ON THE EFFECTS OF CIRCULAR BOLT PATTERNS ON THE ...

a very early stage of loading with higher gradient, while the bolt force in the far bolt with a small delay
increases with smaller rate. It should be noted that this delay 0.01 in. (0.2 mm) is much smaller than the
delay in the connection with square bolt pattern (0.05 in. see Figure 4-9).
Bolt Force (kip)
20
18
16
(mm)
0 1 2 3 4 5
14
65
12
Numerical -Near Bolt
Experimental-Near Bolt
Numerical- Far Bolt
Experimental-Far Bolt
55
10
45
0 0.05 0.1
Flange Separation (in)
0.15 0.2
Figure 4-12 Bolt Force History In TS-C Specimen
4.5.2 Beam-Column Connection
The numerical results obtained for the finite element analysis are compared against the data collected
during the experimental testing of several full-scale connections in order to validate the numerical results
obtained from the finite element analysis. The details of the finite element models developed in this study
are based on the experimental testing conducted by Abolmaali et al. [64][65] on the following connections:
i) extended end-plate connection, ii) top-and-seat connection, iii) bolted/bolted double web angle, iv)
welded/bolted double web angle connections, and v) blush end-plate connections.
During the numerical model development, the beam and column sizes and other geometric
parameters of full connection models were kept identical to the geometry of the specimens used during
the experimental testing as it is presented in Chapte-3. The comparison of the results and discussions for
each connection are presented in the following sections.
56
95
85
75
(kN)