A construction method of a moisture-proof layer for a moisture-proof outer wall of a historical building

Abstract

The application discloses a kind of construction methods for damp-proof layer of historical building outer wall, which comprises the following steps: S1. the damp-proof layer is inserted in the horizontal direction mortar joint of the part of historical building outer wall exposed on the ground, which is closest to the ground, so that the whole damp-proof layer is immersed in the wall;S2. the mortar joint where the damp-proof layer is embedded is filled and colored, and the original appearance of the mortar joint is restored.The unique design of the damp-proof layer improves the damp-proof effect while ensuring the overall strength of the historical building outer wall, and the construction method is simple, convenient and efficient, which effectively improves the construction efficiency and saves cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of historical building maintenance and repair, and particularly relates to a construction method of a moisture-proof layer for a historical building outer wall. BACKGROUND

[0002] In the southern humid area or rainy season, the historical building outer wall is often eroded by excessive moisture in the soil, which leads to the decrease of the wall surface strength due to excessive moisture, and even the mortar connecting the brick surface softens and flows away, causing the wall to be damaged.

[0003] Due to the particularity of the historical building wall, in order to ensure the moisture-proof effect, the wall is often completely demolished and re-stacked with a moisture-proof layer, which has a huge amount of work and is easy to damage the wall; or the moisture-proof effect is reduced, such as drilling and grouting the moisture-proof slurry, the uncertainty of the moisture-proof slurry flow causes some areas of the wall to be uncovered, affecting the final moisture-proof effect; or the half-side board is inserted into the wall, in order not to affect the stability of the wall, only half-side board is inserted, causing the other side to be unable to avoid moisture, and the overall moisture-proof effect is poor. SUMMARY

[0004] In order to solve the above problems in the prior art, the present application provides a construction method of a moisture-proof layer for a historical building outer wall, which has a more excellent moisture-proof effect with less impact on the stability of the historical building outer wall.

[0005] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A construction method of a moisture-proof layer for a historical building outer wall, the method comprising the following steps:

[0007] S1. Inserting the moisture-proof layer into the horizontal mortar joint closest to the ground on the part of the historical building outer wall exposed to the ground surface, so that the moisture-proof layer is entirely immersed in the wall;

[0008] S2. Filling and coloring the mortar joint where the moisture-proof layer is embedded to restore the original appearance of the mortar joint.

[0009] Further, the moisture-proof layer comprises a plurality of moisture-proof boards, the length of the moisture-proof board perpendicular to the wall surface direction is half of the width of the wall where the moisture-proof layer is located, and the moisture-proof boards are distributed in a staggered manner in the wall.

[0010] Further, the moisture-proof layer comprises two rows of moisture-proof boards, the moisture-proof boards in the same row are arranged at intervals, except for the moisture-proof boards at the ends of the two rows, the remaining moisture-proof boards are close to the two corners in the wall, and each contact point is connected to the center line of the wall.

[0011] Further, the moisture-proof plate is thinner on the side close to the interior of the wall than on the side close to the exterior of the wall.

[0012] Further, the moisture-proof plate is in a blade shape, the side close to the interior of the wall is in a blade edge shape, and the part outside the blade edge shape is in a flat plate shape.

[0013] Further, the moisture-proof plate is in a blade shape, the side close to the interior of the wall is in a blade edge shape, and the part outside the blade edge shape is in a flat plate shape.

[0014] Further, the moisture-proof plate is made of a hard waterproof material, and the hard waterproof material includes stainless steel.

[0015] Further, the maximum thickness of the moisture-proof plate is 4 mm.

[0016] Further, in the step S1, the specific method of inserting the moisture-proof layer includes the following steps.

[0017] S11. Supporting the two sides of the outer wall of the historical building respectively to avoid the wall from being inclined or collapsed under stress.

[0018] S12. Placing the moisture-proof plate flat after aligning it with the preset position, and inserting the moisture-proof plate into the wall completely by hammering.

[0019] Further, in the step S2, the method of restoring the original appearance of the joint includes the following steps.

[0020] S21. Pouring the mixed mortar into the wall by grouting at each moisture-proof plate.

[0021] S22. After the mortar is completely set, grinding the original joint to the same shape as other joints of the same type, and coloring the joint to make it consistent with the color of the original joint.

[0022] S23. Removing the supports on the two sides of the outer wall of the historical building.

[0023] According to the above technical solution, the application has the following advantages: through the unique arrangement of the moisture-proof plate in the moisture-proof layer, the moisture-proof effect is improved while the overall strength of the outer wall of the historical building is ensured, and the construction method is simple, convenient and fast, which effectively improves the construction efficiency and saves costs. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a side view of the outer wall of the historical building after the construction of the application is completed.

[0025] Figure 2It is the front view of the historical building outer wall after the construction of the application is completed.

[0026] Figure 3 It is the overall structure diagram of the moisture-proof layer in the application.

[0027] Figure 4 It is the side view of the moisture-proof plate in the application.

[0028] Figure 5 It is the top view of the moisture-proof plate in the application. DETAILED DESCRIPTION

[0029] The application will be further described in detail below in combination with the drawings and specific examples, so as to be more clearly understood in structure type and use mode, but the protection scope of the application patent cannot be limited thereby.

