This monograph describes various methods for solving deformation problems of particulate solids, taking the reader from analytical to computational methods. The book is the first to present the topic of linear elasticity in mathematical terms that will be familiar to anyone with a grounding in fluid mechanics. It incorporates the latest advances in computational algorithms for elliptic partial differential equations, and provides the groundwork for simulations on high performance parallel computers. Numerous exercises complement the theoretical discussions, and a related set of self-documented programs is available to readers with Internet access. The work will be of interest to advanced students and practicing researchers in mechanical engineering, chemical engineering, applied physics, computational methods, and developers of numerical modeling software.
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Volcanic Rock Mechanics: Rock Mechanics and Geo-engineering in Volcanic Environments
Author: Claudio Olalla, Luis E. Hernandez, Jose Antonio Rodriguez-Losada, Áurea Perucho, Javier González-Gallego | Size: 25 MB | Format:PDF | Quality:Unspecified | Publisher: CRC Press | Year: 2010 | Pages: 368 | ISBN: 9780415584784, 9780203842386, 0415584787
Features:
A comprehensive collection of the most relevant topics related to rock mechanics and geo-engineering in volcanic environments, including: geomechanical characterization of volcanic materials; instabilities in volcanic islands: slope stability, large landslides and collapse phenomena; geoengineering and infrastructures in volcanic environments.
Summary:
Volcanic Rock Mechanics includes papers and special lectures of the 3rd International Workshop on Volcanic Rocks, Rock Mechanics and Geo-Engineering in Volcanic Environments, which was held within the framework of the Congress “Cities on Volcanoes6-Tenerife 2010” (Puerto de la Cruz, Tenerife, Spain, 31 May – 4 June 2010). The book is a comprehensive collection of the most relevant topics related to rock mechanics and geo-engineering in volcanic environments, including:
- Geomechanical characterization of volcanic materials;
- Instabilities in volcanic islands: Slope stability, large landslides and collapse phenomena;
- Geoengineering and infrastructures in volcanic environments;
- Construction materials.
Volcanic Rock Mechanics is of interests to academics, engineers, consultants, designers, contractors and professionals involved in rock mechanics and geo-engineering in volcanic environments.
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Applied Plasticity, Second Edition, covers advanced topics in plasticity comprehensively and in detail. This new edition has been updated throughout and includes a large set of homework problems for each chapter, making it ideal for classroom use.
Features include:
Covers advanced topics in plasticity
Includes a new chapter on the Finite Element Method
Includes updates throughout based on recent research and developments
Includes a new section on the yield line theory for the plastic collapse of plates
Includes new homework problems within the book and separate solutions manual
All relevant topics are covered, including the mathematical theory of plasticity, the theory of plane plastic stress, the axially symmetrical plastic state, the plastic behavior of plates and shells, the plasticity of metal forming processes, the theory of buckling in the plastic range, topics in dynamic plasticity, and the finite element method.
Features of the new edition include:
A full chapter on the Finite Element Method, previously published as an appendix;
A new section on yield line theory for plate bending, including the estimation of upper bounds on the limit load;
Updated chapters throughout to reflect recent advances and new developments in the field;
Homework problems for chapters one through eight;
A solutions manual available to professors;
Fully updated references.
Applied Plasticity, Second Edition, is appropriate for use by graduate students studying mechanical, civil, and structural engineering, as well as applied mechanics, and will also serve as a useful reference for engineers working in these fields.
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Hi guys,
Please I need the following papers, thanks in advance.
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Author: J. C. Smith | Size: 21 MB | Format:PDF | Quality:Unspecified | Publisher: Wiley | Year: 1996 | pages: 560 | ISBN: 0-471-10693-3, 9780471106937
When it first appeared in 1988, J. C. Smith's Structural Steel Design was truly a landmark volume -- The second edition provides accurate page references to material cited from the LRFD Manual and Specifications. Now it's been updated to include the new (1993) LRFD Specifications
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This publication provides a concise compilation of selected rules in the Eurocode 8, together with relevant Cyprus National Annex, that relate to the design of common forms of concrete building structure in the South Europe. Rules from EN 1998-1-1 for global analysis, regularity criteria, type of analysis and verification checks are presented. Detail design rules for concrete beam, column and shear wall, from EN 1998-1-1 and EN1992-1-1 are presented. This guide covers the design of orthodox members in concrete frames. It does not cover design rules for steel frames. Certain practical limitations are given to the scope.
