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,在形受限制
,
用液态粉煤灰灌注台背
施工工艺,对这
施工工艺
法、步骤和注意事
进行了
阐述。