A flow rate of 200 gallons per minute is to be related with a 20 percent solution of hydrofluosilicic acid (H2SiF6) with a specific gravity of 1.21. The water to be treated contains 0.3 milligrams per liter (mg/L) of fluoride and the desired concentration of fluoride is 0.7 mg/L. Calculate the volumetric feed rate for hydrofluosilicic acid in ...
Volume of fine aggregate = 0.38 . Step 6: Mix calculation . The mix calculations per unit weight of concrete . a) Volume of concrete = 1m. 3. b) Volume of cement = mass of cement / specific gravity of cement x (1/1000) = 430/3.14 x 1/1000 = 0.136 m. 3 . c) Volume of water = mass of water / specific . gravity of water x 1/1000 = 172/1 x 1/1000 ...
The use of certain pozzolans, especially NPs, in concrete is known to alter the water required to achieve necessary workability [1].ASTM C311-24 recognized this difference in water requirement as one of the physical tests that need to be performed and reported [6].The water requirement test is used to calculate the amount of water required for a mortar mixture in …
Fine Aggregate Specific Gravity / Specific Gravity of Sand. Fine aggregate Specific gravity or Specific gravity of sand is the ratio of the weight of a given volume of fine aggregate (sand) to the weight of an equal volume of water. The Fine aggregate Specific gravity is often considered to be 2.65.
3. Fine Aggregates: Fine aggregate was purchased which satisfied the required properties of fine aggregate required for experimental work and the sand conforms to zone III as per the specifications of IS 383:1970. Table 3: Physical Characteristics of fine aggregate Sl. No Characteristics Value 1. Specific gravity 2.7 2. Fineness 2.71 4.
Used to determine the specific gravity of cement, dust, sand, and other fine materials. Made of chemical and break resistant glass and graduated beyond top and bottom limits. Meets ASTM C128, C188, E694, AASHTO T133, BS 4550 …
Fineness modulus obtained for the fine aggregates indicate that river sand has relatively finer grains whereas quarry dust has coarser grains. Table 1. Physical properties of aggregates Property River sand Quarry dust Acceptance limit for concrete Specific gravity 2.64 2.76 2.6-2.8 [4,27] Fineness modulus 2.54 2.96 2.2-3.2 [4,29]
It can be deduced that low ability of the quarry dust to resist changes in volume might result in reduced ability of (3.5) Specific Gravity, Absorption and Fineness Modulus Table 6 Specific Gravity, Absorption and Fineness Modulus of Quarry Dust and River Sand Properties Quarry Dust River Sand Specific gravity 2.63 2.57 Absorption 0.60 % 2.12 % ...
Bulk specific gravity of the fine aggregate is used in hot-mix asphalt volumetric-mix design (including Superpave) to determine the amount of asphalt binder absorbed by the aggregate and the percentage of voids in the mineral aggregate.
Concern has been expressed about the repeatability of the current AASHTO T 84 method for determination of fine aggregate specific gravity. Two new methods are available for determining bulk specific gravity and absorption of fine aggregates: the AggPlus system using the CoreLok device and the SSDetect system. In addition, a new automated Langley de-airing device is …
Crusher Dust/Quarry Dust: Byproducts of the crushing process in quarries, crusher dust or quarry dust can also be used as a fine aggregate. These materials are finely graded and can contribute to improving the workability of concrete. ... The specific gravity of fine aggregate usually falls in the range of 2.5 to 2.8. This range can vary ...
Take a clean, dry pycnometer and determine its empty weight (W ₁ g).; Take a clean sample of fine aggregate (about 1kg) for which specific gravity is to be find out and transfer that to the pycnometer and weight (W ₂ g). The aggregates finer than 6.3mm are taken.
