Japanese Geotechnical Society Special Publication
Online ISSN : 2188-8027
ISSN-L : 2188-8027
Stability of soils and structures
Case study of cutting slope with progressive failure due to continuous excavation
Q. LiY. M. WangK. B. Zhang
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JOURNAL FREE ACCESS

2020 Volume 8 Issue 11 Pages 436-440

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Abstract

This paper reports a case study of progressive failure on a high cut slope due to continuous excavation. The characteristics of each stage failure induced by excavation are analyzed through geological investigation and field monitoring. The slope safety situation was monitored and analyzed. The monitoring results provide the important guidance for slope dynamic design and construction. It is important that the reinforcement of pre-stressed anchoring cables for the slope should be carried out after the slope excavation accomplished as soon as possible. Slope construction monitoring plays an important role in ensuring high slope safety. The results revealed that the slope instability was triggered by the continuous excavation of the slope, and the failure mode of slope is progressive sliding.

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