[0030] As shown in the drawings, Figures 1-5 A moisture-proof layer construction method for historical building outer wall, the method comprises the following steps:

[0031] S1. Support the two sides of the historical building outer wall respectively to avoid the wall body 1 from being inclined or collapsed under stress, insert the moisture-proof layer 2 at the horizontal mortar joint closest to the ground of the part of the historical building outer wall exposed on the ground surface, place the moisture-proof plate 3 in the predetermined position, and insert the moisture-proof plate 3 into the wall body 1 by hammering, the moisture-proof layer 2 comprises a plurality of moisture-proof plates 3, the length of the moisture-proof plate 3 perpendicular to the wall surface direction is half of the width of the wall body 1 where the moisture-proof layer 2 is located, and the moisture-proof plates 3 are distributed in a staggered manner in the wall body 1;

[0032] S2. Fill and color the mortar joint where the moisture-proof layer 2 is embedded to restore the original appearance of the mortar joint: pour the prepared mortar into the wall body 1 through grouting at each moisture-proof plate 3, polish the original mortar joint to the same shape as other mortar joints of the same type after the mortar is completely set, color the mortar joint to make the color consistent with the original mortar joint, and remove the supports on both sides of the historical building outer wall.

[0033] The moisture-proof layer 2 comprises two rows of moisture-proof plates 3, which are made of stainless steel and have a thickness of no more than 4 mm at the thickest part, and the moisture-proof plates 3 in the same row are arranged at intervals, and except for the moisture-proof plates 3 at the two ends of the two rows, the remaining moisture-proof plates 3 are connected to the corners of the wall body 1 respectively and to the corners of two moisture-proof plates 3 in different rows respectively, and the midlines of the wall body 1 at the connecting points are connected, and the thickness of the side of the moisture-proof plate 3 close to the inside of the wall body 1 is smaller than the thickness of the side close to the outside of the wall body 1, and the moisture-proof plate 3 has a blade-shaped structure, and the side of the moisture-proof plate 3 close to the inside of the wall body 1 has a blade-shaped structure, and the part outside the blade-shaped structure has a plate-shaped structure, which can be a flat plate or a plate-shaped structure with uniform grooves 4 on the upper plate surface, so as to form a plurality of equidistant grooves 4 perpendicular to the wall surface on the upper plate surface, and the grooves 4 can be used for grouting and filling when repairing the mortar joint.

[0034] It is to be understood that the present application has other similar structural components and usage modes in addition to the above-mentioned embodiments. In general, the present application also includes other modifications and alternatives that are obvious to those skilled in the art.

Claims

1. A method for constructing a damp-proof layer for the exterior walls of historical buildings, characterized in that, The method includes the following steps: S1. A moisture-proof layer is inserted into the horizontal mortar joint closest to the ground on the exposed part of the exterior wall of the historical building, so that the moisture-proof layer is completely submerged in the wall. The moisture-proof layer includes several moisture-proof boards. The length of the moisture-proof board perpendicular to the wall is half the width of the wall where the moisture-proof layer is located. The moisture-proof boards are distributed in an alternating pattern in the wall. The moisture-proof layer includes two rows of moisture-proof boards. The moisture-proof boards in the same row are arranged alternately. Except for the moisture-proof board at the very end of the two rows, the two corners of the remaining moisture-proof boards closest to the wall are respectively connected to one corner of each of the two moisture-proof boards in different rows. The connection of all contact points is the centerline of the wall at that point. S2. Fill and color the mortar joints embedded in the moisture-proof layer to restore the original appearance of the mortar joints.

2. The method for constructing a damp-proof layer for exterior walls of historical buildings according to claim 1, characterized in that, The thickness of the moisture-proof board on the side closer to the inside of the wall is less than the thickness on the side closer to the outside of the wall.

3. The method for constructing a damp-proof layer for exterior walls of historical buildings according to claim 2, characterized in that, The moisture-proof board has a blade-shaped structure, with the side of the moisture-proof board closest to the wall having a blade-shaped structure and the part outside the blade-shaped structure having a flat plate structure.

4. A method for constructing a damp-proof layer for the exterior wall of a historical building according to claim 2, characterized in that, The moisture-proof board has a blade-shaped structure. The side of the moisture-proof board closest to the wall has a blade-shaped structure, while the part outside the blade-shaped structure has a plate-shaped structure. The upper surface of the plate-shaped structure has several grooves perpendicular to the wall, and the grooves are evenly spaced.

5. A method for constructing a damp-proof layer for exterior walls of historical buildings according to any one of claims 1-4, characterized in that, The moisture-proof board is made of a rigid waterproof material, including stainless steel.

6. A method for constructing a damp-proof layer for the exterior wall of a historical building according to any one of claims 3 or 4, characterized in that, The maximum thickness of the moisture-proof board is 4mm.

7. A method for constructing a damp-proof layer for exterior walls of historical buildings according to claim 1, characterized in that, In step S1, the specific method for inserting the moisture-proof layer includes the following steps: S11. Support the exterior walls of the historical building on both sides to prevent the walls from tilting or collapsing under stress; S12. After aligning the moisture-proof board with the preset position, lay it flat and use a hammer to make the moisture-proof board fully inserted into the wall.

8. A method for constructing a damp-proof layer for exterior walls of historical buildings according to claim 7, characterized in that, In step S2, the method for restoring the original appearance of the mortar joints includes the following steps: S21. Grouting is used to inject the prepared mortar into the wall at each moisture-proof board. S22. After the mortar has completely set, grind the original mortar joint into the same shape as other mortar joints of the same type, and fill it with color so that the color of the mortar joint at this location matches the color of the original mortar joint. S23. Remove the supports on both sides of the exterior walls of the historical building.

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