5. Mixtures treated with hydraulic and pozzolanic binders
Whatever their qualities, untreated gravel has the disadvantage of having a low E modulus, which depends on that of the subgrade. They distribute loads on the subgrade rather poorly, and are only suitable for low-traffic pavements or for certain specific uses. Engineers have therefore sought treatment techniques to stiffen them.
The first developments involved the use of cement.
The use of different binders with hydraulic or pozzolanic characteristics was then experimented with, and later generalized, as defined below.
5.1 Main hydraulic and pozzolanic binders
Hydraulic and pozzolanic binders are defined as products capable, when placed in the presence of water, of giving rise to a setting phenomenon, i.e. to...
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Mixtures treated with hydraulic and pozzolanic binders
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