Permeable Reactive Barrier Material Hydraulic Performance Under Freeze-Thaw Cycles

ASAC Project 2576 data from the Australian Antarctic Data Centre details laboratory experiments on the hydraulic performance of Permeable Reactive Barrier (PRB) materials under freeze-thaw conditions. The project tested two materials, a surfactant modified zeolite and a nutrient amended zeolite, through up to 40 freeze-thaw cycles to assess changes in permeability. Laboratory work was conducted at Macquarie University in 2005/2006, with field work planned for Casey Station in 2006/2007.

Use Cases

• Predicting the long-term effectiveness of Permeable Reactive Barriers based on material performance under freeze-thaw cycles.
• Modeling contaminant transport through subsurface channels that may form due to freeze-thaw action.
• Comparing the hydraulic stability of different granular fillings, such as surfactant-modified versus nutrient-amended zeolites.
• Assessing remediation risks for contaminated sites in polar regions based on laboratory experiment results.

Strengths

• Experiments were extended from 5 to 40 freeze-thaw cycles to explore trends more thoroughly.
• The dataset compares two specific materials: a surfactant modified zeolite and a nutrient amended zeolite.
• Project timeline and locations (Macquarie University 2005/2006, Casey Station 2006/2007) are documented.

Limitations

• Last updated 2006-04-04 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

AU_AADC (Australian Antarctic Data Centre), ASAC Project 2576

Collection Method

Laboratory experiments and planned field work.

Time Range

Laboratory work 2005/2006, field work planned 2006/2007.

Freshness

Last updated 2006-04-04 23:59:59.999000

Geography

Casey Station, Antarctica (field work site); Macquarie University, Australia (laboratory site).