联系我们
公司名称：XXX
电话：XXX
手机：XXX
联系人：XXX
地址：XXX
新闻动态
防水卷材还渗水？大神给你来支招！
卷材防水鼓泡
The coil is water-resistant and bubbling
现象
phenomenon
卷材铺贴后即发现鼓泡，一般由小到大，随气温的升高，气泡数量和尺寸增加。
When the roll is spread, the bubbling can be found, generally from small to large, with the increase of temperature, the number of bubbles and the increase in size.
原因分析
Cause analysis,
基层不干燥，表面没有扫刷干净，防水层底部有水汽渗入，基层面没有涂刷基层处理剂，粘结剂与卷材材性不匹配，涂刷不均匀，铺贴卷材时没有将底面的空气排除，有的排气槽堵塞等。
At the grass-roots level is not dry, the surface is not sweep brush clean, waterproof layer at the bottom of the water vapor infiltration, surface without brushing treatment agent at the grass-roots level, binder and coil material mismatch, uneven coating, when the shop is stuck coil don't exclude the underside of the air, some of the exhaust slot plug, etc.
防治措施
Prevention and control measures
基层必须干燥，用简易检验方法测试合格后，方可铺贴。
The grass roots must be dried, and the test method can be used for post-test.
基层要扫刷干净，选用的基层处理剂、粘结剂要和卷材的材性相匹配，经测试合格后方可使用。
The grass root should sweep clean, the primary treatment agent that chooses, the adhesive should be matched with the material sex of the coil, after passing the test, can be used.
待涂刷的基层处理剂干燥后，涂刷粘结剂。卷材铺贴时，必须抹除下面的空气，滚压密实。也可采用条粘、点粘、空铺的方法，确保排气道畅通。
After the primary treatment agent is dry, brush adhesive. When the roll is tiled, the air must be removed and compacted. It can also be used to ensure that the exhaust duct is unblocked.
有保温层的卷材防水屋面工程，必须设置纵横贯通的排气槽和穿出防水层的排气井，见图1。
A waterproof roofing project with insulation layer must be set up in the air vent tank and the exhaust well of the waterproof layer, as shown in figure 1.
图1 排气槽和排气井
FIG. 1 exhaust and exhaust Wells
卷材防水层裂缝
Crack in the coil
现象
phenomenon
防水层出现沿预制屋面板端头裂缝、节点裂缝、不规则裂缝渗漏。
The waterproof layer appeared along the end crack of the prefabricated roof plate, cracks of joints and irregular cracks.
原因分析
Cause analysis,
盲目使用延伸率低的卷材，板端头和节点细部没有做附加缓冲层和增强层，施工方法错误，如在铺贴卷材时拉得过紧。
Blind use of rolling materials with low elongation, no additional buffer layer and enhancement layer for the end and node details of the plate, and construction method errors, such as drawing too tight when spreading the material.
防治措施
Prevention and control measures
选用延伸率大，耐用年限要高于15年的卷材。
The extension rate is large, and the durable years are higher than 15 years.
在预制屋面板端头缝处设缓冲层，见图2和图3，干铺卷材条宽300mm。铺卷材时不宜拉得太紧。夏天施工要放松后铺贴。
A buffer layer is set up at the end of the prefabricated roof panel, as shown in FIG. 2 and FIG. 3, and the dry rolling strip is 300mm wide. Do not pull too tight when rolling. Summer construction should be relaxed and post-spread.
在防水卷材已出现裂缝时，沿规则的裂缝弹线，用切割机切割。如基层没有留分格缝，则要切缝，缝宽20mm，缝内嵌填柔性密封膏，面上沿缝空铺一条宽200mm的卷材条作缓冲层，再满粘一条350mm宽的卷材防水层，节点细部裂缝的处理方法同上。
In the cracks of the waterproof rolling material, the crack spring along the rule is cut with the cutting machine. Does not leave frame joints such as grassroots, to sewing, cutting seam width of 20 mm, seam embedded fill the flexible sealing paste, along the seam empty shop on a 200 mm wide coil as a buffer layer, don't stick with a 350 mm wide of coiled material waterproof layer, node details above fracture treatment.
