AASHTO T 134-05 (2018)


Standard Method of Test for Moisture-Density Relations of Soil-Cement Mixtures
standard by American Association of State and Highway Transportation Officials, 2005

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These methods of test are intended for determining the relation between the moisture content and density of soil-cement mixtures when compacted before cement hydration as prescribed.

A 944-cm3 (1/30-ft3) mold and a 2.5-kg (5.5-lb) rammer dropped from a height of 305 mm (12 in.) are used and two methods, depending on soil gradation, are covered, as follows:

Method A – Soil material passing a 4.75-mm (No. 4) sieve. This method shall be used when 100 percent of the soil sample passes the 4.75-mm (No. 4) sieve.

Method B – Soil material passing a 19.0-mm (3/4-in.) sieve. This method shall be used when part of the soil sample is retained on the 4.75-mm (No. 4) sieve.

This test method applies to soil-cement mixtures that have 30 percent or less retained on the 19.0-mm (3/4-in.) sieve, when Method B is used. The material retained on these sieves shall be defined as oversized particles (coarse particles).

The following applies to all specified limits in this standard: For the purposes of determining conformance with these specifications, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand place of figures used in expressing the limiting value, in accordance with R 11.

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Product Code(s):
T134-05-UL, T134-05-UL, T134-05-UL
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