| The study on characteristics of water characteristic curve of mixed stroma of the peat and soil |
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| DOI：10.7606/j.issn.1000-7601.2009.04.12 |
| Key Words: peat water characteristic curve high speed centrifuge fitting |
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| Abstract: |
| The mixed soil made from the peat and clay with a certain amount of density according to different proportion was loaded into central knife. Then soil moisture content was measured and analyzed and the water characteristic curve was imitated with Van Gennuchten mathematical model under different suction using high-speed centrifuges and atmospheric balance mensurate, so as to analyze the difference of water-holding capacity of the mixed soil with various ratios of peat and clay. The results show that: ①If the ratio of peat and clay (less than 1 mm) is 3∶1, the water-holding capacity is stronger than other ratio. ②If the ratio of peat and clay (3～5 mm) is 3∶1 and 4∶1, the water-holding capacity is better. |