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
,采用液态粉煤灰灌注台背
施工工
,对这
施工工
法、步
和注
进行了详细
阐述。