4. A sieve analysis test was conducted on a representative sample of a concrete aggregate material for determining its gradiation, and the results are given below. Calculate the percent passing through each sieve and plot the grading curve of the aggregate. The following size sieves were used and the net weights of the material retained on each of them are: SIEVE SIZE 12.5 9.5 4.75 2.36 1.18 .60 .425 .30 .15 .075 PAN (mm) AMOUNT 38.7 36.8 77.5 127.8 164.6 174.3 141.4 105.6 67.8 33.9 RETAINED (g)

4. A sieve analysis test was conducted on a representative sample of a concrete aggregate material for determining its gradiation, and the results are given below. Calculate the percent passing through each sieve and plot the grading curve of the aggregate. The following size sieves were used and the net weights of the material retained on each of them are: SIEVE SIZE 12.5 9.5 4.75 2.36 1.18 .60 .425 .30 .15 .075 PAN (mm) AMOUNT 38.7 36.8 77.5 127.8 164.6 174.3 141.4 105.6 67.8 33.9 RETAINED (g)

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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A sieve analysis test was performed on a sample of fine aggregate and produced the following results:Sieve, mm 4.75 2.36 2.00 1.18 0.60 0.30 0.15 0.075 panAmount retained, g 0 33.2 56.9 83.1 151.4 40.4 72.0 58.3 15.6Calculate the percent passing each sieve, and draw a 0.45 power gradation chart with the use of a spreadsheet program. The specific steps or functions selected in the following description can vary somewhat depending on the version of the spreadsheet program being used.
below shows the sieve size and corresponding weight retained for 3 different stockpiles. Calculate the percent passing for all the 3 aggregate stockpiles.
According to fuller equation, to draw the maximum density line for aggregate gradation shown below , what is the percent passing corresponding 4.75 mm sieve size ?
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 = 14 LWeight of empty bucket = 9.21 kgWeight of bucket filled with dry rodded coarse aggregate:Trial 1 = 34.75 kgTrial 2 = 34.06 kgMeasureSampleA B CWet Mass (g) 521.0 522.4 523.4Dry Mass (g) 491.6 491.7 492.1Absorption (%) 2.5 2.4 2.3Table P 5 . 9 determine the amount of water required to increase the moisture content of aggregate to reach absorption?5.9 Three samples of fine aggregate have the properties shown in Table Trial 3 = 35.74 kga. Calculate the average dry-rodded unit weightb. If the bulk dry specific gravity of the aggregate is 2.620, calculate thepercent voids between aggregate particles for each trial.
Table below shows the result of sieve analysis test on a sample of fine aggregate. What is the fineness modulus for this aggregate? Sieve size, mm 9.5 4.75 2.36 1.18 0.6 0.3 0.2 0.15 Percent passing 100 89 61 29 18 14 10 9 3.30 3.20 320 330
Suppose you had 10 kg (10000 g) sample of an aggregate at air dry conditions (Moisture Content = 0.07%). How much water (in grams) would be needed to bring the sample to SSD conditions? Show work.
determine the effective specific gravity of aggregates. DATA: Specific Gravity: Fine Agg = 2.603 Coarse Agg = 2.740 Asphalt Cement = 1.048 Percent By Weight: Fine Agg = 47.90 Coarse Agg= 47.78 Asphalt Cement= 100-FA-CA
Draw a graph to show the cumulative percent passing through the sieve versus sieve size for well-graded, gap-graded, open-graded, and one-sized aggregates.What is the format name of this graph?
A sieve analysis test was performed on a sample of aggregate and produced the results shown in Table .Calculate the percent passing through each sieve. Plot the percent passingversus sieve size on:a. a semilog gradation chart, andb. a 0.45 gradation chart (Figure A.25).What is the maximum size? What is the nominal maximum size?
Sieve analysis of a sample of fine aggregate resulted in the following data No. Sieve number 4 8 16 30 50 100 Sieve opening (mm) 4.75 2.36 1.18 0.6 0.3 0.15 Weight retained (g) 13 75 120 126 105 61     A) The total weight of the sample, assuming no mass loss during the analysis, is______ (g) a) 505; b) 500; c) 550 B) The half sieve used in the experiment is________. a) No.8; b) No.50; c) none of the above C) The fineness modulus of the aggregate________. a) 6.13; b) 3.16; c) 1.36 D) The average size of the aggregate___________. a) No.30; b) No.4; c) No.16
A sample of coarse aggregate is placed in a bucket of know volume (0.5 ft^3) and rodded with a tamping rod to determine its unit weight. The empty weight of the bucket is 20.3 lb. The weight of the bucket filled with dry aggregate was: Trial 1:   69.6 lbTrial 2:   68.2 lbTrial 3:   71.6 lbTrial 4:   70.8 lbTrial 5:   72.0 lb Based on the provided data determine the (i) average, standard deviation and coefficient of variance of the dry rodded unit weight; (ii) % voids of the aggregate sample if Gs = 2.620
Determine the suitability of the aggregate, with the gradation tabulated below, for use in Portland cement concrete. Review the grain size distribution to determine if it meets all of the relevant specifications for use in concrete (i.e. gradation limits, fineness modulus and % fines). Refer to the specification for concrete aggregates (Table 7 – 10) below: Grain Size (mm) % Passing Cum %Retained 25 100 19 100 12.5 100 9.5 100 4.75 95 2.36 85 1.18 55 0.6 30 0.3 15 0.15 8 0.075 6 Fineness Modulus - write answer to two decimal places Percent fines - write answer to the nearest whole number  % Meets Gradation Limits? - y/n (only type lower case "y" for yes and lower case "n" for no) Suitable for use in portland cement concrete subject to abrasion? - y/n (only type lower case "y" for yes and lower case "n" for no)