CN105040836A - Full-sealing waterproof construction method implemented by using sealant - Google Patents
Full-sealing waterproof construction method implemented by using sealant Download PDFInfo
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- CN105040836A CN105040836A CN201510379778.2A CN201510379778A CN105040836A CN 105040836 A CN105040836 A CN 105040836A CN 201510379778 A CN201510379778 A CN 201510379778A CN 105040836 A CN105040836 A CN 105040836A
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Abstract
The invention discloses a full-sealing waterproof construction method implemented by using sealant, and relates to the field of waterproof construction of buildings. The full-sealing waterproof construction method implemented by using the sealant comprises the following specific steps of mixing the waterproof sealant and water according to a certain proportion; performing prime coat on a portion to be constructed; widely brushing the waterproof sealant on a base surface to be constructed to form a sealant waterproof layer; and performing waterproof treatment on joints by using the waterproof sealant if the base surface has the joints. The waterproof sealant can be in chemical crosslinking or physical mortise and tenon cooperative adhesion with cement or concrete. By the full-sealing waterproof construction method, the problem that coiled materials require to be in lap joint is solved. Connection positions and joints can be firmly adhered hermetically; and a full-sealing waterproof and leakage-preventing effect is achieved.
Description
Technical field
The present invention relates to buildings waterproof construction field, especially relate to a kind of hermetically sealed waterproof construction method of sealing compound.
Background technology
Building basement or roofing or washroom all need to arrange waterproof, adopt corresponding number of channels and the different kind of material of setting up defences to carry out waterproof or protection against the tide according to classification of waterproof designing requirement.Although waterproofing budget only accounts for a little part for construction budget, its effect is but extremely huge.If do not carry out building waterproof process, basement, roofing can seepages, and washroom, kitchen all can leak, and this not only upsets the normal life of people, work, orders of life, and directly has influence on the application life of whole solitary building.
Along with the high speed development of infrastructure cause, the development & application of construction waterproofing engineering technology and various waterproof new material, new technology also continues to bring out.But current waterproofing system still exists some problems, cause waterproof failure, specifically have following several reason:
1, the waterproof effect of waterproofing materials is bad
First show that the requirement of waterproofing materials to formation level is high, if base surface out-of-flatness or peeling, dusting, moisture content are too high, directly can affect the bond effect of waterproofing materials and basic unit, cause waterproofing course to produce bulging alice phenomenon.Next shows that the adhesion stress of waterproof roll and formation level goes up not, and general waterproof roll and cast-in-situ concrete base plate only have physics mortise and tenon active force, easily cause the bonding failure of basal plane and coiled material, goes here and there water drainage between generating layer.Be that the common waterproof roll in market exists the insecure problem of edge fit again, as adopted welded lap, easily occur solder skip, rosin joint, crossing weldering phenomenon; Gluing overlap joint, then adhesion strength is low, easily departs from; Adopt hot melt to overlap, heating temperature is not easily control, and adhesion strength is uneven.
2, the process of position of joints
In the waterproof construction process of coiled material, when run into basal plane has the position of joints such as negative and positive angle, constuction joint, deformation joint, ater-casting, wall pipe, pile crown, drain gully time, all there is certain difference in height in the connection transition position of these position of joints and basal plane, if lay coiled material to carry out waterproof, due to thickness and the elasticity of coiled material self, then be difficult to the connection transition position of coiled material at special-shaped part and basal plane completely closely to be fitted, bring leak, the hidden danger of water of leaping up; If adopt traditional polyurethane water-proof paint, polymer waterproof coating material, hot melt ointment etc. to smear Nodes, there will be water-repellent paint and all kinds of material bad adhesion, moist, moisture is surperficial cannot bond, and these coating are incompatible with large face waterproof roll material,, there is very big percolating water hidden danger in easy disengaging layering.
According to analysis, the leakage problems of waterproofing 90% occurs to be all occur in the position such as few position of joints, coiled material lapping place.Because traditional waterproofing system belongs to shading type waterproof, good waterproof effect can be played when there is no breakthrough, but once there is breaking point in large face waterproofing course, or overlap edge is not firm, position of joints process leakiness, just there will be brokenly and a bit leak a slice, directly affect whole waterproofing system, cause waterproof failure.
