**Sieve Analysis of Coarse Aggregate**A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design. The resulting mass retained per sieve is shown in the table below.| Sieve Size | Amount Retained (lb) ||------------|----------------------|| 3 in. | 0 || 2 in. | 2.2 || 1.5 in. | 3.7 || 1 in. | 15.9 || ¾ in. | 12.0 || ½ in. | 13.5 || 3/8 in. | 26.7 || No. 4 | 10.1 || Pan | 1.3 |### Questions:a) What is the “maximum” size of the aggregate?b) What is the “nominal maximum” size of the aggregate?c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (Use the plot provided on the next page, or recreate your own using Excel)**Instructions:**- To find the maximum size of the aggregate, identify the largest sieve size with non-zero mass retained.- The nominal maximum size is typically the largest sieve that retains some aggregate (usually more than 10% of the total sample).- Plotting the Grain Size Distribution involves calculating cumulative percentages of aggregate passing each sieve and graphing this on a semi-logarithmic scale. This helps visualize the distribution and uniformity of the aggregate sizes.

The purpose of the grain size analysis test is to estimate the proportion of each size of grain that…

A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design and the resulting mass retained per sieve is shown in the table below. Sieve Size 3 in. 2 in. 1.5 in. 1 in. ¾ in. ½ in. 3/8 in. No. 4 Pan Amount Retained (lb) 0 2.2 3.7 15.9 12.0 13.5 26.7 10.1 1.3 a) What is the "maximum" size of the aggregate? b) What is the "nominal maximum" size of the aggregate? c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (either use the plot provided on the next page, or recreate your on using excel)

A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design and the resulting mass retained per sieve is shown in the table below. Sieve Size 3 in. 2 in. 1.5 in. 1 in. ¾ in. ½ in. 3/8 in. No. 4 Pan Amount Retained (lb) 0 2.2 3.7 15.9 12.0 13.5 26.7 10.1 1.3 a) What is the "maximum" size of the aggregate? b) What is the "nominal maximum" size of the aggregate? c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (either use the plot provided on the next page, or recreate your on using excel)

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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**Sieve Analysis of Coarse Aggregate**

A sieve analysis test was performed on a sample of coarse aggregate used in a concrete mix design. The resulting mass retained per sieve is shown in the table below.

| Sieve Size | Amount Retained (lb) |
|------------|----------------------|
| 3 in. | 0 |
| 2 in. | 2.2 |
| 1.5 in. | 3.7 |
| 1 in. | 15.9 |
| ¾ in. | 12.0 |
| ½ in. | 13.5 |
| 3/8 in. | 26.7 |
| No. 4 | 10.1 |
| Pan | 1.3 |

### Questions:

a) What is the “maximum” size of the aggregate?

b) What is the “nominal maximum” size of the aggregate?

c) Complete the table below and plot the Grain Size Distribution curve on a semi-log scale. (Use the plot provided on the next page, or recreate your own using Excel)

**Instructions:**

- To find the maximum size of the aggregate, identify the largest sieve size with non-zero mass retained.
- The nominal maximum size is typically the largest sieve that retains some aggregate (usually more than 10% of the total sample).
- Plotting the Grain Size Distribution involves calculating cumulative percentages of aggregate passing each sieve and graphing this on a semi-logarithmic scale. This helps visualize the distribution and uniformity of the aggregate sizes.

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