Waterproof repairing structure for basement exterior wall

Abstract

The utility model discloses a basement exterior wall waterproof repairing structure which comprises a wall body, the repairing structure is used for waterproof filling of cracks outside the wall body, the repairing structure comprises a gap filling structure and an outer waterproof layer, and the gap filling structure comprises grouting holes which are formed in the exterior of the wall body and distributed along the two sides of the cracks; the grouting holes are obliquely formed towards the crack and communicate with the interior of the crack, the inner side of the crack and the grouting holes are filled with mortar, the portion, located on the outer side of the mortar, in the crack is filled with expansion water-stop strips, the outer sides of the expansion water-stop strips are filled with sealant layers, and the outer waterproof layer is fixedly arranged at the position, corresponding to the crack and the grouting holes, of the exterior of the wall. Compared with the prior art, the utility model has the advantages that the grouting hole is arranged, the mortar is filled in the grouting hole, the expansion water stop strip is filled in the crack, and the sealant layer is arranged on the outer side, so that the multi-layer crack filling mode can penetrate into the crack, and the crack is ensured to be completely filled.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterproof repair device technical field, specifically is basement outer wall waterproof repair structure. BACKGROUND

[0002] In the construction engineering, the basement outer wall is influenced by many factors, such as soil pressure, groundwater erosion, temperature change etc., and cracks often appear. If these cracks are not waterproofed in time, groundwater will seep into the basement, which will bring serious safety hazards to the use of the building, such as damaging the equipment in the basement, affecting the use function of the basement, etc. Therefore, the waterproof repair of the basement outer wall cracks is very important.

[0003] In the traditional basement outer wall crack repair structure, the gap filling is often not thorough. Usually, only sealant or filling mortar and other materials are simply daubed on the surface of the crack, which cannot effectively fill the inside of the crack. Such repair method is easy to cause the existence of gap in the inside of the crack, and groundwater can continue to seep into the basement through the gap, or the waterproof effect is lost with the increase of the crack, and constant filling and repair are needed. SUMMARY

[0004] (I) Technical problem

[0005] The utility model aims at providing a basement outer wall waterproof repair structure to solve the problem of incomplete gap filling and poor waterproof effect in the traditional basement outer wall waterproof repair structure.

[0006] (II) Technical content

[0007] To solve the above technical problem, the technical scheme of the utility model is as follows: a basement outer wall waterproof repair structure, including a wall body, the repair structure is used for waterproof filling of the external crack of the wall body, including a gap filling structure and an outer waterproof layer, the gap filling structure includes grouting holes arranged outside the wall body and distributed along both sides of the crack, the grouting holes are inclinedly arranged towards the crack and are communicated with the inside of the crack, the inside of the crack and the inside of the grouting hole are both filled with mortar, the inside of the crack and outside of the mortar are filled with an expanded waterproof strip, the outside of the expanded waterproof strip is filled with a sealant layer, and the outer waterproof layer is fixedly arranged outside the wall body at positions corresponding to the crack and the grouting hole.

[0008] Further, the outer waterproof layer includes a waterproof coating layer, a waterproof roll material layer and a waterproof protection layer arranged in sequence from inside to outside, the waterproof coating layer covers the surface of the filled wall body, the waterproof roll material layer is laid outside the waterproof coating layer, and the waterproof protection layer is arranged outside the waterproof roll material layer.

[0009] Further, the waterproof coating layer adopts polyurethane waterproof coating.

[0010] Further, the waterproofing membrane layer adopts SBS modified asphalt waterproofing membrane.

[0011] Further, the waterproofing protective layer adopts polyethylene foam plastic plate.

[0012] Further, the expansion waterstop is arranged in the external crack of the basement wall, and the sealant layer is arranged outside the crack and closely adheres to the wall.

[0013] (Three) technical effects

[0014] Compared with the prior art, the basement external wall waterproofing repair structure has the advantages that:

[0015] 1. The basement external wall waterproofing repair structure is provided with grouting holes on both sides of the external crack of the wall, which are inclined to the inside of the crack and communicate with the crack. The crack is first filled with mortar inside and then filled with expansion waterstop, and finally a sealant layer is arranged on the outside. This multi-layer gap filling method can penetrate into the inside of the crack, ensure that the crack is completely filled, effectively prevent groundwater from seeping into the basement through the crack, and the expansion waterstop expands when it comes into contact with water, so that even if the crack increases, the waterproof plugging effect can be provided within a certain range.