It can thus be appreciated that conventional waterproof material and waterproof construction method also exist many deficiencies, need to develop more new materials, new technology, new method and new technology, improve the safe and reliable effect of construction waterproofing engineering.
Summary of the invention
Goal of the invention of the present invention is: for above-mentioned Problems existing, provides a kind of hermetically sealed waterproof construction method of safe and reliable sealing compound.The method adopts sealing compound to carry out large area brushing and forms waterproofing course, then sealing compound is adopted to make encapsulation process at position of joints, there is not the overlap joint problem between coiled material in the method, each junction, the seamless overlap joint of node and sealing can be realized, realize hermetically sealed waterproof, stop the waterproof effect of seepage.
The technical solution used in the present invention is as follows:
The hermetically sealed waterproof construction method of sealing compound, its concrete steps are: after first waterproof sealing cream and water being mixed by a certain percentage, a primary coat is done at position to be onstructed, then sealing compound waterproofing course is formed at basal plane large area brushing waterproof sealing cream to be onstructed, when basal plane there being position of joints, then waterproof sealing cream to be adopted to do node waterproof process to position of joints;
Described waterproof sealing cream can carry out with cement or concrete the waterproof sealing cream that bonding worked in coordination with by chemical crosslinking and physics mortise and tenon.
Further, the volume ratio that during primary coat, waterproof sealing cream mixes with water is 0.8-1.2:1.
Further, when having concavo-convex place to need to repair on basal plane to be onstructed, be that 2-2.5:1 is mixed into cement paste by cement and water according to weight ratio, the waterproof sealing cream then adding cement paste gross weight 3-8% is repaired as healant.
Further, described node waterproof process comprises node pretreatment and/or joint strengthening process.
In the present invention, described position of joints refers to drain gully, floor drain, pipe root or pile crown on basal plane.
Further, the pretreated method of described position of joints is: before large area paving waterproof roll, with hairbrush, sealing compound uniform application is connected transition position in position of joints and basal plane, makes the connection transition position of position of joints and basal plane all be completely sealed covering.
Further, the method that described position of joints strengthens process is: after large area paving waterproof roll, with hairbrush by sealing compound uniform application in position of joints and basal plane, sealing compound waterproofing course connect transition position, make position of joints and basal plane, the connection transition position of sealing compound waterproofing course be all completely sealed covering.
Further, when carrying out node waterproof process, specific requirement is, with hairbrush or scraper plate, sealing compound uniform application is connected transition position in position of joints and basal plane, brushing 2-3 time, gross thickness controls at 1-3mm, the width that basal plane smears sealing compound is 60-100mm, and it is highly 30-50mm that facade is smeared, and the connection transition position of position of joints and basal plane is completely covered.
Further, the solid rear coating layer thickness of described sealing compound waterproofing course is 1.2-2mm.
In the present invention, the sealing compound used can carry out with cement or concrete the waterproof sealing cream that bonding worked in coordination with by chemical crosslinking and physics mortise and tenon.It can with the various material interfacial adhesion such as metal, plastics, pottery, rubber, concrete, waterproof roll, be also paste state, facade brushing is not trickled simultaneously, easy film forming.The Chinese patent application that the applicant submits on November 10th, 2012 can be used, title: modified emulsifying asphalt waterproof sealing cream and preparation method thereof, application number: the sealing compound in CN201210446557.9, the composition namely adopting rubber latex to mix with functional aid, filler, thickener and water is made.
The Chinese patent application that described sealing compound can also use the applicant to submit to on 07 03rd, 2013, title: with the waterproof sealing cream of cement generation chemical crosslinking and physics mortise and tenon, number of patent application: 201310276909.5, namely adopts the composition of synthetic rubber latex, mulseal, functional aid, thickener, filler, plasticizing agent, water mixing to make.
The Chinese patent application that described sealing compound can also adopt the applicant's 10 days years in November, 2012 to submit to, title: reaction bonded type node sealing compound and preparation method thereof, number of patent application: 201210446551.1 i.e. pitch, modifier, emulsifier, crosslinking agent, thickener, reinforcing agent and water.
