Numerical Simulation Analysis of 3D Initial Geostress Field for Slope of the Hydropower Station

Article Preview

Abstract:

According to the specific geological and topographical conditions at slope of the Hydropower Station, considering the shape and size of simulation geometric model, the position relationship between the simulated area and buildings of terminal area and boundary conditions, the dynamic model which is fit to the geological structure are selected. Using the measured stress distribution as constrained conditions, 3D initial geostress field of research area are simulated using FLAC3D program. The result of simulation analysis shows that 3D initial geostress field of research area are accurately simulated based on good combination between the measured stress data and numeriacal simulation. So as to provide a reasonable basis for further condition simulation, such as excavation and unloading conditions. It has important significance for similar geological environment projects that the method is successfully applied to simulate initial geostress of this area.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

4274-4277

Citation:

Online since:

July 2011

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2011 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] ZHANG You-tian, HU Hui-chang. Trend analysis of residual stress distribution in rock mass[J]. Journal of Hydraulic Engineering, 1984, (4): 31-38. (in Chinese).

Google Scholar

[2] GUO Huai-zhi, MA Qi-chao, XUE Xi-cheng, et al. The analytical method of the initial stress field for rock masses[J]. Chinese Journal of Geotechnical Engineering, 1983, 5(3): 64-75. (in Chinese).

Google Scholar

[3] LI Jian-lin. Unloading rock mass mechanics[M]. Beijing: China Water Power Press, 2003. (in Chinese).

Google Scholar

[4] GNational power corp kunming hydroelectric investigation. Report of rock mechanics test result analysis of xiaowan hydropower station in lancang river[R]. Kunming: National Power Corp Kunming Hydroelectric Investigation. (in Chinese).

Google Scholar