1 Next finish the edges. I used a rolled edge on my serger but you could use any overcast stitch on your sewing machine or even a zig zag. you just want something that will prevent the edges from unraveling.  Finally fray check the corners so that they stay in tact.
To assess the performance of nickel-titanium reinforced concrete bridges, the researchers analyzed three types of bridge columns: traditional steel and concrete, nickel titanium and concrete, and nickel titanium and engineered cementitious composites, which include cement, sand, water, fiber and chemicals.
The walkwayâs 24mm-thick glass panes are 25 times stronger than other forms of glass, allowing it to âstand firm even if tourists are jumping on itâ, a worker who built the bridge told the China New Service. Visitors on China's new all-glass suspension bridge in the Hunan province Photo: Getty Images.