a) Sieve analysis of sand sample gave the following results: Mass retained (gm) Sieve No. 6-8 73 8-10 11 29 159 10-12 12-18 18-20 161 20-30 300 219 30-40 40-50 50-70 121 143 The sample is sieved so as to remove all the sand larger than sieve No.8 and all the sand finer than sieve No. 50 i. Determine if the remaining sand is suitable for use in rapid sand filters

a) Sieve analysis of sand sample gave the following results: Mass retained (gm) Sieve No. 6-8 73 8-10 11 29 159 10-12 12-18 18-20 161 20-30 300 219 30-40 40-50 50-70 121 143 The sample is sieved so as to remove all the sand larger than sieve No.8 and all the sand finer than sieve No. 50 i. Determine if the remaining sand is suitable for use in rapid sand filters

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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If the weight of sample of sand in sieve analysis test was 420 gm and the weight retained on sieve are shown in table below. Is the sand satisfying the specification? Calculate the fineness modulus of sand and what is the average size ? Sieve size 10 2.36 1.18 0.6 0.3 0.15 < 0.15 (mm) Weight 8.4 63 96.6 143 59 34 16 retained (gm) Sieve size Specification limits for cumulative passing (mm) Zone 1 Zone 2 Zone 3 Zone 4 9.5 100 100 100 100 4.75 100 - 90 100 - 90 100 - 90 100 -95 2.36 95 -60 100 - 75 100 - 85 100 - 95 1.18 70 - 30 90 - 55 100 - 75 100 - 90 0.6 34 15 59 - 35 79 - 60 100 - 80 0.3 20 - 5 30 - 8 40 - 12 50 - 15 0.15 10 - 0 10 - 0 10 - 0 15 - 0 < 0.15 ------ ------
mpt=541762&cmid%3D103601 Marks 25 Question 1 A sample of AL Batina soil tested in the laboratory. The gradation analysis results are as shown in table Q1. The Atterberg limit tests indicate that the liquid limit is LL = 30% and the plastic limit is PL=27%. Table Q1 Sieve No.# Sieve size (mm) Finer (%) 4 4.75 90 8. 2.36 84 16 1.3 60 30 0.6 30 50 0.2 10 200 0.075 8 i. Determine the uniformity coefficient Marks] ii. Determine curvature coefficient [5 [5 Marks] iii. Classify AL Batina soil according to Unified Soil Classification System (USCS). [10 Marks] iv. Determine the group symbol and group name Marks) [5
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A 627-g sample of sand was found to have the following amounts of material retained on each sieve/pan: 3/8 in. = 22 g, No. 4 = 45 g, No. 8 = 96 g, No. 16 = 122 g, No. 30 = 163 g. No. 50 86 g, No. 100 = 51 g, No. 200 = 30 g, pan = 11 g a. Calculate the fineness modulus of the sand. b. Is this sieve analysis valid for acceptance purposes? Explain why. c. Does the sand meet the particle size criteria of ASTM C 33. Fully justify your answer (list and check all relevant criteria from ASTM C33)
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
Determine the Fineness Modulus of the sand given its sieve analysis in the following table. (round to 2nd decimal place) Weight Retained Sieve (g) 3/8 in. 10 No.4 80 No.8 80 No.16 350 No.30 240 No.50 80 No.100 160
Q3. A 1200 g sample of Gravel in the SSD condition in air and weighed 770 g when immersed in water. Also, a 500 g sample of Sand in the SSD condition in air and weighed 300 g when immersed in water Calculate the BSG(SSD) of the sand and gravel 1) the BSG (SSD) of the Gravel * 1.2.791 2.4.71 3.3.703 4.2.50 2) the BSG (SSD) of the Sand * 1.2.221 2.3.590 3.2.500 4.3.232 Choose one answer and write the answer number for me
A 35 cc volume of core sampler was used in bulk density determination. The fresh soil in thesampler collected in the field weighed 83.5 g was oven dried. After 24 hours of oven drying thesample at 110oC, 20 grams of moisture were removed. Calculate the following: a. Bulk density b. Moisture content at weight basis and volume basis c. Percent pore space if the particle density is 2.63 g/cc d. Percent pore space filled
The sand obtained from a river are generally not suitable formediumfilter application due to its ineffective sizes. Therefore, the modification of this stock sand needs to be done in order to produce the desired filter sand. The sieve analysis of this stock sand was carried out and the results should be shown in your answers. Propose the sizes that should be eliminated during the modification process for a purpose of developing usable filter sand with an effective size and uniformity coefficient of 0.45 mm and 1.6, respectively.
A 1000g of sand has been soaked for at least 24hours prior to lab. After drying the sample to saturated surface dry condition, the samples were split into two and put in tare cans. Can1+sample weigh 800g and can2+sample weigh 300g. Can1+sample was used for determining the specific gravity, where volume of water displaced in flask is 320cc. Can2+sample was used for determining the oven-dry weight which resulted to 280g. If the weight of can 1 and 2 is 5g and 6g respectively, determine the Absorption capacity and specific gravity of sand.
p Y:l• %VY . A Assignment 1 classroom.google.com -> pdf.سجی جاب مب. -2020لت Dpت المرحلة الثالثة )2019-2020) Q1: The following are the results of a laboratory consolidation test on a soil specimen obtained from the field: dry mass of specimen = 128 gm, height of specimen at the beginning of the test = 2.54 cm, Gs = 2.75, and area of the specimen = 30.68 cm². Effective pressure, ớ(kN/m²) Final height of the specimen at the end of the consolidation (cm) 2.540 50 2.488 100 2.465 200 2.431 400 2.389 800 2.324 1600 2.225 3200 2.115 Required: Make necessary calculations and draw an e versus log ó curve. Q2: The following are the results of a laboratory consolidation test: Effective pressure, ớ(kN/m²) Void ratio (e) Remarks 25 0.93 Loading 50 0.92 100 0.88 200 0.81 400 0.69 800 0.61 1600 0.52 800 0.535 Unloading 400 0.555 200 0.57 Required: (1) Draw e- log ở graph and determine the preconsolidation pressure, oc. (2) Calculate the compression index and the ratio of C, / C.. (3) On the basis of…