飞机滑行作用下水泥混凝土道面板动响应分析

摘 要：研究了飞机滑行作用下机场水泥混凝土道面板动响应问题。将道面结构视为粘弹性层状地基上单块四边自由的矩形板，采用半解析法，建立力学模型和计算方法。飞机滑行作用在道面板上的荷载是由自身重量和滑行产生的升力决定的；并计算了飞机滑行作用下道面板的响应。采用在道面内部钻孔安装位移传器的方法，对H-6飞机以不同滑行速度通过道面板时，道面板产生的动挠度进行了实测。计算结果与实测结果对比表明，两者误差在3%以内。说明本文所建立的计算方法是正确的。该方法可用来进行机场水泥混凝土道面板在飞机滑行作用下动响应的计算。

Dynamic response of cement concrete pavement under aircraft taxiing load

The dynamic responses of airfield cement concrete pavement were analysed when an aircraft taxies on the pavement.The pavement was regarded as a single rectangular slab with free edges resting on a viscoelastic layered foundation.A semi-analysis method was proposed and a mechanical model was established to calculate the dynamic response of slab under aircraft taxiing load,which consists of its weight and the lift force.The displacement transducers were installed inside the hole drilled on the pavement,and the dynamic deflections of the slab were measured when H-6 aircraft taxies on the pavement at different velocities.The theoretical solutions compared with the experimental results show the relative error between them is less than 3%.It indicates that the calculating method is correct and effective.