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A platform for research: civil engineering, architecture and urbanism
Pushout Tests with High Strength Bolt Shear Connectors
The report describes and presents the results of 12 pushout tests in which high strength pretensioned bolts were used as shear connectors. Static tests only were performed. Bolts with diameters of 1/2, 5/8, and 3/4 inches were tensioned by the turn-of-nut method and embedded in normal-weight concrete slabs. The load-slip characteristics of bolts were compared with those of studs. Companion specimens were tested to determine the amount of tension induced in a bolt by the turn-of-nut method and to determine the importance of edge clearance in haunched members. Major conclusions were: (1) High strength pretensioned bolts exhibit practically zero slip in the working range of the load; (2) Bolts attain a critical load or useful capacity that is about twice that of studs; (3) There is apparently no loss in prestress with time in high quality concrete.
Pushout Tests with High Strength Bolt Shear Connectors
The report describes and presents the results of 12 pushout tests in which high strength pretensioned bolts were used as shear connectors. Static tests only were performed. Bolts with diameters of 1/2, 5/8, and 3/4 inches were tensioned by the turn-of-nut method and embedded in normal-weight concrete slabs. The load-slip characteristics of bolts were compared with those of studs. Companion specimens were tested to determine the amount of tension induced in a bolt by the turn-of-nut method and to determine the importance of edge clearance in haunched members. Major conclusions were: (1) High strength pretensioned bolts exhibit practically zero slip in the working range of the load; (2) Bolts attain a critical load or useful capacity that is about twice that of studs; (3) There is apparently no loss in prestress with time in high quality concrete.
Pushout Tests with High Strength Bolt Shear Connectors
L. N. Dallam (author)
1966
75 pages
Report
No indication
English
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