Basement top plate waterproof structure

Abstract

The utility model discloses a basement roof waterproof structure, and belongs to the technical field of basement roof waterproofing. Comprising a basement top plate, and waterproof slurry is injected into holes in the inner side of a leakage gap of the basement top plate; a first inclined hole and a second inclined hole are formed in two sides of the leakage gap of the basement top plate; a TLS rubber asphalt grouting layer is arranged on the top surface of the basement top plate; the TLS rubber asphalt grouting layer communicates with the first inclined hole and the second inclined hole. The bottom face of the basement top plate is coated with an epoxy primer layer in a roller coating mode. A quick-setting rubber asphalt waterproof coating is sprayed on the bottom surface of the epoxy primer layer; an anti-crack polymer mortar protective layer is poured on the bottom surface of the quick-setting rubber asphalt waterproof coating; and a decoration surface layer is arranged on the bottom surface of the anti-crack polymer mortar protection layer. According to the basement roof waterproof structure, the composite waterproof layer is adopted, the whole waterproof layer is evenly stressed, and the waterproof layer can be protected and repaired.

Description

Technical Field

[0001] The utility model specifically relates to a basement top plate waterproof structure, belonging to the technical field of basement top plate waterproofing. Background Art

[0002] Basements are usually used as civil air defense shelters and parking functions, and basement roofs are often used as supporting internal roads, swimming pools and green garden landscapes in residential areas; however, since most basements are reinforced concrete structures, if the basement structure seeps water for a long time, not only will a large amount of calcium in the concrete be lost, but the steel bars in the concrete will also be corroded, thereby destroying the integrity of the basement concrete structure, thereby affecting the stability and service life of the main structure; for this reason, Chinese Patent Publication No.: CN207739293U, a basement roof waterproof structure, which includes a basement waterproof concrete roof, a slope layer, a waterproof layer, a polymer protective drainage special-shaped sheet self-adhesive geotextile, a sand and gravel cushion layer, and a planting soil layer, which realizes zero-slope organized drainage, and the slope layer of the structure is arranged below the waterproof layer. Therefore, the stress surface of the waterproof layer is a slope structure. When the waterproof layer is subjected to top surface pressure, it is easy to cause stress concentration and damage the waterproof layer; in addition, the top surface of the waterproof layer of the above structure does not have a hard protective layer, and it is easy to impact the waterproof layer during the backfilling process of soil or other fillers, thereby causing waterproof failure. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a basement roof waterproof structure, which adopts a composite waterproof layer, the whole waterproof layer is evenly stressed, and the waterproof layer can be protected.

[0004] The utility model discloses a basement roof waterproof structure, comprising a basement roof, wherein the top surface of the basement roof is provided with a filling layer or an external waterproof module; the basement roof is provided with a hole at the inner side of a leakage gap and is injected with waterproof slurry; the basement roof is provided with a first inclined hole and a second inclined hole at both sides of the leakage gap; the top surface of the basement roof is provided with a TLS rubber asphalt grouting layer; the TLS rubber asphalt grouting layer is respectively connected with the first inclined hole and the second inclined hole; the bottom surface of the basement roof is roller-coated with an epoxy primer layer; the bottom surface of the epoxy primer layer is sprayed with a quick-setting rubber asphalt waterproof coating; the bottom surface of the quick-setting rubber asphalt waterproof coating is cast with an anti-cracking polymer mortar protective layer; the bottom surface of the anti-cracking polymer mortar protective layer is provided with a decorative surface layer.

