Title: Analysis on safety monitoring data of underground chambers in left bank of Xiluodu Hydropower Station
Abstract: We analyze and evaluate the stress and deformation of surrounding rock in construction and excavation period by using rod extensometer,force sensor for pulling force measurement of anchor cable and bolt stress meters buried during construction of underground chambers in left bank of Xiluodu Hydropower Station.The surrounding rock deformation is compared with those of other large hydropower stations at home.The results show that the surrounding rock deformation is influenced by excavation and blast,following supporting speed and geological conditions;anchor stress is not large and tends to be stable;the effect of anchor cable support is satisfying.In the period of construction and excavation,the monitoring results of these underground chambers can reflect the deformation laws of the surrounding rock correctly.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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