摘要
北京东方广场深基坑工程开挖范围、深度和施工难度大 ,围护结构采用钻孔灌注桩(局部H形钢桩) ,锚杆加土钉形成复合支撑 ;挡土墙上设置混凝土连梁。经近1年的各项监测表明 ,支护体系经受了各种不利因素的考验 ,基坑、边坡及周围建筑物稳定 ,保证了基础工程顺利施工。
Foundation excavation with considerable scale and depth of Oriental Plaza project is of tremendous construction difficulty.Pouring piling was adopted to enclosure structure( partly with steel of H section);Anchor rods and concrete anchor work together to form a compound supporting;Connective concrete beams were set on retaining walls.Through almost one year monitoring, shoring system withstood various adverse conditions.Foundation trench, slope and surrounding buildings remained steady,ensuring a smooth foundation construction.
出处
《建筑技术》
北大核心
2000年第11期742-745,共4页
Architecture Technology
关键词
深基坑
围护
灌注桩
支撑
建筑群
deep foundation trench
enclosure
pouring piling
shoring
