防水材料在工程防水堵漏中应用方法
一、地下室工程 :
1. Basement engineering:
1.侧墙、底板板面渗水
Water seepage of 1. side walls and floor plates
原因:
Reason:
(1)混凝土施工质量差,存在微孔渗透;
(1) the quality of concrete construction is poor, and there is porous permeability.
(2)防水涂层粘结不牢或损坏。
(2) the waterproof coating is not firmly or damaged.
堵漏措施:
Leakage prevention measures:
(1)将渗水部位清理干净,用水泥基防水涂料作堵渗处理。
(1) clean up the site of water seepage and use cement based waterproof coating for plugging and seepage treatment.
(2)将渗水部位清理干净后,用水乳型氯丁橡胶沥青防水涂料等配合纤维增强材料作堵渗处理。
(2) after cleaning the seeping parts, the emulsion type chloroprene rubber bitumen waterproof coating and other fiber reinforced materials are used for the treatment of seepage.
2.地下室大面积严重漏水
2. serious leakage of large area in the basement
原因:
Reason:
(1)混凝土配合比及施工质量不良,存在灌通的孔洞;
(1) the concrete mix ratio and the poor quality of the construction exist, and there is a hole in the irrigation.
(2)由于各种原因使地下室出现裂缝;
(2) there are cracks in the basement for various reasons.
(3)防水涂层施工质量不好或防水涂层延伸性不够,而造成防水层拉裂。
(3) the construction quality of the waterproof coating is not good or the extensibility of the waterproof coating is not enough, which causes the waterproof layer to crack.
堵漏措施:
Leakage prevention measures:
除可采用壁内和壁后注浆,防水混凝土贴壁衬砌、水泥砂浆,挂网水泥砂浆抹面等方法外,也可采用防水涂料,先引流排水,然后填缝堵洞,杜绝渗漏。
In addition the wall and wall grouting, waterproof concrete wall lining, cement mortar, cement mortar precausions hanging net method, can also be used to waterproof coating, drainage, and caulking plugging hole, to avoid leakage.
3.变形缝、施工缝和新旧结构接头处渗漏
3. leakage at joint of deformation joint, construction seam and new and old structure
原因:
Reason:
(1)混凝土质量不良,收缩过大,出现裂缝;
(1) the quality of concrete is bad, the shrinkage is too large and the cracks appear.
(2)这些部位的细部防水处理方法欠妥善,如止水带安放位置不当,混凝土灌捣不够严实,嵌缝膏填塞不严等;
(2) detailed waterproof processing method of these parts of the deficiencies such as water stop improper placement, concrete vibrating tight enough, sealant packing is not strict etc.;
(3)密封材料及防水涂层延伸率不够,而被拉裂或脱离粘结面等。
(3) the extensibility of the sealing material and the waterproof coating is not enough, and it is cracked or separated from the adhesive surface.
堵漏措施:
Leakage prevention measures:
(1)在漏水部位嵌填,粘贴或注入柔性或弹性防水材料;
(1) inlay, paste or inject flexible or elastic waterproof material at the leakage part.
(2)在表面用弹性防水涂料(如聚氨酯防水涂料等)和纤维材料做增强防水层。
(2) on the surface of the elastic waterproof coating (such as polyurethane waterproof coating, etc.) and fiber materials to strengthen the waterproof layer.
4.穿墙管和预埋管处渗漏水
4. permeation of wall pipe and buried pipe
原因:
Reason:
(1)管子或套管安装不严密,周围出现裂缝和缝隙;
(1) the pipe or casing installation is not tight, and there are cracks and crevices around it.
(2)细部处理方法欠妥,管外壁及混凝土预留孔壁之间的密封材料填塞不严,外侧防水涂料加强层粘结不良等;
(2) the fine processing method is not appropriate, the sealing material between the outer wall and the retaining wall of the concrete is not tight, and the reinforcement layer of the outer waterproof coating is poor.
(3)密封材料及防水涂层因延伸率不够,而被拉裂,或脱离粘结面。
(3) the sealing material and waterproof coating are pulled apart or separated from the adhesive surface because of the insufficient elongation.
堵漏措施:
Leakage prevention measures:
(1)清理管外侧空间的嵌填密封材料或注浆,严密堵塞;
(1) the inlaid seal material or grouting in the outer space of the cleaning pipe is tightly clogged;
(2)管与地下室壁面连接根部用弹性防水涂料配合纤维材料做增强防水层。
(2) the pipe is connected to the wall of the basement with elastic waterproof coating and fiber material to strengthen the waterproof layer.
二、楼层及厕浴、厨房间 :
Two, floor and toilet bath, kitchen room:
1.板面及墙面渗水
1. plate surface and wall surface seepage
原因:
Reason:
(1)混凝土、砂浆施工质量不良,存在微孔渗透;
(1) the construction quality of concrete and mortar is poor, and there is porous permeability.
(2)板面、隔墙出现轻微裂缝:
(2) there are slight cracks in the plate and wall.
(3)防水涂层施工质量不好或损坏。
(3) the construction quality of the waterproof coating is not good or damaged.
堵漏措施:
Leakage prevention measures:
(1)拆除饰面材料,暴露渗水部位,涂刷防水涂料。除聚氨酯防水涂料外,通常都要求配合纤维材料进行修补。
(1) remove the decorative materials, expose the seeping parts, and paint the waterproof coating. Except for the polyurethane waterproof coating, it is usually required to be repaired with the fiber material.
