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Experimental Study at Chloride Erosion in Laterite Dam

Chen, Gang / Yang, Hua Shu / Li, Jin Yu / Shao, Luo

Laterite dams are chronically eroded by chloride in acidic reservoir water, and the fact is confirmed by dam safety checkups. Based on chemical analysis of water-soil interaction, accelerated life tests of dipping in HCl solution were designed for laterite. Multi-team engineering indices and microstructure characteristics of deteriorated laterite were compared and analyzed, changes of ion concentration in exudates were tested, and changes of laterite microstructure were observed. Interaction mechanism between water and laterite was opened out, so historical statistical data was further confirmed why service life of laterite dam is always too short.

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Experimental Study at Chloride Erosion in Laterite Dam

Chen, Gang / Yang, Hua Shu / Li, Jin Yu / Shao, Luo

Laterite dams are chronically eroded by chloride in acidic reservoir water, and the fact is confirmed by dam safety checkups. Based on chemical analysis of water-soil interaction, accelerated life tests of dipping in HCl solution were designed for laterite. Multi-team engineering indices and microstructure characteristics of deteriorated laterite were compared and analyzed, changes of ion concentration in exudates were tested, and changes of laterite microstructure were observed. Interaction mechanism between water and laterite was opened out, so historical statistical data was further confirmed why service life of laterite dam is always too short.

Experimental Study at Chloride Erosion in Laterite Dam

Chen, Gang / Yang, Hua Shu / Li, Jin Yu / Shao, Luo

Laterite dams are chronically eroded by chloride in acidic reservoir water, and the fact is confirmed by dam safety checkups. Based on chemical analysis of water-soil interaction, accelerated life tests of dipping in HCl solution were designed for laterite. Multi-team engineering indices and microstructure characteristics of deteriorated laterite were compared and analyzed, changes of ion concentration in exudates were tested, and changes of laterite microstructure were observed. Interaction mechanism between water and laterite was opened out, so historical statistical data was further confirmed why service life of laterite dam is always too short.

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Title:

Experimental Study at Chloride Erosion in Laterite Dam

Contributors:

Chen, Gang / Yang, Hua Shu / Li, Jin Yu / Shao, Luo

Published in:

Advanced Materials Research ; 598 ; 569-573

Publication date:

2012-11-29

Size:

5 pages

ISSN:

1662-8985 , 1022-6680

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.598.569

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Erosion , Soil-Structure , Seepage , Water-Soil Interaction (WSI) , Laterite , Soil Testing

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