图2 板缝缓冲层
FIG. 2 seam buffer layer
1—密封材料；2—干铺卷材；3—防水层
1 -- sealing material; 2. Dry rolling materials; 3, waterproof layer
图3 板缝处理
FIG. 3 seam treatment
1—上风一侧点贴固定；2—干铺卷材条；3—聚氯乙烯胶泥；4—φ20浸油草绳；
1 -- fixed on one side of the windward; 2. Dry roll bar; 3 - polyvinyl chloride cement; 4 -- phi 20 leaching straw rope;
5—C20细石混凝土
5 - C20 fine stone concrete
女儿墙根部漏水
The root of the parapet was leaking
现象
phenomenon
防水层沿女儿墙根部阴角空鼓、裂缝，女儿墙砌体裂缝，压顶裂缝，山墙被推出墙面，雨水从缝隙中灌人内墙。
The waterproof layer along the root of the female children's wall of the hollow drums, cracks, the women's wall masonry cracks, the roof cracks, the wall of the wall is pushed out the wall, rainwater from the cracks in the inner wall.
原因分析
Cause analysis,
找平层、刚性防水层等施工时直接靠紧女儿墙，不留分格缝，长条女儿墙砌体没有留伸缩缝，在温差作用下，山墙和女儿墙开裂；女儿墙等根部阴角没有按规定做圆弧，铺卷材防水层没有按规定做缓冲层，卷材端边的收头密封不好，导致裂缝、张口而渗漏水。
The leveling layer, rigid waterproof layer and other works directly rely on the female children's wall, without dividing the seam, the women's wall masonry without expansion joints, under the effect of temperature difference, the wall and the women's wall cracking; The female children's wall and other root Yin Angle did not do the circular arc in accordance with the regulations, the waterproof layer of the rolling materials did not do the buffer layer according to the regulation, the closing of the end of the coil was not well sealed, causing the crack, opening of the mouth and leaking water.
防治措施
Prevention and control measures
施工屋面找平层和刚性防水层时，在女儿墙交接处应留30mm的分格缝，缝中嵌填柔性密封膏。
In the construction of roof leveling and rigid waterproof layer, the female wall should be kept at 30mm.
女儿墙根部的阴角粉成圆弧，女儿墙高度大于 800mm时，要留凹槽，见图4，卷材端部应裁齐压入预留凹槽内，钉牢后用水泥砂浆或密封材料将凹槽嵌填严实。
Internal Angle of parapet root powder into a circular arc, parapet height is greater than 800 mm, want to leave grooves, as shown in figure 4, the coil ends should be cut qi pressure into the reserved grooves, fastened with cement mortar or sealing materials will be embedded groove filling sealed.
女儿墙高度低于800mm时，卷材端头直接铺贴到女儿墙顶面，再做钢筋混凝土压顶。见图5。
When the height of the women's wall is less than 800mm, the end of the coil is directly attached to the top of the parapet, and then the reinforced concrete roof is made. As shown in figure 5.
图4 女儿墙卷材泛水收头
FIG. 4 water harvesting of parapet wall
1—凹槽；2—密封材料；3—附加层；4—防水层
1 - groove; 2. Sealing material; 3 - additional layer; 4, waterproof layer
图5 女儿墙压顶与卷材收头
Fig.5 female wall pressure top and roll head
1—压顶；2—附加层；3—防水层；
1 - coping; 2 - additional layer; 3 - waterproof layer;
天沟、檐沟漏水
Gutter, gutter water leakage
现象
phenomenon
沿沟底或预制檐沟的接头处，屋面与天沟交接处裂缝，沟底渗漏水。
At the end of the ditch or precast gutter, the roof cracks in the groove and the bottom seeps.
原因分析
Cause analysis,
天沟、檐沟的结构变形，温差变形导致裂缝，防水构造层不符合要求，水落口杯直径太小或堵塞造成溢水、漏水。
The structure of the gutter and the gutter is deformed, the temperature difference deformation causes the fracture, the waterproof formation layer does not meet the requirements, the water drop mouth cup is too small or the diameter of the cup causes overflow and water leakage.
