MSC 85/26/Add.2 ANNEX 3 RESOLUTION MSC.268(85) - US Coast ...

MSC 85/26/Add.2ANNEX 3Page 3481.3 Proctor/Fagerberg test procedure1.3.1 Scope.1 Test method for both fine and relatively coarse-grained ore concentrates or similarmaterials up to a top size of 5 mm. This method should not be used for coal orother porous materials..2 Before the Proctor/Fagerberg test is applied to coarser materials with a top sizegreater than 5 mm, an extensive investigation for adoption and improvement isrequired..3 The transportable moisture limit (TML) of a cargo is taken as equal to the criticalmoisture content at 70% degree of saturation according to the Proctor/Fagerbergmethod test.1.3.2 Proctor/Fagerberg test equipment.1 The Proctor apparatus (see figure 1.3.2) consists of a cylindrical iron mould with aremovable extension piece (the compaction cylinder) and a compaction toolguided by a pipe open at its lower end (the compaction hammer)..2 Scales and weights (see 3.2) and suitable sample containers..3 A drying oven with a controlled temperature interval from 100 o C tomaximum 105 o C. This oven should be without air circulation..4 A suitable mixer. Care should be taken to ensure that the use of the mixer doesnot reduce the particle size or consistency of the test material..5 Equipment to determine the density of the solid material, for example apycnometer.1.3.3.3 Temperature and humidity (see 1.1.3)1.3.4 Procedure.1 Establishment of a complete compaction curve. A representative sampleaccording to a relevant standard (see section 4.7, page 20) of the test material isdried at a temperature of approximately 100 o C. The total quantity of the testmaterial should be at least three times as big as required for the complete testsequence. Compaction tests are executed for five to ten different moisturecontents (five to ten separate tests). The samples are adjusted in order that dry toalmost saturated (plastic) samples are obtained. The required quantity percompaction test is about 2000 cm 3 .I:\MSC\85\26-Add-2.doc