[0005] The construction process of the basement roof waterproof structure is as follows:

[0006] (1) Clean and polish the base of the basement roof; remove and clean the finishing layer from the bottom of the original basement roof to the structural layer; use an angle grinder or other electric tools to polish the base surface, and deal with defects such as floating dust and protruding sharp objects on the base surface to ensure that the polished base surface is solid and flat without looseness, sanding, or peeling; and grout the leaking gaps and wait for the grout to solidify;

[0007] (2) Reconstruction of waterproof layer: Drill holes, open the first inclined hole and the second inclined hole on both sides of the leakage gap, penetrate the structural plate for grouting, and inject TLS rubber asphalt grouting liquid from the first inclined hole until the TLS rubber asphalt grouting liquid flows out from the second inclined hole on the other side to form a reconstructed waterproof layer;

[0008] (3) Primer: Epoxy primer layer is processed and roller coating is used on site to seal the basement roof. After it is completely dry, the next process is carried out. The epoxy primer layer can resist reverse water pressure and has good adhesion with the spray quick-setting coating.

[0009] (4) Waterproof spraying: Spray quick-setting rubber asphalt waterproof coating on the entire bottom surface of the epoxy primer layer, with a construction thickness of 3mm to ensure uniform thickness. Use needle puncture method or sampling inspection; the number of sampling inspection batches for the coating waterproof layer sub-project inspection batches should be based on the coating area per 100m 2 One spot check shall be conducted and no less than three spots shall be conducted;

[0010] (5) Construction of anti-cracking polymer mortar protective layer, using anti-cracking polymer mortar (with steel wire mesh in the middle); after curing, proceed to the next process;

[0011] (6) Decorative surface layer: The decorative surface layer is constructed and fixed to the bottom surface of the anti-cracking polymer mortar protective layer.

[0012] Furthermore, the external waterproof module includes a polished surface arranged on the top surface of the basement roof, and further includes:

[0013] The basement top plate, wherein the top surface of the basement top plate is provided with a polished surface; the basement top plate is constructed after curing and solidification, and the loose concrete and laitance on the top surface of the basement top plate are polished by a shot blasting machine to obtain a polished surface;

[0014] Spraying a quick-setting rubber asphalt waterproof coating, wherein the sprayed quick-setting rubber asphalt waterproof coating is sprayed on the top surface of the polished surface; after the basement top plate is processed to obtain a polished surface, a 2 mm thick polymer cement-based waterproof coating is brushed on the polished surface, and the coating is evenly applied by roller, and the roller coating is divided into 2 to 3 times to obtain the sprayed quick-setting rubber asphalt waterproof coating;

[0015] SBS root puncture resistant waterproofing membrane, the SBS root puncture resistant waterproofing membrane is attached to the top surface of the sprayed quick-setting rubber asphalt waterproofing coating; an overlap portion is provided between adjacent SBS root puncture resistant waterproofing membranes; after the sprayed quick-setting rubber asphalt waterproofing coating is completed and cured, the SBS root puncture resistant waterproofing membrane is paved, and the overlap portion is paved between adjacent SBS root puncture resistant waterproofing membranes, so that the adjacent SBS root puncture resistant waterproofing membranes are overlapped and then bonded;

[0016] A rubber asphalt waterproof coating, wherein the rubber asphalt waterproof coating is sprayed between adjacent overlapping parts; the rubber asphalt waterproof coating is made of TLS rubber asphalt slurry; the top surface of the rubber asphalt waterproof coating is flush with the top surface of the overlapping part or protrudes from the top surface of the overlapping part by 1-2 mm; after the SBS root puncture resistant waterproof membrane is paved, TLS rubber asphalt grouting liquid is firstly rolled between the overlapping parts by roller coating, and then the TLS rubber asphalt grouting liquid is rolled for a second time, and during the second rolling, the TLS rubber asphalt grouting liquid is coated on the top surface of the TLS rubber asphalt grouting liquid rolled once and the top surface of the overlapping part to obtain the rubber asphalt waterproof coating;

[0017] A polyester non-woven fabric isolation layer, wherein the polyester non-woven fabric isolation layer is bonded to the top surface of the rubber asphalt waterproof coating; finally, the polyester non-woven fabric isolation layer is attached to the top surface of the rubber asphalt waterproof coating;

[0018] The slope leveling layer includes a concrete base with a steel mesh cast inside the concrete base. After the polyester non-woven fabric isolation layer is laid, pads are placed on the top surface of the polyester non-woven fabric isolation layer, and then the steel mesh is placed on the pads. When the concrete base is poured, ready-mixed commercial concrete is used for continuous pouring. The concrete mix ratio is calculated and provided by a commercial concrete mixing station and confirmed by a testing laboratory to ensure that the concrete strength and water-resistance grade meet the design requirements. No early strength agent is added to the concrete.

