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Производитель: Lincoln Electric
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Название файла: c165.pdf
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Because welding is essential in the construction of the vast majority of buildings, innovative welding techniques are and will continue to be critical to safer, sounder structures in seismic zones. The leader in seismic welding solutions is Lincoln Electric. Our leadership comes from our history; for over 100 years Lincoln Electric has been at the forefront of welding technology. It comes from our people; Duane Miller, Lincoln’s Manager of Engineering Services, chaired the D1.8 committee. And it comes from our products; we have consumables and welding solutions designed help you meet new and evolving requirements. To assist structural fabricators, erectors, inspectors and specifying engineers, Lincoln Electric has created this D1.8 Seismic Supplement Welding Manual as an aid to understand seismic welding requirements and the Lincoln Electric consumables tested to meet the AWS D1.8 requirements. This update to Lincoln Electric’s D1.8 Seismic Supplement Welding Manual is just one more way Lincoln sets the standard for the welding industry. That is why, for the most reliable welds in seismic zones, the structural fabrication industry chooses Lincoln. Table of Contents Introduction........................................................2 Background........................................................4 Purpose and Use.................................................6 Specifications.....................................................6 Overview.............................................................8 Differences from FEMA 353..............................10 A User’s Guide To AWS D1.8..............................11 Engineers......................................................11 Structural Detailers......................................12 Fabricators and Erectors..............................12 Inspectors.....................................................18 References.........................................................19 Lincoln Electric Products..................................20 Exposure Testing...............................................22 Appendices........................................................24 A: D1.8 Certifications...................................25 B: Intermix Testing.......................................40 C: Lot Control Alternative Documentation...42 Note: Please refer to the Safety References Section on page 18 for more information on certificates, booklets and general safety practices. 3 D1.8 Seismic Supplement Welding Manual Customer Assistance Policy The Lincoln Electric Company sells welding consumables and related equipment. On occasion, purchasers may ask the Company for advice or information about the use of these products. As a customer accommodation, our employees respond without charge based on information provided and their knowledge of Lincoln Electric products. Lincoln Electric offers no guarantee or warranty, and assumes no liability, with respect to such information or advice; nor does it assume any responsibility for updating or correcting any such information or advice once it is given; nor does its provision of information or advice create, expand or alter any warranty with respect to the sale of the Company’s products. Lincoln Electric expressly disclaims any warranty of any kind, including any warranty of fitness for any particular purpose, with respect to such information or advice. The selection and use of products sold by Lincoln Electric is solely within the control of, and remains the sole responsibility of, the customer. Document Updates The information contained in this document is believed to be accurate at the time of printing and is subject to change as additional information and data becomes available. Examples of such modifications include, but are not limited to, the incorporation of additional product data and alterations due to AWS D1.8 updates. The reader is encouraged to check the Lincoln Electric website for updates (This manual references other documents not published by Lincoln Electric. Those documents are also subject to change, and the reader is encouraged to check the latest edition of referenced documents for any changes that might affect the content of this manual. This document is an update to Lincoln Electric’s 2008 D1.8 Seismic Supplement Welding Manual and reflects changes made to the AWS D1.8 Structural Welding Code - Seismic Supplement in 2009. D1.8 Seismic Supplement Welding Manual Background In January 1994, the Northridge, California earthquake caused unexpected damage to a number of welded steel-framed buildings in the greater Los Angeles area. The Federal Emergency Management Agency (FEMA) funded a variety of investigations that sought to address both the immediate and long-term needs related to solving the performance problems associated with welded steel moment-frame connections. Several documents were published as a result of these inves...