Roof waterproofing repair structure and roof waterproofing repair method

Abstract

The application discloses a roof waterproof maintenance structure and a roof waterproof maintenance method. The roof waterproof maintenance structure comprises a first annular excavation groove, a grouting layer and a first waterproof layer. The first annular excavation groove is arranged around the outer circumferential side of the equipment and is dug on the original roof. The bottom wall of the first annular excavation groove is the original structure layer. The first annular excavation groove divides the original roof into an in-groove side roof and an out-groove side roof. The grouting layer comprises a connected inner surrounding grouting layer and a ring-groove grouting layer. The inner surrounding grouting layer is arranged between the original thermal insulation layer and the original structure layer of the in-groove side roof. The ring-groove grouting layer is arranged on the original structure layer of the annular excavation groove. The first waterproof layer is continuously covered on the ring-groove grouting layer, the outer ring side wall of the first annular excavation groove and the out-groove side roof and is overlapped with the ring-groove grouting layer. The roof waterproof maintenance structure and the roof waterproof maintenance method have good waterproof effect, can reduce the maintenance cost and the construction difficulty, and have good construction period benefit and quality benefit.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roof waterproofing, in particular to a roof waterproofing maintenance structure and a roof waterproofing maintenance method. BACKGROUND

[0002] Currently, the non-movable equipment on the roof, including but not limited to air conditioner outdoor unit and commercial ventilation equipment, is too close to the ground or directly falls on the base surface. When the roof is waterproofed, the equipment is a blind spot for maintenance. The current maintenance method for this area is to remove the existing structure of the roof, retain the existing waterproof layer under the equipment, and then construct a new waterproof layer that is overlapped with the existing waterproof layer under the equipment. The existing technology is limited to the case where the waterproof layer under the existing equipment is intact and the damage point is not in this area. If the waterproof layer under the equipment is damaged, this method cannot solve the fundamental problem. Moreover, the entire roof has a new waterproof layer, and the existing waterproof layer under the equipment is overlapped with the new waterproof layer. The aging of the original waterproof layer may result in poor overlapping effect and large leakage risks. SUMMARY

[0003] The present application aims to overcome the above technical problems and provide a roof waterproofing maintenance structure and a roof waterproofing maintenance method, which have good waterproofing effect, can reduce maintenance cost and construction difficulty, and have good schedule benefit and quality benefit.

[0004] To achieve the above-mentioned purpose, the present application provides a roof waterproofing maintenance structure, wherein the original roof is provided with equipment and includes an original structure layer, an original insulation layer, an original waterproof layer, and an original protection layer arranged from bottom to top. The roof waterproofing maintenance structure comprises:

[0005] a first annular excavation groove, which is excavated on the original roof and arranged around the outer peripheral side of the equipment, the bottom wall of the first annular excavation groove being the original structure layer, and the first annular excavation groove dividing the original roof into an in-groove side roof and an out-groove side roof;

[0006] a grouting layer, which includes an inner-annular grouting layer and an annular-groove grouting layer connected to each other, the inner-annular grouting layer being arranged between the original insulation layer and the original structure layer of the in-groove side roof, and the annular-groove grouting layer being arranged on the original structure layer of the annular excavation groove; and

[0007] a first waterproof layer, which is continuously capped on the annular-groove grouting layer, the outer annular side wall of the first annular excavation groove, and the out-groove side roof, and is overlapped with the annular-groove grouting layer.

[0008] Further, the first waterproof layer of the first annular excavation groove can be sequentially provided with a new insulation layer and a new protection layer from bottom to top.

[0009] Further, the roof waterproofing maintenance structure can further comprise:

[0010] a second annular excavation trench excavated on the inner side of the roof between the first annular excavation trench and the equipment, the bottom wall of the second annular excavation trench being the original waterproof layer, a new protective layer being arranged in the second annular excavation trench, the second annular excavation trench being communicated with the first annular excavation trench, and the new protective layer of the second annular excavation trench being connected with the new protective layer of the first annular excavation trench; and

[0011] a second waterproof layer arranged between the new protective layer and the original waterproof layer in the second annular excavation trench to overlap the original waterproof layer at one end, and sequentially covering the inner ring side wall of the second annular excavation trench and the new protective layer and overlapping the first waterproof layer of the outer side roof at the other end.

