NDLI: Changes of the pore distribution of silty clay under the subway train loads

Content Provider	Springer Nature Link
Author	Tang, Yiqun Yang, Qi Yu, Huang
Copyright Year	2014
Abstract	Vibrations induced by the passage of subway trains are a major concern in urban areas. These vibrations can cause annoyance to people. Meanwhile, they can cause the settlement of tunnels by loading on the structured soft soil around the tunnel. It is known that the engineering behaviors of soft soil are determined by its microstructure. Therefore, the changes of pore distribution under characteristic dynamic loads were studied in this paper through a series of dynamic triaxial tests and mercury intrusion porosimeter tests. It is worth mentioning that the low-order fundamental frequency should be paid more attention to the similar research. Under the dynamic loads, the silty clay and mucky silty clay samples were all compacted. The volume of large pores (pore radius >400 nm) significantly decreased, while the volume of medium and small pores (pore radius <400 nm) increased due to the transformation of large pores. The changes of pore distribution can be well reflected by the fractal dimensions in thermodynamic model.
Starting Page	3099
Ending Page	3110
Page Count	12
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	72
Issue Number	8
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-04-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Subway train loads Silty clay Dynamic property Pore distribution Fractal dimension Geology Hydrology/Water Resources Geochemistry Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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