沉陷

The paper introduced the construction technology of liquid flyash pouring retailing backwall in order to assure refill quality of retailing backwall,protect retailing backwall depression or jumping.

介绍了为保证台回填质量,防止台沉陷或跳车,在地形受限制地,采用液态粉煤灰灌注台工工艺,对这工工艺法、骤和注意事进行了详细阐述。