[0012] Optionally, the second waterproof layer is a waterproof roll material and is hot-melt overlapped or self-adhesive overlapped with the original waterproof layer.

[0013] And / or, the second waterproof layer is a waterproof roll material and is hot-melt overlapped or self-adhesive overlapped with the first waterproof layer.

[0014] Further, the roof waterproof maintenance structure can further comprise:

[0015] a grouting hole arranged in the original structure layer of the inner side roof and penetrating the original structure layer from bottom to top, the grouting hole being used for grouting between the original insulation layer and the original structure layer of the inner side roof to form an inner grouting layer.

[0016] Further, the grouting hole can be provided with a plurality of grouting holes arranged in an array.

[0017] And / or, the material of the grouting layer can be non-cured asphalt waterproof coating or rubber asphalt waterproof coating.

[0018] And / or, the grouting hole can be provided with a plugging material.

[0019] In addition, the equipment is an immovable equipment.

[0020] And / or, the original roof can further be provided with an original slope layer between the original insulation layer and the original waterproof layer.

[0021] And / or, the first waterproof layer is a waterproof roll material and is hot-melt overlapped or self-adhesive overlapped with the annular trench grouting layer.

[0022] In addition, the present application also provides a roof waterproof maintenance method for obtaining the roof waterproof maintenance structure, the roof waterproof maintenance method comprising:

[0023] S1, excavating the outer peripheral side of the equipment on the original roof to the original structure layer to form a first annular excavation trench;

[0024] S2, injecting grouting material between the original structure layer and the original insulation layer of the inner side roof to form an inner grouting layer;

[0025] S3, laying grouting material on the original structure layer of the first annular excavation trench to form an annular trench grouting layer connected with the inner surrounding grouting layer;

[0026] S4, continuously laying a first waterproof layer on the annular trench grouting layer, the outer ring side wall of the first annular excavation trench and the outer side roof of the trench, the first waterproof layer being overlapped with the annular trench grouting layer.

[0027] In some embodiments, the roof waterproof maintenance method can further comprise:

[0028] S5, sequentially laying a new insulation layer and a new protection layer from bottom to top above the first waterproof layer of the first annular excavation trench.

[0029] Optionally, S5 can further comprise:

[0030] excavating the inner side roof of the trench between the first annular excavation trench and the equipment and excavating to the original waterproof layer to form a second annular excavation trench, the second annular excavation trench being communicated with the first annular excavation trench, sequentially laying an end of a second waterproof layer and a new protection layer from bottom to top above the original waterproof layer of the second annular excavation trench, the original waterproof layer of the second annular excavation trench being overlapped with the second waterproof layer, the other end of the second waterproof layer being overlapped with the first waterproof layer of the outer side roof of the trench and covering the inner ring side wall of the second annular excavation trench and the new protection layer in sequence.

[0031] Optionally, the second waterproof layer is a waterproof roll material and is hot-melt overlapped or self-adhesive overlapped with the original waterproof layer;

[0032] and / or, the second waterproof layer is a waterproof roll material and is hot-melt overlapped or self-adhesive overlapped with the first waterproof layer.

[0033] Further, S2 can comprise:

[0034] S21, drilling a hole from bottom to top in the original structure layer under the inner side roof of the trench to obtain a grouting hole, the grouting hole penetrating through the original structure layer from bottom to top;

[0035] S22, injecting grouting material between the original structure layer and the original insulation layer of the inner side roof of the trench through the grouting hole until the grouting material stops overflowing from the inner side roof of the trench radially outward to the first annular excavation trench to form an inner surrounding grouting layer;

[0036] S23, plugging the grouting hole.

[0037] Still further, the grouting hole in S21 can be provided with a plurality of grouting holes and arranged in an array.