[0016] 2. The outer waterproofing layer is sequentially provided with a polyurethane waterproofing coating layer, an SBS modified asphalt waterproofing membrane layer, and a polyethylene foam plastic plate waterproofing protective layer from inside to outside. The polyurethane waterproofing coating has good flexibility, weather resistance, and waterproofing performance, and can form a continuous and seamless waterproofing layer on the surface of the wall. The SBS modified asphalt waterproofing membrane has good high-temperature and low-temperature resistance, weather resistance, and tensile strength, and can effectively resist the damage of external environmental factors to the waterproofing layer. The polyethylene foam plastic plate waterproofing protective layer not only protects the internal waterproofing layer from mechanical damage, but also has a certain heat preservation effect, reduces the wall cracks caused by temperature changes, and reduces the risk of leakage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front view structural schematic diagram of the basement external wall waterproofing repair structure of the utility model.

[0018] Figure 2 is a top view structural schematic diagram of the basement external wall waterproofing repair structure of the utility model.

[0019] Figure 3 is a structural schematic diagram of the A area of the basement external wall waterproofing repair structure of the utility model.

[0020] As shown in the figure: 1, wall; 2, crack; 3, grouting hole; 4, mortar; 5, expansion waterstop; 6, sealant layer; 7, waterproofing coating layer; 8, waterproofing membrane layer; 9, waterproofing protective layer. DETAILED DESCRIPTION

[0021] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center" and the like is the orientation or position relation based on the drawings shown, and is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation structure and operation, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "provided with", "mounted", "connected", "connected" and the like should be broadly understood, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, or can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The utility model will be further described in detail below in combination with the drawings.

[0024] In combination with the drawings Figure 1 to the drawings Figure 3 , the basement outer wall waterproof repairing structure, including wall 1, the repairing structure is used for waterproof filling of the crack 2 outside wall 1, including gap filling structure and outer waterproof layer, the gap filling structure includes the grouting hole 3 that is located at wall 1 outside and is distributed along the both sides of crack 2, grouting hole 3 is obliquely arranged to crack 2 and is communicated with crack 2 inside, crack 2 and grouting hole 3 inside are filled with mortar 4, crack 2 inside and located at the outside of mortar 4 are filled with expansion waterstop 5, expansion waterstop 5 outside is filled with sealant layer 6, the expansion waterstop 5 is arranged in the crack 2 inside the basement wall 1, the sealant layer 6 covers crack 2 outside and is closely combined with wall 1, and the outer waterproof layer is fixedly arranged at the position corresponding to crack 2 and grouting hole 3 outside wall 1.

[0025] The working principle of the basement outer wall waterproof repairing structure of the utility model is that: grouting hole 3 is obliquely arranged to crack 2, which facilitates the injection of mortar 4 into the deep part and the surrounding area inside the crack, so that the mortar fully fills the inside of the crack and the inside of the grouting hole, provides a foundation support for subsequent waterproof treatment, and ensures the stability of the internal structure of the crack. The expansion waterstop 5 will expand after meeting water, further filling the tiny gap in the crack, effectively preventing the penetration of groundwater. When groundwater seeps into the crack, the expansion waterstop expands rapidly, tightly extruding the crack wall, forming a sealed barrier. The sealant layer 6 covers the outside of the crack and is closely combined with the wall 1, which plays a sealing role, preventing external moisture from entering the crack.

[0026] In this embodiment, as a preferred technical solution, the outer waterproof layer comprises a waterproof coating layer 7, a waterproof roll material layer 8 and a waterproof protection layer 9 arranged in turn from inside to outside, the waterproof coating layer 7 covers the surface of the filled wall 1, the waterproof roll material layer 8 is laid outside the waterproof coating layer 7, and the waterproof protection layer 9 is arranged outside the waterproof roll material layer 8.

[0027] The waterproof coating layer 7 adopts polyurethane waterproof coating, which has good flexibility and waterproof performance, can form a continuous and seamless waterproof layer on the wall surface, and prevent groundwater from penetrating from the wall surface. The waterproof roll material layer 8 adopts SBS modified asphalt waterproof roll material, which has good high temperature resistance, low temperature resistance and tensile strength, provides additional protection for the waterproof layer and enhances the waterproof effect. The waterproof protection layer 9 adopts polyethylene foam plastic plate, which can protect the internal waterproof layer from external mechanical damage on one hand, and has a certain heat preservation effect on the other hand, reduces the wall cracks caused by temperature changes, and reduces the risk of leakage.

