I would also assume it keeps the bridge functional during a winter snowfall, and prevents a few tons of snow accumulating and breaking the bridge.
I would also assume it keeps the bridge functional during a winter snowfall, and prevents a few tons of snow accumulating and breaking the bridge.
The snow just loads the roof which is carried by the same truss as the deck, so no change in load.
The snow just loads the roof which is carried by the same truss as the deck, so no change in load.
Unless it's a flat roof, it shouldn't be the same.
Unless it's a flat roof, it shouldn't be the same.
Regardless of the slope of the roof, looking straight down, x square feet of snow weighs the same whether it's on a slope or flat.
Regardless of the slope of the roof, looking straight down, x square feet of snow weighs the same whether it's on a slope or flat.
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