User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete

Words: Marshall AnhaltAn updated edition of Manual 49, User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete, 2nd Edition, is now available in print and online.

Co-published by ASTM International and the National Ready-Mixed Concrete Association, this new edition represents a significant re-write of all portions of the book. It includes 22 comprehensive chapters that explain every aspect of ASTM C94, the "reference standard" for the industry.

ASTM C94 covers the complex subject of ordering, production and delivery of ready-mixed concrete. There have been many changes and improvements to C94 since the first edition of this manual was printed, especially in the technology for production and delivery of concrete. Manual 49 provides tips and advice and has numerical examples, photos and figures to illustrate proper procedures and implications when C94 is cited in project specifications.

Manual 49, User’s Guide to ASTM Specification C94/C94M on Ready-Mixed Concrete, 2nd Edition, is available for $89 USD in print (978-0-8031-7054-4; Stock # MNL49-2ND) or as an e-book (ISBN: 978-0-8031-7055-1; Stock #: MNL49-2ND-EB).

To purchase ASTM publications, search by stock number on the ASTM Web site (>www.astm.org), or contact ASTM Customer Relations (phone: 877-909-ASTM; sales@astm.org).
Vibing Masonry #8: CMU’s Durability and Maintenance Value
September 2025

Heading to Spokane, WA, I found myself riding the airport tram at O’Hare in Chicago. Looking out the window at a part of the 26-year-old International Terminal 5, I spotted a painted structural steel beam in front of a concrete masonry unit (CMU) wall. Th

Keeping it Clean: Lifecycle Maintenance for Manufactured Stone Veneer
September 2025

One of the many benefits of manufactured stone veneer is that it’s a robust, durable product that requires little maintenance over the course of its life span. In fact, its irregularity in shape and color helps hide minor dirt and dust. But like any build

Government Affairs: Dignity Act Is Back and So Are Our Marching Orders!
September 2025

The Dignity Act is back! Congresswoman Maria Salazar (R-FL) and Congresswoman Veronica Escobar (D-TX) have re-introduced the Dignity Act, their comprehensive border security and immigration law reform legislation and we need to hit the ground running to

Marvelous Masonry: Inveraray Castle
September 2025

Inveraray Castle, one of Scotland’s most iconic Gothic Revival structures, rises from the banks of Loch Fyne like a monument to stonework itself. For masonry contractors and material suppliers, the castle serves as a working model of 18th-century craftsma