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Online since: July 2014
Authors: Kun Luo
The Application of MASW Method on the Studying of the Vibrations in Civil Engineering Kun LUO1, a 1 East China Jiaotong University, Nanchang 330013, China aLK360111@163.com, Keywords: Surface wave; vibration; Shear wave; MASW; Inverse problems; Abstract.
Surface-wave dispersion analysis is widely used in civil engineering to infer a shear wave velocity model of the subsoil for a wide variety of applications.
While all the people enjoy the advantages of the railway, however, the buildings along the railway line will be influenced by the vibration caused by the railway, and the key point to solve the vibrations in civil engineering is to investigate the geologic parameters of the building foundation along the depth.
Depth-shear wave velocity inversion curve Tab.1 The results of inversion calculations Layer Depth/m Vs/m/s Poisson's ratio Elastic modulus/GPa 1 0~3.8 392.05 0.25 0.96 2 3.8~7.5 615.3 0.25 2.37 3 >7.5 1154.2 0.25 8.33 5 CONCLUSIONS Based upon all the research results by far, followings are concluded on MASW method, MASW is an efficient method of investigating elastic property of near-surface materials.
MASW is a method that can be fully automated to investigate elastic property of near-surface materials for the usage in various engineering fields.
Online since: August 2017
Authors: Mariano Marcos Bárcena, José Ríos, Fernando Mas, Carlos Vila, Done Ugarte, Thierry Chevrot
· Harmonize teaching practices and learning materials, using a collaborative development process, which facilitates a better and more efficient creation.
Fielding, et al., Product lifecycle management in design and engineering education: International perspectives, Concurrent Engineering, 22 (2014) 123-134
Treagust, Engineering education—Is problem-based or project-based learning the answer, Australasian Journal of Engineering Education, 3 (2003) 2-16
In Materials Science Forum, 853 (2016) 79-84
Batista, et al., Design and Development of Integrated Lab-Practical Class in Manufacturing Engineering, Materials Science Forum 759 (2013) 27-38
Online since: October 2013
Authors: Ming Dong Yi, Xing Hai Wang, Chong Hai Xu, Jun Ma, Guang Chun Xiao
Friction and Wear Property of Ti(C,N)/ZrO2/WC Nano-composite Cermet Die Material Jun Ma 1,2,a, Chonghai Xu 1,2,3,b, Mingdong Yi 3,c, Guangchun Xiao 1,2,d, Xinghai Wang 4,e 1.School of Mechanical and Automotive Engineering, Qilu University of Technology , Jinan 250353, China 2.Key Laboratory of Advanced Manufacturing and Measurement and Control Technology for Light Industry in Universities of Shandong, Qilu University of Technology, Jinan 250353, China 3.School of Mechanical Engineering, Shandong University, Jinan 250061, China 4.
Friction and wear properties were also the key index of engineering application[1-2].
It suggests that the materials are ideal die materials.
Then, wear rate of materials is enhanced.
JQ201014) and Key Project of Chinese Ministry of Education (Grant No. 212097).
Online since: October 2006
Authors: Jing Feng Li, Huai Quan Zhang
Functionally Graded Electrode Materials for Thermoelectric Devices Jing-Feng Li 1,a and Huaiquan Zhang 2,b 1,2 State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, 100084, Beijing, P.
Copper (Cu) is used to connect the thermoelectric elements because it not only possesses good thermal and electrical conductivities, but also is easy to be jointed with other materials, e.g. thermoelectric materials.
This paper mainly reports the fabrication processes for both layered materials.
Li, Key Eng.
Key Eng.
Online since: October 2011
Authors: Han Zhao, Li Hong Zhu, Xiao Chen Yin, Li Jun Zhu, Liang Zhang
Kansei Engineering is a comprehensive interdisciplinary subject among the design, engineering and other disciplines.
Kansei Engineering can be classified into the following three fields.
Fiat and Mercedes-Benz all pay attention to Kansei Engineering.
New methods based on Kankei Engineering should be put forwarded.
