They would certainly be less pleasing to the eye and often more expensive than the prestressed concrete beam. 與預應力混凝土梁比較,它們自然更顯得外貌粗拙,不甚美觀(guān),而且成本也往往更高一些。
Gravity framing in the basement takes the form of a conventional concrete beam and slab design. 地下室的重力框架采用了傳統的混凝土梁板的設計。