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ASTM C94 and the Information Behind a Project-Specific Mix

A project-specific concrete mix starts with the approved specification and the conditions the concrete must perform in. This guide explains the information teams should bring to a mix review.

ASTM C94 and the Information Behind a Project-Specific Mix
Quality & Specifications· Alliance Concrete Ready Mix · Aug 9, 2026Concrete PlanningQuality & SpecificationsReady-Mix Concrete

A mix review is more useful when it connects the specification to the actual placement. Strength is important, but it is only one part of the conversation.

Bring the approved requirements

Share the required compressive strength, slump or workability range, air content where applicable, aggregate limits, admixtures, exposure conditions, and testing requirements. The project documents should control the final mix decision.

Explain the placement conditions

Foundations, slabs, paving, tilt-wall panels, structural members, and site-work placements can have different receiving and finishing needs. Placement method, reinforcement density, pumping distance, temperature, and finishing sequence all matter.

Coordinate production and testing

Confirm the requested quantity, placement rate, delivery sequence, testing responsibilities, and any required submittals before the pour. Clear information reduces last-minute changes and gives the project team a shared reference.

Alliance produces ready-mix concrete for approved project requirements and reviews the available details with contractors, developers, and builders across the Greater Houston area.