An investigation on the accuracy of numerical model utilizing a combination of linear behavioral model with a nonlinear on in the Taham Dam
- سال انتشار: 1394
- محل انتشار: دهمین کنگره بین المللی مهندسی عمران
- کد COI اختصاصی: ICCE10_0441
- زبان مقاله: انگلیسی
- تعداد مشاهده: 1014
نویسندگان
PhD candidate in soil mechanics in Graz University of Technology, Lecture in Islamic Azad University Tehran Jonoub branch
Associated Professor, Soil Conservation and Watershed Management Research Institute, Iran
چکیده
Studies over determining the behavior and modeling the rock fill dams have always been of great importance, because shows the behavior of a real dam and evaluating the behavior of such dams for organizing the principles of designing and introducing new experiences. The data of different monitoring instrumentations include of electric piezometers and pressure cells in different levels of the dam will be comparing. The recorded results of the monitoring system of the dam will evaluate. Based on the dominant facts over the project and by applying the technical features of the design and engineering interpretations, technical judgments and filtration will be doing over fine and possibly damaged (of no right function)instruments. Then based on mechanical parameters of the materials (according to the report of the design stage) and using code the behavior of the dam will be modeling. Numerical analysis is done by using different material models. Numerical analysis is done by using three material models: linear-elastic model, cam-clay model (combined with linear elastic model) and elastic-plastic model in two loading modes of: 1-whole loading process and 2-step- loading process. The body of the dam is considered in two forms of homogeneous and inhomogeneous. Comparing the results of the all models with observation data (summaries of instrumentations) shows that the use of elastic-plastic behavioral model is known to be as the best alternative, if done step-loading and considered as inhomogeneous material.کلیدواژه ها
rock-fill dams, monitoring, numerical modelingمقالات مرتبط جدید
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