[0038] Optionally, S22 can further comprise:

[0039] The upward grouting of the grouting holes is performed one by one until the grouting material overflows to the adjacent grouting hole, the grouting of the current grouting hole is stopped, and the grouting of the next grouting hole is started until the last one.

[0040] The upward grouting of the grouting hole is performed until the grouting material overflows from the slot inside roof to the first annular excavation slot radially outward and the grouting is stopped.

[0041] In some embodiments, the material of the grouting layer can be non-cured asphalt waterproof coating or rubber asphalt waterproof coating.

[0042] And / or, the equipment is a non-movable equipment.

[0043] And / or, the grouting material of the inner grouting layer is the same as that of the annular grouting layer.

[0044] And / or, the first waterproof layer is a waterproof roll material and is hot melt or self-adhesive jointed with the annular grouting layer.

[0045] The roof waterproof maintenance structure obtained by the roof waterproof maintenance method of the present application comprises a first annular excavation slot, a grouting layer and a first waterproof layer, the first annular excavation slot is arranged around the outer peripheral side of the equipment and is excavated on the original roof, the bottom wall of the first annular excavation slot is the original structure layer, the first annular excavation slot divides the original roof into a slot inside roof and a slot outside roof, the grouting layer comprises a connected inner grouting layer and annular grouting layer, the inner grouting layer is arranged between the original insulation layer and the original structure layer of the slot inside roof, the annular grouting layer is arranged on the original structure layer of the annular excavation slot, and the first waterproof layer is continuously capped on the annular grouting layer, the outer ring side wall of the first annular excavation slot and the slot outside roof and is jointed with the annular grouting layer. In this way, by excavating the first annular excavation slot around the outer peripheral side of the equipment on the original roof, arranging the connected grouting layer in the slot inside roof and the first annular excavation slot, and jointing the first waterproof layer on the annular grouting layer, the first waterproof layer is continuously capped on the annular grouting layer, the outer ring side wall of the first annular excavation slot and the slot outside roof, the problems of affecting the normal construction of the building and the discontinuity of the maintenance area can be avoided, the leakage maintenance cost is greatly reduced, the construction difficulty of the workers is greatly reduced, and good schedule benefit and quality benefit are obtained.

[0046] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0047] The accompanying drawings are included to provide a further understanding of the present application and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0048] Figure 1A structural schematic view of a first annular excavation trench of a roof waterproofing maintenance method according to the present application is shown.

[0049] Figure 2 A structural schematic view of a first annular excavation trench of a roof waterproofing maintenance method according to the present application is shown.

[0050] Figure 3 A structural schematic view of a first annular excavation trench, a grouting hole and an inner grouting layer of a roof waterproofing maintenance method according to the present application is shown.

[0051] Figure 4 A structural schematic view of a grouting hole of a roof waterproofing maintenance method according to the present application is shown.

[0052] Figure 5 A structural schematic view of a first annular excavation trench of a roof waterproofing maintenance method according to the present application is shown.

[0053] Figure 6 A structural schematic view of a first annular excavation trench of a roof waterproofing maintenance method according to the present application is shown.

[0054] BRIEF DESCRIPTION OF DRAWINGS

[0055] 101 trench inner side roof 102 trench outer side roof

[0056] 11 original structure layer 12 original thermal insulation layer

[0057] 13 original waterproof layer 14 original protective layer

[0058] 15 original slope layer 21 first annular excavation trench

[0059] 22 inner grouting layer 23 annular trench grouting layer

[0060] 24 first waterproof layer 25 new thermal insulation layer

[0061] 26 new protective layer 27 second annular excavation trench

[0062] 28 second waterproof layer 29 grouting hole

[0063] 20 new slope layer 3 equipment DETAILED DESCRIPTION

[0064] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0065] In the present application, the orientation words such as "upper", "lower", "top", "bottom" used without the contrary description are generally the orientation words for the directions shown in the drawings or the mutual position relationship description words of the components in the vertical, perpendicular or gravity direction. Among them, "front" and "back" are the position relationship words of the parts of the product relative to the use angle of the user, the side close to the user is "front", and the side away from the user is "back".

