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Maksim231197 [3]
4 years ago
12

During Atterberg limit tests in the soil mechanics laboratory, the students obtained the following results from a clayey soil. L

iquid limit tests: Number of blows, N Moisture content (%) 14 38.4 16 36.5 20 33.1 28 27.0 Plastic limit tests: Students conducted two trials and found that PL 5 17.2% for the first trial and PL 5 17.8% for the second trial. (a) Draw the flow curve and obtain the liquid limit. (b) What is the plasticity index of the soil? Use an average value of PL from the two plastic limit trails.
Engineering
1 answer:
m_a_m_a [10]4 years ago
6 0

<u>the liquid limit</u>

LL=-0.8078x*49.503

LL=-0.8078(25)+49.503

LL=29.308

<u>plasticity index of the soil</u>

PL=217.2%+17.8%/2

PL=17.5

PI=LL-PL

PI=29.308-17.5

PL=11.808

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great rest of Black History Month! :-)  

- Cutiepatutie ☺❀❤

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