CN103938656A - Building wall surface underground waterproof construction method - Google Patents
Building wall surface underground waterproof construction method Download PDFInfo
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- CN103938656A CN103938656A CN201410109126.2A CN201410109126A CN103938656A CN 103938656 A CN103938656 A CN 103938656A CN 201410109126 A CN201410109126 A CN 201410109126A CN 103938656 A CN103938656 A CN 103938656A
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Abstract
The invention relates to a waterproof construction method for a bottom plate, a top plate and an outer wall of a basement, wherein JS composite waterproof paint or cementitious capillary crystalline waterproof paint is suitable for being sprayed on the bottom plate, the top plate and the outer wall of the basement. According to a building wall surface underground waterproof construction method, the waterproof paint is sprayed on the building wall body surface or other surfaces through a sprayer so that water resistance of the wall surface and other portions can be realized, and the sprayer is an airless sprayer. The building wall surface underground waterproof construction method mainly comprises the following steps of wall surface treatment before construction, paint preparation, first-time spraying, second-time spraying and maintenance. According to the technical scheme, the phenomenon that a scaffold is constructed on an outer wall side face in the traditional waterproof construction process is avoided, so that the construction period is shortened, the number of operators is reduced, cost is lowered; besides, according to the building wall surface underground waterproof construction method, the operators are far away from the sprayed surfaces, as a result, construction can be conducted in a quite large area, comprehensive observation can be carried out on a construction surface, it is guaranteed that the paint can be uniformly sprayed on a working surface, and the phenomenon of large-area missing spraying or the phenomenon of paint leaching and paint dripping caused by overmuch spraying does not occur.
Description
Technical field
The invention belongs to building underground waterproof field, the basement bottom board, top board, the external wall waterproof construction method that relate in particular a kind of applicable JS composite water-proof paint or cement based penetration crystallization type water proofing paint, the position water-repellent paint sprayings such as the operation of this construction method is quick, personnel are few, the duration is short, metope evenly.
Background technology
Along with the development of urban construction, the building scale of each great development business exploitation is also increasing, especially to the underground space of wanting, has strengthened the building construction of the building size, particularly large-scale synthesis of underground garage, greatly increases the engineering quantity of underground waterproof project.
In prior art, the many employings of underground waterproof engineering add mine dam or damp proof insulation wall carries out waterproof, and this waterproof type is great in constructing amount, long construction period, and the cost expending is higher.In prior art, also have to adopt and carry out at surface of wall brushing water-repellent paint, but in concrete operating procedure, all adopt the mode of artificial brushing, constructing operation personnel occupancy is large like this, and in the process of brushing, there will be large-area brushing inhomogeneous, brushing quantity not sufficient or brush excessive phenomenon, the mass defect of existence is many, particularly many in the defect at position, negative and positive turning, incur loss through delay the duration, cause the waste of coating.
Above-mentioned building underground waterproof method, can not meet waterproof construction construction period and the quality requirement of extensive underground building of the prior art, is badly in need of the waterproof construction method that exploitation makes new advances, to adapt to the demand of existing building scale.In addition, because the building buried depths such as underground garage are darker, outside supporting, again because place is limited, causes its exposed wall water proof scope of operation narrow and small, can not set up jenny scaffold, makes waterproofing project construction arduous.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of rapid constructing method of building underground waterproof engineering, this method can effectively guarantee water-repellent paint on underground wall body surface sprays rapidly and uniformly, to reach waterproof and dampproof object, simultaneously, do not need to set up scaffold, minimizing personnel, reduction of erection time.
