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.
介绍了为保证台背回填质量,防止台背沉陷或跳车,在地形受限制地方,采用液态粉煤灰灌注台背施工工艺,施工工艺方法、步和注意事进行了阐述。