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太钢2250热轧工程主轧线设备基础设计所在持力层地质条件不能满足设备安装和生产工艺要求,必须进行技术处理,保证基础的沉降量满足设备运行的要求。通过多方案的技术分析、比较和论证以及地基的设计计算和施工技术的介绍,确定砂砾石垫层地基换填+降水预压固结地基处理方案。在施工中因地制宜,采用天然级配砂砾石作为换填料,既保证了质量,达到设计要求,又充分利用当地资源,降本增效。为日后类似工程积累了成功经验。
TISCO 2250 hot rolling mill main rolling line equipment basic design of the bearing layer of geological conditions can not meet the requirements of equipment installation and production process must be carried out technical processing to ensure that the basic settlement to meet the equipment operation requirements. Through multi-program technical analysis, comparison and demonstration, as well as the foundation design and calculation and construction technology introduction, to determine the foundation of sand and gravel cushion replacement + pre-consolidation consolidation by precipitation. In the construction according to local conditions, the use of natural graded gravel as a replacement for packing, not only to ensure the quality and meet the design requirements, but also make full use of local resources, reducing costs and increasing efficiency. For similar projects in the future has accumulated successful experience.