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Crushed Aggregate Base Course Density

  • DEPARTMENT OF HIGHWAYS - 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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  • DIVISION II MATERIALS

    slag, crushed hydraulic cement concrete (CHCC), natural or crushed sand; with or without soil mortar. Subbase material may be used in a stabilized or unstabilized form. (b) Aggregate base material may be designated as Type I or Type II as follows: Type I shall consist of crushed stone, crushed slag, crushed hydraulic cement concrete (CHCC), crushed

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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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  • Summary of Testing of Recycled Crushed Concrete

    asphaltic concrete, and recycled crushed concrete base courses. Analysis of the data indicates that the pavements constructed . maximum density results before 1982 had a mean value, based on 119 tests, of 128.5 pounds per cubic foot (pcf) with a standard deviation of 2.6 pcf. . graded aggregate base course, which is the highest .

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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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  • 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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  • crushed aggregate base course density

    Crushed Aggregate Base Course Density - disindustrienl. 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 .

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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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  • ANALYSIS OF USING RECLAIMED ASPHALT PAVEMENT .

    ANALYSIS OF USING RECLAIMED ASPHALT PAVEMENT (RAP) AS A BASE COURSE MATERIAL Robert Locander . Aggregate base course (Class 6) is one of seven classes of unbound aggregate bases that may be . Specifications for Road and Bridge Construction(1). Aggregates for bases shall be crushed stone, crushed slag, crushed gravel, natural gravel, or .

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  • ITEM P-209 CRUSHED AGGREGATE BASE COURSE

    DESCRIPTION. 209-1.1 This item consists of a base course composed of crushed aggregates constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross sections shown on the plans.

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  • ITEM P-209 CRUSHED AGGREGATE BASE COURSE

    DESCRIPTION. 209-1.1 This item consists of a base course composed of crushed aggregates constructed on a prepared course in accordance with these specifications and in conformity to the dimensions and typical cross sections shown on the plans.

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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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  • Coarse Aggregate: Definition & Density - Video & Lesson .

    Coarse aggregate is also described by its bulk density, which is a property that can easily be tested in the laboratory. The standard testing procedure for this is the American Society of Testing .

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  • Specification for basecourse aggregate TNZ M/4

    CBR of the basecourse aggregate shall not be less than 80%. 4. PRODUCTION PROPERTIES Production properties of the aggregate shall be assessed by the testing specified in Clause 4.2 on representative samples of the crushed aggregate. Representative samples of aggregate may be taken from conveyor belt, bin, stockpile or truck.

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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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  • Summary of Testing of Recycled Crushed Concrete

    asphaltic concrete, and recycled crushed concrete base courses. Analysis of the data indicates that the pavements constructed . maximum density results before 1982 had a mean value, based on 119 tests, of 128.5 pounds per cubic foot (pcf) with a standard deviation of 2.6 pcf. . graded aggregate base course, which is the highest .

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  • RECYCLED CRUSHED CONCRETE BASE COURSE PART 1 G E .

    RECYCLED CRUSHED CONCRETE BASE COURSE PART 1 G E N E R A L 1.01 SECTION INCLUDES A. Recycled crushed concrete base (RCCB) course. . Field Method for Determining In-place Density of Soils and Base Materials. G. TxDOT Tex-120-E - Soil-Cement Testing. . 2.04 AGGREGATE A. Recycled Crushed Concrete: Material retained on No. 40 Sieve, and durable .

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  • Reclaimed Concrete Material - User Guideline - Granular .

    The properties of processed RCM generally exceed the minimum requirements for conventional granular aggregates. Being a 100 percent crushed material, processed RCM aggregates "lock up" well in granular base applications, providing good load transfer when placed on weaker subgrade.

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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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  • Aggregate - AfriSam

    The production of crushed aggregate may include quarrying (drilling and blasting) from solid rock, or may start with . Base Course Tertiary Crusher Wash Plant Delivery to Customer Quality Control . The apparent relative density of aggregate generally varies between 2.5 and 3.0.

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  • Successful G1 Crushed Stone Basecourse Construction

    SUCCESSFUL G1 CRUSHED STONE BASECOURSE CONSTRUCTION EDUARD KLEYN, Consulting Civil Engineer, Pretoria - [email protected] ABSTRACT G1 Crushed Stone for base course is not the same thing as crusher-run and it is not only a matter of density. It was developed during the late 1950's from single stage crusher-run

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  • 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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  • 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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  • ITEM P-208 AGGREGATE SURFACE COURSE

    208-3.6 ACCEPTANCE SAMPLING AND TESTING FOR DENSITY. The surface course will be accepted for density when the field density is not less than 95% of the maximum density, as determined according to . ITEM P-209 CRUSHED AGGREGATE BASE COURSE . DESCRIPTION .

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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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  • 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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  • 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 .

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  • AGGREGATE BASE COURSE MATERIAL TESTING AND .

    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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  • SECTION 301 ¾ TRAFFIC-BOUND BASE

    and to the full width of the aggregate base course. Use the same equipment and procedures intended for the construction of the remainder of the base course. After 2 passes of the compaction equipment the Department will mark and take 3 density measurements at randomly selected sites, at least 2 feet from the edge of the base.

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  • Division 4 Bases

    Crushed surfacing top course, base course, ballast, and gravel base, when mixed at a central plant, will be measured by the ton. The weight of water added at the plant will be deducted on a daily basis from the total tonnage of aggregates, including water, placed that day which were processed through the central plant and placed on the Roadway.

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  • Specification for basecourse aggregate TNZ M/4

    CBR of the basecourse aggregate shall not be less than 80%. 4. PRODUCTION PROPERTIES Production properties of the aggregate shall be assessed by the testing specified in Clause 4.2 on representative samples of the crushed aggregate. Representative samples of aggregate may be taken from conveyor belt, bin, stockpile or truck.

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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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  • 20 Spec -Section 301 Base, Subbase, and Subgrade .

    Section 301 Base, Subbase, and Subgrade Aggregate 301.1 Description (1) This section describes requirements common to sections 305 through 313 and 350. Exceptions and additional requirements are specified in those sections. 301.2 Materials 301.2.1 General (1) Provide coarse aggregates from a department-approved source as specified under 106.3.4.2

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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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  • **********************************************************

    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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  • base course aggregate compaction - Earthwork/grading .

    Jul 12, 2009 · 4. 7% OMC (optimum moisture content) seems a bit on the high side for pavement base courses I have used. It would suggest that you are not using crushed stone aggregate and that your base course material is a bit on the sandy side - or, forbid, the base course has significant fines that might be clayey in nature (high PI). 5.

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  • Item 247 Flexible Base

    Item 247 Flexible Base 1. DESCRIPTION Construct a foundation course composed of flexible base. 2. MATERIALS . Crushed stone produced and graded from oversize quarried aggregate that originates from a single, . Place successive base courses and finish courses using the same construction methods required for the first course.

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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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  • 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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  • SECTION 304 -- AGGREGATE BASE COURSE

    SECTION 304 DIVISION 300-- BASE COURSES SECTION 304 -- AGGREGATE BASE COURSE Description 1.1 This work shall consist of furnishing and placing base courses on a previously prepared subgrade or course as shown on the plans or as ordered. 1.2 This work shall also include raising the grade of the edge of the roadway shoulders with crushed aggregate as shown

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