Firstly, how to capture customer s’ feelings through Ergonomics and psychology evaluation is the key.
Online since: August 2014
Authors: En He Bao, Xue Zou
Different types cross section columns combination of multi-layer steel frames optimum design analysis ZOU Xue, Bao En-he* (Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering, Guilin University of Technology, Guilin 541004, China) Key words: multi-layer steel frame; column cross section type; inter-layer response values; engineering cost; Abstract: In order to study the feasibility of different types cross section columns combination of multi-layer steel frames optimum design, considering the basic cycle, the first layer shear-weight ratio, steel weight of structure and other factors to establish different types of models.
In Japan arithmetic model CM1 engineering cost the highest, because material fee per tone of box-section column is 1.5 higher than H-section column, and spend more on column-beam processing time and welding quantity.
Based on the above analysis, it is known that according to the reference[5]to calculate steel-frame construction engineering cost is conform to actual engineering.
Model CM1 has the lowest steel and engineering cost ,but Japan arithmetic general considering the component type, section type to decide material and process fee, and welding quality is been single calculated, engineering cost order is CM1,CM2,CM3,CM5,CM4.Model CM1 has the lowest steel and the highest engineering cost; On the whole, model CM4 which type is corner column is box-section column in the row X2 ,others is H-section column saving most.
Acknowledge Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering Project(KH2012YB027);Guangxi Natural Science Repatriation Fund (2011GXNSFC018004) References [1] Kequan Cai, Lizong Huang.
Online since: November 2016
Authors: De Weng Tang, Zhi Feng He, Xi Jian Lv, Cong Peng
The results show that metal material hardness is the key factors to residual stress.
Modern Manufacturing Engineering.2015(1): 78-80,124
OURNAL OF AERONAUTICAL MATERIALS, 2007(6): 45-49
Tool Engineering, 2006(3): 60-63
JOURNAL OF MECHANICAL ENGINEERING, 2012(11): 172-182
Online since: December 2010
Authors: Wen Yi, Yong He Wang, Rui Zhou
It is given analysis of the key issues of technology, and hopes to provide reference with the grouting reinforcement of engineering practice.
Grouting Materials and Their Application Cement material is the most widely used in grouting.
Nearly four decades, China has developed and applied a number of chemical pulp materials, which is shown in Table 1.
“Geotechnical engineering chemistry. ” Science Press.
Rock Mechanics and Engineering Journal,20 (6) ,839-841.
Online since: May 2012
Authors: Wen Ge Zhang, Hui Juan Yin, Nan Zhang
As far as the establishment layout and sequence of water-saving engineering was concerned, the establishment layout of water-saving engineering was converted from first the trunk canal lining, then the branch canal, the lateral canal and the field canal lining, last field engineering to the chip layout combining with the trunk canal, the branch canal, the lateral canal, the sub lateral canal, the field canal linings and field engineering.
Key problems of Yellow River water right transfer between two cities The problem of affecting the operation of irrigation area management departments because of water fee reduction The management departments of irrigation areas shoulder the important tasks to operate and maintain the engineering and allocate and manage the irrigation water.
As far as water-saving engineering are concerned, the impermeable linings of the canals are mainly the buried and laid membrane materials lining and concrete lining.
Considering water buyers, water buyers are mainly industrial enterprises such as electric power, heavy chemical industry, coal, new materials and the renewal and innovation period of the principal parts of them is fifteen to twenty-five years.
The principal parts of one project with approval must be finished with the corresponding water-saving engineering
Online since: September 2016
Authors: Atitaya Oonjai, Wassanai Wattanutchariya, Kittiya Thunsiri
Materials and Method Materials Preparation.
Yenbut: Advanced Materials Research Vols. 931-932 (2014), p. 301 [3] T.
Wattanutchariya: Advanced Materials Research Vol. 849 (2014), p. 151 [4] K.
Wattanutchariya: Key Engineering Materials Vols. 675-676 (2016), p. 459 [5] W.
Thunsiri: Applied Mechanics and Materials Vols. 675-676 (2015), p. 488 [6] S.V.
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