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Deformation of framed structures due to tunnelling – a novel assessment approach
Proceedings of the Institution of Civil Engineers - Geotechnical Engineering ( IF 2.2 ) Pub Date : 2020-12-16 , DOI: 10.1680/jgeen.19.00177
Eugene Kwan Lok Wong 1
Affiliation  

It is common practice to assess the deformation of structures due to tunnelling-induced effects by assuming that foundation movements coincide with greenfield tunnelling movements. This often overestimates the resulting movements and stresses on the structures and may fail to give the correct deformed shape for detailed damage assessment. This paper proposes a novel approach to study the interaction between tunnels and framed structures, based on the translational and rotational stiffness of foundations from the field of seismic engineering. This approach can readily be deployed in routine civil engineering design and tunnelling impact assessment.

中文翻译:

隧道开挖引起的框架结构变形——一种新的评估方法

通常的做法是通过假设基础运动与绿地隧道运动一致来评估由于隧道引起的效应引起的结构变形。这通常会高估结构上由此产生的运动和应力,并且可能无法为详细的损坏评估提供正确的变形形状。本文基于地震工程领域地基的平移和旋转刚度,提出了一种研究隧道与框架结构之间相互作用的新方法。这种方法可以很容易地部署在常规的土木工程设计和隧道影响评估中。
更新日期:2020-12-16
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