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  • AGGREGATE BASE COURSE, TYPE A (SPECIAL)

    Description: This work shall consist of furnishing and placing aggregate base course material on a prepared subgrade or subbase. Materials: The aggregate shall meet the requirements of Article 1004.04 of the "Standard Specifications" except that: The aggregate material shall be limited to crushed gravel, crushed stone, crushed concrete or RAP.

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  • Martin Marietta Materials - Base (Dense-Graded Base Coarse)

    Base, Base Course, Graded Base Course (GAB), Aggregare Base Course (ABC)

    501 AGGREGATE BASE COURSES - SHA MediaWiki

    Maintain the temporary graded aggregate base wedge with a 4:1 or flatter fill slope. Compact the material as directed. Leave the graded aggregate base wedge in place until placement of the asphalt mix base. 501.03.01 Equipment. All equipment, including the production plant and .

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  • Aggregates | Fine, Base, Coarse, Rip Rap | Martin Marietta

    Aggregate base course is an engineered mixture of coarse and fine aggregate designed to support heavy loads and is used in many applications such as foundations for highways and buildings as well as support of equipment on unpaved surfaces such as job site roads and oil well pads.

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  • SECTION 703 - AGGREGATES

    course shall conform to Subsection 703.09 - Aggregate for Hot Mix Asphalt Pavement, except grading shall conform to Table 703.03-1 - HMA Base Course Grading Requirements.

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  • Standard Specifications for Road and Bridge Construction

    State of Wyoming Department of Transportation Cheyenne, Wyoming Standard Specifications for Road and Bridge Construction 2010 Edition Adopted by the Transportation Commission of Wyoming

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  • Aggregate Base Courses - Buildipedia

    An aggregate base course is the layer of soil installed between the surface pavement layer and subgrade (foundation soils) of either flexible (asphalt) or rigid (concrete) pavement.

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  • SECTION 301 TRAFFIC-BOUND BASE

    Construct traffic-bound base courses with one or more courses of coarse aggregate on a prepared subgrade. When the Contract provides for traffic-bound surfacing of road approaches, private entrances, and turnouts in conjunction with other highway surfacing or paving operations, perform such work according to Section 112.

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  • Aggregate | Phoenix, Buckeye, Avondale, Goodyear, Surprise ...

    Aggregate. Custom Landscape Materials, LLC operates three hard rock quarries and produces aggregate at all locations. The result of excavating and crushing hard rock is that in the ABC (aggregate base course) there is negligible clay silt contamination. West Valley Rock is the largest supplier of aggregate in Arizona and Southern California.

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

    1.3.1 Aggregate Base Course Aggregate base course (ABC) is well graded, durable aggregate uniformly moistened and mechanically stabilized by compaction. 1.3.2 Graded-Crushed Aggregate Base Course Graded-crushed aggregate (GCA) base course is well graded, crushed, durable aggregate uniformly moistened and mechanically stabilized by compaction.

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  • Base Course and Sub Base Course of Rigid Pavement | Civil ...

    Base Course of Rigid Pavement This is the layer directly below the PCC layer and generally consists of aggregate or stabilized sub-grade. It provides additional load distribution, contributes to drainage, uniform support to the pavement and a stable platform for construction equipment.

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  • for Road and Bridge Construction - CDOT

    i Colorado Department of Transportation Standard Specifications for Road and Bridge Construction 2011

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  • ITEM P-209 CRUSHED AGGREGATE BASE COURSE

    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. MATERIALS. 209-2.1 AGGREGATE. .

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  • Base course - Wikipedia

    Base course. Typical base course thickness ranges from 100 to 150 millimetres (4 to 6 in) and is governed by underlying layer properties. Generally consisting of a specific type of construction aggregate, it is placed by means of attentive spreading and compacting to a minimum of 95% relative compaction, thus providing the stable foundation needed...

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  • 02740 BASE COURSE AND PAVING

    Aggregate Base Course material shall be designated as ABC in accordance with Section 520, Aggregate Base Course, and Table 1005-1 Aggregate Gradation, Coarse Aggregate of the NCDOT Standard Specifications for Roads and Structures, latest

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  • 02310 Aggregate Base Courses - Caltrain

    A. Aggregate Base (except as used as sub-ballast): Aggregate shall conform to Caltrans Standard Specifications, Section 26, Class 2 Aggregate Base, 3/4 inch maximum gradation.

