Behavior of axially loaded drilled shaft foundations with symmetric voids outside and inside the caging حسب Abishdid, Caesar

"…The findings indicate that the voids Type B decrease the capacity and stiffness of drilled shafts more than other types due to the resulting inadequate confinement of the concrete and reinforcement.…"
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Embedding and global stability in periodic 2-dimensional maps of mixed monotonicity حسب Al-Sharawi, Ziyad

"…In this paper, we consider nonautonomous second order difference equations of the form xn+1 = F(n, xn, xn−1), where F is p-periodic in its first component, non-decreasing in its second component and non-increasing in its third component. …"
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