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2. 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.

3. Falsework - Wikipedia

   en.wikipedia.org/wiki/Falsework

   Falsework includes temporary support structures for formwork used to mold concrete [1] in the construction of buildings, bridges, and elevated roadways. The British Standards of practice for falsework, BS 5975:2008, defines falsework as "Any temporary structure used to support a permanent structure while it is not self-supporting."

4. Mold - Wikipedia

   en.wikipedia.org/wiki/Mold

   Daniele Del Nero, for example, constructs scale models of houses and office buildings and then induces mold to grow on them, giving them an unsettling, reclaimed-by-nature look. [36] Stacy Levy sandblasts enlarged images of mold onto glass, then allows mold to grow in the crevasses she has made, creating a macro-micro portrait. [37]

5. Photos from U.S. military bases show mold, mice, roaches and ...

   www.aol.com/news/photos-u-military-bases-show...

   Photos collected by Hots&Cots and provided exclusively to NBC News reveal what the group says is mold covering the ceiling of an Army dining room in Korea, a roach on a counter at a Texas Air ...

6. Autoclaved aerated concrete - Wikipedia

   en.wikipedia.org/wiki/Autoclaved_aerated_concrete

   Autoclaved aerated concrete (AAC) is a lightweight, precast, cellular concrete building material, eco-friendly, [1] suitable for producing concrete-like blocks. It is composed of quartz sand , calcined gypsum , lime , portland cement , water and aluminium powder .

7. Is This Toxic Mold? How To Know If It's In Your House—And Why ...

   www.aol.com/toxic-mold-know-house-why-184500544.html

   knape - Getty Images. Regardless, mold illness could become more common in the future, thanks to climate change. As climate change is predicted to increase global temperatures, humidity, and rain ...

8. David Copperfield sued over ‘trashed’ $7 million Manhattan ...

   www.aol.com/david-copperfield-sued-over-trashed...

   Between extensive water damage that threatens the concrete structure of the building itself; interior water damage has spurred mold and mildew growth so severe that it conceals the underlying ...

9. Waffle slab - Wikipedia

   en.wikipedia.org/wiki/Waffle_slab

   A waffle slab is flat on top, while joists create a grid like surface on the bottom. The grid is formed by the removal of molds after the concrete sets. This structure was designed to be more solid when used on longer spans and with heavier loads. [3]