防治措施
Prevention and control measures
沟内防水层施工前，先检查预制天沟的接头和屋面基层结合处的灌缝是否严密和平整，水落口杯要安装好，排水坡度不宜小于 1％。
Before the construction of the trench waterproof layer, check whether the joints of the pre-made trenches and the floor of the roof are tight and flat, the water drop cup should be installed well, and the drainage slope should not be less than 1%.
沟底阴角要抹成圆弧，转角处阳角要抹成钝角，用与卷材同性质的涂膜做防水增强层，沟与屋面交接处空铺宽为200mm的卷材条，防水卷材必须铺到天沟外邦顶面。见图6。
Yang Angle of groove Yin put into a circular arc, the corner Angle put into an obtuse Angle, made waterproof reinforced with coil homogenous coating layer, gap junction with the roof empty article spread width is 200 mm coil, waterproofing materials must be spread to the gutter at the top of the gentiles. As shown in figure 6.
图6 檐沟
Figure 6 rone
1—防水层；2—附加层；3—密封材料；4—干铺卷材
1 - waterproof layer; 2 - additional layer; 3 - sealing material; 4 -- dry rolling materials
变形缝漏水
Water leakage
现象
phenomenon
沿变形缝根部裂缝及缝上封盖处漏水。
Water leakage from the root crack of the deformation seam and seal.
原因分析
Cause analysis,
变形缝细部构造不当，根部阴角没有做圆弧和防水附加层，顶面封盖没有做缓冲层，封盖拉裂后破坏致使防水层出现渗漏水。
Improper construction of the deformation joint, no circular arc and waterproof layer in the root Angle of the root, no buffer layer to cover the top cover, and the damage caused by the damage caused by the rupture caused by the rupture of the cover.
防治措施
Prevention and control measures
检查抹灰质量和干燥程度，扫刷干净，按图7所示，在根部铺一层附加层，附加卷材宽300mm，卷材上端要粘牢固(其余为空铺)。
Check the quality and dryness of the plaster, sweep the brush clean, as shown in figure 7, layer a layer of additional layer on the root, the additional coil width 300mm, and the top of the coil should be strong (the rest is the empty shop).
在立墙和顶面，卷材要满粘贴，墙顶面盖一条与墙面同宽的卷材，贴好一面后，缝中嵌入衬垫材料，再贴好另一面，上面再覆盖一层卷材，卷材比墙外两边宽200mm，覆盖后粘牢，用现浇或预制钢筋混凝土盖板扣压牢固，预制盖板的接缝用密封膏嵌填密实。
In vertical wall and top surface coil with paste, top of the wall cover a wide coil, with metope stick after good side, seam embedded in the pad material, the other side stick good again, top that covers a layer of coil, coil than on both sides of the wall 200 mm wide, covering cement, after using cast-in-place or precast reinforced concrete plate withhold, prefabricated plate seam fill dense embedded with sealant.
图7 变形缝防水构造
FIG. 7 deformation joint waterproofing construction
1—衬垫材料；2—卷材封盖；3—防水层；4—附加层；5—沥青麻丝；5—水泥砂浆；7—混凝土盖板
1 - gasket material; 2 - roll cover; 3 - waterproof layer; 4 - additional layer; 5 - asphalt jute; 5 - cement mortar; 7 - concrete cover plate
水落口漏水
Water leak
现象
phenomenon
沿水落口周围漏水，有的水落口面高于防水层而积水，或因水落口小，堵塞而溢水。
Water leakage along the water outlet, some of the water outlet surface is higher than the waterproof layer, or because of the water drop, blocked and overflow.
原因分析
Cause analysis,
水落口杯安装的高度高于基层，水落口杯与结构层接触处没有堵嵌密实，横式穿墙水落口与墙体之间的空隙，没有用砂浆填嵌严实，没有做防水附加层，防水层没有伸入水落口杯内的一定距离，造成雨水沿水落口外侧与水泥砂浆的接缝处渗漏水。
Impinges koubei height is higher than the basic installation, impinges koubei contacts and structure layer without plugging embedded close-grained, horizontal type wall impinges mouth with wall body, the gap between without mortar filling embedded sealed, didn't do waterproof additional layer, waterproof layer, not into impinges koubei within a certain distance, the rain along the mouth impinges the lateral and cement mortar joint leakage.
