Author(s)/Editor(s): Working group 4 - Mogensen, I. et al | Size: 14.66 MB| Format:PDF| Quality:Scanner| Publisher: IASS - international association for shell and spatial structures| Year: 1981
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Quote:This manual describes the basic process of blast-resistant structural design for precast/prestressed concrete components. It includes calculating blast loads on the component, determining the dynamic response of the component, checking the response against specified performance criteria, designing the component connections, and checking the component for adequate shear capacity. The emphasis in this manual is on blast loads from exterior explosions and the dynamic analysis of blast-loaded structural components idealized as equivalent single degree of freedom systems. These assumptions simplify the blast-resistant design procedure discussed in this manual, but they apply to many cases of practical interest for anti-terrorism and force protection design.
This updated report guides the owner and designer through the many assumptions and parameters involved in the design of a mill building. Loads and load combinations for the design of crane runways, roof structures, floors, columns, building frames and foundations. Information is provided for investigation, earthwork and excavation requirements, as well as revisions to vibration, foundation, soil bearing foundation, crane rails and crane rail splices. In this edition, all information has been reviewed and updated to the current state-of-the-art procedures for design. Latitude has been provided with even more advanced proven techniques. All information and idirection is within the requirements of national codes and specifications. A listing of many references (also revised) is provided.
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This is the first edition of CSA Standard G189 covering the requirements for sprayed aluminum and zinc coatings and the methods of testing for compliance.
Sprayed metal coatings are applied by projecting molten material in the form of a dispersed spray onto the surface to be coated and it is essential that the purchaser state the coating metal required and its nominal thickness.
The design of the article is most important in achieving maximum protection by metal spraying against corrosion (see Appendix C).
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This is the first edition of CSA Standard CAN/CSA-G40.23, Steel-Surface finish of hot-rolled plates and wide flats-Delivery requirements. It is an adoption of the identically titled first edition of IS0 (International Organization for Standardization) Standard 7788-1985.
The Canadian adoption of this Standard was prepared by the Technical Committee on Structural Steel and was formally approved by this Committee and the Standards Steering Committee on Metals and Metal Products. It has been approved as a National Standard of Canada by the Standards Council of Canada.
Scope and Field of Application
This CSA Standard specifies delivery requirements which apply to the surface finish of hot-rolled plates and wide flats rolled on reversing mills, with nominal thicknesses equal to or less than 150 mm.
For plates with a thickness greater than 150 mm and for special applications for which a different surface condition is required, special agreements shall be made at the time of enquiry and order.
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Posted by: poolmand - 05-07-2024, 09:25 AM - Forum: CSA
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CSA ISO 14341:21 Welding consumables — Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels — Classification (Adopted ISO 14341:2020, third edition, 2020-08)
This is the third edition of CSA ISO 14341, Welding consumables — Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels — Classification, which is an adoption without modification of the identically titled ISO (International Organization for Standardization) Standard 14341 (third edition, 2020-08). It supersedes the previous edition, published in 2011 as CAN/CSA-ISO 14341 (adopted ISO 14341:2010).
For brevity, this Standard will be referred to as CSA ISO 14341 throughout.
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This is the second edition of CSA W55.3, Certification of companies for resistance welding of steel and aluminum. It supersedes the first edition, published in 1965 under the title Resistance Welding Qualification Code for Fabricators of Structural Members Used in Buildings.
This edition includes the following changes:
(a) broadening of the scope to include both steel and aluminum, as well as non-structural applications;
(b) alignment with CSA W47.1, including introduction of three divisions of certification; and
This Standard stipulates the minimum requirements that a company must meet and adhere to in order to obtain and maintain certification in the area of resistance welding. Certification is granted by the Canadian Welding Bureau, the administrative body of this Standard. Certification indicates that, consistent with the requirements of the division in which the company is certified, the company has the organization, personnel, welding procedures, equipment, and process control system required to produce satisfactory welds and welded assemblies using resistance welding processes.
This Standard was prepared by the Technical Committee on Certification of Companies for the Welding of Steel and Aluminum, under the jurisdiction of the Strategic Steering Committee on Welding and Structural Metals, and has been formally approved by the Technical Committee.
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This is the second edition of CSA S448.1, Repair of reinforced concrete in buildings and parking structures. It replaces the previous edition, published in 1993.
This Standard specifies minimum requirements for the investigation, design, and execution of repair work needed to restore reinforced concrete structural components of buildings to a safe and serviceable state. It provides a framework for the design of repair projects and covers repair techniques and materials in a general way; engineers are responsible for selecting appropriate procedures and materials to obtain the desired performance.
This Standard covers the repair of regular (i.e., not pre-stressed or post-tensioned) reinforced concrete structural elements in buildings and parking structures. This Standard addresses the need to ensure the structural integrity and safety of a building during the repair period and the need for the engineer to establish follow-up maintenance and monitoring programs for implementation by the building owner.
This Standard reflects the current state of knowledge regarding concrete repair technology. It recognizes that, in the design of a repair project, the engineer works closely with the owner to determine the owner’s requirements for service life following repair and his or her commitment to regular maintenance of the structure.
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Earthquakes pose a serious threat to safety and have rendered many buildings unusable due to extensive damage to their operational and functional components (OFCs). In fact, the main cause of casualties and property damage in the event of an earthquake is often the failure of these OFCs. In many cases, the losses associated with damage to these components are considerably greater than damage to the structural system.
The third edition of CSA S832, Seismic risk reduction of operational and functional components (OFCs) of buildings, helps reduce seismic risk of OFCs and improve the post-earthquake functionality of buildings. This new edition supersedes the previous editions published in 2006 and 2001.
This new edition is intended to be used in better harmonization with the 2015 National Building Code of Canada.
Key Changes in the New Edition:
Greater clarity with new content organization, revised definitions and sample calculations, updated symbols, flow charts and references and new definitions for OFC performance objectives
New annexes on methods and criteria to determine the seismic adequacy of OFCs in terms of drift-related effects and seismic force calculations
New guidelines on water systems and piping, information technology systems, industrial risk-generating buildings, and heritage buildings
New and updated clauses cover:
New procedures for OFCs in new buildings;
Determination of seismic risk index and suggested mitigation priority thresholds
The design of seismic restraints and explanatory notes on restraint of OFCs equipped with vibration isolation systems
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