Concrete Masonry

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Active ASTM Standards for Concrete Masonry

C90 Standard Specification for Loadbearing Concrete Masonry Units

C55 Standard Specification for Concrete Brick

C946 Standard Practice for Construction of Dry-Stacked, Surface-Bonded Walls


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NCMA Techical Notes

Article	Description
Single Wythe CMU	This article outlines the proper material selection, insulation selection, detailing and workmanship required to create an effective single wythe cmu wall
Designing Single Wythe Block Walls That don't Take on Water	A commonly asked question for us answered - "how should a single wythe concrete block wall be designed and built to prevent moisture penetration
Design of Concrete Block Veneers in Cavity Walls	Concrete block veneers, whether smooth face block, ground face block or split face block - all need to be detailed properly to prevent cracking and/or water penetration.
Design of Concrete Block Veneers in Stud Walls	Concrete masonry veneers used over stud walls have a different set of requirements the designer must take into account.
Crack Control in 4" Concrete Masonry Veneers	Using concrete masonry bandings successfully without cracking problems through proper design and workmanship.
Masonry Urbanus	Design guide for low-rise multi-family masonry structures - 3d photorealistic drawings throughout.
Lightweight CMU Advantages	Article showing the advantages of using lightweight Concrete Masonry Units
Tall slender walls	Article showing tall slender warehouse walls with CMU
Getting Grout into a Wall	Article explaining the process of grouting using the lastest technology
Mortarless Block Systems	Innovative mortarless systems have improved with time and are now more competitive in many more market segments than before
Post-Tensioned Masonry Slashes the Need for Grout	Unlike conventional reinforced masonry, which requires grout in every core containing rebar, post-tensioning tendons don't need grout


	Acobat files (PDF)

Article	Description
Single Wythe CMU	A four page brochure showing the proper material selection, insulation selection, detailing and workmanship required to create an effective single wythe cmu wall
Masonry Urbanus	Design guide for low-rise multi-family masonry structures - 3d photorealistic drawings throughout.
Concrete Masonry Firewall Details	3d and 2d drawings showing concrete masonry firewalls used in wood frame structures
Case Study # 16 - Block Stands Tall at the Box Office	A case study of exceptionally tall state of the art reinforced concrete block walls use for theaters in the chicagoland area.
Ramblings 3 - Charles Ostrander	Crack control in 4" CMU


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