【摘要】 在深厚软弱土层上修建的机场,飞机荷载引起的沉降不能忽视。本文以浦东机场一、二、三跑道通航后近14年的道面沉降观测数据为基础,建立了简化的飞机荷载引起沉降的分析模型,对不同地质条件、不同地基处理方式下由飞机荷载引起软土地基沉降变形的规律进行分析。研究发现,飞机荷载引起的沉降量随通航时间的增加逐渐增大,但其在工后沉降中所占比例逐渐减小,目前浦东机场3条跑道飞机荷载引起的沉降量均在12cm以内。更多还原

【Abstract】 The settlement caused by aircraft load can not be ignored in the construction of the airport on the deep soft soil layer. This paper based on the observation data of runway surface settlement at runway one or two and three of Pudong airport,a simplified model for analyzing settlement of aircraft is established,the settlement deformation of runway under the influence of aircraft load under different geological conditions and different ground treatment methods are analyzed. Through research found,the settlement caused by the aircraft load increases with the increase of navigation time,but its proportion in the settlement after construction decreases gradually,at present,the three runway of Pudong airport,the settlement caused by the aircraft load are less than 12 cm.更多还原