A method for the construction of a window sill in a renovation project and a prefabricated element

Abstract

The present application belongs to the field of building construction technology, and relates to a window sill construction method and a prefabricated part for a reconstruction project, comprising an original wall, a plurality of prefabricated blocks and a mortar leveling layer, the original wall and the plurality of prefabricated blocks are provided with the mortar leveling layer, the prefabricated blocks are fixed by high-strength self-leveling grouting, the original wall passes through the plurality of prefabricated blocks through a reinforcing bar connecting piece, and the original wall and the plurality of prefabricated blocks are provided with a waterproof layer outside. The combination scheme of the prefabricated blocks, the reinforcing bar connecting piece and the self-leveling grouting effectively reduces the process of the overall structure construction, improves the construction efficiency, reduces the material waste on the construction site, avoids the generation of a large amount of building material garbage, effectively saves the construction cost, and improves the effect and long-term reliability of the window sill prefabricated reconstruction project.

Description

Technical Field

[0001] This invention relates to the field of building construction technology, and in particular to a method for constructing window sills and a prefabricated component for use in renovation projects. Background Technology

[0002] In the process of existing renovation projects, changes in building height are often encountered. For example, when replacing windows, it is common to raise the windowsill. Currently, the common construction methods for raising windowsill mainly include two techniques: brick masonry and formwork pouring concrete.

[0003] However, these traditional methods require a lot of manpower and time, have long construction periods, high costs, low material utilization efficiency, and generate a lot of waste and materials, which have a negative impact on the environment. Summary of the Invention

[0004] To address the problems of time-consuming, labor-intensive, and costly traditional methods for raising and increasing window sills, this invention provides a window sill construction method and prefabricated components for use in renovation projects.

[0005] The technical solution of the present invention is achieved through the following scheme: a prefabricated window sill component for renovation projects, comprising an original wall, several prefabricated blocks and a mortar leveling layer, wherein a mortar leveling layer is laid between the original wall and the several prefabricated blocks, and the prefabricated blocks are fixed together by high-strength self-leveling grouting, wherein the original wall passes through the several prefabricated blocks through steel reinforcement connectors, and a waterproof layer is provided on the outside of the original wall and the several prefabricated blocks.

[0006] By employing the above technical solutions, a combination of precast blocks, steel connectors, and self-leveling grouting effectively reduces the number of construction steps for the overall structure. The use of precast blocks reduces the need for on-site pouring, while the application of self-leveling grouting simplifies the connection and grouting process, thereby improving construction efficiency. It reduces material waste while minimizing on-site pouring materials, saving material costs and reducing material handling and waste on the construction site. The gaps between precast blocks are also sealed with grout, further improving the stability and sealing of the structure. Combined with a waterproof layer, it prevents water and air penetration, effectively extending the service life of the structure.

[0007] Preferably, several of the precast blocks are fixed to the reinforcing steel connectors by high-strength self-leveling grouting.

[0008] Preferably, the waterproof layer is made of polyurethane coating, and the precast block is a concrete block.

[0009] The above technical solutions, by combining high-strength self-leveling grout with steel reinforcement, increase the connection strength between the precast blocks and the original wall, further enhance the stability after the combination, avoid possible displacement or deformation, and thus improve the service life of the window sill after renovation. Concrete blocks are used as precast blocks to provide a solid structural support for the whole.

[0010] A method for constructing a windowsill in a renovation project includes the following renovation steps:

[0011] Step A: Measure the required height for the modification;

[0012] Step B: Use an electric drill to drill and clean holes in the original wall and precast blocks, and install steel reinforcement connectors;

[0013] Step C: Lay the mortar leveling layer and connect the precast blocks;

[0014] Step D: Grouting and sealing the holes and joints;

[0015] Step E: Apply a waterproof layer to complete the renovation.

[0016] Preferably, step A includes the following steps:

[0017] a1. Place the precast blocks on the original wall;

[0018] a2, Measure and calculate the difference between the precast block and the required height;

[0019] a3 gives the height of the mortar leveling layer;

[0020] a4. If the height exceeds the optimal range of the mortar leveling layer, replace it with a suitable precast block.

[0021] Preferably, in step a4, the optimal height of the mortar leveling layer is 2-4 cm.

[0022] Preferably, step B includes the following steps:

[0023] b1. Drill holes for fixing reinforcing bars in the original wall using an electric drill, and clean the holes.

[0024] b2, Install and fix the steel reinforcement connectors to the original wall;

[0025] b2, Drill connecting through holes in the precast block.

[0026] Preferably, in step b2, the connecting through hole is 3 to 5 times the diameter of the reinforcing bar connector.

[0027] Preferably, step D includes the following steps:

[0028] d1, High-strength self-leveling grout is used to grout and fix the connecting through holes on the precast blocks through which the steel bars pass;

[0029] d2, further grouting is performed to seal the gaps between the closely spaced precast blocks.

