V2EX frost heave

Frost Heave

Definition / 定义

frost heave冻胀;冻胀隆起。指土壤中的水分在低温下结冰形成“冰透镜”等结构,体积增大并把地表或路面、地基向上顶起的现象,常见于寒冷地区的道路、地坪、管线与建筑基础。

Pronunciation / 发音

/frst hiv/

Examples / 例句

The sidewalk cracked because of frost heave.
人行道因为冻胀而开裂了。

Engineers design the foundation below the frost line to reduce damage from frost heave in winter.
工程师会把基础设计到冻土线以下,以减少冬季冻胀造成的破坏。

Etymology / 词源

frost 意为“霜、冰冻”,源自古英语 forstheave 意为“抬起、隆起”,源自古英语 hebban(“举起”)。两者合在一起直观表达“因冰冻而把地面顶起来”的地质/工程现象。该术语多用于寒区工程与岩土工程语境(也存在更广义的 heave,如“隆起/拱起”)。

Related Words / 相关词汇

Literary Works / 文学作品

  • Principles of Geotechnical Engineering(Braja M. Das)岩土工程教材中常以 frost heave 讨论冻胀机理与基础防护。
  • Cold Regions Engineering(U.S. Army Corps of Engineers 相关工程手册/汇编)寒区道路与地基工程中频繁出现 frost heave
  • Geotechnical Engineering: Principles and Practices(Donald P. Coduto 等)在地基、路基与土体含水冻结章节中常用 frost heave
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