2013-6-28 · Stone Class 2 Ballast Soundness Less than 7.0% at 5 cycles. Less than 10.0% at 5 cycles. C 88 Coarse aggregate only, magnesium sulphate solution. Abrasion Loss Less than 20%. Less than 30%. C 535 ASTM Grading "2". 8 Grading The ballast and trowelling stone shall conform to the grading requirements shown below. % Passing by Mass Sieve Size Class ...

Density of Construction Materials in kg/m3 and lb/ft3 ...

Density is also called as unit weight of substance. It is represented by symbol called row ( p). Density represents the degree of compactness of material. If the material is of more density, it is more compacted material. Density is defined as the ratio of mass to …

Stone Sizes | David H. Martin Excavating, Inc.

PA2A. Size 2 Inch Topsize. Description. PA2A is a mixture of coarse stone and crushed stone dust. It is used as a road base or an under-slab fill. It will drain and has a structural coefficient, making it ideal when stability and drainage are a concern. PA2A is a primarily clean material. 2RC/ 2A Modified.

Density of Aggregate

2021-8-26 · The relative density (specific gravity) of an aggregate is the ratio of its mass to the mass of an equal volume of water. Relative Density = Mass of the Aggregate / Mass of equal volume of water. Key Features: Most aggregates have a relative density between 2.4-2.9 with a corresponding particle (mass) density of 2400-2900 kg/m 3 (150-181 lb/ft 3).

Rail Ballast (35-50mm)

Rail Ballast (35mm-50mm) £ 4.32 – £ 54.19. Rail Ballast is 35-50mm. Aggregates Direct supplies Network rail approved rail ballast on a national basis in bulk bags and loose tipped. We can offer a 24hr delivery service to the majority of the UK mainland, …

Aggregates Supplier in Ireland From the Quarry | Roadstone

Aggregates are used in the downstream production of our various end products such as Ready Mix Concrete, Concrete blocks, Masonry and Mortars and Asphalt. Technical Specification. The most commonly produced sizes include: 0/4mm, 2/6.3mm, 4/10mm,10/14mm, 14/20mm, 20/31.5mm, 31.5/40mm. Aggregates.

Division 4 Bases

2021-8-22 · 4-04 Ballast and Crushed Surfacing 4-04 Ballast and Crushed Surfacing 4-04.1Description This Work consists of constructing one or more courses of crushed stone upon a prepared Subgrade in accordance with these Specifications in conformity with the lines, grades,

Mass, Weight, Density or Specific Gravity of Bulk Materials

2016-3-6 · As specific gravity is just a comparison, it can be applied across any units. The density of pure water is also 62.4 lbs/cu.ft (pounds per cubic foot) and if we know that ammonium nitrate has a sg of 0.73 then we can calculate that its density is 0.73 x 62.4 = 45.552 …

Construction aggregates | Aggregate Industries

2021-8-22 · We''re at the frontline of the construction and infrastructure industries, producing and supplying an array of construction materials. With over 200 sites and around 3700 dedicated employees, we''re home to everything from aggregates, …

Railroad Ballast and Other Track Materials

Railroad ballast is one of the most demanding applications for crushed stone. Railroad ballast serves as a bed for railroad tracks and provides track stability, drainage, and support of significant loads carried by railcars. In addition, it deters the growth of …

Aggregate Base Density Data

 · 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).

Geotechnical properties of ballast and the role of ...

2020-10-13 · The specific gravity and bulk density of the ballast are two properties that play pivotal roles in rail track safety. Bulk density is a function of the particle specific gravity and the void ratio. Two methods can be employed to increase the bulk density: the use of …

road density of stone ballast

2012-12-9 · road density of stone ballast. Posted at:December 9, 2012[ 4.5 - 3071 Ratings] Track ballast – Wikipedia, the free encyclopedia. It is typically made of crushed stone, although ballast has sometimes consisted of other, …

ETA-04-01 Ballast Specification

2019-1-16 · the ballast may be rejected following petrographic analysis or durability testing, even though the rock complies with other sections of the specification. 6.2 Bulk Density When determined in accordance with AS 1141.4 the compacted bulk density of ballast material shall not be less than 1200 kg/m3. 6.3 Particle Density

Density of Cement Sand and Aggregate | Cement Density ...

