Bending Stress Determination in a Pipe Test Bench Using DSPI Combined with Instrumented Indentation

Fontana, Filipe; Viotti, Matı́as R.; Albertazzi, Armando

doi:10.1007/s11340-015-0121-2

Cited by 4 publications

(3 citation statements)

References 12 publications

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“…A large scale bending test bench was developed to evaluate the proposed methodology Fontana et al, (2016). Two seamless pipes with a length of 12 m were used as the main structure.…”

Section: Methodsmentioning

confidence: 99%

“…The stress field depends on several conditions and this work will focus on bending stresses due to ground-pipe interaction. A first work was recently presented, Fontana (2015) and Fontana et al (2016) which develops and evaluates a bending stress measurement applied to pipes using instrumented indentation in a minimally invasive way. This paper extends this technique adding the Airy stress analysis, Albertazzi et al (2008), Cavaco (2011) and Cavaco and Brito (2015), to fit the radial displacement data.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Pipeline Stress Analysis Through Stress Function Fittings

Cavaco

Viotti

Albertazzi

2018

Lat. Am. j. solids struct.

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This work presents a hybrid experimental technique for stress analysis in pipes due to soil-pipe interaction. It was used a variation of Digital Speckle Pattern Interferometry (DSPI) combined with a small indentation setup for acquiring radial displacement points. Data collected are fitted under the Airy stress functions method for the determination of displacements and strain components. The radial displacement data is fitted in to extract Airy stress function coefficients in a short combination selected specifically for the analysis of stress fields in pipes. This technique is of great utility as an auxiliary approach to the actual field data compilation.

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“…A large scale bending test bench was developed to evaluate the proposed methodology Fontana et al, (2016). Two seamless pipes with a length of 12 m were used as the main structure.…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Pipeline Stress Analysis Through Stress Function Fittings

Cavaco

Viotti

Albertazzi

2018

Lat. Am. j. solids struct.

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“…They analyzed the stress of the overall stress and the internal pressure bending moment respectively. In abroad countries, the study of welded incline-bent pipe is relatively small, but there are still a lot of literature for reference, and other scholars made A summary and experimental investigation on their stress analysis [9][10][11]. Based on the research results of various scholars at domestic and abroad, this paper applies the three-dimensional finite element analysis software ANSYS to analyze the stress analysis of the welded incline-bent pipe [12].…”

Section: Introductionmentioning

confidence: 99%

Finite Element Stress Analysis of the Welded Incline-Bent Pipe

Zhenhan¹,

Chen²

2018

Topics in Chemical &Amp; Material Engineering

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In this paper, stress analysis of the welded incline-bent pipe under non-operating condition and operating condition has been analyzed by the means of ANSYS finite element analysis. The results show that the maximum stress of the welded incline-bent pipe is 0.29Mpa at 0.88m of the lower end under the combined action of bending moment. The maximum stress of is 4250MPa at 0.24m around the corner under the joint action of bending moment, internal media pressure and temperature field. Compared to two kinds of conditions found welded incline-bent pipe both at the corner weld of larger stress concentration, and the maximum stress in the operating condition is 15,000 times of the maximum stress under the non-operating condition. Thus the welded incline-bent pipe should try to reduce the additional bending moment and avoid to produce larger stress concentration. In this way, the safety of the welded incline-bent pipe is improved under the condition of installation. The results of this investigation provide some reference for the design of engineering piping.

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