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Global Geology 2013, 16(1) 48-53 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Research on pore microstructure features for dredger fill based on mercury intrusion method |
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SUN Mingqian, WANG Qing, YAN Huan and SONG Shengyuan |
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College of Construction Engineering��Jilin University��Changchun 130026��China |
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Abstract��
The material composition and microstructure have a comprehensive influence on geological engineering properties of dredger fill�� The porosity of the dredger fill is an important characteristic of microscopic structure�� Taken dredger fill from Binhai New Area in Tianjin as research object��the distribution trend of pore is obtained by granularmetric analysis��mineral composition analysis and mercury intrusion method�� By discussing the variation regulation of dredger fill in two different kinds of processing methods��certain theoretical basis is provided for evaluating the engineering geological properties of dredger fill�� It can be concluded from the test results that after drainage treatment��the porosity decreased and the structure unit changed from the relatively loose state to aggregate state�� In certain depth range��the consolidation effect of dredger fill with drainage treatment is better than that without drainage treatment�� |
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Keywords��
dredger fill
microstructure
characteristics
mercury intrusion method
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Received Revised Online: |
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