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  3. Effect of pore fluid chemistry on the sedimentation and compression behavior of pure, endmember fines
  4. Dependence of sediment compressibility and recompressibility on pore fluid chemistry for pure, endmember fines

Dependence of sediment compressibility and recompressibility on pore fluid chemistry for pure, endmember fines

Dates

Publication Date

Citation

Jang, J., Cao, S.C., Stern, L.A., Jung, J., and Waite, W.F., 2018, Effect of pore fluid chemistry on the sedimentation and compression behavior of pure, endmember fines (Version 1.1, August, 2019): U.S. Geological Survey data release, https://doi.org/10.5066/F77M076K.

Summary

The safety, effectiveness and longevity of many construction and geotechnical engineering projects rely on correctly accounting for the evolution of soil properties over time. Critical sediment properties, such as compressibility, can change in response to pore-fluid chemistry changes, particularly if the sediment contains appreciable concentrations of fine-grained materials. Pore-fluid changes act at the micro scale, altering interactions between sediment particles, or between sediment particles and the pore fluid. These micro-scale alterations change how sediment fabrics and void ratios develop, which directly impacts macro-scale properties such as sediment compressibility. The goal of this study is to correlate sediment compressibility, [...]

Contacts

Contact :
Junbong Jang
Author :
Junbong Jang, Shuang C. Cao, Laura A Stern, Jongwon Jung, William F Waite
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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Endmember_Fines_Consolidation_Data_meta.xml
“CSDGM metadata.”
Original FGDC Metadata
View 		24.88 KB application/fgdc+xml
Endmember_Fines_Consolidation_BrowseGraphic.png
“Image showing consolidation test setup steps.” 		thumbnail 682.31 KB image/png
Endmember_Fines_Consolidation_Data.xlsx
“Data in XLSX format.” 		59.03 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Endmember_Fines_Consolidation_Data.csv
“Data as comma-separated values.” 		13.44 KB text/csv

Purpose

Consolidation data provide the macro-scale expression of a set of micro-scale interactions between fine-grained particles and between those particles and the pore fluid surrounding them. These data support an effort to connect the micro- and macro-scale sediment response to changes in pore fluid chemistry. Data contained in this report cover a suite of fine-grained sediment types and pore fluid chemistries to provide trends for interpreting sediment compressibility over a range of environments, applications and system-evolution scenarios. Specifically, the consolidation data are used to build a correlation with a sediment index property (electrical sensitivity, which is based on the liquid limit of each sediment). The correlation is presented in the related journal article (Jang and others, 2018).
Image showing consolidation test setup steps.
Image showing consolidation test setup steps.

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