Prediction of Collapse Scope of Deep-Buried Tunnels Using Pressure Arch Theory
作者： Yingchao Wang , Hongwen Jing , Qiang Zhang , Ning Luo , Xin Yin
DOI: 10.1155/2016/2628174
关键词: Stress field 、 Pressure coefficient 、 Geotechnical engineering 、 Scope (project management) 、 Prediction methods 、 Collapse (topology) 、 Arch 、 Stress (mechanics) 、 Multiple factors 、 Engineering 、 Structural engineering
摘要: Tunnel collapse remains a serious problem in practice. Effective prediction methods on tunnel are necessary for engineering. In this study, systematic study the pressure arch was presented to predict collapse. Multiple factors under different conditions were considered. First, described as certain scope comparison with lowest line. Then, deep-buried circular selected investigated object. Its analyzed using Meanwhile, main influence from ground stress field Different modes of fields detail. The results indicate that varies fields. Determination is strongly affected by judgment standard arch. Furthermore, case area and height calculated multiple factors, including field, standard, lateral coefficient. Finally, compared relevant previous researches, reasonable obtained. present helpful further understanding could provide suitable guidance projects.
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