防治措施
Prevention and control measures
现浇天沟的直式水落口杯，要先安装在模板上，方可浇筑混凝土，沿杯边捣固密实。预制天沟，水落口杯安装好后要托好杯管周的底模板。用配合比为1：2：2的水泥、砂、细石子混凝土灌筑捣实，沿杯壁与天沟结合处上面留20mm×20mm的凹槽并嵌填密封材料，水落口杯顶面不应高于天沟找平层。见图8。
The straight water drop cup that is poured over the gutter should be installed on the template before pouring concrete and tamping along the cup. Precast the ditch, the water drop cup is installed after the installation of the bottom template of the tube. With a mixture of 1:2:2 of cement, sand, fine stone concrete placing tamping, along the glass with the roof gutter attaches the upper left 20 mm x 20 mm groove filling sealing material, impinges koubei top surface should not be higher than gutter leveling layer. As shown in figure 8.
水落口的附加卷材粘贴方法：裁一条宽大于或等于250mm，长为水落口内径加100mm的卷材卷成圆筒，伸入水落口内100mm粘贴牢固，露出水落口外的卷材剪成30mm宽的小条外翻，粘贴在水落口外周围的平面上，再剪一块直径比水落口杯内径大200mm的卷材，居中按水落口杯内径剪成米字形，涂胶贴牢，将米字条向口内下插贴牢，然后再铺贴大面防水层。
Additional coil impinges mouth paste method: cut a wide to or equal to 250 mm, length of impinges mouth diameter 100 mm coil rolled into a cylinder, into 100 mm impinges mouths stickup and firm, show impinges esrtuary coil cut into small article 30 mm wide rim, paste in impinges outlets around the plane, then cut a bigger than koubei impinges inner diameter 200 mm diameter of the coil, centered by impinges koubei diameter cut MiZiXing, glue stick, rice inside the note to his mouth down, and then the shop is stuck bedding face waterproof layer.
图8 水落口
FIG. 8 water gap
1—密封材料；2—防水层；3—附加层；4—找平层；5—密封材料
1 -- sealing material; 2 - waterproof layer; 3 - additional layer; 4 - leveling layer; 5 - sealing material
The coil is water-resistant and bubbling
现象
phenomenon
卷材铺贴后即发现鼓泡，一般由小到大，随气温的升高，气泡数量和尺寸增加。
When the roll is spread, the bubbling can be found, generally from small to large, with the increase of temperature, the number of bubbles and the increase in size.
原因分析
Cause analysis,
基层不干燥，表面没有扫刷干净，防水层底部有水汽渗入，基层面没有涂刷基层处理剂，粘结剂与卷材材性不匹配，涂刷不均匀，铺贴卷材时没有将底面的空气排除，有的排气槽堵塞等。
At the grass-roots level is not dry, the surface is not sweep brush clean, waterproof layer at the bottom of the water vapor infiltration, surface without brushing treatment agent at the grass-roots level, binder and coil material mismatch, uneven coating, when the shop is stuck coil don't exclude the underside of the air, some of the exhaust slot plug, etc.
防治措施
Prevention and control measures
基层必须干燥，用简易检验方法测试合格后，方可铺贴。
The grass roots must be dried, and the test method can be used for post-test.
基层要扫刷干净，选用的基层处理剂、粘结剂要和卷材的材性相匹配，经测试合格后方可使用。
The grass root should sweep clean, the primary treatment agent that chooses, the adhesive should be matched with the material sex of the coil, after passing the test, can be used.
待涂刷的基层处理剂干燥后，涂刷粘结剂。卷材铺贴时，必须抹除下面的空气，滚压密实。也可采用条粘、点粘、空铺的方法，确保排气道畅通。
After the primary treatment agent is dry, brush adhesive. When the roll is tiled, the air must be removed and compacted. It can also be used to ensure that the exhaust duct is unblocked.
有保温层的卷材防水屋面工程，必须设置纵横贯通的排气槽和穿出防水层的排气井，见图1。
A waterproof roofing project with insulation layer must be set up in the air vent tank and the exhaust well of the waterproof layer, as shown in figure 1.
