Geoscience Reference
In-Depth Information
Figure 3.29 Bulk density vs. organic content ( after Kazemian et al ., 2009).
Figure 3.29 shows another plot of organic content versus bulk density ofMalaysian
peat.
3.13.7 Bulk density vs. water content
Figure 3.30 shows a graph of bulk density vs. water content of peat.
3.13.8 Compression index vs. liquid limit
Figure 3.31 shows a plot of compression index ( C c ) vs. liquid limit for Malaysian peat.
3.14 SUMMARY OF ENGINEERING PROPERTIES OF PEAT
Peat's engineering properties are summarized in this section.
Water content
The water content of peat can range from 500% to 2,000%, even reaching as high as
2,500% for some fibrous peats. Water content values of less than 500% are usually
an indicator of high mineral fractions within the peat sample.
Ash content
The ash content (or non-organic content) of a peat sample is the percentage of dry
material that remains as ash after controlled combustion. Peat that has grown in situ
normally has an ash content of somewhere between 2% and 20% of its volume.
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