摘要
根据载荷试验的部分试验数据来确定复合地基极限承载力是工程上的重要问题。本文运用灰色理论GM(1,1)模型和verhulst模型预测水泥粉喷桩复合地基破坏承载力,从而确定粉喷桩极限承载力,结果表明:运用灰色理论和Verhulst模型预测水泥粉喷桩复合地基破坏承载力、极限承载力,脱离了图解方法,具有计算简便、严密、精度高的特点,可用少量的观测数据列(n≥4即可)建立模型,预测出较好的成果值,有较好的社会效益和经济效益。
It is important for a construction project to determine the limit bearing capacity of composite foundation with data obtained from loading test. The failure bearing capacity of composite ground was forecast by using GM （ 1, 1 ） model and Verhulst model of grey theory, thus the limit bearing capacity could be determined. The result indicates that this method is easy, precise and free of illustrations. It can make a good forecast with few observation data array （n≥4）.
出处
《辽东学院学报（自然科学版）》
CAS
2007年第2期114-119,共6页
Journal of Eastern Liaoning University:Natural Science Edition
关键词
粉喷桩
复合地基
极限承载力
dry jet mixing pile
composite foundation
limit bearing capacity