[0019] Furthermore, the sprayed quick-setting rubber asphalt waterproof coating has a thickness of 2 mm; the SBS root-penetration-resistant waterproof membrane has a thickness of 4 mm; the steel mesh is formed by welding or binding φ6 steel bars, and the mesh size of the steel mesh is 200×200 mm.

[0020] Furthermore, an intermediate reinforcement strip with a width of 20 to 25 mm is arranged between adjacent overlapping parts, and the intermediate reinforcement strip is made by cutting SBS root-penetration-resistant waterproof membrane; the SBS root-penetration-resistant waterproof membrane is reinforced by the intermediate reinforcement strip, and the extrusion stroke of the TLS rubber asphalt grouting liquid is shortened; the TLS rubber asphalt grouting liquid can be wrapped around the overlapping parts.

[0021] Furthermore, a backfill layer is provided on the top surface of the slope layer, and a HDPE anti-drainage protection sheet is laid between the backfill layer and the slope layer; the HDPE anti-drainage protection sheet is arranged in swimming pools and green garden landscape areas with stable load and high humidity. For example, the model of the HDPE anti-drainage protection sheet used is Qifeng anti-drainage protection sheet, which has certain flexibility and excellent impact resistance and tear resistance, is resistant to scratches by sharp objects, is not easily damaged during backfilling, and has low water absorption, excellent aging resistance and chemical corrosion resistance, and can provide reliable protection for the waterproof layer in a complex underground environment; the HDPE anti-drainage protection sheet is arranged to drain the outside of the slope layer to prevent moisture from infiltrating into the inner side of the slope layer.

[0022] Furthermore, the concrete base includes a concrete base, the steel mesh is cast on the inner surface of the concrete base, the top surface of the concrete base is a plane structure, and a slope layer is arranged on the top surface of the concrete base; glass fiber cloth is cast inside the slope layer; the concrete base is applied to internal roads and other areas that are susceptible to large loads, and a dual force structure is adopted, wherein the concrete base and the composite waterproof layer are both plane structures, and a steel mesh is cast inside the concrete base, which can fully cover and protect the composite waterproof layer; the slope layer on the top surface of the concrete base is first subjected to external load stress; and pre-stress dispersion is carried out through glass fiber cloth, and the external load is subjected to stress dispersion of different systems of glass fiber cloth and steel mesh, so that the load stress transmitted to the basement roof has been fully dispersed, thereby avoiding cracking of the basement roof and damaging the sprayed quick-setting rubber asphalt waterproof coating.

[0023] Compared with the prior art, the basement roof waterproof structure of the utility model adopts a composite waterproof layer, and the stress-bearing surface of the entire composite waterproof layer is a plane structure, and the stress is more stable; when a leakage gap appears, a waterproof surface is established around the leakage gap by reshaping the waterproof layer, and the reshaping waterproof layer adopts TLS rubber asphalt grouting liquid; it is suitable for a variety of different types of strata and geological conditions, and can penetrate between the basement roof and the external waterproof module, and fill cracks, pores and voids, so as to achieve the effect of reinforcement and waterproofing; TLS rubber asphalt grouting liquid can form a solid three-dimensional mesh structure, which has a long-term waterproof effect;

