CN114197915B - Minimally invasive self-healing waterproof method for roof - Google Patents
Minimally invasive self-healing waterproof method for roof Download PDFInfo
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- CN114197915B CN114197915B CN202210030154.XA CN202210030154A CN114197915B CN 114197915 B CN114197915 B CN 114197915B CN 202210030154 A CN202210030154 A CN 202210030154A CN 114197915 B CN114197915 B CN 114197915B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0281—Repairing or restoring roofing or roof covering
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
- E04D2013/1422—Parapet building elements for retaining the roof flashing
Abstract
The invention discloses a roofing minimally invasive self-healing waterproof method, which comprises the following steps: grouting holes are formed in the floor plate and extend into the heat preservation layer; grouting the region to be repaired of the heat preservation layer through the grouting holes; continuing to inject the mortar, wherein the mortar enters between the heat insulation layer and the waterproof layer along a seepage channel in a region to be repaired of the heat insulation layer and enters between the roof and the waterproof layer through a waterproof layer crack; the mortar enters into a roof crack to complete the plugging of the roof crack; according to the invention, the grouting holes are formed in the floor plate and the heat insulation layer, grouting is carried out in the grouting holes, so that the repairing of the leakage channel in the area to be repaired of the heat insulation layer is completed, and the problem of time and labor consumption in large-scale dismantling of the waterproof heat insulation structure is avoided; in addition, mortar conveyed by means of the leakage channel can enter into the roof crack, so that the roof crack is repaired, and the problem of roof leakage is solved by means of minimally invasive means.
Description
Technical Field
The invention relates to the technical field of building waterproofing, in particular to a roofing minimally invasive self-healing waterproofing method.
Background
Roof waterproofing is always a major problem, similar to the world problem; once leakage occurs, the maintenance difficulty and sometimes the various methods are difficult to achieve, and people are injured by people, so that the problems and effects are brought to the production and life of enterprises and people.
The existing waterproof structure system is as follows: roof coiled material waterproof layer + pearlite heat preservation + superstructure board, but there is this following problem:
1) Waterproof coiled materials are difficult to achieve tightness and air tightness, particularly, the time is long, some places are easy to empty, water can be penetrated out from gaps between the coiled materials and the roof, and the water flows between the coiled materials and the roof. When the roof cracks are met, water can permeate out of the cracks, and leakage is caused.
2) The insulating layer is generally made of perlite insulating plates, and although the insulating layer has good insulating effect, the interior is relatively loose, water is easy to become a water accumulation layer once entering, and a reservoir is actually formed by using the roof insulating layer with the structure at present. The water stored in the floor is continuously infiltrated downwards along the gaps on the floor slab through the coiled material, and the floor slab is not prevented.
3) The waterproof coiled material generally extends to the parapet wall during construction, has limited waterproof effect, is passive physical waterproof, is supposed to prevent water from invading through the coiled material, and cannot be done in practice. The coiled material stuck on the parapet wall is easily emptied and peeled off as soon as the time is long under the influence of the change of air temperature, and is similar to a dummy. The parapet wall is in contact with the floor, which is just the place with more chances of crack occurrence, and is very easy to leak.
4) The floor board is a pressing board and cannot play a role in water resistance.
The existing roof water leakage treatment method comprises the following steps: removing the heat preservation facilities and the cover plate facilities in the water leakage area, then treating the roof cracks, and recovering the heat preservation facilities and the cover plate facilities after the treatment is finished. Many roofs have facilities and equipment installed thereon, and in fact do not allow for demolition, or lack of demolition conditions. As indicated in a roofing structure partition waterproof structure with publication number CN111535511a and a construction method thereof, firstly, removing facilities in a leakage area, and then, performing subsequent roofing crack repair work, which has the disadvantages of large workload, long construction period, time and labor consumption, and repeated water leakage; in another method for detecting and repairing water leakage of a roof based on polyurethane waterproof glue, for example, the method disclosed in publication No. CN108868028A is characterized in that other facilities of the roof are directly dismantled, then the water leakage point of the roof is found, and then the polyurethane waterproof glue is used for plugging, so that the aim of water prevention is achieved, and the facilities in a leakage area are essentially dismantled, so that the defect of consuming a large amount of manpower and material resources is overcome.
