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不同因素对浅表土冻结温度的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2009年04期
Page:
132-134
Column:
研究论文
publishdate:
2009-07-30

Article Info:/Info

Title:
Effect of different factors on the freezing temperature of shallow top soil
Author(s):
ZHANG Ting YANG Ping*
College of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
Keywords:
freezing temperature soil moisture content salt content dry density
Classification number :
T265
DOI:
10.3969/j.jssn.1000-2006.2009.04.029
Document Code:
A
Abstract:
The shallow top soil in Nanjing was selected as the sample to investigate,the freezing temperature was measured by selfdeveloped equipment. Freezing temperatures of different soils, such as muddy clay, silty clay, mealy sand, at different moisture content, salt content and water quality were analyzed. The results showed that soil freezing temperature enhanced nearlylinearly with moisture content increasing at the equipmental condition. On the other hand, soil freezing temperature decreased sharply with the salt content increasing. However, changes of dry density had hardly influence on freezing temperature.

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Last Update: 2009-07-30