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specification limits for clay lumps of aggregate base course

PART 9-MATERIALS

903.05-Aggregate for Mineral Aggregate Base and Surface Courses 721 903.06-Aggregate for Plant Mix Base and Leveling Courses (Hot ... Limits Per Cent by Weight 1. Clay Lumps 0.5 2. Coal and Lignite 0.5 ... with these Specifications. The aggregate shall be of 2 Types: Type A and Type B. ...

STANDARD CONSTRUCTION SPECIFICATIONS FOR ASPHALT …

one or more courses on a previously prepared base, seal coat of asphalt cement and cover aggregate, and bituminous surface treatment in single or multiple courses. Article 1.2 Applicable Standards The latest revision of the following standards: American Society for Testing and Materials

What is the difference between P208 and P209 base runway ...

The aggregate shall be free from lumps of clay, organic matter, and other objectionable materials or coatings. And for P-209 This item consists of a base course composed of crushed aggregate base constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross-sections shown on the ...

S20 CMM - 860 Materials Testing and Acceptance - Aggregates

April 2020 Construction and Materials Manual 2. History-marginal aggregate sources that do not have a history of at least five source approvals.3. Variability- marginal aggregate sources with a history of high variability. 860.2.4 Approved/Certified Aggregate Sources The department's approved aggregate sources can be viewed from the APL.

CLAY LUMPS AND FRIABLE PARTICLES IN AGGREGATE (ASTM-C …

Aggregate base course shall be accepted for density on a lot basis. A lot will consist of one day's production where it is not expected to exceed 2400 square yards (2000 square meters). A lot will consist of one-half day's production where a day's production is expected to consist of between 2400 and 4800 square yards (2000 and 4000 square meters).

SPECIFICATION P–208. AGGREGATE BASE COURSE

aggregate shall be free from vegetation, lumps, or excessive amounts of clay and other objectionable substances. ... 100 percent and a lower specification limit (L) of at least 97.0 percent of the maximum density of laboratory specimens prepared from samples ... Aggregate base course will be accepted for density on a lot basis.

Specifcation Of Ctusher Run Material

Standard Specification for Materials for Soil-Aggregate 1.1 This specification covers the quality and grading of the following materials for use in the construction of subbase, base, and surface courses: sand-clay mixtures; gravel; stone or slag screenings; sand; crusher-run coarse aggregate consisting of gravel, crushed stone, or slag combined ...

August 2015 No. 900 SPECIFICATIONS FOR AGGREGATE …

Clay balls are the percent by weight of particles retained on a 12.5mm sieve that are clay particles. The aggregate shall be well-graded and shall not vary from maximum to minimum of the specification ranges for consecutive tests. For Class "A" gravel base course, the field tests taken during any crushing shift shall yield an

Standard Specification for Aggregate for Single or ...

1.1 This specification covers the quality and sizes of crushed stone, crushed slag, crushed expanded shale, crushed expanded clay, crushed expanded slate, and crushed or uncrushed gravel suitable for use as aggregate in single or multiple bituminous surface treatments.

SECTION 3: SUB BASE AND BASE COURSES

3.01.04 AGGREGATES FOR BASE COURSES A. Aggregates for use in base course construction shall be either crushed stone or crushed gravel. The fine aggregate shall consist of screenings obtained from crushed stone, gravel or sand. Aggregate shall be washed if necessary to remove excessive quantities of clay, silty clay or salts.

MASTER SPECIFICATIONS Division 31 - EARTHWORK

Conditions and Division 01 Specification sections, apply to this section. ... free of subsoil, clay lumps, stones, rocks, weeds, roots, construction debris, and other ... B. Base Course: Aggregate layer placed between the subbase course and hot-mix asphalt paving.

Specification of Fine Aggregate | Quality and Grading of ...

Actual specification for the quality of coarse sand can be obtained by laboratory test but in general we can judge the quality of coarse sand in the field through the following ways. 1. Observe whether there are any lumps of earth or clay balls, grass and decayed vegetation etc. in …

AGGREGATE BASE AND SURFACE COURSE ITEMS

299-1.1 This item consists of an aggregate surface course composed of crushed or uncrushed coarse aggregate bonded with either soil or fine aggregate or both. It shall be constructed on a prepared course according to these Specifications and to the dimensions and typical cross section shown on …

Aggregate Production and Stockpiling - Alberta

When producing Designation 7 Class 40, "Cement Stab ilized Base Course Aggregate" in the event that clay lumps are encountered, the maximum allowable size of material shall be 25 mm. Acceptance of processed aggregates shall take place when they are in their final position and have met all the requirements of the Contract.