In order to solve the problems, the invention provides a minimally invasive self-healing waterproof method for a roof, which solves the problems of poor repairing effect, time consumption and labor consumption of the traditional roof waterproof repairing method.
Disclosure of Invention
The invention aims to provide a minimally invasive self-healing waterproof method for a roof, which achieves the aims of improving the repairing efficiency and the repairing effect.
In order to achieve the above object, the present invention provides the following solutions:
a roofing minimally invasive self-healing waterproof method comprises the following steps:
grouting holes are formed in the floor plate and extend into the heat preservation layer;
grouting the region to be repaired of the heat preservation layer through the grouting holes;
continuing to inject the mortar, wherein the mortar enters between the heat insulation layer and the waterproof layer along a seepage channel in a region to be repaired of the heat insulation layer and enters between the roof and the waterproof layer through a waterproof layer crack;
and the mortar enters into the roof crack to complete the plugging of the roof crack.
Preferably, when grouting is performed on the area to be repaired of the heat preservation layer, grouting is performed on the remaining area of the heat preservation layer synchronously.
Preferably, the mortar is a polymer mortar containing a self-healing material, the polymer mortar including fine sand, cement and self-healing material.
Preferably, the heat preservation layer is a perlite heat preservation layer.
Preferably, after the roof crack is processed, polishing the surface of the floor slab, caulking the floor slab crack by using silica gel, and coating a cement base containing self-repairing materials on the surface of the floor slab.
Preferably, a layer of colour remolded mortar is laid on the cement base.
Preferably, the heat insulation layer which extends out of the roof to the drain and the parapet is removed, the parapet crack and the drain crack are subjected to caulking treatment by adopting double-component silica gel, and the surfaces of the parapet and the drain are coated with the coating containing the self-repairing material.
Preferably, the parapet and the drain are rinsed with a high pressure water gun prior to repairing the parapet and the drain.
Preferably, the width of the parapet and drain cracks is expanded to 5mm to 6mm using a grooving machine before repairing the parapet and drain cracks.
Preferably, the thickness of the heat-insulating layer is 8cm to 12cm.
Compared with the prior art, the invention has the following technical effects:
1. according to the invention, the grouting holes are formed in the floor plate and the heat insulation layer, grouting is carried out in the grouting holes, so that the repairing of the leakage channel in the area to be repaired of the heat insulation layer is completed, and the problem of time and labor consumption in large-scale dismantling of the waterproof heat insulation structure is avoided; in addition, mortar conveyed by means of the leakage channel can enter into the roof crack, so that the roof crack is repaired, the leakage channel of the heat insulation layer and the roof crack are repaired gradually by means of a minimally invasive method, time and labor are saved, and the waterproof repair efficiency is improved.
2. In the invention, when grouting is carried out on the area to be repaired of the heat preservation layer, grouting is synchronously carried out on the residual area of the heat preservation layer; the invention is characterized in that the whole insulation layer area is fully covered and grouted during grouting, the original accumulated water in the insulation layer is drained, the original loose internal structure is compact, a new waterproof layer is formed, the insulation layer has good waterproof effect while heat preservation, and the downward leakage of rainwater on the floor plate is fundamentally avoided.
3. Polishing the surface of a floor slab after roof cracks are treated, caulking the cracks of the floor slab by using silica gel, and coating a cement base containing self-repairing materials on the surface of the floor slab; strengthen the waterproof effect of superstructure board, avoid or reduce the seepage of rainwater on the superstructure board, and then reach the purpose of reinforcing waterproof effect.
