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Online since: May 2011
Authors: Yuan Qing Wang, Li Yuan Liu, De Zhang Li, Hai Ying Wan, Da Yi Ding
This paper focused on the mechanical properties of the curved girders, as well as the influence on box-columns connected with them.
The local model of the curved box-girders were set up to study the mechanical properties of the curved girders including the ultimate capacity analysis.
This paper focused on the mechanical properties of the curved girders, as well as the influence on box-columns connected with them.
The local model of the curved box-girder in GJ3-6 and GJ2-7 was set up to study the mechanical properties of the curved girders including the ultimate capacity analysis.
Fig. 13 Maximum stress as the stiffener changes Conclusions From the results above, it could be found that finite element method is a convenient way of calculating effective length factors for members with complex boundary conditions, and the mechanical properties of the curved girders including the ultimate capacity analysis were finally carried out: (1) While calculating the performance of the box-columns that directly connected to the curved box-girders, the effective length factors that carried out in this paper should be referred.
Online since: December 2022
Authors: Xu Ming Liu, Xin Liu, Bao Yu Song, Jun Sheng Wang, Yang Zhao
It was demonstrated that the DROW process could improve the mechanical properties of the rebar, but the difference in phase content and grain size distribution leads to a large variability in the enhancement of the mechanical properties of rebar rolled in different areas of the billet.
This article focuses on the factors affecting the mechanical properties of HRB400 rebar by the DROW process and gives suggestions for improvement.
Comparison of the mechanical properties of the rebars (a) average yield strength; (b) average tensile strength.
The final results showed the DROW process could effectively improve the mechanical properties of the rebar, but also increased the difference of the mechanical properties of the rebar in the axial direction.
(5) Although the DROW process increases the mechanical properties of the bars, it also increases the difference in the axial mechanical properties of the bars.
Online since: January 2013
Authors: Xue Song Tang, Min Wei Chen, Chang Hui Gao
Effect of artificial aging on the mechanical properties of an aerospace aluminum alloy 2024 was presented in [6].
In addition, only the remote temperature gradient along x1-axis affects the thermal stress intensity factor.
Summary For an Infinite plate with a central crack, remote temperature gradient only affects mode I stress intensity factor.
Thermal fracture properties of the materials are analyzed by numerical results.
[5] Kang Yong Lee, Sang-Joon Park, Thermal stress intensity factors for partially insulated interface crack under uniform heat flow, Eng.
Online since: July 2012
Authors: Andrés L. García Fuentes, Pierre Bazán, Leiry Centeno, Magaly Ramos, Alberto Velázquez Del Rosario
The research focused on characterizing the mechanical properties of the weld; examine the influence of the factors that affect the quality of welding on the mechanical behavior of the joint and to evaluate the influence of the type of load applied the mechanical behavior of the union.
To achieve these aims, the work focused on the factors that affect the quality of welding, such as, welding defects (surface and internal cracks, slag deposits and undermining), microstructure, extent of the HAZ and mechanical properties (profile of hardness, tension, and bending) [5].
Properties Sy Su Elong.
Tensile mechanical properties of the samples under study (results obtained in the laboratory) Fig. 28.
The specimens welded as overlap, suffering deformation around the ductile fracture in, away from the HAZ without affecting the weld, as evidenced in Fig. 30.
Online since: May 2012
Authors: Ya Feng Yue, Dong Zhao
By changing the section size of a frame beam and column, the mechanical properties of multi-frames under vertical and horizontal loads were studied.
Through research on a frame unit under vertical and horizontal loads,the mechanical properties of a frame unit were obtained.
Analysis of test results Conclusions can be drawn from the failure pattern of the specimen and test results, that there are many factors affecting on the mechanical properties of composite wall.
Then, the following main factors will be focused on, namely filled block and its mechanical properties, the section stiffness of frame beam and column.
In summary, the major factor considered in this experiment has a significant impact on mechanical properties of the composite wall unit, and the impact on the bearing capacity is more outstanding than the stiffness.
Online since: December 2024
Authors: Xiao Chun Zhao, Hao Xuan Yu, S. N. Kovshar, Xian Peng Wang
The effects of temperature and steel fiber content on the mechanical properties of concrete are studied in this paper.
Introduction Concrete is one of the most commonly used materials in construction engineering, and its properties are affected by a variety of factors.
However, different levels of steel fibers can have a complex effect on the mechanical properties of concrete.
The compressive strength of concrete is affected by a variety of factors, among which temperature and steel fiber content are two important factors [8].
The peak strain of concrete is affected by a variety of factors, among which temperature and steel fiber content are two important factors.
Online since: January 2020
Authors: M.L. Krasnov, V.A. Nekit, Sergey I. Platov
The Mechanical Properties of the Pipe Steel after Rolling at the Plate Mill S.I.
A study of the mechanical properties of the finished metal products was carried out.
However, due to the exceptional complexity of physical and mechanical processes, the variety of various external and internal factors affecting the mechanical properties of metals, there is an imperative need to use mathematical statistics as the basis for processing experimental information.
The mechanical properties were determined and the structural state of the specified volumes of finished steel was certified.
The obtained results are of great theoretical importance for substantiation of fundamental knowledge about the nature of mechanical properties.
Online since: September 2014
Authors: Zakaria Man, Lukman Ismail, Tia Rahmiati, Rosniza Hanim Abdul Rahim, Khairun Azizi Azizli
This paper presents an investigation on the mechanical and physical properties of fly ash based geopolymer by varying solid to liquid ratio using sodium hydroxide as the only activator.
Silicate solution is added for the purpose of providing Si ions in order to increase the dissolution process of the starting raw materials and improve mechanical properties [7].
Thus, the present work to address the effect of solid/liquid ratio on the mechanical and physical properties.
Perraki, “Effect of synthesis parameters on the mechanical properties of fly ash-based geopolymers,” Colloids Surfaces A Physicochem.
Ueng, “Main factors affecting mechanical characteristics of geopolymer revealed by experimental design and associated statistical analysis,” Constr.
Online since: February 2012
Authors: Jia Shiun Chen, Hsiu Ying Hwang, Nguyen Quoc Nghiem
The mechanical properties and microstructure of sub-zones were studied.
There were many studies made to determine the mechanical properties.
Segger et al. [3] used scale factors to determine stress-strain curve of HAZ and FZ from the tensile strength of base metal.
Tested mechanical properties of SPCC steel.
The quenched specimens were tested to get the mechanical properties.
Online since: August 2010
Authors: Fang Chao Cheng, Bing Xue, Ying Cheng Hu
veneers were tested for physical and mechanical strength properties in this study.
There are many factors that affect the mechanical properties of LVL, such as the relative humidity, the wood species and the density of LVL, and so on.
The effects of relative humidity were analyzed on the mechanical properties of LVL in this study.
To clarify the principle that the relative humidity affects the mechanic properties of LVL, bending test and shear test were conducted on veneer and three-lamination LVL.
So the mechanical properties of LVL must be affected by the relative humidity of application environment.
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