Quarry Products

A Finnish concrete element company has developed a new concrete slab for intermediate floors.

World demand for cement and concrete additives is projected to increase 8.35% annually to US$15.8 billion in 2015, a significant improvement over the performance of the 2005-2010 period.

Cement demand in Germany will not grow in 2012, according to national cement industry association Verein Deutscher Zementwerke (VDZ).

According to reports the cement contract for the new £1.5billion (€1.79billion) Forth bridge in Scotland could be awarded to Hochtief from Germany.Lafarge in Dunbar, Scotland, has bid for the contract, and the speculation follows the recent announcement that steel for the bridge will come from Spain, Poland and China.

On 31 January it was 150 years to the day since Göran Fredrik Göransson's new company was formed in Sandviken, Sweden. At that time, Sandvik was first in the world to use the Bessemer process, which would revolutionise steel manufacturing. The company quickly became among the world's leaders in its industry.

The UK's Office of Fair Trading (OFT) has referred the aggregates, cement and ready-mix concrete markets in Great Britain to the Competition Commission.

The decision to make a market investigation reference follows the publication of the OFT's market study and its announcement of a provisional decision to refer these markets in the UK in August 2011.

A new Kleemann MR 130 ZS, part of the new Mobirex EVO series from Kleemann, is in operation at Eckl, a company from Hemau in the Regensburg district of Germany. The track-driven impact crusher is used in a wide variety of recycling applications and also in natural stone. At a quarry near Pappenheim in Bavaria, the machine has been used for crushing lime rock. With the screening unit and oversized grain recirculation feature, a defined final grain size of 0-45mm is produced, which can later be used as a su

Recycling old concrete has never been easier or more cost-effective as Patrick Smith reports. Recycling is now a common method of utilising the rubble produced when structures made of concrete are demolished or renovated.
Rather than truck the old material to landfill sites, advances in equipment over the years coupled with greater environmental awareness, more environmental laws, and the desire to keep construction costs down, has made recycling an attractive proposition.
Indeed, a considerable amount