagonal segments are cross-woven.