Laserfiche WebLink
<br />b. When used In the mortar test in accordance with AASHTO T26, <br />shall produce a mortar having a compressive strength of 81: <br />least 90% of a mortar of the same design using distilled water. <br />B. Aggregates <br />1. Grading shall conform to the following requirements: <br />a. Amounts finer than each laboratory sieve', % by weight <br />Coarse Aggregate Fine Aggregate <br />Sieve Size Percentage Passing Percentage Passing <br />1-1/2" 100 - <br />1" 95-100 - <br />3/4" - - <br />1/2" 25-60 - <br />3/8" - 100 <br />#4 6-10 95-100 <br />#8 - - <br />#16 - 45-80 <br />#50 - 10-30 <br />#100 - 2-10 <br />•Square openings in inches, except where otherwise indicated. • <br />Numbered sieves are those of U.S. Standard Sieve Series. <br />b. Gradation tests will be performed in accordance with AASHTO <br />T27. <br />2. Soundness shall conform to the following requirements: <br />a. Soundness Loss, Maximum Percent <br />Type Freeze and Thaw Magnesium Sulphate <br />Aggregate 20 cycles 5 cycles <br />Fine 8 18 <br />Coarse 5 12 <br />b. Tests will be performed in accordance with AASHTO T103 or <br />T104. <br />3. The amounts of deleterious material shall not exceed the followini; <br />limits: <br />• <br />03300-2 <br />