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Classify the following soils by USCS classification system. Percent finer than (sieve analysis) No. 200 Soil Liquid Limit Plasticity Limit Cu Ce No. 4 1 71 4 Non Plastic 3.4 2.6 -- 2 70 30 33 12

Classify the following soils by USCS classification system. Percent finer than (sieve analysis) No. 200 Soil Liquid Limit Plasticity Limit Cu Ce No. 4 1 71 4 Non Plastic 3.4 2.6 -- 2 70 30 33 12

Structural Analysis
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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Group Symbol Group Name Well-graded gravel Well-graded gravel with sand - Poorly graded gravel Poorly graded gravel with sand GW <15% sand - 215% sand - <15% sand - 215% sand GP GW-GM- Well-graded gravel with silt Well-graded gravel with silt and sand Well-graded gravel with clay (or silty clay) Well-graded gravel with clay and sand (or silty clay and sand) <15% sand 215% sand GW-GC <15% sand 215% sand GP-GM <15% sand 215% sand <15% sand 215% sand Poorly graded gravel with silt Poorly graded gravel with silt and sand - Poorly graded gravel with clay (or silty clay) Poorly graded gravel with clay and sand (or silty clay and sand) GP-GC GM Silty gravel Silty gravel with sand Clayey gravel Clayey gravel with sand Silty clayey gravel Silty clayey gravel with sand <15% sand 215% sand GC <15% sand 215% sand GC-GM <15% sand 215% sand SW <15% gravel - 215% gravel · <15% gravel - 215% gravel + Well-graded sand - Well-graded sand with gravel - Poorly graded sand Poorly graded sand with gravel SP SW-SM <15% gravel · 215% gravel · <15% gravel 215% gravel - Well-graded sand with silt - Well-graded sand with silt and gravel - Well-graded sand with clay (or silty clay) Well-graded sand with clay and gavel (or silty clay and gravel) SW-SC Poorly graded sand with silt + Poorly graded sand with silt and gravel - Poorly graded sand with clay (or silty clay) Poorly graded sand with clay and gravel (or silty clay and gravel) SP-SM <15% gravel 215% gravel · <15% gravel - 215% gravel - SP-SC SM <15% gravel 215% gravel - <15% gravel 215% gravel <15% gravel 215% gravel Silty sand -Silty sand with gravel Clayey sand Clayey sand with gravel Silty clayey sand Silty clayey sand with gravel SC SC-SM VVY VV
Transcribed Image Text:Group Symbol Group Name Well-graded gravel Well-graded gravel with sand - Poorly graded gravel Poorly graded gravel with sand GW <15% sand - 215% sand - <15% sand - 215% sand GP GW-GM- Well-graded gravel with silt Well-graded gravel with silt and sand Well-graded gravel with clay (or silty clay) Well-graded gravel with clay and sand (or silty clay and sand) <15% sand 215% sand GW-GC <15% sand 215% sand GP-GM <15% sand 215% sand <15% sand 215% sand Poorly graded gravel with silt Poorly graded gravel with silt and sand - Poorly graded gravel with clay (or silty clay) Poorly graded gravel with clay and sand (or silty clay and sand) GP-GC GM Silty gravel Silty gravel with sand Clayey gravel Clayey gravel with sand Silty clayey gravel Silty clayey gravel with sand <15% sand 215% sand GC <15% sand 215% sand GC-GM <15% sand 215% sand SW <15% gravel - 215% gravel · <15% gravel - 215% gravel + Well-graded sand - Well-graded sand with gravel - Poorly graded sand Poorly graded sand with gravel SP SW-SM <15% gravel · 215% gravel · <15% gravel 215% gravel - Well-graded sand with silt - Well-graded sand with silt and gravel - Well-graded sand with clay (or silty clay) Well-graded sand with clay and gavel (or silty clay and gravel) SW-SC Poorly graded sand with silt + Poorly graded sand with silt and gravel - Poorly graded sand with clay (or silty clay) Poorly graded sand with clay and gravel (or silty clay and gravel) SP-SM <15% gravel 215% gravel · <15% gravel - 215% gravel - SP-SC SM <15% gravel 215% gravel - <15% gravel 215% gravel <15% gravel 215% gravel Silty sand -Silty sand with gravel Clayey sand Clayey sand with gravel Silty clayey sand Silty clayey sand with gravel SC SC-SM VVY VV
