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Online since: January 2012
Authors: Kang Xu, Si Yuan Wang, Xiao Yong Li, Li Jun Cao
Such four parts as the foundation engineering, the structural engineering, the decoration engineering and the roofing engineering are taken as the value object of study.
Collection Material Basic Data: This engineering project construction standard, project characteristic and so on.
Technical Data: This engineering project design document, construction organization plan, additional document by each kind of needed materials specification and quality technology target and so on.
Economic Data: Construction drawing budget, construction budget, cost plan and manpower and materials machine expense clear and so on, including: · Folk recipe and foundation engineering cost · Main body structural engineering cost · Costs and so on roofing waterproofing and heat insulation · Decoration repair project cost Functional Analysis and Appraises.
The structural engineering c.
Online since: November 2012
Authors: Yong Xiang Gao
Modeling and Numerical Control Machining of the Mould of a Rearview Mirror of a Motorcycle Based on the Reverse Engineering Technology Yongxiang Gao School of Mechanical EngineeringZheJiang Institute of Mechanical and Electrical Engineering Hangzhou,China 99242698@qq.com Keywords: Reverse Engineering; Data Measurement; Reverse Modeling; Mold Splitting; Numerical Control Machining Abstract.
The Reverse Engineering Technology (RET) is extensively employed in the realm of product designing.
The process includes three procedures: data measurement, surface reconstruction and product processing, among which CAD surface construction procedure is a key step but also a bottleneck problem affecting the speed of the Reverse Engineering project.
The flow chart of Reverse Engineering is shown in Fig 1.
Flow Chart of Reverse Engineering This paper, taking the machining and manufacturing of the mould of the rearview mirror of a motorcycle as an example, illustrated the application of UG software in the key technology of Reverse Engineering.
Online since: April 2012
Authors: Qiang Wang
Introduction In recent years, the role of numerical simulation in engineering and manufacturing industry has been continuously increasing.
Due to the development in the methods of simulation and computational facilities, simulation has become an everyday tool in engineering practices.
FE models that were prepared under the guidance of engineering experience are more accurate.
[4] Dong Hongzhi and Lin Zhongqin: Journal of Materials Processing Technology Vol. 103 (2000), p. 404-405
Takamura: Journal of Materials Processing Technology Vol. 173 (2006), p.178-184
Online since: May 2013
Authors: Ling Feng Li
Material selection and sizes optimization of casing material for high-temperature natural gas well Ling-feng LI 1, a 1 Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Petroleum Engineering College of Yangtze University,Wuhan, China a lilfeng_cn@yahoo.com.cn, Keywords: material selection; casing material; sizes optimization; gas well; high-temperature Abstract.
In natural gas production engineering for high-temperature gas well, material selection and sizes optimization of casing material are one of the important phases.
Material selection and sizes optimization of casing material for high-temperature gas well play a key role.
[5] Shilun Li: Natural Gas Engineering (Petroleum Industry Press, China 2008) (In Chinese)
[9] NACE Standard MR 0175-95, Sulfide Stress Cracking Resistant Metallic Materials for Oil Equipment.
Online since: May 2013
Authors: Ling Feng Li
Research on material selection and sizes optimization of casing material for fracturing wells under existence of brine corrosion Ling-feng LI 1, a 1 Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Petroleum Engineering College of Yangtze University,Wuhan, China a lilfeng_cn@yahoo.com.cn, Keywords: material selection; casing material;structure; sizes optimization; heavy oil thermal recovery wells Abstract.
The designing level of material selection and sizes optimization of casing material for fracturing wells under existence of brine corrosion play a key role in the expected production target to fracturing wells.
References [1] Wan Renpu: Advanced Well Completion Engineering (Gulf Professional Publishing, U.S. 2011)
[4] Yingchuan Li, et al.: Petroleum Production Engineering, Petroleum Industry Press, Beijing, 2001 (in Chinese)
[7] Liu Yuzhang, Zheng Junde, Progress of Petroleum Production Engineering, Petroleum Industry Press, Beijing, 2006 (in Chinese).
Online since: June 2012
Authors: Yong Ze Fang, Xiao Xi Guo, Jian Hai Chen
An engineering change is costly and time consuming.
The characteristics of an engineering change were demonstrated; the data model was set up for supporting engineering change analysis; the method for analyzing engineering change propagation was proposed.
