|
|
|
|
|
Alexandr Gulyarenko and Michal Bembenek
Reliability consists of four components: failure-less operation, maintainability, durability, and preservation ability. For different machines and different conditions of operation, different combinations of these properties, and differences in how they ...
ver más
|
|
|
|
|
|
|
|
|
|
|
S. V. Borshchevskyi,V. I. Kamenets,O. O. Driuk
Pág. 107 - 110
The method of building the spill-concrete walls in mine holes of large diameter is analyzed. The variant of calculation of thickness of spill-concrete walls using such a method is offered. The recommendation on perfection of technology of timbering the m...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jeanette Orlowsky, Franziska Braun and Melanie Groh
The durability of eleven different water repellents applied on one sandstone type was studied after a long-term weathering at seven different locations in Germany. By measuring colour changes, it could be shown that the formation of black crusts, the dep...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yanjing Fan, Jianrong Pan, Zhixiao Wu, Bin Li and Zhan Wang
The durability and safety of steel structures during their life cycle are affected by steel corrosion. Limited test conditions and time hinder the reproduction of actual atmospheric steel corrosion. Most test studies have focused on the effect of pitting...
ver más
|
|
|
|
|
|
|
|
|
|
|
O. V. Agarkov,R. M. Yosyfovych
Pág. 71 - 86
Purpose. In the research one should do: 1) to determine a 3-d stress-strain state of the rail head in contact with the rolling wheels; 2) to analyze different forms of contact interaction; 3) to obtain the data necessary to calculate the durability of ra...
ver más
|
|
|
|
|
|
|
|
|
|
|
B. M. Tovt,E. M. Dzichkovskyy,O. E. Kryvchykov
Pág. 40 - 45
In this article the results of analytical and experimental research of the strained-and-stressed state of supporting structure of the track machine KRS-1 are presented. The analytical research is executed with the use of finiteelement method (FEM). The r...
ver más
|
|
|
|
|
|
|
|
|
|
|
S. A. Kostrytsia,B. M. Tovt
Pág. 17 - 23
In the article the results of analytical and experimental studies of the stressed-and-strained state of load-bearing elements of structure of ballast prism planner of SPZ-5/UA are presented. The analytical research is performed using the finite ele...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daqian Zhang and Yueyang Chen
To study the influence of random vibration on the fatigue life of airborne equipment, an aircraft electrical control box was selected as the research object. First, finite element software was used to model the dynamics of the airborne electrical control...
ver más
|
|
|
|
|
|
|
|
|
|
|
Petr Lehner, Lenka Koubová and Miroslav Rosmanit
The results of numerical calculations on the resistance of the reinforced concrete bridge deck to chlorides are compared with a different approach to the diffusion coefficient of the input parameter, and presented. The aim is to point out the necessity o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Helin Fu, Pengtao An, Long Chen, Guowen Cheng, Jie Li and Xiaohui Yu
Affected by the coupling of excavation disturbance and ground stress, the heterogeneity of surrounding rock is very common. Presently, treating the permeability coefficient as a fixed value will reduce the prediction accuracy of the water inflow and the ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Wang, Junci Cao, Qingbin Tong, Guoping An, Ruifang Liu, Yihuang Zhang and Hua Yan
The transient thermal performance of rolling bearings affects the mechanical performance and system safety of traction motors. Most of the traditional empirical formulas used in temperature analysis have been simplified and cannot be completely applied t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaona Shi, Xian Rong, Lin Nan, Lida Wang and Jianxin Zhang
Assembled methods play a critical role in the construction of precast concrete structures. However, conventional dry-connections-like sleeve grouting joints in precast concrete structures lagged at a low construction and management efficiency with poor q...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dinara Arinova,Borys Uspensky,Konstantin Avramov,Vitaly Povetkin
Pág. 22 - 28
This paper has suggested a procedure to analyze durability of supporting shafts in eccentric mechanisms based on finite-element modeling. When conducting the analysis, the steady movement of the mechanism is investigated. The analysis of durability is ba...
ver más
|
|
|
|
|
|