Trench-type vehicular tunnels; advantages and disadvantages of tunnels and bridges compared; tunnels are said to be preferable to bridges in rivers used by sea-going commercial and war vessels; harbors should not have bridges crossing present or future navigable channels.
Tunnels immerges
Technisch-Wetenschappelijk Tijdschrift
Technisch -- Wetenschappelijk Tijdschrift ; 31 , n 1
1962
3 pages
Article (Journal)
English
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