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Many factors affect the movement of the soil and ground support systems around excavations [1,2,3]: the type, the rigidity and the degree of embedding of shoring system; the method of construction of shoring system and the phasing of work; the construction stages; the methods of construction of structures within the excavation; the intensity of the overloads; the weather conditions; the nature and properties of soils; the neighboring structures and the shape and the depth of the excavation.
Some of these factors can be controlled by the designer but others depend on the actual conditions of works.
The mechanical behavior of soils is described by the model elastic perfectly plastic non-associated of Mohr-Coulomb in which mechanical parameters are provided in Table 1.
We show that taking into account structural elements affects the movement of soil and walls induced by the excavation, and that the realization of an excavation nears a foundation strongly affects the movement of the latter.
Shahrour I., Numerical Finite Element Analysis of the behavior of structure near to deep excavations in urban area, International review of mechanical engineering (I.RE.M.E), Vol. 2 N. 2 (2008)

Our team has been investigating the forging of thixomolded magnesium bodies in order to improve their mechanical properties so that the application of thixomolded magnesium parts in the transportation industry can be expanded.
Although it is expected that the mechanical properties of a forged thixomolded magnesium alloy are affected by the existence of the coarse alpha grains, its microstructure evolution during forging process has not yet been clarified.
The mechanical properties of thixomolded components are equal to or higher than those of die-cast components, since the high cooling rate due to the lower shot temperature makes for a finer microstructure [1].
In order to improve the mechanical properties of thixomolded magnesium parts, we intend to apply a forging technique to the molded parts.
In particular, we are interested in the microstructural behavior of coarse alpha grains, which are the result of semi-solid molding [2-3] during the forging process, because the alpha grains are expected to affect the mechanical properties [4].

Aimed at the size, shape and weight of crankshafts with larger size, theoretic research is done, and main factors for finishing uniformity are analyzed.
Consequently, it has effects of finishing crankshafts, increasing surface quality and improving the physical-mechanical properties.
For definite crankshaft, main factors affecting finishing effects may include: motion and geometry parameters of equipment, machining medium characteristic, finishing time, etc.[3,7-8].
Wang: China Mechanical Engineering, Vol.12 (2001) No.1, pp.300-302.
Wang: China Mechanical Engineering, Vol.10 (1999) No.5, pp.502-505.

The density decreased with the addition of BCP, while the porosity and mechanical properties increased with additives.
The mechanical properties are illustrated in Table 3.
The BCP nanoparticles have been used to induce mesenchymal stem cell osteogenic differentiation, increase the cell adhesion, attach growth factors, and improve mechanical characteristics [20].
Conclusions Addition of BCP to the scaffolds of PVA affects the properties of nano composites.
The porosity and the mechanical properties of fabricated foam samples are within the characteristics of natural human bone tissue.

A detailed microstructural characterization has been done with relation to the mechanical properties.
The differences in mechanical properties can have various reasons.
As stated in literature [20] the block sizes are the dominant factor for mechanical properties and a good combination of toughness and strength.
As soon as the holding time at isothermal temperature is kept short, even small temperature variations do not affect the mechanical properties drastically, as seen within Fig. 6.
All those factors leading to favorable mechanical properties are beneficial for a reduction of processing time and energy.

Using SHEEL element, the FEA model of the support structure is established, the property of the components is listed in table 1.
Analysis of the influence factors on support structure mode Table 4 Orthogonal experiment table of support structure and analysis results of first-order mode Factors Mode freq.(1st order) experiments A B C 1 1 1 1 156.35 2 1 2 2 182.81 3 1 3 3 220.63 4 2 1 2 156.20 5 2 2 3 217.38 6 2 3 1 155.79 7 3 1 3 208.91 8 3 2 3 156.75 9 3 3 2 176.29 For change in structure can affect the mode frequency of structure, DOE analysis is designed to find which member has the smallest effect on it.
Taking the brackets of support structure of the dynamic systems as object, an orthogonal table of three factors and three levels is designed.
The element section of the finite is set to 20 * 30, 30 * 30 and 30 * 40 as three levels, while the links along X, Y, Z three directions is set as three factors A, B, C to make an orthogonal table.
From table 5, it is known that the main influence factor on the first-order mode of the support structure is factors C, the secondary one is factor A.

Embankments for roads and highways construction over soft deposits always create special problems due to the poor engineering properties of soft clay.
Therefore it is necessary to takes into account those properties in order to get better prediction in soft clay consolidation settlement analysis.
Laboratory test In the paper, we research the consolidation properties of soft clay using elastic visco-plastic modeling; the test results show that EVP modeling can describe the soft clay’s deformation properties.
Seven major factors affecting settlement of soft clay, namely X1, X2, X3, X4, X5, X6, X7, where X1 stand for the way of ground treatment, and A stand for no treatment, B stand for sand mats, C stand for plastic drainage board, C stand for sand drain.
According to the result of investigation and data analysis about the settlement of the soft clay foundation, several research conclusions are drawn: 1) Soft soil foundation settlement is affected by a lot of factors, and the relationship between them is high dimension, highly nonlinear and complicated relationship.

Carbon nanotube has attracted great research attentions due to its outstanding electrical, physical, mechanical, chemical properties.
Based on its excellent properties, the carbon nanotube is promising nanoscale material for novel electrical, mechanical, chemical, and biological devices and sensors.
Introduction Carbon nanotube (CNT) has attracted great research attentions due to its outstanding electrical, physical, mechanical, chemical properties.[1-5] Based on its excellent properties, CNT is promising nanoscale material for novel electrical, mechanical, chemical, and biological devices and sensors. [4-8] Depending on the number of walls, CNT is categorized into single walled carbon nanotube (SWCNT) and multi walled carbon nanotube (MWCNT).
The several factors of etching CNTs film were systematically studied.
Electronic properties of single-walled carbon nanotube networks.

Montes d Metallurgy and Materials Engineering Group, University of Seville, Camino de los Descubrimientos s/n, 41092 Seville, Spain a josemar@us.es, bfgcuevas@us.es, cjcintas@us.es, djmontes@us.es Keywords: Bronze, Restoration, Casting, Mechanical Properties.
Tensile properties are also discussed as they depend on porosity and lead content, what can be useful in the restoration process.
In addition to microstructure, mechanical properties have been evaluated.
Lead content and distribution are also factors that affect the tensile strength.
Tensile properties are also discussed, as they depend on porosity and lead content, what can be useful in the restoration process.

By a laser induced pre-treatment, the material properties are locally changed so that influencing the material flow is possible.
In this process the mechanical properties are locally modified by local heat treatment that causes microstructural changes.
An optimisation of the mechanical properties adapted to the component demands can be obtained, for example, using a CO2 laser.
Other publications on laser induced heating of aluminium alloys have shown that the mechanical properties can be influenced directly by short-time laser heating [2-4].
Experimental results Materials properties, after the bulk and local (laser) heat treatments, were evaluated by microhardness measurements.