ASTM C1090/C1090M-23 PDF

Full title and description

ASTM C1090/C1090M-23 — Standard Test Method for Measuring Changes in Height of Cylindrical Specimens of Hydraulic‑Cement Grout. This test method defines specimen size, conditioning, measurement procedures, and reporting requirements used to determine height (shrinkage or expansion) of grout cylinders under controlled conditions.

Abstract

This standard specifies a procedure for preparing 75 mm by 150 mm (3 in. by 6 in.) cylindrical specimens of hydraulic‑cement grout, protecting them from drying, and measuring changes in height over a specified test period (typically up to 28 days). The method provides options for SI and inch‑pound unit systems and guidance on environmental control, instrumentation, and test reporting to allow comparison of volume stability among grout formulations.

General information

• Status: Active / Current standard (ASTM C1090/C1090M-23).
• Publication date: 2023 (document edition -23; last updated in ASTM records July 19, 2023; original posting June 15, 2023).
• Publisher: ASTM International (ASTM).
• ICS / categories: 91.100.10 — Cement. Gypsum. Lime. Mortar.
• Edition / version: C1090/C1090M‑23 (2023 revision of C1090/C1090M).
• Number of pages: 6 pages (typical published length).

Scope

The scope covers measurement of changes in height of hydraulic‑cement grouts using protected 75 × 150 mm (3 × 6 in.) cylinders so that measured height change excludes effects of drying, moisture uptake, carbonation, or exposure outside specified temperature limits (standard laboratory temperatures are used unless otherwise specified). The procedure can be adapted for alternate schedules or environmental treatments when required by a study.

Key topics and requirements

• Specimen dimensions and preparation: 75 mm × 150 mm (3 in. × 6 in.) cylindrical molds, consolidation and surface protection.
• Conditioning and protection to prevent evaporation or moisture uptake during the test period.
• Measurement procedure: precise vertical height measurements at defined ages (including initial set and up to 28 days) and required averaging/reporting of results.
• Units and tolerances: SI and inch‑pound units are both provided and treated independently (do not mix values from the two systems).
• Required apparatus and accuracy: calipers/height gauges or other suitable measurement devices; temperature control at specified tolerances (typically 23 ± 2 °C unless specified otherwise).
• Reporting: specimen identification, mix proportions, curing/conditioning details, measurement schedule, and numerical results (changes in height expressed in mm or in.).
• Safety note: handling of fresh cementitious mixtures (caustic) and laboratory safety procedures.

Typical use and users

Used by materials testing laboratories, grout and cement manufacturers, construction quality control groups, research laboratories, and specification writers to evaluate and compare dimensional stability (shrinkage/expansion) of hydraulic‑cement grouts and nonshrink formulations under controlled conditions. Typical users include civil/materials engineers, lab technicians, and product development teams.

Related standards

Commonly referenced standards and related procedures include Test Method C827/C827M (change in height at early ages of cementitious mixtures), Specification C1107/C1107M (packaged dry hydraulic‑cement grout), Test Method C157/C157M (length change of hardened mortar and concrete), and other C09 committee standards that cover grout materials and dimensional change testing. The 2023 revision supersedes C1090/C1090M‑15.

Keywords

grout, hydraulic cement, height change, shrinkage, expansion, cylindrical specimen, nonshrink grout, dimensional stability, measurement, ASTM C1090.

FAQ

Q: What is this standard?

A: ASTM C1090/C1090M-23 is a test method that describes how to measure changes in height of cylindrical specimens of hydraulic‑cement grout to evaluate volume stability (shrinkage or expansion) under controlled laboratory conditions.

Q: What does it cover?

A: It covers specimen size and preparation, protection against drying, measurement timing and technique, units (SI and inch‑pound), temperature control, instrumentation accuracy, and reporting requirements for height‑change tests—typically over a 28‑day period unless otherwise specified.

Q: Who typically uses it?

A: Materials testing laboratories, grout/cement manufacturers, quality assurance teams on construction projects, research institutions, and specification authors use the standard to compare formulations and ensure product performance.

Q: Is it current or superseded?

A: The document edition is C1090/C1090M‑23 (2023). It revises the previous C1090/C1090M‑15 edition. Users should confirm on the ASTM or national standards store for any amendments or later revisions after 2023.

Q: Is it part of a series?

A: Yes — it is part of ASTM Book of Standards Volume 04.02 (Concrete and Aggregates) and was developed under the C09 committee (concrete and cementitious materials) alongside related C09 test methods and specifications.

Q: What are the key keywords?

A: Key terms include grout, hydraulic cement, height change, shrinkage, expansion, nonshrink grout, cylindrical specimen, dimensional stability, and ASTM C1090.