1108 - AGGREGATES FOR COVER MATERIAL
1100-26 d. Stockpiling . Stockpile and handle aggregates in such a manner to prevent detrimental degradation and
segregation, the incorporation of appreciable amounts of foreign material, and the intermingling of stockpiled materials. 1108.3 TEST METHODS Test aggregates according to the applicable provisions of SECTION 1115 . 1108.4 PREQUALIFICATION Prequalify aggregate sources according to subsection 1101.4 . 1108.5 BASIS OF ACCEPTANCE Aggregates covered by this subsection are accepted based on the procedures described in subsection 1101.5. 1109 - AGGREGATE FOR MICROSURFACING
1100-27 Section 1109
AGGREGATE FOR MICROSURFACING 1109.1 DESCRIPTION This specification covers aggregates for use in microsurfacing operations. 1109.2 REQUIREMENTS
a.Composition. Provide aggregate for microsurfacing that is crushed gravel, crushed calcite cemented sandstone, or chat which is a material obtai ned from the mining of lead and zinc ores. Produce crushed gravel by mechanical crushing of siliceous gravel and not containing more than 15% non- siliceous material.
b.Quality. Soundness, minimum (KTMR-21) ................................................................. 0.90 Wear, maximum (AASHTO T 96) ................................................................. 40%
c.Product Control. Provide material that complies with TABLE 1109-1 : TABLE 1109-1: GRAD ING REQUIREMENTS Percent Retained - Square Mesh Sieves ½” 3/8” No. 4 No. 8 No. 16 No. 30 No. 50 No. 200 0 0-1 6-14 35-55 54-75 65-85 75-90 85-95 Additional Requirements for Crushed Gravel. Percent Crushed Particles (K T-31) (minimum) ............................................. 98%* Uncompacted Void Content of Fine Ag gregates (KT-50) (minimum) .......... 46% Sand Equivalent (KT-55) (minimum) ............................................................ 65% *Provide 98% of the crushed gravel with 2 or more fractured faces. Deleterious Substances. Provide materials that ar e free from weeds, sticks, grass, roots and other undesirable foreign matter.
d.Stockpiling. Stockpile and handle aggregates in such a manner to prevent detrimental degradation and segregation, the incorporation of appreciable amounts of foreign material, and the intermingling of stockpiled materials. 1109.3 TEST METHODS Test aggregates according to the applicable provisions of SECTION 1115 . 1109.4 PREQUALIFICATION Prequalify aggregate sources according to subsection 1101.4 . 1109.5 BASIS OF ACCEPTANCE Aggregates covered by this subsection are accepted based on the procedures described in subsection 1101.5. 1110 - AGGREGATES FOR SUBGRADE MODIFICATION OR RECONSTRUCTION
1100-28 Section 1110
AGGREGATES FOR SUBGRADE MODIFICATION OR RECONSTRUCTION 1110.1 DESCRIPTION This specification covers the required types of aggregates for use in subgrade modification or reconstruction operations as shown in the Contract Documents. 1110.2 REQUIREMENTS
a.Composition. Provide one of the types of aggregate for subgrade modification or reconstruction as shown in TABLE 1110-1.
b.Quality1. Soundness2, minimum (KTMR-21) ............................................................... 0.85 Wear3, maximum (AASHTO T 96) ............................................................... 50% 1Crushed aggregates with less than 10% material retained on the No. 4 sieve (excluding mineral filler supplements) must be produced from a source complying with the official quality requirements of this Section prior to crushing. 2The above requirements for soundness do not apply for aggregat es having less than 10% material retained on the No. 4 sieve. 3The above requirements for wear do not apply to aggregates ha ving less than 10% material re tained on the No. 8 sieve.
c.Product Control.