[0024] During the construction of the external waterproof module, a waterproof layer is first formed on the top surface of the basement roof by roller coating of polymer cement-based waterproof coating, and a second layer of protection is provided by SBS root-piercing waterproof membrane on the sprayed quick-setting rubber asphalt waterproof coating, and TLS rubber asphalt grouting liquid is arranged between the overlapping parts of the SBS root-piercing waterproof membrane. The TLS rubber asphalt grouting liquid is subjected to the pressure of the slope finding layer and can be fully filled into the SBS root-piercing waterproof membrane. When the SBS root-piercing waterproof membrane is subjected to the backfill load, the basement structure is subjected to the external load, and is affected by the temperature, acid-base environment and water-soil environment, when the adjacent SBS root-piercing waterproof membranes are pulled or damaged points appear, the TLS rubber asphalt grouting liquid is always maintained after construction. It is in its original gel-like state and will not solidify. The solidified material content is greater than 98% and there is almost no volatile matter. It has good flexibility and high elongation, and strong self-healing ability. It can repair the damaged part of the waterproof layer by itself, and realize on-site self-repair of damaged points or displacement devices, so that the basement roof always has a waterproof function. In addition, for swimming pools and green garden landscape areas, HDPE drainage protection plates can be installed to drain the external slope layer to prevent water from infiltrating into the inner side of the slope layer. For internal roads and other areas that are prone to large loads, glass fiber cloth can be installed to disperse the load, and the basement roof is subjected to dispersed stress loads, which can avoid cracking of the basement roof and damage to the sprayed quick-setting rubber asphalt waterproof coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the bottom surface structure of the basement top plate of the utility model.

[0026] Figure 2 For the utility model Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0027] Figure 3 This is a schematic diagram of the overall structure of Example 1 of the present utility model.

[0028] Figure 4 For the utility model Figure 1 Schematic diagram of the local enlarged structure at point B in the middle.

[0029] Figure 5 This is a schematic diagram of the overall structure of Example 2 of the present utility model.

[0030] Figure 6 This is a schematic diagram of the overall structure of Example 3 of the utility model.

[0031] Figure 7 This is a schematic diagram of the overall structure of Example 4 of the present utility model.

[0032] Figure numerals: 1. Basement roof, 2. Sprayed quick-setting rubber asphalt waterproof coating, 3. SBS root penetration resistant waterproof membrane, 4. Overlap, 5. Rubber asphalt waterproof coating, 6. Polyester non-woven fabric isolation layer, 7. Concrete base, 8. Steel mesh, 9. Middle reinforcement strip, 10. Backfill layer, 11. HDPE drainage protection plate, 12. Concrete base, 13. Slope layer, 14. Fiberglass cloth, 15. Leakage gap, 16. First inclined hole, 17. Second inclined hole, 18. TLS rubber asphalt grouting layer, 19. Epoxy primer layer, 20. Quick-setting rubber asphalt waterproof coating, 21. Anti-cracking polymer mortar protective layer, 22. Decoration surface layer. DETAILED DESCRIPTION

[0033] Embodiment 1:

[0034] like Figures 1 to 4 The basement roof waterproofing structure shown comprises a basement roof 1, wherein the top surface of the basement roof 1 is provided with a fill layer or an external waterproofing module; the basement roof 1 has a hole opened inside a leakage gap 15 and is injected with waterproof slurry; the basement roof 1 has a first inclined hole 16 and a second inclined hole 17 opened on both sides of the leakage gap 15; a TLS rubber asphalt grouting layer 18 is provided on the top surface of the basement roof 1; the TLS rubber asphalt grouting layer 18 is connected with the first inclined hole 16 and the second inclined hole 17 respectively; the bottom surface of the basement roof 1 is roller-coated with an epoxy primer layer 19; the bottom surface of the epoxy primer layer 19 is sprayed with a quick-setting rubber asphalt waterproofing coating 20; the bottom surface of the quick-setting rubber asphalt waterproofing coating 20 is cast with an anti-cracking polymer mortar protective layer 21; the bottom surface of the anti-cracking polymer mortar protective layer 21 is provided with a decorative surface layer 22.

[0035] The construction process of the waterproof structure of the basement top plate 1 is as follows:

[0036] (1) Clean and polish the base of the basement top plate 1; remove and clean the finishing layer from the bottom of the original basement top plate 1 to the structural layer; use an angle grinder or other electric tools to polish the base surface, and deal with defects such as floating dust and protruding sharp objects on the base surface to ensure that the polished base surface is solid and flat without looseness, sanding, or peeling; and inject grout into the leakage gap 15 and wait for the grout to solidify;

[0037] (2) Reconstructing the waterproof layer: drilling holes, opening a first inclined hole 16 and a second inclined hole 17 on both sides of the leakage gap 15, penetrating the structural plate for grouting, and injecting TLS rubber asphalt grouting liquid from the first inclined hole 16 until the TLS rubber asphalt grouting liquid flows out from the second inclined hole 17 on the other side, thereby forming a reconstructed waterproof layer;

[0038] (3) Primer: Epoxy primer layer 19 is processed and roller coating is used on site to seal the bottom surface of the basement top plate 1. After it is completely dry, the next process is carried out. The epoxy primer layer 19 resists reverse water pressure and has good adhesion with the spray quick-setting coating.

[0039] (4) Waterproof spraying: The bottom surface of the epoxy primer layer 19 is sprayed with quick-setting rubber asphalt waterproof coating 20, with a construction thickness of 3 mm. Ensure that the thickness is uniform and consistent. Use the needle puncture method or sampling inspection; the number of sampling inspections for the inspection batch of the coating waterproof layer sub-project should be based on the coating area per 100m 2 One spot check shall be conducted and no less than three spots shall be conducted;

[0040] (5) Construction of the anti-cracking polymer mortar protective layer 21, using anti-cracking polymer mortar (with steel wire mesh in it); after solidification, the next step of construction is carried out;

[0041] (6) Decorative surface layer 22: The decorative surface layer 22 is constructed and fixed to the bottom surface of the anti-cracking polymer mortar protective layer 21.

[0042] The external waterproof module includes a polished surface arranged on the top surface of the basement top plate 1. The basement top plate 1 is constructed after curing and solidification. The loose concrete and slurry on the top surface of the basement top plate 1 are polished by a shot blasting machine to obtain the polished surface; and further includes:

[0043] Spraying a quick-setting rubber asphalt waterproof coating 2, wherein the sprayed quick-setting rubber asphalt waterproof coating 2 is sprayed on the top surface of the polished surface; after the basement top plate 1 is processed to obtain a polished surface, a 2 mm thick polymer cement-based waterproof coating is brushed on the polished surface, and the coating is evenly applied by roller, and the roller coating is divided into 2 to 3 times to obtain the sprayed quick-setting rubber asphalt waterproof coating 2;

[0044] SBS root puncture resistant waterproofing membrane 3, the SBS root puncture resistant waterproofing membrane 3 is attached to the top surface of the sprayed quick-setting rubber asphalt waterproofing coating 2; an overlap 4 is provided between adjacent SBS root puncture resistant waterproofing membranes 3; after the sprayed quick-setting rubber asphalt waterproofing coating 2 is completed and cured, the SBS root puncture resistant waterproofing membrane 3 is paved, and the overlap 4 is paved between adjacent SBS root puncture resistant waterproofing membranes 3, so that the adjacent SBS root puncture resistant waterproofing membranes 3 are overlapped and then bonded;

