Do the following:a) Calculate the percent retained and percent passing each sieve, and graph the results on a semi-log graph (you may use the attached chart, or graph in Excel and include with your submission). Then, characterize the gradation of the material.b) Calculate the values of D10, D30, D60, Cu, and Cc c) If the LL is 48 and the PL is 26, determine the USCS classification of the soil, and state its suitability for the purpose stated in the scenario. The table below presents the results from a sieve analysis performed on a sample of the top layer of soil. The sieve size is indicated in inches and the corresponding amount of soil retained is measured in grams.| Sieve Size (in.) | 1/2 | 3/8 | No. 4 | No. 8 | No. 16 | No. 30 | No. 40 | No. 50 | No. 100 | No. 200 | pan ||------------------|-----|-----|-------|-------|--------|--------|--------|--------|---------|---------|------|| Amount retained (g) | 0 | 0 | 21.6 | 39.5 | 77.6 | 102.6 | 89.1 | 95.6 | 90.6 | 60.4 | 33.3 |### Detailed Explanation:- **Sieve Sizes**: The sieve sizes range from 1/2 inch to "pan", which generally collects the finest particles. - **Amounts Retained**: The data shows varying amounts of soil retained by each sieve, with higher numbers generally indicating larger particle sizes. No soil was retained in the 1/2 and 3/8 inch sieves.Such analyses are crucial for understanding soil composition, which can influence agricultural and construction outcomes.

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Answered: Do the following: a) Calculate the…

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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Do the following:

a) Calculate the percent retained and percent passing each sieve, and graph the results on a semi-log graph (you may use the attached chart, or graph in Excel and include with your submission). Then, characterize the gradation of the material.

b) Calculate the values of D10, D30, D60, Cu, and Cc

c) If the LL is 48 and the PL is 26, determine the USCS classification of the soil, and state its suitability for the purpose stated in the scenario.

The table below presents the results from a sieve analysis performed on a sample of the top layer of soil. The sieve size is indicated in inches and the corresponding amount of soil retained is measured in grams.

| Sieve Size (in.) | 1/2 | 3/8 | No. 4 | No. 8 | No. 16 | No. 30 | No. 40 | No. 50 | No. 100 | No. 200 | pan |
|------------------|-----|-----|-------|-------|--------|--------|--------|--------|---------|---------|------|
| Amount retained (g) | 0 | 0 | 21.6 | 39.5 | 77.6 | 102.6 | 89.1 | 95.6 | 90.6 | 60.4 | 33.3 |

### Detailed Explanation:

- **Sieve Sizes**: The sieve sizes range from 1/2 inch to "pan", which generally collects the finest particles.

- **Amounts Retained**: The data shows varying amounts of soil retained by each sieve, with higher numbers generally indicating larger particle sizes. No soil was retained in the 1/2 and 3/8 inch sieves.

Such analyses are crucial for understanding soil composition, which can influence agricultural and construction outcomes.

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