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Deyi Xu, Yang Yang and Zongping Chen
Due to the advantage of saving indoor space, a special-shaped column frame attracted more attention of the engineers and researchers. This paper presented a quasi-static cyclic loading experiment of six specimens of reinforced concrete (RC) L-shaped colu...
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Young Shin Kim, Yu Jun Song and Euy Sik Jeon
Torsion springs, which transfer power through the twisting of their coil, provide advantages such as module simplification and efficient use of space. The design of a torsion spring has been formulated, but it is difficult to determine the local behavior...
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Cesare Patuelli, Enrico Cestino and Giacomo Frulla
Vibration analysis of wing-box structures is a crucial aspect of the aeronautic design to avoid aeroelastic effects during normal flight operations. The deformation of a wing structure can induce nonlinear couplings, causing a different dynamic behavior ...
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Meng Wang, Hongen Li, Hu Chen, Xingbo Fang, Enze Zhu, Pujiang Huang, Xiaohui Wei and Hong Nie
The torsion spring of a carrier-based aircraft landing gear is a key component, which is normally manufactured out of AerMet100 ultra-high-strength steel. The takeoff and landing performance is greatly influenced by its bearing capacity and structural du...
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Nabeel H. Al-Salim, Muna H. Jaber, Rafea F. Hassan, Nisreen S. Mohammed and Husam H. Hussein
Fiber-reinforced concrete is widely acknowledged for its ability to resist cracking effectively and limit its propagation. By preventing cracks from spreading, the addition of fiber composites to concrete can enhance its extensibility and tensile strengt...
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Muna H. Jaber, Bilal I. Abd Al-Zahra, Ayoob A. Ibrahim, Rafea F. Hassan, Nabeel H. Al-Salim and Husam H. Hussein
Over the past few decades, numerous studies have explored the use of steel fiber (SF) as an alternative to transverse reinforcement rebars in reinforced concrete beams, either partially or completely replacing them. However, there are limited studies tha...
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Lei Mei, Wenhui Yan, Junwei Zhou and Weichao Shi
Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper, the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow underwat...
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Arturo Silva-Campillo and Francisco Pérez-Arribas
The aim of this paper is to estimate the influence of the dimensions of the torsion box (height and width), of a 2400 TEU feeder-class container ship, on local stress distribution and assessment of local fatigue strength by using a numerical approach bas...
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Yuan Zhou, Zian Ding, Dong Ding, Yue Xu, Xinchen Yang, Zongxu Li, Yuwei Cai and Shufa Sun
To decrease track derailment of tracked fire trucks in forested areas, a fish-bellied swing arm torsion bar suspension system is proposed in this research. Derived from a tracked forest fire engine, this study converts the shaft tube swing arm of the ori...
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Ryo Hanada, Tetsuo Okada, Yasumi Kawamura and Tetsuji Miyashita
In this study, as a preliminary attempt to reveal the whipping response of large container ships in actual seaways, the stress monitoring data of an 8600 TEU large container ship were analyzed. The measurement lasted approximately five years, and using a...
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Luís Bernardo, Sérgio Lopes and Mafalda Teixeira
This article describes an experimental program developed to study the influence of longitudinal prestress on the behaviour of high-strength concrete hollow beams under pure torsion. The pre-cracking, the post-cracking and the ultimate behaviour are analy...
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Dagang Wang, Xiangru Wang, Guozheng Xie and Huilong Zhu
The wear rate and dissipation energy during tension?torsion cyclic loading of steel wires with fretting contact in different environmental media were explored in this study. Hysteresis loops of tangential force versus displacement amplitude (Ft-D) and to...
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Sergii Nazarenko,Roman Kovalenko,Vitalii Asotskyi,Gennadiy Chernobay,Andrii Kalynovskyi,Ivan Tsebriuk,Oleksandr Shapovalov,Igor Shasha,Volodymyr Demianyshyn,Angela Demchenko
Pág. 45 - 55
This paper reports the results of experimental studies into determining mechanical properties (elastic and dissipative) at the shear of the material of a pressure fire hose of the "T" type with the internal diameter of 77 mm using torsion tests. Dur...
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Luís Bernardo
This study aims to propose an analytical model which can be used by structural engineers to check and design reinforced concrete flanged beams.
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The seismic capacity of the main Uto City Hall building, which was severely damaged by the 2016 Kumamoto Earthquake, was evaluated by the proposed pushover-based procedure. In this procedure, the seismic capacity index of the building is defined as the m...
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Joko Purnomo,Wong Foek Tjong,Wijaya W.C.,Putra J.S.
Pág. 70 - 77
Torsional problems commonly arise in frame structural members subjected to unsymmetrical loading. Saint-Venant proposed a semi inverse method to develop the exact theory of torsional bars of general cross sections. However, the solution to the problem u...
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Yan Sun, Yuntao Wang, Andrea Da Ronch and Dehong Meng
The influence of model deformation needs to be corrected before the aerodynamic force data measured in the wind tunnel is applied to aircraft design. In order to obtain the aerodynamic forces on rigid model shape, this paper presents a fast correction me...
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Yan Sun, Yuntao Wang, Andrea Da Ronch and Dehong Meng
The influence of model deformation needs to be corrected before the aerodynamic force data measured in the wind tunnel is applied to aircraft design. In order to obtain the aerodynamic forces on rigid model shape, this paper presents a fast correction me...
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E. I. Danilenko
Pág. 79 - 91
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V. Moreno-Padilla,L. Albajar-Molera
Pág. m009
Los métodos tradicionales de emparrillado plano utilizados para el cálculo de tableros conformados con placa alveolar pretensada no aportan suficiente precisión para determinar la influencia de fenómenos tales como la torsión sobre las placas o el rasant...
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