For solving the problems of the technologies described above, the invention provides a kind of building wall underground waterproof construction method, described method is to utilize flush coater that water-repellent paint is sprayed to construction wall surface, to realize metope waterproof, described flush coater is airless sprayer, and its main construction method is divided into the following steps
The first step, the surfacings such as the front metope of construction
Remove the foreign material on the surfaces, position such as body of wall, and with clear water, wash the floating dust of surface of wall, the uneven place on the surfaces, position such as body of wall and place, gap are repaired, guarantee to intend the moistening open fire that there is no in position of operation;
Second step, coating is prepared
According to the proportioning of setting in construction, water-repellent paint and water are placed in agitator and carry out fully stirring and causing without powder ball state, standing 10～15 minutes, again stir, standby;
Above-mentioned standby coating slip, through filtering, is removed to the lumps that particle does not stir greatly, the uniform coating slip of exquisiteness is placed in airless sprayer hopper, wait to be sprayed;
The 3rd step, first pass spraying
Operation builder hand is held airless sprayer control rod of spray gun, and make spray gun front end shower nozzle have 0.6～1.5 meter of distance apart from metope, open airless sprayer, operator is along the mobile spraying uniformly of a direction, the coating that makes to be sprayed on metope is even, when spraying negative and positive angular position, operator should keep the injection direction of shower nozzle and negative and positive angular position direction to be 45 ° of angles;
The 4th step, second time spraying
After being dried, the coating of first pass spraying carries out the spraying of second time coating, mode of operation is identical with first pass spraying, spraying direction is vertical with first pass spraying direction, in second time spraying, detect in time waterproofing layer thickness and the weight of coated paint of spraying rear, if waterproofing layer thickness or use amount need to supplement in time not, carry out local spraying again;
The 5th step, maintenance
After second time spray painting all completes, carry out maintenance, adopt sprayer to wet curing uniformly on metope, keep spray water every day 2～3 times, spray 2～3 days.
In the present invention, disclosed waterproofing materials is mainly JS composite water-proof paint or cement based penetration crystallization type water proofing paint, the part by weight of selected coating and water is controlled at (0.4～0.45): 1, this coating is after fully mixing with water, through filtering, remove the particle or the powder ball that do not mix completely, this particle and powder ball can be back in mixer and again stir, mix with water, reuse, slip after filtering is placed in airless sprayer, after airless sprayer running, by in coating slurry press-in material pipe to shower nozzle, simultaneously gas through tracheae in shower nozzle with slurry blend, by being sprayed on waterproof homework face after the complete atomization of slurry, it is surface of wall.Because the spraying equipment mainly using in this technique is airless sprayer, so this building wall underground waterproof construction method is also referred to as airless spraying method.
Before construction, the processing stage of metope, should first check metope basic unit, after processing properly, can construct.Construction surface must be without floating dust, greasy dirt, solid and cleanly have a good tack.If there are crack and honeycomb hole seepage in construction surface, after should being disposed according to corresponding rectification scheme, carry out waterproof construction.All convex-concave surfaces, brickwork joint and gap, first fill up flat by cement mortar, peels off surperficial clean with ash shovel and brush cleaning.Substrate surface has place, crack, uneven place to repair smooth with " water does not leak ".The surface of waterproof homework face must fully be soaked into by water, moistened surface only, but can not have open fire, ponding, and if any subregion, there is open fire to answer broom to open, airing just can spray slightly.
In spray painting process, shower nozzle 0.6～1.5 meter of distance of the scope of operation of should keeping at a distance, operating personnel stand firm at a position, the up and down approximately 3 meters radius of spraying scope centered by operating personnel, at the uniform velocity mobile shower nozzle during operation, prevents that the scope of operation from occurring drain spray and crossing spray and the phenomenon of pouring extension.While spraying in negative and positive angular position, should make the injection direction of shower nozzle substantially be held in its 45 ° of directions, make the spraying of negative and positive angular position closely knit evenly, also be difficult for causing waste slurry and air pollution.A position spraying is complete, should check at any time spraying situation, and drain spray position is supplemented to spraying, and second position by that analogy.After first pass coating, need to wait for that coating is dry, normal temperature lower drying time is 7～8 hours, concrete detection method is touched tack-free finger mark with hand and is as the criterion, and summer and winter suitably reduce and extend hardening time, and temperature on average reaches 5 degree to be forbidden constructing when following, after first pass coating is dry, carry out again the construction of second time spraying, the direction of spraying is mutually vertical with first, during spraying, wants equally evenly, can not have local deposits and drain spray.
