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江苏省高速公路沥青路面下封层通常采用如下处治方案:喷洒液体石油沥青透层加乳化重交沥青单层表面处治;喷洒液体石油沥青透层加乳化SBS改性沥青单层表面处治;乳化重交沥青单层表面处治;乳化SBS改性沥青单层表面处治,在下封层施工前还要对半刚性基层的收缩裂缝采用玻纤网进行处治。文章介绍Simm应力吸收层技术在盐通高速公路上的应用。
Under the asphalt pavement of Jiangsu Province, the following options are usually adopted for the sealing layer of the asphalt pavement: the spraying of liquid petroleum asphalt through the surface layer of the single layer of asphalt emulsion plus heavy asphalt; the spraying of the liquid petroleum asphalt through the surface of the single layer through the emulsified SBS modified asphalt; Bitumen single-layer surface treatment; emulsion SBS modified bitumen single-layer surface treatment, but also in the next seal before the construction of semi-rigid grass-roots shrinkage cracks using fiberglass mesh for treatment. The paper introduces the application of Simm stress absorption layer technology in Yantong Expressway.