The results of a standard Proctor compaction test on a silty sand are given in the following table. Table Q1: Data from standard Proctor compaction tests Trial No 3 4 5 1 6 Moisture contents (%) 5 8 10 13 16 19 Wet unit weight (kN/m³) | 18.4 20.0 20.9 | 21.6 | 21.2 20.5

The results of a standard Proctor compaction test on a silty sand are given in the following table. Table Q1: Data from standard Proctor compaction tests Trial No 3 4 5 1 6 Moisture contents (%) 5 8 10 13 16 19 Wet unit weight (kN/m³) | 18.4 20.0 20.9 | 21.6 | 21.2 20.5

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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The landfill is a site used for the disposal of waste materials. The landfill is a solid waste facility that is often known as a dumping ground. The image below shows a landfill site in Hawaii. Landfilling is the most ancient and common method used for the disposal of waste. For the landfill, a deep trench is constructed in an isolated place away from the city. The trench for landfills is designed properly after analyzing the total population and the waste generation per capita. The waste is dumped into the trench and after every layer of waste, a layer of soil is spread on the top of it.

Question

The results of a standard Proctor compaction test on a silty sand are given in the following table.
Table Q1: Data from standard Proctor compaction tests
Trial No
1
2
3
4
5
6
Moisture contents (%)
5
8
10
13
16
19
Wet unit weight (kN/m³) | 18.4 | 20.0 20.9 | 21.6 21.2 20.5

(b)
Given that the Specific gravity, G, = 2.7, determine:
(i) The void ratio, e, at the optimum moisture content.
(ii)
The degree of saturation, S, at the optimum moisture content.

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