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2. My house didn't burn but ash from the L.A. fires fell in my ...

   www.aol.com/news/house-didnt-burn-ash-l...

   What's the best way to remove ash from yards in non-fire areas?. If you're dealing with ash problems outside the burn areas, researchers recommend dampening the ash first and then either gently ...

3. Concrete degradation - Wikipedia

   en.wikipedia.org/wiki/Concrete_degradation

   Degraded concrete and rusted, exposed reinforcement bar (rebar) on Welland River bridge of the Queen Elizabeth Way in Niagara Falls, Ontario. Concrete degradation may have many different causes. Concrete is mostly damaged by the corrosion of reinforcement bars due to the carbonatation of hardened cement paste or chloride attack under wet ...

4. Permeable paving - Wikipedia

   en.wikipedia.org/wiki/Permeable_paving

   The frequency of cleaning is again dependent on many site specific factors, such as runoff volume, neighboring sites and climate. Often, cleaning of permeable paving systems is done by suction excavators , which are alternatively used for excavation in sensitive areas and therefore are becoming increasingly common.

5. Environmental impact of concrete - Wikipedia

   en.wikipedia.org/wiki/Environmental_impact_of...

   These concretes are in many ways indistinguishable from normal hydraulic concrete: they have similar densities, can be used with currently existing metal reinforcement, and they actually gain strength faster than normal concrete [45] This application has yet to be explored on Earth, but with concrete production representing as much as two ...

6. Florida mobile homes torn apart like sardine cans by ... - AOL

   www.aol.com/news/florida-mobile-homes-torn-apart...

   Some homes were so badly damaged that the living rooms were left totally exposed. “My shed went through my neighbor’s house,” Dave Kania, 78, said of the damage at the Seabreeze Mobile ...

7. Pervious concrete - Wikipedia

   en.wikipedia.org/wiki/Pervious_concrete

   A pervious concrete street in 2005. Pervious concrete (also called porous concrete, permeable concrete, no fines concrete and porous pavement) is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass directly through, thereby reducing the runoff from a site and allowing groundwater recharge.