闺 1.1 Application of Concrete Structures 同源大学 士齐五鞋学悦 1.1.1 Buildings Most of the high rise buildings higher than 100m in China were constructed with concrete structures or concrete-steel composite structures5 1.1 Application of Concrete Structures 1.1.1 Buildings Most of the high rise buildings higher than 100m in China were constructed with concrete structures or concrete-steel composite structures