振动压实半刚性基层大厚层施工技术研究
发布时间：2018-09-04 16:22
【摘要】：半刚性基层施工技术在国内的研究较多，，在国内多省市地区得到了大面积的推广应用，铺筑效果良好，材料的路用性能显著提高，但目前施工技术应用的单层铺筑厚度却仅限于16～20cm，基层需要采取分层施工，分层施工受材料层间接触状态的影响，对路面构成整体性能差，分层施工周期长，从而施工成本增加。大厚度摊铺施工存在材料离析控制、压实度控制标准以及检测方法等方面问题需要深入研究解决。大厚度施工技术的成功应用显著增加了水泥稳定碎石基层的整体性能。 本论文以振动压实法为试验手段，对水泥稳定碎石进行路用性能研究，提出相应的大厚度施工技术、质量控制和验收评价指标，从而推广和规范化该项技术的应用。首先对水泥稳定级配碎石进行配合比优化及路用性能研究；其次对大厚度施工碾压设备、碾压工艺、养生、压实度差异控制、防离析处理措施等进行研究，确定大厚度水泥稳定碎石基层施工技术；再次对压实度检测方法及现场质量控制方法进行研究，确定大厚度水泥稳定级配碎石基层质量控制与验收评价方法；最后进行实体工程应用以及技术经济的分析。 通过本文的研究能有效的提高水泥稳定碎石基层施工效率，减少早期开裂破坏，进一步改善和提高公路沥青路面的使用质量，延长使用寿命，适应全国日益增长的经济建设和行车安全舒适的需求，实现更大的经济和社会效益。
[Abstract]:The semi-rigid base construction technology has been widely studied in China. It has been widely used in many provinces and cities in China. The paving effect is good, and the pavement performance of the material is improved significantly. However, at present, the thickness of single layer paving is limited to 16 ~ 20 cm. The layered construction is required. The layered construction is affected by the contact state between the layers of materials, and the overall performance of the pavement is poor, and the construction period of the layered construction is long. As a result, construction costs increase. The problems of material segregation control, compactness control standard and testing method need to be deeply studied and solved in the construction of large thickness paving. The successful application of large thickness construction technology has significantly increased the overall performance of cement stabilized crushed stone base. In this paper, the vibratory compaction method is used to study the road performance of cement stabilized macadam, and the corresponding large thickness construction technology, quality control and acceptance evaluation index are put forward, so as to extend and standardize the application of this technology. First of all, the mixture ratio optimization and road performance of cement stabilized graded crushed stone are studied; secondly, the compaction equipment, compaction process, health maintenance, compaction degree difference control, anti-segregation treatment measures and so on are studied in the construction of large thickness compacting equipment, compaction process, health maintenance, compaction degree difference control, anti-segregation treatment and so on. The construction technology of cement stabilized macadam base course with large thickness is determined, the compaction testing method and field quality control method are studied again, and the quality control and acceptance evaluation method of cement stabilized crushed stone base course with large thickness cement grade are determined. Finally, the application of entity engineering and the analysis of technical economy are carried out. Through the research of this paper, it can effectively improve the construction efficiency of cement stabilized crushed stone base, reduce the early cracking and damage, further improve and improve the use quality of highway asphalt pavement, and prolong the service life. To meet the increasing economic construction and the demand of driving safety and comfort, to achieve greater economic and social benefits.
【学位授予单位】：重庆交通大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U415.6
本文编号：2222709
[Abstract]:The semi-rigid base construction technology has been widely studied in China. It has been widely used in many provinces and cities in China. The paving effect is good, and the pavement performance of the material is improved significantly. However, at present, the thickness of single layer paving is limited to 16 ~ 20 cm. The layered construction is required. The layered construction is affected by the contact state between the layers of materials, and the overall performance of the pavement is poor, and the construction period of the layered construction is long. As a result, construction costs increase. The problems of material segregation control, compactness control standard and testing method need to be deeply studied and solved in the construction of large thickness paving. The successful application of large thickness construction technology has significantly increased the overall performance of cement stabilized crushed stone base. In this paper, the vibratory compaction method is used to study the road performance of cement stabilized macadam, and the corresponding large thickness construction technology, quality control and acceptance evaluation index are put forward, so as to extend and standardize the application of this technology. First of all, the mixture ratio optimization and road performance of cement stabilized graded crushed stone are studied; secondly, the compaction equipment, compaction process, health maintenance, compaction degree difference control, anti-segregation treatment measures and so on are studied in the construction of large thickness compacting equipment, compaction process, health maintenance, compaction degree difference control, anti-segregation treatment and so on. The construction technology of cement stabilized macadam base course with large thickness is determined, the compaction testing method and field quality control method are studied again, and the quality control and acceptance evaluation method of cement stabilized crushed stone base course with large thickness cement grade are determined. Finally, the application of entity engineering and the analysis of technical economy are carried out. Through the research of this paper, it can effectively improve the construction efficiency of cement stabilized crushed stone base, reduce the early cracking and damage, further improve and improve the use quality of highway asphalt pavement, and prolong the service life. To meet the increasing economic construction and the demand of driving safety and comfort, to achieve greater economic and social benefits.
【学位授予单位】：重庆交通大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U415.6
【参考文献】
相关期刊论文 前7条
1 姚祖康;对我国沥青路面现行设计指标的评述[J];公路;2003年02期
2 荀家正;超厚水泥稳定土基层铺筑施工工艺及质量控制[J];公路;2004年04期
3 沙庆林;中国路面技术的发展和现状[J];国外公路;1998年02期
4 李小并;;大东高速公路半刚性底基层大厚度一次摊铺施工工艺[J];科技信息;2010年03期
5 刘世武,闾开军,彭德潭;整体大厚度半刚性基层沥青路面的结构性能分析[J];林业建设;2000年03期
6 陈海斌;张云文;冯云;;全宽、超厚抗裂型半刚性底基层室内试验及工程应用[J];内蒙古公路与运输;2010年06期
7 周卫峰;赵可;王德群;许克学;;水泥稳定碎石混合料配合比的优化[J];长安大学学报(自然科学版);2006年01期
本文编号：2222709
本文链接：https://www.wllwen.com/kejilunwen/jiaotonggongchenglunwen/2222709.html
