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This paper proposes a method enabling to compute the
prestressing strand resistance using the strain measured on only one core wire.
Numerical analysis is conducted considering the pitch length of the strand and
the diameters of the core wire and helical wires as parameters. The results
verify that the relation between the stresses of the core wire and helical
wires can be expressed in terms of the helical angle. Based on this
observation, a formula computing directly the prestress force in the strand
from the strain measured in the core wire is suggested. Owing to the recently
developed measurement method for the core wire strain, the proposed formula can
be exploited to determine the prestress of the strand.
Angiomyofibroblastoma (AMF) is a
rare kind of soft tissue tumor that occurs predominantly in the vulva. Due to
their location, clinicians often confuse AMF with Bartholin’s cyst or perineal
hernia. Radiological evaluation is performed to rule out perineal hernia and
invasive neoplasm. Like other benign mesenchymal tumors of vulva, AMF shows
indolent behavior and rarely recurs after complete surgical excision.