Information on method devised to cope with problems of subsidence; new "zig-zag" (or ZZ) track consists of long welded rails resting on concrete ties spaced 69 cm apart; rows of blocks are staggered, and joined diagonally by steel tubes; rails are attached to ties by spring clips fitted to hooks, position being fixed by angle irons.
Long-welded railway track in Netherlands
Engineer
Engineer ; 211 , n 5488
1961
2 pages
Aufsatz (Zeitschrift)
Englisch
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