4111.01DESCRIPTION
Natural sands resulting from disintegration of rock through erosional processes. Acquire mineral aggregate from an approved source as described in Materials I.M. 409. Use Class L fine aggregate in Class L concrete mixtures as specified in Materials I.M. 529.
4111.02GRADATION
Meet the requirements for Gradation No. 1 of the Aggregate Gradation Table, Article
4109.02. No more than 45% is to pass one sieve and be retained on the sieve with
the next higher number when the fine aggregate is sieved through the following sieves: No. 4, No. 8, No. 16, No. 30, No. 50, and No. 100.
4111.03QUALITY
Meet the requirements of Table 4111.03-1:
Intermediate Aggregate for Portland Cement Concrete
4112.03
Table 4111.03-1: Test Limits and Methods Fine Aggregate Quality Test Limits Test Method Shale and Coal 2.0% (maximum) Materials I.M. 344 Mortar Strength
5200 psi (minimum)
Iowa DOT Materials Laboratory Test Method No. 212
Get an email when 4111 changes
Iowa revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.