FIELD: transport engineering: construction of multiple-span crossing over obstacle using bridge layer. SUBSTANCE: proposed method of unloading double-track sectional mechanized bridge from vehicle comes to the following: first of all winch cable is reeved off in guide sheaves and additional sheave and end of winch cable is connected with towing- and- fastening gear of bridge, then winch is switched on and bridge is moved by cable from vehicle with subsequent moving the vehicle forward until bridge is inloaded completely and placed on the ground. Novelty in proposed method of unloading is original reeving of pull winch cable and use of flexible bridge displacement limiters with provision of quick release of end sections of bridge. EFFECT: smooth lowering of bridge to ground. 2 cl, 11 dwg
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Authors
Dates
1998-05-27—Published
1996-01-11—Filed