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SEISMIC RETROFIT OF RECTANGULAR BRIDGE COLUMNS USING CFRP WRAPPING
Author: MESAY ABEBAW ENDESHAW | Size: 2.2 MB | Format:PDF | Quality:Unspecified | Publisher: WASHINGTON STATE UNIVERSITY Department of Civil and Environmental Engineering MAY 2008 | Year: 2008 | pages: 88
This study investigated retrofitting measures for improving the seismic performance of rectangular columns in existing bridges. Experimental tests were conducted on 0.4-scale column specimens which incorporated details that were selected
to represent deficiencies present in older bridges in Washington State. Two unretrofitted specimens were tested to examine the performance of the as-built columns incorporating lap splices at the base of the columns and deficient transverse reinforcement. Five columns were retrofitted with carbon fiber reinforced polymer (CFRP) composite wrapping and one specimen was retrofitted with a steel jacket. The specimens were subjected to increasing levels of cycled lateral displacements under constant axial load.
Specimen performance was evaluated based on failure mode, displacement ductility
capacity and hysteretic behavior.
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Seismic retrofit of masonry buildings with polymer grid
Author: A. Dusi & E. Manzoni Numeria Consulting Srl, Cremona, Italy. M. Mezzi Department of Civil and Environmental Engineering, University of Perugia, Perugia, Italy. G. Stevens Maccaferri NZ Ltd, Penrose, Auckland, New Zealand. | Size: 622 KB | Format:PDF | Quality:Unspecified | Publisher: roceedings of the Ninth Pacific Conference on Earthquake Engineering Building an Earthquake-Resilient Society 14-16 April, 2011, Auckland, New Zealand | Year: 2011 | pages: 8
The performance of masonry walls reinforced using innovative polymer grids embedded into thin plaster layers as a tools for the seismic enhancement of brick masonry buildings have been investigated by experimental tests. A number of diagonal compression, shear compression and out-of-plane tests were executed on sample panels; experimental activities included pseudo-dynamic and shaking table tests on infills and reduced scaled building mock-ups, respectively. The results of the experimental activities are presented and discussed. Experimental campaigns have been supported by theoretical and numerical investigations; based on the experimental data and on the results of detailed numerical simulations, simplified models to be used as tools for the design of the retrofitting intervention are hereinafter proposed. The models, calibrated on the experimental evidence, properly consider the collapse mechanisms as well as the grid
effect in the evolution of the above mentioned mechanisms.
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Performance-Based Seismic Retrofit Strategy for Existing Reinforced Concrete Frame Systems Using Fiber-Reinforced Polymer Composites
Author: Stefano Pampanin ; Davide Bolognini ; and Alberto Pavese | Size: 2.2 MB | Format:PDF | Quality:Unspecified | Publisher: Univ. of Canterbury, Christchurch, New Zealand. | Year: 2007 | pages: 16
The feasibility and efficiency of a seismic retrofit intervention using externally bonded fiber-reinforced polymer composites on
existing reinforced concrete frame systems, designed prior to the introduction of modern standard seismic design code provisions in the mid-1970s, are herein presented, based on analytical and experimental investigations on beam-column joint subassemblies and frame systems. A multilevel retrofit strategy, following hierarchy of strength considerations, is adopted to achieve the desired performance. The expected sequence of events is visualized through capacity-demand curves within M-N performance domains. An analytical procedure
able to predict the enhanced nonlinear behavior of the panel zone region, due to the application of CFRP laminates, in terms of shear strength .principal stresses. versus shear deformation, has been developed and is herein proposed as a fundamental step for the definition of a proper retrofit solution. The experimental results from quasistatic tests on beam-column subassemblies, either interior and exterior, and on three-storey three-bay frame systems in their as-built and CFRP retrofitted configurations, provided very satisfactory confirmation
of the viability and reliability of the adopted retrofit solution as well as of the proposed analytical procedure to predict the actual sequence
of events.
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Reinforced concrete columns with non-seismic detailing are often vulnerable to the effects of a major earthquake.
In this study, the structural behaviour of undamaged and moderately damaged columns, which were retrofitted
with carbon fiber reinforced polymers (CFRP) is investigated. The experimental program consists of four
specimens having inadequate tie spacing, 90 degree hooks and plain reinforcing bars that were tested under
lateral cyclic displacement excursions under a constant axial load of approximately 27% of the axial load
carrying capacity. One reference specimen without any strengthening and one strengthened specimen with
strengthening but without any pre-damage were tested. In addition, two similar specimens tested to moderate
damage level of 2% drift ratio were repaired and retested. In one of the pre-damaged columns the repairing
process was performed in the presence of constant axial load. The main parameters investigated in this study
were the presence of axial load on the column during repairing, effect of pre-damage on ultimate displacements
and the effect of CFRP wrapping on strengthened and repaired columns. The ultimate drift ratio for retrofitted
columns increased to 6% which was only 3.5% for the reference column. Severe stiffness degradation was
observed in both of the repaired columns due to the moderate level of pre-damage. For the repaired columns, the
presence of the axial load during repairing did not significantly affect the ultimate drift ratio significantly
however the enhancement in strength was not observed as compared to its companion specimen.
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