摘要
通过对河北省承德高填方机场工后沉降进行监测,对填筑体高度与工后沉降之间的变化规律进行分析,对工程中常用的沉降预测方法进行比较,探讨了高填方蠕变实用算法在工后沉降预测中的应用,并以该方法为基础,提出了沉降稳定速率和稳定时间的预测方法。结果表明:高填方工程中填筑体高度与工后沉降呈线性增长关系,是影响工后沉降量大小的重要因素,高填方蠕变实用算法可较好地预测工后沉降,该方法可预测工后沉降稳定速率和稳定时间,为何时进行道面铺设提供参考。
Through monitoring of post-construction settlement of Chengde Airport in Hebei Province,. the variation law be- tween height of filled body and post-construction settlement is analyzed. By comparing the settlement prediction methods commonly used in engineering, the application of high filling practical creep computation algorithm in post-construction settlement prediction is discussed. Based on this method, a prediction method of foundation sta- bility rate and foundation stability time is proposed. Result shows that the variation law between height of filling body and post-construction settlement is linear and there exists a significant factor affecting the post-construction settlement in high filling project. The high filled creep practical algorithm can predict the developing trend of post-construction settlement, the prediction of foundation stability rate and foundation stability time can provide a reference for subsequent pavement planning.
出处
《中国民航大学学报》
CAS
2017年第3期27-32,共6页
Journal of Civil Aviation University of China
基金
国家重点基础研究发展计划(973计划)(2014CB047006)
国家自然科学基金项目(51579005
11672015)
关键词
高填方工程
工后沉降监测
工后沉降预测
high filling engineering
post-construction settlement monitoring
post-construction settlement prediction
