Civil Engineering (CiE): Recent submissions
Now showing items 361-380 of 392
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Geotechnical Site Characterization And Liquefaction Evaluation Using Intelligent Models
(2009-12-09)Site characterization is an important task in Geotechnical Engineering. In situ tests based on standard penetration test (SPT), cone penetration test (CPT) and shear wave velocity survey are popular among geotechnical ... -
Novel Sub-Optimal And Particle Filtering Strategies For Identification Of Nonlinear Structural Dynamical Systems
(2009-09-15)Development of dynamic state estimation techniques and their applications in problems of identification in structural engineering have been taken up. The thrust of the study has been the identification of structural systems ... -
Methods For Forward And Inverse Problems In Nonlinear And Stochastic Structural Dynamics
(2009-09-03)A main thrust of this thesis is to develop and explore linearization-based numeric-analytic integration techniques in the context of stochastically driven nonlinear oscillators of relevance in structural dynamics. ... -
Fracture Of Plain Concrete Beams Via Fractals
(2009-09-02)The quantitative description of rough fracture surfaces of concrete has been an important challenge for many years. Looking at the fracture surface of a concrete specimen, one realizes that the self-affine geometry of crack ... -
Localization Induced Base Isolation In Fractionally And Hysteretically Damped Nonlinear Systems
(2009-08-04)This Thesis comprises of two parts containing similar studies of Nonlinear Localization induced Base Isolation of structural systems. The present method of base isolation,like other nonlinear vibration isolation methods, ... -
A Study On Inelastic Response Of Multi-Storey Buildings To Near-field Ground Motions
(2009-07-21)With the advancement in knowledge of inelastic response of structures, the design and construction practices of reinforced concrete buildings have been changing worldwide. Most of the codes are incorporating the near-fault ... -
Grey Optimization For Uncertainty Modeling In Water Resources Systems
(2009-07-08)In this study, methodologies for modeling grey uncertainty in water resources systems are developed, specifically for the problems in two identified areas in water resources: waste load allocation in streams and floodplain ... -
Hydrologic Impacts Of Climate Change : Uncertainty Modeling
(2009-07-02)General Circulation Models (GCMs) are tools designed to simulate time series of climate variables globally, accounting for effects of greenhouse gases in the atmosphere. They attempt to represent the physical processes in ... -
Strength And Deformation Behaviour Of Jointed Rocks : An Equivalent Continuum Model
(2009-06-30)Most rock masses encountered in civil and mining engineering projects contain pre-existing discontinuities. These discontinuities weaken the rock masses to an extent, which depends very much on the size of engineering ... -
Inverse Sensitivity Methods In Linear Structural Damage Detection Using Vibration Data
(2009-06-29)The thesis addresses the problem of structural damage detection using inverse sensitivity based methods. The focus here is on characterization with regard to identification, location, and, quantification of structural ... -
Modelling Of Single And Multiple Recharge Wells In Layered Aquifers
(2009-05-06)Artificial recharge and rainwater harvesting methods are being applied for mitigating effects of groundwater depletions in severe over-drafting urban and rural situations. When the aquifer to be recharged is situated at ... -
Stochastic Analysis Of Flow And Solute Transport In Heterogeneous Porous Media Using Perturbation Approach
(2009-04-16)Analysis of flow and solute transport problem in porous media are affected by uncertainty inbuilt both in boundary conditions and spatial variability in system parameters. The experimental investigation reveals that the ... -
Studies On Shear Bond Strength - Masonry Compressive Strength Relationship And Finite Element Model For Prediction Of Masonry Compressive Strength
(2009-04-16)Masonry is a layered composite consisting of mortar and the masonry unit. Perfect bond between the masonry unit and the mortar is essential for the masonry to perform as one single entity in order to resist the stresses ... -
Influence Of Osmotic Suction On The Swell And Compression Behaviour Of Compacted Expansive Clays
(2008-11-03)Total suction of unsaturated soils is contributed by matric and osmotic suctions. Matric suction arises from capillary actions in the soil structure and varies with changes in moisture content of the soil. Pore fluid ... -
Swarm Intelligence And Evolutionary Computation For Single And Multiobjective Optimization In Water Resource Systems
(2008-10-03)Most of the real world problems in water resources involve nonlinear formulations in their solution construction. Obtaining optimal solutions for large scale nonlinear optimization problems is always a challenging task. ... -
Geotechnical Behaviour Of Soil Containing Mixed Layered Illite-Smectite Contaminated With Caustic Alkali
(2008-01-29)The aim of the thesis has been to evaluate and understand the effect of caustic alkali solution of varying composition on the behaviour of expansive soil containing mixed layered minerals. Mixed layered minerals are formed ... -
Stability Numbers For Slopes With Associated And Non-Associated Flow Rule And Shake Table Liquefaction Studies
(2007-10-23)Based upon the upper bound limit analysis, the stability numbers have been developed for a two-layered soil slope both for an associated flow rule material and for a homogeneous slope with non-associated flow rule material. ... -
Structural Analysis And Forecasting Of Annual Rainfall Series In India
(Indian Institute of Science, 2007-03-15)The objective of the present study is to forecast annual rainfall taking into account the periodicities and structure of the stochastic component. This study has six Chapters. Chapter 1 presents introduction to the ... -
Influence Of Joint Compliance On The Behaviour Of Space Structures
(Indian Institute of Science, 2007-03-06)Space structures are inevitable while covering large spans. Space structures are skeletal structures, which are lighter for the same stiffness when compared with RCC roofs. Till now, space structures, like any other metal ... -
Numerical Modeling Of Jointed Rock Mass
(Indian Institute of Science, 2007-02-28)The behavior of jointed rock mass is very complex and is influenced by many factors such as location of joints, joint frequency, joint orientation and joint strength. A thorough review of literature on different aspects ...