4. Impacts and indications for concrete in ecological engineering
4.1 Overview of concrete life cycle assessment
Aggregates are rock fragments. They are the primary subsoil resource exploited in France. Aggregates can be extracted from quarries on land or at sea.
The industrial process stages for land-based quarries are as follows:
stripping: topsoil and weathered rock are removed;
extraction: this can be carried out in dry or hydraulic conditions....
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Impacts and indications for concrete in ecological engineering
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