In maintenance, to JS composite water-proof paint, after spraying, can not do wet water curing, but during lower than 5 ℃, should adopt plastic sheeting covering curing 2～3 days at daily mean temperature.To cement based penetration crystallization type water proofing paint, after spraying 6～8 hours, application sprayer was sprayed water 2～3 times every day, and curing time 2～3 days during lower than 5 ℃, should adopt plastic sheeting covering curing 2～3 days at daily mean temperature.
Adopt the beneficial effect of technique scheme to be:
Technical solution of the present invention is applicable to the basement bottom board of a kind of applicable JS composite water-proof paint or cement based penetration crystallization type water proofing paint, top board, external wall waterproof construction, this construction method is to utilize airless sprayer after the complete atomization of waterproof slip, to be sprayed at waterproof homework surface, so just avoided in exterior wall side, setting up scaffold in traditional waterproof construction, operating personnel have been reduced, shortened the duration, saved cost, and this mode of operation operating personnel are distant apart from sprayed surface, the larger area of can constructing, to constructing, surface is more comprehensively observed, the coating that can guarantee to be sprayed at the scope of operation is even, there will not be large-scale drain spray or spray phenomenon excessive and that drench extension.
The disclosed a kind of building wall underground waterproof construction method of technical solution of the present invention, be not only building basement metope is carried out to waterproof construction, can also carry out waterproof construction to basement roof top board, ground base plate simultaneously, after its construction, can reach and metope waterproof same effect, and all have and avoid setting up of a large amount of scaffolds, reduce operating personnel, shortened the duration, saved cost.
The specific embodiment
Below technical scheme of the present invention and structure are described, so that those skilled in the art understand.
A building wall underground waterproof construction method, described method is to utilize flush coater water-repellent paint to be sprayed to the surfaces such as construction wall, and to realize the position waterproof such as metope, described flush coater is airless sprayer, and its main construction method is divided into the following steps,
The first step, process at the positions such as the front metope of construction
Preparation of construction, adopts grafter, cuts axe, broom is clean by substrate surface cleaning, and washes floating dust with clear water, must not have open fire, foreign material;
Basic unit's check processing, before construction, should first check basic unit, after processing properly, can construct, construction surface must be without floating dust, greasy dirt, solid and cleanly have good tack, as there are crack and honeycomb hole seepage in the surface of constructing, after should requiring constructor to be disposed according to corresponding rectification scheme, carry out waterproof construction, all convex-concave surfaces, brickwork joint and gap, first fill up flat by cement mortar, peels off surperficial clean with ash shovel and brush cleaning.Substrate surface has place, crack, uneven place to repair smooth with " water does not leak ";
Scope of operation surfacing, scope of operation surface keeps wetting surface without open fire, and the surface of waterproof homework face must fully be soaked into by water, moistened surface only, but can not have open fire, if any subregion, have open fire to answer broom to open, airing just can spray slightly;
Second step, coating is prepared
Get one of ash bucket, part by weight according to coating and water is controlled at (0.4～0.45): 1 ratio is poured the powder of weighted JS composite water-proof paint and cement based penetration crystallization type water proofing paint and water in bucket into, fully stir 3～5 minutes until stir into the uniform sizing material without powder ball, stir evenly latter standing 10～15 minutes, stir once again, for guaranteeing pulp quality, the slurry being stirred was finished as far as possible in 1～2 hour, the slurry modulating is poured in keg, through filter screen, pour again flush coater hopper into, filter out the lumps that particle does not stir greatly, with anti-blocking shower nozzle, these lumps can repeat again to stir use, increase operation rate, etc. to be sprayed,
The 3rd step, first pass spraying
Operation builder hand is held airless sprayer control rod of spray gun, and make spray gun front end shower nozzle have 0.6～1.5 meter of distance apart from metope, open airless sprayer, operator moves spraying uniformly along a direction, and the coating that makes to be sprayed on metope is even, and pouring is hung with crossing spray to prevent drain spray, when spraying negative and positive angular position, operator should keep the injection direction of shower nozzle and negative and positive angular position direction to be 45 ° of angles, makes this position spraying closely knit evenly, is also difficult for causing waste slurry and air pollution;
The 4th step, second time spraying
After being dried, the coating of first pass spraying carries out the spraying of second time coating, normal temperature lower drying time is 7～8 hours, concrete detection method is touched tack-free finger mark with hand and is as the criterion, summer and winter suitably reduce and extend hardening time, temperature on average reaches 5 degree and forbids construction when following, mode of operation is identical with first pass spraying, spraying direction is vertical with first pass spraying direction, in second time spraying, detect in time waterproofing layer thickness and the weight of coated paint of spraying rear, if waterproofing layer thickness or use amount need to supplement in time not, carry out local spraying again;
All, after spraying, should check waterproofing layer thickness and the use amount at spraying position, thickness and use amount are inadequate repeats above-mentioned spraying, guarantees that waterproof thickness reaches designing requirement comprehensively, and local spraying puts in place uses palm brush coating;
The 5th step, maintenance
To JS composite water-proof paint, after spraying, can not do wet water curing, but during lower than 5 ℃, should adopt plastic sheeting covering curing 2～3 days at daily mean temperature.To cement based penetration crystallization type water proofing paint, after spraying 6～8 hours, application sprayer was sprayed water 2～3 times every day, and curing time 2～3 days during lower than 5 ℃, should adopt plastic sheeting covering curing 2～3 days at daily mean temperature.