4. In the invention, a color remolded mortar layer is paved on a cement base; the purpose of beautifying the roof is achieved.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings that are necessary for the embodiments will be briefly described below, it being evident that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a roof construction;
wherein, 1, floor slab; 2. a heat preservation layer; 3. a cement base; 4. remolding the mortar layer; 5. roof cracking; 6. parapet wall cracks; 7. a drain crack; 8. a coating; 9. parapet wall; 10. double-component silica gel; 11. a waterproof layer; 12. roof.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a minimally invasive self-healing waterproof method for a roof, which achieves the aims of improving the repairing efficiency and the repairing effect.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, a minimally invasive self-healing waterproof method for a roof comprises the following steps: grouting holes are formed in the floor plate 1 and extend into the heat preservation layer 2; grouting the area to be repaired of the heat preservation layer 2 through the grouting holes; continuing to inject mortar, wherein the mortar enters between the heat insulation layer 2 and the waterproof layer 11 along a seepage channel in the area to be repaired of the heat insulation layer 2 and enters between the roof 12 and the waterproof layer 11 through a waterproof layer crack; the mortar enters into the roof crack 5 to complete the plugging of the roof crack 5; according to the invention, the grouting holes are formed in the floor plate 1 and the heat preservation layer 2, grouting is carried out in the grouting holes, so that the repair of the leakage channel in the area to be repaired of the heat preservation layer 2 is completed, and the problem of time and labor consumption in large-scale dismantling of the waterproof heat preservation structure is avoided; in addition, mortar conveyed by means of the leakage channel can enter the roof crack 5, so that the roof crack 5 is repaired, the leakage channel of the heat insulation layer 2 and the roof crack 5 are gradually repaired by a minimally invasive means, time and labor are saved, and the waterproof repair efficiency is improved.
Further, when grouting is performed on the area to be repaired of the heat preservation layer 2, grouting is performed on the remaining area of the heat preservation layer 2 synchronously; namely, the full-coverage grouting is carried out on the whole heat preservation layer 2 area during grouting, the original accumulated water in the heat preservation layer 2 is drained, the original loose internal structure is compact, a new waterproof layer is formed, the heat preservation layer 2 has good waterproof and waterproof effects while heat preservation is carried out, and downward leakage of rainwater on the floor plate 1 is fundamentally avoided.
Further, the mortar is polymer mortar containing self-repairing materials, and the polymer mortar comprises fine sand, cement and self-repairing materials; the polymer mortar can enter the roof crack 5 downwards along the seepage channel on the premise of ensuring that the mortar seals the gap of the heat preservation layer 2 through reasonable component proportion, so that the problem that aggregate cannot enter the roof crack 5 due to the unreasonable mortar proportion is avoided, and the problem that the quality of repairing the roof crack 5 is low is caused.
Further, the heat preservation layer 2 is a perlite heat preservation layer.
Further, after the roof crack 5 is processed, polishing the surface of the floor slab 1, caulking the crack of the floor slab 1 by using silica gel, and coating a cement base 3 containing self-repairing materials on the surface of the floor slab 1; strengthen the waterproof effect of superstructure plate 1, avoid or reduce the seepage of rainwater on the superstructure plate 1, and then reach the purpose of reinforcing waterproof effect.
Further, paving a color remolded mortar layer 4 on the cement base 3; the purpose of beautifying the roof 12 is achieved.
Further, removing the heat insulation layer 2 which extends out of the roof 12 to the drain and parapet 9, caulking the parapet crack 6 and the drain crack 7 by adopting double-component silica gel 10, and coating the surfaces of the parapet 9 and the drain with a coating 8 containing self-repairing materials; the caulking treatment is carried out on the parapet wall crack 6 and the drainage ditch crack 7 by adopting the double-component silica gel, so that the plugging effect is enhanced, and meanwhile, the parapet wall 9 and the floor drainage ditch are painted and maintained by using the paint 8 with the self-repairing material, so that the surface and the inside of the concrete are more compact, the water and the freeze thawing are prevented, and the coating effect is achieved.
Further, before repairing parapet wall crack 6 and drain crack 7, flushing parapet wall 9 and drain by using high-pressure water gun; on one hand, sundries in the parapet crack 6 and the drainage ditch crack 7 are cleaned out, and on the other hand, the plugging effect of the bi-component silica gel on the parapet crack 6 and the drainage ditch crack 7 is guaranteed, sundries in the parapet crack 6 and the drainage ditch crack 7 are avoided, and the using effect of the bi-component silica gel is influenced.
