深厚淤泥及砂层条件下灌注桩施工技术研究  

Research on Construction Technology of Cast-in-place Piles under the Condition of the Thick Silt Soil Layer and Sand Layer

作　　者：张曲辉 ZHANG Quhui(Guangdong Foundation Engineering Group Co.,Ltd.Guangzhou 510620,China)

机构地区：[1]广东省基础工程集团有限公司,广州510620

出　　处：《广东土木与建筑》2022年第11期90-94,共5页Guangdong Architecture Civil Engineering

摘　　要：我国东南部沿海地区的厚淤泥土层工程项目较多,为了保证在深厚淤泥及砂层中施工钻孔灌注桩施工质量,通过使用井经仪、沉渣厚度检测仪等精准仪器、改良泥浆取样器取得准确成孔成桩施工参数,以控制施工参数达到控制施工质量效果,并通过改良清孔捞砂进一步提高施工质量和施工效率,灌注桩施工技术施工速度快,施工质量好,施工成本低,能适应各种复杂的环境及地质条件的施工区域。There are many engineering projects with thick silt soil layers in the southeastern coastal areas of China.In order to ensure the construction quality of bored piles in deep silt and sand layers,precise instruments such as well gauges,sediment thickness gauges,and improved mud samplers to obtain accurate hole-forming and pile construction parameters and control construction parameters to achieve controlled construction.The effect of quality,improving the measures such as hole cleaning and sand drilling,further improve the construction quality and efficiency and reduce the construction cost,and can adapt to the construction area of various complex environments and geological conditions.

关 键 词：灌注桩施工 深厚淤泥 成孔方式 泥浆取样 清孔 

分 类 号：TU47[建筑科学—结构工程]