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Email: s-aki@net.nagasaki-u.ac.jp 2Department of Mechanical Systems Engineering, Faculty of Engineering, Nagasaki University Keywords: Shear Faulting, Echelon of Cracks, Failure Localization, Compressive Fracture, Crack Propagation, Crack Coalescence, Body Force Method Abstract.
Consequently, these materials are weak and easy to break under tensile stresses.
Therefore, when the brittle materials are employed for structural components, care has to be taken to avoid tensile stress.
Although brittle materials can endure a large compression, cracks may propagate when excessive compression is applied.
[15] Saimoto, A., Imai, Y., Hashida, T. and Nisitani,H., Progress in Experimental and Computational Mechanics in Engineering, Key Engineering Materials, Vols.243-244, pp.285, 2003.

IYA 1, d . 1 Department of Agricultural Engineering, Federal University of Technology, Yola- Nigeria 2 Department of Agricultural Engineering, Bayero University Kano - Nigeria 3 Department of Agricultural Engineering, Ahmadu Bello University, Zaria - Nigeria a fatimaud@yahoo.com, b dralimohd@yahoo.co.uk, cabdullahielokene@yahoo.com and d us5iya@yahoo.com.
Materials and Method The following factors were considered: Sample factors: Seven tiers of Samnut - 10 varieties were purchased.
Thesis Submitted to the Department of Agricultural Engineering, Ahmadu Bello University , Zaria(1997)
Engineering, Ahmadu Bello University, Zaria(2000).
Project Submitted to Department of Agricultural Engineering, Federal University of Technology , Yola. (2005)

We conclude with derived legal methods and matters for consideration in the usage of optimization software for engineering products.
In the first phase, the main properties of the bridge were designed by using conventional methods of civil engineering.
Particularly when new materials are being employed, it is to be expected that a careful examination of their qualities and suitability for the planned usage is carried out.
Safety can actually come at the expense of the input parameters, something which is made very clear when, for example, the goal is to make savings on materials.
[16] DIN 1076:1999-11, Engineering structures in connection with roads - inspection and test. (1999)

Just like other geotechnical engineering problems, because the research object is a kind of continuous and heterogeneous materials, involving fluid-solid coupling problem, study on the stability of tailings pond is complex system engineering.
Mining Engineering,48(11)( 1996):34-37
Civil Engineering Survey, 5 (4) (1980): 15-22
Engineering Geology, 55 (2000): 167-192
Engineering Geology, 68 (2003): 103-121

However, the gasket stress measurement which was difficult in the actual engineering site limited its application.
It is of great significance for monitoring or evaluating the joint leakage in the engineering.
The theoretical value is conservative and can be used in engineering practice.
Lubrication Engineering, 35.7 (2010) 9-13
Fluid sealing technology: principles and engineering application.

That would translate into a smaller probability of workpiece distortion, a key aspect in any precision engineering, and particularly in the applications mentioned.
Salguero, Advances in Non Conventional Materials Processing Technologies, Trans Tech Publications Ltd, Durnten-Zurich, 2012
(Eds.), Advances in Manufacturing, Lecture Notes in Mechanical Engineering, Springer International Publishing AG, Gewerbestrasse, 2018, pp. 671-680
Gamez, Thin-wall machining of light alloys: A review of models and industrial approaches, Materials, 12 (2019) 2012
Cabanes, Cutting conditions and tool optimization in the high-speed milling of aluminium alloys, Proceedings of the Institution of Mechanical Engineers, Part B-Journal of Engineering Manufacture, 215 (2001) 1257-1269

Innovative composite materials, such as Fiber Reinforced Cementitious Matrix (FRCM), can be adopted for the retrofitting of masonry structures.
When dealing with stone masonry walls, the application of these innovative composite materials is usually preceded by a more traditional retrofitting technique: grout injection.
Indeed, being able to analyze the efficiency of grout injection separately from the FRCM strengthening system application is very interesting and could provide precious indications for the engineering practice, given that injection is usually performed as a preliminary intervention on stone masonry samples.
Lekka, Externally bonded grids as strengthening and seismic retrofitting materials of masonry panels, Constr.
Mazzotti, FRCM Strengthened Masonry Panels: The Role of Mechanical Anchorages and Symmetric Layouts, Key Eng.

The diamond-like carbon (DLC) is one of the new kinds of materials.
From 1950s on, the new sort of carbonous materials has been invented constantly.
Fig.1 shows that some carbonous materials that prevail in the market and the corresponding qualities of them.
DLC can be the top one in the new kind of carbonous materials.
Wang, Modification of semiconductor materials by plasma immersion ion implantation, Shanghai: Fudan University, 2010

Study on the Safety of Bridge Structure Yu Zhang1, Yudong Wang1 1 Civil Engineering, Northeastern University, Shenyang, Liaoning, 110004 China 1711311238@qq.com Key words: Bridge; Structure; Comparison; Foreign; Abstract.YangMingTan bridge is the longest and super large span river's bridge located on the north area of ChangJiang river in China .That is used on November 6,2011 which span from its north area of the intersection of the third road and ShiMao road.
A.The China Transportation 2nd Air Bureau B.13 Bureau Group, China Railway Construction Company C.Long Jian Road and Bridge D.Construction unit of China Fujian Transportation Group Engineering Railway Bridge Engineering Bureau Group.
Supporting ease engineering.
I had the honor in 2010, had the privilege of this project internship, and have a basic understanding of the engineering segment.
Can learn the knowledge resulting from structural mechanics and mechanics of materials related to the resisting moment of the bridge overall value and the bridge width and bearing spacing when certain external loads applied.

By means of the local material flow models of e.g.
For all materials a scatter of the relative errors in-between a range of ±5% was obtained.
New groove pass sequences and materials will be included in the data base in the future as well.
Spittel, Landolt-Börnstein, Group VIII Advanced Materials and Technologies Volume 2C, Part 1- Metal Forming Data of Ferrous Alloys, 2009, Part 2- Metal Forming Data of Lightweight Alloys, 2011, Part 3- Metal Forming Data of Heavy Metals, 2011
Kawalla, Extension of the Freiberger Model of Spread for the Calculation of Material Flow During Rolling of Long Products to a New Material Group of Mg alloys AZ31, AZ81, WE43, Key Engineering Materials, 716 (2016) 677-684.