noun
or plate beam
: a built-up girder resembling an I beam in cross section but having a rolled steel plate for a web and flanges that usually consist of angles alone or angles and plates
noun
or plate beam
: a built-up girder resembling an I beam in cross section but having a rolled steel plate for a web and flanges that usually consist of angles alone or angles and plates
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012