2 edition of Nonlinear finite element analysis of stresses and movements in Oroville dam found in the catalog.
Nonlinear finite element analysis of stresses and movements in Oroville dam
Fred Howard Kulhawy
by University of California, Office of Research Services in Berkeley, Cal
Written in English
|Statement||by F.H. Kulhawy and J.M. Duncan.|
|Series||Report no. TE-70-2|
|Contributions||Duncan, J. M.|
|The Physical Object|
|Number of Pages||69|
NON-LINEAR PLANE STRESS ANALYSIS USING THE FINITE ELEMENT METHOD BY HABIB AMIRZADEH B.S., University of Central Florida, RESEARCH REPORT Submitted in partial fulfillment of the requirements for the degree of Master of Science in Engineering in the Graduate Studies Program of the College of EngineeringAuthor: Habib Amirzadeh. The maximum lateral soil movements generally ranged from to mm, except for inclinometer I11A, for which the maximum lateral soil movement was only mm. The movement patterns shown in Fig. also suggest that shear deformation occurred at a depth corresponding to the jet grouted zone.
Introduction to Stress Linearization. In the finite element method, when structural elements are used in an analysis, the total stress distribution is obtained. Therefore, to produce membrane and bending stresses, the total stress distribution shall be linearized on a stress component basis and used to calculate the equivalent stresses. surfaces. The results of the finite element model analysis contained herein are compared to hand calculations. Based on these results, a finite element analysis should be used if a greater level of detail is required for the analysis of the rail-wheel contact. KEYWORDS: Contact stresses, UIC, IRS-T12, ANSYS INTRODUCTION.
Samer Adeeb Finite Element Analysis: Examples and Problems Comparison of Different Elements Behaviour Under Bending. To compare the different elements described earlier, the simply supported beam with the distributed load shown in Figure 1 was modelled in the finite element analysis software ABAQUS with various different element types. The beam is . PROCESSES OF FINITE ELEMENT ANALYSIS Kij × uj= fi () Where u and f are the displacements and externally applied forces at nodal points Post-processing: In the earlier days of finite element analysis, the user would pore through realms of numbers generated by the code, listing displacements and stresses at discrete positions within the model.
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Stresses and movements in oroville dam. oroville dam, presently the world's highest embankment dam, was well-instrumented with several types of instrumentation to monitor its construction behavior. the results obtained from the instrumentation clearly indicated that the embankment performed very well with only small amounts of by: Core stresses in Oroville dam (after Kulhawy and Duncan, ).
Nonlinear FEA. Core stresses in El Infiernillo dam. Nonlinear FEA. Core stresses in Mica dam. Nonlinear Fea. Core stresses in Lower Van Norman dani (after Valera and Chen, ). Ncnlinear FEA. Core stresses fro parametric study (after Kulhawy and Gurtowski, ).
Based on Duncan-Chang’s E-B constitutive material model, the finite element calculating model for a CFRD was established, and has obtained the stress-strain distribution and variety rule at the dam and the face slab in construction period and water store period.
The calculation results show that: the stress-deformation behavior of the dam is normal, the deformation values within the Author: Shu Yun Ding, Zhi Quan Huang, Shi Ming Yu. Material Properties and Finite Element ModeI For both finite element procedures employed herein for the analysis of the dam during construction, the properties of the rockfill material used for the Oroville dam  form the basis for evaluation of the required para- by: Stresses and Movements in Oroville Dam - Free download as PDF File .pdf), Text File .txt) or read online for free.
This dam is filled by hydraulic fill material at the centre of the dam. The static analysis gives a factor of safety more than unity and stresses are within permissible limit but after earthquake. In nonlinear finite element analysis of concrete structures, two of the most important issues are the constitutive relationship of concrete and the nonlinear analysis process (especially cracking model).Cited by: 3.
The finite element analysis considers cracking as well as strain hardening and softening in the pre- and post-failure region, respectively. The aim is to attain a clear insight into structural Author: Niels Saabye Ottosen. Depending upon the application, the element may be thought of as a truss element, a cable element, a link element, a spring element, etc.
The three-dimensional spar element is a uniaxial tension-compression element with three degrees of freedom at each node: translations in the nodal x, y, and z directions. Initial stress: It is usually important to consider the initial stress state for a soil body. Currently, the software provides two types of initial stress states.
stresses and movements in oroville dam. A DISCUSSION The authors of the paper affirm that material property evaluation is one of the most important aspects of a logically conducted finite element analysis for an earth embankment.
Stresses and Movements in Oroville Dam. Oroville Dam, presently the world's highest embankment dam, was well-instrumented with several types of instrumentation to monitor its construction behavior. The results obtained from the instrumentation clearly indicated that the embankment performed very well with only small amounts of by: ABSTRACT: The aim of this investigation is to study the static stress strain behavior of a zoned core earth.
fill dam. Due to lack of suitable clay materials, the Mamloo dam is designed as zoned core that is composed. of three vertical zones including central lean clay (CL) and two sides clayey gravel (GC) layers.
F.H. Kulhawy, J.M. Duncan, SeedNonlinear finite element analysis of stress and movements in the Oroville by: 7. Naylor, D.J. () ‘Static analysis of embankment dams: a finite element perspective’, Dam Engineering, Vol. 1 (Issue 2), 79– Google Scholar Naylor, D.J., Knight, D.J.
and Ding, D. () ‘Coupled consolidation analysis of the construction and subsequent performance of Monasavu Dam’, Computers and Geotechnics 6 (special issue on Cited by: 7. A number of plane strain finite element analyses were performed on a somewhat simplified structure-foundation combination, each analysis investigating a possible solution to the problem.
The first analysis, that of the embankment on its foundation, proved that minimum principal stress values close to zero could be expected next to one of the. Nonlinear Finite Element - Free download as Powerpoint Presentation .ppt /.pptx), PDF File .pdf), Text File .txt) or view presentation slides online.
Scribd is the world's largest social reading and publishing site. The movement of a fluid in the liquid-filled tanks under earthquake loading can be described by large surface movements and depends on the movement of the surrounding structure.
To check the discrete tank model, an eigenfrequency analysis is Author: M. Brüggemann, R. Harte, W. Zahlten. in the dam at various times in its life. The Static stress-strain analysis is also used for definition of zones that are susceptible of cracking (Lowe).
Nonlinear finite element analysis (FEA) of RC beam-column connections is performed in order to investigate the joint shear failure mode in terms of joint shear capacity, defor-mations and cracking pattern.
A 3D finite element model capable of appropriately modeling the concrete stress-strain behavior, tensile cracking and compressive damage of Cited by: 7.
Strength, Stress-Strain and Bulk Modulus Parameters for Finite Element Analyses of Stresses and Movements in Soil Masses - Duncan - Free download as PDF File .pdf), Text File .txt) or read online for free.5/5(1).Solution Methods for Nonlinear Finite Element Analysis (NFEA) The constitutive relation that relates strain and stresses, C, is nonlinear when the material no longer may be expressed in term s of e.g.
Hooke’s generalized law: Geilo element stresses ext intFile Size: 1MB.The three-dimentional finite element analysis is adopted to simulate and cauculate the stresses and deformations of a certain core rockfill dam on narrow velley, with Duncan-Chang E-ν model during its completion and operation periods by incremental loading.
The results show that the stresses and deformations of core rockfill dam on narrow velley are allowble and the design Author: Fu Yong Chu.