A contractor was given a task which requires that the void ratio e, be less than 0.80. The base of the structure given to him was already compacted with water content and unit weight of the soil to be 14.6 % and 18.2 kN/m3respectively. He experimentally determined the specific gravity of the soil to be 2.81. Analyze the task of the contractor and determine if the results of his experiment would comply with the task given him

w=14.6%γ=18.2KNm3Gs=2.81so find dry unit weight:γdry=γ1+wγdry=18.2KNm31+0.146γdry=15.88KNm3

Answered: A contractor was given a task which…

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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Question

A contractor was given a task which requires that the void ratio e, be less than 0.80. The base of the structure given to him was already compacted with water content and unit weight of the soil to be 14.6 % and 18.2 kN/m³
respectively. He experimentally determined the specific gravity of the soil to be 2.81. Analyze the task of the contractor and determine if the results of his experiment would comply with the task given him

Expert Solution

Step 1

$w = 14.6 % γ = 18.2 \frac{K N}{m^{3}} G_{s} = 2.81 s o f i n d d r y u n i t w e i g h t : γ_{d r y} = \frac{γ}{1 + w} γ_{d r y} = \frac{18.2 \frac{K N}{m^{3}}}{1 + 0.146} γ_{d r y} = 15.88 \frac{K N}{m^{3}}$