This test method covers a procedure for making repetitive static plate load tests on subgrade soils and compacted pavement components@ in either the compacted condition or the natural state@ and is to provide data for use in the evaluation and design of rigid and flexible-type airport and highway pavements. The values stated in inch-pound units are to be regarded as the standard.
T 221-1990由AASHTO - American Association of State Highway and Transportation Officials 发布于 1990-01-01,并于 2017-09-22 实施。
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