(2)如有开裂现象,则应对裂缝进行增强防水处理;贴缝法:对微小的发丝裂缝,可刷防水涂料并加贴纤维材料或布条,作防水处理;填缝法:若较明显的裂缝,要进行扩缝处理,将缝扩展成15 ×15mm左右的V型槽,在清理干净后,刮填防水涂料或嵌缝材料;填缝加贴缝:除采用填缝法处理外,在缝表面再涂刷防水涂料,并粘贴纤维材料处理。亦可不拆除饰面,直接在其表面刮涂透明或彩色聚氨酯防水涂料。
(2) if there are cracks, cracks should strengthen waterproof treatment; mount joint method: tiny hair crack, can brush waterproof paint and add fiber material or cloth, waterproof treatment; filling method: if the crack is obvious, to enlarge the joint treatment, will be extended to V type groove joint about 15 * 15mm, in clean, scraping fill waterproof coating or caulking material; filling affixed by caulking seams: in addition to treatment, the joint surface waterproof coating is coated, and paste fiber material processing. A transparent or colored polyurethane waterproof coating can be scraped directly on its surface without dismantling the face.
2.预制楼板接缝部位漏水
2. the leakage of the seams of the prefabricated floor
原因:
Reason:
(1)楼板间接缝的细石混凝土及水泥砂浆填塞不严;
(1) the slit concrete and cement mortar between the joints between the floors are not tight;
(2)楼板位移、震动,使接缝部位产生裂缝;
(2) the floor displacement and vibration make the cracks in the joints.
(3)板间弹性嵌缝材料被拉裂或脱离粘结面。
(3) board elastic caulking materials are ripped or from the bonding surface.
堵漏措施:
Leakage prevention measures:
(1)拆除饰面材料,露出裂缝,采用上述板面及墙面渗水堵漏措施的填缝加贴缝方法进行处理;
(1) dismantling the veneer material and exposing the cracks, and using the above plate surface and the sealings and seams of the leakage and plugging measures of the wall to deal with.
(2)亦可不拆除饰面材料,直接在其表面刮涂透明或彩色聚氨酯防水涂料。
(2) a transparent or colored polyurethane waterproof coating can be scraped directly on its surface without dismantling the veneer material.
3.卫生洁具周围及穿楼板管、排水管口等部位渗漏
3. leakage around the sanitary wares and the perforation tube, drainage pipe and other parts
原因:
Reason:
(1)细部处理方法欠妥,卫生洁具及管口周边填塞不严;
(1) improper processing method, the sanitary ware and the circumjacent filling of the pipe mouth are not strict;
(2)由于振动及砂浆、混凝土收缩等原因,出现裂缝;
(2) cracks appear because of the vibration and the shrinkage of mortar and concrete.
(3)卫生洁具及管口周边未用弹性体材料处理,或施工时嵌缝材料及防水涂料粘结不牢;
(3) sanitary ware and pipe surrounding non elastomer materials for processing, or the construction of sealing materials and waterproof coating adhesive is not strong;
(4)嵌缝材料及防水涂层被拉裂或被拉离粘结面。
(4) sealing material and waterproof coating is crack or be pulled away from the bonding surface.
堵漏措施:
Leakage prevention measures:
(1)将漏水部位彻底清理,刮填弹性嵌缝材料;
(1) the Water Leakage site completely cleaned up, scraping filled elastic sealing material;
(2)在渗漏部位涂刷防水涂料,并粘贴纤维材料增强。
(2) the waterproofing coating is painted in the leakage position, and the fiber material is strengthened.
三、屋面工程 :
Three. Roof engineering:
1.屋面板渗漏
1. roof panel leakage
原因:
Reason:
(1)预制或现浇钢筋混凝土板质量不良,有微孔渗透现象;
(1) the prefabricated or cast-in-place reinforced concrete slab is poor in quality and has microporous permeability.
(2)屋面板开裂;
(2) the roof panel is cracked;
(3)防水涂层粘结不良,起泡,损坏;
(3) the waterproof coating is bad bonded, blistered and damaged.
(4)防水涂层延伸性不够好,随板面开裂而被拉裂,或防水涂层老化龟裂。
(4) the extensibility of the waterproof coating is not good enough, it is cracked with the crack of the plate surface, or the waterproof coating is aging and cracking.
堵漏措施:
Leakage prevention measures:
(1)局部清理已损坏的旧防水层表面,彻底清除所有杂物,尘灰。涂刷与旧防水层相同的防水涂料,或涂刷与旧防水层具有良好粘结力的同类防水涂料,并加贴纤维布增强。
(1) clean up the damaged surface of the old waterproof layer and completely remove all the sundries and dust. The same waterproof coating as the old waterproof layer, or the same kind of waterproof coating with good adhesive force with the old waterproof layer, and reinforced with the fiber cloth.
(2)彻底铲除旧防水层,露出屋面结构层或找平层,按板面及墙面渗水堵漏措施的贴缝法,填缝或填缝加贴缝法,对裂缝进行封闭处理,并在一定范围的面积内,涂刷防水涂料并粘贴纤维纸布增强。
(2) to completely eradicate the old waterproof layer, exposed roof structure layer or leveling layer, according to the board and wall leakage plugging measures with sewing, filling or filling affixed sewing, closed treatment of cracks, and in a certain area, brushing waterproof paint and paste fiber reinforced paper.
2.预制屋面板间接缝处渗漏
2. leakage between the joints between prefabricated roof panels
原因:
Reason:
(1)钢筋混凝土轻型屋盖的盖瓦安装不良,搭接不当;空心板、大型屋面板等的板缝间细石混凝土及砂浆填塞不严密;
(1) reinforced concrete light roof tiling poor installation lap improper; hollow board, roof panel and the large gap between fine stone concrete and mortar packing is not tight;
(2)由于各种原因造成屋面板位移,出现裂缝;
(2) due to various reasons, the roof displacements and cracks are caused.
(3)防水涂层
(3) waterproof coating