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فرمت فایل: word (قابل ویرایش و آماده پرینت)
تعداد صفحات:5
Houses have been built with wood for hundreds of years. Old growth trees make a good building material.
However, a dwindling supply of old growth trees and environmental concerns have caused the price of wood to soar while quality has plummeted. Today, it is clear that there is a need for a new building material .
Steel has come to the forefront as the best solution and the combination of Red Iron for structural strength and galvanized light gage for the non-structural framing is the best of the different steel framing systems available today.
For generations, we have relied on the strength and durability of steel in commercial buildings, hospitals, and in our children's schools. Now you can get the superior quality and safety of steel in your home at a price you can afford.
A steel frame is stronger than wood.
Steel framing material is significantly stronger than wood. In fact, it has the highest strength-to-weight ratio of any residential building material. So you know your home is more solid wiYour steel framed home is safer in earthquakes.
Unlike wood framed homes, a steel framed home can be engineered for the highest seismic rating available for residential construction. Steel's strength and resiliency are part of the reason , plus the way a steel frame is constructed and fastened to the foundation.
Steel is unaffected by changes in the weather.
Individual members of a wood-framed home react differently and in varying degrees to climactic changes. This wood movement (expansion, contraction, warping, twisting, etc.) is noticeable as bulges in the wall, wallboard blemishes, sagging and squeaking floors, and wavy ceilings and roofs.
مقاله Sure,theres adif forence steel is better
