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凍線

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凍線(frost line、frost depth 或 freezing depth)是指冬季時凍結之表層土壤與未凍結之下層土壤間的分界線。

不同地點的凍線例子

參考文獻

  1. ^ Columbus Building Codes. library.municode.com. [2018-03-13]. (原始內容存檔於2018-03-14) (英語). 
  2. ^ 2.0 2.1 Frost Depth: Minnesota State Building Code Rules 1303.1600 (PDF) 2007. Minnesota Department of Labor and Industry. 2007-03-09 [2010-01-04]. (原始內容存檔 (PDF)於2011-07-18). 
  3. ^ 3.0 3.1 The 2007 Minnesota State Building Code (PDF). Minnesota Department of Labor and Industry. 2007-10-09 [2010-01-04]. (原始內容 (PDF)存檔於2010-05-27). 
  4. ^ 4.0 4.1 Foundation, Frost Penetration Depths for Southern Ontario (OPSD 3090.101 rev.1) (PDF). Ontario Ministry of Transportation. Nov 2010 [16 January 2014]. (原始內容存檔 (PDF)於2019-01-15). 
  5. ^ 5.0 5.1 Frost Heave (Civil Engineering vol.1 No.11). Walters Forensic Engineering. [16 January 2014]. (原始內容存檔於2019-01-15).