Search results

Xiamen, Fujian, 361006, China azhangsm@zucc.edu.cn, byukai@yahoo.com.cn, cdingz@zucc.edu.cn, dyhm@qq.com Key Words: Flexible Composite Pile Foundation; FEM Analysis; Load; Settlement Abstract: The pile work on the complex properties of three-dimensional finite element analysis has been made by building-up one 4x4 soft pole.
Having studied on the factors which affect the flexibility pole compound foundation settlement factor in foundation, include the level of vertical load, elastic modulus of the pile, cushion thickness and elastic modulus.
The results show that: the impact of soft pile settlement of the factors, the level of vertical load and pile elastic modulus greater impact cushion modulus of elasticity and thickness of the less affected.
Table 1 The target of materials’ physical and mechanical properties Materials involved in the calculations Thickness or length Side resistance limits /kPa End resistance limits /kPa The ultimate bearing capacity of single pile /kN ES c MPa kPa ° Bearing platform 0.5 28000 0.2 Sand cushion 0.3 80 0.3 Flexible pile 10 300 120 0.25 The upper soil 5 28 5 12 15 0.4 The Subsoil 20 10 100 120 19 25 0.3 In the face X = 0 and Y = 0 are the symmetry constraint; direction Z is calculated as 2.5 times the depth of pile length and set to hinge constraint.
In the settlement factors about flexible pile of composite foundation, Vertical load levels and pile elastic modulus have a greater impact, elastic modulus and thickness of cushion have small impact.

However, when nano MgCO3 content was higher than 4%, the mechanical properties of coatings decreased.
Therefore, how to improve the mechanical properties has become the focus of the study.
The main factors affecting the modification of waterborne UV-curing wood coatings were the content of MgCO3, drying temperature and time of UV radiation [12].
When these three factors were optimized by orthogonal experiment, the mechanical properties of coatings could be optimized.
The three factors have effect on mechanical property of waterborne UV-curing wood coatings.

In order to find out the mechanical properties using BI testing, many theories and models have been proposed.
The difference in tensile properties was attributed due to local variation in dwell temperature and cooling rate that dictated the local microstructure and properties of heat affected zone.
Conclusions Automated Ball Indentation testing technique was successfully used to evaluate the gradients in the mechanical properties of the fusion zone, heat affected zone and base metals.
Haggag, Characterization of gradients in mechanical properties of SA-533B steel welds using ball indentation, Int.
Bulloch, Toughness losses in low alloy steels at high temperatures: an appraisal of certain factors concerning the small punch test, Int.

Determination of factors influencing the mechanical tensile is important to improve the 3D angle interlock end use in various technical fields.
This paper will present review on several factors that can affect the tensile performance of 3D angle interlock woven fabric.
Both studies presented that 3D angle interlock have good mechanical performance in tensile and flexural properties compared the other type of 3D woven fabrics.
This has increased the tensile strength properties.
Zhao, "Effect Fabric Structures on Mechanical Properties of 3D Textile Composite," Journal of Industrial Textiles, vol. 35, pp. 239 - 256, 2006.

Recommendations for optimizing welding parameters to improve the mechanical properties of welded joints are proposed. 1 Introduction Welded structures are widely used in mechanical engineering, construction and other industries.
It is characterized by high strength, good welding properties and increased cold resistance.
In this zone, grain recrystallization and changes in mechanical properties can occur due to phase transformations and thermal effects.
These zones respond differently to applied loads, affecting stress distribution and mechanical performance.
One of the most significant factors affecting the propagation of plastic deformation is the magnitude of internal stresses that develop due to phase transformations occurring during the formation of structural components in the welded joint.

Mechanical Properties Young and Shear Moduli.
Patient age is another important physiological factor affecting fracture toughness.
The tubule orientation θ with respect the direction of load application is probably the most important factor affecting dentin fatigue behavior.
Damping is affected by many factors, in particular it increases if dentin is damaged and structural defects are present [96].
Feng, Dynamic mechanical properties of cortical bone: The effect of mineral content.

Mechanical and physical properties of a unidirectional carbon fiber reinforced epoxy matrix (T700/3234) composite have been evaluated after being vacuum thermal cycled (133~413 K, 10-3 Pa) up to 300 cycles.
It is suggested that debonding of fiber/epoxy interface and post curing in matrix during vacuum thermal cycling should be responsible for evolvement of mechanical properties of the T700/3234 composite.
This study focus in revealing the effects of vacuum thermal cycling on mechanical properties of a unidirectional carbon T700 reinforced 3234 matrix composite and its related damage mechanisms.
Mechanical properties of the T700/3234 composite before and after thermal cycling were measured using an INSTRON 8872 type material test system.
Fig.6 Interlayer shear strength of T700/3234 composite vs. thermal cycles Summary Effects of vacuum thermo-cycling on mechanical and physical properties of a unidirectional T700/3234 composite have been investigated.

Moreover, influence of factors on mechanical properties of the one-way BSS with the cooperation of the supporting structure is investigated.
The factors include grouting, support form, corrosion.
However, there has been little research on the mechanical properties of BSS during various construction stages.
So in this paper, taking the beam string structure in a practical project as the research object, firstly mechanical properties of a single BSS during the prestressing phase is studied, and then the mechanical properties of the one-way BSS under various load cases is explored with the cooperation of the supporting structure, finally such factors as grouting, support form, steel corrosion, affecting the mechanical properties of the one-way BSS with the cooperation of the supporting structure, are further analyzed.
Influencing factors Grouting.

Research Progress of Adsorption Properties of Hydroxyapatite Hailin Fan1,a, Zhaoxia Hou*1,b, Shaohong Wang1,Meihan Wang1 Xiaodan, Hu1 1 Liaoning Province Key Laboratory of New Functional Materials and Chemical Technology, School of Mechanical Engineering, Shenyang University, Shenyang, China awuweifanhailin@126.com, *bluckyxia2007@126.com Key words: Hydroxyapatite; Adsorption properties; Influencing factors; Kinetics Abstract: Nowadays, serious environmental pollution demands enterprises to dispose waste water, especially for the printing, dyeing and nonferrous metal ones.
In this paper, the pollution situation, adsorption properties, adsorption mechanism, influencing factors and adsorption kinetic of hydroxyapatite are introduced.
Influence factors of adsorption Background.
This method can also be used to study the influence factors of adsorption properties of HA.
Temperature is also an important factor which affects the adsorption process.

Mechanical expanding process for large diameter line pipe, a detailed analysis of factors affecting the quality of the final products of the mechanical expansion and proposed optimization using orthogonal array optimization method, as an indicator of dimensional accuracy and shape accuracy of the products, combination of a variety of specifications of mechanical expanding products, the main process parameters to be optimized.
Thus, the line pipe from the material properties to the forming process as well as welding assembly is different from the ordinary steel.
Process Parameters Many factors affect the mechanical expansion of the final product quality in a variety of process parameters, when a certain number of mold valve case, the factors directly related to the forming process of expanding rate, die radius, mold edge fillet radius, the following These three parameters will discuss the impact of the final product.
Mold edge of the fillet radius on the impact of products Mold edge of the fillet radius mainly affects the initial contact position of the billet and the mold, fitting behavior of the billet and the mold surface, thereby affecting the quality of the products.
Mechanical Expansion Optimization Mechanical expansion of the final product quality is good or bad is the combined result of various factors.