Homework Help is Here – Start Your Trial Now!
Engineering
Civil Engineering
Answer no.3

Answer no.3

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question

Answer no.3

Try to answer in 30mins plsss 

1. For a compacted soil, specific gravity is 2.66, water content is 17% and dry unit weight is 90% of zero- air-void unit weight. a. Determine the zero-air-void unit weight. b. Determine the dru unit weight of the compacted soil. c. Determine the bulk unit weight of the soil. 2. A compacted soil with void ratio of 0.82 is required to construct an embankment dam. In the vicinity of the proposed dam, three borrow pits weere identified as having a suitable materials. The cost of purchasing the soil and the cost excavation are the same for each borrow pit. The only cost difference is transportation cost. The table below provides the void ratio and the trabsportation cost for each borrow pit. Borrow Pit Void Ratio Transportation cost per cubic meter P 0.70 P 1.10 P 0.85 A B с a. Compute the volume of the soil if taken from borrow pit C. b. Compute the transportation cost of the soil if taken borrow pit B. c. Which borrow pit would be most economical? 1.82 0.85 1.45 3. the following is the details for the backfill material in a vibroflotation project. D10 = 0.36 mm D20 = 0.52 mm D25 = 0.60 mm D50 = 1.42 mm D75 = 1.65 mm a. Find the suitability number. b. Determine the rating. c. Compute the sorting coefficient. 4. Sand cone equipment is used to perform a field density test on a compacted earth fill. Soil sample dug from test hole = 20.60 N Dry weight of soil sample = 17.92 N Ottawa sand used to fill the whole weight is 16.05 N and is known to have a density of 15.74 KN per cubic meter. a. Find the water content of the tested soil. b. Determine the in-place dry density of the soil. c. Compute the percentage of compaction if the dry unit weight at optimum water content is 18.10 kN per cubic meter.
Transcribed Image Text:1. For a compacted soil, specific gravity is 2.66, water content is 17% and dry unit weight is 90% of zero- air-void unit weight. a. Determine the zero-air-void unit weight. b. Determine the dru unit weight of the compacted soil. c. Determine the bulk unit weight of the soil. 2. A compacted soil with void ratio of 0.82 is required to construct an embankment dam. In the vicinity of the proposed dam, three borrow pits weere identified as having a suitable materials. The cost of purchasing the soil and the cost excavation are the same for each borrow pit. The only cost difference is transportation cost. The table below provides the void ratio and the trabsportation cost for each borrow pit. Borrow Pit Void Ratio Transportation cost per cubic meter P 0.70 P 1.10 P 0.85 A B с a. Compute the volume of the soil if taken from borrow pit C. b. Compute the transportation cost of the soil if taken borrow pit B. c. Which borrow pit would be most economical? 1.82 0.85 1.45 3. the following is the details for the backfill material in a vibroflotation project. D10 = 0.36 mm D20 = 0.52 mm D25 = 0.60 mm D50 = 1.42 mm D75 = 1.65 mm a. Find the suitability number. b. Determine the rating. c. Compute the sorting coefficient. 4. Sand cone equipment is used to perform a field density test on a compacted earth fill. Soil sample dug from test hole = 20.60 N Dry weight of soil sample = 17.92 N Ottawa sand used to fill the whole weight is 16.05 N and is known to have a density of 15.74 KN per cubic meter. a. Find the water content of the tested soil. b. Determine the in-place dry density of the soil. c. Compute the percentage of compaction if the dry unit weight at optimum water content is 18.10 kN per cubic meter.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Windows and doors
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Structural Analysis
Structural Analysis
Civil Engineering
ISBN:
9781337630931
Author:
KASSIMALI, Aslam.
Publisher:
Cengage,
Structural Analysis (10th Edition)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Sustainable Energy
Sustainable Energy
Civil Engineering
ISBN:
9781337551663
Author:
DUNLAP, Richard A.
Publisher:
Cengage,
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS