James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016. 5.9.5 Bulk Specific Gravity. The bulk specific gravity is the ratio of the weight of a given volume of aggregate, including the permeable and impermeable voids in the particles, to the weight of an equal volume of water (Kandhal et al., 2000; Prowell and Baker, 2004; Sholar et al., 2005).
Crushed aggregate tends to reduce flow because of the ... crushed lizenithne with a maximum size of 20 mm and specific gravity (2.68, 2.62 and 2.58) and. More details » Get Price Effect of Crushed-Gravel Fine Aggregate on the ...
A maximum size up to 40 mm is used for coarse aggregate in most structural applications, while for mass concreting purposes such as dams, sizes up to 150 mm may be used. Fine aggregates, on the other hand, have particles up to a minimum size of 0.075 mm. Typical particle size analyses of coarse and fine aggregates are shown in Figure 1.
When slag is furnished as an alternate to natural aggregate and payment is on a weight basis, adjustments are required to be made to compensate for the difference in specific gravity of the slag compared to the specific gravity of the natural aggregate. For any pay item less than 500 tons on a contract, no adjustment is made.
Physical Properties of Aggregate: Specific Gravity Indian Standard Specification IS : 2386 (Part III) of 1963 gives various procedures to find out the specific gravity of different sizes of aggregates. A Weight of empty basket in water A Weight of aggregate and basket in water C Weight of ovendried aggregate in air.
There are three methods of testing for the determination of the specific gravity of aggregates, according to the size of the aggregates larger than 10 mm, 40 mm and smaller than 10 mm. For Samples larger than 10 mm, 40 mm, the below given test method is used and for samples smaller than 10 mm Pycnometer test is done.
The specific gravity of an object is the ratio between the density of an object to a reference liquid. Usually, our reference liquid is water, which has a density of 1 g/mL or 1 g/cm^3.
The approximate bulk density of aggregate that is commonly used in normal-weight concrete is between 1200-1750 kg/m3 (75-110 lb/ft3) . Here, Standard test method for determining the bulk density of aggregates is given in ASTM C 29 (AASHTO T 19). [2] Relative Density of Aggregate [1] The relative density (specific gravity) of an aggregate is the ...
5/8/2013· Objective For determination of specific gravity & water absorption of aggregates. Reference Standards IS : 2386 (Part 3) – 1963 – Method of test for aggregates for concrete (Part I) Particle size and shape. Equipment & Apparatus Wire basket Oven (3000c) Container for filling water and suspending the basket An air tight container Balance[0-10 kg] […]
9/1/2014· Following procedure is adopted to calculate fineness modulus of aggregate. Procedure. Sieve the aggregate using the appropriate sieves (80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron & 150 micron) Record the weight of aggregate retained on each sieve. Calculate the cumulative weight of aggregate retained on each ...
2.36 mm, 1.18 mm, 0.60 mm, 0.30 mm and 0.15 mm were used for the grain-size classification. The specific gravity of the fine aggregate used was also determined according to AASHTO T 84 (2013) specification. Separate nominal maximum size 19 mm granite and similarly of 25 mm granite quarried at Abeokuta environs in
Coarse Aggregate Specific Gravity | Pavement Interactive. Apr 22, 2011 ... Aggregate specific gravity is needed to determine weight-to-volume .... Sample sizes range from 2000 g …
Coarse aggregate: designation given to the larger aggregate sizes with D greater or equal to 4 mm and d greater than or equal to 2 mm. Fine Aggregate: designation given to the smaller aggregate sizes with D less than or equal to 4 mm. Fines: particle size fraction of an aggregate which passes the 0.063 mm …
9/3/2013· Specific Gravity & Water Absorption of Fine Aggregate - Duration: 17:27. NCTEL 175,115 views. ... SPECIFIC GRAVITY AND WATER ABSORPTION OF FINE AGGREGATE BY PYCNOMETER - Duration: 9:46.
1/26/2020· 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.
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.
