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.
介绍了为保证背回填质量,
背沉陷或跳车,在地形受限制的地方,采用液态粉煤灰灌注
背的施工工艺,对这
施工工艺的方法、步骤和注意事
进行了详细的阐述。