RS路面贴缝带应用

,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,Sixth level,Seventh level,Eighth level,Ninth level,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,RS,系列路面裂缝贴缝带应用,4000686901,1,目 录,技术背景,路面贴缝带,RS,自粘式路面贴缝带,结语,2,技术背景,1、沥青路面裂缝开裂问题,裂缝是沥青路面主要病害之一，采用各种技,术手段封闭路面裂缝，防止水渗入路面结构内,部，被国际上广泛认为是减缓路面病害出现、延,长路面使用寿命的有效手段,。,3,2,、现有处理方式,:,填缝或灌缝,4,开槽,清扫,针式灌缝,贴封式灌缝,5,3,、存在的问题,1,）工序复杂，效率低，对交通影响大；,2,）设备投入大；,3,）次生病害多,破坏路面结构强度；,4,）消耗能源（加热），污染环境（废气、粉尘）,6,路面贴缝带,路面贴缝带,：又称抗裂贴、压缝带、贴缝胶等，,2000,年前国外产品就已经进入，受造价、性能等因素影响，未能得到广泛推广。,路面贴缝带分类,按材料组成分：有纤维布和无纤维布,按施工工艺分：热粘式和自粘式,7,有纤维布,无纤维布,8,热粘式,自粘式,9,中间断裂,边缘撕裂,局部脱落,10,贴缝带的技术要求,良好的粘结性,良好的高温抗流淌性能,良好的低温抗开裂性能,软化点,拉拔试验,低温拉伸试验,11,国内几种常见贴缝带的技术指标,试验样品,锥入度,/0.1mm,软化点,/,粘结强度,/MPa,低温拉伸,试验温度,/,最大位移,/mm,破坏模式,S1,38,92.7,24.2,-10,1.6,中间断裂,S2,50.3,93.3,20,-10,6.3,中间断裂,S3,26.6,99.4,40.8,-10,2.8,中间断裂,S4,77.3,84.8,74.7,-30,10.3,边缘撕裂,S5,63.2,81.4,56.8,-30,8.2,边缘撕裂,S6,41.4,103,39.7,-30,3.4,中间断裂,12,RS,自粘式路面贴缝带,RS,自粘式路面贴缝带：在长期调研国内外同类产品的基础,上，我院开发了,RS,系列自粘式路面贴缝带。,分类：分为四个类型：高温型、普通型、低温型和严寒,型，分别适用于,0,、,-10,、,-20,和,-30,地区,使用。,13,样品类型,锥入度,/0.1mm,软化点,/,粘结强度,/Mpa,低温拉伸,试验温度,/,最大位移,/mm,破坏模式,高温型,RS-0,47.50,90.00,20,0,6.54,中间断裂,普通型,RS -10,68.20,90.50,20,-10,9.055,中间断裂,低温型,RS -20,86.90,96.50,20,-20,24.164,中间断裂,严寒型,RS -30,106.50,86.00,20,-30,26.1225,中间断裂,RS,自粘式路面贴缝带技术指标,注：低温拉伸试验的破坏模式均为中间断裂，无脱落，证明粘结性能良好，最大位移明显高于其它同类材料,14,RS,自粘式贴缝带优点,1、施工便捷，效率高：无需任何机具，施工效率是灌缝的,10,倍以上；,2,、性价比高：造价是同等性能灌缝施工的,80%,左右。,3,、,粘结能力强,：,15,以上即可与路面紧密粘结；,4,、技术可靠：,不渗水，高温时不流淌、不粘轮，低温时不脆裂，耐久性好,，不会破坏路面结构；,5,、适用性强：可用于水泥路面、沥青路面的裂缝处理，还可用于旧路面罩面前的裂缝处置；,6,、节能环保：无燃料消耗，无尾气排放；,15,施工便捷的优点非常突出！,裂缝清扫,撕膜粘贴,人工压实,16,通车一年后贴缝带外观,17,施工注意事项,1,、裂缝表面干净干燥；裂缝宽度大于,1cm,时建议填充；,2,、建议在春夏季节施工，避免跳车或被铲雪车铲掉；,3,、地表温度低于,15,度施工时建议用热喷灯烤热地面；,4,、尽可能避免用手等污染粘贴面；,5,、粘贴完毕可马上开放交通，紧急行车道或路肩位置应采用小型压实机具压实；,6,、不适用于网状开裂，多条裂缝必须全部粘贴；,7,、重载路段十字路口和下坡位置。,18,19,室内试验和室外小规模测试均已验证：,采用,RS,贴缝带进行裂缝处理的可行性，但仍,需在大量工程应用中总结提高，并不断进行完,善，欢迎广大一线工程技术人员提出宝贵意见。,结语,20,谢谢,21,