Experimental prediction of wire rope damage by energy method. (15th December 2019)

• Record Type: Journal Article
• Authors: Wahid, Achraf; Mouhib, Nadia; Ouardi, Abderrazak; Sabah, Fatima; Chakir, Hamid; ELghorba, Mohamed
• Is Part Of: Engineering structures. Volume 201(2019)
• Publication Date: 2019-12-15
• Subjects: Non-rotating rope -- Damage -- Life fraction -- Static tests -- Ultimate residual fracture energy; Structural engineering -- Periodicals; Structural analysis (Engineering) -- Periodicals; Construction, Technique de la -- Périodiques; Génie parasismique -- Périodiques; Pression du vent -- Périodiques; Earthquake engineering; Structural engineering; Wind-pressure; Periodicals; 624.105
• DOI: 10.1016/j.engstruct.2019.109794
• Languages: English
• ISSNs: 0141-0296

Abstract

Highlights: Monitoring the loss of the wire rope's fracture energy. Identifying the stages of damage of the wire rope in service. Tracking the damage of the steel wire rope according to its different life fraction. Abstract: This study aims to characterize the mechanical behavior of a wire rope in service and to predict the evolution of its damage, tensile tests carried out on the virgin and other artificially damaged specimens, by breaking the strands constituting the outer layer of the wire rope at different percentages. Then, a new approach of failure analysis and prediction of the damage was used. Serving of three damage models, one model is obtained through a modified version of unified theory and the two others are static damage models based on residual energy, this one is calculated using trapezoidal numerical integration, wich consists of calculating the area under the tensile curve, corresponds to each test. The results obtained allow us to characterize the mechanical behavior of the wire rope and to predict the evolution of the damage. Indeed, three phases of damage are determined to help predictive maintenance define the safety and maintenance intervals of the cable.