CN105019570A - Comprehensive water-proof method of building external wall - Google Patents
Comprehensive water-proof method of building external wall Download PDFInfo
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- CN105019570A CN105019570A CN201510351330.XA CN201510351330A CN105019570A CN 105019570 A CN105019570 A CN 105019570A CN 201510351330 A CN201510351330 A CN 201510351330A CN 105019570 A CN105019570 A CN 105019570A
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Abstract
Provided is a comprehensive water-proof method of a building external wall with the objective of preventing the building external wall against seepage in order to overcome the common quality problem in the building industry. Professional water-proof and deepening design is provided. By adoption of a one-step method, one-step shaping construction is carried out to a leveling layer and a water-proof layer of the external wall and comprehensive construction and management is performed. By means of a comprehensive method from secondary design, combined material to construction, seepage of the building external wall is eradicated. The comprehensive water-proof method of the building external wall has following beneficial effects: the comprehensive water-proof method is aimed at improving water-proof quality of the building external wall; the one-step method is adopted for construction of the leveling layer and the water-proof layer, thereby decreasing construction cost and construction time; and influence of seepage of the building external wall to the use and the structure of the building is reduced, thereby prolonging water-proof service lifetime of the building external wall and saving investment of full-life construction of the building.
Description
[technical field]
The present invention relates to the realm of building construction, specifically, is the comprehensive waterproof method of external wall.Leveling layer and waterproofing course one method.
[background technology]
China's recent two decades comes, and high level and super highrise building are as emerged rapidly in large numbersBamboo shoots after a spring rain, and roof leakage problems is more and more serious, is " water curtain cave " everywhere, comprises newly-built a lot of important buildings after heavy rain.According to authoritative department statistics, China's new building has more than 50% to there is external wall Seepage, has a strong impact on use, and what have even affects structural safety.It is engineering people major issue anxious to be resolved.
Current external wall leakage problems becomes Common Quality Fault In The Construction Project, and be known as building " cancer ", trace it to its cause, designing institute designs according to original standard collective drawings, the details imperfection that construction atlas has, and does not consider the concrete condition of project exterior wall; Some property firms cost-savingly do not design external wall waterproof, the cost control of construction bidding, adulterating of waterproofing materials in multilayer or middle-high building exterior wall design process, on-the-spot because condition restriction and construction period, are difficult to effectively long-term waterproof; Design defect, fault in material and constructional deficiency cause the main cause of external wall seepage.
[summary of the invention]
The object of the invention is to prevent external wall seepage, overcome the common quality defect of this building trade.There is provided from professional waterproof Deepen Design, one-step method and exterior wall leveling layer and waterproofing course one-step shaping (leveling layer+waterproofing course), integrated construction manages.From Specialty Design, quality material to the integrated approach of scientific construction, thoroughly stop external wall seepage.
The present invention is intended to improve external wall waterproof quality, reduce exterior wall leakage to the impact of building use and structure, extend external wall waterproof adequate service life, adopt one-step method construction method to decrease construction cost, save the engineering time, save building life-cycle construction investment.
[detailed description of the invention]
(1) professional waterproof Deepen Design
(1) emphasis of professional waterproof Deepen Design:
According to building and structure design, in conjunction with field condition, professional waterproof Deepen Design is carried out, mainly to the field condition of external wall to external wall waterproof, the process of the different materials such as form of structure overlap joint, masonry, door window side under shelf hole, beam, wears the thin portions such as outer porthole and carries out design of node.Under ensureing limiting case, quality of waterproof layer is intact.
The design of each external wall shear wall, masonry, door and window, alien invasion moulding, reserving hole is not identical, and secondary detailingi just effectively can not ensure that crack and seepage point appear in wall face, just can not ensure that exterior wall is non-leakage targetedly.
(2) concrete measure of secondary detailingi:
1, ensure that building exterior wall face does not occur crack: on masonry and shear wall interface, beam and under beam and masonry interface, door and window hole corner, alien invasion sudden change place etc. easily produce crack, detailing should be carried out as the case may be, reduce or crackle preventing generation.
