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4-04 BALLAST1 AND CRUSHED SURFACING 2 3 4-04.2

4-04 BALLAST1 AND CRUSHED SURFACING 2 3 4-04.2 Materials 4 (November 30, 2015, APWA GSP) 5 This section is supplemented with the following: 6 Permeable Ballast Base7 Course 9-03.9(2)A 8 Crushed Surfacing Choker Course 9-03.9(3)A 9 10 Aggregates shall meet the requirements for grading and quality when placed in hauling vehicles for delivery to …

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BALLAST-spec-Nov 2014.ppt

24. 28 •SIZE AND GRADATION: FULL RATE PAYMENT Retained on 65mm sq. mesh sieve - 5% Maximum Retained 40mm sq.mesh sieve For machine crushed ballast : 40% to 60% For hand broken ballast : Not required, but the executive must ensure that the ballast is well graded between 65 mm and 20 mm sieve. Retained on 20mm sq.mesh sieve Not less than …

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¾ Inch CM11 Crushed Gravel

¾ Inch CM11 Crushed Gravel. CA7, 3/4" Gravel Chips. Product Information; 3/4 Inch CM11 Crushed Gravel Overview. ¾" crushed gravel is great for use as bedding for both underground pipe and concrete flatwork. It is also used in drainage systems, creating a backfill and base for retaining walls, and can be mixed with cement in order to produce ...

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Crushed Rock Track Ballast Specification

2.4 FRACTURED FACES The crushed rock ballast shall be fully issued from crushing operations. The crushed ... percentages will be required within each sieve size coarser than ¾ inch (19 mm). 2.5 FLAT PIECES The crushed rock ballast shall not exceed 5 % by weight of flat and elongated ... ballast gradation passing the ¾ inch sieve is as defined ...

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ITEM P-209 CRUSHED AGGREGATE BASE COURSE

1 inch 70-100 100 ±5 3/4 inch . 60-90: 70-100. ±8 : 3/8 inch 45-75 50-80 ±8 No. 4 . 30-60: 35-65. ±8 : No. 8 22-52 20-50 ±8 No. 50. 2. 6-30: 6-30. ±5 : No. 200. 2 0-5 0-5 ±3 1 The "Job Control Grading Band Tolerances for Contractor's Final Gradation" in the table shall be applied to "Contractor's Final Gradation" to establish ...

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inch crushed ballast gradation

Universal Ballast Gradation Ballast gradation is a primary factor affecting the stability, safety and drainage of tracks. A specified ballast gradation must provide the following two key objectives [12]: Ballast must have high shear strength to provide increased stability and minimum track deformation. This can be achieved by

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Aggregate Gradation Chart

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Aggregate Sizing Explained

For instance, a ¾" nominal size graded aggregate means that most of the aggregate particles pass through a 3/4" sieve. All-in aggregate, also known as Ballast, is a mixture of material from various sizes from a pit, crushing plant …

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Crushed Stone Products

Additionally, crushed stone is crucial in railroad construction as ballast and in erosion control to stabilize slopes and prevent soil movement. ... Aggregate Gradation Chart. Crushed Stone Products. Just a sampling of the Crushed Stone Products We Carry ... Pink White Crushed Stone; Crushed Sandstone 3/4 Inch; Gray Tan Crushed Stone 3/4 Inch ...

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Calculate Ballast Rock 4"- 6" | Cubic Yard (or Feet) to Tons

Calculate Ballast Rock 4"- 6" Type in inches and feet of your project and calculate the estimated amount of Rip Rap / Boulders in cubic yards, cubic feet and Tons, that your need for your project. The Density of Ballast Rock 4"- 6" : 2,410 lb/yd³ or 1.21 t/yd³ or 0.8 yd³/t

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02220

Ballast Rock: Ballast rock shall be composed of hard, durable, sound pieces having a specific gravity of not less than 2.65. It shall be crushed rock conforming to the following gradation: …

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Special Specification 5104 Ballasted Track Construction

Supply crushed granite stone ballast in conformance to AREMA Chapter 1, Part 2. Ballast must be hard, dense, and of angular particle structure providing sharp corners and cubical fragments, …

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34 11 27

3. Calif. Test 205 Method of Test for Determining Percentage of Crushed Particles . BALLASTED TRACK RELEASE - R3.0.3 SECTION 34 11 27 BART FACILITIES STANDARDS ... 3/4-inch maximum grading, with the following additional requirements: Aggregate for subballast shall ... A. Provide ballast gradation shown in Table 5.

