| 复合式机场道面结构设计方法 |
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| 引用本文： | 马翔,倪富健,顾兴宇.复合式机场道面结构设计方法[J].交通运输工程学报,2010(2). |
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| 作者姓名： | 马翔 倪富健 顾兴宇 |
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| 作者单位： | 东南大学交通学院; |
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| 基金项目： | 国家自然科学基金项目(60472120) |
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| 摘 要： | 将沥青面层抗反射裂缝疲劳寿命和水泥混凝土板弯拉疲劳强度作为复合式机场道面的设计依据,基于复合式机场道面荷载应力、温度应力及抗反射裂缝疲劳寿命的计算式,借鉴民用航空运输机场水泥混凝土道面结构设计方法和公路水泥混凝土路面结构设计方法,提出了以荷载与温度综合疲劳弯拉应力和沥青面层反射裂缝疲劳寿命为设计指标的复合式机场道面结构设计方法,以单层、双层、三层的面层结构组合方案进行对比设计。设计结果表明:面层采用双层的改性沥青混凝土方案时综合疲劳应力为4.84 MPa,抗反射裂缝疲劳寿命为699 362次,满足设计要求,是一种经济可靠的结构组合方案,因此,设计方法可行。
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| 关 键 词： | 复合式机场道面 结构设计 综合疲劳应力 疲劳寿命 |
Structure design method of composition airfield pavement |
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| MA Xiang,NI Fu-jian,GU Xing-yu.Structure design method of composition airfield pavement[J].Journal of Traffic and Transportation Engineering,2010(2). |
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| Authors: | MA Xiang NI Fu-jian GU Xing-yu |
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| Institution: | School of Transportation/a>;Southeast University/a>;Nanjing 210096/a>;Jiangsu/a>;China |
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| Abstract: | The anti-reflective cracking fatigue life of asphalt course and the fatigue strength of concrete slab were taken as design basis.The structure design methods of the specifications for the cement concrete pavements of civil transport airport and highway were analyzed.The calculated equations of load stress,temperature stress and anti-reflective cracking fatigue life were studied.A structure design method of composition airfield pavement was put forward.Its two design indexes were the synthetic fatigue stress... |
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| Keywords: | composition airfield pavement structure design synthetic fatigue stress fatigue life |
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