Headache, Sleepiness, Irritability, Lethargy, Constipation, Depression, Muscle Pain/Stiffness, Lack of Concentration, Flu-like symptoms and insomnia are top ten caffeine withdrawal symptoms. Written Apr 8, 2013 Â· View Upvotes.
Wind, humidity, and sunlight are all factors in how long it takes for concrete to cure, walking, normally about 1 to 2 days. 5. How long does it take for concrete to cure enough to drive on? Again, wind, humidity, and sunlight are all factors but the standard is about 5 to 7 days.ind, humidity, and sunlight are all factors in how long it takes for concrete to cure, walking, normally about 1 to 2 days. 5. How long does it take for concrete to cure enough to drive on? Again, wind, humidity, and sunlight are all factors but the standard is about 5 to 7 days.
Rain's Effect on Fresh Concrete. Q.: We had a concrete patio placed. About 3 hours after it was placed, it began to rain and continued to rain for 2 hours. Will that compromise the integrity of the concrete with respect to strength, durability, and so on, over the long term?