Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Transcribed Image Text:**Problem Set**
2. **Prove**:
\( n = \frac{e}{1+e} \) and \( e = \frac{n}{1-n} \)
based on definitions of void ratio and porosity.
3. **Classify the following soils according to the Unified Soil Classification System**:
Group symbols and typical names.
| Soil | Percent passing U.S. sieve | LL | PL |
|------|-----------------------------|----|----|
| | No. 4 | No. 10 | No. 20 | No. 40 | No. 60 | No. 100 | No. 200 |
| A | 95 | 86 | 65 | 52 | 46 | 38 | 25 | 38 | 22 |
| B | 100 | 98 | 95 | 88 | 82 | 75 | 65 | 65 | 58 |
**Explanation of the Table**:
- This table presents the sieve analysis of two soil samples, A and B, with corresponding percentages passing through standard U.S. sieves (No. 4, No. 10, No. 20, etc.).
- It also includes the Atterberg limits: Liquid Limit (LL) and Plastic Limit (PL) for each soil sample.
- These parameters are essential for classifying the soil types according to the Unified Soil Classification System (USCS).
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