MICHIGAN DEPARTMENT OF TRANSPORTATION BUREAU OF ...

P-209, Crushed Aggregate Base Course Page 3 of 5 the materials to meet the specifications and to secure the proper moisture content for compaction. 3.3 Placing. The crushed aggregate base material shall be placed on the moistened subgrade in layers of uniform thickness with a mechanical spreader. The maximum depth of a compacted layer shall

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P-208 Aggregate Base Course - michigan.gov

Aggregate Base Course DESCRIPTION 1.1 This item shall consist of a base course composed of a partially crushed and uncrushed coarse aggregate combined with natural fine aggregates (sand) and soil. It shall be constructed on a prepared underlying course in …

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Densely-Graded Aggregate Base - University of Kentucky

SUBJECT: Density of Dense-Graded Aggregate Base; Ref., Your Memo 5c>15-59 Density requirements for crushed graded aggregate base courses are necessary to obtain the desired performance, i.e. to develop shear­ ing strength and to eliminate subsequent consolidation. The load trans­ mission of a particular base material is thereby indirectly ...

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304 Aggregate Base - Ohio Department of Transportation

Documentation Requirements – 304 Aggregate Base . Materials (304.02) All of the material requirements for 304 are located in section 703.17. This section allows the use of the following five material types: 1. Crushed carbonate stone (CCS) 2. Crushed gravel. 3. Crushed air cooled blast furnace slag (ACBFS) 4. Granulated slag (GS) 5.

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FLEXIBLE BASE 247.1. 247.2. A. Aggregate. Table 1 Material ...

Type A. Crushed stone produced and graded from oversize quarried aggregate that originates ... required density and moisture content. Provide a smooth surface that conforms to the typical sections, lines, ... Place successive base courses and finish courses using the same construction methods required for the first course.

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Category:304 Aggregate Base Course - epg.modot.org

When bituminous pavement cold millings or recycled crushed concrete are substituted for aggregate base, payment will be made for the aggregate base quantity provided in the plans, regardless of whether millings, recycled crushed concrete or the aggregate base is used. 304.2 Material Inspection for Sec 304 304.2.1 Scope

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02204 - Base Course - Juneau

A. Aggregate base course shall consist of crushed gravel or crushed stone, conforming to the quality requirements of AASHTO M 147. The aggregate shall be free from lumps, balls of clay, or other objectionable matter, and shall be durable and sound. B. Base course material shall conform to one of the following gradations as specified:

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AGGREGATE BASE COURSE DENSITY - NCDOT

AGGREGATE BASE COURSE DENSITY. The most recent Aggregate Base Course (ABC) unit weight test results performed by the NCDOT M&T Soils lab can be queried using this page. Use the drop down boxes to select the company and/or quarry submitting the sample. To see the results of all tests, click on the "Search" button without specifying a company or ...

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SECTION 02621 AGGREGATE BASE AND SUBBASE …

SECTION 02621 AGGREGATE BASE AND SUBBASE COURSES 02621.01 GENERAL A. Description Aggregate base and subbase courses shall include, but not necessarily be limited to, furnishing and placing one or more courses of aggregate, including additives when required, on a surface prepared in accordance with the Contract Documents. B. Related Work ...

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Asphalt Concrete Base (ACB) - Pavement Interactive

Asphalt concrete base (ACB), also called asphalt treated base (ATB), is a dense-graded HMA with a larger nominal maximum aggregate size (1 inch) intended for use as a base course or binder course (see Figure 1). In addition to site paving benefits, ACB can be advantageous because it can provide: A waterproof barrier to prevent fines infiltration into the subgrade and pavement structure.

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Base course - Wikipedia

The base course or basecourse in pavements is a layer of material in an asphalt roadway, race track, riding arena, or sporting field.It is located under the surface layer consisting of the wearing course and sometimes an extra binder course.. If there is a sub-base course, the base course is constructed directly above this layer.

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SECTION 301 AGGREGATE SURFACING

301.03.4 Crushed Aggregate Course . When crushed aggregate course is a bid item, construct the aggregate surfacing section to the specified typical cross section and profile grade. Select one of the following two options to construct the aggregate section: 1. Full depth crushed base course. 2.

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19 Spec -Section 301 Base, Subbase, and Subgrade Aggregate

Crushed stone or crushed gravel >= 85 percent aggregates Crushed concrete >= 90 percent crushed concrete that is substantially free of steel reinforcement and includes < 10 percent asphaltic pavement or surfacing, base, or a combination of asphaltic pavement, surfacing, and base, incorporated during the removal operation.

