Please solve each problem 2.1 to 2.6 2.1 A soil specimen has a volume of 0.05 m and a mass of 87.5 kg. Given: w = 15%,G, = 2.68. Determinea. Void ratiob. Porosityc. Dry unit weightd. Moist unit weighte. Degree of saturation2.2 The saturated unit weight of a soil is 20.1 kN/m' at a moisture content of 22%.Determine (a) the dry unit weight and (b) the specific gravity of soil solids, G,.2.3 The moist unit weight of a soil is 119.5 lb/ft'. For a moisture content of 12% andG, = 2.65, calculate:a. Void ratiob. Porosityc. Degree of saturationd. Dry unit weight2.4 A saturated soil specimen has w = 36% and y, = 85.43 lb/ft'. Determine:a. Void ratiob. Porosityc. Specific gravity of soil solidsd. Saturated unit weight (in lb/ft')2.5 For a granular soil, given: y 116,64 lb/ft', D, = 82%, w 8%, and G, = 2.65.For this soil, if emin = 0.44, what would be emux? What would be the dry unit weightin the loosest state?2.6 The laboratory test results of six soils are given in the following table. Classify thesoils by the AASHTO Soil Classification System and give the group indices.Sieve Analysis-Percent PassingSoilSieve No.AвC DEF1009541009595100100108080909494408261547976867652200655586433NPLiquid limitPlastic limit423835382625NP262528*NP = nonplastic

Given,Volume of soil (V)=0.05 m3mass of soil (M)=87.5 kgwater content (w)=15%w=0.15Gs=2.68Now,Bulk…

Answered: 2.1 A soil specimen has a volume of…

2.1 A soil specimen has a volume of 0.05 m² and a mass of 87.5 kg. Given: w = 15%, G, = 2.68. Determine a. Void ratio b. Porosity c. Dry unit weight d. Moist unit weight e. Degree of saturation

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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Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard surveying techniques and instrumentation or may be taken from existing maps, engineering plans, drawings, or records. Data gathered on the site includes coordinates of points, bearings, and distances between points. The data are noticed and noted through conventional surveying procedures, like a traverse or layout measurement series and it can be either digital or non-digital. The maps and plans are inclusive of boundaries, divisions, and other components, and these features are shown with coordinate values, the lengths, offset distance, and bearings between them.

Question

100%

Please solve each problem 2.1 to 2.6

2.1 A soil specimen has a volume of 0.05 m and a mass of 87.5 kg. Given: w = 15%,
G, = 2.68. Determine
a. Void ratio
b. Porosity
c. Dry unit weight
d. Moist unit weight
e. Degree of saturation
2.2 The saturated unit weight of a soil is 20.1 kN/m' at a moisture content of 22%.
Determine (a) the dry unit weight and (b) the specific gravity of soil solids, G,.
2.3 The moist unit weight of a soil is 119.5 lb/ft'. For a moisture content of 12% and
G, = 2.65, calculate:
a. Void ratio
b. Porosity
c. Degree of saturation
d. Dry unit weight
2.4 A saturated soil specimen has w = 36% and y, = 85.43 lb/ft'. Determine:
a. Void ratio
b. Porosity
c. Specific gravity of soil solids
d. Saturated unit weight (in lb/ft')
2.5 For a granular soil, given: y 116,64 lb/ft', D, = 82%, w 8%, and G, = 2.65.
For this soil, if emin = 0.44, what would be emux? What would be the dry unit weight
in the loosest state?
2.6 The laboratory test results of six soils are given in the following table. Classify the
soils by the AASHTO Soil Classification System and give the group indices.
Sieve Analysis-Percent Passing
Soil
Sieve No.
A
в
C DE
F
100
95
4
100
95
95
100
100
10
80
80
90
94
94
40
82
61
54
79
76
86
76
52
200
65
55
8
64
33
NP
Liquid limit
Plastic limit
42
38
35
38
26
25
NP
26
25
28
*NP = nonplastic

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