Sloping poor ground is brought forward to field engineering, which refers to the poor ground having a gradient surface on the ground or hardpan.It is common in the southwest mountain area of China.

• 斜坡软弱土地基是针对工程实际提出的，主要指地面表层或硬层底部呈一定坡度的软弱土地基，在西南丘陵山区较为常见。