"It can be concluded that, from the results of this laboratory study, portland limestone
cement can be used in conjunction with [the] 0AG technique to reduce the use of ordinary portland cement, and improve the performance of concrete in pavement application," they conclude.
Siebel, "Assessment of the suitability of limestone for producing portland limestone
cement (PKZ)," Zement-Kalk-Gips, vol.
On the contrary, in 2002-2003 the corrosion loss of zinc (Reiss and Faller, 2007) and in 2005-2006 the loss of Portland limestone
increased at Lahemaa.
"Reid Trials of Concretes Produced with Portland limestone
Cement." Concrete International, January, pp.
Many published papers have reported poor durability behavior of Portland limestone
cements containing limestone more than 5%.
, which was used to build St Paul's Cathedral and Buckingham Palace, is still quarried here and its history is covered in an exhibition at Portland Museum.
Mr Walls is creating a sculpture representing two swirling figures from a four-ton slab of Portland limestone
Ohorongo Cement currently offers rapid hardening Portland Limestone
Cement of two strengths, namely 32.5 and 42.5 and most local retailers are now stocking the new brand.
The company's current range of products include 'Classic' - the ordinary Portland cement, 'Flexi' - the Portland limestone
cement, and GGBS - ground granulated blast-furnace slag cement.
Its broad range of products is suitable for ready mix and precast players, individual customers and architects and include Portland cement, Portland limestone
cement, and ground granulated blast-furnace.
Liverpool's a hot-spot for fossilspotters because of the liberal use of Portland limestone
by town planners 150 years ago.
The recent European Standard EN 197 identifies two types of Portland limestone
cements (PLC): Type II/A-L containing 6-20% and Type II/B-L containing 21-35%.