图1 排气槽和排气井
FIG. 1 exhaust and exhaust Wells
卷材防水层裂缝
Crack in the coil
现象
phenomenon
防水层出现沿预制屋面板端头裂缝、节点裂缝、不规则裂缝渗漏。
The waterproof layer appeared along the end crack of the prefabricated roof plate, cracks of joints and irregular cracks.
原因分析
Cause analysis,
盲目使用延伸率低的卷材，板端头和节点细部没有做附加缓冲层和增强层，施工方法错误，如在铺贴卷材时拉得过紧。
Blind use of rolling materials with low elongation, no additional buffer layer and enhancement layer for the end and node details of the plate, and construction method errors, such as drawing too tight when spreading the material.
防治措施
Prevention and control measures
选用延伸率大，耐用年限要高于15年的卷材。
The extension rate is large, and the durable years are higher than 15 years.
在预制屋面板端头缝处设缓冲层，见图2和图3，干铺卷材条宽300mm。铺卷材时不宜拉得太紧。夏天施工要放松后铺贴。
A buffer layer is set up at the end of the prefabricated roof panel, as shown in FIG. 2 and FIG. 3, and the dry rolling strip is 300mm wide. Do not pull too tight when rolling. Summer construction should be relaxed and post-spread.
在防水卷材已出现裂缝时，沿规则的裂缝弹线，用切割机切割。如基层没有留分格缝，则要切缝，缝宽20mm，缝内嵌填柔性密封膏，面上沿缝空铺一条宽200mm的卷材条作缓冲层，再满粘一条350mm宽的卷材防水层，节点细部裂缝的处理方法同上。
In the cracks of the waterproof rolling material, the crack spring along the rule is cut with the cutting machine. Does not leave frame joints such as grassroots, to sewing, cutting seam width of 20 mm, seam embedded fill the flexible sealing paste, along the seam empty shop on a 200 mm wide coil as a buffer layer, don't stick with a 350 mm wide of coiled material waterproof layer, node details above fracture treatment.
图2 板缝缓冲层
FIG. 2 seam buffer layer
1—密封材料；2—干铺卷材；3—防水层
1 -- sealing material; 2. Dry rolling materials; 3, waterproof layer
图3 板缝处理
FIG. 3 seam treatment
1—上风一侧点贴固定；2—干铺卷材条；3—聚氯乙烯胶泥；4—φ20浸油草绳；
1 -- fixed on one side of the windward; 2. Dry roll bar; 3 - polyvinyl chloride cement; 4 -- phi 20 leaching straw rope;
5—C20细石混凝土
5 - C20 fine stone concrete
女儿墙根部漏水
The root of the parapet was leaking
现象
phenomenon
防水层沿女儿墙根部阴角空鼓、裂缝，女儿墙砌体裂缝，压顶裂缝，山墙被推出墙面，雨水从缝隙中灌人内墙。
The waterproof layer along the root of the female children's wall of the hollow drums, cracks, the women's wall masonry cracks, the roof cracks, the wall of the wall is pushed out the wall, rainwater from the cracks in the inner wall.
原因分析
Cause analysis,
找平层、刚性防水层等施工时直接靠紧女儿墙，不留分格缝，长条女儿墙砌体没有留伸缩缝，在温差作用下，山墙和女儿墙开裂；女儿墙等根部阴角没有按规定做圆弧，铺卷材防水层没有按规定做缓冲层，卷材端边的收头密封不好，导致裂缝、张口而渗漏水。
The leveling layer, rigid waterproof layer and other works directly rely on the female children's wall, without dividing the seam, the women's wall masonry without expansion joints, under the effect of temperature difference, the wall and the women's wall cracking; The female children's wall and other root Yin Angle did not do the circular arc in accordance with the regulations, the waterproof layer of the rolling materials did not do the buffer layer according to the regulation, the closing of the end of the coil was not well sealed, causing the crack, opening of the mouth and leaking water.
防治措施
Prevention and control measures
施工屋面找平层和刚性防水层时，在女儿墙交接处应留30mm的分格缝，缝中嵌填柔性密封膏。
In the construction of roof leveling and rigid waterproof layer, the female wall should be kept at 30mm.
