Average shear stress yield criterion and its application to plastic collapse analysis of pipelines

Ti̇cari̇ Twip900 Ve Dp600 Yüksek Mukavemetli̇ Çeli̇kleri̇n Otomoti̇v Endüstri̇si̇ndeki̇ Performanslarinin Karşilaştirilmasi

“…Kalınlık değişimi çok hassas bir şekilde meydana gelmekte, ancak teorik hesaplamada ani bir düşüş olmuş gibi inceleme yapılmaktadır (Şekil 8). M-K model için von Mises akma kriteri [32] ve Eşitlik 1-3'de verilen pekleşme modelleri kullanılmıştır.…”

Reliability assessments of corroded pipelines based on internal pressure – A review

“…Underground pipelines are subject to tension and compression stresses from the surrounding soil and their internal pressure, which make the hoop stress to be the maximum principal stress and the radial stress to be negligible. For a yield failure and a posterior plastic collapse evaluation, different criteria like the Tresca (Maximum Shear Stress Theory), Von Mises (Maximum Distortion Energy), or ASSY (Average Shear Stress Yield) are commonly implemented for corroded pipelines [24,25].…”

“…Some available approaches estimate the burst pressure for free-defect pipes or with grooves with an infinite longitude. These approaches consider yield failure criteria following the Von Mises, Tresca or ASSY (Average Shear Stress Yield) criteria [24,35]. The burst pressure for these three criteria can be expressed as follows:…”

“…From these criteria, Zhu & Leis [24] developed a comparison with 103 full-size burst tests of Grade B to X65 obtaining that the Tresca and Von Mises criteria corresponded with the lower and upper bounds, whereas the ASSY approach described the plastic collapse closely. Maes et al [35] considered the combined effect of burst pressure with tension or bending.…”

Identification of failure type in corroded pipelines: A Bayesian probabilistic approach

“…In the recent decades, some effort has devoted to the understanding and modeling of the mechanisms leading to pipeline failure [2,3]. Several studies have been oriented to quantify the operation limits of pipelines under realistic conditions [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21]. Research efforts have been oriented to numerical and mathematical modeling by means of finite-element techniques, as well as to the design of experimental burst tests for understanding the pipeline performance under 0304-3894/$ -see front matter © 2010 Elsevier B.V. All rights reserved.…”