In the present invention, sealing compound used is for raw material with synthetic rubber latex and modified rubber mulseal, add functional aid to make, by the coupled action of functional aid, synthetic rubber molecule and asphaltene molecule coupling is made to become to have the large molecule of reactivity, when this large molecule contacts with cement or concrete surface, rubber molecule and asphaltene molecule section and basal plane form physical absorption, and there is large molecule and the suction-operated of basal plane generation chemical bonding of reactivity, produce very strong chemical interactions, therefore the adhesion stress of waterproof sealing cream and basal plane is very strong, be not easy the impact being subject to extraneous factor, they can also with a variety of material as plastics, metal, pottery, rubber carries out effectively bonding, in addition, waterproof sealing cream is water-based, therefore can construct at the basal plane of humidity, not by the ambient influnence of job site, namely can construct as long as basal plane does not exist open fire.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The adhesion stress of 1, common waterproofing materials and basal plane is not enough, and require very high to the surface condition of formation level, construction is inconvenient and waterproofing course breakage easily causes large area seepage afterwards.The present invention adopt the present inventor to study can with cement, concrete plays chemical crosslink reaction and the synergistic sealing compound of physics mortise and tenon jointly simultaneously as large area waterproofing materials and node encapsulant, construction is not by the impact of site environment, and can be sealing adhesive with various material, its adhesion stress is strong, there is not seam during construction and leak water problem, the reliable of large area waterproof can not only be ensured, form skin-type waterproof construction, Nodes can be sealed preferably again, can not bond unsuccessfully because of cause incompatible with large area waterproofing materials material of node encapsulant, each junction can be realized, bonding is merged in the sealing of node, realize hermetically sealed waterproof, stop the waterproof effect of seepage.
2, the present invention's healant that washcoat adopts in work progress is that 2-2.5:1 is mixed into cement paste by cement and water according to weight ratio, then add the sealing compound configuration of cement paste gross weight 3-8% and make, compare tradition cement mortar washcoat, do not need to wait for the healant thoroughly solid construction just can carrying out next step, can the reduction of erection time, be particularly suitable for duration tight engineering and use.
3, the present invention is before large area brushing node sealing compound, and adopting sealing compound and water according to volume ratio is do a primary coat after 0.8-1.2:1 mixes, and plays the effect that basal plane is wetting, and can strengthen bonding force.
4, the present invention's hermetically sealed waterproof construction method constructing operation is simple, easy grasp, requires low to basal plane and site environment, can realize comprehensive, hermetic waterproof effect, effectively make up the deficiency of conventional waterproof material and waterproof construction method, should be widely promoted use.
Detailed description of the invention
The hermetically sealed waterproof construction method of sealing compound that what the present invention will protect is; can jointly play chemical crosslink reaction and the synergistic sealing compound of physics mortise and tenon simultaneously as large area waterproofing materials and node encapsulant with cement, concrete, waterproof effect that is comprehensive, hermetically sealed, that stop seepage can be reached.Below by way of specific embodiment, the invention will be further described.
Embodiment 1
The indoor swimming pool of Nanning university, in April, 2014 constructs, build the concrete self-waterproof layer that structure is closely knit, job site humid environment, the hermetic waterproof construction method of sealing compound is adopted to construct, sealing compound is the Chinese patent application that the applicant submitted on July 3rd, 2013, and application number is the sealing compound in CN201310276909.5.
First the foreign material on basal plane to be onstructed are cleared up, and the concavo-convex place on swimming pool bottom, side wall basal plane is repaired smooth, when the concavo-convex place of washcoat, healant is adopted to fill recess, healant is that 2:1 is mixed into cement paste by cement and water according to weight ratio, and the sealing compound then adding cement paste gross weight 3% is formulated.Then be after 0.8:1 mixes by sealing compound and water according to volume ratio, do a primary coat at position to be onstructed, play wetting basal plane and dustproof function;
Then do node pretreatment, at the Nodes such as negative and positive angle place, water inlet pipe and water outlet pipe of swimming pool, with hairbrush, sealing compound uniform application is connected transition position in position of joints and basal plane, the connection transition position of position of joints and basal plane is completely covered; Brush seals cream 2 times, gross thickness controls at 1-3mm, and the width that basal plane smears sealing compound is 60mm, and it is highly 30mm that facade is smeared, and the connection transition position of position of joints and basal plane is completely covered.
