DETAILED NOTES ON POLES

For increased-strength purposes, accelerated curing techniques may be applied to the concrete. A common approach involves heating the poured concrete with steam, which serves to both retain it moist and raise the temperature so that the hydration process proceeds additional promptly and much more totally.The achievements with telegraph wires trigge

Steaming is mostly useful for Southern Pine poles, having said that Douglas Fir poles addressed with waterborne preservatives also may very well be steamed. Douglas Fir is usually Boultonized, exactly where the retort is pressurized as well as preservative is heated to one hundred eighty levels to 220 levels File.Using this crude strategy, he laid