This is the first edition of CSA Z245.17, Cold bends.
This Standard covers the requirements for factory-made steel cold bends intended to be used for transporting fluids as specified in CSA Z662.
As of this edition, induction bends and cold bends have been removed from CSA Z245.11, Steel fittings, and are now covered in CSA Z245.16 and Z245.17, respectively.
CSA Group acknowledges that the development of this Standard was made possible, in part, by the valuable dedication of Maros Tropp and the financial support of ATCO Ltd., Benpro Technologies Corp., British Columbia Oil and Gas Commission, Enbridge Inc., FortisBC Energy Inc., TC Energy Corp., and Tectubi Raccordi S.p.A. (Allied Fitting).
This Standard was prepared by the Subcommittee on Materials, under the jurisdiction of the Technical Committee on Petroleum and Natural Gas Industry Pipeline Systems and Materials, and the Strategic Steering Committee on Petroleum and Natural Gas Industry Systems, and has been formally approved by the Technical Committee.
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Title of paper: Critical Buckling Loads for Tapered Columns
Authors: James M. Gere , M.ASCE and Winfred O. Carter
DOI detail:
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This book presents unified design approach for strengthening concrete members with different techniques such as concrete, steel, and FRP jacketing. Preference between the various techniques is explained in light of strengthening limits, procedures, and application for each case. Examples for evaluation of existing structures and design equations for strengthening concrete elements are presented based on the ACI design codes and standards. Numerical examples are also given for different strengthening techniques with illustrations for the construction methodology and detailing for each case.Several case studies are explained starting from problem diagnosis, structure analysis, proposal for different strengthening methodologies, and implementation procedure for the selected scheme. The case studies include structures subjected to gravity loads, lateral loads, elevated temperature, and differential settlement of the foundations. It addresses design and construction errors, environmental impact, and soil movement. The case studies include conventional reinforced concrete, post-tensioned, and precast concrete members.
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Seismic Retrofit of Existing Reinforced Concrete Buildings
Understand the complexities and challenges of retrofitting building infrastructure
Across the world, buildings are gradually becoming structurally unsound. Many were constructed before seismic load capacity was a mandatory component of building standards, and were often built with low-quality materials or using unsafe construction practices. Many more are simply aging, with materials degrading, and steel corroding. As a result, efforts are ongoing to retrofit existing structures, and to develop new techniques for assessing and enhancing seismic load capacity in order to create a safer building infrastructure worldwide.
Seismic Retrofit of Existing Reinforced Concrete Buildings provides a thorough book-length discussion of these techniques and their applications. Balancing theory and practice, the book provides engineers with a broad base of knowledge from which to approach real-world seismic assessments and retrofitting projects. It incorporates knowledge and experience frequently omitted from the building design process for a fuller account of this critical engineering subfield.
Seismic Retrofit of Existing Reinforced Concrete Buildings readers will also find:
Detailed treatment of each available strengthening technique, complete with advantages and disadvantages
In-depth guidelines to select a specific technique for a given building type and/or engineering scenario
Step-by-step guidance through the assessment/retrofitting process
Seismic Retrofit of Existing Reinforced Concrete Buildings is an ideal reference for civil and structural engineering professionals and advanced students, particularly those working in seismically active areas.
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Predicting compressive strength of green concrete using hybrid artificial neural network with genetic algorithm
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A combination of deep learning and genetic algorithm for predicting the compressive strength of high-performance concrete
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Hi, does anyone using software Parabuild steel for steel detailing and workshop drawings. I am interested in the user's opinion about the program in order to decide on its purchase.
Eurocode 8 - Design of structures for earthquake resistance - Part 1-1: General rules and seismic action
prEN 1998-1-1:2022 (Draft)
Abstract:
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 250.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
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Would be grateful if someone could share these two conference papers:
Wind-induced creaking noise assessment of a large-scale assembly of drywam system using multi-axis testing
Author(s): Hamidreza A Yazdi; Alireza Bataghva; Pourya Pazandeh; Salim Zadeh; Javad Hashemi Publish Date: January 2020 Published By: Australian Structural Engineering Conference: ASEC 2020 Related Links:
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Wind-Induced Noise in High-Rise Residential Buildings
Author(s): Allen Peter Publish Date: October 2020 Published By: INTER-NOISE and NOISE-CON Congress and Conference Proceedings, NoiseCon20, New Orleans, LA Related Links:
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Under fire conditions, the strong interactions in structures result in different load carrying mechanisms and drastic redistributions of internal forces in structural members, which are concentrated at and transferred via connections. Fire safety depends on the performance of these connections, including their temperature distribution and load-carrying mechanisms, and good performance ensures structural robustness in fire.
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