The company says that once perfected, the innovative, cost-saving technique will allow the cement to be reused in grouting and reduce the amount of spoil sent to landfill.
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Keller in Germany is developing on-site technology that can quickly measure the cement content of back spoil produced during jet grouting.
The company says that once perfected, the innovative, cost-saving technique will allow the cement to be reused in grouting and reduce the amount of spoil sent to landfill.
The UK's Coal Authority has added Aarsleff Ground Engineering to its Framework programme