针对旋流加强（CHT）单立管排水系统在实际工程中已有应用,但《建筑给水排水设计规范》中还没有相关规定的情况,简要介绍了旋流加强（CHT）单立管排水系统,与传统双管排水系统在高层住宅中的应用比较,并分析旋流加强（CHT）单立管排水系统在设计中应注意的问题,以指导实践。%Although the single stack drainage system with whirlwind strengthen style（CHT） has been applied in actual engineering, there are not relevant regulations in Building Water Supply and Drainage Design Norms. The paper briefly introduces the single stack drainage system with whirlwind strengthen style（ CHT）, compares its application to traditional double-stack drainage system in high-rise buildings, and finally analy- zes matters needing attention in the design of single stack drainage system with whirlwind strengthen style, so as to guide practice.
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