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7 Different Crushed Stone Sizes and Their …

#8 – These stones are between 3/8 and 1/2 inch long. It is the most common stone used for concrete mixes. #10 – Crushed stone #10 is known as screenings or dust. Most use this material to create pavers and concrete …

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Base Gravel for Driveways, Parking Lots, and …

Crushed Surfacing Base Course (CSBC) is a crushed rock product containing minus (also known as fines). It's a state-spec gravel made up of rock pieces up to 1¼" in diameter. ... Ballast. Crushed Recycled Concrete. Foundation Material. …

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Graniterock: Technical Reports

AREMA #4 1 ½″ Ballast. Over 100 years ago Graniterock was created to produce Crushed Granite Railroad Ballast to the burgeoning rail industry. This ballast was used to create an extensive rail network throughout Northern and Central California. Consequently, Graniterock has long been recognized as a major supplier of quality ballast ...

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3/4″ Drain Rock

It's a high-quality product that is produced with manufactured crushed rock fines. It can also […] More Info. Proud Members of The Family. 4343 Stage Gulch Road, Sonoma, CA 95476 (707) 996-3400. 2759 Llano Road, Santa Rosa, CA, 95407 (707) 575-7275. 7171 Stony Point Road, Cotati, CA, 94931

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Aggregates 101

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Calculate #4 Limestone Ballast | Cubic Yard (or Feet) to Tons

Calculate #4 Limestone Ballast Type in inches and feet of your project and calculate the estimated amount of Gravel Stone in cubic yards, cubic feet and Tons, that your need for your project. The Density of #4 Limestone Ballast: 2,410 lb/yd³ or 1.21 t/yd³ or 0.8 yd³/t

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Investigation of Ballast Degradation and Fouling Trends …

The ballast material used in the laboratory was a crushed limestone, which followed AREMA No. 24 gradation requirements as illustrated in Figure 1. Ten ... Figure 1: Gradation of limestone ballast material . 4 3 E-UIAIA and digital image segmentation Recently, an enhanced, second generation UIAIA has been designed and ...

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Fouled Ballast Definitions and Parameters

size diameter of 22.4 mm (1 inch) ... fouled with crushed ballast ... analyses performed by considering fouled ballast gradation with grain-size diameter of 22.4 mm gives rise to a ballast maximum ...

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Sand / River Rock / Crushed Rock / Cobblestone / …

Front Range Material Inc. sells in wholesale a range of washed river rock and crushed rock products throughout Colorado. Lafayette, CO Hours of Operation Monday through Friday 8:00 AM to 4:00 PM Phone: 303-425-9992 ... - …

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DIVISION III MATERIALS

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Influence of Particle Packing, Size, and Gradation on

This paper presents effect of ballast form and packing on its crushing strength and fragmentation behavior using the discrete element method (DEM). Bubblepack algorithm was chosen for this study to generate the ballast with different forms and packing conditions. Two key parameters, namely the bubblepack ratio ( $$rho $$ ρ ) and overlapping distance ( $$Phi $$ …

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Performance Evaluation of Graded Aggregate as a Base …

The GAB gradation is summarized in TABLE 3. Also, TABLE 4 shows the average of three individual plate bearing, density, moisture, and LBR tests performed during construction.

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Special Specification Template

Sub-ballast Gradations . Sieve Size % Passing (optimum) % Passing (permissible) 2" 100 100 1" 95 90-100 3/4" 67 50-84 No. 10 38 26-50 No. 40 21 12-30 No. 200 7 0-10 . 2.3. Ballast. 2.3.1. Supply crushed stone ballast that is hard, dense, of angular particle structure providing sharp corners and cubical fragments, free of deleterious ...

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#4 Rock Crushed Concrete

About #4 Rock Crushed Concrete #4 Rock Crushed Concrete is made up of Crushed Concrete from 1 inch to 4 inches in size. ... #4 Limestone Ballast #4 Granite Stone. 2A Limestone . Commercial #57 Limestone Gravel #5 …

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Crusher Product Gradation Charts

These charts, curves, and tables give the percentages passing or retained on standard size screens for each given setting of the crusher. The distribution of product sizes …

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Ballast Rock Washed Size 3/4" for Sale | Silvi Materials

3/4″ Washed. Our most popular stone, #57 stone, washed ¾″ gravel from Silvi Stone, is among the cleanest you'll find anywhere. Primary use: ready-mix concrete and asphalt Other common uses: pipe bedding, drainage, landscaping, and miscellaneous Approved size for NJDOT, NYDOT, and PennDOT projects

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Field Validated Discrete Element Model for Railroad Ballast

crushed aggregates. Figure 6 shows size distributions of all the ballast materials studied. ... inch size particles. As a result, RR 4 had fewer particles smaller than 1-1/2 inch size than are ... This ballast gradation was closest to being a single size. On the other hand, the ballast material donated by railroad 2 (RR 2) had the smallest

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