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抗耐土壤稳定剂在简易机场道面中的应用

, PP. 25-33

Keywords: 简易机场,道面工程,抗耐土壤稳定剂,加固土,无侧限抗压强度,无机结合料

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Abstract:

基于简易机场建设的特点和使用要求,选用济宁土在室内进行了液限、塑限、击实、回弹模量、CBR和无侧限抗压强度试验。在室外选择抗耐土壤稳定剂、水泥、石灰、二灰(水泥与石灰)等稳定土修筑了试验段,进行了回弹模量、CBR、弯沉、土压力和滚动摩擦因数试验,对比研究了抗耐土壤稳定剂与传统无机结合料的加固效果。分析结果表明在室内试验中,济宁土掺入抗耐土壤稳定剂后,其水理性能、回弹模量和无侧限抗压强度均有提高,尤其是掺入0.8%AC101稳定剂时,塑性指数降低了21.9%,最佳含水量减少了3.1%,最大干密度与CBR值分别增大了1.32%、61.5%;涂刷HOD1稳定剂后,试件在浸水和不浸水的条件下,CBR值分别提高了212%、146%。在现场试验中,抗耐稳定土的早期承载能力与水泥土、二灰土作用效果基本相同,高于石灰土,但随着加固土龄期的增长,水泥土、二灰土承载能力的增长幅度要大于抗耐稳定土,28d龄期时抗耐稳定土与石灰土的承载能力基本相同。

References

[1]  葛东华,岑国平.简易机场跑道基层快速加固试验研究[J].路基工程,2007(4):70-72. GE Dong-hua, CEN Guo-ping. Field airfield runway grassroots quickly strengthening test research[J]. Subgrade Engineering, 2007(4): 70-72.(in Chinese)
[2]  ANDERTON G L, BERNEY E S, MANN T, et al. Joint rapid airfield construction(JRAC)2007 technology demonstration[R]. Washington DC: US Army Corps of Engineers, 2008.
[3]  NALBANTOGLU Z, GUCBILMEZ E. Improvement of calcareous expansive soils in semi-arid environments[J]. Journal of Arid Environments, 2001, 47(4): 453-463.
[4]  TOMOHISA S, SAWA K, NAITOH N. Hedoro hardening treatment by industrial wastes[J]. Journal of the Society of Materials Science, 1995, 44(503): 1023-1026.
[5]  叶观宝,陈望春,杨晓明.水泥土早期强度的室内试验研究[J].岩土工程技术,2003(6):346-348. YE Guan-bao, CHEN Wang-chun, YANG Xiao-ming. Lab study on early strength of cement-stabilized soil[J]. Geotechnical Engineering Technique, 2003(6): 346-348.(in Chinese)
[6]  庄心善,王功勋,田 ?.含工业废料加固土的特性研究[J].土木工程学报,2005,38(8):114-117. ZHUANG Xin-shan, WANG Gong-xun, TIAN Bi. A study on the characteristics of soils consolidated with industrial wastes[J]. China Civil Engineering Journal, 2005, 38(8): 114-117.(in Chinese)
[7]  GRABER E R, FINE P, LEVY G J. Soil stabiliazation in semiarid and arid land agriculture[J]. Journal of Materials in Civil Engineering, 2006, 18(2): 190-197.
[8]  曹源文.机场跑道道面翻修施工要求及设备[J].筑路机械与施工机械化,2010,27(2):26-29. CAO Yuan-wen. Construction requirements and equipment in airport runway renovation[J]. Road Machinery and Construction Mechanization, 2010, 27(2): 26-29.(in Chinese)
[9]  田加亨.碎石桩在高填方机场软基处理中的试验研究[J].筑路机械与施工机械化,2012,29(6):49-52. TIAN Jia-heng. Experimental study on treatment of soft foundation of high fill airport with gravel pile[J]. Road Machinery and Construction Mechanization, 2012, 29(6): 49-52.(in Chinese)
[10]  郭 印.淤泥质土的固化及力学特性的研究[D].杭州:浙江大学,2007. GUO Yin. Study on stabilization of muddy soil and mechanical properties of stabilized soil[D]. Hangzhou: Zhejiang University, 2007.(in Chinese)
[11]  王 梅,白晓红,梁仁旺,等.生石灰与粉煤灰桩加固软土地基的微观分析[J].岩土力学,2001,22(1):67-70. WANG Mei, BAI Xiao-hong, LIANG Ren-wang, et al. Microstudy on soft foundations reinforcement with lime-fly ash piles[J]. Rock and Soil Mechanics, 2001, 22(1): 67-70.(in Chinese)
[12]  许 巍,岑国平,戴经梁.简易机场道面结构的疲劳特性试验[J].交通运输工程学报,2008,8(6):40-43. XU Wei, CEN Guo-ping, DAI Jing-liang. Fatigue characteristic experiments of field airfield pavement structure[J]. Journal of Traffic and Transportation Engineering, 2008, 8(6): 40-43.(in Chinese)
[13]  许 巍,岑国平,林兴刚.简易机场水泥稳定细粒土基层使用性能研究[J].路基工程,2009(6):59-60. XU Wei, CEN Guo-ping, LIN Xing-gang. Field airfield cement stabilized fine-grained soil grassroots use performance research[J]. Subgrade Engineering, 2009(6): 59-60.(in Chinese)

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