[0066] In the prior art, when the roof is provided with immovable equipment such as air conditioner outdoor unit, commercial ventilation equipment and the like, the roof at the equipment placement position is a maintenance blind spot during waterproof maintenance of the roof. If the waterproof maintenance is carried out after the equipment is removed, the engineering quantity is large, the construction period is long, and the maintenance cost is high; if the waterproof maintenance is carried out without removing the equipment, when the original waterproof layer is damaged, the existing waterproof maintenance structure still has leakage risks.

[0067] Therefore, the inventors of the present application have continuously thought and provided a novel roof waterproof maintenance structure. Generally, as shown in the prior art, Figure 1 The roof waterproof maintenance structure of the present application comprises a first annular excavation groove 21, a grouting layer and a first waterproof layer 24. The first annular excavation groove 21 is excavated on the original roof and surrounds the outer peripheral side of the equipment 3, the bottom wall of the first annular excavation groove 21 is the original structure layer 11, and the first annular excavation groove 21 divides the original roof into an in-groove side roof 101 and an out-groove side roof 102. The grouting layer comprises a connected inner-encircling grouting layer 22 and a ring-groove grouting layer 23, the inner-encircling grouting layer 22 is arranged between the original structure layer 11 and the original structure layer 11 of the in-groove side roof 101, and the ring-groove grouting layer 23 is arranged on the original structure layer 11 of the first annular excavation groove 21. The first waterproof layer 24 is continuously capped on the ring-groove grouting layer 23, the outer ring side wall of the first annular excavation groove 21 and the out-groove side roof 102 and is overlapped with the ring-groove grouting layer 23.

[0068] In this way, by excavating the first annular excavation groove 21 on the outer peripheral side of the equipment 3 on the original roof, arranging the connected grouting layer in the in-groove side roof 101 and the first annular excavation groove 21, and overlapping the first waterproof layer 24 on the ring-groove grouting layer 23, the first waterproof layer 24 is continuously capped on the ring-groove grouting layer 23, the outer ring side wall of the first annular excavation groove 21 and the out-groove side roof 102, so that a continuous waterproof structure can be formed under the equipment 3 without removing the equipment 3, avoiding the problems of affecting the normal construction of the building and the discontinuity of the maintenance area caused by the roof moving machine and the like, greatly reducing the leakage maintenance cost, and also greatly reducing the construction difficulty of the workers, having good construction period benefit and quality benefit.

[0069] Specifically, asFigure 5 As shown, since the roof is provided with the immovable equipment 3, in order to carry out waterproof maintenance on the roof, a first annular excavation groove 21 is excavated around the equipment 3, and the outer peripheral shape of the first annular excavation groove 21 can be rectangular or can be determined according to the specific outer peripheral contour shape of the equipment 3. The first annular excavation groove 21 is excavated to the original structural layer 11, and the original roof is divided into a groove inside roof 101 located inside the first annular excavation groove 21 and a groove outside roof 102 located outside the first annular excavation groove 21. An inner-enclosing grouting layer 22 is arranged between the original structural layer 11 and the original thermal insulation layer 12 of the groove inside roof 101, and the inner-enclosing grouting layer 22 is a continuous waterproof structure of the groove inside roof 101, so as to prevent water on the roof at the position of the equipment 3 from seeping downward. An annular groove grouting layer 23 is also arranged on the original structural layer 11 of the groove inside roof 101, and the annular groove grouting layer 23 is connected with the inner-enclosing grouting layer 22, so as to form a continuous waterproof structure of the first annular excavation groove 21 and the groove inside roof 101. An inner end of a first waterproof layer 24 is overlapped on the annular groove grouting layer 23, and an outer end of the first waterproof layer 24 is sequentially covered on the outer side groove wall of the first annular excavation groove 21 and the groove outside roof 102, so as to form a continuous waterproof layer on the groove inside roof 101, the first annular excavation groove 21 and the groove outside roof 102.