Through the tradition construction of above-mentioned implementation method and existing routine is compared, 10 times of its speed of application increases, have saved a large amount of building materials and apparatus equipment and water proofing property better, and coating is longer service life.
Table one: traditional handicraft and construction technology of the present invention are the airless spraying technique table of comparisons
Contrast by upper table can be found out intuitively, the disclosed building wall underground waterproof of the present patent application construction method is compared with traditional construction technology, speed of application has improved 12 times, execute-in-place need to manually reduce 20%, and utilization efficiency of coatings has improved percent 20%, has extended 2～3 years service life, and the phenomenons such as infiltration in use can not make new advances, after construction, metope color is even, there will not be the phenomenon of piling up or lacking.
Above-mentioned to invention be exemplarily described; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as this non-essential improvement that has adopted method design of the present invention and technical scheme to carry out; or without improving, the design of invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.
Claims (2)
1. a building wall underground waterproof construction method, is characterized in that, described method is to utilize flush coater that water-repellent paint is sprayed to construction wall surface, to realize the waterproof at the positions such as metope, described flush coater is airless sprayer, and its main construction method is divided into the following steps
The first step, the surfacings such as the front metope of construction
Remove the foreign material on the surfaces, position such as body of wall, and with clear water, wash the floating dust on the surfaces, position such as body of wall, the uneven place on the surfaces, position such as body of wall and place, gap are repaired, guarantee to intend the moistening open fire that there is no in position of operation;
Second step, coating is prepared
According to the proportioning of setting in construction, water-repellent paint and water are placed in agitator and are stirred well to without powder ball state, standing 10～15 minutes, again stir, standby;
Above-mentioned standby coating slip, through filtering, is removed to the lumps that particle does not stir greatly, the uniform coating slip of exquisiteness is placed in airless sprayer hopper, wait to be sprayed;
The 3rd step, first pass spraying
Operation builder hand is held airless sprayer control rod of spray gun, and makes spray gun front end shower nozzle have 0.6～1.5 meter of distance apart from metope etc., opens airless sprayer, and operator is along the mobile spraying uniformly of a direction, and the coating that makes to be sprayed on metope is even;
The 4th step, second time spraying
After being dried, the coating of first pass spraying carries out the spraying of second time coating, mode of operation is identical with first pass spraying, spraying direction is vertical with first pass spraying direction, in second time spraying, detect in time waterproofing layer thickness and the weight of coated paint of spraying rear, if waterproofing layer thickness or use amount need to supplement in time not, carry out local spraying again;
The 5th step, maintenance
After second time spray painting all completes, carry out maintenance, adopt sprayer to the upper uniform wet curing in the surfaces such as metope, keep spray water every day 2～3 times, spray 2～3 days.