女儿墙根部的阴角粉成圆弧，女儿墙高度大于 800mm时，要留凹槽，见图4，卷材端部应裁齐压入预留凹槽内，钉牢后用水泥砂浆或密封材料将凹槽嵌填严实。
Internal Angle of parapet root powder into a circular arc, parapet height is greater than 800 mm, want to leave grooves, as shown in figure 4, the coil ends should be cut qi pressure into the reserved grooves, fastened with cement mortar or sealing materials will be embedded groove filling sealed.
女儿墙高度低于800mm时，卷材端头直接铺贴到女儿墙顶面，再做钢筋混凝土压顶。见图5。
When the height of the women's wall is less than 800mm, the end of the coil is directly attached to the top of the parapet, and then the reinforced concrete roof is made. As shown in figure 5.
图4 女儿墙卷材泛水收头
FIG. 4 water harvesting of parapet wall
1—凹槽；2—密封材料；3—附加层；4—防水层
1 - groove; 2. Sealing material; 3 - additional layer; 4, waterproof layer
图5 女儿墙压顶与卷材收头
Fig.5 female wall pressure top and roll head
1—压顶；2—附加层；3—防水层；
1 - coping; 2 - additional layer; 3 - waterproof layer;
天沟、檐沟漏水
Gutter, gutter water leakage
现象
phenomenon
沿沟底或预制檐沟的接头处，屋面与天沟交接处裂缝，沟底渗漏水。
At the end of the ditch or precast gutter, the roof cracks in the groove and the bottom seeps.
原因分析
Cause analysis,
天沟、檐沟的结构变形，温差变形导致裂缝，防水构造层不符合要求，水落口杯直径太小或堵塞造成溢水、漏水。
The structure of the gutter and the gutter is deformed, the temperature difference deformation causes the fracture, the waterproof formation layer does not meet the requirements, the water drop mouth cup is too small or the diameter of the cup causes overflow and water leakage.
防治措施
Prevention and control measures
沟内防水层施工前，先检查预制天沟的接头和屋面基层结合处的灌缝是否严密和平整，水落口杯要安装好，排水坡度不宜小于 1％。
Before the construction of the trench waterproof layer, check whether the joints of the pre-made trenches and the floor of the roof are tight and flat, the water drop cup should be installed well, and the drainage slope should not be less than 1%.
沟底阴角要抹成圆弧，转角处阳角要抹成钝角，用与卷材同性质的涂膜做防水增强层，沟与屋面交接处空铺宽为200mm的卷材条，防水卷材必须铺到天沟外邦顶面。见图6。
Yang Angle of groove Yin put into a circular arc, the corner Angle put into an obtuse Angle, made waterproof reinforced with coil homogenous coating layer, gap junction with the roof empty article spread width is 200 mm coil, waterproofing materials must be spread to the gutter at the top of the gentiles. As shown in figure 6.
图6 檐沟
Figure 6 rone
1—防水层；2—附加层；3—密封材料；4—干铺卷材
1 - waterproof layer; 2 - additional layer; 3 - sealing material; 4 -- dry rolling materials
变形缝漏水
Water leakage
现象
phenomenon
沿变形缝根部裂缝及缝上封盖处漏水。
Water leakage from the root crack of the deformation seam and seal.
原因分析
Cause analysis,
变形缝细部构造不当，根部阴角没有做圆弧和防水附加层，顶面封盖没有做缓冲层，封盖拉裂后破坏致使防水层出现渗漏水。
Improper construction of the deformation joint, no circular arc and waterproof layer in the root Angle of the root, no buffer layer to cover the top cover, and the damage caused by the damage caused by the rupture caused by the rupture of the cover.
防治措施
Prevention and control measures
检查抹灰质量和干燥程度，扫刷干净，按图7所示，在根部铺一层附加层，附加卷材宽300mm，卷材上端要粘牢固(其余为空铺)。
Check the quality and dryness of the plaster, sweep the brush clean, as shown in figure 7, layer a layer of additional layer on the root, the additional coil width 300mm, and the top of the coil should be strong (the rest is the empty shop).
