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路堑:修订间差异

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[[Image:Road cut.jpg|thumb|路堑]]
[[Image:Road cut.jpg|thumb|路堑]]

在[[土木工程]]中,'''路堑'''是高于现路水平面的地表土石被挖走的工程。一般用于公路、铁路、运河,以截弯取直、降低纵坡。<ref>Alexander Smith (1875) ''A new history of Aberdeenshire''</ref> <ref>Robert G. Lewis et al., eds., ''Railway Age's Comprehensive Railroad Dictionary'' (Omaha, Neb.: Simmons-Boardman Books, 1984), p. 48. This reference does not include a definition for the corresponding term fill.</ref>
在[[土木工程]]中,'''路堑'''([[英语]]:Cut)是高于现路水平面的地表土石被挖走的工程。一般用于公路、铁路、运河,以截弯取直、降低纵坡。<ref>Alexander Smith (1875) ''A new history of Aberdeenshire''</ref> <ref>Robert G. Lewis et al., eds., ''Railway Age's Comprehensive Railroad Dictionary'' (Omaha, Neb.: Simmons-Boardman Books, 1984), p. 48. This reference does not include a definition for the corresponding term fill.</ref>


[[File:Railway Cutting at the summit of Talerddig bank - geograph.org.uk - 195516.jpg|thumb|1860年开通的穿过威尔士[[坎布里安山脉]]花岗岩的{{tsl|en|Newtown and Machynlleth Railway|纽顿-马汉莱斯铁路}}的塔勒西格路堑,深36米,是当时世界上最深的路堑。]]
[[File:Railway Cutting at the summit of Talerddig bank - geograph.org.uk - 195516.jpg|thumb|1860年开通的穿过威尔士[[坎布里安山脉]]花岗岩的{{tsl|en|Newtown and Machynlleth Railway|纽顿-马汉莱斯铁路}}的塔勒西格路堑,深36米,是当时世界上最深的路堑。]]
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{{DEFAULTSORT:Cut (Earthmoving)}}
{{DEFAULTSORT:Cut (Earthmoving)}}

[[Category:交通工程]]
[[Category:交通工程]]

2024年10月23日 (三) 14:18的最新版本

路堑

土木工程中,路堑英语:Cut)是高于现路水平面的地表土石被挖走的工程。一般用于公路、铁路、运河,以截弯取直、降低纵坡。[1] [2]

1860年开通的穿过威尔士坎布里安山脉花岗岩的纽顿-马汉莱斯铁路英语Newtown and Machynlleth Railway的塔勒西格路堑,深36米,是当时世界上最深的路堑。
Open-cut station of the New York City Subway

挖掘路堑可以用人力挖、平地机铲运机英语Wheel tractor-scraper挖掘机钻爆法[3]

路堑可分为山边绕过的与穿山而过的两种。[4]

著名路堑

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参考文献

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  1. ^ Alexander Smith (1875) A new history of Aberdeenshire
  2. ^ Robert G. Lewis et al., eds., Railway Age's Comprehensive Railroad Dictionary (Omaha, Neb.: Simmons-Boardman Books, 1984), p. 48. This reference does not include a definition for the corresponding term fill.
  3. ^ Herbert L. Nichols, Jr., and David A. Day, P.E., Moving the Earth: The Workbook of Excavation, 5th ed. (New York: McGraw-Hill, 2005), pp. 8.16 et seq.
  4. ^ Nichols and Day, Moving the Earth, p. 8.16.