[0070] Optionally, in order to better perfect the waterproof maintenance structure of the roof, as shown in FIG. 2, the waterproof maintenance structure of the roof can further include a second annular excavation groove 27 and a second waterproof layer 28. Figure 6 As shown, the first waterproof layer 24 of the first annular excavation groove 21 is sequentially arranged from bottom to top with a new thermal insulation layer 25 and a new protective layer 26. That is, the first annular excavation groove 21 is filled and restored according to the original design structure of the original roof.

[0071] In some embodiments, as shown in FIG. 2, the waterproof maintenance structure of the roof can further include a second annular excavation groove 27 and a second waterproof layer 28. Figure 6 As shown, the first waterproof layer 24 of the first annular excavation groove 21 is sequentially arranged from bottom to top with a new thermal insulation layer 25 and a new protective layer 26. That is, the first annular excavation groove 21 is filled and restored according to the original design structure of the original roof.

[0072] Optionally, the second waterproof layer 28 is a waterproof roll material, and the second waterproof layer 28 is overlapped with the original waterproof layer 13 by hot-melt or by self-adhesion, and the second waterproof layer 28 is overlapped with the first waterproof layer 24 by hot-melt or by self-adhesion.

[0073] Further, the roof waterproof maintenance structure can further comprise a grouting hole 29 arranged in the original structure layer 11 of the in-slot roof 101 and penetrating the original structure layer 11 from bottom to top, and the grouting hole 29 is used for grouting between the original thermal insulation layer 12 and the original structure layer 11 of the in-slot roof 101 to form an inner grouting layer 22. Specifically, as shown in Figure 5 and Figure 6 It is shown that the grouting hole 29 is arranged perpendicularly to the original structure layer 11, but the present application is not limited thereto, and the grouting hole 29 can also be arranged obliquely.

[0074] Further, as shown in Figure 4 , the grouting hole 29 can be provided in plurality, and the plurality of grouting holes 29 are arranged in an array, but the present application is not limited thereto, and the plurality of grouting holes 29 can also be arranged in other manners, such as staggered arrangement and the like. The material of the grouting layer can be non-cured asphalt waterproof coating or rubber asphalt waterproof coating. The grouting hole 29 is provided with a plugging material to plug the grouting hole 29.

[0075] In some embodiments, the device 3 is a non-movable device. The original thermal insulation layer 12 and the original waterproof layer 13 of the original roof are further provided with an original slope layer 15. The first waterproof layer 24 is a waterproof roll material and is overlapped with the ring-slot grouting layer 23 by hot-melt or by self-adhesion.

[0076] The present application also provides a novel roof waterproof maintenance method for obtaining the above-mentioned roof waterproof maintenance structure, and the roof waterproof maintenance method comprises the following steps:

[0077] S1, excavating on the outer peripheral side of the device 3 on the original roof and excavating to the original structure layer 11 to form a first annular excavation slot 21;

[0078] S2, injecting grouting material between the original structure layer 11 and the original thermal insulation layer 12 of the in-slot roof 101 to form an inner grouting layer 22;

[0079] S3, laying grouting material on the original structure layer 11 of the first annular excavation slot 21 to form a ring-slot grouting layer 23 connected with the inner grouting layer 22;

[0080] S4, continuously laying a first waterproof layer 24 on the ring-slot grouting layer 23, the outer ring side wall of the first annular excavation slot 21 and the out-slot roof 102, and the first waterproof layer 24 is overlapped with the ring-slot grouting layer 23.

[0081] In step S1, as shown in Figure 2As shown, the bottom wall of the first annular excavation trench 21 is the original structural layer 11. In step S2, grouting material can be injected between the original structural layer 11 and the original thermal insulation layer 12 of the in-trench roof 101 through grouting holes, which can be vertically arranged in the original structural layer 11 of the in-trench roof 101 or laterally arranged between the original structural layer 11 and the original thermal insulation layer 12 of the in-trench roof 101 from the first annular excavation trench 21, and the application is not limited thereto.