9/5/2018· – Type of structure Max. size of aggregate 1. Mass concrete work 40 mm i.e. dams, retaining walls, piers and abutments, etc. 2. R.C.C work i.e. beams, 20 mm columns, etc 3. Flooring 10 mm 14. PROPERTIES • STRENGTH • PARTICLE SHAPE • SPECIFIC GRAVITY • BULK DENSITY • VOIDS • POROSITY • MOISTURE CONTENT 15.
15. AASHTO T 84 - Standard Method of Test for Specific Gravity and Absorption of Fine Aggregate. 16. AASHTO T 85 - Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate. 17. AASHTO T 100 - Standard Method of Test for Specific Gravity of Soils. 18. AASHTO T 166 – Standard Method of Test for Bulk Specific Gravity (Gmb) of
Overview. The fine aggregate specific gravity test (Figure 1) is used to calculate the specific gravity of a fine aggregate sample by determining the ratio of the weight of a given volume of aggregate to the weight of an equal volume of water. It is similar in nature to the coarse aggregate specific gravity test.. Figure 1: Fine aggregate specific gravity sample and pycnometer.
Specific gravity of fine aggregate (sand) is the ratio of the weight of given volume of aggregates to the weight of equal volume of water. The specific gravity of sands is considered to be around 2.65. Apparatus for Specific Gravity Test. A balance of capacity not less than 3kg,readable and accurate to 0.5 gm and of such a type as to permit ...
Coarse Aggregate Specific Gravity | Pavement Interactive. 22 Apr 2011 … It is similar in nature to the fine aggregate specific gravity test. …. Sample sizes range from 2000 g for a inch ( mm) NMAS to 5000 g for a … »More detailed
9/12/2011· recommended limits 1. limits for physical, chemical &mechanical properties of aggregates for concrete table i test permisible kind of requirment method limits bs 812 astm fine coarse grading pare 103 std std materials finer than 0.075 mm part 103 nat-ural, uncrushed / max. 3 % max. 1 % crushed max. 7 % max. 1 % crushed rock clay lumps & friable particles c 142 max. 1 % max. 1 % light weight ...
Designation D-854-02 and to calculate the specific gravity of aggregates coarser than the No 4 (475 mm) sieve, Standard Test Method for Specific Gravity and Absorption of Coarse Aggregate, Designation C 127-04 An average of the calculated specific gravity is used as the specific gravity of the entire sample
mm aggregate specific gravity limits. Planta Móvil de Trituradora de Mandíbula. Planta Móvil de Trituradora de Impacto. Planta Móvil de Trituradora de Cono. Planta Móvil de Trituradora de VSI. Material : construcción de carretera e industrias de agregados. Tamaño de salida : los agregados de 5-20mm.
Density of 40 mm aggregate and 20 mm Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Density of 40 mm aggregate and 20 mm, quarry, aggregate, and different kinds of minerals.
* The bulk density is the mass of the material related to a specific volume and for cement is normally expressed as "kilograms per cubic metre". * The bulk density reflects the volume taken up by the cement plus any air trapped between the p...
Fig. 2: Setup of Specific Gravity Test (To be used for Aggregate > 6.3 mm) The setup consists of container for filling water and suspending the wire basket in it and an airtight container of capacity similar to that of basket, a shallow tray and two dry absorbent clothes.
In the same way, 10 mm, 20 mm and 40 mm aggregates shall be combined in the ratio of 1:1.5:3 to get a 40 mm graded coarse aggregate. Fine aggregate of Zone II as per IS: 383-1970 is generally suitable for pumped concrete provided 15 to 30% sand should pass the 300 micron sieve and 5 to 10 percent should pass the 150 micron sieve.
gravity, apparent specific gravity and water absorption of aggregates. Nor~ 1 -Threl main methods are specified for use according to whc&r he &e of the aggregate is large than 10 mm ( Method I ) between 40 mm and 10 mm (Method I or II may be used ); or smaller than 10 mm ( Method III).