Specific Gravity Of General Materials Table

342 · Aug 12, 2011· The specific gravity of all other materials are compared to water as a …

Assessment of ballast fouling and its implications on ...

considers variations in the specific gravity of ballast and fouling materials, is proposed to evaluate the amount of fouling. A series of large scale constant head hydraulic conductivity tests were conducted to establish the relationship between the extent of fouling and the associated hydraulic conductivity.

Standard Test Method for Relative Density (Specific ...

5.2 Relative density is used to calculate the volume occupied by the aggregate in various mixtures containing aggregate, including hydraulic cement concrete, bituminous concrete, and other mixtures that are proportioned or analyzed on an absolute volume basis. Relative density (specific gravity) is also used in the computation of voids in aggregate in Test Method C29/C29M.

Specific Gravity and Water Absorption Tests on Aggregates ...

Feb 22, 2010· Recommended Values of Specific Gravity and Water Absorption for Aggregates. The specific gravity of aggregates normally used in road construction ranges from about 2.5 to 3.0 with an average of about 2.68. Water absorption shall not be more than 0.6 per unit by weight. Read more : Specific Gravity of Fine Aggregates.

Types of Aggregates Used in Construction

Normal weight aggregate produces concrete with unit weight ranging from 23 to 26 KN/m3 with a specific gravity between 2.5 and 2.7. The crushing strength at 28 days of these aggregates ranges between 15 to 40 MPa. Examples: Sand, gravel, and crushed rocks such as granite, basalt, quartz, sandstone, and limestone.

SECTION 20110 BALLAST AND WALKWAY AGGREGATE

Sep 30, 2011· 1. The Ballast/walkway aggregate shall conform to the property requirements shown in the following table. MINIMUM PROPERTY REQUIREMENTS BALLAST/WALKWAY AGGREGATE Property Minimum Maximum Test Method Bulk specific gravity - Rock 2.75 -- ASTM C127 Degradation -- 20 % ASTM C535/C131

Laboratory Tests for Physical Properties of Ballast

Specific Gravity and Water Absorption Test. A sample consisting of at least 2000 g of aggregate is washed thoroughly to remove finer particles and dust. The whole material is then drained, placed in a wire basket, and immersed in distilled water at a temperature between 22°C and 32°C. The sample is shaken, jolted, and dried as per specific ...

Mass, Weight, Density or Specific Gravity of Bulk Materials

The specific gravity of all other materials are compared to water as a fraction heavier or lighter density. For example, ammonium nitrate has a specific gravity (sg) of 0.73 while dry ammonium sulphate has a sg of 1.13 (1130 kilograms/cubic metre) (see table below) As specific gravity is just a comparison, it can be applied across any units. ...

SPECIFICATIONS FOR TRACK BALLAST

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 weathered portions of parent …

Rail Track Ballast | Tarmac

Ballast is the description for the aggregate beneath the rail track. The track ballast forms the track bed that suports the rail track load and provides water drainage. Rail ballast aggregate is typically 30-50mm aggretate. Hard and tough stone is required for rail ballast. Resists the severe attrition in a railway trackbed environment.

IDOT- CA 07 - Slag Processing, Aggregate, and Equipment

Absorption & Specific Gravity (AASHTO T 85) Absorption Bulk Specific Gravity 2.403 N/A 2.80% N/A All data is based on material averages and are in compliance with IDOT Standards. Actual production a runs may vary. IDOT- CA 07 - ACBF AGGREGATE Producer: 52103-08 Material: 043CM07

SPECIFIC GRAVITY OF COARSE AGGREGATE AASHTO T 85

Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. Water, at a temperature of 73.4°F (23°C) has a specific gravity of 1. Specific Gravity is important for several reasons. Some deleterious particles are lighter than the good aggregates.

SPECIFIC GRAVITY OF AGGREGATE - iricen.gov.in

Table 2 : Observation Table for Specific gravity of Aggregate finer than 6.3 mm 6. General Remarks 1.The specific gravity of aggregates normally used in construction ranges from about 2.5 to 3.0 with an average value of about 2.68. 2.Specific gravity of aggregates is considered as an indication of strength. Material having higher Specific

What is the importance of knowing the specific gravity of ...

Answer (1 of 2): Specific gravity of an aggregate is basic prime value for any type of road construction. Specific gravity is density of any material with respect to standard material. Higher the density of any material with respect to standard material will have specific gravity. Higher specif...

Coarse Aggregate Specific Gravity – Pavement Interactive

Aggregate specific gravity is needed to determine weight-to-volume relationships and to calculate various volume-related quantities such as voids in mineral aggregate (VMA), and voids filled by asphalt (VFA). Absorption can be used as an indicator of aggregate durability as well as the volume of asphalt binder it is likely to absorb.

The role of ballast specific gravity and velocity gradient ...

Nov 15, 2020· This is because the flocs aggregated using high-specific gravity ballasts (ballast C) show faster settling (105mh-1 compared to 99mh −1 of ballast D at G value: 1250s −1) despite a comparatively smaller ballast fraction (2.3 % compared to 3.5 % of ballast D at G value: 1250s −1) in the floc aggregate. Overall, the observations of average ...

