V2EX gravity sewer

Gravity Sewer

定义 / Definition

重力污水管(重力下水道):一种依靠地势落差与重力作用,让污水在管道中自然流动的排水系统;通常不需要泵站(除非地形不足以维持坡度)。在市政排水中常与 force main(压力管)相对。

例句 / Examples

The new neighborhood will connect to a gravity sewer.
新建社区将接入重力污水管系统。

Because the site is flat, the engineer added a lift station where the gravity sewer would otherwise stall.
由于场地地势平坦,工程师在重力污水管本会停滞的地方增设了一座提升泵站。

发音 / Pronunciation (IPA)

/rvti su.r/

词源 / Etymology

gravity 源自拉丁语 gravitas(“重量、沉重”),引申为“重力”;sewer 在英语中指“下水道/排水管道”,历史上与“排水、导流”相关的用法发展而来。组合成 gravity sewer,字面即“依靠重力实现排流的下水道(管)”,是市政工程与给排水领域的常用术语。

相关词 / Related Words

文学与著作中的用例 / Literary & Notable Works

  • Metcalf & Eddy: Wastewater Engineering: Collection and Pumping of Wastewater(给排水/污水收集与提升经典教材,常讨论重力污水管的布置与设计)
  • ASCE Manual of Practice No. 37: Design and Construction of Urban Stormwater Management Systems(美国土木工程师学会手册,涉及城市排水管网中重力流管道的原则)
  • Ten States Standards: Recommended Standards for Wastewater Facilities(北美地区常用的污水设施推荐标准文件,含重力污水管相关术语与要求)
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