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Description: Commonly referred to as MDG3, the third edition of the Masonry Designers’ Guide represents a substantial update. The revised edition reflects 1999 Masonry Standards Joint Committee code and specification changes regarding design information on prestressed masonry, quality assurance as it relates to masonry inspection, and information on adhered masonry construction. Sample problems illustrate the design methods and philosophies. Published by The Masonry Society.
Based on the 1999 version of the Masonry Standards Joint Committee (MSJC) Code (ACI 530/TMS 402/ASCE 5) and Specification (ACI 530.1/TMS 602/ASCE 6), the third edition of the MDG has been updated to reflect code and specification changes. All section references to the Code and Specification have been updated based on their new format, and many other modifications and improvements have been made from earlier editions of this excellent guide.
The MDG has 5 major sections:
Introduction: Includes notation, definitions, and a complete reference index that helps the user find information and examples on every paragraph of the Code or Specification.
Materials and Testing: Presents information on each of the primary materials used in masonry.
Construction: Covers quality control, quality assurance, and hot and cold weather construction techniques. Includes sections on sample panels, inspection, tolerances, and cleaning.
Design: Each aspect of design of a masonry building is explored in detail in this portion of the book. Chapters include load distribution, accommodation of movement, flexure, shear, combined flexure and axial load, reinforcement, empirical design, and seismic requirements.
Example Problems: Used to illustrate the application of the design methods and philosophies covered in the Design chapters.
The example problems are a unique and important part of the MDG. Three different buildings are examined in detail: a single-story strip mall, a single-story gymnasium, and a four-story hotel with both unreinforced and reinforced wall options. Various options are examined for each of these buildings, including brick/block cavity walls, composite walls, reinforced and unreinforced walls, single-wythe hollow clay walls, and glass blocks. Various load combinations are used for each building to help the designer understand different seismic levels, wind loads, and various combinations of live and dead load. The example problems go through the complete design of each building from calculation of loads to designing for flexure, shear, axial, and out-of-plane load. Other problems describe design of shear walls, ties and reinforcement, roof and floor diaphragm connections, beams, lintels, columns, and pilasters.
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