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ruan tu di ji sui dao chen jiang gui lv de chu bu fen xi
Author(s): 
Pages: 434-441
Year: Issue:  S1
Journal: Geotechnical Investigation & Surveying

Keyword:  盾构隧道 沉降观测 纵向沉降 不均匀沉降;
Abstract: 隧道沉降观测是隧道运营管理维修养护的基本工作内容之一,沉降观测数据可作为隧道维护的基础依据资料。本文结合某越江隧道沉降监测实例,对长期运营隧道的沉降观测数据进行分析,绘制了隧道整体纵向沉降形态曲线,得到隧道整体的沉降规律;计算隧道纵向沉降曲线的曲率变化,得到隧道差异沉降的发展态势。分析表明,该隧道经多年运营,沉降已基本趋于稳定,但不均匀沉降还在继续发展。文中对纵向不均匀沉降的影响因素进行了初步探讨。
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