4116.01DESCRIPTION
A mixture of fine and coarse particles of feldspathic rocks from an approved source as described in Materials I.M. 409.
4116.02GRADATION
Meet the gradation requirements for gradation No. 7 of the Aggregate Gradation Table, Article 4109.02. 4116.03 A.
QUALITY. For the portion retained on the No. 4 sieve, meet the requirements of Table
4116.031 for coarse aggregate for concrete
Table 4116.03-1: Aggregate Quality Maximum Percent Aggregate Quality Test Method Allowed
B.
Abrasion
AASHTO T 96
A Freeze
Office of Materials Test Method No. Iowa 211, Method A
Clay Lumps
0.5
Materials I.M. 368
For the portion of Class V aggregate passing the No. 4 sieve, meet the requirements of Table 4116.03-2 for fine aggregate for concrete: Table 4116.03-2: Fine Aggregate Quality Fine Aggregate Test Limits Test Method Quality Shale and Coal
2.0 % (maximum)
Materials I.M. 344
Mortar Strength
6000 psi (minimum)
Office of Materials Test Method No. Iowa 212
4116.04COMBINATIONS
Use Class V aggregate for PC concrete only in combination with limestone as specified in Materials I.M. 529. Acquire limestone from sources meeting the specified coarse aggregate durability for PC concrete. A.
Fine Limestone. Meet the gradation requirements for gradation No. 8 of the Aggregate Gradation Table, Article 4109.02.
Granular Leveling Material
B.
4117.03
Coarse Limestone. Meet the requirements of Section 4115.
4116.05CEMENT REQUIREMENTS
For Interstate and Primary projects, use the cement types and substitutions of Table
1 when Class V aggregate is used
Table 4116.05-1: Cement Types and Substitutions Min. Required Substitution
Max. Allowable Substitution
Type I, Type II
20% Class F Fly Ash
25% Class F Fly Ash
Type I, Type II
25% GGBFS
Cement Type
Type IS, IP
---
35% GGBFS 20% Class C Fly Ash