Further, before repairing the parapet crack 6 and the drain crack 7, the widths of the parapet crack 6 and the drain crack 7 are expanded to 5mm to 6mm by using a grooving machine; the method is convenient for the implantation of the bi-component silica gel and can completely block the whole parapet wall crack 6 and the whole drainage ditch crack 7, so that the problems that the parapet wall crack 6 and the drainage ditch crack are too small and too narrow and the bi-component silica gel is not blocked in place are avoided.
Further, the thickness of the heat-insulating layer 2 is 8cm to 12cm.
The concrete construction flow of the invention is as follows:
grouting holes are formed in the floor slab 1 until the perlite heat insulation layer 2 is drilled; grouting is carried out by using polymer mortar containing self-repairing materials, the whole heat preservation layer 2 is filled, the original accumulated water in the heat preservation layer 2 is drained, and the original loose internal structure is compact, so that a waterproof layer is formed; continuing to inject polymer mortar, the polymer mortar flows onto the cracks of the waterproof layer 11 along the original leakage channel of the heat preservation layer 2 under the action of grouting pressure, and enters the roof cracks 5 through the cracks of the waterproof layer 11, the polymer mortar directly enters the cracks for large roof cracks 5 to block the cracks, and self-repairing materials enter for small roof cracks 5 to excite silicate which is not hydrated and reacted in concrete around the cracks, and the silicate reacts with the leaked water to generate crystalline materials to block the cracks, so that the waterproof effect is achieved; and finally, the repairing work of the roof crack 5 is completed.
The adaptation to the actual need is within the scope of the invention.
It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The minimally invasive self-healing waterproof method for the roof is characterized by comprising the following steps of:
grouting holes are formed in the floor plate and extend into the heat preservation layer;
grouting the region to be repaired of the heat preservation layer through the grouting holes;
continuing to inject mortar, wherein the mortar enters between the heat insulation layer and the waterproof layer along a seepage channel in a region to be repaired of the heat insulation layer and enters between a roof and the waterproof layer through a waterproof layer crack;
the mortar enters into a roof crack to complete the plugging of the roof crack;
and when grouting is performed on the to-be-repaired area of the heat preservation layer, grouting is performed on the residual area of the heat preservation layer synchronously.
2. The method for minimally invasive self-healing waterproofing of roofs according to claim 1, wherein the mortar is a polymer mortar containing a self-healing material, the polymer mortar comprising fine sand, cement and self-healing material.
3. The method for minimally invasive self-healing waterproofing of a roof according to claim 1, wherein the heat-insulating layer is a perlite heat-insulating layer.
4. The method for minimally invasive self-healing waterproof of a roof according to claim 1, wherein after the roof cracks are treated, polishing the surface of the floor, caulking the cracks of the floor by using silica gel, and coating a cement base containing self-repairing materials on the surface of the floor.
5. The method of minimally invasive self-healing waterproofing of roofing according to claim 4, wherein a layer of color remolded mortar is laid on the cementitious base.
6. The method for minimally invasive self-healing waterproofing of roofs according to claim 1, wherein the insulation layer extending along the roof to the drain and parapet is removed, two-component silica gel is used for caulking parapet cracks and drain cracks, and the surfaces of the parapet and the drain are coated with a coating containing a self-repairing material.
7. The method for minimally invasive self-healing waterproofing of roofs according to claim 6, wherein the parapet and gutters are rinsed with high pressure water guns prior to repair of parapet and gutters.
8. The minimally invasive self-healing waterproof method for roofs according to claim 6, wherein the widths of parapet cracks and gutter cracks are expanded to 5mm to 6mm by a grooving machine before repairing the parapet cracks and gutter cracks.
9. The method for minimally invasive self-healing waterproofing of a roof according to claim 1, wherein the thickness of the heat preservation layer is 8cm to 12cm.
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| CN202210030154.XA CN114197915B (en) | 2022-01-12 | 2022-01-12 | Minimally invasive self-healing waterproof method for roof |
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| CN202210030154.XA CN114197915B (en) | 2022-01-12 | 2022-01-12 | Minimally invasive self-healing waterproof method for roof |
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| CN114197915B true CN114197915B (en) | 2023-05-05 |
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| CN114197915A (en) | 2022-03-18 |
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