Then large area scrapes sealing compound waterproofing course, adopting the mode of scumbling multipass forming waterproofing course with bottom swimming pool with side wall part large area brush seals cream, when meeting drain gully, floor drain, Guan Gen, these position of joints of pile crown, brushing to position of joints edge.The brushing thickness of sealing compound with the solid rear coating layer thickness of waterproofing course for 1.2-2mm is advisable.
Finally do joint strengthening process, at the Nodes such as negative and positive angle place, water inlet pipe and water outlet pipe of swimming pool, again with hairbrush, sealing compound uniform application is connected transition position in position of joints and sealing compound waterproofing course, make position of joints be connected transition position with sealing compound waterproofing course and be completely sealed covering.
This swimming pool through use more than a year so far, does not find that there is seepage and seminess.
Embodiment 2
The washroom of community, Nanning owner family, in May, 2014 constructs, the node of job site has negative and positive angle, floor drain, toilet delivery port, plastic wall pipe some, the hermetic waterproof construction method of sealing compound is adopted to construct, sealing compound is the Chinese patent application that the applicant submitted on November 10th, 2012, and application number is the sealing compound in CN201210446557.9.
First the foreign material on basal plane to be onstructed are cleared up, and the concavo-convex place on toilet bottom, side wall basal plane is repaired smooth, when the concavo-convex place of washcoat, healant is adopted to fill recess, healant is that 2.5:1 is mixed into cement paste by cement and water according to weight ratio, and the sealing compound then adding cement paste gross weight 8% is formulated.Then be after 1.2:1 mixes by sealing compound and water according to volume ratio, do a primary coat at position to be onstructed, play wetting basal plane and dustproof function;
Then node pretreatment is done, at the Nodes such as negative and positive angle place, floor drain, toilet delivery port, plastic wall pipe of washroom, with hairbrush, sealing compound uniform application is connected transition position in position of joints and basal plane, the connection transition position of position of joints and basal plane is completely covered; Brush seals cream 3 times, gross thickness controls at 1-3mm, and the width that basal plane smears sealing compound is 100mm, and it is highly 50mm that facade is smeared, and the connection transition position of position of joints and basal plane is completely covered.
Then large area scrapes sealing compound waterproofing course, adopts the mode of scumbling multipass large area brush seals cream on toilet bottom, side wall to form waterproofing course, when meeting drain gully, floor drain, Guan Gen, these position of joints of pile crown, brushes to position of joints edge.The brushing thickness of sealing compound with the solid rear coating layer thickness of waterproofing course for 1.2-2mm is advisable.The grade of the side wall waterproofing design of washroom is lower, the smearing thickness of sealing compound with the solid rear coating layer thickness of waterproofing course for 0.6-0.8mm is advisable.
Finally do joint strengthening process, at negative and positive angle, the Nodes such as floor drain, toilet delivery port, plastic wall pipe, again with hairbrush, sealing compound uniform application is connected transition position in position of joints and sealing compound waterproofing course, make position of joints be connected transition position with sealing compound waterproofing course and be completely sealed covering.
This washroom through use more than a year so far, does not find that there is seepage and seminess.
Claims (9)
1. the hermetically sealed waterproof construction method of sealing compound, it is characterized in that its concrete steps are: first waterproof sealing cream and water are mixed after diluting, a primary coat is done at position to be onstructed, then sealing compound waterproofing course is formed at basal plane large area brushing waterproof sealing cream to be onstructed, when basal plane there being position of joints, then waterproof sealing cream to be adopted to do node waterproof process to position of joints;
Described waterproof sealing cream can carry out with cement or concrete the waterproof sealing cream that bonding worked in coordination with by chemical crosslinking and physics mortise and tenon.
2. the hermetically sealed waterproof construction method of sealing compound according to claim 1, is characterized in that: the volume ratio that during primary coat, waterproof sealing cream mixes with water is 0.8-1.2:1.
