Classify the soil to be used as a highway subgrade material using AASHTO classification system; Liquid limit for soil passing #40 sieve was determine to be 35% and plasticity index was 20% Sieve No. Size opening (mm) % Finer No. 4 4.75 100 No. 10 2.00 93 No. 20 0.850 87 No. 40 0.425 81 No. 60 0.250 63 No. 140 0.140 49 No. 200 0.075 32

Classify the soil to be used as a highway subgrade material using AASHTO classification system; Liquid limit for soil passing #40 sieve was determine to be 35% and plasticity index was 20% Sieve No. Size opening (mm) % Finer No. 4 4.75 100 No. 10 2.00 93 No. 20 0.850 87 No. 40 0.425 81 No. 60 0.250 63 No. 140 0.140 49 No. 200 0.075 32

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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Classify this soil according to Unified System. Please provide the Group Symbol and the Group Name. How appropriate is this soil as a subgrade material for roadways? Size (mm) 4.75 (No.4) 2 (No.10) 0.425 (No.40) 0.075 (No.200) LL PL % Passing 85 75 34 14 30 14
Percent finer by weight 20 c) Classify the soil using Unified Soil Classification System as shown rext page. b) Compute the value of coefficient of curvature Cc. a) Compute the value of coefficient of uniformity Cy- 000 (unu) ans unB 10 100 1000 ... .. .. ... 09 .... .. 08 ... ... .... 06 Coerse 000 GRAVEL INVS FINES From the figure shown in the arain-size distribution curve. Problem: Por A 7-6, PI >L. 30 Fur A-7-5, PI SLL 30 Siky or clayey pavd nd sand piars Excalem to good pavel, and sand Ocaenl subgende
• Problem 1- . Classify the soil to be used as a highway subgrade material using AASHTO classification system; Sieve No. No. 4 No. 10 No. 20 No. 40 No. 60 No. 140 No. 200 Size opening (mm) 4.75 2.00 0.850 0.425 0.250 0.140 0.075 % Finer 100 92 84 69 50 40 37 Liquid limit for soil passing # 40 sieve was determine to be 40% and plasticity index was 20%.
The soil profile at a site has been investigated and the typical soil profile in the 100 feet has been determined to be: Depth Shear Wave Soil Description "N" PI (feet) Velocity 0- 30 Clay 85 30 - 50 Silty Sand 35 50 - 100 Sand and Gravel 50 What is the soil profile type according to 1997 UBC. Format of answer: Sx Sb O Sa O sd O Se O Sc OSf asap please!!! thank you o o
3. Three boreholes (BH) along a proposed road intersection are shown in Figure la and b. The soils in each borehole were classified using ASTM-CS. Sketch a soil profile along the center line. BH ВН 2 BH 3 100 m 100 m (a) Plan El: 100.2 El: 99.5 E1: 102.7 SP ML CH 10 SP-SM 15 - GP-GM ВН 2 ВН З 20 ВН 1 (b) Borehole soil Figure 1 Depth (m)
Q3/ Classify the following soils into Unified System: Sieve No Diameter (mm) % Passing Soil A 3/8" 9.5 100 4 4.75 100 25 0.599 100 52 0.295 95 100 0.152 69 200 0.076 56 0.03 43 0.01 40 0.005 38 0.002 31 L.L 55 P.L 25 Knowing that D60=9.5, D10=0.599, D30=2.411
up to 120221 (Compatibility Mode] - Word References Mailings Review View Help Nitro Pro V Tell me what you want to do A A Aa E E-E EE T T 2 T AaBbCcl AaBbCcI AABBCCI A A、ッ、A 前,, Emphasis T Heading 1 I Normal Paragraph Styles 1. Q. The following results were obtained from a CBR test on a compacted subgrade soil. Calculate the CBR value for the soil. Do you recommend to use it as subbase? Illustrate your answer? Penetration (mm) Load (KN) 0.625 0.15 1.25 0.18 1.875 0.40 2.5 0.73 3.75 1.32 1.80 7.5 2.34 10 2.53 12.5 2.91 Standard Loads: 2.5 mm .... .13.36 KN 5.0 mm 19.96 KN tes) lenovo
C. 22. Which of the following does not affect friction between soil particles? a. Mineralogy b. Particle shape Void ratio d. None 23. As a geotechnical engineer, you are requested to assess the shear strength of a clayey soil after 50 years under an embankment. What lab test would you recommend from the following? a. UU b. CD C. UD d. UC
The soil profile at a site has been investigated and the typical soil profile in the 100 feet has been determined to be: Depth Shear Wave Soil Description "N" PI (feet) Velocity 0- 30 Clay 85 30 - 50 Silty Sand 35 50 - 100 Sand and Gravel 50 What is the soil profile type according to 1997 UBC. Format of answer: Sx Sb Sa Sd Se Sc Sf
A Classify the soil samples shown below using AASHTO and USCS systems: Sieve No. 4 10 20 40 60 100 200 LL PL A - 68.5 - 36.1 21.9 34.1 16.5 Soil, % passing B . 79.5 69.0 - 54.3 53.5 31.6 C 69.3 59.1 48.3 38.5 28.4 19.8 4.5 Non-plastic (NP)
dys.mu MSKÜ-LMS 016 ŞB: 1 ÖRGÜN Soil Mechanics Mühendislik Fakültesi Mac Atterberg limits of a soil sample are given: LL:55% and PL:25%. Give the name of the soil typle considering the chart given below? Remember PI=LL-PL 60 U-line PI - 0.9 (LL -8) 50 Z 40 CH or OH A-line PI0.73 (LL - 20) 30 CL OH 20 or OL MH CL- ML 10 ML& OL 10 20 30 40 50 60 70 80 90 100 Liquid limit (%) O a. CL or OL O b. CH OR OH O c. OH or ML O d. GL or ML O e. M ail E AR .ill lenovo Plasticity index (%)
GEOTECHNICAL ENGINEERING For a vibroflotation project, the following backfill material specifications must be satisfied. Determine the suitability number, D25 and D30 Sorting Coefficient = 2 Uniformity Coefficient = 8 %3D Coefficient of Gradation = 0.60 %3D D10 = 0.20 D75 D20 = 0 26 mm Dso = 0 80 mm D30 - D25 = 0 22 mm 1. INPUT THE VALUE OF SUITABILITY NUMBER IN 2 DECIMAL PLACES 2 INPUT THE VALUE OF D25 IN MM AND IN 4 DECIMAL PLACES 3. INPUT THE VALUE OF D30 IN MM AND IN 4 DECIMAL PLACES