[0030] In summary, the present invention has the following beneficial effects:

[0031] 1. This invention effectively reduces the construction steps of the overall structure by adopting a combination of precast blocks, steel reinforcement connectors, and self-leveling grout. The use of precast blocks reduces the need for on-site pouring, while the application of self-leveling grout simplifies the connection and filling process, thereby improving construction efficiency. It reduces material waste while reducing the materials required for on-site pouring, saving material costs and reducing material handling and waste on the construction site. The gaps between the two precast blocks are also sealed by grouting, further improving the stability and sealing of the structure. Combined with the waterproof layer, it prevents water and air penetration and effectively extends the service life of the structure.

[0032] 2. By combining high-strength self-leveling grout with steel reinforcement, the connection strength between the precast blocks and the original wall is increased, further enhancing the stability after the combination, avoiding possible displacement or deformation, and thus improving the service life of the window sill after renovation. Concrete blocks are used as precast blocks to provide a solid structural support for the whole.

[0033] 3. Compared with brick masonry heightening and cast-in-place concrete, this construction method not only simplifies the process and shortens the construction period, but also effectively reduces material loss and building waste, and eliminates safety hazards such as falling objects from heights. Attached Figure Description

[0034] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0035] Figure 2 This is a three-dimensional structural diagram of the unfilled slurry of the present invention.

[0036] Explanation of reference numerals in the attached drawings: 1. Precast block; 2. Connecting through hole; 3. Mortar leveling layer; 4. High-strength self-leveling grout; 5. Reinforcing bar connector. Detailed Implementation

[0037] To better understand the above-mentioned objectives, features and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein. Therefore, the invention is not limited to the specific embodiments disclosed in the following specification. The invention will be further described in detail below with reference to the accompanying drawings.

[0039] Example 1: A prefabricated window sill component used in renovation projects, such as... Figure 1-2 As shown, the structure includes the original wall, several precast blocks 1, and a mortar leveling layer 3. The mortar leveling layer 3 is laid between the original wall and the precast blocks 1. Each pair of precast blocks 1 is fixed together by high-strength self-leveling grout 4. A waterproof layer is provided on the outside of the original wall and the precast blocks 1. By using pre-made precast blocks 1 in conjunction with the mortar leveling layer 3, a seamless fit is achieved with the original wall, enhancing the structure and height of the original wall. The mortar leveling layer 3 makes the surface of the original wall smoother, facilitating subsequent decoration work. Compared with cast-in-place concrete, the precast blocks 1 reduce the number of steps and improve the adhesion at the joints. The quantity is easily guaranteed; compared with brick masonry, the strength of the joint is significantly increased, from 3 days to 8 hours; compared with cast-in-place concrete, the number of procedures is reduced and the bonding quality of the joint is easily guaranteed; compared with traditional renovation construction, material loss is significantly reduced and the utilization rate of materials is greatly improved, effectively reducing waste and reducing construction period and cost; high-strength self-leveling grout 4 can provide a stronger connection, making the precast blocks 1 tighter, thereby enhancing the stability of the overall structure; the waterproof layer prevents water from penetrating into the interior of the wall structure, preventing dampness and damage.

[0040] The original wall is connected to several precast blocks 1 by steel reinforcement connectors 5. The precast blocks 1 are fixed to the steel reinforcement connectors 5 by high-strength self-leveling grout 4. The waterproof layer is made of polyurethane coating. The precast blocks 1 are concrete blocks. The original wall and the precast blocks 1 are connected by steel reinforcement connectors 5, which effectively reduces the risk of falling objects from height. Polyurethane coating is a commonly used waterproof material. It is applied to the surface of the modified wall to form a waterproof layer, which effectively prevents water from penetrating into the interior of the building structure. By using steel reinforcement connectors 5 and self-leveling grout to fill the holes, the connection between the wall and the precast blocks 1 is more solid. The gaps between adjacent precast blocks 1 are also filled with grout, which significantly improves the stability of the overall structure. The concrete blocks have high compressive strength and durability, ensuring the stability of the overall structure when subjected to loads and environmental influences.

[0041] Example 2: A method for constructing window sills in renovation projects, such as... Figure 1-2 As shown, the modification steps include the following:

[0042] Step A: Measure the required height for the modification;

[0043] a1, Place precast block 1 on the original wall;

[0044] a2, Measure and calculate the height difference between precast block 1 and the required height;

[0045] a3, the height of mortar leveling layer 3 is obtained;

[0046] a4. If the height exceeds the optimal range of mortar leveling layer 3, replace it with a suitable precast block 1.

[0047] The optimal height of the mortar leveling layer 3 is 2-4cm. Place a precast block 1 on the original wall and measure the distance to the required modification height. This distance is the height of the mortar leveling layer 3. If the measured mortar leveling layer 3 is greater than 4cm, it is too thick and will pose a hidden danger to the uniformity and stability of the structure in the future. It is necessary to replace it with a precast block 1 of a suitable size.

