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Shuyin Ma, Jianjun Cao, Qinghua Zhang and Sheng Xue
In order to study the influence law of gas desorption accumulation and emission characteristics under hydraulic fracturing, this experiment uses coal-rock adsorption?desorption test equipment to carry out isothermal desorption tests of water-bearing coal...
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Qingfu Li, Hao Guo and Biao Guo
When a steel box girder is constructed using the jacking method, the contact area between the jack and the bottom of the girder is subjected to complex forces, and it is very critical to ensure the local stability of the girder. When the phenomenon of un...
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Pau Bas-Calopa, Jordi-Roger Riba and Juan Antonio Ortega
Strict regulations issued by international administrative bodies limit the CO2 equivalent emissions for new aircraft, while increasing efficiency requirements. To reach this goal, next generations of aircraft will use more electrical power than their pre...
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Yufeng Xing, Lingyu Meng, Zhiwei Huang and Yahe Gao
This paper presents a novel superposition method for effectively predicting the microscopic stresses of heterogeneous periodic beam-like structures. The efficiency is attributed to using the microscopic stresses of the unit cell problem under six general...
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Yudong Qiu, Zhan Wang, Jianrong Pan, Fangxin Hu, Shubham Sharma and Ahmed Farouk Deifalla
Steel frame with steel plate shear walls (SPSWs) is used to resist lateral loads caused by wind and earthquakes in high-rise buildings. In this load-resisting system, the cost and performance are more efficient than in the moment frame system. Behaviors ...
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Oleksij Fomin,Alyona Lovska,Viktoria Kudelya,Iryna Smyrnova
Pág. 33 - 41
The bearing structure of a covered rail wagon has been improved to enable firing from it at motion. The covered wagon of model 11?217 was chosen as a prototype. To enable firing in the vertical plane, it has been proposed to use a sliding roof, which con...
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Andrej Atrens, Qian Liu, Clotario Tapia-Bastidas, Evan Gray, Bartolomeus Irwanto, Jeff Venezuela and Qinglong Liu
The influence of hydrogen on the mechanical properties of four, medium-strength, commercial, quenched-and-temped steels has been studied using the linearly increasing stress test (LIST) combined with cathodic hydrogen charging. The relationship was estab...
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Oleksij Fomin,Alyona Lovska,Oleksandr Kovtun,Volodymyr Nerubatskyi
Pág. 33 - 40
The longitudinal-dynamic load on a railroad train has been studied at its steady motion along the track of a homogeneous profile. A value of the longitudinal loading that a train is exposed to has been established. The calculations were carried out for a...
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Oleksij Fomin,Alyona Lovska,Inna Skliarenko,Yurii Klochkov
Pág. 65 - 74
The strength parameters have been determined for the bearing structure of a hopper car used to transport pellets and hot agglomerate. The calculation was based on a finite element method, implemented in the software COSMOSWorks. Strength reserves of load...
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Yevgen Burdun,Vladimir Kochanov,Tetyana Yuresko
Pág. 40 - 46
Conical deep-sea portholes (CDSP) from acrylic are widely used in underwater equipment. Due to the specific properties of acrylic, operating conditions and the stress-strain state of CDSP, it is difficult to evaluate service life and choose optimal geome...
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