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| Segmental launching gantry for Ecuador  JP 75 segmental launching gantry designed and fabricated by HLCM was applied to erecting the Ecuador Bridge by balanced cantilever method. The main parameters of the launching gantry: 1. Span: 50m/75m (min/max); 2. Segments girder: max 130t, 3.55m¡Á20.8m¡Á4.25m (L¡ÁW¡ÁH); 3. Longitudinal slope: +2.35%, -3.4%; 4. Performance dimension: 120m¡Á11.8m¡Á14m. The main structure include the truss beam, travelling& supporting leg, 150t hoist trolley (2 units), revolving spreader, launching forward mechanism and transverse moving mechanism.Character: - Spreader can be revolving in 360 degree - Automatic launching forward - Whole gantry can achieve traverse movement - Hydraulic jack up system - Lifting device adopt HLCM specially designed winch trolley write your comments about the article :: © 2011 Construction News :: home page |