esperienze opzioni binarie mamma stipendio Pre-stressed concrete poles can support heavier loads with less deflection than wood or light metal poles. Their rigid construction prevents “wind sway”. These poles can resist bumper damage when placed near curbs or in parking lots.

source site More Environmentally Friendly

http://yogastlouis.com/oq/46/capital-td-opzioni-binarie-opinioni.html The materials that go into concrete are mostly inert and produced directly from the earth. They undergo little if any change during the production process. This, along with the low energy consumption used to produce concrete poles, allows for a product that is more environmentally friendly.

go site Pre-stressed concrete poles will give years of long service life. The permanent surface will age gracefully under the stresses of nature and time, and does not corrode or rust like steel.

binäre optionen trend indicator Direct Burial concrete poles eliminate the cost and time delays of setting expensive anchor base footings. Under normal circumstances, a direct burial concrete pole can be set directly into an augered hole. Depending on the strength of the soil, backfilling can be accomplished with aggregate, concrete or the original soil. With no unsightly base plates, studs or nuts to cover, direct burial poles provide a clean, uncluttered appearance. Direct burial saves time, money and is more visually appealing.

Pre-stressed concrete poles are long lasting, up to 6o years; since they are not affected by factors of termites, rot due to moisture and fire as well as ability to resist corrosion. Initial they sound a bit costly, but more economical and cheaper as it offers a long serving life than wood and metal power poles.