Is there any specified criteria to use the modified proctor method instead of the standard proctor in the establishment of moisture density relationship of the soil?
In General Specification of Civil Engineering Works, it states “Fine aggregate for concrete shall be natural sand consisting of at least 95% by mass of grains”. The aim of such specification is to control the qualityof river sand. As quaquartz rtz is a durable and hard material, using a high percentage of quartz in aggregates of concrete can enhance the strength and durability of the surface texture of
concrete carriageway.
In addition, such specification requires a high percentage of quartz content, thereby
reducing the probability of presence of impurities like shell.
May visit the following web page for references...Best..!!
http://www.brighthubengineering.com/geotechnical-engineering/119769-geotechnical-topics-soil-compaction/
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