14 ABSTRACT AN APPARATUS TO CHARACTERIZE WEAK ROCK AN APPARATUS FOR DETERMINING THE SWELLINO, SHRINKIN- AND COLLAPSING PROPERTIES OF' 5 WEAK ROCKS IS PROVIDED. THE APPARATUS BEING UTILIZED IN (FIE PRESENT INVENTION SIMULATE THE REAL TIME BEHAVIOR OF WEAK ROCKS LINDER @0.000000E+00T TROPICAL CLIMATE WITH HEAVV RAINFALL TLIR0LL2H0LLT THE YEAR. THE APPARATUS ALSO ALLOWS FOR THE CONFILLED AND UNCONFINED SWELLIN- TEST OF THESE WEAK ROCKS. FURTHEMIORE, THE PRESENT INVENTION UTILIZES DISPLACEMENTS RNEASURIN- MEANS TO MEASURE SWELL DISPLACEMENTS OR 10 SHRINKAGE OF THE ROCK SAMPLES AND A DATA LOGGING MEANS COUPLED WITH A DATA ACQUISITION AND PROCESSOR MEARIS WHICH RECORDS AND PROCESS ALL INIBRINATIOLL IN REAL TIME TO CLETEM-LINE THE CHARACTERS AND PHYSICAL PROPERTIES OF WEAK ROCKS WITH REGARDS PARTICULAR]' TO ITS SWELL PROPENSITIN TROPICAL ENVIRONMENT. (IMOST ILLUSTRATIVE IN FIGURE 2) 1 5 @000/1)- 20 25
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