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

车,在地形受限制
地方,采用液态粉

注台背
施工工艺,对这项施工工艺
方法、步骤和注意事项进行了详细
阐述。



