This International Standard specifies general principles of risk assessment for systems involving structures. The focus is on strategic and operational decision-making related to design, assessment, maintenance and decommissioning of structures. This also includes formulation and calibration of related codes and standards. Systems involving structures can expose stakeholders at various levels in society to significant risks. The aim of this International Standard is to facilitate and enhance decision-making with regard to monitoring, reducing and managing risks in an efficient, cost-effective and transparent manner. Within the broader context of risk management, risk assessment provides decision-makers with procedures to determine whether or not and in what manner it is appropriate to treat risks.
This International Standard provides a general framework as well as a procedure for identifying hazards and estimating, evaluating and treating risks of structures and systems involving structures. This International Standard also provides a basis for code writers as well as designers to set reasonable target-reliability levels, such as stated in ISO 2394, based on the result of risk considerations. For existing structures, assessment of the risks associated with the events that were not considered in the original design or with changes in use shall be implemented according to the principles stated in this International Standard. This International Standard can also be used for risk assessment of exceptional structures, the design of which is usually beyond the scope of existing codes.
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This International Standard specifies general principles and recommends procedures for the verification of the durability of structures subject to known or foreseeable environmental actions, including mechanical actions, causing material degradation leading to failure of performance. It is necessary to ensure reliability of performance throughout the design service life of the structure.
Fatigue failure due to cyclic stress is not within the scope of this International Standard.
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Print2CAD 2012 is able to convert PDF files into a DWG or DXF file, which can then be imported into any CAD system for editing. Print2CAD 2012 is an autonomous and CAD system-independent program. Print2CAD 2012 also converts DWG/DXF into PDF, TIFF/JPEG into DWG, DWF into DWG/DXF and HPGL into DWG/DXF.
Print2CAD 2012 not only uses conversion and vectorization methods, but also uses OCR (Optical Character Recognition) to reconstruct the content of a PDF or raster file. The program can also recognize the PDF text that has been deconstructed into polyline fields, and/or pixel pictures as full and editable CAD text.
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Outline ART,applied in CAD word processing,is a tool to transform words and symbols into vector-contour,we provide both windows desktop version and ARX embedded version for AutoCAD(supporting R14 / R2000 / R2002 / R2004 / R2005 / R2006),so that words and symbols can be transformed into not only DXF file,but also polyline entity in AutoCAD.
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Author: K. A. Stroud, Dexter J. Booth, Kenneth A. Stroud | Size: 14.7 MB | Format:DjVu | Quality:Unspecified | Publisher: Industrial Press, Inc. | Year: 2003 | pages: 1280 | ISBN: 0831131691
This textbook for a second year engineering course covers Laplace transforms, ordinary differential equations, multiple integration, vector analysis, and complex analysis. Previously published as Further engineering mathematics, the fourth edition adds chapters on Z transforms, the Fourier transform, and the numerical solution of partial differential equations.
Uses a unique technique-oriented approach that takes the reader through each topic step-by-step.
Features a wealth of worked examples and progressively more challenging exercises.
Contains Test Exercises, Learning Outcomes, Further Problems, and Can You? Checklists to guide and enhance learning and comprehension.
Expanded coverage includes new chapters on Z Transforms, Fourier Transforms, Numerical Solutions of Partial Differential Equations, and more Complex Numbers.
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Dear Friends,
These are two dll files that if you copy them to installation directory of some version ETABS, SAP2000 and SAFE, you can change the language to Spanish or Turkish.
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Author: R. H. HEWITT | Size: 1.44 MB | Format:PDF | Quality:Scanner | Publisher: Transportation Science. Vol. 17, No. 1 | Year: 1983 February | pages: 87-109
A method is derived which estimates the probability distribution of the critical gaps of those drivers entering a main road at a priority junction who have rejected the initial lag offered to them, using observations of the sizes of the gaps refused and that eventually accepted by the driver. An extension of the method estimates the probability distribution of the critical times of
all drivers, on the assumption that each driver's critical lag and critical gap are equal, from observations of the sizes of the initial lags accepted and rejected by the driver, and the sizes of subsequent gaps considered if the initial lag is rejected. Both methods have been tested using data obtained by computer simulation. Estimates of the mean and standard deviation obtained using each method are substantially unbiased and have a fairly small standard error. Estimates of the critical gap and critical time distributions obtained using the methods are subject
to considerable errors in individual cells of the distribution, however, unless the data set used is very large. An approximate method is also suggested whereby the original probability distribution of the critical gap of all drivers, including those who accept the initial lag, can be estimated from the same data by assuming a simple form for any difference between the distributions of critical lags and critical gaps.
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Analysis of Stone Column Reinforced Foundation using Finite Element Method
Author: KHINE KHINE OO | Size: 1.89 MB | Format:PDF | Quality:Original preprint | Publisher: NATIONAL UNIVERSITY OF SINGAPORE | Year: 2004 | pages: 150
Introduction
This study performed the finite element analysis of the stone column reinforced foundation and the matching scheme for conversion of axisymmetric stone column unit cell into equivalent plane strain. Based on simplified analytical method presented by Han & Ye (2001), FEM analysis was carried out and to verify the simplified solutions. Good agreements were found in the comparisons.
In order to carry out finite element analysis for stone column treated foundation in two-dimensional condition, the plane strain model must be idealized. The conversion of axisymmetric stone column unit cell model into equivalent plane strain model is presented in this study. The parameter matching scheme consisting the stiffness and permeability matching procedures is reported. The stiffness matching is based on composite stiffness and area replacement ratio while permeability matching is based on equality of rate of consolidation.
The finite element analyses showed that the proposed matching scheme for conversion of axisymmetric stone column model into plane strain model gives good agreement with field performance of stone column works. In addition, the FEM analysis also verified that faster dissipation of excess pore water pressure in soil was achieved by using stone column work, thus accelerating the consolidation process.
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Posted by: conglocha - 03-23-2013, 06:41 AM - Forum: Archive
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Hi there,
Does anyone know how to get this book?
I could not find it on the amazon or any website for bookseller.
I really appreciate your help.
Kind regards,
Loc.
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