Viber plate compactor7/8/2023 ![]() ![]() In other words, OMCvp is higher (likely) than OMCstd which, in turn, is higher than OMCmod which is greater than OMC15tvib. ![]() To set the record, it is universally understood that "an" optimum moisture content is energy driven. RE: Compaction Rate with a vibrating plate GeoPaveTraffic (Geotechnical) 29 Jun 09 07:58 For mixes of sands and clays in-between, rammers with extension plates and vibratory rollers are recommended. For the contrary range, 100% clay to a mix with 50% sand, rammers and rammer plates are recommended. This is the same range recommended for static rollers. Vibratory plates are only recommended for non cohesive soils up to a maximum mix of clay of 50% clay. For the Vibrating Plate Tamper (not the "Frog", which is smaller) says "Compaction maybe obtained for some distance around the plate, by vibratory settling" and further in the text a chart for compaction selection is given, where the recommended equipment for compaction is selected on the sole basis of the kind of soil to be compacted. Moving the Earth, the workbook of Excavation 4th EdÄoesn't make specific statement of what the kinds of small tampers and vibrators can get in terms of compaction, but says in the section that a compaction meter by MBW can measure the degree of compaction attained, "say 95 percent of optimum density". ![]()
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