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            暖通空調雜志社>期刊目次>2006年>第5期

            高層建筑樓梯井直灌式送風加壓研究

            Research on pressurization by direct blowing to stairwells for high-rise buildings

            王渭云
            公安部四川消防研究所

            摘要:

            對直接向樓梯井內送風加壓取代《高規》中規定的通過專用送風井向樓梯井內送風加壓的可行性,在北京、上海、太原、都江堰等地的實際高層建筑中進行了試驗驗證,并在實測數據基礎上進行了理論計算和CFD模擬分析,并分析了其經濟性。結果表明,采用直灌式送風加壓不僅可以滿足《高規》中對壓力值的要求,而且使樓梯井內上下壓力更加均勻;同時也增加了使用面積,降低了工程造價。

            關鍵詞:高層建筑 樓梯井 送風井 直灌式送風

            Abstract:

            For validating the feasibility that direct blowing pressurization substitutes that with special air supply well specified on Code for Fire Protection Design of Tall Buildings, conducts experiments in actual high-rise buildings in Beijing, Shanghai, Taiyuan and Dujiangyan. Based on the measured data, makes theoretical calculation and CFD simulation, and analyses the economic effects of this pressurization method. The results show that adopting this method can not only obtain the pressure required but also make stairwell pressure uniform, and moreover increase utilization area and reduce engineering costs.

            Keywords:high-risebuilding,stairwell,airsupplywell,directblowing
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