Specific Gravity of Coarse Aggregates: Its Importance ...

Sep 19, 2019· The specific gravity of aggregates normally ranges from about 2.5 to 3.0. According to ' A. M. Neville ' (Author of the Properties of Concrete), the majority of natural aggregates have a specific gravity of between 2.6 and 2.7. However high specific gravity is …

Aggregate & Concrete Testing — Timely Engineering Soil ...

ASTM C 128/AASHTO T 84: Standard Test Method for Specific Gravity and Absorption of Fine Aggregate. This test method covers the determination of bulk and apparent specific gravity, 23/23°C (73.4/73.4°F), and absorption of fine aggregate.This test method also determines (after 24 hours in water) the bulk specific gravity and the apparent specific gravity, the bulk specific gravity on the ...

Report # MATC-KU: 465 Final Report

Table 3.3 Specific gravity of ballast coarse aggregates 15 Table 3.4 Properties of fouling materials 16 Table 3.5 Summary of grain size characteristics of ballast and fouling materials 16 Table 5.1 Hydraulic conductivity values for different percentages of ballast 33 Table 5.2 Measured resistivity range for each percentage of fouling for ...

Stress-dilatancy behaviour of fouled ballast: experiments ...

Sep 19, 2021· where e f, G s-f and e b, G s-b are the void ratio and the specific gravity of fouling material and ballast aggregates as listed in Table 1. M f and M b are the dry mass of fouling materials and fresh ballast. In this study, coal-fouled and clay-fouled ballast aggregates were prepared at three different levels of VCIs, i.e. 0%, 20% and 40%. In practice, VCI = 40% is considered to be a critical ...

Physico-Chemical and Mechanical Characterization of Steel ...

Feb 20, 2020· Specific gravity is found as 3.21 which is greater than the specific gravity of conventionally used aggregates as ballast materials. Soundness value is obtained as less than 6%. The natural aggregate ballast used in the current study is obtained from the stock of the Rail Vikas Nigam Limited (RVNL), East Coast Railway.

Lab Test on Aggregates at Site - CivilJungle

What Is Specific Gravity of Aggregate? Specific Gravity is the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. Water, at a temperature of 73.4°F (23°C) has a specific gravity of 1. Specific Gravity is important for several reasons. Some deleterious particles are lighter than the good aggregates.

By: AJ Rahman B.S., University of Kansas, Lawrence, Spring ...

May 07, 2013· Table 3.4 Specific gravity of ballast coarse aggregates 19 Table 3.5 Properties of fouling materials 20 Table 3.6 Summary of grain size characteristics of ballast and . fouling materials 20 Table 5.1.1 Hydraulic conductivity values for different fouling ratio of ballast 48 ...

Graniterock: Wilson 1 1/2" X 3/4" Railroad Ballast

Wilson 1½" x ¾" Railroad Ballast is a clean, crushed granite. This Ballast isproduced daily at Wilson Quarry to meet the American Railway EngineeringAssociation (AREA) #4 Ballast Specifications as well as ASTM C-33 Size #4. Thisproduct has been used by the Railroad as Ballast Aggregate since the late 1800's. Thistype of rock is typically gray in color.

Materials Engineering — Clifton

Our Materials Engineering practice group provides specialized and expedited testing of soils, concrete, aggregate, asphalt, and ballast materials. Our staff includes qualified technologists and technicians, lab managers and supervisors, supported by professional engineers and geoscientists. ... Specific Gravity of Soils. Water Content ...

Specific Gravity and Water Absorption of Coarse Aggregate ...

Jul 22, 2020· Procedure for Specific Gravity Test of Coarse Aggregate:-. Take clean sample of coarse aggregate (about 2 kg). The sample should be washed to remove fine aggregates. The aggregates coarser than 6.3 mm are taken. Then place the aggregate sample in the wire basket. Immerse the wire basket in distilled water, which is at a temperature of 22 ºC to ...

(PDF) Assessment of ballast fouling and its implications ...

A new parameter, the Void Contaminant Index, which considers variations in the specific gravity of ballast and fouling materials, is proposed to evaluate the amount of fouling. A series of large scale constant head hydraulic conductivity tests were conducted to establish the relationship between the extent of fouling and the associated ...

Ballast – Bolinder Resources L.L.C.

Using these three weights and their relationships, a sample's apparent specific gravity, bulk specific gravity and bulk SSD specific gravity as well as absorption can be calculated. ABSORPTION •The absorption test is a measure of an aggregates tendency to hold water in it's capillary pores.

Specific Gravity of Fine Aggregate as per IS 2386 Part-3 ...

Mar 29, 2020· Specific gravity of fine aggregate (sand) is defined as the ratio of the weight of a given volume of aggregates to the weight of equal volume of water. The specific gravity of fine aggregate (sand) is considered to be around 2.65 to 2.67. Sand particles composed of quartz have a specific gravity between 2.65 to 2.67.

IDEALS @ Illinois: Investigation of aggregate properties ...

Increasing specific gravity was linked to increased long-term ballast aggregate durability. Trap rocks were also found to be more durable than granitoid rocks. Very low SSA was linked to significantly increased permeability for ballast aggregates.