2. a kind of building wall underground waterproof construction method according to claim 1, it is characterized in that: in described first pass and second time spray painting, when spraying negative and positive angular position, operating personnel should keep the injection direction of shower nozzle and negative and positive angular position direction to be 45 ° of angles.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104264717A (en) * | 2014-09-05 | 2015-01-07 | 李影 | Basement rigid material and flexible material combined waterproof construction method |
| CN104481034A (en) * | 2014-11-18 | 2015-04-01 | 北京合建志洋装饰工程有限公司 | Waterproofing construction method |
| CN104895327A (en) * | 2015-06-17 | 2015-09-09 | 青岛海川建设集团有限公司 | High-rise building basement concrete self-waterproofing construction process |
| CN106869341A (en) * | 2017-02-22 | 2017-06-20 | 湖北文理学院 | A kind of architectural engineering wall waterproof construction method |
| CN107620326A (en) * | 2017-09-12 | 2018-01-23 | 河南财经政法大学 | A kind of waterproof construction construction method |
| CN107675844A (en) * | 2017-10-12 | 2018-02-09 | 罗丽宝 | The self-priming spraying waterproof technology in toilet |
| CN107724426A (en) * | 2017-09-27 | 2018-02-23 | 广东景源建设工程有限公司 | A kind of construction method of the waterproof metope of underground structure |
| CN108930416A (en) * | 2018-08-15 | 2018-12-04 | 中电建南方建设投资有限公司 | A kind of impervious leakage-stopping construction of concrete |
| CN112095816A (en) * | 2020-09-25 | 2020-12-18 | 天津滨海澳泰防水材料有限公司 | Construction method for forming three composite waterproof layers through single construction |
| CN112942447A (en) * | 2021-03-15 | 2021-06-11 | 福建筑兆建设有限公司 | Construction method of high-viscosity anti-slip waterborne polymer modified asphalt waterproof coating in basement waterproofing |
| CN114032951A (en) * | 2021-07-22 | 2022-02-11 | 浙江鑫宇装饰工业有限公司 | Indoor damp-proof process for basement |
| CN114197540A (en) * | 2021-12-29 | 2022-03-18 | 中建八局第二建设有限公司 | JS waterproof coating repairing and reinforcing structure and construction method |
| CN114575477A (en) * | 2022-03-14 | 2022-06-03 | 中建八局第二建设有限公司 | Basement exterior wall waterproof construction method and waterproof structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264717A (en) * | 2014-09-05 | 2015-01-07 | 李影 | Basement rigid material and flexible material combined waterproof construction method |
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| CN106869341A (en) * | 2017-02-22 | 2017-06-20 | 湖北文理学院 | A kind of architectural engineering wall waterproof construction method |
| CN107620326A (en) * | 2017-09-12 | 2018-01-23 | 河南财经政法大学 | A kind of waterproof construction construction method |
| CN107724426A (en) * | 2017-09-27 | 2018-02-23 | 广东景源建设工程有限公司 | A kind of construction method of the waterproof metope of underground structure |
| CN107675844A (en) * | 2017-10-12 | 2018-02-09 | 罗丽宝 | The self-priming spraying waterproof technology in toilet |
| CN108930416A (en) * | 2018-08-15 | 2018-12-04 | 中电建南方建设投资有限公司 | A kind of impervious leakage-stopping construction of concrete |
| CN112095816A (en) * | 2020-09-25 | 2020-12-18 | 天津滨海澳泰防水材料有限公司 | Construction method for forming three composite waterproof layers through single construction |
| CN112942447A (en) * | 2021-03-15 | 2021-06-11 | 福建筑兆建设有限公司 | Construction method of high-viscosity anti-slip waterborne polymer modified asphalt waterproof coating in basement waterproofing |
| CN114032951A (en) * | 2021-07-22 | 2022-02-11 | 浙江鑫宇装饰工业有限公司 | Indoor damp-proof process for basement |
| CN114197540A (en) * | 2021-12-29 | 2022-03-18 | 中建八局第二建设有限公司 | JS waterproof coating repairing and reinforcing structure and construction method |
| CN114575477A (en) * | 2022-03-14 | 2022-06-03 | 中建八局第二建设有限公司 | Basement exterior wall waterproof construction method and waterproof structure |
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Application publication date: 20140723 |