ITEM P-304 CEMENT-TREATED AGGREGATE BASE COURSE …

05-24-19 MSCAA 08-1260-03 ADDENDUM NO. 4 P-304 Page 1 ITEM P-304 CEMENT-TREATED AGGREGATE BASE COURSE (CTB) DESCRIPTION 304-1.1 This item shall consist of a cement-treated base (CTB) course composed of mineral aggregate and …

Modeling and performance evaluation of asphalt mixtures ...

Gradation of LS and EAFS aggregates as HMA aggregate, was fractionated to fall between the specification limits of the binder course (3-D) in accordance with the ECP, as shown in Fig. 3a. For the granular base layer, one target gradation (D) was used for the preparation of EAFS/LS blends as shown in Fig. 3b. Each fraction of both materials ...

crushing aggregate for base course pdf

SPECIFICATION P–208. AGGREGATE BASE COURSE. ... When producing Designation 7 Class 40, "Cement Stab ilized Base Course Aggregate" in the event that clay lumps are encountered, the maximum allowable size of material shall be 25 mm. Acceptance of processed aggregates shall take place when they are in their final position and have met all the ...

ITEM P-208 AGGREGATE SURFACE COURSE

208-1.1 This item consists of an aggregate surface course composed of crushed or uncrushed coarse aggregate bonded with either soil or fine aggregate or both. It shall be constructed on a prepared course according to these Specifications and to the dimensions and typical cross section shown on the Plans. MATERIALS . 208-2.1 GENERAL.

Sand Equivalent - Pavement Interactive

Overview. The sand equivalent test (Figure 1) is a rapid field test to show the relative proportions of fine dust or clay-like materials in fine aggregate (or granular soils). The term "sand equivalent" expresses the concept that most fine aggregates are mixtures of desirable coarse particles (e.g., sand) and generally undesirable clay or plastic fines and dust (ASTM, 2003{{1}}).These ...

703 AGGREGATE - Pages

703 AGGREGATE . 703.01 General 703.02 Aggregate for Portland Cement Concrete 703.03 Fine Aggregate for Mortar or Grout 703.04 Aggregate for Asphalt Concrete Base (301 and 302) 703.05 Aggregate for Asphalt Concrete (Intermediate and Surface Courses), Prime Coat (408), Chip Coat (422), and Microsurfacing (421) 703.06 Sand Cover (407 and 408)

SECTION 703 - AGGREGATES

Clay Lumps and Friable Particles AASHTO T 112 2.0 Materials Finer than No. 200 (75-µm) Sieve AASHTO T 11 1.5 Lightweight Pieces (Less than ... 703. 03 Aggregate for Hot Mix Asphalt Base Course. Aggregate for HMA base course shall conform to Subsection 703.09 - Aggregate …

5 Aggregate Specifications and Requirements

Aggregate Base Subbase Aggregate Pavement or Shoulders Summary of Gradation Requirements. 5-1 ... specification limits for each. Clay Lumps and Friable Particles ... courses. ITM 205 is used to ensure that the aggregate proposed is

Section 902 AGGREGATES

250, concrete base course, bridges, box or slab culverts, headwalls, retaining walls, pre-stressed concrete, or other heavily reinforced concrete. Avoid contamination with non-concrete materials, including joint sealants, HMA patching, and base layer aggregate or soil, when processing crushed concrete coarse aggregate. Limit contamination

Specification for basecourse aggregate TNZ M/4

SP/SM4:060418 SPECIFICATION FOR BASECOURSE AGGREGATE Page 4 of 15 4.2.1.2 Clay Index The clay index of the fraction of basecourse passing the 75 μm sieve shall not be greater than 3 when the aggregate is tested according to NZS 4407 : 1991, Test 3.5 Clay Index Test. 4.2.1.3 Plasticity Index

Manual of Standard Specifications

2.2 GEOGRID FOR ROADWAY SUBGRADE OR BASE COURSE A. Base course geogrid (BCG) is used for gradations of aggregate where the median of the aggregate size (D50) is between 0.75-inches and 1.25-inches. B. Large aggregate geogrid (LAG) is used where D50 is greater than 1.25-inches.

CW 3110 R21 SUB-GRADE, SUB-BASE AND BASE COURSE …

2.2 Base Course and Sub-Base Materials 2.2.1 Base course and sub-base materials shall conform to the following requirements: 2.2.1.1 Base course and sub-base materials will be of a type approved by the Contract Administrator. 2.2.1.2 Base course and sub-base materials shall be sound, durable particles produced by

4 Aggregate Specifications and Requirements

4 Aggregate Specifications and Requirements Physical Quality Requirements Fine Aggregates ... are classified as deleterious and the specification limits for each. ... Clay Lumps and Friable Particles Clay lumps and friable particles are materials that are easily crumbled or mashed with the fingers. Testing for these particles is performed by