Bulk density of ballast slag for railways

Steel Slag Aggregate Characteristics Evaluation as Railway …

2021-8-5 · The bulk density of steel slag and basalt samples was 1570 kg/m 3 and 1420 kg/m 3, ... Delgado BG et al (2019) Mechanical behavior of inert steel slag ballast for heavy haul rail track: laboratory evaluation. ... Morata M, Saborido C (2017) Recycled aggregates with enhanced performance for railways track bed and form layers. J Sustain ...

Bulk Material Density Guide | Hapman | Ideas That Move

You can scroll through the entire list or start typing the name of a compound in the search field, all materials containing those characters will be displayed. Bulk Material. Bulk Density. lb/ft 3. g/cm 3. Acetaminohen Powder, Unmilled. 43. 0.688794. Acetylene Black, Compressed.

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

Rail Track Ballast | Tarmac

Rail track ballast serves as a bed for rail tracks and provides drainage and strength for heavy loads carried by trains. Ballast is the description for the aggregate beneath the rail track. ... Bulk bags. Rail Track Ballast contact. Loose / bulk aggregates. Bagged aggregates. [email protected] .uk. 03444 63 64 65. Nationwide network. UK ...

SPECIFICATIONS FOR TRACK BALLAST

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, …

SPECIFICATIONS FOR RAILWAY FORMATION

2018-7-26 · 2.5 Ballast: Crushed stones with desired specifications placed directly below the sleepers. 2.6 Sub-ballast: Sub-ballast is a layer of coarse-grained material provided between blanket/subgrade (where blanket is not provided) and ballast confined to width of ballast section only. However, sub-ballast is not in vogue on Indian Railways.

T HR TR 00192 ST Ballast

2019-5-23 · Ballast properties and configuration can affect the performance and safety of the rail network. This standard provides minimum requirements for the testing, delivery and configuration of ballast used in the TfNSW heavy rail network. 2. Purpose This standard sets the design, maintenance and performance requirements for ballast. 2.1. Scope

Rail Ballast

2021-6-9 · Rail Ballast Can be supplied to ARTC, RailCorp and AS2758.7 specifications Overview Hebden Quarries is a privately owned and locally operated business producing quality Rail Ballast from natural ignimbrite sourced rock materials at our Hebden Quarry located in the Hunter Valley NSW. Hebden Quarries have been operating for over 12years supplying

Slag aggregates for railway track bed layers: monitoring …

2016-8-22 · Canadian national railways (CNR) Specification 12–22, Slag ballast. On the other hand, in Brazil there is a process of standardisation of the steel slag underway at the Brazilian association for technical standards (ABNT) for its use as railway 284 Computers in Railways XV: Railway Engineering Design and Operation

Guidelines for Provision of Sub-ballast

8. Sketch a typical section of an MG line on wooden sleepers and show the ballast cushion and side slopes for a sleeper density of M + 3. 9. What size of ballast is used for the main line, and points and crossings on Indian Railways? 10. Write short notes on the following. (a) Abrasion test (b) Impact test (c) Oversized ballast (d) Sub-ballast. 9

Technical Note

2019-5-23 · When determined in accordance with AS 1141.4 the compacted bulk density of ballast material shall not be less than 1,400 kg/m: 3. 4.2 Flakiness Index . ... – Bulk Density, Clause 4.1 – Aggregate Crushing Value, Clause 4.3 – Wet Attrition Value, Clause 4.4

Bulk Density Of Aggregates | Loose And …

2012-7-30 · If a statement is like: A coarse aggregates with higher bulk density, then it means few of the voids can be filled by using fine aggregates and cement. For testing, British Standard (BS 812) has specified the degree of compaction. …

Railroad Ballast and Other Track Materials

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 vegetation and allows for track maintenance to be performed …

Geomechanical assessment of an inert steel slag

2021-4-12 · Koh et al. studied the over-time mechanical behaviour of a steel slag ballast used in a rail track in service and concluded ... Ballast: Bulk density (kg/m 3) 1800: 1550: 1800: 1550: Coefficient K 1 (MPa ... Engineering performance of steel slag as railway ballast, Proc. 10th Bearing Capacity of Roads, Railways and Airfields, Athens, Greece ...