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Aggregates in Concrete - UW Courses Web Server

Aggregates in Concrete Concrete Technology 2 ... Aggregates Types Crushed Stone or Manufactured Mineral Aggregate ... density) of an aggregate is the ratio of its weight to the weight of an equal volume of water. Most natural aggregates have specific gravities between 2.4 and

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ITEM P-209 CRUSHED AGGREGATE BASE COURSE

DESCRIPTION. 209.1.1 . This work shall consist of furnishing and placing one or more courses of crushed aggregate base on a prepared subgrade in accordance with these specifications and in conformity with the lines, grades, thicknesses and typical cross sections shown on the plans.

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32 11 23 Aggregate Base Course - UDFCD

aggregate base course. Fill shall be placed withi n two percent (2%) of optimum moisture content and compacted to a minimum of ninety five percent (95%) of the Maximum Standard Proctor Density (ASTM D698). Deviations in aggregate base course under pavements of more than one …

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SPECIFICATION P–208. AGGREGATE BASE COURSE

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

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Base Aggregate Calculator - csgnetwork.com

Then, click on either Base Rock, Drain Rock, or a Custom Density material selection. The Base Rock and Drain Rock selections will supply a default density of the rock; the Custom selection requires an entry for rock density in the Density field. Finally, click on the Calculate button. The calculated number of tons of aggregate will be returned.

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Construction Aggregate Calculator - Vulcan Materials Company

Construction Aggregate Calculator. Enter the width, length, thickness, and product density and hit the "Calculate" button to calculate your estimate. If you do not know the product density, use the optional density estimator* or contact a local sales representative.

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Section 815 Graded Aggregate

Section 815—Graded Aggregate 815.1 General Description This section includes the requirements for material to be used for base, subbase, or shoulder course material, and includes graded aggregate, unconsolidated limerock base, and crushed concrete base. 815.1.01 Related References A. Standard Specifications Section 800—Coarse Aggregate

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Section 902 AGGREGATES - mdotcf.state.mi.us

Do not use crushed concrete coarse aggregate in the following: mainline pavements or ramps with a commercial ADT greater than or equal to 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 ...

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Reclaimed Asphalt Pavement - Material Description - User ...

Granular Base Aggregate. To produce a granular base or subbase aggregate, RAP must be crushed, screened, and blended with conventional granular aggregate, or sometimes reclaimed concrete material. Blending granular RAP with suitable materials is necessary to attain the bearing strengths needed for most load-bearing unbound granular applications.

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Densities for Use in - Iowa Department of Transportation

Crushed HMA for use as Subbase : 127 pcf — — Base Course . 145 pcf 155 pcf : 150 pcf . Intermediate Course 147 pcf 155 pcf 150 pcf Surface Course 147 pcf 160 pcf 155 pcf . The following densities should be used for estimating quantities of granular material. Table 2: Granular Material Densities . Material English. Granular Subbase . 135 pcf

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AGGREGATE BASE COURSE MATERIAL TESTING ... - …

AGGREGATE BASE COURSE MATERIAL ... with high quality crushed aggregate materials. The objective of this study was to evaluate rutting potentials of aggregate ... moisture-density, resilient modulus, shear strength, and permanent deformation. The concept of Shear Strength Ratio (SSR), defined as the ratio between applied stress levels and the ...

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Aggregate Base Density Data - Earthwork/grading ...

Jun 09, 2005· The (150-180) density data comes from a "Design and Control of Concrete Mixtures" book and appears to refer to the "particle" density of aggregate. However, since the aggregate is made up of particles, it is reasonable that the compacted density of the aggregate is between (150-180 lb/ft^3).

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Standard Specification for Graded Aggregate Material For ...

1.1 This specification covers quality-controlled graded aggregates that, when hauled to and properly spread and compacted on a prepared grade to appropriate density standards, may be expected to provide adequate stability and load support for use as highway or airport bases or subbases.

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Specifications For CRUSHED AGGREGATE BASE COARSE #2 & …

Crushed Aggregate Base Coarse (Compaction Gravel) shall consist of one or more courses or layers of coarse aggregate, either crushed gravel or crushed stone, fine aggregate and binder or filler blended as necessary to produce an intimate mixture of the required gradation and stability.

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Specifications For CRUSHED AGGREGATE BASE COARSE #2 …

Crushed Aggregate Base Coarse (Compaction Gravel) shall consist of one or more courses or layers of coarse aggregate, either crushed gravel or crushed stone, fine aggregate and binder or filler blended as necessary to produce an intimate mixture of the required gradation and stability.

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drawings should be referred to as "graded-crushed aggregate base course (GCA)" wherever a base material with a CBR of 100 is required. "Graded-Crushed Aggregate Base Course" should be retained in the title and the rest of the specification should be edited accordingly to retain the information necessary for this material. c.

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Aggregate base - Wikipedia

Aggregate base is a construction aggregate typically composed of crushed rock capable of passing through a 20 millimetres (3 ⁄ 4 in) rock screen.The component particles will vary in size from 20 mm down to dust. The material can be made of (newly mined) rock, or of recycled asphalt and concrete.

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