The following table shows the results obtained from sieve analysis of a certain soil mass. Compute and complete the entry for the last three columns of the table. Mass of Soil Retained (g) Cumulative Mass Retained Above Each Mass of Mass of Percent Finer (%) Sieve Diameter Empty Sieve + Soil Sieve (g) Retained (g) Number (mm) Sieve (g) 4 4.750 516 614 10 2.000 488 679 20 0.850 402 569 30 0.600 400 505 386 40 60 0.450 479 0.250 348 426 80 0.180 346 360 100 0.150 341 342 200 0.075 340 341 Pan 368 368 1. Plot the grains size distribution curve (gradation curve) in a semi- log scale. 2. Estimate the possible characteristic (clay, loam, well graded sand, poorly graded sand, or somewhat in between of the soil characteristics of 4 types of soil stated above) of the obtained gradation curve by comparing it to the typical curves shown in Slide No. 14 of the Lecture Notes 1. 3. Estimate D60, Dio and D30. Calculate the uniformity coefficient (C.) and coefficient of gradation (C.). 4. Characterize the soil using the descriptions indicated in the last slide of Lecture Notes 1.

The following table shows the results obtained from sieve analysis of a certain soil mass. Compute and complete the entry for the last three columns of the table. Mass of Soil Retained (g) Cumulative Mass Retained Above Each Mass of Mass of Percent Finer (%) Sieve Diameter Empty Sieve + Soil Sieve (g) Retained (g) Number (mm) Sieve (g) 4 4.750 516 614 10 2.000 488 679 20 0.850 402 569 30 0.600 400 505 386 40 60 0.450 479 0.250 348 426 80 0.180 346 360 100 0.150 341 342 200 0.075 340 341 Pan 368 368 1. Plot the grains size distribution curve (gradation curve) in a semi- log scale. 2. Estimate the possible characteristic (clay, loam, well graded sand, poorly graded sand, or somewhat in between of the soil characteristics of 4 types of soil stated above) of the obtained gradation curve by comparing it to the typical curves shown in Slide No. 14 of the Lecture Notes 1. 3. Estimate D60, Dio and D30. Calculate the uniformity coefficient (C.) and coefficient of gradation (C.). 4. Characterize the soil using the descriptions indicated in the last slide of Lecture Notes 1.

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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