Paper Details

[ Downloads: 0 | Abstract Viewed: 135 | Pages: 9 ]

Abstract of the Article

Note: English CIVILICA is in its Trial Period so Full Texts can not be provided! Persian users can download it here

Grouting operations role on reducing ground surface settlement due to large tunnel excavation

Authors:
[ Ataei M ] - Assistant professor, Shahrood University of technology, Mining and Geophysics Department
[ Ferdowsi B ] - Assistant professor, Shahand University of technology, Mining Department
[ Mikaeil R ] - M.sc student, Shahrood University of technology, Mining and Geophysics Department

Abstract:

Tunneling, like many other human activities, cannot be conducted without some impact on the environment. One of the most environmental impacts is ground surface settlement. Ground surface settlement due to tunnel excavation varies in magnitude and trend depending on several factors such as tunnel geometry, ground conditions, etc. Although there are several empirical and semi-empirical formulae available for predicting ground surface settlement, most of these do not simultaneously take into consideration all the relevant factors, resulting in inaccurate predictions. For accurate prediction of ground surface settlement, numerical models are one of the best methods. In this paper by using FLAG 4.0 and numeric methods, ground surface settlement in Kohin tunnel is predicted. In addition grouting operations role on reducing ground surface settlement due to tunnel excavation is studied. The studies show by using grouting operations, maximum ground surface settlement reduces about 100 percents.

Keywords:

Tunnel, ground surface settlement, numeric methods, grouting