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Global Geology 2013, 16(4) 207-212 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Ground settlement sedimentation time-space effect and ground settlement control standards |
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CHEN Guangxuan and QI Wei |
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College of Construction Engineering，Jilin University，Changchun 130026，China |
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Abstract：
Since different underground engineering contains different geological conditions，structure and excavation methods，their disturbing degree on the ground also differs，but ground surface settlement caused by excavation has one common point that they will form a ground surface settlement curve． Based on data statistical analysis，the article puts forward the relationship between point of inflection in digging tunnels with shallowburied method and the span of tunnel excavation against typical geological conditions in Changchun so as to predict the impact of tunnel excavation and improve reasonable ground surface settlement control standard． Ｒesearch result will be useful for study on ground surface control standard in digging tunnels with shallow-buried method and setting settlement standard． |
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Keywords：
Changchun subway
ground settlement curve
control criteria
ground surface settlement
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Received Revised Online: |
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