在立墙和顶面，卷材要满粘贴，墙顶面盖一条与墙面同宽的卷材，贴好一面后，缝中嵌入衬垫材料，再贴好另一面，上面再覆盖一层卷材，卷材比墙外两边宽200mm，覆盖后粘牢，用现浇或预制钢筋混凝土盖板扣压牢固，预制盖板的接缝用密封膏嵌填密实。
In vertical wall and top surface coil with paste, top of the wall cover a wide coil, with metope stick after good side, seam embedded in the pad material, the other side stick good again, top that covers a layer of coil, coil than on both sides of the wall 200 mm wide, covering cement, after using cast-in-place or precast reinforced concrete plate withhold, prefabricated plate seam fill dense embedded with sealant.
图7 变形缝防水构造
FIG. 7 deformation joint waterproofing construction
1—衬垫材料；2—卷材封盖；3—防水层；4—附加层；5—沥青麻丝；5—水泥砂浆；7—混凝土盖板
1 - gasket material; 2 - roll cover; 3 - waterproof layer; 4 - additional layer; 5 - asphalt jute; 5 - cement mortar; 7 - concrete cover plate
水落口漏水
Water leak
现象
phenomenon
沿水落口周围漏水，有的水落口面高于防水层而积水，或因水落口小，堵塞而溢水。
Water leakage along the water outlet, some of the water outlet surface is higher than the waterproof layer, or because of the water drop, blocked and overflow.
原因分析
Cause analysis,
水落口杯安装的高度高于基层，水落口杯与结构层接触处没有堵嵌密实，横式穿墙水落口与墙体之间的空隙，没有用砂浆填嵌严实，没有做防水附加层，防水层没有伸入水落口杯内的一定距离，造成雨水沿水落口外侧与水泥砂浆的接缝处渗漏水。
Impinges koubei height is higher than the basic installation, impinges koubei contacts and structure layer without plugging embedded close-grained, horizontal type wall impinges mouth with wall body, the gap between without mortar filling embedded sealed, didn't do waterproof additional layer, waterproof layer, not into impinges koubei within a certain distance, the rain along the mouth impinges the lateral and cement mortar joint leakage.
防治措施
Prevention and control measures
现浇天沟的直式水落口杯，要先安装在模板上，方可浇筑混凝土，沿杯边捣固密实。预制天沟，水落口杯安装好后要托好杯管周的底模板。用配合比为1：2：2的水泥、砂、细石子混凝土灌筑捣实，沿杯壁与天沟结合处上面留20mm×20mm的凹槽并嵌填密封材料，水落口杯顶面不应高于天沟找平层。见图8。
The straight water drop cup that is poured over the gutter should be installed on the template before pouring concrete and tamping along the cup. Precast the ditch, the water drop cup is installed after the installation of the bottom template of the tube. With a mixture of 1:2:2 of cement, sand, fine stone concrete placing tamping, along the glass with the roof gutter attaches the upper left 20 mm x 20 mm groove filling sealing material, impinges koubei top surface should not be higher than gutter leveling layer. As shown in figure 8.
水落口的附加卷材粘贴方法：裁一条宽大于或等于250mm，长为水落口内径加100mm的卷材卷成圆筒，伸入水落口内100mm粘贴牢固，露出水落口外的卷材剪成30mm宽的小条外翻，粘贴在水落口外周围的平面上，再剪一块直径比水落口杯内径大200mm的卷材，居中按水落口杯内径剪成米字形，涂胶贴牢，将米字条向口内下插贴牢，然后再铺贴大面防水层。
Additional coil impinges mouth paste method: cut a wide to or equal to 250 mm, length of impinges mouth diameter 100 mm coil rolled into a cylinder, into 100 mm impinges mouths stickup and firm, show impinges esrtuary coil cut into small article 30 mm wide rim, paste in impinges outlets around the plane, then cut a bigger than koubei impinges inner diameter 200 mm diameter of the coil, centered by impinges koubei diameter cut MiZiXing, glue stick, rice inside the note to his mouth down, and then the shop is stuck bedding face waterproof layer.
图8 水落口
FIG. 8 water gap
1—密封材料；2—防水层；3—附加层；4—找平层；5—密封材料
1 -- sealing material; 2 - waterproof layer; 3 - additional layer; 4 - leveling layer; 5 - sealing material