Density of Cement Sand and Aggregate

2022-6-14 · Stone Ballast: 1720 kg/m 3: 107.33: 17.2: Stone chips: 1600 – 1920 kg/m 3: 99.84 – 119.81: 16.00 – 19.20: Density also decides the sinking property of a material. It is decided by knowing the density of the liquid. ... The Unit weight or bulk density of aggregate is the mass or weight of the aggregate required to fill a container of a ...

Research on Railroad Ballast Specification and Evaluation

Quarried stone ballast should be obtained from com­ petent strata of reasonable thickness. The extent of the rock deposit should be sufficient for economic ballast production. A large variety of rock types are used as ballast. In general, the fine hard min­ eral-grained unweathered aggregates make the best ballast.

Technical Note

Rail Track Ballast | Tarmac

Railway Ballast

Cloburn track ballast is a perfect material for rail tracks. It can withstand the toughest of conditions and has hard-wearing surfaces that don''t wear down quickly, making it an excellent choice when you need a high-quality ballast that can withstand hydrocarbons or water exposure without fail! Granite is a cost-effective and incredibly ...

Density Of Crushed Stone Ballast Used In Railway Tracks

By analyzing customers'' requirements and absorbing the world-class advanced technology, GM developed the HJ series jaw…

Density of Aggregate

2  · If the volume is unit then, Bulk Density= Mass. Unit in kg/m 3 or lb/ft 3. In this definition, the volume is that contains both the aggregates and the voids between aggregates particles. The approximate bulk density of aggregate that is commonly used in normal-weight concrete is between 1200-1750 kg/m3 (75-110 lb/ft3) .

Bulk Density and Voids in Aggregate, IS: 2386-3 …

2021-3-1 · The bulk density of aggregate will be reported in kg/litre to the nearest 0.01 kg/L. The voids in aggregate will be reported as a percentage to the nearest whole number. The condition of sample aggregate at the time of test shall be …

Engineering performance of steel slag as railway ballast

2022-3-29 · ABSTRACT. Steel slag is cubical in shape with a high angle of internal friction and high aggregate interlocking characteristics. The material has the potential for use as railway ballast. It is important to make sure several key performances in field to convince the railway agencies for further application.

Railway Geotechnics

The bulk density or unit weight of ballast affects strength, with increased density leading to increased strength. Selig and Waters ( 1994 ), Lambe and Whitman ( 1969 ), and others clearly show that both the angle of internal friction and the deviator stress at peak (σ 1f –σ 3f ) increase with increasing density (decreasing void ratio).

Mechanical behavior of inert steel slag ballast for heavy …

2019-9-1 · Fig. 1 shows the ballast materials studied and shows also two particles with the same size for both ISAC and granite, where it is possible to see the small differences in the surface roughness of the grains. Both ISAC and granite aggregate were sieved and properly homogenized, for the same PSD curve, on a 1:2.5 size parallel gradation from the full scale …

Railroad Ballast Density Measurement

Because existing methods were unsuitable for measuring the in-situ density of railroad ballast, studies were conducted to develop a new technique. A laboratory investigation was made of the various factors affecting the measurement of density in railroad ballast, which typically is composed of open-graded and coarse-grained aggregates.

Behaviour of Steel Slag Ballast for Railway under Cyclic …

2020-9-19 · The rapid development of semi-high-speed railways, increase in speed of existing railways, dedicated freight corridors and maintenance of existing track geometry under demanding operational conditions have become a necessity in India (Indian Railways Vision 2020 submitted by the ministry of railways, Government of India). Most of the Indian railway tracks are of …