Tagged: civil

بتن-ریزی-پی-سوله-A3-2

Height (the distance) are allowed, particularly in concrete walls and columns how?

In the introduction it must be said in the European concrete regulations, regulations ACI and many prestigious international regulations, a certain height limits for shreh (free fall) have not seen concrete. While at the journal, 55 (technical specifications construction works) and national regulations (the ninth topic) such restrictions and strict type there.

steel str

Bridge types

There are five basic types of steel bridges: (1) Girder bridges – flexure or bending between vertical supports is the main structural action in this type. They may be further sub-divided into simple spans,...