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南方多雨地区路基择时施工方法的研究

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Keywords: 道路工程,择时施工,假设检验,填料翻晒,填料分级,雨季施工,施工组织

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Abstract:

为了科学、合理地提高南方湿热多雨地区公路雨季施工建设效率,针对南方湿热多雨地区因长期持续降雨严重延缓公路路基施工进度,确定了路基施工受降雨气候影响最关键工序-填料翻晒。按照填料翻晒所需气候条件,结合降雨规律提出了路基择时施工方法新理念。运用回归分析建立了路基择时施工时段与对应频率之间的相关关系,从而推导了路基择时施工时段的分布规律和概率计算公式,并运用假设检验方法验证了合理性及适用性。通过现场翻晒试验,计算和对比分析多雨地区5种典型路基填料可施工时段相应频数及可行概率,从择时施工可行概率的角度提出了适用于多雨地区路基填料分级新方法。结合工程实例,运用路基择时施工分布规律对路基填筑整个施工组织过程进行了优化,论证其可靠性及实现性。

References

[1]  JTJ 003—86,公路自然区划标准[S] .JTJ 003—86,Standard of Climatic Zoning for Highway [S] .
[2]  徐永杰. 雨季路基土石方的施工技术[J].路基工程,2006 (6):126-127.XU Yong-jie. Construction Technology of Subgrade Earthwork in Rainy Season [J].Subgrade Engineering,2006 (6):126-127.
[3]  曹为,张锐,刘龙武. 海南高液限红黏土直接填筑路堤试验研究[J].公路与汽运,2012 (4):145-149.CAO Wei,ZHANG rui,LIU Long-wu. Test Research on Direct Filling Subgrade for Hainan High Liquid Limit Red Clay [J].Highways and Automotive Applications,2012(4):145-149.
[4]  吴立坚,钟发林,吴昌兴,等. 高液限土路基填筑技术研究[J].中国公路学报,2003,16 (1):32-35.WU Li-jian,ZHONG Fa-lin,WU Chang-xing, et al.Study of Subgrade Construction from High Liquid Limit Soil[J].China Journal of Highway and Transport,2003,16(1):32-35.
[5]  胡利. 刚果共和国砂性土路基雨季施工问题与处理[J].路基工程,2010 (5):189-191.HU Li. Problems and Treatment of Sandy Soil Subgrade Construction in Rainy Season in the Republic of Congo [J].Subgrade Engineering,2010 (5):189-191.
[6]  万智. 细粒土的压实特性与潮湿地区公路路基填筑控制技术研究[D].长沙: 中南大学,2010.WAN Zhi. Research on Compaction Characteristics of Fine-grained Soil and Compaction Control Technology for Road Subgrade in Wet Area [D].Changsha: Central South University,2010.
[7]  杨虎,刘琼荪,钟波. 数理统计[M].北京: 高等教育出版社,2004.YANG Hu,LIU Qiong-sun,ZHONG Bo. Mathematical Statistics [M].Beijing: Higher Education Press,2004.
[8]  LU N,LIKOS W J. Suction Stress Characteristic Curve for Unsaturated Soil [J].Journal of Geotechnical and Geoenvironmental Engineering,2006,132 (2):131 -142.
[9]  郑健龙,刘平. 膨胀土土水特征曲线的研究[J].长沙交通学院学报,2006,22 (4):1-5.ZHENG Jian-long,LIU Ping. A Study on Soil Water Characteristic Curve of Expansive Soil [J].Journal of Changsha Communications University,2006,22 (4):1-5.
[10]  杨和平,林丽萍,肖杰,等. 用土水特征曲线分析膨胀土的改良效果[J].公路交通科技,2012,6 (4):36-41.YANG He-ping,LIN Li-ping,XIAO Jie,et al. Analysis on Improvement Effect of Expansive Soil by Soil-water Characteristic Curve [J] .Journal of Highway and Transportation Research and Development,2012,6 (4):36-41.
[11]  ZHENG Jian-long, ZHANG Rui, YANG He-ping.Highway Subgrade Construction in Expansive Soil Areas [J].Journal of Materials in Civil Engineering,2009,21(4):154-162.
[12]  杨和平,赵鹏程,郑健龙. 膨胀土填料改进CBR 试验方法的提出与验证[J].岩土工程学报,2007,29(12):1751-1757.YANG He-ping,ZHAO Peng-cheng,ZHENG Jian-long.Suggestion and Verification on Modified CBR Test Method for Expansive Soils Fill [J].Chinese Journal of Geotechnical Engineering,2007,29 (12):1751-1757.
[13]  王首绪,杨玉胜,周学林,等. 公路施工组织及概预算[M].北京: 人民交通出版社,2007.WANG Shou-xu,YANG Yu-sheng,ZHOU Xue-lin, et al. Highway Engineering Construction Organization and Budget [M].Beijing: China Communications Press,2007.

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