The shape of vertical section with settlement deformation is in highly accordance with the shape of top silty claylayer before unloading.
卸载前沉降变形纵剖面形状与粉质粘土层顶板面形状非常一致；
2
The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a claylayer, a geomembrane layer, or other impervious material.
煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。
3
The analysis shows that within certain thickness range, the thicker the claylayer, the better the consolidation effect. No evident consolidation effect is found in thin soil layer.