2021-8-25 · The Density of Sand utility returns sand density based on sand conditions (wet/dry in bulk / packaged).. The density of the sand is affected if the sand is compacted (bulged) or loose and if it is wet or dry.When packed, the grains of sand are forced to form a narrower formation, and more matter is in the volume.. Natural sand i.e. locally available River sand having a bulk density of 1.71 kg ...

Road Aggregate 101: Important Stuff

2012-10-11 · 10/11/2012 7 Road Aggregate 101: Nominal maximum and/or minimum sized stone in mix The nominal size distribution of an aggregate specification is defined as the range of sieve openings through which of the aggregate can pass. Road Aggregate 101: Gradation or distribution of different sized stones

Selection and Maintenance of Ballast

2018-5-2 · his road, chairman Kellogg said that some difficulty of this nature had been encountered where crushed stone ballast containing relatively large particles was used. As a result,. ballast having a maximum size of 1-1/2 in. was adopted. Chairman Kellogg also stated that 3/4in. ballast had been used on ballast- -deck bridges, and he

Calculate #4 Limestone Ballast | cubic yards / 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. A:

Density of Coarse Aggregate

Density of coarse Aggregate. Following are the density of coarse aggregate. Broken stone ballast. Dry well shaken=1600—1870 kg/cum. Perfectly wet =1920—2240 kg/cum. Shingles 3-38mm=1460 kg/cum. Gravel. Loose = 1600 kg/ cum. Un disturbed =1920-2160 kg/cum.

Weight Conversion Tables

Gabion Stone (65-150mm) 1.5 tonnes per cubic metre. Gabion Stone ( 150-250mm) 1.2 per cubic meter. Lias 2.48 tonnes per cubic metre Granite 2.72 tonnes per cubic metre Slate 2.8 tonnes per cubic metre flint 2.3 tonnes per cubic metre Yorkstone 2.5 tonnes per cubic metre 1 yard of soil = 1.45 tons of soil, please don`t ask how i worked it out

Graniterock: Technical Reports

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 products. Although ballast specifications have evolved over time, our ...


aggregate for road works and railway ballast. A good stone should not show wear of more ... these can be drastically different in density, hardness, porosity, and aesthetics.

#4 Limestone Ballast

About #4 Limestone Ballast #4 Limestone Ballast Stone is a crushed angular Limestone aggregate. Sizes of #4 Stone range from 1 1/2" to 2 1/2". Common applications: Driveway Gravel (special build driveways to support heavy vehicles/items like boats or dump trucks, for example, on muddy roads - although for normal driveways we recommend the #57 size which is the standard).

Aggregate Road Base & Gravel Material Austin Texas

We specialize in producing geo-tech lab qualified flex-base and road base, pipe bedding gravels, drainage and ballast gravel, select fill, foundation fill screenings & crusher fines, rip-rap, embankment fill, topsoil, landscape boulders, made-to-order materials, purchase order …

Bulk Aggregates & DIY | Try our Aggregate Calculator

Quarried products can vary in density. First choose which product you are going to use: 10mm & 20mm Gravel 40mm MOT, DOT and 40mm & 75mm Crusher Runs Sharp Sand Ballast 40mm & 75mm Clean Stone Recycled Crushed Brick & Concrete (6F5/6F2)

road density of stone ballast

road density of stone ballast [randpic] road density of stone ballast BINQ Mining 2012-12-9 road density of stone ballast. Posted at:December 9, 2012[ 4.5 3071 Ratings] Track ballast, the free encyclopedia. It is typically made of crushed stone, although ballast h


2006-10-11 · SPECIFICATION FOR TRACK BALLAST. 1 SCOPE: These specifications will be applicable for stone ballast to be used for all types of sleepers on normal track, turnouts, tunnels and deck slabs etc. on all routes.. 2 DETAILED SPECIFICATIONS:. 2.1 GENERAL.. 2.1.1 Basic Quality: Ballast should be hard durable and as far as possible angular along edges/comers, free from …

Railroad Ballast (Rock): Specifications, Sizes, Background

Track ballast (usually crushed stone), as it is known, is another important part of railroad infrastructure. Although it may just look like plain ole gravel this stone plays a vital role in acting as a support base for the railroad ties and rails as well as allowing for proper drainage of water away from the rails (which is why the stone is always sloped downward and away from track).

Crushed Stone

2021-8-22 · Rail Road Ballast Stone. Lorusso Corporation provides Railroad Ballast Stone that meets all AREMA (American Railway Engineering and Maintenance of Way Association) standards. We provide standard sizes and custom blends are available to …

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