[0045] A rubber asphalt waterproof coating 5, wherein the rubber asphalt waterproof coating 5 is sprayed between adjacent overlaps 4; the rubber asphalt waterproof coating 5 is made of TLS rubber asphalt slurry; the top surface of the rubber asphalt waterproof coating 5 is flush with the top surface of the overlap 4 or protrudes from the top surface of the overlap 4 by 1-2 mm; after the SBS root-penetration-resistant waterproof membrane 3 is paved, TLS rubber asphalt grouting liquid is firstly rolled between the overlaps 4 by roller coating, and then TLS rubber asphalt slurry is rolled for a second time, and during the second rolling, the TLS rubber asphalt grouting liquid is coated on the top surface of the first rolling TLS rubber asphalt grouting liquid and the top surface of the overlap 4 to obtain the rubber asphalt waterproof coating 5;

[0046] A polyester non-woven fabric isolation layer 6, wherein the polyester non-woven fabric isolation layer 6 is bonded to the top surface of the rubber asphalt waterproof coating 5; finally, the polyester non-woven fabric isolation layer 6 is bonded to the top surface of the rubber asphalt waterproof coating 5;

[0047] The slope leveling layer includes a concrete base 7, and a steel mesh 8 is cast inside the concrete base 7. After the polyester non-woven fabric isolation layer 6 is laid, pads are placed on the top surface of the polyester non-woven fabric isolation layer 6, and then the steel mesh 8 is placed on the pads. When the concrete base 7 is poured, ready-mixed commercial concrete is used for continuous pouring. The concrete mix ratio is calculated and provided by the commercial concrete mixing station and confirmed by the testing laboratory to ensure that the concrete strength and water-resistance grade meet the design requirements. No early strength agent is added to the concrete.

[0048] The sprayed quick-setting rubber asphalt waterproof coating 2 has a thickness of 2 mm; the SBS root-penetration-resistant waterproof membrane 3 has a thickness of 4 mm; the steel mesh 8 is formed by welding or binding φ6 steel bars, and the mesh size of the steel mesh 8 is 200×200 mm.

[0049] Embodiment 2:

[0050] like Figure 5 In the basement roof waterproofing structure shown, an intermediate reinforcement strip 9 with a width of 20~25mm is arranged between adjacent overlapping parts 4, and the intermediate reinforcement strip 9 is made by cutting SBS root penetration resistant waterproof membrane 3; the SBS root penetration resistant waterproof membrane 3 is reinforced by the intermediate reinforcement strip 9, and the extrusion stroke of TLS rubber asphalt grouting liquid is shortened; the TLS rubber asphalt grouting liquid can be wrapped around the overlapping part 4.

[0051] Embodiment 3:

[0052] like Figure 6In the basement roof waterproof structure shown in the figure, a backfill layer 10 is arranged on the top surface of the slope layer, and a HDPE anti-drainage protection plate 11 is laid between the backfill layer 10 and the slope layer; the HDPE anti-drainage protection plate 11 is arranged in the swimming pool and green garden landscape area with stable load and high humidity. For example, the HDPE anti-drainage protection plate 11 uses a Qifeng anti-drainage protection plate, which has certain flexibility and excellent impact and tear resistance, is resistant to scratches by sharp objects, is not easily damaged during backfilling, and has low water absorption, and excellent aging and chemical corrosion resistance, and can provide reliable protection for the waterproof layer in a complex underground environment; the HDPE anti-drainage protection plate 11 is arranged to drain the outside of the slope layer to prevent moisture from infiltrating into the inner side of the slope layer.

[0053] Embodiment 4:

[0054] like Figure 7 In the basement top slab waterproof structure shown in the figure, the concrete base 7 includes a concrete base 12, the steel mesh 8 is cast on the inner surface of the concrete base 12, the top surface of the concrete base 12 is a plane structure, and a slope layer 13 is arranged on the top surface of the concrete base 12; a glass fiber cloth 14 is cast inside the slope layer 13; the concrete base 7 is applied to internal roads and other areas that are susceptible to large loads, and adopts a double force structure, wherein the concrete base 12 and the composite waterproof layer are both plane structures, and the steel mesh 8 is cast inside the concrete base 12, which can fully cover and protect the composite waterproof layer; the slope layer 13 on the top surface of the concrete base 12 is first subjected to external load stress; and the glass fiber cloth 14 is used for pre-stress dispersion, and the external load is subjected to stress dispersion of different systems of the glass fiber cloth 14 and the steel mesh 8, so that the load stress transmitted to the basement top slab 1 has been fully dispersed, thereby avoiding cracking and damaging the sprayed quick-setting rubber asphalt waterproof coating 2 of the basement top slab 1.

