The average level of the ground surface around the foundationwall.
在基础墙壁附近的地面表面的平整水平。
2
The widened section, usually concrete, at the base or bottom of a foundationwall, pier or column.
被加宽的部分，通常是混凝土，在基础墙壁，柱桩或支撑柱体的基础或底部。
3
A changing law of the stress-strain during cracking of the foundationwall is obtained, which provides a theoretical basis for the design of the chimney foundation.