2, waterproofing course is non-leakage: waterproofing course forms integral layer, and basic unit combines closely, has enough elasticity and toughness, durability.
3, the hole that occurs of construction or reserving hole must send special messenger's shutoff on request before levelling and waterproof construction, prevent from forming exterior wall retaining point and breakthrough.
4, the Deepen Design of thin portion, node: structural joint, the design of node of the structure, equipment, pipeline place etc. of deformation joint, settlement joint, outstanding exterior wall, the installation site of door and window and sequence of construction etc.
5, professional structure manufacture: the corner design concrete block of door and window replaces masonry, and the Antiseepage pieces wearing exterior wall pipeline is prefabricated, the professional component process etc. of specific position.
6, use management measure: routine use sets up inspection system, an exterior wall of monthly patrolling, exterior wall of patrolling before and after heavy rain, Timeliness coverage problem.
(2) waterproofing materials
External wall waterproof material refers to the material that can effectively prevent moisture, steam etc. in rainwater and air from invading building.Desirable waterproofing materials effectively inside concrete steam can be volatilized; can be impervious and tolerate strong hydraulic pressure for a long time; energy and the basic unit such as concrete, masonry combine closely; overall without interface; life-span same with concrete, can effectively and external-wall heat-insulation material, exterior wall paint or the protection such as exterior wall veneer concrete structure there is excellent adhesion, the compactness that lasting water-proof function can be kept to become reconciled and compressive strength; easy construction, can make levelling and waterproof one-shot forming.Domestic at present also do not have this materials and process.
Reach this waterproof effect, (from wound) levelling waterproofing course of pure-acrylic emulsion should be adopted.
(1) this waterproof composite material characteristic and advantage:
1, strong with base material adhesion stress, without interface, levelling and effect that is waterproof can be had simultaneously.
2, can be impervious and tolerate strong hydraulic pressure for a long time, there is not problem of aging, combine closely the same life-span with concrete, that is there is " forever " water proofing property.
3, the globality of waterproofing course can effectively be ensured, and the excellent combination power of top exterior-wall heat insulation or decoration of exterior wall.
4, require low to construction environment, do not have open fire to construct.
5, speed of application is fast, and leveling layer and waterproofing course one-step shaping, saved cost, saved the duration.
(3) integrated construction management
Construction quality is the decision link determining end product quality.Must pay much attention to and scientific management.Conscientiously tell somebody what one's real intentions are system, operation handing-over system, on-the-spot other station system, system of accountability in the scene of implementing, and strict control stress point, difficult point and thin portion structure, ensure construction quality.
(1) construction quality priority control point:
1, base cleaning: base cleaning is the necessary preparation before construction, base cleaning can ensure that external wall basic unit finds external wall structure layer defects without sharp object, carries out repairing or rectify and improve before waterproof construction.
2, construct: job instruction construction strictly pressed by waterproofing materials, first local test, qualified large-area construction again.The first bottoming process of the waterproof weak location such as corner, structure lap position, scupper, then planned sequence of construction carries out levelling, construction of waterproof layer.
3, visual inspection also carries out trickle experiment in time: after visual inspection is qualified, has ready conditions and carries out trickle experiment at once.
4, in strict accordance with thin portion secondary detailingi drawing construction, ensure detail construction quality, everyone has responsibility.
5, keep in repair inspection system: after the completion of external wall waterproofing, monthly patrol once, once, set up item record of patrol registration form, ensure to pinpoint the problems process in time in each heavy rain inspection.
