Answer no.4Try 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 vicinityof the proposed dam, three borrow pits weere identified as having a suitable materials. The cost ofpurchasing the soil and the cost excavation are the same for each borrow pit. The only cost difference istransportation cost. The table below provides the void ratio and the trabsportation cost for each borrowpit.Borrow Pit Void Ratio Transportation cost per cubic meterP 0.70P 1.10P 0.85ABсa. 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?1.820.851.453. the following is the details for the backfill material in a vibroflotation project.D10 = 0.36 mmD20 = 0.52 mmD25 = 0.60 mmD50 = 1.42 mmD75 = 1.65 mma. 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 NDry weight of soil sample = 17.92 NOttawa sand used to fill the whole weight is 16.05 N and is known to have a density of 15.74 KNper 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 kNper cubic meter.

Given, Wfield = 20.60 lb Wd,field = 17.92 lb ρsand = 15.74 kN/m3

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.

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.

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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