[0028] The specific construction steps of the basement outer wall waterproof repair structure of the utility model are as follows:

[0029] 1. Determine the crack position: first, comprehensively inspect the basement outer wall to determine the position and range of the crack 2.

[0030] 2. Drill grouting holes: drill holes on the outside of the wall 1 and at positions distributed along the two sides of the crack 2 to form grouting holes 3, and ensure that the grouting holes are inclined to the crack and communicate with the inside of the crack.

[0031] 3. Inject mortar: inject mortar 4 into the inside of the crack and the grouting hole 3 through the grouting equipment, so that the mortar fully fills the deep inside and the surrounding area of the crack, and after the mortar solidifies, the internal structure of the crack is stable.

[0032] 4. Install the expansion waterproof strip: install the expansion waterproof strip 5 inside the crack 2 and outside the mortar 4, and ensure that the expansion waterproof strip is in close contact with the crack wall.

[0033] 5. Apply the sealant layer: apply the sealant layer 6 outside the expansion waterproof strip 5, so that it covers the outside of the crack and is tightly attached to the wall 1, forming the first line of defense.

[0034] 6. Construct the waterproof coating layer: construct the waterproof coating layer 7 on the outside of the wall 1 corresponding to the crack 2 and the grouting hole 3, and uniformly apply polyurethane waterproof coating on the wall surface to form a continuous and seamless waterproof layer.

[0035] 7. Lay the waterproof roll material layer: lay the waterproof roll material layer 8 outside the waterproof coating layer 7, and use SBS modified asphalt waterproof roll material to ensure that the roll material is tightly combined with the waterproof coating layer without hollowing, blistering and other phenomena.

[0036] 8. Installing waterproof protective layer: installing waterproof protective layer 9 outside waterproof roll material layer 8, using polyethylene foam plastic plate, fixing it on waterproof roll material layer, providing protection for the whole waterproof structure.

[0037] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments similar to the technical solution, which should belong to the protection scope of the present application.

Claims

1. A waterproofing repair structure for basement exterior walls, comprising a wall body (1), said repair structure being used for waterproofing filling of exterior cracks (2) of the wall body (1), comprising a gap filling structure and an outer waterproof layer, characterized in that: The crack filling structure comprises grouting holes (3) arranged outside the wall body (1) and distributed along both sides of the cracks (2), the grouting holes (3) are arranged obliquely to the cracks (2) and communicate with the inside of the cracks (2), the inside of the cracks (2) and the inside of the grouting holes (3) are filled with mortar (4), the inside of the cracks (2) and outside of the mortar (4) are filled with an expansion waterstop (5), the outside of the expansion waterstop (5) is filled with a sealant layer (6), and an outer waterproof layer is fixedly arranged outside the wall body (1) at positions corresponding to the cracks (2) and the grouting holes (3).

2. The waterproofing structure for basement exterior walls according to claim 1, wherein: The outer waterproof layer comprises a waterproof coating layer (7), a waterproof roll material layer (8) and a waterproof protection layer (9) arranged in sequence from inside to outside, the waterproof coating layer (7) covers the surface of the filled wall body (1), the waterproof roll material layer (8) is arranged outside the waterproof coating layer (7), and the waterproof protection layer (9) is arranged outside the waterproof roll material layer (8).

3. The waterproofing structure for basement exterior walls according to claim 2, characterized in that: The waterproof coating layer (7) is polyurethane waterproof coating.

4. The waterproofing repair structure for basement exterior walls according to claim 2, characterized by: The waterproof roll material layer (8) is SBS modified asphalt waterproof roll material.

5. The waterproofing repair structure for basement exterior walls according to claim 2, characterized by: The waterproof protection layer (9) is polyethylene foam plastic plate.

6. The waterproofing repair structure for basement exterior walls according to claim 1, characterized by: The expansion waterstop (5) is arranged in the cracks (2) outside the basement wall body (1), and the sealant layer (6) covers the outside of the cracks (2) and is tightly attached to the wall body (1).

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