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.

介绍了为保证回填质量,防止沉陷或跳车,在地形受限制地方,采用液态粉煤灰灌注施工工艺,对这施工工艺方法、和注意事进行了详细阐述。