This article points to the fact that Bamboo is being used in place of steel pipe scaffolding.

Why Bamboo did not take over the world as a substitute for wood timber?

It is because bamboo post processing is expensive. As long as one is using uncut bamboo it is excellent material with high tensile and structural strength. However, to make 'timber' out of bamboo, one needs to separate bamboo fiber, soak them in water and then press join using glue to get a wood timber equivalent.