Abstract
A prototype apparatus was designed for large strain consolidation and hydraulic conductivity testing o f slurried materials. The apparatus consists of three parts; l oading frame, consolidometer pot and constant head flow system. The unique design of the loading frame allo ws for large strains. The frame can accommodate consolidometer of various diameters and heights. St ainless steel rings with diameter of 152mm and heig ht of 163mm have been used. Each consolidometer pot has ports for a series of manometers along its entire op erating height that allows for monitoring of pore-water pre ssures during consolidation testing or heads during hydraulic conductivity measurement. The constant head system allows consolidation testing to be conducted with p reselected constant back-pressure. The back-pressure can be selected to match head to be used in hydraul ic conductivity measurement on completion of consolidation. This prevents disturbances to the hydraulic r egime of the test specimen when going from consolidation tes t to hydraulic conductivity measurement.
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