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Haili Zhu, Xiasong Hu, Zhiwei Li, Lu Song, Ke Li, Xilai Li and Guorong Li
The outer banks of meadow-type meandering river bends in the source zone of the Yellow River are especially vulnerable to bank failure. This study aims to understand how vegetation affects bank stability and the mechanism of bank failure, especially via ...
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Vladimir José Ferrari, Ana Paula Arquez, João Bento de Hanai
Pág. 437 - 444
It is researched, in this study, the strengthening technique known as Near Surface Mounted (NSM), which consists of the insertion of laminates of Carbon Fiber Reinforced Polymer (CFRP) into notches in the covering concrete structures. In the strengthenin...
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Kangwu Zhang, Dongcheng Wang, Yanghuan Xu and Hongmin Liu
To determine the exact distribution of tensile stress in a cold rolled strip, tensile stress evolution caused by lateral uneven velocity distribution outside the deformation zone of the strip is examined. The finite difference method is employed to solve...
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Václav Veselý,Petr Frantík
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Jacek Góra and Malgorzata Szafraniec
Depending on the dimensions of concrete elements, aggregates of different grain sizes are used for the building structures. Taking this fact into account, the authors of the paper have undertaken in their work an issue concerning the analysis of the infl...
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Shilong Peng, Yuhao Xu, Guangyong Cao and Lei Pei
The study of the changes in stress and deformation of frozen walls during excavation has always been a hot topic in underground freezing engineering, and the size of the plastic zone is an important basis for evaluating the stability of frozen walls. In ...
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HyeonJeong You, Minjung Kang, Sung Yi, Soongkeun Hyun and Cheolhee Kim
High-strength steels are being increasingly employed in the automotive industry, requiring efficient welding processes. This study analyzed the materials and mechanical properties of high-strength automotive steels with strengths ranging from 590 MPa to ...
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Pengran Shang, Hao Wang, Di Zhang, Wenkui Zheng, Fulai Qu and Shunbo Zhao
A prestressed concrete cylinder pipe (PCCP) is created with a complex composition of concrete core, welded steel cylinder, prestressed steel wire, protective mortar and anti-corrosion coating. Due to the economy and complexity of structural prototype tes...
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Seunghun Choi, Jongho Won, Jung-Jun Lee, Hee-Keun Lee, Seong-Min Kim, Changhyun Cho and Dongil Kwon
Invar alloy sheet was welded by resistance seam welding (RSW) with a constant electrode force and three different welding currents. Tensile properties were evaluated using instrumented indentation testing (IIT) with a spherical indenter and microstructur...
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Alexander Hauser, Michael Neubert, Alexander Feldner, Alexander Horn, Fabian Grimm and Jürgen Karl
The methanation process is discussed as one way to chemically store renewable energy in a future energy system. An important criterion for its application is the availability of compact, low-cost reactor concepts with high conversion rates for decentrali...
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Teemu Lahtinen, Pedro Vilaça, Pasi Peura and Saara Mehtonen
The modern high strength steel plates have an excellent combination of strength and toughness based on micro-alloying and complex microstructure. Retaining this combination of properties in the weld zone is a major challenge for applications in high-dema...
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Maohua Zhang, Zenong Tian and Jiyin Cui
In order to study the influence of nanomaterials on the carbonation resistance of marine concrete under bending loads, an appropriate amount of nano-SiO2 was added to plain concrete, and a self-developed carbonation box and bending loading device were us...
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V. S. Shokaev
Pág. 207 - 210
The improved variant of Pisarenko-Lebedev criterion for estimation of a stress limit state for materials of building structures is presented. It has been obtained with taking into account the maximal residual tensile stresses acting in a localized zone.
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Yongbo Zhang, Li Yan
Pág. 77 - 81
The developmental state of residual fissure in goaf is an important factor in the design of goaf filling and grouting. Under the conditions of multiple seams mining, this paper discusses the distribution of residual fissure in overlying strata by means o...
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Hongzhang Pan, Yongmei Zhu and Mingjiang Fang
Maraging steel is the material of deep sea pressure equipment. The characteristics of corrosion fatigue crack initiation in 18Ni (250) were investigated by performing a tensile fatigue test under different loading conditions. The mechanism of corrosion f...
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Tao Zhang, Qingzhen Lu, Jun Yan, Shichao Wang, Qianjin Yue, Shanghua Wu, Hailong Lu and Jinlong Chen
Flexible pipes are extensively used to connect seabed and floating production systems for the development of deep-water oil and gas. In the top connection area, end fitting (EF) is the connector between the flexible pipe and floating platform, as a criti...
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Ghasem Azimiroeen, Seyed Farshid Kashani-Bozorg, Martin Nosko and Saeid Lotfian
Friction stir processing (FSP) offers a unique opportunity to tailor the microstructure and improve the mechanical properties due to the combination of extensive strains, high temperatures, and high-strain rates inherent to the process. Reactive friction...
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Zhi Li, Haoyu Mao, Biao Li, Xiang Zhou, Guo Liao and Jianjun Chen
Numerous large hydropower projects have been built, are being built, or are planned to be developed in southwest China as a result of the increasing demand for clean energy in China?s social and economic development. Based on engineering geological data,...
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Liyan Wang, Liang Lei, Kang Wan, Yuan Fu and Hewen Hu
Active films based on carboxymethyl chitosan incorporated corn peptide were developed, and the effect of the concentration of corn peptide on films was evaluated. Physicochemical properties of the films, including thickness, opacity, moisture content, co...
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Lei Zhang, Yu Wang, Wei Fan, Yuan Gao, Yiwen Sun and Yu Bai
The initiation and propagation of cracks are crucial to the reliability and stability of thermal barrier coatings (TBCs). It is important and necessary to develop an effective method for the prediction of the crack propagation behavior of TBCs. In this s...
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