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General News
04 January 2011
A look at the development of concrete interlocking paving
Location: SCI HQ, London, UK
Date: 17 February 2011,
Time: 18:30 - 20:00
Organised by: SCI's Construction Materials
Group
Synopsis
A special type of paver referred to as an "interlocking concrete paver" or also a segmental paver has emerged over the last fifty years as a very popular alternative to stone, brick, or clay for hardscaping.
Segmental pavers have been used for thousands of years. The Romans built roads with them that are still there. But it wasn't until the mid 1940's that pavers began to be produced out of concrete. It started in The Netherlands where all the roads are made to be flexible because The Netherlands is below sea level and the ground shifts, moves and sinks. Poured concrete is not an option here because it will crack and the individual units not set in concrete placed in sand perform far better than concrete. Before the paver made from concrete was available either real stone or a clay products were used.
From a Roman Road to Modern Concrete Paving
Speaker
John Fifield is the Cementitious
Products Technical Adviser for CRH. He joined CRH in 1989 having
worked previously for Tunnel Cement and Anchor Roof Tiles. As
technical director for Anchor Roof Tiles he developed an innovative
concrete roofing tile that was granted both the Millennium
Innovation Award and the Queen's Award for Innovation. For CRH he
is responsible for promoting best practice in the manufacture of
its worldwide concrete products businesses and for the
co-ordination and promotion of new product development. John has
published several papers related to cement and cementitious
products and is the named inventor on many patents and designs
including concrete interlocking pavers.
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