الهدف من هذه الدراسة هي تطوير نموذج استدلال ضبابي لتقدير تأثير أوامر التغيير
على مدة مشاريع التشييد في سوريا. بحيث يساعد على التوصل إلى التقدير الدقيق للزيادة
بمدة المشروع نتيجة التغيير و ذلك بفضل إمكانية التدرج الكبيرة بالتقدير التي يتمتع بها
المنطق الضبابي. و التي ساهمت بالتخفيف من الارتياب بتقييم العوامل و بالتالي بتخمين
مدة المشروع بعد التغيير.
The aim of this study is to develop a fuzzy inference model to
estimate the impact of change orders on the duration of
construction projects in Syria. This can help in obtaining the
optimal estimation of the increasing of the project duration caused
by the changes. The capability of gradient estimation of the fuzzy
logic approach reduces the distrust of estimation using factor
assessment. Also it estimates the duration of the project after any
change.via the experts evaluation or according to the crisp logic.
References used
Abu Neamah M "Causes And Effects Of Change Order On Construction Projects" King Fahd University Of Petroleum And Minerals College Of Environmental Design, 2011
Chao hui Wu, Ting ya Hsieh, and Wen lon Cheng, "Statistical Analysis of Causes for Design Change in Highway Construction on Taiwan," International Journal of Project Management, vol. 23, p. 554–563, 2005
FHWA (1999). Asset Management Primer [en ligne]. U.S. Department of Transportation-Federal HighwayAdministration Office of Asset Management, Disponiblesur : http://www.fhwa.dot.gov/infrastructure/asstmgmt/amprimer.pdf
Many studies have tried to determine the impact of change orders on the cost and
time of the project, which in turn leads to differences and disputes between contractors and
owners. Where change orders dealt with in various engineering projects.
T
Changes in construction projects are considered as prevalent phenomenon. Where,
most of projects face changes in drawings, specifications, work scope, or contractual
conditions.
The traditional construction followed in Syrian projects has a long t
Poor design is a major factor in reducing the overall performance of construction projects as well as being directly responsible for many projects cost overrun, delay and being plagued with rework,
variations and disputation.
This research discusse
Because of the increasing need to improve quality in construction projects, it is necessary to reduce and prevent reworks, and that is by understanding their roots and recognizing their causes. So this research studies reworking on local projects (Sy
An ANFIS controller also designed and a comparison
between proposed controller, ANFIS controller and open loop model
had made with different types of disturbance.