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                西祠街区02#、03#、16#栋楼加固工程

                西祠街区02、03、16栋楼加固工程
                 

                拟建工程为南京水产研究所改扩建工程,基础设计一侧采用柱下、外墙下管桩基础,一侧采用深搅桩复合地基。管桩为φ400先张法预应力混凝土管桩,无桩尖;深搅桩桩径为々φ700,桩间距1000,有效桩长约为15.项目于2006年施︼工完成,目前室内∩地坪平均沉降速率超出南京地区容许沉降速率0.040mm/天,为满足业主使用要ζ求,因甲方要求对室内→地坪进行加固处理。

                该方案Ψ采用压密注浆加固,对填土进行注浆加固处理,凿除原地∑坪,夯实地基◣土,重新铺↓设施工150mm厚砼板。