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“水篦子”和几种“井”的功能
2017-08-09 07:01:53 中国青年网
本周一立秋,成都下起第一场秋雨,这时城市的“水篦子”发挥了使水流通、格挡杂物、帮助城市排水的重要作用。那么,人们常说的“水篦子”究竟是什么,和雨水口、雨水井、检查井有何区别?
水篦子又称雨水篦子,由扁钢及扭绞方钢或扁钢和扁钢焊接而成,具有外形美观、最佳排水、高强度、规格多及成本低等优点,所以通常采用钢格板雨水篦子。随着科技的发展,采用树脂或塑料用钢筋做筋加无机填料形成一种全新的复合水篦子,优点是自重比铸铁水篦子轻,成本造价低,缺点是强度没有铸铁水篦子的高。
雨水口是管道排水系统汇集地表水的设施,由进水篦、井身及支管等组成,分为偏沟式、平痹式和联合式。雨水井是其侧面有孔与排水管道相连,底部有向下延伸的渗水管,可将雨水向地下补充并使多余的雨水经排水管道排走,减缓地面沉降及防止暴雨时路面被淹泡,井中尚有篮筐,可拦截污物防止堵塞排水管道,并便于清理。
检查井是用在建筑小区(居住区、公共建筑区、厂区等)范围内,埋地塑料排水管道外径不大于800mm、埋设深度塑料检查井不大于6m,一般设在排水管道交汇处、转弯处、管径或坡度改变处、跌水处等,为了便于定期检查、清洁和疏通或下井操作的检查用的塑料一体注塑而成或者砖砌成的井状构筑物。
您,分清楚了吗?
成都晚报记者 黄尚斐
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