[0055] The above embodiments are only preferred implementations of the present invention, so any equivalent changes or modifications made according to the structures, features and principles described in the scope of application of the present invention are included in the scope of application of the present invention.

Claims

1. A basement roof waterproof structure, characterized by: It includes a basement top plate, wherein the top surface of the basement top plate is provided with a fill layer or an external waterproof module; The basement roof has holes opened on the inner side of the leakage gap and is injected with waterproof slurry; the basement roof has a first inclined hole and a second inclined hole opened on both sides of the leakage gap; a TLS rubber asphalt grouting layer is arranged on the top surface of the basement roof; the TLS rubber asphalt grouting layer is connected with the first inclined hole and the second inclined hole respectively; the bottom surface of the basement roof is roller-coated with an epoxy primer layer; the bottom surface of the epoxy primer layer is sprayed with a quick-setting rubber asphalt waterproof coating; an anti-cracking polymer mortar protective layer is cast on the bottom surface of the quick-setting rubber asphalt waterproof coating; a decorative surface layer is arranged on the bottom surface of the anti-cracking polymer mortar protective layer.

2. The basement roof waterproof structure according to claim 1, characterized in that: The external waterproof module includes a polished surface disposed on the top surface of the basement roof, and further includes: Spraying a quick-setting rubber asphalt waterproof coating, wherein the quick-setting rubber asphalt waterproof coating is sprayed on the top surface of the polished surface; SBS root puncture resistant waterproofing membrane, the SBS root puncture resistant waterproofing membrane is attached to the top surface of the sprayed quick-setting rubber asphalt waterproofing coating; overlapping parts are provided between adjacent SBS root puncture resistant waterproofing membranes; A rubber asphalt waterproof coating, wherein the rubber asphalt waterproof coating is sprayed between adjacent overlapping parts; the rubber asphalt waterproof coating is made of TLS rubber asphalt slurry; the top surface of the rubber asphalt waterproof coating is flush with the top surface of the overlapping part or protrudes from the top surface of the overlapping part by 1-2 mm; A polyester non-woven fabric isolation layer, wherein the polyester non-woven fabric isolation layer is bonded to the top surface of the rubber asphalt waterproof coating; The slope leveling layer comprises a concrete matrix, and a steel mesh is cast inside the concrete matrix.

3. The basement roof waterproof structure according to claim 2 is characterized in that: The sprayed quick-setting rubber asphalt waterproof coating has a thickness of 2 mm; the SBS root-penetration-resistant waterproof membrane has a thickness of 4 mm; the steel mesh is formed by welding or binding φ6 steel bars, and the mesh size of the steel mesh is 200×200 mm.

4. The basement roof waterproof structure according to claim 2, characterized in that: An intermediate reinforcement strip with a width of 20 to 25 mm is arranged between adjacent overlapping portions, and the intermediate reinforcement strip is made by cutting SBS root-penetration-resistant waterproof membrane.

5. The basement roof waterproof structure according to claim 2, characterized in that: A backfill layer is arranged on the top surface of the slope leveling layer, and a HDPE anti-drainage protection sheet is laid between the backfill layer and the slope leveling layer.

6. The basement roof waterproof structure according to claim 2, characterized in that: The concrete base comprises a concrete base, the steel mesh is cast on the inner surface of the concrete base, the top surface of the concrete base is a plane structure, and a slope layer is arranged on the top surface of the concrete base; glass fiber cloth is cast inside the slope layer.

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