[0082] Specifically, as shown in Figure 3 Step S2 can further include:

[0083] S21, drill holes in the original structural layer 11 under the in-trench roof 101 from bottom to top to obtain grouting holes 29, which vertically pass through the original structural layer 11 from bottom to top;

[0084] S22, inject grouting material between the original structural layer 11 and the original thermal insulation layer 12 of the in-trench roof 101 through the grouting holes 29 until the grouting material overflows from the in-trench roof 101 radially outward to the first annular excavation trench 21 and stops grouting to form an inner grouting layer 22;

[0085] S23, block the grouting holes 29.

[0086] Wherein, as shown in Figure 4 The grouting holes 29 in S21 are arranged in an array. S22 further includes:

[0087] Grouting is performed on the grouting holes 29 one by one until the grouting of the current grouting hole 29 stops when the grouting material overflows to the adjacent grouting hole 29, and the next grouting hole 29 is started until the last one.

[0088] Grouting is performed on the grouting holes 29 until the grouting stops when the grouting material overflows from the in-trench roof 101 radially outward to the first annular excavation trench 21.

[0089] Optionally, in step S22, when grouting is performed on the grouting holes 29 one by one, in order to improve the grouting effect and make the grouting material better fill between the original structural layer 11 and the original thermal insulation layer 12, the grouting can be performed on the grouting holes 29 from inside to outside. That is, the grouting is first performed on the grouting hole 29 located at the center, and then sequentially performed on the grouting holes 29 located at the outside.

[0090] In some embodiments, as shown in Figure 5 The roof waterproof maintenance method can further include:

[0091] S5, sequentially lay a new thermal insulation layer 25 and a new protective layer 26 from bottom to top above the first waterproof layer 24 of the first annular excavation trench 21.

[0092] Optionally, S5 can further include:

[0093] The in-slot side roof 101 between the first annular excavation trench 21 and the device 3 is excavated to the original waterproof layer 13 to form a second annular excavation trench 27. The second annular excavation trench 27 is in communication with the first annular excavation trench 21, and the one end of the second waterproof layer 28 and the new protective layer 26 are sequentially laid from bottom to top above the original waterproof layer 13 of the second annular excavation trench 27, and the original waterproof layer 13 of the second annular excavation trench 27 is overlapped with the one end of the second waterproof layer 28. The other end of the second waterproof layer 28 successively covers the inner ring side wall of the second annular excavation trench 27 and the new protective layer 26 and overlaps the first waterproof layer 24 of the out-slot side roof 102.

[0094] Of course, in order to further improve the waterproof effect, the one end of the second waterproof layer 28 can be overlapped on the first waterproof layer 24 of the first annular excavation trench 21, and the other end of the second waterproof layer 28 successively covers the inner side wall of the first annular excavation trench 21, the original waterproof layer 13 of the second annular excavation trench 27, the inner side wall of the second annular excavation trench 27, the new protective layer 26 and the first waterproof layer 24 of the out-slot side roof 102, and the other end of the second waterproof layer 28 is overlapped with the first waterproof layer 24 of the out-slot side roof 102. Or the second waterproof layer 28 can also be overlapped with the original waterproof layer 13 of the second annular excavation trench 27 at the same time.

[0095] Optionally, the second waterproof layer 28 is a waterproof roll material and is overlapped with the original waterproof layer 13 by hot melting or self-adhesion; and / or, the second waterproof layer 28 is a waterproof roll material and is overlapped with the first waterproof layer 24 by hot melting or self-adhesion.

[0096] In addition, the material of the grouting layer is non-solidified asphalt waterproof coating or rubber asphalt waterproof coating. And / or, the device 3 is a non-movable device. And / or, the grouting material of the inner surrounding grouting layer 22 is the same as the grouting material of the annular groove grouting layer 23, and the same material has good connection effect and good waterproof effect. And / or, the first waterproof layer 24 is a waterproof roll material and is overlapped with the annular groove grouting layer 23 by hot melting or self-adhesion.

