When the fault displacement is small, the deflection curve
is smooth S-shape.
During each cycle, load against the deflection curve
and load against the steel strain curve were recorded; and at failure, the failure mode was highlighted.
P/[DELTA] in Equation 1 is the slope of the initial linear region of the load deflection curve
It is remarkable that, in cases with closed-form solution, the location of the maximum deflection, bending moment or shear force can be found by differentiating the equation of the deflection curve
A load vs central deflection curve
is determined from the 3PB test.
The pressure deflection curve
is measured using the setup in Figure 4 for a circular deflection area.
Dependent upon the curvature in the load deflection curve
, the modulus may be classified as a "chord" modulus.
is a straight line, which results in disruption of performance of vibration isolation.
The interfacial crack was induced first in section "Interfacial crack and load vs deflection curve
," and the elastic modulus of the coaling was calculated from the load vs deflection curve
obtained in 3PB test.
its own weight), however, the differential equation of the deflection curve
is no longer a differential equation with constant coefficients.
These indices were calculated by dividing the area under load deflection curve
up to the prescribed deflection--with the area under the load--deflection curve
up to the first crack deflection.
Calculating Young's modulus from each measuring position on the cantilever gives generally similar values, showing deformation approximating a free deflection curve