Determine plasticity index and classify soil using plasticity chart of 1-4 soils
Determine plasticity index and classify soil using plasticity chart of 1-4 soils Plastic Limit 15 29...
Problem 3 - Soil Classification (15 pts) For the following soils, classify each using the USCS classification. Plasticity %passing #4 sieve %passing #200 sieve Group Symbol 100 95 Soil clay silt sand gravel Sample A 12 83 5 0 B 4 25 665 C 4 25 71 D5 59 360 E 18 49 303 95 29 Liquid Limit 66. 3 31.4 36 60. 9 49 19.9 6 7.6 23 100 29 1 100 97 64 67 |
Soils Mechanics Assignment 3 1. In a liquid limit test on a fine-grained soil, using the Casagrande apparatus, the following results were recorded: Test # 2 Number of blows 40 30 23 Container number c19 c10 c20 Wet soil + container 93.49 92.5 92.3 87.5 Dry soil + container 90.76 90.53 89.36 85.95 Container mass 84.16 86.1 83.12 82.79 dry soil moisture loss Moisture content, w% If the plastic limit on the same soil was found to be 25% determine...
Problem 2 (25 points) The sieve analysis of three soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Soil C c Sieve analysis - Percent finer No.4 No. 10 No. 40 No. 200 70 65 55 36 7162 4 8 11 Atterberg tests Liquid limit Plastic limit C 33 21 32 16 2 4.8 2.9 (a) Classify Soil 1 by the USCS with the group name. (b) Classify Soil 2...
stem. Give group symbol and group name. 5.7 Classify the following soils using the Unified soil classification system. Give the group symbols and the group names Percent passing Sieve size E A C No, 4 94 98 100 100 100 No. 10 63 86 100 100 100 No. 20 21 50 98 100 100 No. 40 10 28 93 99 94 No. 60 7 95 18 88 82 No. 100 14 90 66 8.5 ON 2 29 d or o...
In a liquid limit test on a fine-grained soil, using the Casagrande apparatus, the following results were recorded:Test #1234Number of blows50362415Container numberJ11F12C20C2Wet soil + container90929191Dry soil + container79828387Container mass82.0081.0083.0082.00dry soilmoisture lossMoisture content, w%If the plastic limit on the same soil was found to be 25%, determine the liquid limit and plasticity index of the soil.Fill the table and draw the graph in a blank sheet and upload it in the next box
11. The condition of the soil at which the plasticity index is equal to 0. a) Highly plastic Medium plastic Slightly plastic Non-plastic 12. It an Astecksglimits use for scaling the natural water content of soil sample to the limits. It can be the ratio of the difference between the water content and plastic limit and plasticity index a) Group Index b) Activity Index Liquidity Index d) Sensitivity Index 13. Determine the natural moisture content in percent of a soil...
CIVL 311 Soil Mechanics Lab HWE2 Problem 2.1 The grain size distribution, liquid limit, and plastic limit for several soils are shown below. • Determine the USCS group symbol and group name for soils through G. • Determine the AASHTO group classification and group index for soils through G. (The #10 sleve has an opening size of 2mm.) • Rank the four soils through G in order of best to worst highway subgrade. Which of the following USCS soils would...
please do a and b neat and clear Problem 5 (3 points) The sieve analysis of two soils and the liquid and plastic limits of the fraction passing through the No. 40 sieve are given below. Classify the soils by the AASHTO classification system and give the group index for each soil. Soil 1 2 Liquid limit Sieve analysis-Percent finer No.10 No. 40 No. 200 85 55 45 94 80 63 28 40 Plasticity index 20 21 b. Determine the...
15. Which of the following is an Atterberg limit? Liquid limit Plastic limit Shrinkage limit All of the above 16. Effective size of soil particles is denoted by (a) D10. (b) D20. (c) D30. (d) D60. 17. A given volume of soil in natural occurrence consists of (a) solid particles only. (b) void spaces occupied by air and/or water. (c) solid particles and void spaces. (d) solid particles and void spaces occupied by air and/or water 18. Which of the...
Problem No. 4: Using the reported undrained shear strengths at liquid limit and plastic limit, derive a relationship between the compression index Cc and plasticity index Pl. Assume that the ratio of undrained shear strength to vertical effective stress, is 0.3. Compare the result with the data presented in Fig. 1 ..63. 5.0.00 Cur P1/385 (n-117. r2 0.448. s.D. o.os11 1.4 Ce Cur O Mayne, 1980 1.2O Nakase, et ol., 1988 Been, et ol., 1987 A AWesley, I988 o oF...