浅谈高速公路沥青路面密封胶灌缝施工.doc

浅谈高速公路沥青路面密封胶灌缝施工
of rural drinking water sources, protection of drinking water sources in rural areas by the ef protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities

　　由于不均匀沉降而引起的，主要出现桥涵两端，就是我们平时常说的桥涵头跳车，由于桥涵是刚性的而路面基层、底基层是半刚性的，因此沉降裂缝是不可避免的，我们在施工时只能减轻裂缝的程度。

施工裂缝也叫工作缝，是施工时引起的裂缝。要减少工作缝施工时应尽量采用大型拌和站和较为先进的摊铺机，能连续作业尽量连续作业。
2 道路路面整治密封胶灌缝处理
道路密封胶特性
　　道路密封胶是含沥青的人工合成胶，渗透性好，结合力强。优于传统沥青灌缝。
道路密封胶的材料、施工工艺及要求
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sour