Cold Climates
Concerns over the resistance to the freeze-thaw cycle have limited the use of pervious concrete in cold weather environments. The rate of freezing in most applications is dictated by the local climate. Entrained air may help protect the paste like in normal concrete. The addition of a small amount of fine aggregate to the mixture increases the durability of the pervious concrete. Avoiding saturation during the freeze cycle is the key to the longevity of the concrete. Related, having a well prepared 8 to 24 inch (200 to 600 mm) sub-base and drainage will reduce the possibility of freeze-thaw damage.
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Famous quotes containing the words cold and/or climates:
“I have been told, that in some public discourses of mine my reverence for the intellect has made me unjustly cold to the personal relations. But now I almost shrink at the remembrance of such disparaging words. For persons are love’s world, and the coldest philosopher cannot recount the debt of the young soul wandering here in nature to the power of love, without being tempted to unsay, as treasonable to nature, aught derogatory to the social instincts.”
—Ralph Waldo Emerson (1803–1882)
“All climates agree with brave Chanticleer. He is more indigenous even than the natives. His health is ever good, his lungs are sound, his spirits never flag.”
—Henry David Thoreau (1817–1862)