Development of a resonant fatigue testing facility for large-scale beams in bending

Schneider, Scott; Herrmann, Ralf; Marx, Steffen

doi:10.1016/j.ijfatigue.2018.03.036

Cited by 24 publications

(11 citation statements)

References 14 publications

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“…The resonance principle can be exploited for testing any kind of beam-like structure, both small specimens [21] and large structures [22,23,24]. Drill pipes and in particular the drill pipe connection region, can be tested according to a quasi-static scheme, such as the ones performed by Miscow et al [25] and Teodoriu [26], or alternatively with a resonance test bench.…”

Section: Introductionmentioning

confidence: 99%

Fatigue resonant tests on S140 and S150 grade corroded drill pipe connections and pipe bodies

Santus

Burchianti²,

Inoue

et al. 2020

International Journal of Pressure Vessels and Piping

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Section: Introductionmentioning

confidence: 99%

Fatigue resonant tests on S140 and S150 grade corroded drill pipe connections and pipe bodies

Santus

Burchianti²,

Inoue

et al. 2020

International Journal of Pressure Vessels and Piping

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“…Hua et al developed a special test device to test and evaluate the fatigue of artificial hip joint effectively [7]; Tan et al designed energy-saving transmission fatigue tester system using common DC bus energy recovery technology that can adapt to high-power, high-speed test environment, and energy-saving effect up to 90% [8]; Bai et al proposed a new method of resonant fatigue test using 2D high-frequency rotary valve control hydraulic cylinder, which can improve the frequency of electrohydraulic fatigue test effectively [9]; Li et al introduced a new type of testing machine that can perform rolling fatigue test on the bearing ball under large loads and high speed, and the test system monitors various signals at the same time, which can analyze and determine the fatigue status [10]; and Schneider et al developed a large-scale beam resonant contact fatigue testing machine. e resonance test system is adopted, so it has higher load frequency and reduces the test time and cost greatly [11].…”

Section: Introductionmentioning

confidence: 99%

Research on Key Control Technology of Intelligent Rolling Contact Fatigue Test Facility

Liang

Chen

et al. 2020

Journal of Control Science and Engineering

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An intelligent rolling contact fatigue test equipment is developed, and the control methods are presented. For obtaining the slip accurately, the control method based on master-slave synchronization is proposed. For controlling the loads in high precision, the control method took into consideration the influence by two factors, displacement and the load. e nonlinear interference and excess torque in load control are effectively suppressed. Based on the SIMOTION D425 which is the Siemens integrated motion control system, the control system architecture of the intelligent rolling contact fatigue test equipment is constructed. e solutions of slip ratio and the experimental load controlled by these methods are satisfactory with the requirement of design precision. In the validation experiment, the load control accuracy is ±3%, the average error of load control is 1.77%, and the average error of slip control is 0.26%. e experiment results show the proposed control methods are feasible and effective.

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“…The prestressing is kept as low as possible for the reduction of cost and concrete damage due to fatigue, which depends not only on the stress range but also on mean stress (refer to References ). As the prestressing is limited, the load resistance of the joint is limited as well.…”

Section: Introductionmentioning

confidence: 99%

Behavior of externally prestressed segmental towers' dry joint under torsion effects

Kang

Hartwig

Marx

2019

Structural Concrete

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With the rising demand of clean wind energy, concrete and hybrid segmental towers have been frequently constructed in recent years. In the area of very high towers, they have replaced the traditional steel towers due to better transportability and economy. However, the joints between adjacent segments have led to questions, which are not satisfactorily resolved by current models or calculation approaches. The transmission of shear forces and torsion moments take place exclusively inside the so-called horizontal dry joint. Current calculations are carried out according to the torsion theories of Bredt for ring cross sections and Saint-Venant for open thin-walled cross sections. However, these approaches, which are used to describe the bearing and deformation behavior of such joints, are insufficient. Depending on the loading situation, this leads to both unsafe results and unused strength. In this paper, an actual wind tower construction with a ring cross section is thoroughly analyzed based on current theory. Additionally, numerical simulations are carried out. The torsion resistance of segmental tower structures is investigated in detail. The inaccuracy of current theories is demonstrated.

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Development of a resonant fatigue testing facility for large-scale beams in bending

Cited by 24 publications

References 14 publications

Fatigue resonant tests on S140 and S150 grade corroded drill pipe connections and pipe bodies

Fatigue resonant tests on S140 and S150 grade corroded drill pipe connections and pipe bodies

Research on Key Control Technology of Intelligent Rolling Contact Fatigue Test Facility

Behavior of externally prestressed segmental towers' dry joint under torsion effects

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