Chapter seven

Specification of materials—soil, sand and gravel

7.1 Methods of specifying particle-size composition
7.1.1 The need for precision

Choosing the best materials from those on offer locally can make all the difference to the efficiency of construction. Cost and availability can be misleading as the market tends to be geared more to the needs of the civil engineer and the builder than to those concerned with sports turf. The increasing density that comes with the progressive interpacking of smaller and smaller particles within the pore space formed by larger particles is a virtue for making concrete. It is not a virtue when seeking ...

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