Afine-grainedsoilisfoundtohavealiquidlimitof70%andaplasticlimitof38%. (a) On the plasticity chart for the Unified Soil Classification System, what soil type is this? (b) On the plasticity chart for the AASHTO classification system, what soil type is this?
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Afine-grainedsoilisfoundtohavealiquidlimitof70%andaplasticlimitof38%. (a) On the plasticity chart for the Unified Soil Classification System, what soil type is this?
(b) On the plasticity chart for the AASHTO classification system, what soil type is this?
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- Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 86% ; No. 40- 56% and No. 200- 8%. No Plasticity. Classify the soil by AASHT0 classification and give also the group index.Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 100% ; No. 40- 78% and No. 200- 82%. The liquid limit is 32 and Plasticity index is 12. Classify the soil by AASHT0 classification and give also the group index.Classify the following soils in Table Q2 (b) by the AASHTO classification systemand give the group indices.Table Q2 (b)
- The following soil as specified by the AASHTO System has the following results:Percent finer than No. 10 sieve . . . . . . . . . . . . . 90Percent finer than No. 40 sieve . . . . . . . . . . . . . . 76Percent finer than No. 200 sieve . . . . . . . . . . .. . 34Liquid limit = 37Plasticity index = 12Calculate the partial group index for the soil that belongs to groups A-2-6.Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 80% ; No. 40- 68% and No. 200- 48%. The liquid limit is 30 and Plasticity index is 11. Classify the soil by AASHT0 classification and give also the group index.a. A-6 (2) b. A-7-5(8)c. A-6 (9) d. A-7-6(8)Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 90% ; No. 40- 74% and No. 200- 58%. The liquid limit is 38 and Plasticity index is 12. Classify the soil by AASHT0 classification and give also the group index. a. A-7-5(8) b. A-6 (5) c. A-6 (9) d. A-7-6(8)
- From the particle size distribution curve, about 61% of the oil is finer than 0.074 mm in diameter. The liquid limit and plastic limit of minus No 40 fraction of the soils are as follows: LL =26, PL= 20. Classify the soil using the USCS.a. CL-MLb. CL-MLc. SP-SCd. CHA soil falls to the AASHTO classification of "A-5". The resulting group index of the soil was 13. If the percent passing the No. 200 sieve is 52.19%, the liquid limit is 53, what is te possible value of the soil's plastic limit.Grain size distributions curves are given for 9 soils in Figures 1, 2 and 3. The LiquidLimit and Plastic Limit for the fine-grained portion of these soils are given in Table 1.a) Classify the soils according to ASTM/USCS (i.e., give both the Group Symboland Group Name).b) It is proposed that Soil 3 (Figure 2) be used for a highway subgrade. What is theAASHTO soil classification for this soil (see classification table on the last page ofthis assignment)? What is this soil's general rating as a subgrade?
- Soil Mechanics Based on the sieve analysis a soil has % finer for the following sieves: No. 10- 90% ; No. 40- 48% and No. 200- 22%. The liquid limit and Plasticity index is 5. Classify the soil by AASHT0 classification and give also the group index. a. A-2-7(1) b. A-2-6 (0) c. A-3 (0) d. A-1-b(0)A soil sample having no particles larger than the No. 4 sieve is classified as a sandy silt, ML, by the Unified Soil Classification System ( LL = 29% ; PI = 5% silt particles comprise 70% of the sample, sand 15%, and clay 15%). What is the probable soil classification in the AASHTO system? In the U.S. Department of Agriculture textural system?1. Classify the following soils using USCS givegroup symbol and group name.a) A 55% of soil sample retained in sieve no. 4and 89% retained on sieve no. 200. The soilsample has a liquid limit = 28% and plasticLimit = 18% Cu = 4.2, Cc = 1.4 2. A saturated soil has the followingcharacteristics:Initial Volume = 25 cm3Final Volume = 16 cm3Mass of wet soil = 45 gMass of dry soil = 31 ga) Determine the Shrinkage Limitb) Determine the Shrinkage Ratioc) Determine the Specific Gravity of the soil