1.Size and Plasticity. Provide aggregate that complies with TABLE 1110-1 . Determine the grading factor in accordance with the proced ures listed in Part V, Section 5.10.5-Fineness Modulus of Aggregates (Gradation Factor). TABLE 1110-1: GRADING AND PLASTICITY REQUIREMENTS Type Material Percent Retained-Square Mesh Sieves1 Plasticity Index2 1 ½” 1” ¾” 3/8” No. 4 No. 16 No. 50 No. 200 SR-1 Crushed Stone 0 0-15 35-100 85-100 85-100 0-6 SR-3 Crushed Stone Screenings3 0 0-5 85-100 0-5 SR-4 Sand-Gravel4 0 0-5 0-20 85-100 0-6 SR-7 Sand-Gravel 0 5-50 85-100 85-100 0-6 1After removal of all deleterious substances. 2This requirement does not apply if there is more than 70% retained on the No. 30 sieve. 3Do not exceed 7% of moisture contained in the aggregate when delivered to the road. 4Grading Factor is between 4.00-5.00.
2.Deleterious Substances. Do not exceed the followi ng percentages of deleterious substances by weight: For crushed stone and sand-gravel: Shale or shalelike mate rial (KT-8) ................................................................. 3.0 Clay lumps & friable ma terial (KT-7) ............................................................ 3.0 Sticks (wet) (KT-35) ....................................................................................... 1.0
d.Stockpiling. Stockpile and handle aggregates in such a manner to prevent detrimental degradation and segregation, the incorporation of appreciable amounts of foreign material, and the intermingling of stockpiled materials. 1110.3 TEST METHODS Test aggregates according to the applicable provisions of SECTION 1115 . 1110 - AGGREGATES FOR SUBGRADE MODIFICATION OR RECONSTRUCTION 1100-29 1110.4 PREQUALIFICATION Prequalify aggregate sources according to subsection 1101.4 . 1110.5 BASIS OF ACCEPTANCE Aggregates covered by this subsection are accepted based on the procedures described in subsection 1101.5 . 1111 - AGGREGATES FOR SURFACING OR RESURFACING
1100-30 Section 1111
AGGREGATES FOR SURFACING OR RESURFACING 1111.1 DESCRIPTION This specification covers the type of aggregate used fo r surfacing or resurfacing op erations as shown in the Contract Documents. 1111.2 REQUIREMENTS
a.Composition. Provide one of the following types of aggregat es for surfacing or resurfacing as shown in TABLE 1111-1 .
b.Quality1. Soundness2, minimum (KTMR-21) ............................................................... 0.85 Wear3, maximum (AASHTO T 96) ............................................................... 45% 1Crushed aggregates with less than 10% material retained on the No. 4 sieve (excluding mineral filler supplements) must be produced from a source complying with the official quality requirements of this Section prior to crushing. 2The above requirements for soundness do not apply for aggregat es having less than 10% material retained on the No. 4 sieve. 3The above requirements for wear do not apply to aggregates ha ving less than 10% material re tained on the No. 8 sieve.
c.Product Control.
1.Size Requirements. Provide aggregate that complies with TABLE 1111-1 . Determine the fineness modulus in accordance with the procedures listed in Part V, Section 5.10.5-Fineness Modulus of Aggregates (Gradation Factor). TABLE 1111-1: GRADING RE QUIREMENTS FOR AGGREGAT ES FOR SURFACING OR RESURFACING Type Material Percent retained-square mesh sieve (Gradings after removal of deleterious substances) Fineness Modulus 1 ½” 1” ¾” 3/8” No. 8 No. 30 No. 200 SA-1 Sand-gravel 0 0-5 0-20 97-100 4.00 min.* SA-2 Sand-gravel 0 1-15 97-100 5.00 min. SA-6 Crushed Stone 0 0-5 5-25 45-100 95-100 97-100 SA-7 Crushed Stone 0 25-50 85-100 97-100 SA-X Crushed Stone 0 0-5 35-65 95-100 97-100 *For fineness modulus less than 4.00 but greater than 3.75, provide additional materials as a penalty at a rate of 1.5% for each 0.05 less than 4.00 fineness modulus. Use a maximum lot size of 500 cubic yards or tons to determine penalty. Average all tests within the lot to determine penalty.