The specific gravity of the fine aggregates (quarry dust, river sand, shocking sand and plastering sand) used in this study are shown in Table 2. Specific gravity for aggregates, specified by (ACI
Stone dust is such a promising waste to be mentioned with high specific gravity, almost similar particle sizes that make it potential for use as fine aggregate in concrete (Reddy et al., 2015).However, stone dust has little lower value of fineness modulus compared to natural sand (Suman and Srivastava, 2015).Worldwide, stone businesses create 68 million tons of …
Specific Gravity . 2.72 . B. Fine Aggregate . ... Crusher dust is a fine material formed during the process of comminution of rock into crushed stone or crushed sand. This dust is composed by ...
It is found that 40% replacement of fine aggregate by quarry dust gives maximum result in strength than normal concrete and then decreases from 50%. The compressive strength is quantified for varying percentage and …
Densities, specific heats, viscosities and more. Related Documents Conveyors - Maximum Inclination vs. Product Maximum conveyor inclination slopes for typical products. Density Converter Online density converter with commonly used units. Density vs. Specific Weight and Specific Gravity An introduction to density, specific weight and specific ...
= specific gravity of fine aggregate, ... allowing the concrete to stand on its own. quarry dust, all the other fine aggregates fall under the 2.3 Hardness Concrete Testing (compressive strength ...
86 rowsDensities, specific heats, viscosities and more. Cement, sand and gravel mixtures. An introduction to density, specific weight and specific gravity. Geological periods and time scale. Content of metals in minerals. The Mohs qualitative ordinal scale characterizes the scratch …
METHOD OF TEST FOR APPARENT SPECIFIC GRAVITY OF FINE AGGREGATES. CAUTION: Prior to handling test materials, performing equipment setups, and/or conducting this ... Brush any adhering dust down into the flask below the position of the stopper. c. Insert the stopper in the flask. 11. Remove trapped air by rolling the flask
Physical properties like specific gravity, fineness modulus etc.of stone dust and fine aggregate should be comparable in order to use stone dust as a replacement of fine aggregate. Studies …
The bulk specific gravity (G sb) of aggregates is a critical parameter in the design of asphalt mixes. In the Superpave volumetric mix design, G sb is used to determine the amount …
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• Higher sand equivalent values indicate "cleaner" (less fine dust or clay-like materials) aggregate. • Typical sand equivalent values range from less than 30% to more than 90%. ... • Specific gravity is the ratio of the mass of a unit volume of a material at a stated
2 Specific gravity of Cement – 2.956 3 Chemical Admixture AT - CARPOL 200(HE) (PCE based) conforms to IS: 9103-1999 and ASTM C 494 4 Specific gravity of Fine Aggregate (Stone Dust)-2.678 5 Specific gravity of Coarse Aggregate- 2.801 6 Specific gravity of Admixture- 1.10 7 Water Absorption of Fine Aggregate- 1.300 %
Specific gravity test was conducted for various percentage of substitution of Quarry Dust using the pycnometer method and the results are tabulated from tables 2.2 to table 2.7. American …
The specific gravity of this fine aggregate is 2.68 and for coarse aggregate are 2.71. The selected fine aggregate belongs to grading zone II. As per IS 456 the coarse aggregate used was passing through 20 mm sieve and retained on 16 mm sieve. 2.1.4.1 Specific gravity of fine aggregate ...
Specific Gravity of sand is 2.55 Sieve analysis of sand was done and the sand was found to be of zone II Stone dust: It is an industrial by product. It is a by ... of stone dust and fine aggregate should be comparable in order to use stone dust as a replacement of fine aggregate. Studies
of the specific gravity. For instance, [11] reported a specific gravity of quarry dust as 2.71, whereas [12] obtained a specific gravity of 2.63. From the table, the bulk densities of the quarry dust and laterite were found to be 1588 and 1891kg/m3 respectively. These values are also in line with those in the literature. For example,
specific gravity of cement. As per IS 2720-part 3 specific gravity of Ordinary Portland cement is near to 3.15. 4.3. Water 2 Tap water was used for this study. The water was clean from visible impurities. Magnesia(MgO) 4.4. Fine aggregates i. Specific gravity of fine aggregate The calculated specific gravity of fine aggregate is 2.5. ii.