[0097] In summary, the roof waterproof maintenance structure and the roof waterproof maintenance method of the present application avoid the problems of affecting the normal construction of the building and the discontinuity of the maintenance area by removing the surrounding structure layers of the existing device to the structure layer, drilling holes in the area below the roof non-movable device, grouting the waterproof material of the same material as the waterproof layer, filling the space below the device, and overlapping the new waterproof layer in the removed and cut area around the device with the large surface. The roof waterproof maintenance structure and the roof waterproof maintenance method of the present application not only reduce the leakage maintenance cost, but also greatly reduce the construction difficulty of workers, and have good time efficiency and quality benefit.

[0098] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details of the above-described embodiments. Various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0099] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, various possible combinations are not described again by the present application.

[0100] In addition, various different embodiments of the present application can also be combined in any manner, as long as it does not deviate from the idea of the present application, and it should also be considered as disclosed by the present application.

Claims

1. A roof waterproofing repair structure, in which a device is arranged on an original roof and includes an original structure layer (11), an original thermal insulation layer (12), an original waterproofing layer (13), and an original protective layer (14) arranged from bottom to top, characterized in that, The device (3) is a non-movable device, and the roof waterproof maintenance structure comprises: a first annular excavation groove (21) arranged around the outer peripheral side of the device (3) and excavated on the original roof, a bottom wall of the first annular excavation groove (21) being an original structure layer (11), the first annular excavation groove (21) dividing the original roof into an in-groove side roof (101) and an out-groove side roof (102); a grouting layer comprising a connected inner-enclosing grouting layer (22) and an annular groove grouting layer (23), the inner-enclosing grouting layer (22) being arranged between an original insulation layer (12) and the original structure layer (11) of the in-groove side roof (101), and the annular groove grouting layer (23) being arranged on the original structure layer (11) of the first annular excavation groove (21); and a first waterproof layer (24) continuously covering the annular groove grouting layer (23), the outer annular side wall of the first annular excavation groove (21) and the out-groove side roof (102) and overlapping the annular groove grouting layer (23). A new insulation layer (25) and a new protection layer (26) are arranged in sequence from bottom to top above the first waterproof layer (24) of the first annular excavation groove (21). The roof waterproof maintenance structure further comprises: a second annular excavation groove (27) arranged on the in-groove side roof (101) between the first annular excavation groove (21) and the device (3), a bottom wall of the second annular excavation groove (27) being an original waterproof layer (13), the second annular excavation groove (27) being provided with the new protection layer (26), the second annular excavation groove (27) being communicated with the first annular excavation groove (21), the new protection layer (26) of the second annular excavation groove (27) being connected with the new protection layer (26) of the first annular excavation groove (21); and a second waterproof layer (28) arranged between the new protection layer (26) and the original waterproof layer (13) in the second annular excavation groove (27) and overlapping the original waterproof layer (13) at one end, and sequentially covering the inner annular side wall of the second annular excavation groove (27) and the new protection layer (26) and overlapping the first waterproof layer (24) of the out-groove side roof (102) at the other end.

2. The waterproofing repair structure for a roof according to claim 1, characterized by The second waterproof layer (28) is a waterproof roll material and is heat-welded or self-adhered to the original waterproof layer (13); and / or, the second waterproof layer (28) is a waterproof roll material and is heat-welded or self-adhered to the first waterproof layer (24).

3. The waterproofing repair structure for roofing according to claim 1, wherein The roof waterproof maintenance structure further comprises: a grouting hole (29) arranged in the original structure layer (11) of the in-groove side roof (101) and penetrating the original structure layer (11) from bottom to top, the grouting hole (29) being used for grouting between the original insulation layer (12) and the original structure layer (11) of the in-groove side roof (101) to form the inner-enclosing grouting layer (22).

4. The waterproofing repair structure for roofing according to claim 3, wherein A plurality of grouting holes (29) are arranged in an array; and / or, the material of the grouting layer is non-cured asphalt waterproof coating or rubber asphalt waterproof coating; and / or, the grouting hole (29) is provided with a plugging material.

