Description
ASTM D 698, D 1557, D 558 ; AASHTO T 99, T180, T 134 ; EN 13286-2;
BS 1377:4, 1924:2; NF P 94-093 (Alternative); AS 1289.5.1.1 and 5.1.2
Soil compaction is a fundamental requirement for the construction of earth fill for dams, reservoirs, canal embankments, highways, railways and runways. The relationship between soil moisture content and compacted dry density is very useful for deciding construction specifications and quality control of compacted earthfill. While designing a soil retaining structure, the strength and deformation behaviour of soil is evaluated by testing soil specimen compacted to the density as would be achieved during construction. The construction quality control is essentially to check the density of compacted soil achieved in the field, thereby checking its strength.
Moulds and rammers are used for determining the relationship between the moisture content and density of compacted soil. Made of plated steel, includes collar, mould body and base plate. Rammers are used to compact the soil sample in the Proctor Moulds and made of plated steel. Different models are available conforming to the relevant standards.
According to NF P 94-093, proctor moulds and rammers that include “…NF”, can be used as an alternative to the moulds and rammers that include “…E” which also in compliance with EN 13286-2.
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