Mak: Journal of Materials Processing Technology.
Fang: Journal of Engineering Graphics.
Mak: Journal of Materials Processing Technology.
Online since: September 2011
Authors: Er Yu Zhu, Li Zhu, Tian Xing Cheng, Xiao Yin Lv, Yong Zheng Zhou
Experimental Research on Using Heat Shrinkable Material to Protect Prestressed Anchor Li Zhu1,a, Tianxing Cheng2,b, Eryu Zhu1,c, Xiaoyin Lv1,d, Yongzheng Zhou1,e 1School of Civil Engineering, Beijing Jiaotong University, Beijing 100044,China 2 Department of Civil Engineering, Tsinghua University, Beijing 100084, China a08231061@bjtu.edu.cn, bhk_cheng@126.com, ceyzhu@263.net, dlvxiaoyin@yahoo.cn, ezyz_zhou@sina.com Keywords: prestress engineering, prestressed anchor, heat shrinkable material, sealing technology of anchor, electrical insulation, sealing, anti-stripping, durability Abstract.
Anchor is the key component for force transmission of prestressed structure.
Principle of heat shrinkable material protection to anchors Heat shrinkable materials, also known as shape-memory polymers, is made by cross-linked polymer network structure with new link keys formation among polymer chains after high-energy radiation treatment or chemical treatment of initiator to the polymer crystallization.
The preparation of test materials.
(In Chinese) [16] Petroleum Engineering building construction standard committee: SY / T 4054, (2003).
Online since: September 2009
Authors: Li Na Si, Yu Fu Wang, Zhi Huang, Yun Huang
The Key Technologies of Belt Grinding of Glass Fiber Reinforced Plastic Composite Lina Si1,a , Yun Huang1,2,b , Zhi Huang1,2,c and Yufu Wang1,d 1 College of Mechanical Engineering, Chongqing University, Chongqing, P.R.
China, 400044 2 Chongqing Engineering Reserch Center for Material Surface Precision Machining and Whole Set Equipment,Chongqing University, Chongqing, P.R.
In theory, the key reasons for this phenomenon may be: ⑴ belt (material, size, binders); ⑵ round of contacts trough; ⑶ round of the hardness of contact.
Although the small amount of protrusion of the abrasive belt was shallow, however, due to more abrasive at the same time to participate in the work, a higher rate of removal of materials, and the better surface quality.
Huang: Modern Abrasive Belt Grinding and Engineering Applications (Chongqing University Publications, China 2008).
Online since: January 2012
Authors: Hong Yuan Zhang, Ying Hong Liu
A Study on Duration – Cost Information System of Water Conservancy and Hydropower Engineering Hongyuan Zhang Changchun Institute of Technology (130012), Jilin of China Zhanghongyuan1970@126.com Yinghong Liu Changchun City Experimental High School (130000) Jilin of China pronounce@eyou.com Key Words: PROJECT Software; Water Conservancy and Hydropower Engineering;Duration Cost Abstract.
Construction Engineering Project Management [M].
Construction Engineering Project Management [M].
Construction Engineering Project Management [M].
Engineering Construction Project Management [M].
Online since: August 2013
Authors: Jie Rui, Bing Wang, Guo Ming Li, Zong Ren Wang
A Discussion about Construction Techniques to Improve Durability of Concrete Bridges in Apline Regions JIE RUI1a GUOMING LI2b BING WANG3c ZONGREN WANG4d 1 2 3 4 Road &Bridge international CO.LTD,Beijing,100027, P.R.China a Email: 549600656@qq.com b Email: 591918753@qq.com c Email: 249256241@qq.com d Email: 27657570@qq.com Key words: alpine regions, durability, construction key technology Abstract: Based on the discussion of the quality control and management requirements for the concrete raw materials, the raw materials preservation heat in the mixing concrete process and the note in the process of transportation with the requirements both in concrete casting process and the casting vibrating process, the paper proposes the construction key technology of improving the durability of the concrete in alpine region. 1.
Concrete materials, reinforced, templates and Stockyard in contact with the concrete ground shall the temperature is too low.
The raw materials of concrete quality control and strict management requirements; 2.
Raw materials for thermal insulation in concrete mixing process heating, but should not be more than 60 ℃; 3.
Zhejiang University (Engineering Science), 2002, 36 (4): 371-80.
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