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改性稀浆封层技术是一种沥青路面的预防性养护技术,近年北京公路养护施工时在一些一级公路大中修工程使用效果很好,提高了路面的抗滑性能和防渗水性能,但目前该技术缺乏全国(行业)统一的概预算定额。文章结合北京市公路大中修工程的概预算审核工作,以补充定额法为基础对沥青路面改性稀浆封层的造价确定方法进行阐述,可为其他沥青路面养护维修新技术、新工艺、新设备和新材料的应用造价确定工作提供参考和借鉴。
Modified slurry seal technology is a preventive maintenance of asphalt pavement in Beijing in recent years, maintenance of highway construction in some large and medium-sized highway repair works with good results, improve the pavement slip resistance and water seepage performance However, at present, this technology lacks a unified budget estimate for the whole country (industry). Combined with the budgetary examination of the major and minor repairs of highway in Beijing, this article elaborates the method of determining the cost of modified slurry seal of asphalt pavement based on the supplementary quota method, which can be used for the maintenance of other new technologies and techniques of asphalt pavement maintenance, New equipment and new materials to determine the cost of the work to provide reference and reference.