Based on the geology condition and design of the international airdrome runway at Chengdu Shuangliu,we give a determinant standard about expansive soil of airdrome runway.

• 膨胀土的工程性质受周围环境及气候的影响较大,而膨胀土的判定没有统一的标准,特别是针对机场跑道膨胀土的判定。