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  • BASE AGGREGATES

    B. Type II Plantmix Aggregate as specified in Subsection705.03.01, "Plantmix and Roadmix Bituminous Base and Surface Aggregate, Types Two Fine and Coarse and Three," may be used in lieu of Type II Base Aggregate as specified above.

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  • ABC Aggregate Base Course | MDI Rock

    ABC Aggregate Base Course Aggregate base course (ABC) is a great foundation and is often used underneath pavers, concrete, or asphalt. ABC packs down very well and leaves a compatible fill.

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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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  • DIVISION 300 BASES SECTION 304 AGGREGATE BASE .

    DIVISION 300 BASES SECTION 304 AGGREGATE BASE COURSE DESCRIPTION 304.01 This work consists of furnishing and placing one or more courses of aggregate and additives, if required, on a prepared subgrade. MATERIALS 304.02 Aggregate.

    Category:304 Aggregate Base Course

    Where required, measurement of aggregate base course, complete in place, will be made to the nearest square yard. Where the aggregate base course extends to the inslope of the shoulder, the pay limit of the aggregate base course will be measured from the mid-point of the sloped portion.

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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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  • NJDOT Aggregates Glossary - New Jersey

    HMA sand (bnk run other surf course) - Unwashed fine aggregate ("bank run") for other than Hot Mix Asphalt surface course. LA - Los Angeles Test for wear, in percent. mixed color glass - Recycled (mixed color) crushed container glass for use in bituminous concrete, when permitted by the specifications.

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  • SECTION 302 AGGREGATE BASE COURSES - Registration

    The aggregate shall be uniformly deposited on the approved subgrade by means of the hauling vehicle with or without spreading devices. Aggregate shall be distributed over the surface to the depth specified on the plans or established by the Engineer. B. After base course material has been deposited, it shall be thoroughly blade-mixed to full

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  • 32 11 23 Aggregate Base Course

    SECTION 32 11 23 AGGREGATE BASE COURSE PART 1 GENERAL 1.01 SECTION INCLUDES A. The WORK to be performed includes the preparation of the aggregate base course foundation; and the production, stockpiling, hauling, placing, and compacting of .

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  • 32 11 17 - Aggregate Subbase Courses

    E. Field quality control. A Aggregate base course for pavements is specified in Section 32 11 23 - Aggregate Base Courses. A. Aggregate subbases are designated as Class 1, Class 2, or Class 3. The class of aggregate subbase shall be indicated.

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  • Gradation and Size - Pavement Interactive

    Maximum aggregate size can affect HMA, PCC and base /subbase courses in several ways. In HMA, instability may result from excessively small maximum sizes; and poor workability and/or segregation may result from excessively large maximum sizes (Roberts et al., 1996 [1] ).

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  • 154 AGGREGATE SUBGRADE THICKNESS DETERMINATION

    The aggregate thickness was determined based on the soil IBV and soil classification. A thickness range from 12 to 24 inches was used where IBV was below 3. Thicknesses ranged from 6 to 12 inches where IBV was higher than 3. Figure 2 shows an example plan .

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  • CLASS II BASE COURSE - Section 302

    Base Course, Specification Section 301, will apply, except that a subgrade layer may not be required. In locations where normal construction practices for soil cement, cement treated or aggregate

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  • Cement Stabilized Aggregate Base

    Construct the subgrade for the cement stabilized aggregate base course in accordance with the requirements specified in Section 208. Complete the subgrade at least 500 feet ahead of the placement of base course materials where feasible. When included in the work, construct shoulders in accordance with the requirements of Section 209 and

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  • FM 5-430-00-1 Chptr 5 Subgrades and Base Courses

    The self-propelled aggregate spreader is the preferred piece of equipment for placing a base course. If a self-propelled spreader is not available, base-course material can be spread using towed ...

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

    Effective with the December 2017 Letting 116 2018 Standard Specifications. 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.

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