Hello
I come with a simple question... I have seen a few times slopes being developed in 2 or more levels, between a short horizontal length appearing. Maybe someone can explain me the purpose of this? Many times it can be used for road or rail embankments. Why can't just one single slope be...
Hello
I would like to ask what is the reason that in practice, when someone is making concrete manually (not from the concrete plant) and wants to make let's say 1 m3 concrete it is required to use more aggregates that when summed up would give 1,2 - 1,4 m3 alone. I'm a student and in the lab...