Engineering properties of deep clay in Huanghuai area, such as density, water content, particle size, mineralogical composition, expansibility, compressibility and shear strength etc., are summarized.

• 摘要总结了黄淮地区深部黏土的物理力学性质，包括密度、含水量、颗粒大小、矿物成分、膨胀性、压缩性、抗剪强度等。