STRENGTH OF NON-STIFFENED I-BEAM THIN WEBS

RESISTANCE DES AMES MINCES DE POUTRES NON RAIDIES

THIS RESEARCH IS BEING CONDUCTED ON REQUEST OF THE CTICM IN ORDER TO COMPLETE INVESTIGATIONS ALREADY CARRIED OUT AND TO VERIFY FORMULAE GENERALLY ADOPTED FOR THE CALCULATION OF THE STRENGTH OF WEBS SUBJECTED TO SHEAR STRESSES AND TO A CONCENTRATED LOAD APPLIED ON A FOOTING. A PROGRAM WILL BE ESTABLISHED FOR SEVERAL THIN-WEB BEAMS SO THAT THE HEIGHT/THICKNESS RATIO EXCEEDS 170, AS DATA ARE LACKING IN THIS PARTICULAR FIELD. IN THE CASE OF STRENGTH UNDER CONCENTRATED LOAD, ADDITIONAL MEASUREMENTS WILL BE TAKEN FOR OBTAINING INFORMATION IN THE INFLUENCE OF THE PROXIMITY OF TWO LOADS.