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Pycnometer. CA-2710. This pycnometer is used to determine specific gravity of fine aggregates. Brass top with gasket has a 3/8" diameter hole for accurate measurement with minimal water surface tension and is threaded to match 1 quart glass jar.
Remove the fine aggregate from the pycnometer and dry to constant mass at a temperature of 230 ± 9 °F. (Constant mass shall be determined as follows: Dry the sample for a minimumof 1 hour at 230 ± 9 °F. Record the weight of the sample to the nearest 0.1 gram. Continue drying and weighing until the weight
Pycnometer Top is used for determining specific gravity of fine aggregates. Conical Molds & Tamper are used for determination of bulk and apparent specific gravity and absorbtion of fine aggregates. Phunque Flask is a newly developed method for conducting specific gravity/absorbtion determination of aggregates.
Sep 04, 2017· Pycnometer . Procedure for the determination of specific gravity of fine aggregate. Clean the pycnometer, dry it, Find the weight of the pycnometer. Take about 200gm of coarse aggregate sample in the pycnometer.Weight the pycnometer, Note the weight W2; Fill the remaining part of pycnometer with distilled water and weight W3
Pycnometer top and 1qt. (.95L) glass jar set for determining specific gravity of fine aggregate. Top is spun brass with .375" (10mm) hole in one end; threaded end fits 1-qt. (1L) glass jar. Includes rubber gasket that fits on jar mouth to prevent fine particles from becoming deposited in the threads. Order additional jars in replacement parts.
0.41 mm (3.5 ± 0.016 in.) height, for testing fine aggregates. The pycnometer shall be machined to be smooth on all surfaces. The inside of the lid shall be machined at a 5° angle to create an inverted conical surface. 5.8 Pycnometer clamping device to hold and secure the lid on the metal pycnometer from lifting during fine aggregate tests.
About 1000g of clean sample is taken into the pycnometer, and it is weighed. 3. Water at 270C is filled up in the pycnometer with aggregate sample, to just immerse sample. 4. Immediately after immersion the entrapped air is removed from the sample by shaking pycnometer, placing a finger on the hole at the top of the sealed pycnometer. 5.
Feb 14, 2020· Immediately introduce into the pycnometer 500.0 g of the fine aggregate. Fill the pycnometer almost to capacity and eliminate the air bubbles by agitation. Add water until the bottom of the meniscus is at the 500 cc line, etched on the pycnometer. Determine the total weight of the flask, including the sample, and the water.
Fine and coarse aggregates for concrete -- Determination of the particle mass-per-volume and water absorption -- Pycnometer method. Specifies a method for the determination of the particle mass-per-volume and the water absorption of fine and coarse aggregates for concrete. The method is based on the use of a pyknometer for the determination of ...
California Test 207 – Specific Gravity and Absorption of Fine Aggregate. ... NOTE: A pycnometer will be required for HMA containing aggregate larger than 1 in. maximum size. 2. Cover Plate: a glass or metal cover plate of sufficient size to completely cover the vacuum container. The plate should be smooth and free of scratches.
C702 Practice for Reducing Samples of Aggregate to Testing Size. C1252 Test Methods for Uncompacted Void Content of Fine Aggregate (as Influenced by Particle Shape, Surface Texture, and Grading) D75 Practice for Sampling Aggregates. D854 Test Methods for Specific Gravity of Soil Solids by Water Pycnometer
An alternate determination of surface moisture in fine aggregate is obtained by displacement as follows: 1. Select a representative sample of the fine aggregate weighing not less than 200 grams. 2. Weigh a pycnometer filled to the calibration mark with water. 3. Place the sample in the pycnometer …
Jul 24, 2017· Take at least 25g of soil which has been passed through sieve#4 and place it in an oven at fixed temperature of 105-110C0for 24hours to dry it completely. Clean and dry the pycnometer thoroughly and find its mass (M1). Find the mass (M2) of pycnometer by placing dried soil in it. Add sufficient quantity of water to fill the pycnometer up to the given mark and then
Introduce into the pycnometer 500 = 10 g of saturated surface-dry fine aggregate prepared as described in Section 8, and fill with additional water to approximately 90% of capacity. Agitate the pycnometer as described in 9.2.1.1 (manually) or 9.2.1.2 (mechanically). 9.2.1.1 Manually roll, invert, or agitate the pycnometer (or use a combination ...
Determining Density Using the Pycnometer. Pycnometer - empty & full. Note fluid in stopper. The pycnometer (from the Greek puknos, meaning "density", also called pyknometer or specific gravity bottle), is a flask with a close-fitting ground glass stopper with a fine …
Specific Gravity and Fine Aggregate Kit— H-3373A. Kit designed to provide you with the major equipment to do specific gravity and absorption of fine aggregate testing. The kit includes a H-3360 Conical mold and tamper; H-3381 Pycnometer Top and 1 Qt. (.95L) glass jar, HB-4533 .1g readability, 2600 gram scale; H-30120 Lab Oven, and H-3966 3/4 ...
🕑 Reading time: 1 minuteSpecific 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. Contents:Apparatus for Specific Gravity TestProcedure of TestCalculationsQuestion : Apparatus for Specific Gravity Test A balance […]
6.2 Pycnometer (for Use with Gravimetric Procedure)—A flask or other suitable container into which the fine aggregate 5. Significance and Use test sample can be readily introduced and in which the volume 5.1 Relative density (specific gravity) is the characteristic content can be reproduced within 6 0.1 cm3.
2.3 Pycnometer ‐ A 500 mL volumetric flask into which the fine aggregate test sample can be readily introduced and in which the volume content can be reproduced within 0.2 mL.
Apr 29, 2021· Mass of the oven dried sample (before pycnometer) (A): 490.9 grams. Mass of the saturated surface dry aggregate (for absorption) (S): 500.8 grams. ... (SSD) of fine aggregate - Bulk specific gravity of fine aggregate - Bulk specific gravity of fine aggregate - Apparent specific gravity of supplemental fines - Absorption of fine aggregate.
Pycnometer – a fruit jar supplied with a gasket and conical pycnometer top. A two-quart pycnometer is used for coarse aggregates, and a one-quart pycnometer is used for fine aggregate. If a two-quart pycnometer cannot be obtained, a one-quart jar may be substituted (The engineer may require 2 samples be obtained and tested in separate 1-quart ...
Kit designed to provide you with the basic equipment to do specific gravity and absorption of fine aggregate testing. The kit includes a H-3360 conical mold and tamper; H-3381 pycnometer top and 1 qt. (.95L) glass jar, HB-4533A .1g readability, 2600 gram scale; …
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. ... Remove the aggregate from the pycnometer and dry it until it maintains a constant mass. This indicates that ...
Aggregate Blending, Absorption & Specific Gravity 20 Fine Aggregate Specific Gravity Calculations - Example Problem Given A = mass oven dry =489.3 B = mass of pycnometer filled with water = 666.5 C = mass pycnometer, SSD aggregate and water = 982.3 S = mass SSD aggregate = 500.1
Mar 29, 2020· 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. Pour distilled water in the pycnometer with aggregate sample at the temperature at 27 ºC, to just immerse sample.
Remove the fine aggregate from the pycnometer, dry to constant weight at a temperature of 100 to 110 o C, cool in air at room temperature for 1/2 to 1 1/2 hours and …
Specific Gravity Test Procedure for Fine Aggregate Sand. The Steps should follow be followed for determination: Calibrate the pycnometer. Weigh a clean, dry pycnometer to the nearest 0.01 gram. Fill the pycnometer with room-temperature distilled water. Ensure that the bottom of the meniscus is even with the calibration mark.
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