Question
Asked Nov 9, 2019
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You want to build a 400 m2 house. But before that, you want to increase the ground level by 50 cm. How much soil and water would you need if you compact the soil at optimum water content. How much soil and water can you save if you compact the soil to 95% degree of optimum and What is the appropriate machine to use to compact fine-grained soil?

A standard proctor test is carried out giving the following results:
19.5
Compaction Curve
Saturation Line
OMC-2 %
19.0
ОМС
O OMC+2%
18.5
18.0
17.5
17.0
17 18 19
16
15
13
14
12
11
10
8 9
7
Gravimetric Water Content, o (%)
(kN/m2)
Dry Unit Weight, Ydry
O
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A standard proctor test is carried out giving the following results: 19.5 Compaction Curve Saturation Line OMC-2 % 19.0 ОМС O OMC+2% 18.5 18.0 17.5 17.0 17 18 19 16 15 13 14 12 11 10 8 9 7 Gravimetric Water Content, o (%) (kN/m2) Dry Unit Weight, Ydry O

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Expert Answer

Step 1

 

Given: area of house= 400 m2

Result of the standard proctor test is shown below plotting moisture content on x axis and dry density on y axis.

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A standard proctor test is carried out giving the following results: 19.5 Compaction Curve - -Saturation Line 19.0 OOMC-2% OMC O OMC+2% 18.5 18.0 17.5 17.0 17 18 19 16 15 13 14 10 11 12 7 8 9 Gravimetric Water Content, o (%) Dry Unit Weight, Yary (kN/m2)

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Step 2

after analysing the plotted curve given we get the following information:

optimum moisture content= 12.5

maximum dry unit weight= 18.75 KN/cubic meter

Step 3

As we know dry density and bul...

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V a 1 w

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