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PART 2 CONSTRUCTION MATERIALS

576; 676: 776: 876: grade b coarse aggregate (recyc pcc) for concrete *** *** 691: 791 *** grade b coarse aggregate (recyc pcc) for concrete

5 Aggregate Specifications and Requirements

2. Crushed aggregate base coarse (Compaction Gravel) shall be purchased per standard ton with a standard ton to weight 2,000 pounds for the purpose of this contract. Material shall be ordered in full truck load lots. 3. Contractor shall proceed with delivery of crushed aggregate base coarse (Compaction Gravel) upon 12 hour notice. 4.

Technical Specifications Supplement To the "2015 Green …

Item P-209 crushed aggregate base course63 Кб. The fine aggregate shall have a minimum sand equivalent value of 35 when tested in accordance with ASTM D 2419. Sampling and Testing.The crushed aggregate base material shall be placed on the moistened subgrade in layers of uniform thickness with a mechanical spreader.

PHYSICAL PROPERTIES OF AGGREGATES

Physical Properties of Aggregates 4 Coarse Aggregate Angularity • Measured on + 4.75 mm material • Based on fractured faces – fractured surface larger than 25% of aspect ratio • ASTM D 5821 • Specification requirements depend on: – depth of layer within pavement

Material Codes for Aggregate (03

576; 676: 776: 876: grade b coarse aggregate (recyc pcc) for concrete *** *** 691: 791 *** grade b coarse aggregate (recyc pcc) for concrete

astm code for aggregate crushing value

CRUSHED AGGREGATE BASE COURSE . 230.1 Description. This item shall consist of a foundation course for a surface course or for other base courses and shall be composed of crushed aggregate materials; and shall be constructed as herein specified in one or more courses in conformity with the typical sections shown on the plans

SECTION 304

Any base material used for the project work shall be Crushed Aggregate Base per Section 200-2.2 Crushed Aggregate Base, or Crushed Miscellaneous Base per section 200-2.4. ... the top course shall have aggregate grading of Class C- ... constructed of ASTM B62(85-5-5-5) Copper Alloy 836 bronze--except stem shall be copper - 4 - ...

Crushed Stone

Gradation of stone and rock is found by ASTM C136, the Test Method for Sieve Analysis of Fine and Coarse Aggregates. Gage numbers are used to identify aggregate. ASTM No. 57 aggregate is found using a 1.5-inch sieve, through which all of the stones will pass. No ASTM 57 aggregate stone is smaller than a No. 8 seize with a 0.0937-inch sieve.

Crushed Rock, Top Course Gravel, Driveway Gravel near ...

4.6.2 Crushed Aggregate Base. The crushed aggregate base material shall consist of a uniform mixture of crushed coarse aggregate, fine aggregate and filler. The combined aggregates including the filler shall meet the requirements of the gradation in Table IV using methods described in ASTM C 117 and C 136. Table IV – Crushed Aggregate Base ...

ASTM

HL 2, HL 3, HL 3F, HL 4, HL 4F, Superpave 4.75, 9.5, 12.5 surface course mixes; HL 4, HL 8, Medium Duty Binder Course (MDBC) and Heavy Duty Binder Course (HDBC), Superpave 19.0, 25.0 & 37.5 binder course do not require the use of designated source aggregates, but, in some cases, do require that minimum crushed aggregate percentage and source ...

ASTM

ASTM C 131 15 Maximum 52 Maximum 200-1.2.1 Screenings. Screenings when used as a cover aggregate for asphalt emulsion chip seals in accordance with 302-2.5, shall be composed of crushed rock and will be designated by the name of the size of screenings and shall conform to the following gradations in Table 200-1.2.1 (A):

Aggregates Specifications | Ontario Sand, Stone & Gravel ...

minimum cross-sectional area. Specifications contain requirements for percentage of crushed aggregate particles, with the purpose of maximizing shear strength in either bound or unbound aggregate mixtures. This method may be used in determining the acceptability of coarse, dense-graded, and open-graded aggregates with respect to such requirements.

DETERMINING PERCENT OF FRACTURED PARTICLES IN …

Aggregate Specifications. Current edition approved Oct. 1, 2017. Published October 2017. Originally approved in 1937. Last previous edition approved in 2012 as D448 – 12. DOI: 10.1520/D0448-12R17. 2 For referenced ASTM standards, visit the ASTM website,, or contact ASTM Customer Service at [email protected] For Annual Book of ASTM

Specifications For CRUSHED AGGREGATE BASE COARSE #2 …

2.11 Crushed stone base course (coarse gradation). Acceptable sand may be blended as necessary to obtain the proper gradation for the fine aggregate portion. 2.11.1 The substitution of crushed stone meeting the requirements of crushed stone base course (fine gradation) for all or part of this item will be permitted. Construction Requirements

crushed gravel base course

CRUSHED AGGREGATE BASE COURSE . 230.1 Description. This item shall consist of a foundation course for a surface course or for other base courses and shall be composed of crushed aggregate materials; and shall be constructed as herein specified in one or more courses in conformity with the typical sections shown on the plans

ASTM D2940 / D2940M

ASTM C 131 15 Maximum 52 Maximum 200-1.2.1 Screenings. Screenings when used as a cover aggregate for asphalt emulsion chip seals in accordance with 302-2.5, shall be composed of crushed rock and will be designated by the name of the size of screenings and shall conform to the following gradations in Table 200-1.2.1 (A):

ASTM

ASTM-D1241 Standard Specification for Materials for Soil-Aggregate Subbase, Base, and Surface Courses - coarse aggregate; crushed stone; fine aggregate; gradation; granular materials; gravels; soil–aggregate subbase, base, and surface courses;; ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)

Aggregates Specifications | Ontario Sand, Stone & Gravel ...

tested in accordance with ASTM C 88. Gradation requirements for graded crushed aggregates are as. follows: Table 8-1. Gradation Requirements for Graded Crushed Aggregates, Base Courses, and Aggregate Base. Courses. Percentage by Weight Passing Square-Mesh Sieve. Sieve Designation. No. 1. No. 2. No. 3. 50-mm (2-in.) 100----37.5-mm (1-1/2-in.) 70 ...

Section 815 Graded Aggregate

1.1 This specification covers crushed aggregate suitable for use in the construction of dry- or water-bound macadam base courses and bituminous penetration macadam base and surface courses of pavements. 1.2 The values stated in inch-pound units are to be regarded as standard. The SI equivalents shown in parentheses may be approximate. Keywords

Retained on Sieve Conforming Percent Retained, By to ASTM ...

P-208 SPECIFICATION P–208. AGGREGATE BASE COURSE DESCRIPTION 208–1.1 This Work consists of a base course composed of hard, durable particles or fragments of crushed coarse aggregate blended with either binder and fine aggregate or filler. Construct it on a prepared underlying course in accordance with these Specifications and in conformance

crushed gravel base course

701.02.4 Crushed Base Course Type "A" Furnish crushed base course Type "A," including added binder or blending material, meeting Table 701-8 gradation requirements. Glass Cullet meeting Subsection 701.11 requirements may be used as blending material. TABLE 701-8 TABLE OF GRADATIONS - CRUSHED BASE COURSE TYPE "A"

305 Dense

[2] 8.0 - 15.0 percent if base is >= 50 percent crushed gravel. [3] 4.0 - 10.0 percent if base is >= 50 percent crushed gravel. (2) Unless the plans or special provisions specify otherwise, do the following: 1. Use 1 1/4-inch in base course layers. Always use 1 1/4-inch in the top 4 inches of base. The contractor