Immediate and long term effects of compaction on the stress-strain behaviour of soil
Abstract
This paper explores whether delay in construction after compaction can benefit from the gain in soil’s strength and stability point of view. An experimental investigation has been carried out to examine the gradual development of soil’s shear strength by ageing of mechanically compacted soil at three relative densities. In order to separate the gain in strength due to ageing from that occurring from the reduction in soil moisture, the soil samples prepared in moulds were kept in desiccators for different periods of time (1, 9 and 17 days) before testing unconfined compressive strength test. The soil in densely compacted state is found to gain in strength due to ageing faster than that in medium compacted state. Only due to ageing of 9 days or more, unconfined compressive strength of compacted soil is found about 1.7 to 2.4 times of that attained in day 1 after compaction.
- Publication:
-
IOP Conference Series: Earth and Environmental Science
- Pub Date:
- April 2018
- DOI:
- 10.1088/1755-1315/143/1/012014
- Bibcode:
- 2018E&ES..143a2014N