Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method

Concrete faced rock fill dam has been increasingly popular among dam engineers due to their inherent advantages over other type of dams. The construction of concrete faced rockfill dam has been conducted in full swing in recent years. But still there is some crucial problems needed further invest...

Full description

Saved in:
Bibliographic Details
Main Author: Al-Obaidi, Fayda F.
Format: Thesis
Language:English
English
Published: 2005
Subjects:
Online Access:http://psasir.upm.edu.my/id/eprint/6010/1/FK_2005_18.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-upm-ir.6010
record_format uketd_dc
spelling my-upm-ir.60102023-01-04T08:18:10Z Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method 2005-10 Al-Obaidi, Fayda F. Concrete faced rock fill dam has been increasingly popular among dam engineers due to their inherent advantages over other type of dams. The construction of concrete faced rockfill dam has been conducted in full swing in recent years. But still there is some crucial problems needed further investigation. In this study an attempt has been made to investigate various aspects related to the structural analysis of concrete face rockfill dams, this involved, physical modelling, constitutive modelling, effect of concrete slab and simulation of sequence of construction. To model sequential stages of construction of concrete faced rockfill dam the Dead- Birth-Ghost element technique was used. The physical modeling was carried out using finite-infinite elements to represent bedding media, eight and six noded isoparametric elements were used for modeling the dam body and the concrete face respectively. Moreover the interfacial behavior between the concrete face and the body of the dam was modeled using interface element. The constitutive modeling has body of the dam was modeled using interface element. The constitutive modeling has been accounted by employing the hyperbolic nonlinear elastic model. So based on the above physical and material modeling a two dimension linear and nonlinear finite element program with different type of isoparametric elements was written. The verification of the program was well established by analyzing certain bench mark examples. The applicability of the above program has been illustrated by analyzing two concrete faced rockfill dam namely; Kavar dam currently under construction in Iran (53.5 m), and Bakun dam currently under construction in the state of Sarawak Malaysia (205 m). The results indicates that the sequences of construction, reservoir filling and nonlinear material behavior have significant effects on the structural response of the dam in terms of displacement and stresses and need to be considered for accurate prediction of the structural behavior of the dam and focuses on the effect of face slab on the distribution of deformation and stresses developed due to the static loading including gravitation and reservoir loading. Concrete dams - Structural analysis (Engineering) - Case studies 2005-10 Thesis http://psasir.upm.edu.my/id/eprint/6010/ http://psasir.upm.edu.my/id/eprint/6010/1/FK_2005_18.pdf text en public masters Universiti Putra Malaysia Concrete dams - Structural analysis (Engineering) - Case studies Engineering English
institution Universiti Putra Malaysia
collection PSAS Institutional Repository
language English
English
topic Concrete dams - Structural analysis (Engineering) - Case studies


spellingShingle Concrete dams - Structural analysis (Engineering) - Case studies


Al-Obaidi, Fayda F.
Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method
description Concrete faced rock fill dam has been increasingly popular among dam engineers due to their inherent advantages over other type of dams. The construction of concrete faced rockfill dam has been conducted in full swing in recent years. But still there is some crucial problems needed further investigation. In this study an attempt has been made to investigate various aspects related to the structural analysis of concrete face rockfill dams, this involved, physical modelling, constitutive modelling, effect of concrete slab and simulation of sequence of construction. To model sequential stages of construction of concrete faced rockfill dam the Dead- Birth-Ghost element technique was used. The physical modeling was carried out using finite-infinite elements to represent bedding media, eight and six noded isoparametric elements were used for modeling the dam body and the concrete face respectively. Moreover the interfacial behavior between the concrete face and the body of the dam was modeled using interface element. The constitutive modeling has body of the dam was modeled using interface element. The constitutive modeling has been accounted by employing the hyperbolic nonlinear elastic model. So based on the above physical and material modeling a two dimension linear and nonlinear finite element program with different type of isoparametric elements was written. The verification of the program was well established by analyzing certain bench mark examples. The applicability of the above program has been illustrated by analyzing two concrete faced rockfill dam namely; Kavar dam currently under construction in Iran (53.5 m), and Bakun dam currently under construction in the state of Sarawak Malaysia (205 m). The results indicates that the sequences of construction, reservoir filling and nonlinear material behavior have significant effects on the structural response of the dam in terms of displacement and stresses and need to be considered for accurate prediction of the structural behavior of the dam and focuses on the effect of face slab on the distribution of deformation and stresses developed due to the static loading including gravitation and reservoir loading.
format Thesis
qualification_level Master's degree
author Al-Obaidi, Fayda F.
author_facet Al-Obaidi, Fayda F.
author_sort Al-Obaidi, Fayda F.
title Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method
title_short Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method
title_full Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method
title_fullStr Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method
title_full_unstemmed Studying Structural Behavior of Concrete Faced Rockfill Dam Using Finite Element Method
title_sort studying structural behavior of concrete faced rockfill dam using finite element method
granting_institution Universiti Putra Malaysia
granting_department Engineering
publishDate 2005
url http://psasir.upm.edu.my/id/eprint/6010/1/FK_2005_18.pdf
_version_ 1776100247560257536