Classify the following soils by USCS classification system. Percent finer than (sieve analysis) Liquid Limit Plasticity Limit Soil Cu Co No. 4 No. 200 1 71 4 Non Plastic 3.4 2.6 -- 2 70 30 33 12 Group Symbol Criteria for Assigning Group Symbols Gravels Clean Gravels C, 2 4 and 1 < C,< 3° C,< 4 and/or 1>C¸>3° GW More than 50% Less than 5% fines“ GP of coarse fraction Gravels with Fines PI< 4 or plots below “A" line (Figure 3.20) PI >7 and plots on or above “A" line (Figure 3.20) GM Coarse-Grained Soils retained on No. 4 More than 12% fines“ GC More than 50% of sieve retained on No. 200 Sands Cu2 6 and 1 < C<3° Cu< 6 and/or 1>C>3° Clean Sands SW sieve 50% or more of Less than 5% fines" SP coarse fraction Sands with Fines PI<4 or plots below “A" line (Figure 3.20) PI>7 and plots on or above “A" line (Figure 3.20) SM passes No. 4 sieve More than 12% fines»d SC PI >7 and plots on or above "A" line (Figure 3.20)° PI< 4 or plots below “A" line (Figure 3.20)° CL Inorganic Silts and Clays Liquid limit less than 50 ML Liquid limit-oven dried Liquid limit-not dried Fine-Grained Soils Organic < 0.75; see Figure 3.20; OL zone OL 50% or more passes PI plots on or above “A" line (Figure 3.20) PI plots below “A" line (Figure 3.20) CH No. 200 sieve Inorganic Silts and Clays Liquid limit 50 or more МН Liquid limit-oven dried Organic < 0.75; see Figure 3.20; OH zone ОН Liquid limit-not dried Highly Organic Soils Primarily organic matter, dark in color, and organic odor Pt "Gravels with 5 to 12% fine require dual symbols: GW-GM, GW-GC, GP-GM, GP-GC. Sands with 5 to 12% fines require dual symbols: SW-SM, SW-SC, SP-SM, SP-SC. (D30)² °Cu = : C = D10 D60 x D10 "If 4 < PI <7 and plots in the hatched area in Figure 3.16, use dual symbol GC-GM or SC-SM. "If 4 < PI <7 and plots in the hatched area in Figure 3.16, use dual symbol CL-ML.
Transcribed Image Text:Classify the following soils by USCS classification system. Percent finer than (sieve analysis) Liquid Limit Plasticity Limit Soil Cu Co No. 4 No. 200 1 71 4 Non Plastic 3.4 2.6 -- 2 70 30 33 12 Group Symbol Criteria for Assigning Group Symbols Gravels Clean Gravels C, 2 4 and 1 < C,< 3° C,< 4 and/or 1>C¸>3° GW More than 50% Less than 5% fines“ GP of coarse fraction Gravels with Fines PI< 4 or plots below “A" line (Figure 3.20) PI >7 and plots on or above “A" line (Figure 3.20) GM Coarse-Grained Soils retained on No. 4 More than 12% fines“ GC More than 50% of sieve retained on No. 200 Sands Cu2 6 and 1 < C<3° Cu< 6 and/or 1>C>3° Clean Sands SW sieve 50% or more of Less than 5% fines" SP coarse fraction Sands with Fines PI<4 or plots below “A" line (Figure 3.20) PI>7 and plots on or above “A" line (Figure 3.20) SM passes No. 4 sieve More than 12% fines»d SC PI >7 and plots on or above "A" line (Figure 3.20)° PI< 4 or plots below “A" line (Figure 3.20)° CL Inorganic Silts and Clays Liquid limit less than 50 ML Liquid limit-oven dried Liquid limit-not dried Fine-Grained Soils Organic < 0.75; see Figure 3.20; OL zone OL 50% or more passes PI plots on or above “A" line (Figure 3.20) PI plots below “A" line (Figure 3.20) CH No. 200 sieve Inorganic Silts and Clays Liquid limit 50 or more МН Liquid limit-oven dried Organic < 0.75; see Figure 3.20; OH zone ОН Liquid limit-not dried Highly Organic Soils Primarily organic matter, dark in color, and organic odor Pt "Gravels with 5 to 12% fine require dual symbols: GW-GM, GW-GC, GP-GM, GP-GC. Sands with 5 to 12% fines require dual symbols: SW-SM, SW-SC, SP-SM, SP-SC. (D30)² °Cu = : C = D10 D60 x D10 "If 4 < PI <7 and plots in the hatched area in Figure 3.16, use dual symbol GC-GM or SC-SM. "If 4 < PI <7 and plots in the hatched area in Figure 3.16, use dual symbol CL-ML.
Expert Solution
Step 1

For the Soil 1,

The percentage finer than sieve number 4 is 71%.

The percentage finer than sieve number 200 is 4%.

The soil is non plastic.

The coefficient of uniformity is Cu = 3.4

The coefficient of curvature is Cc=2.6

For Soil B,

The percentage finer than sieve number 4 is 70%.

The percentage finer than sieve number 200 is 30%.

The liquid limit of the soil is 33%.

The plasticity limit of the soil is 12.

 

 

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