SIMPLE TECHNIQUE FOR IDENTIFYING HEAVE POTENTIAL
1973
IDENTIFYING SURFACE HEAVE OF AN EXPANSIVE CLAY IS OF CONSIDERABLE HELP IN SELECTING AN APPROPRIATE FOUNDATION SYSTEM TO AVOID COSTLY DAMAGES TO LIGHT STRUCTURES. A CORRELATION IS DEVELOPED BETWEEN PERCENT SWELL, LIQUID LIMIT, AND DRY UNIT WEIGHT FROM A RETROSPECTIVE ANALYSIS OF MANY SWELL TESTS PERFORMED IN CONNECTION WITH ROUTINE FOUNDATION INVESTIGATIONS ALONG THE TREXAS-LOUISIANA GULF COAST AREA. EMPIRICAL CRITERIA ARE PRESENTED FOR RECOGNIZING HEAVE POTENTIAL OF THE BEAUMONT CLAY FROM ESTIMATED NEAR-SURFACE SWELL. HIGH HEAVE POTENTIAL SHOULD BE ANTICIPATED WHEN THE NEAR-SURFACE SWELL EXCEEDS ABOUT 4 PERCENT.
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