JOURNAL OF FACULTY OF CIVIL ENGINEERING 20, 2011.y., pp. 33-46
THE GRADING ENTROPY OF PIPING SOILS| |
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| UDC: 556.536:544.77.022.023.523 |
| CC-BY-SA 4.0 license |
| Author : László Nagy |
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| | Summary: |
| | Grain size and grain distribution by size are dominant factors determining
soil behaviour. The shape and position of a grain distribution curve contain implicit
information about the propensity of sand boiling or piping at flood conditions. The
author used 104 grain distribution curves taken from 12 sand boil locations to study the
relationship between sand boils, hydraulic soil failures and entropy. The results have
justified the hypotheses and indicated some fairly important details for practical
consideration. Calculating grain distribution entropy is not "magic" with mathematics:
it simply helps put the expected behaviour of soils into a different perspective and
promotes orientation for classifying soils according to a new parameter related to grain
movement. |
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