Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod todetermine its unit weight. The following data are obtained:Volume of bucket = ½ ft³Weight of empty bucket = 20.3 lbWeight of bucket filled with dry rodded coarse aggregateTrial 1 = 69.6 lbTrial 2 = 68.2 lbTrial 3 = 71.6 lba. Calculate the average dry-rodded unit weightb. If the bulk dry specific gravity of the aggregate is 2.620, calculate the per-cent voids between aggregate particles for each trial.

aTrial-1γd1=W2-W1V=69.6-20.3 lb0.5ft3=98.6lbft3Trial-2γd2=W2-W1V=68.2-20.3…

Answered: Coarse aggregate is placed in a rigid…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Samples of coarse aggregate from a stockpileare brought to the laboratory for determination of specific gravities. Thefollowing weights are found: (5 points) 1. Mass of moist aggregate sample as broughtto the laboratory: 5,298 g 2. Mass of oven dried aggregate: 5,216 g 3. Mass of aggregates submerged in water:3,295 g 4. Mass of SSD (Saturated Surface Dry)Aggregate: 5,227 g Find 1. The aggregate bulk dry specific gravity 2. The aggregate apparent specific gravity 3. Absorption (report as percent)
choose true or false If you know that weights of coarse aggregate as follow :Weight of aggregate stock = 5350 gm, weight of aggregate in oven dry= 5200 gm, weight of aggregate submerged in water =3254 gm, weight of aggregate SSD= 5220 gm , According to weights above , the oven dry bulk specific gravity is 2.325
From a Fine Aggregate sample, the ff data are given below to determine only the SPECIFIC GRAVITIES and ABSORPTION OF THE SAMPLE. MASS of oven dried aggregate 428.3g MASS of PYC filled with water =652.5g MASS of aggregate and water =785.3g MASS of SSD Aggregate =459.1g MASS OF AN EMPTY PYCNOMETER =125.0g MASS of oven dried aggregate 428.3g 652.5g 785.3g 459.1g 125.0g MASS of PYC filled with water MASS of aggregate and water MASS of SSD Aggregate MASS OF AN EMPTY PYCNOMETER IL || || |I
Use the following data:Oven Dry weight - 4.98 kgWeight under water - 3.02 kgSSD Weight - 5.07 kg1. Determine the apparent specific gravity of the coarse aggregates.2.Determine the bulk specific gravity SSD of the coarse aggregates3.Determine the bulk specific gravity (Dry) of the coarse aggregates4.
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A saturated aggregate sample with an absolute volume of 5.05x10^-5 m^3 has a mass of 178 g before drying and 139 g after drying in an oven. Assume the water absorption by volume to be 59.18%. Determine the following: a. Specific gravity of the solid particles b. Mass specific gravity c. Void Ratio d. Porosity
Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: (Note: Write answer with 2 decimal places) Volume of bucket = 1/2 cu.ft Weight of empty bucket = 20.3 Ib Weight of bucket filled with dry rodded coarse aggregate: Trial 1 = 76.6 Ib Trial 2 = 75.1 Ib Trial 3 = 78.8 Ib a. Calculate the average dry-rodded unit weight b. If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids between aggregate particles for each trial. {Note: Bulk Dry specific gravity must be multiplied to the unit weight of water to obtain percent voids)
Laboratory specific gravity and absorption tests are run on two coarse aggregate sizes, which have to be blended. The results are as follows: Aggregate A: Buck specific gravity = 2.604; absorption 0.544% Aggregate B: Buck specific gravity = 2; absorption = 8% a. What is the unit weight of Aggregate A, kn/m?
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5.14 Coarse aggregate is placed in a rigid bucket and rodded with a tamping rod to determine its unit weight. The following data are obtained: Volume of bucket = ¹/2 ft³ Weight of empty bucket = 20.3 lb Weight of bucket filled with dry rodded coarse aggregate: Trial 176.6 lb Trial 275.1 lb Questions and Problems 217 Trial 3 78.8 lb a. Calculate the average dry-rodded unit weight b. If the bulk dry specific gravity of the aggregate is 2.620, calculate the percent voids between aggregate particles for each trial.
The following information is available from a specific gravity test on fine aggregate: wt of SSD sand = 509 g wt of pycnometer plus sand plus water = 2665g wt of pycnometer plus water = 2329 g wt of oven dry sand = 491 g Calculate the bulk specific gravity (SSD), bulk specific gravity, apparent specific gravity, and absorption (dry) of the material.
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