carrier for the construction of multi-purpose rooms, such as gymnasiums, tennis courts, recreational workshops, factories ... structure

摘要

The supporting structure comprising at least an elementary BEAM consists of two wooden members (7,8) joined by a web (9) Sheet Metal TOOTH WAVY EDGES ARE STRONGER IN WHICH A FORCE IN SUCH MEMBERS. According to the invention consists of an element TENSION UNDERLYING (21) extending UNDER THIS WHERE THE LOWER membranes (8) and PARALLEL TO, FALLING BETWEEN TWO INTERMEDIATE JAMB (10.11) MAKING BODY WITH SUCH CARRIER STRUCTURE AND ATTACHED TO THE LIMB BRACES FOR THIS STRUCTURE INCLINED (23,26), the structure is made to present REST A LIGHT UP ARROW, HIS ELEMENT IS LAYING THE UNDERLYING after assembly ARROW TO ENHANCE INITIAL STRUCTURE AND BLISS IS CHARGED ACCORDINGLY TO GENERATE A constriction DISCHARGED AFTER RETURNING TO INITIAL substantially to the arrow.