摘要
介绍了20世纪80年代在陈四楼主副井冻结设计中,建立的冻结壁厚度、掘砌段高、冻结壁平均温度计算和计算参数优选四位一体的冻结设计计算体系,该体系有效解决了厚度小于等于400m冲积层冻结设计难题;进入21世纪后,随着冻结井筒所穿过的冲积层厚度的迅猛增长,对四位一体的冻结设计计算体系进行了新的探索与完善,并在几十个深冻结井中进行工程实践,较好地解决了400-600m深厚冲积层的冻结设计和防止冻结管断裂的技术难题。
The four- in- one calculation system for deep alluvium freezing wall design was introduced,including freezing wall thickness,excavation height and average temperature calculation and calculation parameter optimization,which was established in 1980 s in Chensilou auxiliary shaft project,effectively solved the design problem for frozen alluvium with thickness less than or equal to 400m; since the 21 Century,with the rapid growth of alluvium thickness,the four- in- one calculation system was further explored and improved,and was applied in dozens of deep freezing shaft engineering practice,overcoming the technological problems of freezing design and freezing pipe crack prevention for 400 - 600 m deep alluvium.
出处
《煤炭工程》
北大核心
2015年第1期1-4,共4页
Coal Engineering
基金
国家科技支撑项目"深厚冲积层冻结千米深井高性能混凝土研究和应用"(2011BAE27B03)
关键词
深厚冲积层
冻结设计
计算体系
deep alluvium
freezing design
calculation system
