“Larger I-values maximize stiffness and allow for larger spans and/or higher loads.” For this bridge, the 18-inch I-beams had an I-value of 6,876 inches/174,650 mm to the fourth power. The 40-ft ...

This reduced beam weight by 44% while increasing its stiffness. Those improvements let the beam’s peak acceleration go from 3g to 6g. That, in turn, reduced the time to cut a sheet of material ...

Composite pads are bonded at key points along the structural beams and machined to provide a precise surface for the assembly of the EOAT tooling nest. Dynamic load testing of the fully assembled ...

Using DuPont Vizilon — the name for the composite technology, ... In terms of its performance, the composites beam showed very high stiffness in a temperature range from -40C to +90C.

Results showed beam-to-column rotations between 12–32 milliradians, end-beam displacements of 42–69 mm, and relative movements between composite partners ranging from 0.35–1.3 mm. Specimens ...

Knowledge of the beam’s stiffness is needed, and this is defined by the formula of the modulus of elasticity multiplied by the beam’s moment of inertia (E x I). A typical deflection limit in beam ...

Bending beam. The transverse load P will produce a shear force V in the positive y-direction on a mathematical cut through the beam at point “a”.This shear force is directly responsible for the shear ...

The beam is catching on. The second application was the $2-million, 57-ft-long High Road Bridge in Lockport Township, Ill. This year, the New Jersey Dept. of Transportation used federal research ...