Civil engineering materials郭亚龙 122303304Abstract:Structural engineering depends on the knowledge of materials and their properties, in order to understand how different materials support and resist loads.Key word: : , : , : , : , : Other structural materials:, , , , , 1.Iron is a with the symbol Fe and 26. It is a in the . It is the most common element (by mass) forming the planet Earth as a whole, forming much of Earths and . It is the fourth most com
