EVALUATING METHOD AND EQUIPMENT OF PRESTRESSING FORCE TENDON USING AXIAL VIBRATION

PURPOSE: A tension evaluation device of an attractable tendon using vertical vibration and a tension evaluation method using the same are provided to perform repair and evaluation by accurate measurement of a PSC tender. CONSTITUTION: A tension evaluation method of an attractable tendon using vertic...

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Bibliographische Detailangaben
Hauptverfasser:	HWANG, KYEONG MIN, LEE, HONG PYO, JANG, JUNG BUM, SONG, YOUNG CHUL, KIM, BYEONG HWA
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	PURPOSE: A tension evaluation device of an attractable tendon using vertical vibration and a tension evaluation method using the same are provided to perform repair and evaluation by accurate measurement of a PSC tender. CONSTITUTION: A tension evaluation method of an attractable tendon using vertical vibration comprises the following steps. A user applies power on analysis equipment and checks the analysis equipment(S110). The user connects a wire to a load cell and an acceleration measurement apparatus and connects the wire to a terminal(S120). The user hits one side of the PCS tendon through a drive hammer(S130). Longitudinal vibration frequency generated in the PCS tendon by power applied by the drive hammer is measured by the acceleration measurement apparatus(S140). A personal computer evaluates the tension of the PCS tendon based on the longitudinal vibration frequency(S150).