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Localised corrosion of copper canisters in bentonite pore water - SKB

... pore-water composition of the bentonite surrounding the canister. ..... (note the difference in vertical and horizontal scales in the figure). ..... The corrosion potential ECORR is the potential at which the sum of the rates of the anodic (oxidation).

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Results of the tests on bentonite (Part 1)

Oct 7, 2011 ... No bentonite vertical or lateral deformation was allowed but the .... The permeability coefficient thus measured represents the sum of the...

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Presence of bentonite beds in the earliest Eocene Tie- nen ...

onal deformation structures resulting from the vertical tectonic movements around ... are defined as the sum of illite + smectite + mixed-layered illite- smectite.

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The effects of salt solutions on the properties of bentonite-sand ...

bentonite-sand mixtures (10 and 20% of bentonite by dry weight) have been measured with distilled water and .... void ratio of the clay is very sensitive to the vertical effective stress ..... is equal to the algebraic sum of the components supported...

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waterproofing structures installed below ground level - Mapei

8.1.2 WATERPROOFING HORIZONTAL AND VERTICAL. SURFACES WITH ... 8.2.3 WATERPROOFING WITH A COMBINED BENTONITE-. FLEXIBLE ... The forces transmitted from the structure to the foundations are the sum of the following:.

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appendix e collection system design plans - EPA

vertical wells, combination horizontal and vertical collection systems, ... for each section proposed for exclusion, and the sum of all such sections must be ..... Bentonite clay acts as a seal or cap for the well hole to prevent air infiltration. Finally...

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Consolidation and Hydraulic Conductivity of Zeolite-Amended Soil ...

representative soil-bentonite (SB) backfill for vertical cutoff walls was evaluated via ..... Sum. 88.2. 246.5. 236.3. 172.5. Soluble metals (mg/kg): c. NA. Ca2ю. 46.1.

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Swelling pressure–suction relationship of heavily compacted ...

Heavily compacted bentonite–sand mixtures have been proposed to be used as ... The sum of osmotic and sorptive forces is equal to the total water potential ..... and the vertical deformations of the cells were measured using a precision dial...

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The swelling pressure of bentonite and sand mixtures

Keywords: Swelling pressure; bentonite and sand mixture; crystalline swelling; osmotic ..... bentonite-sand under vertical pressure changes. .... To sum up,.

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50/50 Western/Southern Bentonite Clay Ratios - American Foundry ...

mold with seacoal, and bentonite clay ratios of 20/80 and 80/20 Western to Southern respectively. ... The HC as Hexane results represent the sum of all organic ...... Caution: non- vertical ramming strokes will move blocks of compacted sand.

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Chemico-mechanical improvement of bentonite barriers for pollutant ...

4.6.1.1 Geosynthetic Clay Liner and natural sodium bentonite ..... loose sand, for the tests performed at 50 NPa and 100 NPa confining vertical stress .... considered as the sum of two contributions: macro-porosity, consisting of the voids.

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Influence of adsorption on phenol transport through soil–bentonite ...

Jun 9, 2010 ... of vertical barrier used in the U.S. is the soil–bentonite (SB) slurry trench ..... algorithm that minimizes the sum of the squared error between the...

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Modelling of bentonite block compaction - SKB

the small measured radial swelling especially for bentonite with the water content .... energy and internal energy for a fixed body of material is equal to the sum of the ...... Figure 7-1 shows the compaction curve with vertical stress plotted as...

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Bentonite pore distribution based on SAXS, chloride exclusion and ...

Jun 17, 2013 ... Water-saturated bentonite is planned to be used in many countries as an ... The interpretation of the NMR results was made by fitting a sum of discrete ...... of vertical expansion could be seen on inspection by the naked eye.

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Bentonite/Iron Oxide Composites: Preparation and Characterization ...

Jun 21, 2013 ... Bentonite/iron oxide system is prepared by isothermal calcination of powder .... by short vertical lines (red lines, hematite; green lines, maghemite). ... the hyperfine field distributions approximated by a sum of two Gaussian...

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Chemical Evolution of Bentonite Buffer in a Final Repository of ... - VTT

sum seems to dissolve and anhydrite seems to precipitate near the heater-bentonite ... knowledge of the bentonite evolution during the thermal phase, and after a good match ...... Swelling occurs in the vertical direction, according to Figure.

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Bentonite erosion- Final report - International Atomic Energy Agency

aqueous conditions, the montmorillonite part of the bentonite buffer might ...... Axial (vertical) transport driven by gravity (sedimentation), which requires that the fracture is ... quantities and give a total pressure that is the sum of the pressures.

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DOGAMI Special Paper 20, Bentonite in Oregon: Occurrences ...

Bentonite (including Ca-bentoniteffiiller's earth) sold or used by domestic producers for specified ..... {m1 blunt ill-hm sum: ill-h? .... Vertical faulting subparalle! to.

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Modelling Gas Migration in Compacted Bentonite - Posiva

gas migration, the model can also model water flow through the bentonite, some ...... was of a similar size to the sum of the estimated swelling pressure and ... vertical stresses under these conditions, the coefficient of earth pressure at rest (e.g....

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DIFFUSION OF CALCIUM CHLORIDE IN A MODIFIED BENTONITE ...

The MSB was apparently converted into a calcium-exchanged bentonite at the end of the test. Prehydration ..... vertical distance (positive x) from the top boundary of the specimen; hence ... represent the sum of Na+ and Ca2+ equivalents in the.

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