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TECHNOLOGICAL UNIVERSITY OF THE PHILIPPINES MANILA COLLEGE OF ENGINEERING CIVIL ENGINEERING DEPARTMENT CONSTRUCTION MATERIALS AND TESTING LABORATORY NAME : CASIA, MA. CRISTINA B. DATE : AUGUST 13, 2018 CRS.YR.SEC : BSCE-4E ENGR. MARJUN B. MACASILHIG EXPERIMENT NO. 4 “SPECIFIC GRAVITY OF FINE AGGREGATES” I. DISCUSSION Although, the concept of determination of specific gravity and absorption of fine aggregates is essentially similar to that of the coarse aggregates there are some differences that should be stated. One between particles. This somehow complicated the determination of the saturated surface dry (SSD) condition of fine aggregate. However, laboratory experiments led to the development of the cone test procedure by which the attainment of SSD condition can be determined. II. APPARATUS NEEDED Chapman Flask Sand Cone Test Apparatus Balance Spoon III.TEST PROCEDURE PREPARATION 1. Soak the test sample in water for 30 minutes. 2. Decant excess water with care to avoid loss of fines. 3. Expose the sample to a gently moving current of warm air. Stir frequently to secure homogenous drying. 4. Perform the cone test to determine if the sample has attained the saturated surface dry (SSD) condition.
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Christopher Reinemann
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