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This report presents the design and evaluation of a seismic isolation system for Mashad Crisis Centre.
Design is generally in accordance with the United States Uniform Building Code (UBC) except for parameters such as level of seismic load which are taken from the Iranian earthquake code.
The building is a 1 storey with 1 basement floor structure. Details of the building layout and structural system are provided in a separate report.
The design process for the seismic isolation system was iterative, with a number of configurations and isolation system designs considered. This report details only the final isolation system selected.
The structural design was based on an equivalent linear elastic analysis using the computer program ETABS.
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In a club all people dance and a level bellow in a parking there can be seen the slab and beams how much they are vibrating.
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Author: John Stephenson | Size: 20.38 MB | Format:PDF | Quality:Original preprint | Publisher: Taylor & Francis | Year: 2000 | pages: 560 | ISBN: 9780419234302
This fully revised essential reference takes into account all important aspects of building control, including new legislation up to Spring 2000 with important revisions to parts B, K, M and N. Each chapter explains the approved document. Publication lists and relevant sources
of information are also included, together with annexes devoted to legislation relevant to the construction industry, determinations made by the Secretary of State and sample check lists.
Building Regulations Explained will be of wide appeal to architects, planners, surveyors, builders, building control professionals (including new non-NHBC approved inspectors), regulators and students.
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This specification covers lime putty products made from
hydrated lime or quicklime products. Lime putty is suitable for
use in masonry, plaster and stucco applications.
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I need this paper:
Geotechnical characterization of a river dyke by surface waves surface waves
Lutz Karl, Thomas Fechner, Mattias Schevenels, Stijn François and Geert Degrande
Near Surface Geophysics Vol 9, No 6, December 2011 pp. 515 - 527
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Substantially revised and updated, Computer Methods for Engineering with MATLAB® Applications, Second Edition presents equations to describe engineering processes and systems. It includes computer methods for solving these equations and discusses the nature and validity of the numerical results for a variety of engineering problems. This edition now uses MATLAB in its discussions of computer solution.
New to the Second Edition
Recent advances in computational software and hardware
A large number of MATLAB commands and programs for solving exercises and to encourage students to develop their own computer programs for specific problems
Additional exercises and examples in all chapters
New and updated references
The text follows a systematic approach for obtaining physically realistic, valid, and accurate results through numerical modeling. It employs examples from many engineering areas to explain the elements involved in the numerical solution and make the presentation relevant and interesting. It also incorporates a wealth of solved exercises to supplement the discussion and illustrate the ideas and methods presented. The book shows how a computational approach can provide physical insight and obtain inputs for the analysis and design of practical engineering systems.
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FINITE ELEMENT ANALYSIS OF SKEW-CURVED RC BOX GIRDER BRIDGES
Author: Vishhal S. Jawanjal and Manoj Kumar | Size: 194 KB | Format:PDF | Quality:Original preprint | Publisher: Birla Institute of Technology & Science, Pilani | Year: 2006 | pages: 8
Bridges are the key elements in any road network. Use of box girder bridges is gaining
popularity in bridge engineering fraternity because of its better stability, serviceability,
economy, aesthetic appearance and structural efficiency. Its rigidity against torsion under
asymmetrical loads makes it an optimum choice for bridges curved in plan or elevation.
The curved and skew box-girder bridges are common sight nowadays, however, some
times the site situation demands to go for intricate spans geometries such as skewedcurved
spans. The present paper deals with the Finite Element Analysis of simply
supported box-girder bridge curved in plan with skewed supports. In this study the finite
element analysis has been carried out using the 9-node degenerated shell element,
however, the geometry of the bridge has been modeled with the help of STAAD Pro. In
order to study the behavior of skewed-curved box-girder bridge, a 20m span Reinforced
Concrete (RC) bridge has been considered and the degrees of curvature and skewness has
been varied to study the effect of curvature and skewness on deflection, longitudinal
bending stress and shear lag.
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the only report on floor seismic isolation i found on the net.
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Author: Tushar V. Ugale, Bhavesh A. Patel and H. V. Mojidra | Size: 192 KB | Format:PDF | Quality:Original preprint | Year: 2006 | pages: 10
In recent years, single or multi – cell reinforced concrete box girder bridges have
been widely used as economic and aesthetic solution for today’s highway systems. The
main advantage of this type of bridge lies in the high rigidity in torsion. This is due to the
closed box–section and convenience in varying the depth along the span. High torsion
stiffness gives them better stability and load distribution characteristics and also makes
this form particularly suitable for Grade separations. This hollow section also can be used
to accommodate services and has added advantage of less weight.
This paper includes methods available for analysis of Multi cell box girder and
the parametric studies for alternatives of multi cell with three, four, and five cells have
been incorporated. Study also includes effect on multi cell with and without inclined web.
For analysis IRC-6 vehicle loading has been considered. The software modeling and
FEM analysis carried out and obtained the coefficient of moment and shear distribution
for each cell. The coefficients of live load distribution obtained for span: depth ratio
varies from10:24. This paper is suggested to the most effective alternative for upcoming
concrete box girder bridges.
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