消火栓充实水柱长度是多少

2025-04-07 11:57:21
推荐回答(1个)
回答1:

  1. 一般充实水柱为7m;

  2. 不超过100米的高层建筑充实水柱不小于10米;

  3. 超过100米的高层建筑充实水柱不小于13米。

  4. 充实水柱长度具体如下图:


  1. 简介

    《建筑给排水》中写道:水枪在26~38cm直径圆断面内,包含全部水量75%~90%的密实水柱长度称为充实水柱长度。水柱长度的范围为7到15米(包括7和15米)。小于7米难以接近火源,大于15米反冲力过大。《水灭火》中写道:充实水柱是指喷嘴至密集射流90%的水量穿过直径38cm处一段密集射流的长度。《建筑设计防火规范》GB50016-2014中指出:由水枪喷嘴起到射流90% 的水柱水量穿过直径380mm 圆孔处的一段射流长度。

  2. 水柱长度

    消防水流的有效射程通常用充实水柱表述,水枪的充实水柱是指从喷嘴出口起,到90%的射流总量穿过直径38cm圆圈处的密集不分散的射流长度。实验数据统计,火场的辐射热使消防人员无法接近着火点,因此,从水枪喷嘴喷出的水流,应该具有足够的射程,保证所需的消防流量到达着火点。当水枪的充实水柱长度过大时,射流的反作用力会使消防人员无法把握水枪灭火,影响灭火,充实水柱长度一般不宜大于15m。

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