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Several factors such as repeated loads, vibrations of the bridge deck, thin surface layer, and severe weather conditions accelerate these pavement distresses.
They are then divided into subdomains corresponding to each layer properties.
In the derivation of the stiffness matrix for elements, the geometry of elements, the allowable degrees of freedom for the nodes to displace, and the material properties are considered.
Mechanical response analysis of the steel deck asphalt pavement of the 2nd Nanjng Yangtze-river bridge.
Mechanical Analysis of Pavement on Orthotropic Steel Bridge Deck.

Current researches done on palm fiber composite had mainly focused on tensile and flexural properties.
The main factors and parameters used are shown in Table 1.
When performing an experiment, varying the levels of the factors simultaneously rather than one at a time is efficient in terms of time and cost, and also allows for the study of interactions between the factors.
Fig. 3 elucidates response of the significant factors.
,Tensile properties of single oil palm fruit bunch (OPEFB) fibre.

So the crucial factors were taken into account and the unimportant factors were neglected.
The Rheological Model It was verified that the rheological property of the semisolid metal affects by some facters:the shearing rate, shearing time, the ratio of the solid phase, the shape and distibution of the solid.
The effect of the Technique Parameters on the Temperature Field in Casting-rolling There are many factors such as the temperature of casting-rolling, the velocity of casting-rolling, the gap of twin roll, the temperature of roll and the diameter of roll affect the process of casting-rolling.
It was mainly affected the quenched layer of the strip.
Mechanical properties of magnesium alloy, sheets produced by semi-solid roll strip casting[J]．Mater Sci Forum, 2003, 426(4):617 [9] H.

The tool life is determined by the various complex mechanical, thermal, chemical, and tribological properties.
Among the material properties, hardness has the closest correlation with wear resistance, but type, distribution and amounts of carbides also affect wear resistance.
The efficacy of PVD-coated tool is strongly dependent on the physical and mechanical properties of the steel.
Among the material properties, hardness has the closest correlation with wear resistance, but type, distribution and amounts of carbides also affect wear resistance.
Podgornik: Comparison of K340 Steel Microstructure and Mechanical Properties Using Shallow and Deep Cryogenic Treatment, 12, 1296. https://doi.org/10.3390/coatings12091296 (2022)

The microstructure is one of the crucial factors that influence the mechanical behavior of SLM processed Ti-6Al-4V.
Different factors can be responsible for the observations such as differences between defects in two orientations and microstructures.
Defect is the main factor that negatively affects the fatigue lives of SLM Ti-6Al-4V specimens [4-6].
Effects of Defects in Laser Additive Manufactured Ti-6Al-4V on Fatigue Properties.
[12] Mechanical Property Handbook of Aero Engine Material, Chinese.

This reduction is influenced by various factors, including the origin of the RCA [14], the percentage of substitution [15,16], the water absorption properties, and the W/C ratio [10].
The mechanical properties of recycled fibers.
Pilakoutas, Mechanical properties of SFRC using blended manufactured and recycled tyre steel fibres, Constr.
Pilakoutas, Mechanical properties of SFRC using blended Recycled Tyre Steel Cords (RTSC) and Recycled Tyre Steel Fibres (RTSF), Constr.
Manso, The influence of recycled aggregates from precast elements on the mechanical properties of structural self-compacting concrete, Constr.

In Gas Metal Arc Welding (GMAW), electromagnetic force is one of the most important factors that effects the metal transfer, short-circuit rate, spatter generation rate and mechanical properties for welding metal.
This paper is for the purpose of discussing these factors.
However problems of extensive spattering in CO2 welding process had become an obstacle factor for efficient welding productivity.
In addition there is an electromagnetic force, which affects both directions [5].
The other is a pinch instability model, in this a cylinder of liquid phase is separated by a mechanical disturbance of a particular wave length which brings a wave motion phenomenon to the cylinder of liquid phase.

· Because of the synergetic interaction between mechanical and environmental conditions the effect of loading frequency can greatly affect crack growth rate.
The elastic properties for the base and weld metal are different (Table 2).
The crack growth properties are also different for the two stress ratios of 0 and 0.85 (Table 2).
If a point is within the weld region, then weld properties are applied, otherwise base properties are applied.
Table 2 – Elastic properties, crack growth laws, threshold and failure (units: da/dN m/cycle, K MPa-m1/2.)

The comprehensive mechanical properties of PM Ti2AlNb alloys are comparable to those of cast and wrought Ti2AlNb alloys [4-5].
In the EIGA process powder size may be influenced by several factors including the type of atomizing gas and gas pressure.
To ensure good mechanical properties of the compact, however, porosity inherent in the gas atomized powders must be minimized.
Li, Effect of electron beam welding on the microstructures and mechanical properties of thick TC4-DT alloy, Mater.
Wu, Microstructure evolution and mechanical properties of linear friction welded Ti2AlNb alloy, J.

Adding crumb rubber increases crack and frost resistance, but it may decrease the mechanical properties of concrete [8].
Chemical and physical properties of cementitious materials.
To determine the physical and mechanical properties, beam samples of 40×40×160 mm were made.
Thus, 15% of crumb rubber and 10% asbestos-cement powder being added, the optimum mechanical properties of the modified concrete are achieved.
All these factors contribute to the compaction of the matrix structure, the reduction in the number and size of pores.