5. The waterproofing repair structure for roofing according to claim 1, wherein The original insulation layer (12) and the original waterproof layer (13) of the original roof are further provided with an original slope layer (15); And / or, the first waterproof layer (24) is a waterproof roll material and is hot-melt or self-adhesive jointed with the ring groove grouting layer (23).

6. A method of repairing a roof water-proofing structure as defined in claim 1, wherein The roof waterproof maintenance method comprises: S1, excavating on the outer peripheral side of the equipment (3) on the original roof to the original structure layer (11) to form the first annular excavation groove (21); S2, injecting grouting material between the original structure layer (11) and the original insulation layer (12) of the inner side of the groove (101) of the roof to form an inner grouting layer (22); S3, laying grouting material on the original structure layer (11) of the first annular excavation groove (21) to form a ring groove grouting layer (23) connected with the inner grouting layer (22); S4, continuously laying a first waterproof layer (24) on the ring groove grouting layer (23), the outer ring side wall of the first annular excavation groove (21) and the outer side of the groove (102) of the roof, and the first waterproof layer (24) is jointed with the ring groove grouting layer (23).

7. The method of claim 6, wherein The roof waterproof maintenance method further comprises: S5, sequentially laying a new insulation layer (25) and a new protection layer (26) from bottom to top above the first waterproof layer (24) of the first annular excavation groove (21).

8. The method of claim 7, wherein the roof is a single ply roof. The S5 further comprises: excavating the inner side of the groove (101) between the first annular excavation groove (21) and the equipment (3) to the original waterproof layer (13) to form a second annular excavation groove (27), the second annular excavation groove (27) is communicated with the first annular excavation groove (21), and sequentially laying one end of a second waterproof layer (28) and a new protection layer (26) from bottom to top above the original waterproof layer (13) of the second annular excavation groove (27), the original waterproof layer (13) of the second annular excavation groove (27) is jointed with the second waterproof layer (28), and the other end of the second waterproof layer (28) sequentially covers the inner ring side wall of the second annular excavation groove (27) and the new protection layer (26) and is jointed with the first waterproof layer (24) of the outer side of the groove (102) of the roof.

9. The method of claim 8, wherein, The second waterproof layer (28) is a waterproof roll material and is hot-melt or self-adhesive jointed with the original waterproof layer (13); And / or, the second waterproof layer (28) is a waterproof roll material and is hot-melt or self-adhesive jointed with the first waterproof layer (24).

10. The method of claim 8, wherein The S2 comprises: S21, drilling from bottom to top on the original structure layer (11) under the inner side of the groove (101) to obtain a grouting hole (29), the grouting hole (29) penetrates the original structure layer (11) from bottom to top; S22, injecting grouting material between the original structure layer (11) and the original insulation layer (12) of the inner side of the groove (101) through the grouting hole (29) until the grouting material overflows from the inner side of the groove (101) to the first annular excavation groove (21) radially outward and stops grouting to form the inner grouting layer (22); S23, plugging the grouting hole (29).

11. The method of claim 10, wherein, The grouting hole (29) in the S21 is provided with multiple and arranged in an array.

12. The method of claim 11, wherein, The S22 further comprises: The grouting holes (29) are grouted upward one by one until the grouting material overflows to the adjacent grouting hole (29), the grouting of the current grouting hole (29) is stopped, and the grouting of the next grouting hole (29) is started until the last one. The grouting holes (29) are grouted upward until the grouting material overflows from the slot inside roof (101) to the first annular excavation slot (21) radially outward, and the grouting is stopped.

13. The method of claim 8, wherein the roof is a single ply roof. The material of the grouting layer is non-cured asphalt waterproof coating or rubber asphalt waterproof coating; And / or, the grouting material of the inner grouting layer (22) is the same as that of the annular groove grouting layer (23); And / or, the first waterproof layer (24) is a waterproof roll material and is hot melt or self-adhesive jointed with the annular groove grouting layer (23).

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