3. hermetically sealed waterproof construction method according to claim 2, it is characterized in that: when having concavo-convex place to need to repair on basal plane to be onstructed, be that 2-2.5:1 is mixed into cement paste by cement and water according to weight ratio, the waterproof sealing cream then adding cement paste gross weight 3-8% is repaired as healant.
4. the hermetically sealed waterproof construction method of sealing compound according to claim 1, is characterized in that: described node waterproof process comprises node pretreatment and/or joint strengthening process.
5. hermetically sealed waterproof construction method according to claim 4, is characterized in that: described position of joints refers to drain gully, floor drain, pipe root or pile crown on basal plane.
6. hermetically sealed waterproof construction method according to claim 4, it is characterized in that: the pretreated method of described position of joints is: before large area brush seals cream, by the connection transition position of sealing compound uniform application in position of joints and basal plane, the connection transition position of position of joints and basal plane is made to be completely sealed covering.
7. hermetically sealed waterproof construction method according to claim 4, it is characterized in that: the method that described position of joints strengthens process is: after large area brush seals cream, by the connection transition position of sealing compound uniform application in position of joints and basal plane, sealing compound waterproofing course, make position of joints and basal plane, the connection transition position of sealing compound waterproofing course is completely sealed covering.
8. the hermetically sealed waterproof construction method of sealing compound according to claim 4, it is characterized in that: when carrying out node waterproof process, specific requirement is, with hairbrush or scraper plate, sealing compound uniform application is connected transition position in position of joints and basal plane, brushing 2-3 time, gross thickness controls at 1-3mm, the width that basal plane smears sealing compound is 60-100mm, and it is highly 30-50mm that facade is smeared, and the connection transition position of position of joints and basal plane is completely covered.
9. the hermetically sealed waterproof construction method of the sealing compound according to any one of claim 1-8, is characterized in that: the solid rear coating layer thickness of described sealing compound waterproofing course is 1.2-2mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425692A (en) * | 2018-05-02 | 2018-08-21 | 云南高峰建设工程有限公司 | A kind of tunnel outer waterproofing layer construction method |
| WO2022127094A1 (en) * | 2020-12-17 | 2022-06-23 | 江苏凯伦建材股份有限公司 | Method for overlapping different waterproofing materials of side wall and roof |
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| JP2005053751A (en) * | 2003-08-06 | 2005-03-03 | Ube Ind Ltd | Polymer cement composition for waterproofing |
| CN101792301A (en) * | 2010-03-09 | 2010-08-04 | 郭春未 | Skin-type waterproof coating and construction method |
| CN103304862A (en) * | 2013-07-03 | 2013-09-18 | 广西金雨伞防水科技有限公司 | Waterproof sealing paste producing chemical crosslinking and physical mortising with cement |
| CN103806662A (en) * | 2014-01-24 | 2014-05-21 | 天津新宇建筑工程有限公司 | Washroom waterproof construction technology |
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2015
- 2015-06-29 CN CN201510379778.2A patent/CN105040836A/en active Pending
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| JP2000119073A (en) * | 1998-10-13 | 2000-04-25 | Sumitomo Metal Mining Co Ltd | Acid rain-resistant lightweight cellular concrete and its production |
| JP2005053751A (en) * | 2003-08-06 | 2005-03-03 | Ube Ind Ltd | Polymer cement composition for waterproofing |
| CN101792301A (en) * | 2010-03-09 | 2010-08-04 | 郭春未 | Skin-type waterproof coating and construction method |
| CN103304862A (en) * | 2013-07-03 | 2013-09-18 | 广西金雨伞防水科技有限公司 | Waterproof sealing paste producing chemical crosslinking and physical mortising with cement |
| CN103806662A (en) * | 2014-01-24 | 2014-05-21 | 天津新宇建筑工程有限公司 | Washroom waterproof construction technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425692A (en) * | 2018-05-02 | 2018-08-21 | 云南高峰建设工程有限公司 | A kind of tunnel outer waterproofing layer construction method |
| WO2022127094A1 (en) * | 2020-12-17 | 2022-06-23 | 江苏凯伦建材股份有限公司 | Method for overlapping different waterproofing materials of side wall and roof |
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