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Models to predict shear resistances of anchor bolts
This article reports a theoretical study on shear yielding and ultimate shear capacities of anchor bolts. Two theoretical models are provided. The proposed shear yielding capacity is a summation of that provided by bending of the anchor bolt itself and the frictional force on the interface between the base plate and concrete. A free length of the bolt shank is first determined based on test results reported in the literature and then the plastic hinges are assumed to appear at the upper level of the base plate and at some distance in concrete below the free length. The frictional resistance is determined by assuming compression (equal to the tension in the anchor bolt) on the interface between concrete and the base plate. The compression is a vertical component pushing the base plate upward and proportional to the horizontal shear. Comparison with test results shows that the proposed model predicts shear yielding capacity with good accuracy and on the safe side. The model to predict the ultimate load shear capacity includes the horizontal component of the bolt ultimate tension and the frictional resistance provided by compression on the interface, which is equal to the vertical component of the bolt ultimate tension. The proposed model gives an excellent explanation as to why the ultimate shear capacity of the anchor bolts reaches far beyond the cross-sectional ultimate shear capacity.
Models to predict shear resistances of anchor bolts
This article reports a theoretical study on shear yielding and ultimate shear capacities of anchor bolts. Two theoretical models are provided. The proposed shear yielding capacity is a summation of that provided by bending of the anchor bolt itself and the frictional force on the interface between the base plate and concrete. A free length of the bolt shank is first determined based on test results reported in the literature and then the plastic hinges are assumed to appear at the upper level of the base plate and at some distance in concrete below the free length. The frictional resistance is determined by assuming compression (equal to the tension in the anchor bolt) on the interface between concrete and the base plate. The compression is a vertical component pushing the base plate upward and proportional to the horizontal shear. Comparison with test results shows that the proposed model predicts shear yielding capacity with good accuracy and on the safe side. The model to predict the ultimate load shear capacity includes the horizontal component of the bolt ultimate tension and the frictional resistance provided by compression on the interface, which is equal to the vertical component of the bolt ultimate tension. The proposed model gives an excellent explanation as to why the ultimate shear capacity of the anchor bolts reaches far beyond the cross-sectional ultimate shear capacity.
Models to predict shear resistances of anchor bolts
Tong, Genshu (author) / Chen, Ruisheng (author) / Zhang, Lei (author)
Advances in Structural Engineering ; 20 ; 1933-1947
2017-12-01
15 pages
Article (Journal)
Electronic Resource
English
Models to predict shear resistances of anchor bolts
| Online Contents | 2017
Experimental Investigation of Anchor Bolts Under Shear
| NTIS | 1988
An experimental investigation of anchor bolts under shear
| TIBKAT | 1988