Portland stone

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Port´land stone´


1.A yellowish-white calcareous freestone from the Isle of Portland in England, much used in building.
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The resources are an aggregate of two separate oil columns, one within conventional Purbeck and Portland limestone reservoirs and a deeper one within a conventional Inferior Oolite limestone reservoir.
On the contrary, in 2002-2003 the corrosion loss of zinc and in 2005-2006 the loss of Portland limestone increased at Lahemaa.
Accordingly, Consumer Affairs Authority of Sri Lanka is gazetting on 19 February cement (ordinary Portland, Portland limestone and masonry cement) Maximum Retail Prices (MRP) at Rs 840.
Comparing the influence of different chemical admixtures on Portland cement paste and paste flow characteristics, it was found that effective plasticizer Portland limestone CLN is more efficient than Portland cement paste CN or CR.
y The second piece - a distinctive stone bench constructed of white Portland limestone - will be unveiled in Pembroke today .
An analysis of properties of Portland limestone cements and concrete, Cement and Concrete Composites 24(3-1): 371-378.
Many published papers have reported poor durability behavior of Portland limestone cements containing limestone more than 5%.
Portland limestone, 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.
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.

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