[0048] Step B: Use an electric drill to drill holes in the original wall and precast block 1, clean the holes, and install the steel reinforcement connector 5;

[0049] b1. Drill holes for fixing reinforcing bars in the original wall using an electric drill, and clean the holes.

[0050] b2, Install and fix the steel connector 5 to the original wall;

[0051] b2, Drill a connecting through hole 2 on the precast block 1.

[0052] The connecting through hole 2 is 3 to 5 times the diameter of the steel bar connector 5, facilitating subsequent grouting and sealing. Holes are drilled in both the precast block 1 and the original wall using an electric drill to connect the steel bars, further strengthening the stability between the original wall and the precast block 1 and reducing material waste. The construction process generates virtually no waste. The number and location of the connecting through holes 2 on the precast block 1 are consistent with the steel bar connectors 5 installed on the original wall, and they are vertical openings.

[0053] Step C: Lay the mortar leveling layer 3 and connect the precast blocks 1;

[0054] The mortar leveling layer 3 is used to bond and fix the precast blocks to the original wall. The connecting through holes 2 on the precast blocks 1 are aligned with the steel bar connectors 5 and then connected to ensure that they remain in the correct position when the mortar is cured, which further strengthens the connection between the precast blocks 1.

[0055] Step D: Grouting and sealing the holes and joints;

[0056] d1, High-strength self-leveling grout 4 is used to grout and fix the connecting through hole 2 on the precast block 1 through which the steel bar passes;

[0057] d2, further grouting is performed to seal the gaps between the two closely spaced precast blocks 1.

[0058] High-strength self-leveling grout 4 is used to inject grout into the connecting through holes 2 on the precast block 1 through which the steel bars pass, thereby adding extra support at the connection point, increasing the firmness of the connection point, ensuring the stability of the overall structure, filling the gaps between the adjacent precast blocks 1, and cooperating with the subsequent application of a waterproof layer to effectively improve the airtightness and strength of the overall structure.

[0059] Step E: Apply a waterproof layer to complete the renovation.

[0060] This construction and renovation method is characterized by its speed and feasibility in all seasons, and it is especially advantageous in winter construction. It allows for easy implementation of simple and effective insulation measures, such as covering the steel reinforcement holes or the entire component with cotton felt, blankets, or insulation quilts. Such insulation steps are both simple and efficient, greatly shortening the construction period while ensuring construction quality.

[0061] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments that can be applied to other fields. However, any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A method for constructing window sills in renovation projects, characterized in that, The following modification steps are included: Step A: Measure the required height for the modification; a1, Place the precast block (1) on the original wall; a2, Measure and calculate the difference between the precast block (1) and the required height; a3, thus obtaining the height of the mortar leveling layer (3); a4. If the height exceeds the optimal range of the mortar leveling layer (3), replace it with a suitable precast block (1). Step B: Use an electric drill to drill holes and clean the holes in the original wall and precast block (1), and install the steel reinforcement connector (5); b1. Drill holes for fixing reinforcing bars in the original wall using an electric drill, and clean the holes. b2, Install and fix the steel bar connector (5) on the original wall; b2, Drill a connecting through hole (2) on the precast block (1); Step C: Lay the mortar leveling layer (3) and connect the precast blocks (1); Step D: Grouting and sealing the holes and joints; Step E: Apply a waterproof layer to complete the renovation; It includes an original wall, several precast blocks (1) and a mortar leveling layer (3). The original wall and several precast blocks (1) are laid with a mortar leveling layer (3). The precast blocks (1) are fixed together by high-strength self-leveling grouting (4). The original wall passes through several precast blocks (1) through steel reinforcement connectors (5). The original wall and several precast blocks (1) are provided with a waterproof layer on the outside. Several of the precast blocks (1) are fixed to the steel reinforcement connectors (5) by high-strength self-leveling grouting (4).

2. The method for constructing a windowsill in a renovation project according to claim 1, characterized in that: In step a4, the optimal height of the mortar leveling layer (3) is 2-4 cm.

3. The method for constructing a windowsill in a renovation project according to claim 1, characterized in that: In step b2, the connecting through hole (2) is 3 to 5 times the diameter of the steel bar connector (5).

4. The method for constructing a window sill in a renovation project according to claim 1, characterized in that: Step D includes the following specific steps: d1, High-strength self-leveling grout (4) material is used to grout and fix the connecting through hole (2) on the precast block (1) through which the steel bar passes; d2, further grouting is performed to seal the gaps between the two closely spaced precast blocks (1).

5. The method for constructing a windowsill in a renovation project according to claim 1, characterized in that: The waterproof layer is made of polyurethane coating, and the precast block (1) is a concrete block.

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