Title: Stabilization of dredged silt from West Lake
Abstract: Industrial residues,cement and additive were used to stabilize dredged silt from West Lake.Results showed that the stabilized-silt can be used as roadbase filling.Water content is one of the key parameters for the silt stabilization.When water content is below 100%,the strength of the stabilized-silt improves dramatically with the increase of stabilizer mixing ratio and age.Steel slag is much more effective than flying ash in improving the strength of stabilized-silt.When the steel slag mixing ratio is above 30%,stabilized-silt Ⅰ can be used as roadbase filling,stabilized-silt Ⅱ can be used as subbase filling,yet the stabilized-silt with flying ash can′t.A small quantity of QL-1 additive can dramatically improve the strength of stabilized-silts,when the economic mixing ratio is less than 1.5‰.The cement mixing ratio should be above 10% to stabilize the dredged silts.It is estimated that when using in roadbase construction,stabilized-silt costs almost the same as graded aggregate,yet the former has much more environmental and social values.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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Cited By Count: 2
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