Folding form for the board of a bridge and procedure for advancing the formwork (Machine-translation by Google Translate, not legally binding)

摘要

The formwork comprises an interior formwork (1) and an exterior formwork (2) where the interior formwork comprises a central section (3) and two side sections (4), such that the side sections (4) define the two wing sections of the board and comprise at least one side panel (5) fixed to at least one corner panel (6) and joined by at least one ball joint (9) to at least one gable panel (7) and the center section (3) comprises at least one a top panel (8) removable. The gable panels (7) have a rotational movement around the ball joints (9), and each side section (4) of the internal formwork (1) rests on at least two beams (10) fixed to at least one bracket (11). ) which in turn rests on at least one advance structure (12) by means of at least one first hydraulic cylinder (13). It also refers to a process for advancing the lower formwork (1). (Machine-translation by Google Translate, not legally binding)