Report No. : GEO Report No. 301

Report Title : Pilot Study on Use of Infrared Oven for Determination of Soil Moisture Content (2014), 56 p.

Author : T.H.H. Hui


A pilot study was initiated by the Public Works Central Laboratory (PWCL) to investigate the feasibility and practicability of using the infrared heating technique for carrying out routine moisture content tests. The results revealed that the moisture content tests of most of the common fill materials in Hong Kong could be completed within 3½ hours, which could facilitate the early determination of relative compaction and hence the progress of filling works. The findings indicate that the infrared heating technique appears to be promising as a possible alternative to the conventional method of using a convection oven.

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