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机场跑道南端位于胡家湾沟口段,跑道呈南北向,与沟向一致,跑道轴线处于沟口左侧半山腰砂岩陡坎之上,轴线左侧为砂岩地基,右侧为陡崖,整平后,右侧为填土地基,因此,跑道轴线两侧地基力学性质差异较大,在机场运行过程中因上覆压力以及自身重力作用下而产生不均匀沉降。本文就差异较大地基在不同的地基处理方式下而产生的不同差异沉降量进行分析计算,并运用Geostudio-slope进行现场模拟分析,最后提出解决此类问题的方法。
The south end of the airport runway is located at the Mukou Mizoguchi section of Hujiawan. The runway is north-south and in line with the ditch. The runway axis is above the steep ridge of sandstone on the left side of Mizoguchi. The left axis of the runway is a sandstone foundation and the right is a steep cliff. After the flat, the right side of the ground for filling, so the runway on both sides of the basic mechanical properties of large differences in the airport during operation due to overburden pressure and its own gravity and the resulting uneven settlement. This paper analyzes and calculates the differential settlement caused by the different foundation treatment methods, and uses Geostudio-slope to carry on on-the-spot simulation analysis. Finally, the solution to this kind of problem is put forward.