8. Site references

Numerous major references in northern and eastern France: road and motorway networks (notably the A1 freeway).

Frottey-Liotant bypass.

Notable use in the construction of the new TGV Nord high-speed rail line (figure ): around 10 million tonnes according to source Surschiste (early 1990s).

An important recent economic reference: the Dourges multimodal platform.

Main quantities :

• spoil heaps: 2.5 million m ³ ;

• backfill 1 million m ³ ;

• subgrade 150,000 m ³ ;

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