2.Deleterious Substances. Do not exceed the followi ng percentages of deleterious substances by weight: Clay lumps and friable pa rticles (KT-7) ......................................................... 2.0 Sticks (wet) (KT-38) ....................................................................................... 2.0
d.Stockpiling . Stockpile and handle aggregates in such a manner to prevent detrimental degradation and segregation, the incorporation of appreciable amounts of foreign material, and the intermingling of stockpiled materials. 1111.3 TEST METHODS Test aggregates according to the applicable provisions of SECTION 1111 . 1111 - AGGREGATES FOR SURFACING OR RESURFACING
1100-31 1111.4 Prequalification
Prequalify aggregate sources according to subsection 1101.4 . 1111.5 BASIS OF ACCEPTANCE Aggregates covered by this subsection are accepted based on the procedures described in subsection 1101.5 . 1112 - AGGREGATES FOR SURFACING OR SUBGRADE MODIFICATION FOR COUNTY SECONDARY ROADS
1100-32 Section 1112
AGGREGATES FOR SURFACING OR SUBGRADE MODIFICATION FOR COUNTY SECONDARY ROADS 1112.1 DESCRIPTION This specification covers types of aggregates used for surfacing or subgrade modification for county secondary roads as shown in the Contract Documents. 1112.2 REQUIREMENTS
a.Composition . Provide one of the types of aggregate for surfacing or subgrade modification for secondary roads as shown in TABLE 1112-1 and 1112-2 .
b.Quality 1. Soundness2, minimum (KTMR-21) ............................................................... 0.85 Wear3, maximum (AASHTO T 96) ............................................................... 55% 1Crushed aggregates with less than 10% material retained on the No. 4 sieve (excluding mineral filler supplements) must be produced from a source complying with the official quality requirements of this Section prior to crushing. 2The above requirements for soundness do not apply for aggregat es having less than 10% material retained on the No. 4 sieve. 3The above requirements for wear do not apply to aggregates ha ving less than 10% material re tained on the No. 8 sieve.
c.Product Control .
1.Size Requirements. Provid e aggregate that complies with TABLE 1112-1 . Determine the gradation factor in accordance with the proced ures listed in Part V, Section 5.10.5-Fineness Modulus of Aggregates (Gradation Factor). TABLE 1112-1: GRADAT ION REQUIREMENTS Type Material Percent retained On standard square mesh sieves* Gradation Factor 2” 1 ½” 1” ¾” 3/8” No. 4 No. 8 No. 30 No. 200 SS-3 Crushed Stone 0 0-15 45-85 90-100 92-100 SS-5 Crushed Stone 0 0-5 0-30 45-90 90-100 92-100 SS-7 Sand-gravel 0 0-5 0-20 97-100 4.00 - 5.00** SS-8 Sand-gravel 0 0-5 0-30 92-100 3.75+ SS-9 Sand-gravel 0 0-20 90-100 3.50+ SS-10 Sand-gravel 0 0-5 0-30 90-100 3.25+ SS-14 Limestone gravel 0 93-100 *After removal of all deleterious substances **For grading factors less than 4.00 but greater than 3.75, pr ovide additional materials as a penalty at a rate of 1.5% for each 0.05 less than 4.00 grading factors. Use a maximum lot size of 500 cubic yards or tons to determine penalty. Average all tests within the lot to determine penalty. 1112 - AGGREGATES FOR SURFACING OR SUBGRADE MODIFICATION FOR COUNTY SECONDARY ROADS
1100-33 (2) Deleterious Substances. Do not exceed th e values for each respective type as shown in TABLE 1112-
2. TABLE 1112-2: DELETERIOUS SUBSTANCES Type Material Sticks (wet) Clay Lumps & Friable Particles Combination1 SS-3 Crushed Stone 2.0 5.0 5.0 SS-5 Crushed Stone 2.0 5.0 5.0 SS-7 Sand-gravel 2.0 5.0 5.0 SS-8 Sand-gravel 2.0 4.0 SS-9 Sand-gravel 2.0 3.0 SS-10 Sand-gravel 2.0 3.0 SS-14 Limestone gravel 1Of any deleterious substances.
d.Stockpiling . Stockpile and handle aggregates in such a manner to prevent detrimental degradation and segregation, the incorporation of appreciable amounts of foreign material, and the intermingling of stockpiled materials. 1112.3 TEST METHODS Test aggregates according to the applicable provisions of SECTION 1115. 1112.4 PREQUALIFICATION Prequalify aggregate sources according to subsection 1101.4 . 1112.5 BASIS OF ACCEPTANCE Aggregates covered by this subsection are accepted based on the procedures described in subsection 1101.5 .
Source: Kansas Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 683–690 of 978.