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Weijun Lin, Mengzhen Li, Pu Li, Qianning Li and Wei Chen
In this paper, the negative Poisson?s ratio and rigidity of a protective structure are improved to allow the structure to exert a negative Poisson?s ratio effect in multiple directions and to enhance the structural load-carrying capacity. Therefore, a 3D...
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Daming Zhang, Hui Zhao and Gang Li
Because of the problem that the size of a coal pillar is difficult to determine and it is easy to waste coal resources, taking the Sangou Xindu coal industry as the engineering background, this paper examined the roof cutting and pressure relief technolo...
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Irina Cherunova, Nikolai Kornev, Ekaterina Lukyanova and Valery Varavka
The modern technology of heat-protective clothing is increasingly aimed at maintaining the active function of materials. Adding heat-preserving components into the volume of heat-insulating fibrous materials changes their structure and properties. In thi...
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GMA Halim, MS Islam
Pág. 1 - 8
Evaluation of sweet pepper cultivation under different protective structures was made in two consecutive seasons of 2007-08 and 2008-09 at the experimental field of Horticulture Research Center of BARI, Gazipur. One popular commercial capsicum variety Ca...
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Michal Mára, Candida Talone, Radoslav Sovják, Jindrich Fornusek, Jan Zatloukal, Premysl Kheml and Petr Konvalinka
The ballistic modular system was developed to serve as a mobile protective barrier against projectile impact and also to mitigate the effect of secondary fragments and explosions. The advantage of the system lies in its very fast assembly at the point of...
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Zeqing Fan, Xiaobin Li, Tao Huang and Wei Chen
A multilayer liquid-containing protective structure is composed of a liquid tank, ceramic, a honeycomb sandwich and homogeneous steel. This structure has superior resistance to combined blast wave and fragment loading. Due to the relatively complicated c...
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Yuting Shang, Yifan Deng, Yuanli Cai, Yu Chen, Sirui He, Xuanchong Liao and Haonan Jiang
The escalating proliferation of space debris poses an increasing risk to spinning satellites, elevating the probability of hazardous collisions that can result in severe damage or total loss of functionality. To address this concern, a pioneering inflata...
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Ph. V. Kiryukhantsev-Korneev, Zh. S. Amankeldina, A. N. Sheveyko, S. Vorotilo and E. A. Levashov
Boron and oxygen-doped Cr?Al?Ti?N coatings were deposited by closed field unbalanced magnetron sputtering (CFUBMS) of TiB target manufactured by self-propagating high-temperature synthesis, and Ti, Cr, and Al targets. To evaluate the influence of doping ...
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Jun Li, Yongsheng Ji, Guodong Huang and Linglei Zhang
This study investigates the resistance of an uncoated magnesium phosphate cement (MPC) protective layer to sulfate attacks through changes in its compressive strength and appearance. X-ray Diffraction (XRD) and scanning electron microscopy (SEM) microana...
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Yisheng Zhang, Jiangfei Wang, Qi Zhou, Yingchun Cai and Wei Tang
In this study, a quasi-stumps group structure was proposed and placed upstream of the bridge piers to mitigate the scour of the waterflow on the riverbed. Both experiment and numerical simulations using FLOW 3D were employed to study the protective effec...
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Yuriy Tsapko,?leksii Tsapko,Olga Bondarenko
Pág. 14 - 19
Description of performance of fire-protective coatings during operation of a wooden construction structure is a separate and complex task that covers both stages of the protection process: both moisture protection and further heat transfer that occurs wh...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 120 - 133
The subject of the study in the article is the increasing requirements for working parameters and product quality. In instrument-making, mechanical engineering, defense and other industries manufactured products are composed of welded metal structure. Ma...
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Vjacheslav Romenskiy, Viktoriia Nevliudova, Elena Persiyanova
Pág. 120 - 133
The subject of the study in the article is the increasing requirements for working parameters and product quality. In instrument-making, mechanical engineering, defense and other industries manufactured products are composed of welded metal structure. Ma...
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Ivan Stojanovic, Vinko ?imunovic, Vesna Alar and Frankica Kapor
Protective coatings are the most widely used corrosion protection method for construction materials in different environmental conditions. They isolate metals from aggressive media, making the structure more durable. Today, alongside good anti-corrosive ...
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Dmitry Wainstein and Anatoly Kovalev
This paper generalizes the results of our research, which was aimed at the development of adaptive cutting tool coatings for high speed dry cutting, from the inception of the idea to complex multilayer coatings for processing tough metals. Typically, the...
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Jichao Liu, Cheng Wang, Peiyu Zhang, Min Gui, Lijia Tong and Bin Li
Aluminizing is a common protective coating for aeroengine turbine blades, but there is no method to accurately measure the aluminized thickness. X-ray fluorescence nondestructive testing technology is a method which can basically realize the measurement ...
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Gloria Terenzi, Caterina Bazzani, Iacopo Costoli, Stefano Sorace and Paolo Spinelli
A study concerning the performance assessment and enhanced retrofit of public buildings originally designed without any anti-seismic provisions is presented herein. A representative structure belonging to this class was demonstratively examined, i.e., a ...
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Xianzheng Yu, Hua Liu, Xiaolin Fan, Liangyu Zhu, Chengqi Zhang and Shiyi Zhang
In marine environments, bridge piers and columns are prone to corrosion caused by harmful media, particularly chloride ions. This corrosion can lead to cracking of the steel bars in the protective layer of the bridge piers. To enhance the corrosion resis...
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Stefano Piacquadio, Dominik Pridöhl, Nils Henkel, Rasmus Bergström, Alessandro Zamprotta, Athanasios Dafnis and Kai-Uwe Schröder
Economic viability of small launch vehicles, i.e., microlaunchers, is impaired by several factors, one of which is a higher dry to wet mass ratio as compared to conventional size launchers. Although reusability may reduce launch cost, it can drive dry an...
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Hong Lin, Chang Han, Lei Yang, Lin Zhang, Haochen Luan, Pingping Han, Hao Xu and Shuo Zhang
As an important protective facility on offshore platform, the blast wall is of great significance in resisting oil and gas explosions. Honeycomb structures are widely used due to their unique deformation and mechanical properties under dynamic impact loa...
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