局部刚性约束如顶板、柱子等将增大墙体的应力。
Partial rigid restraint like top slab and column will increase the wall's stress.
而在实际结构中，有很多的混凝土柱属于双向偏心受压，如管道支架和水塔的柱子，在地震区的多层框架柱等。
The actual structure, there are a lot of concrete columns are two-way eccentric, such as pipelines and cooling towers that support pillars, in the earthquake zone such as multi-storey frame columns.
主要用途： 电梯、高档建筑装饰、柱子包层等。
Main Application: hardware, escalator, column coating and etc.
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