Claims (6)
1. external wall comprehensive waterproof method, is characterized in that having carried out professional waterproof Deepen Design to external wall waterproof, the comprehensive systems approach of waterproof composite material waterproof and integrated construction management; Emphasize that each external wall should carry out professional waterproof Deepen Design in conjunction with on-site actual situations, form of structure etc., adopt the waterproof integrated approach of (from wound) pure-acrylic emulsion water-repellent paint one-step method exterior wall leveling layer and waterproofing course one-step shaping.Some waterproof primary structural component, concrete precast element, protective caps etc. are designed and produced according to external wall concrete condition; effectively can improve waterproof quality; reduce the impact of environment on construction; adopt this patented technology; levelling and the external wall waterproof of exterior wall can be made once to complete; save construction cost and engineering time, reduce construction investment.
2. professional waterproof Deepen Design according to claim 1, it is characterized in that the field condition according to external wall, the different materials overlap joint process such as form of structure, masonry, door window side under shelf hole, beam, wear the thin portions such as outer porthole and carry out detail treatment design, reduce original building and design the waterproof defect that may occur, improve external wall waterproof quality.
3. employing according to claim 1 (from wound) pure-acrylic emulsion water-repellent paint waterproof, it is characterized in that summing up according to the practical experience in past, from a kind of waterproof material of wound after contrast test, improve the bonding of waterproofing materials and base material, heat insulating material, decorative material with high-quality pure acrylic emulsion, improve impervious, the weather-proof ability of waterproofing materials and use; Object is produced and uses the waterproofing materials of guaranteeing both quality and quantity, and ensures the application life of waterproofing materials, thus ensure external wall waterproof total quality.Containing formula and the using method of this kind of material.
4. this material construction building exterior wall of employing according to claim 1, adopt one-step method construction method, the leveling layer of one-shot forming exterior wall and waterproofing course, saved construction cost and engineering time, decreased construction investment.
5. integrated construction management according to claim 1, its feature, to the system management of construction, comprises basic unit's inspection, repairing, construction, maintenance, inspection etc., ensures external wall waterproof construction quality.
6. according to claim 1ly oneself design and produce some waterproof primary structural component, concrete precast element, protective caps etc. according to external wall concrete condition; it is characterized in that oneself makes the auxiliary material of some waterproof constructions according to the concrete experience of waterproof construction; improve waterproof construction quality; make up the omission of current waterproof construction industry in this part, be made into standard component if desired and promote.
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| CN201510351330.XA CN105019570A (en) | 2015-06-24 | 2015-06-24 | Comprehensive water-proof method of building external wall |
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| CN104343190A (en) * | 2014-10-21 | 2015-02-11 | 江苏尼高科技有限公司 | Composite energy-saving system with self-heat preservation wall |
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| CN1408793A (en) * | 2001-12-27 | 2003-04-09 | 熊永强 | High binding power leveling mastic for wall |
| CN1872920A (en) * | 2005-05-31 | 2006-12-06 | 玉门石油管理局 | Super weather resisting elastic water proofing paint, and producing method |
| JP2010071047A (en) * | 2008-09-22 | 2010-04-02 | Asahi Kasei Homes Co | Exterior wall structure |
| CN102535773A (en) * | 2011-12-29 | 2012-07-04 | 荣盛建设工程有限公司 | Waterproof coating applying process |
| CN202689392U (en) * | 2012-06-14 | 2013-01-23 | 杭州法莱利化工涂料有限公司 | Wall surface anti-crack leveling layer structure of interior and exterior wall |
| CN103694830A (en) * | 2013-12-06 | 2014-04-02 | 成都嘉新科技集团有限公司 | Polymer cement waterproof coating |
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| CN104059452A (en) * | 2014-06-13 | 2014-09-24 | 江苏科技大学 | Environment-friendly waterproof exterior wall building coating and preparation method thereof |
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Effective date of registration: 20160223 Address after: 410007 Hunan province Changsha Chengnan Road No. 232 building 2905 room 2 Jin Fu Yuan Applicant after: Changsha 98 new Mstar Technology Ltd Address before: 410007 Hunan province Changsha Yuhua District Chigang road light No. 14, building 608 room 7 Applicant before: Hu Zhiqiang |
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Application publication date: 20151104 |