Portland limestone


Also found in: Dictionary.

portland stone, Portland limestone

An oölitic limestone which is quarried on the Isle of Portland, off the coast of England; widely used as a building stone in London.
Mentioned in ?
References in periodicals archive ?
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.
9%) * (3 samples) Portland limestone (mainly CaC[O.
Authors have found that the Portland limestone cement, with limestone content up to 20%, shows protective properties against rebar corrosion [4].
Its 'Flexi' Portland limestone cement, an environment-friendly product, is produced by inter-grinding cement clinker with strictly controlled amounts of high purity limestone and gypsum.
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%.
one of England's last ancient forests, the Forest of Dean, Gloucestershire, stretches over 500 square kilometres between the Wye and Severn rivers and is made up of predominently oak, ash, beech, birch and holly trees; Lulworth Cove, Dorset, is a natural harbour whose unique shape has been created by variation in the rates of erosion between the tough Portland limestone at its entrance and the softer chalk and clay in its interior; a prominent natural hill, Glastonbury Tor, Somerset, is considered sacred by people of a variety of religious and spiritual persuasions.
It is cut from an old door made of Portland Limestone that Mr Astling reclaimed from a Brierley Hill yard.
Additional information on research conducted on Saaremaa dolomite and other building materials, such as Carrara marble, Portland limestone, Baumberger sandstone, and Gotland sandstone, can be found in the MULTI-ASSESS conference materials (Kucera et al.
Its broad range of products are suitable for ready mix and precast players, individual customers and architects and include Portland cement, Portland limestone cement, and ground granulated blast-furnace.

Full browser ?