随着城市建设发展的需要,很多高层建筑向多功能、多用途方向发展,一批集商业、娱乐、办公和公寓为一体的高层建筑拔地而起。由于建筑物的各部分使用功能和要求的不同,对建筑物结构形式、柱网布置等也就提出丁不同的要求。如商业用房、娱乐用房等大多布置在建筑物的下部,往往需要大跨度、大柱网以相适应。而 With the development of urban construction, many high-rise buildings are developing in a multi-purpose and multi-purpose manner, and a group of high-rise buildings integrating business, entertainment, office and apartment buildings are on the rise. Due to the different functions and requirements of the various parts of the building, different requirements have been put forward for the structural form of the building and the layout of the column net. For example, commercial buildings, recreational buildings, etc. are mostly arranged in the lower part of a building, and large-span and large-column networks are often required to adapt. and