2021 ◽  
Vol 283 ◽  
pp. 02011
Author(s):  
Zhang Yu

With the advancement and strengthening of urbanization, supercities are continually emerging; however, the traffic problems that accompany this growth actually hinder urban development. Thus, construction of an urban underground rail transit system is an important civil project for utilization of urban underground space. In particular, numerous railway and tunnel projects have been implemented in China during the past few decades with great progress made in rail transit construction technology. Nonetheless, many technical challenges have also been encountered in areas of design, construction, safe operation, and maintenance. To examine such problems, the Phase I project of China’s Chengdu Metro Line 17 is comprehensively analyzed as a case study, and an in-depth discussion is given on the construction technology and technical management practices. The data obtained in the management process are classified and archived to form a complete dataset of technical project management. After the project is completed, the experience and lessons in technical management will be summarized to form reference material for similar projects in the future.


2010 ◽  
Author(s):  
Ming-Te Wang ◽  
Thomas J. Dishion ◽  
Elizabeth A. Stormshak ◽  
John Willett

2011 ◽  
Vol 39 (02) ◽  
pp. 95-100
Author(s):  
J. C. van Veersen ◽  
O. Sampimon ◽  
R. G. Olde Riekerink ◽  
T. J. G. Lam

SummaryIn this article an on-farm monitoring approach on udder health is presented. Monitoring of udder health consists of regular collection and analysis of data and of the regular evaluation of management practices. The ultimate goal is to manage critical control points in udder health management, such as hygiene, body condition, teat ends and treatments, in such a way that results (udder health parameters) are always optimal. Mastitis, however, is a multifactorial disease, and in real life it is not possible to fully prevent all mastitis problems. Therefore udder health data are also monitored with the goal to pick up deviations before they lead to (clinical) problems. By quantifying udder health data and management, a farm is approached as a business, with much attention for efficiency, thought over processes, clear agreements and goals, and including evaluation of processes and results. The whole approach starts with setting SMART (Specific, Measurable, Acceptable, Realistic, Time-bound) goals, followed by an action plan to realize these goals.


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