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2. Pavers (flooring) - Wikipedia

   en.wikipedia.org/wiki/Pavers_(flooring)

   By allowing water to drain through the pavers in a way that mimics natural absorption, builders and landscapers are able to limit surface runoff [7] and prevent soil erosion or buildup of standing water in the surrounding land area. Some permeable paver installations are designed to harvest rainwater, which can then be repurposed for uses such ...

3. Blaw-Knox - Wikipedia

   en.wikipedia.org/wiki/Blaw-Knox

   In 1956, they developed the first auto-grade-and-slope pavers. [5] Blaw-Knox went on to establish a broad line of paving machines for the US and UK markets. The UK employed a distinctly different paving method, applying a deeper mat of asphalt than was common in the US, which resulted in a marked reduction in paving speed.

4. Asphalt concrete - Wikipedia

   en.wikipedia.org/wiki/Asphalt_concrete

   Asphalt batch mix plant A machine laying asphalt concrete, fed from a dump truck. Asphalt concrete (commonly called asphalt, [1] blacktop, or pavement in North America, and tarmac or bitumen macadam in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. [2]

5. Permeable paving - Wikipedia

   en.wikipedia.org/wiki/Permeable_paving

   Permeable paving demonstration Stone paving in Santarém, Portugal. Permeable paving surfaces are made of either a porous material that enables stormwater to flow through it or nonporous blocks spaced so that water can flow between the gaps. Permeable paving can also include a variety of surfacing techniques for roads, parking lots, and ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Alkali–silica reaction - Wikipedia

   en.wikipedia.org/wiki/Alkali–silica_reaction

   To attempt to simplify and to stylize a very complex set of various reactions, the whole ASR reaction, after its complete evolution (ageing process) in the presence of sufficient Ca 2+ cations available in solution, could be compared to the pozzolanic reaction which would be catalysed by the undesirable presence of excessive concentrations of alkali hydroxides (NaOH and KOH) in the concrete.